first commit

Marlin/.gitignore

+*.o
+applet/
+*~
+*.orig
+*.rej

Marlin/Marlin/Boards/boards.txt

+##############################################################
+
+Generation_Series.name=Gen6 & Gen6 Deluxe 
+Generation_Series.upload.protocol=stk500
+Generation_Series.upload.maximum_size=63488
+Generation_Series.upload.speed=38400
+Generation_Series.bootloader.low_fuses=0xFF
+Generation_Series.bootloader.high_fuses=0xDC
+Generation_Series.bootloader.extended_fuses=0xFD
+Generation_Series.bootloader.path=atmega644p
+Generation_Series.bootloader.file=ATmegaBOOT_644P.hex
+Generation_Series.bootloader.unlock_bits=0x3F
+Generation_Series.bootloader.lock_bits=0x0F
+Generation_Series.build.mcu=atmega644p
+Generation_Series.build.f_cpu=16000000L
+Generation_Series.build.core=arduino
+
+
+##############################################################
+
+
+Sanguinololu.name=Sanguinololu 1.2 and above
+Sanguinololu.upload.protocol=stk500
+Sanguinololu.upload.maximum_size=63488
+Sanguinololu.upload.speed=38400
+Sanguinololu.bootloader.low_fuses=0xFF
+Sanguinololu.bootloader.high_fuses=0xDC
+Sanguinololu.bootloader.extended_fuses=0xFD
+Sanguinololu.bootloader.path=atmega644p
+Sanguinololu.bootloader.file=ATmegaBOOT_644P.hex
+Sanguinololu.bootloader.unlock_bits=0x3F
+Sanguinololu.bootloader.lock_bits=0x0F
+Sanguinololu.build.mcu=atmega644p
+Sanguinololu.build.f_cpu=16000000L
+Sanguinololu.build.core=arduino

Marlin/Marlin/Boards/bootloaders/atmega644p/ATmegaBOOT.c

+/**********************************************************/
+/* Serial Bootloader for Atmel megaAVR Controllers        */
+/*                                                        */
+/* tested with ATmega644 and ATmega644P                   */
+/* should work with other mega's, see code for details    */
+/*                                                        */
+/* ATmegaBOOT.c                                           */
+/*                                                        */
+/* 20090131: Added 324P support from Alex Leone           */
+/*           Marius Kintel                                */
+/* 20080915: applied ADABoot mods for Sanguino 644P       */
+/*           Brian Riley                                  */
+/* 20080711: hacked for Sanguino by Zach Smith            */
+/*           and Justin Day                               */
+/* 20070626: hacked for Arduino Diecimila (which auto-    */
+/*           resets when a USB connection is made to it)  */
+/*           by D. Mellis                                 */
+/* 20060802: hacked for Arduino by D. Cuartielles         */
+/*           based on a previous hack by D. Mellis        */
+/*           and D. Cuartielles                           */
+/*                                                        */
+/* Monitor and debug functions were added to the original */
+/* code by Dr. Erik Lins, chip45.com. (See below)         */
+/*                                                        */
+/* Thanks to Karl Pitrich for fixing a bootloader pin     */
+/* problem and more informative LED blinking!             */
+/*                                                        */
+/* For the latest version see:                            */
+/* http://www.chip45.com/                                 */
+/*                                                        */
+/* ------------------------------------------------------ */
+/*                                                        */
+/* based on stk500boot.c                                  */
+/* Copyright (c) 2003, Jason P. Kyle                      */
+/* All rights reserved.                                   */
+/* see avr1.org for original file and information         */
+/*                                                        */
+/* This program is free software; you can redistribute it */
+/* and/or modify it under the terms of the GNU General    */
+/* Public License as published by the Free Software       */
+/* Foundation; either version 2 of the License, or        */
+/* (at your option) any later version.                    */
+/*                                                        */
+/* This program is distributed in the hope that it will   */
+/* be useful, but WITHOUT ANY WARRANTY; without even the  */
+/* implied warranty of MERCHANTABILITY or FITNESS FOR A   */
+/* PARTICULAR PURPOSE.  See the GNU General Public        */
+/* License for more details.                              */
+/*                                                        */
+/* You should have received a copy of the GNU General     */
+/* Public License along with this program; if not, write  */
+/* to the Free Software Foundation, Inc.,                 */
+/* 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA */
+/*                                                        */
+/* Licence can be viewed at                               */
+/* http://www.fsf.org/licenses/gpl.txt                    */
+/*                                                        */
+/* Target = Atmel AVR m128,m64,m32,m16,m8,m162,m163,m169, */
+/* m8515,m8535. ATmega161 has a very small boot block so  */
+/* isn't supported.                                       */
+/*                                                        */
+/* Tested with m168                                       */
+/**********************************************************/
+
+/* $Id$ */
+
+
+/* some includes */
+#include <inttypes.h>
+#include <avr/io.h>
+#include <avr/pgmspace.h>
+#include <avr/interrupt.h>
+#include <avr/wdt.h>
+#include <avr/boot.h>
+
+#ifdef ADABOOT
+    #define NUM_LED_FLASHES 3
+    #define ADABOOT_VER	1
+#endif
+
+
+/* 20070707: hacked by David A. Mellis - after this many errors give up and launch application */
+#define MAX_ERROR_COUNT 5
+
+/* set the UART baud rate */
+/* 20080711: hack by Zach Hoeken */
+#define BAUD_RATE   38400
+
+/* SW_MAJOR and MINOR needs to be updated from time to time to avoid warning message from AVR Studio */
+/* never allow AVR Studio to do an update !!!! */
+#define HW_VER	 0x02
+#define SW_MAJOR 0x01
+#define SW_MINOR 0x10
+
+/* onboard LED is used to indicate, that the bootloader was entered (3x flashing) */
+/* if monitor functions are included, LED goes on after monitor was entered */
+#define LED_DDR  DDRB
+#define LED_PORT PORTB
+#define LED_PIN  PINB
+#define LED      PINB0
+
+/* define various device id's */
+/* manufacturer byte is always the same */
+#define SIG1	0x1E	// Yep, Atmel is the only manufacturer of AVR micros.  Single source :(
+#if defined(__AVR_ATmega644P__)
+#define SIG2	0x96
+#define SIG3	0x0A
+#elif defined(__AVR_ATmega644__)
+#define SIG2	0x96
+#define SIG3	0x09
+#elif defined(__AVR_ATmega324P__)
+#define SIG2	0x95
+#define SIG3	0x08
+#endif
+#define PAGE_SIZE		0x080U   //128 words
+#define PAGE_SIZE_BYTES	0x100U   //256 bytes
+
+/* function prototypes */
+void putch(char);
+char getch(void);
+void getNch(uint8_t);
+void byte_response(uint8_t);
+void nothing_response(void);
+char gethex(void);
+void puthex(char);
+void flash_led(uint8_t);
+
+/* some variables */
+union address_union
+{
+    uint16_t word;
+    uint8_t  byte[2];
+} address;
+
+union length_union
+{
+    uint16_t word;
+    uint8_t  byte[2];
+} length;
+
+struct flags_struct
+{
+    unsigned eeprom : 1;
+    unsigned rampz  : 1;
+} flags;
+
+uint8_t buff[256];
+
+uint8_t error_count = 0;
+uint8_t sreg;
+
+void (*app_start)(void) = 0x0000;
+
+/* main program starts here */
+int main(void)
+{
+    uint8_t ch,ch2;
+    uint16_t w;
+	uint16_t i;
+	
+    asm volatile("nop\n\t");
+
+#ifdef ADABOOT		// BBR/LF 10/8/2007 & 9/13/2008
+    ch = MCUSR;
+    MCUSR = 0;
+
+    WDTCSR |= _BV(WDCE) | _BV(WDE);
+    WDTCSR = 0;
+
+    // Check if the WDT was used to reset, in which case we dont bootload and skip straight to the code. woot.
+    if (! (ch &  _BV(EXTRF))) // if its a not an external reset...
+      app_start();  // skip bootloader
+#endif
+
+
+	//initialize our serial port.
+    UBRR0L = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
+    UBRR0H = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
+    UCSR0B = (1<<RXEN0) | (1<<TXEN0);
+    UCSR0C = (1<<UCSZ00) | (1<<UCSZ01);
+
+    /* Enable internal pull-up resistor on pin D0 (RX), in order
+    to supress line noise that prevents the bootloader from
+    timing out (DAM: 20070509) */
+    DDRD &= ~_BV(PIND0);
+    PORTD |= _BV(PIND0);
+
+    /* set LED pin as output */
+    LED_DDR |= _BV(LED);
+
+	    /* flash onboard LED to signal entering of bootloader                   */
+	    /* ADABOOT will do two series of flashes. first 4 - signifying ADABOOT  */
+	    /* then a pause and another flash series signifying ADABOOT sub-version */
+
+
+	flash_led(NUM_LED_FLASHES);
+
+	#ifdef	ADABOOT
+		flash_led(ADABOOT_VER);		// BBR 9/13/2008
+	#endif 
+
+    /* forever loop */
+    for (;;)
+	{
+		/* get character from UART */
+		ch = getch();
+
+		/* A bunch of if...else if... gives smaller code than switch...case ! */
+
+		/* Hello is anyone home ? */ 
+		if(ch=='0')
+		    nothing_response();
+
+
+		/* Request programmer ID */
+		/* Not using PROGMEM string due to boot block in m128 being beyond 64kB boundry  */
+		/* Would need to selectively manipulate RAMPZ, and it's only 9 characters anyway so who cares.  */
+		else if(ch=='1')
+		{
+		    if (getch() == ' ')
+			{
+				putch(0x14);
+				putch('A');
+				putch('V');
+				putch('R');
+				putch(' ');
+				putch('I');
+				putch('S');
+				putch('P');
+				putch(0x10);
+		    }
+			else
+			{
+				if (++error_count == MAX_ERROR_COUNT)
+				    app_start();
+		    }
+		}
+
+
+		/* AVR ISP/STK500 board commands  DON'T CARE so default nothing_response */
+		else if(ch=='@')
+		{
+		    ch2 = getch();
+		    if (ch2 > 0x85)
+				getch();
+		    nothing_response();
+		}
+
+
+		/* AVR ISP/STK500 board requests */
+		else if(ch=='A')
+		{
+		    ch2 = getch();
+		    if(ch2 == 0x80)
+				byte_response(HW_VER);		// Hardware version
+		    else if(ch2==0x81)
+				byte_response(SW_MAJOR);	// Software major version
+		    else if(ch2==0x82)
+				byte_response(SW_MINOR);	// Software minor version
+		    else if(ch2==0x98)
+				byte_response(0x03);		// Unknown but seems to be required by avr studio 3.56
+		    else
+				byte_response(0x00);		// Covers various unnecessary responses we don't care about
+		}
+
+
+		/* Device Parameters  DON'T CARE, DEVICE IS FIXED  */
+		else if(ch=='B')
+		{
+		    getNch(20);
+		    nothing_response();
+		}
+
+
+		/* Parallel programming stuff  DON'T CARE  */
+		else if(ch=='E')
+		{
+		    getNch(5);
+		    nothing_response();
+		}
+
+
+		/* Enter programming mode  */
+		else if(ch=='P')
+		{
+		    nothing_response();
+		}
+
+
+		/* Leave programming mode  */
+		else if(ch=='Q')
+		{
+		    nothing_response();
+#ifdef ADABOOT		
+			// autoreset via watchdog (sneaky!) BBR/LF 9/13/2008
+	  		WDTCSR = _BV(WDE);
+	  		while (1); // 16 ms
+#endif		
+		}
+
+
+		/* Erase device, don't care as we will erase one page at a time anyway.  */
+		else if(ch=='R')
+		{
+		    nothing_response();
+		}
+
+
+		/* Set address, little endian. EEPROM in bytes, FLASH in words  */
+		/* Perhaps extra address bytes may be added in future to support > 128kB FLASH.  */
+		/* This might explain why little endian was used here, big endian used everywhere else.  */
+		else if(ch=='U')
+		{
+		    address.byte[0] = getch();
+		    address.byte[1] = getch();
+		    nothing_response();
+		}
+
+
+		/* Universal SPI programming command, disabled.  Would be used for fuses and lock bits.  */
+		else if(ch=='V')
+		{
+		    getNch(4);
+		    byte_response(0x00);
+		}
+
+
+		/* Write memory, length is big endian and is in bytes  */
+		else if(ch=='d')
+		{
+		    length.byte[1] = getch();
+		    length.byte[0] = getch();
+	
+		    flags.eeprom = 0;
+		    if (getch() == 'E')
+				flags.eeprom = 1;
+
+			for (i=0; i<PAGE_SIZE; i++)
+				buff[i] = 0;
+		
+		    for (w = 0; w < length.word; w++)
+			{
+				// Store data in buffer, can't keep up with serial data stream whilst programming pages
+				buff[w] = getch();
+		    }
+	
+		    if (getch() == ' ')
+			{
+				if (flags.eeprom)
+				{		                
+					//Write to EEPROM one byte at a time
+				    for(w=0;w<length.word;w++)
+					{
+						while(EECR & (1<<EEPE));
+					
+						EEAR = (uint16_t)(void *)address.word;
+						EEDR = buff[w];
+						EECR |= (1<<EEMPE);
+						EECR |= (1<<EEPE);
+
+						address.word++;
+				    }			
+				}
+				else
+				{
+					//address * 2 -> byte location
+				    address.word = address.word << 1;
+			    
+					//Even up an odd number of bytes
+					if ((length.byte[0] & 0x01))
+						length.word++;
+				
+					// HACKME: EEPE used to be EEWE
+				    //Wait for previous EEPROM writes to complete
+					//while(bit_is_set(EECR,EEPE));
+					while(EECR & (1<<EEPE));
+				
+				    asm volatile(
+						 "clr	r17		\n\t"	//page_word_count
+						 "lds	r30,address	\n\t"	//Address of FLASH location (in bytes)
+						 "lds	r31,address+1	\n\t"
+						 "ldi	r28,lo8(buff)	\n\t"	//Start of buffer array in RAM
+						 "ldi	r29,hi8(buff)	\n\t"
+						 "lds	r24,length	\n\t"	//Length of data to be written (in bytes)
+						 "lds	r25,length+1	\n\t"
+						 "length_loop:		\n\t"	//Main loop, repeat for number of words in block							 							 
+						 "cpi	r17,0x00	\n\t"	//If page_word_count=0 then erase page
+						 "brne	no_page_erase	\n\t"						 
+						 "wait_spm1:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm1       \n\t"
+						 "ldi	r16,0x03	\n\t"	//Erase page pointed to by Z
+						 "sts	%0,r16		\n\t"
+						 "spm			\n\t"							 
+						 "wait_spm2:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm2       \n\t"									 
+
+						 "ldi	r16,0x11	\n\t"	//Re-enable RWW section
+						 "sts	%0,r16		\n\t"						 			 
+						 "spm			\n\t"
+						 "no_page_erase:		\n\t"							 
+						 "ld	r0,Y+		\n\t"	//Write 2 bytes into page buffer
+						 "ld	r1,Y+		\n\t"							 
+							 
+						 "wait_spm3:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm3       \n\t"
+						 "ldi	r16,0x01	\n\t"	//Load r0,r1 into FLASH page buffer
+						 "sts	%0,r16		\n\t"
+						 "spm			\n\t"
+							 
+						 "inc	r17		\n\t"	//page_word_count++
+						 "cpi r17,%1	        \n\t"
+						 "brlo	same_page	\n\t"	//Still same page in FLASH
+						 "write_page:		\n\t"
+						 "clr	r17		\n\t"	//New page, write current one first
+						 "wait_spm4:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm4       \n\t"						 							 
+						 "ldi	r16,0x05	\n\t"	//Write page pointed to by Z
+						 "sts	%0,r16		\n\t"
+						 "spm			\n\t"
+						 "wait_spm5:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm5       \n\t"									 
+						 "ldi	r16,0x11	\n\t"	//Re-enable RWW section
+						 "sts	%0,r16		\n\t"						 			 
+						 "spm			\n\t"					 		 
+						 "same_page:		\n\t"							 
+						 "adiw	r30,2		\n\t"	//Next word in FLASH
+						 "sbiw	r24,2		\n\t"	//length-2
+						 "breq	final_write	\n\t"	//Finished
+						 "rjmp	length_loop	\n\t"
+						 "final_write:		\n\t"
+						 "cpi	r17,0		\n\t"
+						 "breq	block_done	\n\t"
+						 "adiw	r24,2		\n\t"	//length+2, fool above check on length after short page write
+						 "rjmp	write_page	\n\t"
+						 "block_done:		\n\t"
+						 "clr	__zero_reg__	\n\t"	//restore zero register
+						 : "=m" (SPMCSR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31"
+
+						 );
+				}
+				putch(0x14);
+				putch(0x10);
+		    }
+			else
+			{
+				if (++error_count == MAX_ERROR_COUNT)
+				    app_start();
+		    }		
+		}
+    
+		/* Read memory block mode, length is big endian.  */
+		else if(ch=='t')
+		{
+			length.byte[1] = getch();
+			length.byte[0] = getch();
+
+			if (getch() == 'E')
+				flags.eeprom = 1;
+			else
+			{
+				flags.eeprom = 0;
+				address.word = address.word << 1;	        // address * 2 -> byte location
+			}
+
+			// Command terminator
+			if (getch() == ' ')
+			{
+				putch(0x14);
+				for (w=0; w<length.word; w++)
+				{
+					// Can handle odd and even lengths okay
+				    if (flags.eeprom) 
+					{
+						// Byte access EEPROM read
+						while(EECR & (1<<EEPE));
+						EEAR = (uint16_t)(void *)address.word;
+						EECR |= (1<<EERE);
+						putch(EEDR);
+
+						address.word++;
+				    }
+				    else
+					{
+						if (!flags.rampz)
+							putch(pgm_read_byte_near(address.word));
+
+						address.word++;
+				    }
+				}
+				putch(0x10);
+		    }
+		}
+
+
+		/* Get device signature bytes  */
+		else if(ch=='u')
+		{
+			if (getch() == ' ')
+			{
+				putch(0x14);
+				putch(SIG1);
+				putch(SIG2);
+				putch(SIG3);
+				putch(0x10);
+			}
+			else
+			{
+				if (++error_count == MAX_ERROR_COUNT)
+					app_start();
+			}
+		}
+
+
+		/* Read oscillator calibration byte */
+		else if(ch=='v')
+			byte_response(0x00);
+
+		else if (++error_count == MAX_ERROR_COUNT)
+		    app_start();
+
+	}
+    /* end of forever loop */
+}
+
+
+char gethex(void)
+{
+    char ah,al;
+
+    ah = getch();
+	putch(ah);
+    al = getch();
+	putch(al);
+    
+	if(ah >= 'a')
+		ah = ah - 'a' + 0x0a;
+	else if(ah >= '0')
+		ah -= '0';
+    if(al >= 'a')
+		al = al - 'a' + 0x0a;
+	else if(al >= '0')
+		al -= '0';
+
+    return (ah << 4) + al;
+}
+
+
+void puthex(char ch)
+{
+    char ah,al;
+
+    ah = (ch & 0xf0) >> 4;
+	if(ah >= 0x0a)
+		ah = ah - 0x0a + 'a';
+	else
+		ah += '0';
+
+    al = (ch & 0x0f);
+	if(al >= 0x0a)
+		al = al - 0x0a + 'a';
+	else
+		al += '0';
+
+    putch(ah);
+    putch(al);
+}
+
+
+void putch(char ch)
+{
+    while (!(UCSR0A & _BV(UDRE0)));
+    UDR0 = ch;
+}
+
+
+
+
+char getch(void)
+{
+    uint32_t count = 0;
+
+#ifdef ADABOOT
+	LED_PORT &= ~_BV(LED);          // toggle LED to show activity - BBR/LF 10/3/2007 & 9/13/2008
+#endif
+
+    while(!(UCSR0A & _BV(RXC0)))
+	{
+    	/* 20060803 DojoCorp:: Addon coming from the previous Bootloader*/               
+    	/* HACKME:: here is a good place to count times*/
+    	count++;
+    	if (count > MAX_TIME_COUNT)
+    		app_start();
+     }
+
+#ifdef ADABOOT
+	LED_PORT |= _BV(LED);          // toggle LED to show activity - BBR/LF 10/3/2007 & 9/13/2008
+#endif
+
+    return UDR0;
+}
+
+
+void getNch(uint8_t count)
+{
+    uint8_t i;
+    for(i=0;i<count;i++)
+	{
+		while(!(UCSR0A & _BV(RXC0)));
+		UDR0;
+    }
+}
+
+
+void byte_response(uint8_t val)
+{
+    if (getch() == ' ')
+	{
+		putch(0x14);
+		putch(val);
+		putch(0x10);
+    }
+	else
+	{
+		if (++error_count == MAX_ERROR_COUNT)
+		    app_start();
+    }
+}
+
+
+void nothing_response(void)
+{
+    if (getch() == ' ')
+	{
+		putch(0x14);
+		putch(0x10);
+    }
+	else
+	{
+		if (++error_count == MAX_ERROR_COUNT)
+		    app_start();
+    }
+}
+
+#ifdef ADABOOT
+
+void flash_led(uint8_t count)
+{
+    /* flash onboard LED count times to signal entering of bootloader */
+	/* l needs to be volatile or the delay loops below might get      */
+	/* optimized away if compiling with optimizations (DAM).          */
+	
+    volatile uint32_t l;
+
+    if (count == 0) {
+      count = ADABOOT;
+    }
+    
+
+	int8_t i;
+    for (i = 0; i < count; ++i) {
+		LED_PORT |= _BV(LED);					// LED on
+		for(l = 0; l < (F_CPU / 1000); ++l);		// delay NGvalue was 1000 for both loops - BBR
+		LED_PORT &= ~_BV(LED);					// LED off
+		for(l = 0; l < (F_CPU / 250); ++l);		// delay asymmteric for ADA BOOT BBR 
+	}
+
+	for(l = 0; l < (F_CPU / 100); ++l);		    // pause ADA BOOT BBR 
+		
+}
+
+#else
+
+void flash_led(uint8_t count)
+{
+    /* flash onboard LED three times to signal entering of bootloader */
+	/* l needs to be volatile or the delay loops below might get
+	optimized away if compiling with optimizations (DAM). */
+    volatile uint32_t l;
+
+    if (count == 0) {
+      count = 3;
+    }
+    
+	int8_t i;
+    for (i = 0; i < count; ++i) {
+		LED_PORT |= _BV(LED);
+		for(l = 0; l < (F_CPU / 1000); ++l);
+		LED_PORT &= ~_BV(LED);
+		for(l = 0; l < (F_CPU / 1000); ++l); 
+	}
+		
+}
+
+
+#endif
+
+
+/* end of file ATmegaBOOT.c */

Marlin/Marlin/Boards/bootloaders/atmega644p/ATmegaBOOT_324P.hex

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Marlin/Marlin/Boards/bootloaders/atmega644p/ATmegaBOOT_644.hex

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Marlin/Marlin/Boards/bootloaders/atmega644p/ATmegaBOOT_644P.hex

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+:00000001FF

Marlin/Marlin/Boards/bootloaders/atmega644p/Makefile

+# Makefile for ATmegaBOOT
+# E.Lins, 18.7.2005
+# $Id$
+
+
+# program name should not be changed...
+PROGRAM    = ATmegaBOOT_644P
+
+# enter the target CPU frequency
+AVR_FREQ   = 16000000L
+
+MCU_TARGET = atmega644p
+LDSECTION  = --section-start=.text=0xF800
+
+OBJ        = $(PROGRAM).o
+OPTIMIZE   = -O2
+
+DEFS       = 
+LIBS       = 
+
+CC         = avr-gcc
+
+
+# Override is only needed by avr-lib build system.
+
+override CFLAGS        = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -DF_CPU=$(AVR_FREQ) $(DEFS)
+override LDFLAGS       = -Wl,$(LDSECTION)
+#override LDFLAGS       = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)
+
+OBJCOPY        = avr-objcopy
+OBJDUMP        = avr-objdump
+
+all: CFLAGS += '-DMAX_TIME_COUNT=8000000L>>1' -DADABOOT
+all: $(PROGRAM).hex
+
+$(PROGRAM).hex: $(PROGRAM).elf
+	$(OBJCOPY) -j .text -j .data -O ihex $< $@
+	
+$(PROGRAM).elf: $(OBJ)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+	
+$(OBJ): ATmegaBOOT.c
+	avr-gcc $(CFLAGS) $(LDFLAGS) -c -g -O2 -Wall -mmcu=$(MCU_TARGET) ATmegaBOOT.c -o $(PROGRAM).o
+
+%.lst: %.elf
+	$(OBJDUMP) -h -S $< > $@
+
+%.srec: %.elf
+	$(OBJCOPY) -j .text -j .data -O srec $< $@
+
+%.bin: %.elf
+	$(OBJCOPY) -j .text -j .data -O binary $< $@
+
+clean:
+	rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex
+	

Marlin/Marlin/Boards/bootloaders/atmega644p/README.txt

+Note: This bootloader support ATmega644, ATmega644P and ATmega324P.
+To build, set PROGRAM and MCU_TARGET in the Makefile according to your target device.
+

Marlin/Marlin/Boards/cores/arduino/Arduino.h

+    #include "WProgram.h"

Marlin/Marlin/Boards/cores/arduino/Copy of wiring.h

+/*
+  wiring.h - Partial implementation of the Wiring API for the ATmega8.
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id$
+*/
+
+#ifndef Wiring_h
+#define Wiring_h
+
+#include <avr/io.h>
+#include <stdlib.h>
+#include "binary.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#define HIGH 0x1
+#define LOW  0x0
+
+#define INPUT 0x0
+#define OUTPUT 0x1
+
+#define true 0x1
+#define false 0x0
+
+#define PI 3.1415926535897932384626433832795
+#define HALF_PI 1.5707963267948966192313216916398
+#define TWO_PI 6.283185307179586476925286766559
+#define DEG_TO_RAD 0.017453292519943295769236907684886
+#define RAD_TO_DEG 57.295779513082320876798154814105
+
+#define SERIAL  0x0
+#define DISPLAY 0x1
+
+#define LSBFIRST 0
+#define MSBFIRST 1
+
+#define CHANGE 1
+#define FALLING 2
+#define RISING 3
+
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#define INTERNAL1V1 2
+#define INTERNAL2V56 3
+#else
+#define INTERNAL 3
+#endif
+#define DEFAULT 1
+#define EXTERNAL 0
+
+// undefine stdlib's abs if encountered
+#ifdef abs
+#undef abs
+#endif
+
+#define min(a,b) ((a)<(b)?(a):(b))
+#define max(a,b) ((a)>(b)?(a):(b))
+#define abs(x) ((x)>0?(x):-(x))
+#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
+#define round(x)     ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
+#define radians(deg) ((deg)*DEG_TO_RAD)
+#define degrees(rad) ((rad)*RAD_TO_DEG)
+#define sq(x) ((x)*(x))
+
+#define interrupts() sei()
+#define noInterrupts() cli()
+
+#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L )
+#define clockCyclesToMicroseconds(a) ( ((a) * 1000L) / (F_CPU / 1000L) )
+#define microsecondsToClockCycles(a) ( ((a) * (F_CPU / 1000L)) / 1000L )
+
+#define lowByte(w) ((uint8_t) ((w) & 0xff))
+#define highByte(w) ((uint8_t) ((w) >> 8))
+
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitSet(value, bit) ((value) |= (1UL << (bit)))
+#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
+#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
+
+
+typedef unsigned int word;
+
+#define bit(b) (1UL << (b))
+
+typedef uint8_t boolean;
+typedef uint8_t byte;
+
+void init(void);
+
+void pinMode(uint8_t, uint8_t);
+void digitalWrite(uint8_t, uint8_t);
+int digitalRead(uint8_t);
+int analogRead(uint8_t);
+void analogReference(uint8_t mode);
+void analogWrite(uint8_t, int);
+
+unsigned long millis(void);
+unsigned long micros(void);
+void delay(unsigned long);
+void delayMicroseconds(unsigned int us);
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout);
+
+void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
+uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder);
+
+void attachInterrupt(uint8_t, void (*)(void), int mode);
+void detachInterrupt(uint8_t);
+
+void setup(void);
+void loop(void);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif

Marlin/Marlin/Boards/cores/arduino/HardwareSerial.cpp

+/*
+  HardwareSerial.cpp - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+  
+  Modified 23 November 2006 by David A. Mellis
+  Modified 28 September 2010 by Mark Sproul
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include "wiring.h"
+#include "wiring_private.h"
+
+// this next line disables the entire HardwareSerial.cpp, 
+// this is so I can support Attiny series and any other chip without a uart
+#if defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H)
+
+#include "HardwareSerial.h"
+
+// Define constants and variables for buffering incoming serial data.  We're
+// using a ring buffer (I think), in which rx_buffer_head is the index of the
+// location to which to write the next incoming character and rx_buffer_tail
+// is the index of the location from which to read.
+#define RX_BUFFER_SIZE 128
+
+struct ring_buffer
+{
+  unsigned char buffer[RX_BUFFER_SIZE];
+  int head;
+  int tail;
+};
+
+ring_buffer rx_buffer  =  { { 0 }, 0, 0 };
+
+inline void store_char(unsigned char c, ring_buffer *rx_buffer)
+{
+  int i = (unsigned int)(rx_buffer->head + 1) & (RX_BUFFER_SIZE -1);
+
+  // if we should be storing the received character into the location
+  // just before the tail (meaning that the head would advance to the
+  // current location of the tail), we're about to overflow the buffer
+  // and so we don't write the character or advance the head.
+  if (i != rx_buffer->tail) {
+    rx_buffer->buffer[rx_buffer->head] = c;
+    rx_buffer->head = i;
+  }
+}
+
+// fixed by Mark Sproul this is on the 644/644p
+//SIGNAL(SIG_USART_RECV)
+SIGNAL(USART0_RX_vect)
+{
+  unsigned char c  =  UDR0;
+  store_char(c, &rx_buffer);
+}
+
+
+// Constructors ////////////////////////////////////////////////////////////////
+
+HardwareSerial::HardwareSerial(ring_buffer *rx_buffer,
+  volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
+  volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
+  volatile uint8_t *udr,
+  uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x)
+{
+  _rx_buffer = rx_buffer;
+  _ubrrh = ubrrh;
+  _ubrrl = ubrrl;
+  _ucsra = ucsra;
+  _ucsrb = ucsrb;
+  _udr = udr;
+  _rxen = rxen;
+  _txen = txen;
+  _rxcie = rxcie;
+  _udre = udre;
+  _u2x = u2x;
+}
+
+// Public Methods //////////////////////////////////////////////////////////////
+
+void HardwareSerial::begin(long baud)
+{
+  uint16_t baud_setting;
+  bool use_u2x = true;
+
+#if F_CPU == 16000000UL
+  // hardcoded exception for compatibility with the bootloader shipped
+  // with the Duemilanove and previous boards and the firmware on the 8U2
+  // on the Uno and Mega 2560.
+  if (baud == 57600) {
+    use_u2x = false;
+  }
+#endif
+  
+  if (use_u2x) {
+    *_ucsra = 1 << _u2x;
+    baud_setting = (F_CPU / 4 / baud - 1) / 2;
+  } else {
+    *_ucsra = 0;
+    baud_setting = (F_CPU / 8 / baud - 1) / 2;
+  }
+
+  // assign the baud_setting, a.k.a. ubbr (USART Baud Rate Register)
+  *_ubrrh = baud_setting >> 8;
+  *_ubrrl = baud_setting;
+
+  sbi(*_ucsrb, _rxen);
+  sbi(*_ucsrb, _txen);
+  sbi(*_ucsrb, _rxcie);
+}
+
+void HardwareSerial::end()
+{
+  cbi(*_ucsrb, _rxen);
+  cbi(*_ucsrb, _txen);
+  cbi(*_ucsrb, _rxcie);  
+}
+
+int HardwareSerial::available(void)
+{
+  return (unsigned int)(RX_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) & (RX_BUFFER_SIZE-1);
+}
+
+int HardwareSerial::peek(void)
+{
+  if (_rx_buffer->head == _rx_buffer->tail) {
+    return -1;
+  } else {
+    return _rx_buffer->buffer[_rx_buffer->tail];
+  }
+}
+
+int HardwareSerial::read(void)
+{
+  // if the head isn't ahead of the tail, we don't have any characters
+  if (_rx_buffer->head == _rx_buffer->tail) {
+    return -1;
+  } else {
+    unsigned char c = _rx_buffer->buffer[_rx_buffer->tail];
+    _rx_buffer->tail = (unsigned int)(_rx_buffer->tail + 1) & (RX_BUFFER_SIZE-1);
+    return c;
+  }
+}
+
+void HardwareSerial::flush()
+{
+  // don't reverse this or there may be problems if the RX interrupt
+  // occurs after reading the value of rx_buffer_head but before writing
+  // the value to rx_buffer_tail; the previous value of rx_buffer_head
+  // may be written to rx_buffer_tail, making it appear as if the buffer
+  // don't reverse this or there may be problems if the RX interrupt
+  // occurs after reading the value of rx_buffer_head but before writing
+  // the value to rx_buffer_tail; the previous value of rx_buffer_head
+  // may be written to rx_buffer_tail, making it appear as if the buffer
+  // were full, not empty.
+  _rx_buffer->head = _rx_buffer->tail;
+}
+
+//
+// Drakelive  2012-09-04
+//
+#if ARDUINO >= 100 
+	size_t  HardwareSerial::write(uint8_t c)
+	{
+	  while (!((*_ucsra) & (1 << _udre)))
+	    ;
+
+	  *_udr = c;
+	}
+#else
+	void HardwareSerial::write(uint8_t c)
+	{
+	  while (!((*_ucsra) & (1 << _udre)))
+		 ;
+
+	  *_udr = c;
+	}        
+#endif
+
+// Drakelive  2012-09-04
+
+// Preinstantiate Objects //////////////////////////////////////////////////////
+HardwareSerial Serial(&rx_buffer, &UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UDR0, RXEN0, TXEN0, RXCIE0, UDRE0, U2X0);
+
+#endif // whole file
+

Marlin/Marlin/Boards/cores/arduino/HardwareSerial.h

+/*
+  HardwareSerial.h - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+  Modified 28 September 2010 by Mark Sproul
+*/
+
+#ifndef HardwareSerial_h
+#define HardwareSerial_h
+
+#include <inttypes.h>
+
+#include "Stream.h"
+
+struct ring_buffer;
+
+class HardwareSerial : public Stream
+{
+  private:
+    ring_buffer *_rx_buffer;
+    volatile uint8_t *_ubrrh;
+    volatile uint8_t *_ubrrl;
+    volatile uint8_t *_ucsra;
+    volatile uint8_t *_ucsrb;
+    volatile uint8_t *_udr;
+    uint8_t _rxen;
+    uint8_t _txen;
+    uint8_t _rxcie;
+    uint8_t _udre;
+    uint8_t _u2x;
+  public:
+    HardwareSerial(ring_buffer *rx_buffer,
+      volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
+      volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
+      volatile uint8_t *udr,
+      uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x);
+    void begin(long);
+    void end();
+    virtual int available(void);
+    virtual int peek(void);
+    virtual int read(void);
+    virtual void flush(void);
+    
+    //
+    // Drakelive  2012-09-04
+    //
+    #if ARDUINO >= 100 
+        virtual size_t write(uint8_t);
+    #else
+        virtual void write(uint8_t);
+    #endif
+     
+    // Drakelive  2012-09-04
+
+    using Print::write; // pull in write(str) and write(buf, size) from Print
+};
+
+#if defined(UBRRH) || defined(UBRR0H)
+  extern HardwareSerial Serial;
+#elif defined(USBCON)
+  #include "usb_api.h"
+#endif
+#if defined(UBRR1H)
+  extern HardwareSerial Serial1;
+#endif
+#if defined(UBRR2H)
+  extern HardwareSerial Serial2;
+#endif
+#if defined(UBRR3H)
+  extern HardwareSerial Serial3;
+#endif
+
+#endif

Marlin/Marlin/Boards/cores/arduino/Print.cpp

+/*
+ Print.cpp - Base class that provides print() and println()
+ Copyright (c) 2008 David A. Mellis.  All right reserved.
+ 
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ 
+ Modified 23 November 2006 by David A. Mellis
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include "wiring.h"
+
+#include "Print.h"
+
+// Public Methods //////////////////////////////////////////////////////////////
+
+/* default implementation: may be overridden */
+void Print::write(const char *str)
+{
+  while (*str)
+    write(*str++);
+}
+
+/* default implementation: may be overridden */
+void Print::write(const uint8_t *buffer, size_t size)
+{
+  while (size--)
+    write(*buffer++);
+}
+
+void Print::print(const String &s)
+{
+  for (int i = 0; i < s.length(); i++) {
+    write(s[i]);
+  }
+}
+
+void Print::print(const char str[])
+{
+  write(str);
+}
+
+void Print::print(char c, int base)
+{
+  print((long) c, base);
+}
+
+void Print::print(unsigned char b, int base)
+{
+  print((unsigned long) b, base);
+}
+
+void Print::print(int n, int base)
+{
+  print((long) n, base);
+}
+
+void Print::print(unsigned int n, int base)
+{
+  print((unsigned long) n, base);
+}
+
+void Print::print(long n, int base)
+{
+  if (base == 0) {
+    write(n);
+  } else if (base == 10) {
+    if (n < 0) {
+      print('-');
+      n = -n;
+    }
+    printNumber(n, 10);
+  } else {
+    printNumber(n, base);
+  }
+}
+
+void Print::print(unsigned long n, int base)
+{
+  if (base == 0) write(n);
+  else printNumber(n, base);
+}
+
+void Print::print(double n, int digits)
+{
+  printFloat(n, digits);
+}
+
+void Print::println(void)
+{
+  print('\r');
+  print('\n');  
+}
+
+void Print::println(const String &s)
+{
+  print(s);
+  println();
+}
+
+void Print::println(const char c[])
+{
+  print(c);
+  println();
+}
+
+void Print::println(char c, int base)
+{
+  print(c, base);
+  println();
+}
+
+void Print::println(unsigned char b, int base)
+{
+  print(b, base);
+  println();
+}
+
+void Print::println(int n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void Print::println(unsigned int n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void Print::println(long n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void Print::println(unsigned long n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void Print::println(double n, int digits)
+{
+  print(n, digits);
+  println();
+}
+
+// Private Methods /////////////////////////////////////////////////////////////
+
+void Print::printNumber(unsigned long n, uint8_t base)
+{
+  unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars. 
+  unsigned long i = 0;
+
+  if (n == 0) {
+    print('0');
+    return;
+  } 
+
+  while (n > 0) {
+    buf[i++] = n % base;
+    n /= base;
+  }
+
+  for (; i > 0; i--)
+    print((char) (buf[i - 1] < 10 ?
+      '0' + buf[i - 1] :
+      'A' + buf[i - 1] - 10));
+}
+
+void Print::printFloat(double number, uint8_t digits) 
+{ 
+  // Handle negative numbers
+  if (number < 0.0)
+  {
+     print('-');
+     number = -number;
+  }
+
+  // Round correctly so that print(1.999, 2) prints as "2.00"
+  double rounding = 0.5;
+  for (uint8_t i=0; i<digits; ++i)
+    rounding /= 10.0;
+  
+  number += rounding;
+
+  // Extract the integer part of the number and print it
+  unsigned long int_part = (unsigned long)number;
+  double remainder = number - (double)int_part;
+  print(int_part);
+
+  // Print the decimal point, but only if there are digits beyond
+  if (digits > 0)
+    print("."); 
+
+  // Extract digits from the remainder one at a time
+  while (digits-- > 0)
+  {
+    remainder *= 10.0;
+    int toPrint = int(remainder);
+    print(toPrint);
+    remainder -= toPrint; 
+  } 
+}

Marlin/Marlin/Boards/cores/arduino/Print.h

+/*
+  Print.h - Base class that provides print() and println()
+  Copyright (c) 2008 David A. Mellis.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef Print_h
+#define Print_h
+
+#include <inttypes.h>
+#include <stdio.h> // for size_t
+
+#include "WString.h"
+
+#define DEC 10
+#define HEX 16
+#define OCT 8
+#define BIN 2
+#define BYTE 0
+
+class Print
+{
+  private:
+    void printNumber(unsigned long, uint8_t);
+    void printFloat(double, uint8_t);
+  public:
+     
+    //
+    // Drakelive  2012-09-04
+    //
+    #if ARDUINO >= 100 
+        virtual size_t write(uint8_t) = 0;
+    #else
+        virtual void write(uint8_t) = 0;
+    #endif
+     
+    // Drakelive  2012-09-04     
+
+    virtual void write(const char *str);
+    virtual void write(const uint8_t *buffer, size_t size);
+    
+    void print(const String &);
+    void print(const char[]);
+    void print(char, int = BYTE);
+    void print(unsigned char, int = BYTE);
+    void print(int, int = DEC);
+    void print(unsigned int, int = DEC);
+    void print(long, int = DEC);
+    void print(unsigned long, int = DEC);
+    void print(double, int = 2);
+
+    void println(const String &s);
+    void println(const char[]);
+    void println(char, int = BYTE);
+    void println(unsigned char, int = BYTE);
+    void println(int, int = DEC);
+    void println(unsigned int, int = DEC);
+    void println(long, int = DEC);
+    void println(unsigned long, int = DEC);
+    void println(double, int = 2);
+    void println(void);
+};
+
+#endif

Marlin/Marlin/Boards/cores/arduino/Stream.h

+/*
+  Stream.h - base class for character-based streams.
+  Copyright (c) 2010 David A. Mellis.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef Stream_h
+#define Stream_h
+
+#include <inttypes.h>
+#include "Print.h"
+
+class Stream : public Print
+{
+  public:
+    virtual int available() = 0;
+    virtual int read() = 0;
+    virtual int peek() = 0;
+    virtual void flush() = 0;
+};
+
+#endif

Marlin/Marlin/Boards/cores/arduino/Tone.cpp

+/* Tone.cpp
+
+  A Tone Generator Library
+
+  Written by Brett Hagman
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+Version Modified By Date     Comments
+------- ----------- -------- --------
+0001    B Hagman    09/08/02 Initial coding
+0002    B Hagman    09/08/18 Multiple pins
+0003    B Hagman    09/08/18 Moved initialization from constructor to begin()
+0004    B Hagman    09/09/26 Fixed problems with ATmega8
+0005    B Hagman    09/11/23 Scanned prescalars for best fit on 8 bit timers
+                    09/11/25 Changed pin toggle method to XOR
+                    09/11/25 Fixed timer0 from being excluded
+0006    D Mellis    09/12/29 Replaced objects with functions
+0007    M Sproul    10/08/29 Changed #ifdefs from cpu to register
+*************************************************/
+
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+#include "wiring.h"
+#include "pins_arduino.h"
+
+#if defined(__AVR_ATmega8__) || defined(__AVR_ATmega128__)
+#define TCCR2A TCCR2
+#define TCCR2B TCCR2
+#define COM2A1 COM21
+#define COM2A0 COM20
+#define OCR2A OCR2
+#define TIMSK2 TIMSK
+#define OCIE2A OCIE2
+#define TIMER2_COMPA_vect TIMER2_COMP_vect
+#define TIMSK1 TIMSK
+#endif
+
+// timerx_toggle_count:
+//  > 0 - duration specified
+//  = 0 - stopped
+//  < 0 - infinitely (until stop() method called, or new play() called)
+
+#if !defined(__AVR_ATmega8__)
+volatile long timer0_toggle_count;
+volatile uint8_t *timer0_pin_port;
+volatile uint8_t timer0_pin_mask;
+#endif
+
+volatile long timer1_toggle_count;
+volatile uint8_t *timer1_pin_port;
+volatile uint8_t timer1_pin_mask;
+volatile long timer2_toggle_count;
+volatile uint8_t *timer2_pin_port;
+volatile uint8_t timer2_pin_mask;
+
+#if defined(TIMSK3)
+volatile long timer3_toggle_count;
+volatile uint8_t *timer3_pin_port;
+volatile uint8_t timer3_pin_mask;
+#endif
+
+#if defined(TIMSK4)
+volatile long timer4_toggle_count;
+volatile uint8_t *timer4_pin_port;
+volatile uint8_t timer4_pin_mask;
+#endif
+
+#if defined(TIMSK5)
+volatile long timer5_toggle_count;
+volatile uint8_t *timer5_pin_port;
+volatile uint8_t timer5_pin_mask;
+#endif
+
+
+// MLS: This does not make sense, the 3 options are the same
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+
+#define AVAILABLE_TONE_PINS 1
+
+const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 3, 4, 5, 1, 0 */ };
+static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255, 255, 255, 255, 255 */ };
+
+#elif defined(__AVR_ATmega8__)
+
+#define AVAILABLE_TONE_PINS 1
+
+const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 1 */ };
+static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255 */ };
+
+#else
+
+#define AVAILABLE_TONE_PINS 1
+
+// Leave timer 0 to last.
+const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 1, 0 */ };
+static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255, 255 */ };
+
+#endif
+
+
+
+static int8_t toneBegin(uint8_t _pin)
+{
+  int8_t _timer = -1;
+
+  // if we're already using the pin, the timer should be configured.  
+  for (int i = 0; i < AVAILABLE_TONE_PINS; i++) {
+    if (tone_pins[i] == _pin) {
+      return pgm_read_byte(tone_pin_to_timer_PGM + i);
+    }
+  }
+  
+  // search for an unused timer.
+  for (int i = 0; i < AVAILABLE_TONE_PINS; i++) {
+    if (tone_pins[i] == 255) {
+      tone_pins[i] = _pin;
+      _timer = pgm_read_byte(tone_pin_to_timer_PGM + i);
+      break;
+    }
+  }
+  
+  if (_timer != -1)
+  {
+    // Set timer specific stuff
+    // All timers in CTC mode
+    // 8 bit timers will require changing prescalar values,
+    // whereas 16 bit timers are set to either ck/1 or ck/64 prescalar
+    switch (_timer)
+    {
+      #if defined(TCCR0A) && defined(TCCR0B)
+      case 0:
+        // 8 bit timer
+        TCCR0A = 0;
+        TCCR0B = 0;
+        bitWrite(TCCR0A, WGM01, 1);
+        bitWrite(TCCR0B, CS00, 1);
+        timer0_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer0_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR1A) && defined(TCCR1B) && defined(WGM12)
+      case 1:
+        // 16 bit timer
+        TCCR1A = 0;
+        TCCR1B = 0;
+        bitWrite(TCCR1B, WGM12, 1);
+        bitWrite(TCCR1B, CS10, 1);
+        timer1_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer1_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR2A) && defined(TCCR2B)
+      case 2:
+        // 8 bit timer
+        TCCR2A = 0;
+        TCCR2B = 0;
+        bitWrite(TCCR2A, WGM21, 1);
+        bitWrite(TCCR2B, CS20, 1);
+        timer2_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer2_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR3A) && defined(TCCR3B) &&  defined(TIMSK3)
+      case 3:
+        // 16 bit timer
+        TCCR3A = 0;
+        TCCR3B = 0;
+        bitWrite(TCCR3B, WGM32, 1);
+        bitWrite(TCCR3B, CS30, 1);
+        timer3_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer3_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR4A) && defined(TCCR4B) &&  defined(TIMSK4)
+      case 4:
+        // 16 bit timer
+        TCCR4A = 0;
+        TCCR4B = 0;
+        #if defined(WGM42)
+          bitWrite(TCCR4B, WGM42, 1);
+        #elif defined(CS43)
+          #warning this may not be correct
+          // atmega32u4
+          bitWrite(TCCR4B, CS43, 1);
+        #endif
+        bitWrite(TCCR4B, CS40, 1);
+        timer4_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer4_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR5A) && defined(TCCR5B) &&  defined(TIMSK5)
+      case 5:
+        // 16 bit timer
+        TCCR5A = 0;
+        TCCR5B = 0;
+        bitWrite(TCCR5B, WGM52, 1);
+        bitWrite(TCCR5B, CS50, 1);
+        timer5_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer5_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+    }
+  }
+
+  return _timer;
+}
+
+
+
+// frequency (in hertz) and duration (in milliseconds).
+
+void tone(uint8_t _pin, unsigned int frequency, unsigned long duration)
+{
+  uint8_t prescalarbits = 0b001;
+  long toggle_count = 0;
+  uint32_t ocr = 0;
+  int8_t _timer;
+
+  _timer = toneBegin(_pin);
+
+  if (_timer >= 0)
+  {
+    // Set the pinMode as OUTPUT
+    pinMode(_pin, OUTPUT);
+    
+    // if we are using an 8 bit timer, scan through prescalars to find the best fit
+    if (_timer == 0 || _timer == 2)
+    {
+      ocr = F_CPU / frequency / 2 - 1;
+      prescalarbits = 0b001;  // ck/1: same for both timers
+      if (ocr > 255)
+      {
+        ocr = F_CPU / frequency / 2 / 8 - 1;
+        prescalarbits = 0b010;  // ck/8: same for both timers
+
+        if (_timer == 2 && ocr > 255)
+        {
+          ocr = F_CPU / frequency / 2 / 32 - 1;
+          prescalarbits = 0b011;
+        }
+
+        if (ocr > 255)
+        {
+          ocr = F_CPU / frequency / 2 / 64 - 1;
+          prescalarbits = _timer == 0 ? 0b011 : 0b100;
+
+          if (_timer == 2 && ocr > 255)
+          {
+            ocr = F_CPU / frequency / 2 / 128 - 1;
+            prescalarbits = 0b101;
+          }
+
+          if (ocr > 255)
+          {
+            ocr = F_CPU / frequency / 2 / 256 - 1;
+            prescalarbits = _timer == 0 ? 0b100 : 0b110;
+            if (ocr > 255)
+            {
+              // can't do any better than /1024
+              ocr = F_CPU / frequency / 2 / 1024 - 1;
+              prescalarbits = _timer == 0 ? 0b101 : 0b111;
+            }
+          }
+        }
+      }
+
+#if defined(TCCR0B)
+      if (_timer == 0)
+      {
+        TCCR0B = prescalarbits;
+      }
+      else
+#endif
+#if defined(TCCR2B)
+      {
+        TCCR2B = prescalarbits;
+      }
+#else
+      {
+        // dummy place holder to make the above ifdefs work
+      }
+#endif
+    }
+    else
+    {
+      // two choices for the 16 bit timers: ck/1 or ck/64
+      ocr = F_CPU / frequency / 2 - 1;
+
+      prescalarbits = 0b001;
+      if (ocr > 0xffff)
+      {
+        ocr = F_CPU / frequency / 2 / 64 - 1;
+        prescalarbits = 0b011;
+      }
+
+      if (_timer == 1)
+      {
+#if defined(TCCR1B)
+        TCCR1B = (TCCR1B & 0b11111000) | prescalarbits;
+#endif
+      }
+#if defined(TCCR3B)
+      else if (_timer == 3)
+        TCCR3B = (TCCR3B & 0b11111000) | prescalarbits;
+#endif
+#if defined(TCCR4B)
+      else if (_timer == 4)
+        TCCR4B = (TCCR4B & 0b11111000) | prescalarbits;
+#endif
+#if defined(TCCR5B)
+      else if (_timer == 5)
+        TCCR5B = (TCCR5B & 0b11111000) | prescalarbits;
+#endif
+
+    }
+    
+
+    // Calculate the toggle count
+    if (duration > 0)
+    {
+      toggle_count = 2 * frequency * duration / 1000;
+    }
+    else
+    {
+      toggle_count = -1;
+    }
+
+    // Set the OCR for the given timer,
+    // set the toggle count,
+    // then turn on the interrupts
+    switch (_timer)
+    {
+
+#if defined(OCR0A) && defined(TIMSK0) && defined(OCIE0A)
+      case 0:
+        OCR0A = ocr;
+        timer0_toggle_count = toggle_count;
+        bitWrite(TIMSK0, OCIE0A, 1);
+        break;
+#endif
+
+      case 1:
+#if defined(OCR1A) && defined(TIMSK1) && defined(OCIE1A)
+        OCR1A = ocr;
+        timer1_toggle_count = toggle_count;
+        bitWrite(TIMSK1, OCIE1A, 1);
+#elif defined(OCR1A) && defined(TIMSK) && defined(OCIE1A)
+        // this combination is for at least the ATmega32
+        OCR1A = ocr;
+        timer1_toggle_count = toggle_count;
+        bitWrite(TIMSK, OCIE1A, 1);
+#endif
+        break;
+
+#if defined(OCR2A) && defined(TIMSK2) && defined(OCIE2A)
+      case 2:
+        OCR2A = ocr;
+        timer2_toggle_count = toggle_count;
+        bitWrite(TIMSK2, OCIE2A, 1);
+        break;
+#endif
+
+#if defined(TIMSK3)
+      case 3:
+        OCR3A = ocr;
+        timer3_toggle_count = toggle_count;
+        bitWrite(TIMSK3, OCIE3A, 1);
+        break;
+#endif
+
+#if defined(TIMSK4)
+      case 4:
+        OCR4A = ocr;
+        timer4_toggle_count = toggle_count;
+        bitWrite(TIMSK4, OCIE4A, 1);
+        break;
+#endif
+
+#if defined(OCR5A) && defined(TIMSK5) && defined(OCIE5A)
+      case 5:
+        OCR5A = ocr;
+        timer5_toggle_count = toggle_count;
+        bitWrite(TIMSK5, OCIE5A, 1);
+        break;
+#endif
+
+    }
+  }
+}
+
+
+// XXX: this function only works properly for timer 2 (the only one we use
+// currently).  for the others, it should end the tone, but won't restore
+// proper PWM functionality for the timer.
+void disableTimer(uint8_t _timer)
+{
+  switch (_timer)
+  {
+    case 0:
+      #if defined(TIMSK0)
+        TIMSK0 = 0;
+      #elif defined(TIMSK)
+        TIMSK = 0; // atmega32
+      #endif
+      break;
+
+#if defined(TIMSK1) && defined(OCIE1A)
+    case 1:
+      bitWrite(TIMSK1, OCIE1A, 0);
+      break;
+#endif
+
+    case 2:
+      #if defined(TIMSK2) && defined(OCIE2A)
+        bitWrite(TIMSK2, OCIE2A, 0); // disable interrupt
+      #endif
+      #if defined(TCCR2A) && defined(WGM20)
+        TCCR2A = (1 << WGM20);
+      #endif
+      #if defined(TCCR2B) && defined(CS22)
+        TCCR2B = (TCCR2B & 0b11111000) | (1 << CS22);
+      #endif
+      #if defined(OCR2A)
+        OCR2A = 0;
+      #endif
+      break;
+
+#if defined(TIMSK3)
+    case 3:
+      TIMSK3 = 0;
+      break;
+#endif
+
+#if defined(TIMSK4)
+    case 4:
+      TIMSK4 = 0;
+      break;
+#endif
+
+#if defined(TIMSK5)
+    case 5:
+      TIMSK5 = 0;
+      break;
+#endif
+  }
+}
+
+
+void noTone(uint8_t _pin)
+{
+  int8_t _timer = -1;
+  
+  for (int i = 0; i < AVAILABLE_TONE_PINS; i++) {
+    if (tone_pins[i] == _pin) {
+      _timer = pgm_read_byte(tone_pin_to_timer_PGM + i);
+      tone_pins[i] = 255;
+    }
+  }
+  
+  disableTimer(_timer);
+
+  digitalWrite(_pin, 0);
+}
+
+#if 0
+#if !defined(__AVR_ATmega8__)
+ISR(TIMER0_COMPA_vect)
+{
+  if (timer0_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer0_pin_port ^= timer0_pin_mask;
+
+    if (timer0_toggle_count > 0)
+      timer0_toggle_count--;
+  }
+  else
+  {
+    disableTimer(0);
+    *timer0_pin_port &= ~(timer0_pin_mask);  // keep pin low after stop
+  }
+}
+#endif
+
+
+ISR(TIMER1_COMPA_vect)
+{
+  if (timer1_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer1_pin_port ^= timer1_pin_mask;
+
+    if (timer1_toggle_count > 0)
+      timer1_toggle_count--;
+  }
+  else
+  {
+    disableTimer(1);
+    *timer1_pin_port &= ~(timer1_pin_mask);  // keep pin low after stop
+  }
+}
+#endif
+
+
+ISR(TIMER2_COMPA_vect)
+{
+
+  if (timer2_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer2_pin_port ^= timer2_pin_mask;
+
+    if (timer2_toggle_count > 0)
+      timer2_toggle_count--;
+  }
+  else
+  {
+    // need to call noTone() so that the tone_pins[] entry is reset, so the
+    // timer gets initialized next time we call tone().
+    // XXX: this assumes timer 2 is always the first one used.
+    noTone(tone_pins[0]);
+//    disableTimer(2);
+//    *timer2_pin_port &= ~(timer2_pin_mask);  // keep pin low after stop
+  }
+}
+
+
+
+//#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#if 0
+
+ISR(TIMER3_COMPA_vect)
+{
+  if (timer3_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer3_pin_port ^= timer3_pin_mask;
+
+    if (timer3_toggle_count > 0)
+      timer3_toggle_count--;
+  }
+  else
+  {
+    disableTimer(3);
+    *timer3_pin_port &= ~(timer3_pin_mask);  // keep pin low after stop
+  }
+}
+
+ISR(TIMER4_COMPA_vect)
+{
+  if (timer4_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer4_pin_port ^= timer4_pin_mask;
+
+    if (timer4_toggle_count > 0)
+      timer4_toggle_count--;
+  }
+  else
+  {
+    disableTimer(4);
+    *timer4_pin_port &= ~(timer4_pin_mask);  // keep pin low after stop
+  }
+}
+
+ISR(TIMER5_COMPA_vect)
+{
+  if (timer5_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer5_pin_port ^= timer5_pin_mask;
+
+    if (timer5_toggle_count > 0)
+      timer5_toggle_count--;
+  }
+  else
+  {
+    disableTimer(5);
+    *timer5_pin_port &= ~(timer5_pin_mask);  // keep pin low after stop
+  }
+}
+
+#endif

Marlin/Marlin/Boards/cores/arduino/WCharacter.h

+/*
+ WCharacter.h - Character utility functions for Wiring & Arduino
+ Copyright (c) 2010 Hernando Barragan.  All right reserved.
+ 
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef Character_h
+#define Character_h
+
+#include <ctype.h>
+
+// WCharacter.h prototypes
+inline boolean isAlphaNumeric(int c) __attribute__((always_inline));
+inline boolean isAlpha(int c) __attribute__((always_inline));
+inline boolean isAscii(int c) __attribute__((always_inline));
+inline boolean isWhitespace(int c) __attribute__((always_inline));
+inline boolean isControl(int c) __attribute__((always_inline));
+inline boolean isDigit(int c) __attribute__((always_inline));
+inline boolean isGraph(int c) __attribute__((always_inline));
+inline boolean isLowerCase(int c) __attribute__((always_inline));
+inline boolean isPrintable(int c) __attribute__((always_inline));
+inline boolean isPunct(int c) __attribute__((always_inline));
+inline boolean isSpace(int c) __attribute__((always_inline));
+inline boolean isUpperCase(int c) __attribute__((always_inline));
+inline boolean isHexadecimalDigit(int c) __attribute__((always_inline));
+inline int toAscii(int c) __attribute__((always_inline));
+inline int toLowerCase(int c) __attribute__((always_inline));
+inline int toUpperCase(int c)__attribute__((always_inline));
+
+
+// Checks for an alphanumeric character. 
+// It is equivalent to (isalpha(c) || isdigit(c)).
+inline boolean isAlphaNumeric(int c) 
+{
+  return ( isalnum(c) == 0 ? false : true);
+}
+
+
+// Checks for an alphabetic character. 
+// It is equivalent to (isupper(c) || islower(c)).
+inline boolean isAlpha(int c)
+{
+  return ( isalpha(c) == 0 ? false : true);
+}
+
+
+// Checks whether c is a 7-bit unsigned char value 
+// that fits into the ASCII character set.
+inline boolean isAscii(int c)
+{
+  return ( isascii (c) == 0 ? false : true);
+}
+
+
+// Checks for a blank character, that is, a space or a tab.
+inline boolean isWhitespace(int c)
+{
+  return ( isblank (c) == 0 ? false : true);
+}
+
+
+// Checks for a control character.
+inline boolean isControl(int c)
+{
+  return ( iscntrl (c) == 0 ? false : true);
+}
+
+
+// Checks for a digit (0 through 9).
+inline boolean isDigit(int c)
+{
+  return ( isdigit (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character except space.
+inline boolean isGraph(int c)
+{
+  return ( isgraph (c) == 0 ? false : true);
+}
+
+
+// Checks for a lower-case character.
+inline boolean isLowerCase(int c)
+{
+  return (islower (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character including space.
+inline boolean isPrintable(int c)
+{
+  return ( isprint (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character which is not a space 
+// or an alphanumeric character.
+inline boolean isPunct(int c)
+{
+  return ( ispunct (c) == 0 ? false : true);
+}
+
+
+// Checks for white-space characters. For the avr-libc library, 
+// these are: space, formfeed ('\f'), newline ('\n'), carriage 
+// return ('\r'), horizontal tab ('\t'), and vertical tab ('\v').
+inline boolean isSpace(int c)
+{
+  return ( isspace (c) == 0 ? false : true);
+}
+
+
+// Checks for an uppercase letter.
+inline boolean isUpperCase(int c)
+{
+  return ( isupper (c) == 0 ? false : true);
+}
+
+
+// Checks for a hexadecimal digits, i.e. one of 0 1 2 3 4 5 6 7 
+// 8 9 a b c d e f A B C D E F.
+inline boolean isHexadecimalDigit(int c)
+{
+  return ( isxdigit (c) == 0 ? false : true);
+}
+
+
+// Converts c to a 7-bit unsigned char value that fits into the 
+// ASCII character set, by clearing the high-order bits.
+inline int toAscii(int c)
+{
+  return toascii (c);
+}
+
+
+// Warning:
+// Many people will be unhappy if you use this function. 
+// This function will convert accented letters into random 
+// characters.
+
+// Converts the letter c to lower case, if possible.
+inline int toLowerCase(int c)
+{
+  return tolower (c);
+}
+
+
+// Converts the letter c to upper case, if possible.
+inline int toUpperCase(int c)
+{
+  return toupper (c);
+}
+
+#endif

Marlin/Marlin/Boards/cores/arduino/WConstants.h

+#include "wiring.h"

Marlin/Marlin/Boards/cores/arduino/WInterrupts.c

+/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Wiring project - http://wiring.uniandes.edu.co
+
+  Copyright (c) 2004-05 Hernando Barragan
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+  
+  Modified 24 November 2006 by David A. Mellis
+  Modified 1 August 2010 by Mark Sproul
+*/
+
+#include <inttypes.h>
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+#include <stdio.h>
+
+#include "WConstants.h"
+#include "wiring_private.h"
+
+volatile static voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS];
+// volatile static voidFuncPtr twiIntFunc;
+
+void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
+  if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {
+    intFunc[interruptNum] = userFunc;
+    
+    // Configure the interrupt mode (trigger on low input, any change, rising
+    // edge, or falling edge).  The mode constants were chosen to correspond
+    // to the configuration bits in the hardware register, so we simply shift
+    // the mode into place.
+      
+    // Enable the interrupt.
+      
+    switch (interruptNum) {
+#if defined(EICRA) && defined(EICRB) && defined(EIMSK)
+    case 2:
+      EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      EIMSK |= (1 << INT0);
+      break;
+    case 3:
+      EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      EIMSK |= (1 << INT1);
+      break;
+    case 4:
+      EICRA = (EICRA & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20);
+      EIMSK |= (1 << INT2);
+      break;
+    case 5:
+      EICRA = (EICRA & ~((1 << ISC30) | (1 << ISC31))) | (mode << ISC30);
+      EIMSK |= (1 << INT3);
+      break;
+    case 0:
+      EICRB = (EICRB & ~((1 << ISC40) | (1 << ISC41))) | (mode << ISC40);
+      EIMSK |= (1 << INT4);
+      break;
+    case 1:
+      EICRB = (EICRB & ~((1 << ISC50) | (1 << ISC51))) | (mode << ISC50);
+      EIMSK |= (1 << INT5);
+      break;
+    case 6:
+      EICRB = (EICRB & ~((1 << ISC60) | (1 << ISC61))) | (mode << ISC60);
+      EIMSK |= (1 << INT6);
+      break;
+    case 7:
+      EICRB = (EICRB & ~((1 << ISC70) | (1 << ISC71))) | (mode << ISC70);
+      EIMSK |= (1 << INT7);
+      break;
+#else
+    case 0:
+    #if defined(EICRA) && defined(ISC00) && defined(EIMSK)
+      EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      EIMSK |= (1 << INT0);
+    #elif defined(MCUCR) && defined(ISC00) && defined(GICR)
+      MCUCR = (MCUCR & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      GICR |= (1 << INT0);
+    #elif defined(MCUCR) && defined(ISC00) && defined(GIMSK)
+      MCUCR = (MCUCR & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      GIMSK |= (1 << INT0);
+    #else
+      #error attachInterrupt not finished for this CPU (case 0)
+    #endif
+      break;
+
+    case 1:
+    #if defined(EICRA) && defined(ISC10) && defined(ISC11) && defined(EIMSK)
+      EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      EIMSK |= (1 << INT1);
+    #elif defined(MCUCR) && defined(ISC10) && defined(ISC11) && defined(GICR)
+      MCUCR = (MCUCR & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      GICR |= (1 << INT1);
+    #elif defined(MCUCR) && defined(ISC10) && defined(GIMSK) && defined(GIMSK)
+      MCUCR = (MCUCR & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      GIMSK |= (1 << INT1);
+    #else
+      #warning attachInterrupt may need some more work for this cpu (case 1)
+    #endif
+      break;
+#endif
+    }
+  }
+}
+
+void detachInterrupt(uint8_t interruptNum) {
+  if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {
+    // Disable the interrupt.  (We can't assume that interruptNum is equal
+    // to the number of the EIMSK bit to clear, as this isn't true on the 
+    // ATmega8.  There, INT0 is 6 and INT1 is 7.)
+    switch (interruptNum) {
+#if defined(EICRA) && defined(EICRB) && defined(EIMSK)
+    case 2:
+      EIMSK &= ~(1 << INT0);
+      break;
+    case 3:
+      EIMSK &= ~(1 << INT1);
+      break;
+    case 4:
+      EIMSK &= ~(1 << INT2);
+      break;
+    case 5:
+      EIMSK &= ~(1 << INT3);
+      break;
+    case 0:
+      EIMSK &= ~(1 << INT4);
+      break;
+    case 1:
+      EIMSK &= ~(1 << INT5);
+      break;
+    case 6:
+      EIMSK &= ~(1 << INT6);
+      break;
+    case 7:
+      EIMSK &= ~(1 << INT7);
+      break;
+#else
+    case 0:
+    #if defined(EIMSK) && defined(INT0)
+      EIMSK &= ~(1 << INT0);
+    #elif defined(GICR) && defined(ISC00)
+      GICR &= ~(1 << INT0); // atmega32
+    #elif defined(GIMSK) && defined(INT0)
+      GIMSK &= ~(1 << INT0);
+    #else
+      #error detachInterrupt not finished for this cpu
+    #endif
+      break;
+
+    case 1:
+    #if defined(EIMSK) && defined(INT1)
+      EIMSK &= ~(1 << INT1);
+    #elif defined(GICR) && defined(INT1)
+      GICR &= ~(1 << INT1); // atmega32
+    #elif defined(GIMSK) && defined(INT1)
+      GIMSK &= ~(1 << INT1);
+    #else
+      #warning detachInterrupt may need some more work for this cpu (case 1)
+    #endif
+      break;
+#endif
+    }
+      
+    intFunc[interruptNum] = 0;
+  }
+}
+
+/*
+void attachInterruptTwi(void (*userFunc)(void) ) {
+  twiIntFunc = userFunc;
+}
+*/
+
+#if defined(EICRA) && defined(EICRB)
+
+SIGNAL(INT0_vect) {
+  if(intFunc[EXTERNAL_INT_2])
+    intFunc[EXTERNAL_INT_2]();
+}
+
+SIGNAL(INT1_vect) {
+  if(intFunc[EXTERNAL_INT_3])
+    intFunc[EXTERNAL_INT_3]();
+}
+
+SIGNAL(INT2_vect) {
+  if(intFunc[EXTERNAL_INT_4])
+    intFunc[EXTERNAL_INT_4]();
+}
+
+SIGNAL(INT3_vect) {
+  if(intFunc[EXTERNAL_INT_5])
+    intFunc[EXTERNAL_INT_5]();
+}
+
+SIGNAL(INT4_vect) {
+  if(intFunc[EXTERNAL_INT_0])
+    intFunc[EXTERNAL_INT_0]();
+}
+
+SIGNAL(INT5_vect) {
+  if(intFunc[EXTERNAL_INT_1])
+    intFunc[EXTERNAL_INT_1]();
+}
+
+SIGNAL(INT6_vect) {
+  if(intFunc[EXTERNAL_INT_6])
+    intFunc[EXTERNAL_INT_6]();
+}
+
+SIGNAL(INT7_vect) {
+  if(intFunc[EXTERNAL_INT_7])
+    intFunc[EXTERNAL_INT_7]();
+}
+
+#else
+
+SIGNAL(INT0_vect) {
+  if(intFunc[EXTERNAL_INT_0])
+    intFunc[EXTERNAL_INT_0]();
+}
+
+SIGNAL(INT1_vect) {
+  if(intFunc[EXTERNAL_INT_1])
+    intFunc[EXTERNAL_INT_1]();
+}
+
+#endif
+
+/*
+SIGNAL(SIG_2WIRE_SERIAL) {
+  if(twiIntFunc)
+    twiIntFunc();
+}
+*/
+

Marlin/Marlin/Boards/cores/arduino/WMath.cpp

+/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Wiring project - http://wiring.org.co
+  Copyright (c) 2004-06 Hernando Barragan
+  Modified 13 August 2006, David A. Mellis for Arduino - http://www.arduino.cc/
+  
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+  
+  $Id$
+*/
+
+extern "C" {
+  #include "stdlib.h"
+}
+
+void randomSeed(unsigned int seed)
+{
+  if (seed != 0) {
+    srandom(seed);
+  }
+}
+
+long random(long howbig)
+{
+  if (howbig == 0) {
+    return 0;
+  }
+  return random() % howbig;
+}
+
+long random(long howsmall, long howbig)
+{
+  if (howsmall >= howbig) {
+    return howsmall;
+  }
+  long diff = howbig - howsmall;
+  return random(diff) + howsmall;
+}
+
+long map(long x, long in_min, long in_max, long out_min, long out_max)
+{
+  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+
+unsigned int makeWord(unsigned int w) { return w; }
+unsigned int makeWord(unsigned char h, unsigned char l) { return (h << 8) | l; }

Marlin/Marlin/Boards/cores/arduino/WProgram.h

+#ifndef WProgram_h
+#define WProgram_h
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include <avr/interrupt.h>
+
+#include "wiring.h"
+
+#ifdef __cplusplus
+#include "WCharacter.h"
+#include "WString.h"
+#include "HardwareSerial.h"
+
+uint16_t makeWord(uint16_t w);
+uint16_t makeWord(byte h, byte l);
+
+#define word(...) makeWord(__VA_ARGS__)
+
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);
+
+void tone(uint8_t _pin, unsigned int frequency, unsigned long duration = 0);
+void noTone(uint8_t _pin);
+
+// WMath prototypes
+long random(long);
+long random(long, long);
+void randomSeed(unsigned int);
+long map(long, long, long, long, long);
+
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+const static uint8_t A0 = 54;
+const static uint8_t A1 = 55;
+const static uint8_t A2 = 56;
+const static uint8_t A3 = 57;
+const static uint8_t A4 = 58;
+const static uint8_t A5 = 59;
+const static uint8_t A6 = 60;
+const static uint8_t A7 = 61;
+const static uint8_t A8 = 62;
+const static uint8_t A9 = 63;
+const static uint8_t A10 = 64;
+const static uint8_t A11 = 65;
+const static uint8_t A12 = 66;
+const static uint8_t A13 = 67;
+const static uint8_t A14 = 68;
+const static uint8_t A15 = 69;
+#else
+const static uint8_t A0 = 14;
+const static uint8_t A1 = 15;
+const static uint8_t A2 = 16;
+const static uint8_t A3 = 17;
+const static uint8_t A4 = 18;
+const static uint8_t A5 = 19;
+const static uint8_t A6 = 20;
+const static uint8_t A7 = 21;
+#endif
+
+#endif
+
+#endif

Marlin/Marlin/Boards/cores/arduino/WString.cpp

+/*
+  WString.cpp - String library for Wiring & Arduino
+  Copyright (c) 2009-10 Hernando Barragan.  All rights reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <stdlib.h>
+#include "WProgram.h"
+#include "WString.h"
+
+
+String::String( const char *value )
+{
+  if ( value == NULL )
+    value = "";
+  getBuffer( _length = strlen( value ) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, value );
+}
+
+String::String( const String &value )
+{
+  getBuffer( _length = value._length );
+  if ( _buffer != NULL )
+    strcpy( _buffer, value._buffer );
+}
+
+String::String( const char value )
+{
+  _length = 1;
+  getBuffer(1);
+  if ( _buffer != NULL ) {
+    _buffer[0] = value;
+    _buffer[1] = 0;
+  }
+}
+
+String::String( const unsigned char value )
+{
+  _length = 1;
+  getBuffer(1);
+  if ( _buffer != NULL) {
+    _buffer[0] = value;
+    _buffer[1] = 0;
+  }
+}
+
+String::String( const int value, const int base )
+{
+  char buf[33];   
+  itoa((signed long)value, buf, base);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+String::String( const unsigned int value, const int base )
+{
+  char buf[33];   
+  ultoa((unsigned long)value, buf, base);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+String::String( const long value, const int base )
+{
+  char buf[33];   
+  ltoa(value, buf, base);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+String::String( const unsigned long value, const int base )
+{
+  char buf[33];   
+  ultoa(value, buf, 10);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+char String::charAt( unsigned int loc ) const
+{
+  return operator[]( loc );
+}
+
+void String::setCharAt( unsigned int loc, const char aChar ) 
+{
+  if(_buffer == NULL) return;
+  if(_length > loc) {
+    _buffer[loc] = aChar;
+  }
+}
+
+int String::compareTo( const String &s2 ) const
+{
+  return strcmp( _buffer, s2._buffer );
+}
+
+const String & String::concat( const String &s2 )
+{
+  return (*this) += s2;
+}
+
+const String & String::operator=( const String &rhs )
+{
+  if ( this == &rhs )
+    return *this;
+
+  if ( rhs._length > _length )
+  {
+    free(_buffer);
+    getBuffer( rhs._length );
+  }
+  
+  if ( _buffer != NULL ) {
+    _length = rhs._length;
+    strcpy( _buffer, rhs._buffer );
+  }
+  return *this;
+}
+
+//const String & String::operator+=( const char aChar )
+//{
+//  if ( _length == _capacity )
+//    doubleBuffer();
+//
+//  _buffer[ _length++ ] = aChar;
+//  _buffer[ _length ] = '\0';
+//  return *this;
+//}
+
+const String & String::operator+=( const String &other )
+{
+  _length += other._length;
+  if ( _length > _capacity )
+  {
+    char *temp = (char *)realloc(_buffer, _length + 1);
+    if ( temp != NULL ) {
+      _buffer = temp;
+      _capacity = _length;
+    } else {
+      _length -= other._length;
+      return *this;
+    }
+  }
+  strcat( _buffer, other._buffer );
+  return *this;
+}
+
+
+int String::operator==( const String &rhs ) const
+{
+  return ( _length == rhs._length && strcmp( _buffer, rhs._buffer ) == 0 );
+}
+
+int String::operator!=( const String &rhs ) const
+{
+  return ( _length != rhs.length() || strcmp( _buffer, rhs._buffer ) != 0 );
+}
+
+int String::operator<( const String &rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) < 0;
+}
+
+int String::operator>( const String &rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) > 0;
+}
+
+int String::operator<=( const String &rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) <= 0;
+}
+
+int String::operator>=( const String & rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) >= 0;
+}
+
+char & String::operator[]( unsigned int index )
+{
+  static char dummy_writable_char;
+  if (index >= _length || !_buffer) {
+    dummy_writable_char = 0;
+    return dummy_writable_char;
+  }
+  return _buffer[ index ];
+}
+
+char String::operator[]( unsigned int index ) const
+{
+  // need to check for valid index, to do later
+  return _buffer[ index ];
+}
+
+boolean String::endsWith( const String &s2 ) const
+{
+  if ( _length < s2._length )
+    return 0;
+
+  return strcmp( &_buffer[ _length - s2._length], s2._buffer ) == 0;
+}
+
+boolean String::equals( const String &s2 ) const
+{
+  return ( _length == s2._length && strcmp( _buffer,s2._buffer ) == 0 );
+}
+
+boolean String::equalsIgnoreCase( const String &s2 ) const
+{
+  if ( this == &s2 )
+    return true; //1;
+  else if ( _length != s2._length )
+    return false; //0;
+
+  return strcmp(toLowerCase()._buffer, s2.toLowerCase()._buffer) == 0;
+}
+
+String String::replace( char findChar, char replaceChar )
+{
+  if ( _buffer == NULL ) return *this;
+  String theReturn = _buffer;
+  char* temp = theReturn._buffer;
+  while( (temp = strchr( temp, findChar )) != 0 )
+    *temp = replaceChar;
+
+  return theReturn;
+}
+
+String String::replace( const String& match, const String& replace )
+{
+  if ( _buffer == NULL ) return *this;
+  String temp = _buffer, newString;
+
+  int loc;
+  while ( (loc = temp.indexOf( match )) != -1 )
+  {
+    newString += temp.substring( 0, loc );
+    newString += replace;
+    temp = temp.substring( loc + match._length );
+  }
+  newString += temp;  
+  return newString;
+}
+
+int String::indexOf( char temp ) const
+{
+  return indexOf( temp, 0 );
+}
+
+int String::indexOf( char ch, unsigned int fromIndex ) const
+{
+  if ( fromIndex >= _length )
+    return -1;
+
+  const char* temp = strchr( &_buffer[fromIndex], ch );
+  if ( temp == NULL )
+    return -1;
+
+  return temp - _buffer;
+}
+
+int String::indexOf( const String &s2 ) const
+{
+  return indexOf( s2, 0 );
+}
+
+int String::indexOf( const String &s2, unsigned int fromIndex ) const
+{
+  if ( fromIndex >= _length )
+    return -1;
+
+  const char *theFind = strstr( &_buffer[ fromIndex ], s2._buffer );
+
+  if ( theFind == NULL )
+    return -1;
+
+  return theFind - _buffer; // pointer subtraction
+}
+
+int String::lastIndexOf( char theChar ) const
+{
+  return lastIndexOf( theChar, _length - 1 );
+}
+
+int String::lastIndexOf( char ch, unsigned int fromIndex ) const
+{
+  if ( fromIndex >= _length )
+    return -1;
+
+  char tempchar = _buffer[fromIndex + 1];
+  _buffer[fromIndex + 1] = '\0';
+  char* temp = strrchr( _buffer, ch );
+  _buffer[fromIndex + 1] = tempchar;
+
+  if ( temp == NULL )
+    return -1;
+
+  return temp - _buffer;
+}
+
+int String::lastIndexOf( const String &s2 ) const
+{
+  return lastIndexOf( s2, _length - s2._length );
+}
+
+int String::lastIndexOf( const String &s2, unsigned int fromIndex ) const
+{
+  // check for empty strings
+  if ( s2._length == 0 || s2._length - 1 > fromIndex || fromIndex >= _length )
+    return -1;
+
+  // matching first character
+  char temp = s2[ 0 ];
+
+  for ( int i = fromIndex; i >= 0; i-- )
+  {
+    if ( _buffer[ i ] == temp && (*this).substring( i, i + s2._length ).equals( s2 ) )
+    return i;
+  }
+  return -1;
+}
+
+boolean String::startsWith( const String &s2 ) const
+{
+  if ( _length < s2._length )
+    return 0;
+
+  return startsWith( s2, 0 );
+}
+
+boolean String::startsWith( const String &s2, unsigned int offset ) const
+{
+  if ( offset > _length - s2._length )
+    return 0;
+
+  return strncmp( &_buffer[offset], s2._buffer, s2._length ) == 0;
+}
+
+String String::substring( unsigned int left ) const
+{
+  return substring( left, _length );
+}
+
+String String::substring( unsigned int left, unsigned int right ) const
+{
+  if ( left > right )
+  {
+    int temp = right;
+    right = left;
+    left = temp;
+  }
+
+  if ( right > _length )
+  {
+    right = _length;
+  } 
+
+  char temp = _buffer[ right ];  // save the replaced character
+  _buffer[ right ] = '\0';	
+  String outPut = ( _buffer + left );  // pointer arithmetic
+  _buffer[ right ] = temp;  //restore character
+  return outPut;
+}
+
+String String::toLowerCase() const
+{
+  String temp = _buffer;
+
+  for ( unsigned int i = 0; i < _length; i++ )
+    temp._buffer[ i ] = (char)tolower( temp._buffer[ i ] );
+  return temp;
+}
+
+String String::toUpperCase() const
+{
+  String temp = _buffer;
+
+  for ( unsigned int i = 0; i < _length; i++ )
+    temp._buffer[ i ] = (char)toupper( temp._buffer[ i ] );
+  return temp;
+}
+
+String String::trim() const
+{
+  if ( _buffer == NULL ) return *this;
+  String temp = _buffer;
+  unsigned int i,j;
+
+  for ( i = 0; i < _length; i++ )
+  {
+    if ( !isspace(_buffer[i]) )
+      break;
+  }
+
+  for ( j = temp._length - 1; j > i; j-- )
+  {
+    if ( !isspace(_buffer[j]) )
+      break;
+  }
+
+  return temp.substring( i, j + 1);
+}
+
+void String::getBytes(unsigned char *buf, unsigned int bufsize)
+{
+  if (!bufsize || !buf) return;
+  unsigned int len = bufsize - 1;
+  if (len > _length) len = _length;
+  strncpy((char *)buf, _buffer, len);
+  buf[len] = 0;
+}
+
+void String::toCharArray(char *buf, unsigned int bufsize)
+{
+  if (!bufsize || !buf) return;
+  unsigned int len = bufsize - 1;
+  if (len > _length) len = _length;
+  strncpy(buf, _buffer, len);
+  buf[len] = 0;
+}
+
+
+long String::toInt() {
+  return atol(_buffer);
+}

Marlin/Marlin/Boards/cores/arduino/WString.h

+/*
+  WString.h - String library for Wiring & Arduino
+  Copyright (c) 2009-10 Hernando Barragan.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef String_h
+#define String_h
+
+//#include "WProgram.h"
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+class String
+{
+  public:
+    // constructors
+    String( const char *value = "" );
+    String( const String &value );
+    String( const char );
+    String( const unsigned char );
+    String( const int, const int base=10);
+    String( const unsigned int, const int base=10 );
+    String( const long, const int base=10 );
+    String( const unsigned long, const int base=10 );
+    ~String() { free(_buffer); _length = _capacity = 0;}     //added _length = _capacity = 0;
+
+    // operators
+    const String & operator = ( const String &rhs );
+    const String & operator +=( const String &rhs );
+    //const String & operator +=( const char );
+    int operator ==( const String &rhs ) const;
+    int	operator !=( const String &rhs ) const;
+    int	operator < ( const String &rhs ) const;
+    int	operator > ( const String &rhs ) const;
+    int	operator <=( const String &rhs ) const;
+    int	operator >=( const String &rhs ) const;
+    char operator []( unsigned int index ) const;
+    char& operator []( unsigned int index );
+    //operator const char *() const { return _buffer; }
+    
+    // general methods
+    char charAt( unsigned int index ) const;
+    int	compareTo( const String &anotherString ) const;
+    unsigned char endsWith( const String &suffix ) const;
+    unsigned char equals( const String &anObject ) const;
+    unsigned char equalsIgnoreCase( const String &anotherString ) const;
+    int	indexOf( char ch ) const;
+    int	indexOf( char ch, unsigned int fromIndex ) const;
+    int	indexOf( const String &str ) const;
+    int	indexOf( const String &str, unsigned int fromIndex ) const;
+    int	lastIndexOf( char ch ) const;
+    int	lastIndexOf( char ch, unsigned int fromIndex ) const;
+    int	lastIndexOf( const String &str ) const;
+    int	lastIndexOf( const String &str, unsigned int fromIndex ) const;
+    const unsigned int length( ) const { return _length; }
+    void setCharAt(unsigned int index, const char ch);
+    unsigned char startsWith( const String &prefix ) const;
+    unsigned char startsWith( const String &prefix, unsigned int toffset ) const;
+    String substring( unsigned int beginIndex ) const;
+    String substring( unsigned int beginIndex, unsigned int endIndex ) const;
+    String toLowerCase( ) const;
+    String toUpperCase( ) const;
+    String trim( ) const;
+    void getBytes(unsigned char *buf, unsigned int bufsize);
+    void toCharArray(char *buf, unsigned int bufsize);
+    long toInt( );
+    const String& concat( const String &str );
+    String replace( char oldChar, char newChar );
+    String replace( const String& match, const String& replace );
+    friend String operator + ( String lhs, const String &rhs );
+
+  protected:
+    char *_buffer;	     // the actual char array
+    unsigned int _capacity;  // the array length minus one (for the '\0')
+    unsigned int _length;    // the String length (not counting the '\0')
+
+    void getBuffer(unsigned int maxStrLen);
+
+  private:
+
+};
+
+// allocate buffer space
+inline void String::getBuffer(unsigned int maxStrLen)
+{
+  _capacity = maxStrLen;
+  _buffer = (char *) malloc(_capacity + 1);
+  if (_buffer == NULL) _length = _capacity = 0;
+}
+
+inline String operator+( String lhs, const String &rhs )
+{
+  return lhs += rhs;
+}
+
+
+#endif

Marlin/Marlin/Boards/cores/arduino/binary.h

+#ifndef Binary_h
+#define Binary_h
+
+#define B0 0
+#define B00 0
+#define B000 0
+#define B0000 0
+#define B00000 0
+#define B000000 0
+#define B0000000 0
+#define B00000000 0
+#define B1 1
+#define B01 1
+#define B001 1
+#define B0001 1
+#define B00001 1
+#define B000001 1
+#define B0000001 1
+#define B00000001 1
+#define B10 2
+#define B010 2
+#define B0010 2
+#define B00010 2
+#define B000010 2
+#define B0000010 2
+#define B00000010 2
+#define B11 3
+#define B011 3
+#define B0011 3
+#define B00011 3
+#define B000011 3
+#define B0000011 3
+#define B00000011 3
+#define B100 4
+#define B0100 4
+#define B00100 4
+#define B000100 4
+#define B0000100 4
+#define B00000100 4
+#define B101 5
+#define B0101 5
+#define B00101 5
+#define B000101 5
+#define B0000101 5
+#define B00000101 5
+#define B110 6
+#define B0110 6
+#define B00110 6
+#define B000110 6
+#define B0000110 6
+#define B00000110 6
+#define B111 7
+#define B0111 7
+#define B00111 7
+#define B000111 7
+#define B0000111 7
+#define B00000111 7
+#define B1000 8
+#define B01000 8
+#define B001000 8
+#define B0001000 8
+#define B00001000 8
+#define B1001 9
+#define B01001 9
+#define B001001 9
+#define B0001001 9
+#define B00001001 9
+#define B1010 10
+#define B01010 10
+#define B001010 10
+#define B0001010 10
+#define B00001010 10
+#define B1011 11
+#define B01011 11
+#define B001011 11
+#define B0001011 11
+#define B00001011 11
+#define B1100 12
+#define B01100 12
+#define B001100 12
+#define B0001100 12
+#define B00001100 12
+#define B1101 13
+#define B01101 13
+#define B001101 13
+#define B0001101 13
+#define B00001101 13
+#define B1110 14
+#define B01110 14
+#define B001110 14
+#define B0001110 14
+#define B00001110 14
+#define B1111 15
+#define B01111 15
+#define B001111 15
+#define B0001111 15
+#define B00001111 15
+#define B10000 16
+#define B010000 16
+#define B0010000 16
+#define B00010000 16
+#define B10001 17
+#define B010001 17
+#define B0010001 17
+#define B00010001 17
+#define B10010 18
+#define B010010 18
+#define B0010010 18
+#define B00010010 18
+#define B10011 19
+#define B010011 19
+#define B0010011 19
+#define B00010011 19
+#define B10100 20
+#define B010100 20
+#define B0010100 20
+#define B00010100 20
+#define B10101 21
+#define B010101 21
+#define B0010101 21
+#define B00010101 21
+#define B10110 22
+#define B010110 22
+#define B0010110 22
+#define B00010110 22
+#define B10111 23
+#define B010111 23
+#define B0010111 23
+#define B00010111 23
+#define B11000 24
+#define B011000 24
+#define B0011000 24
+#define B00011000 24
+#define B11001 25
+#define B011001 25
+#define B0011001 25
+#define B00011001 25
+#define B11010 26
+#define B011010 26
+#define B0011010 26
+#define B00011010 26
+#define B11011 27
+#define B011011 27
+#define B0011011 27
+#define B00011011 27
+#define B11100 28
+#define B011100 28
+#define B0011100 28
+#define B00011100 28
+#define B11101 29
+#define B011101 29
+#define B0011101 29
+#define B00011101 29
+#define B11110 30
+#define B011110 30
+#define B0011110 30
+#define B00011110 30
+#define B11111 31
+#define B011111 31
+#define B0011111 31
+#define B00011111 31
+#define B100000 32
+#define B0100000 32
+#define B00100000 32
+#define B100001 33
+#define B0100001 33
+#define B00100001 33
+#define B100010 34
+#define B0100010 34
+#define B00100010 34
+#define B100011 35
+#define B0100011 35
+#define B00100011 35
+#define B100100 36
+#define B0100100 36
+#define B00100100 36
+#define B100101 37
+#define B0100101 37
+#define B00100101 37
+#define B100110 38
+#define B0100110 38
+#define B00100110 38
+#define B100111 39
+#define B0100111 39
+#define B00100111 39
+#define B101000 40
+#define B0101000 40
+#define B00101000 40
+#define B101001 41
+#define B0101001 41
+#define B00101001 41
+#define B101010 42
+#define B0101010 42
+#define B00101010 42
+#define B101011 43
+#define B0101011 43
+#define B00101011 43
+#define B101100 44
+#define B0101100 44
+#define B00101100 44
+#define B101101 45
+#define B0101101 45
+#define B00101101 45
+#define B101110 46
+#define B0101110 46
+#define B00101110 46
+#define B101111 47
+#define B0101111 47
+#define B00101111 47
+#define B110000 48
+#define B0110000 48
+#define B00110000 48
+#define B110001 49
+#define B0110001 49
+#define B00110001 49
+#define B110010 50
+#define B0110010 50
+#define B00110010 50
+#define B110011 51
+#define B0110011 51
+#define B00110011 51
+#define B110100 52
+#define B0110100 52
+#define B00110100 52
+#define B110101 53
+#define B0110101 53
+#define B00110101 53
+#define B110110 54
+#define B0110110 54
+#define B00110110 54
+#define B110111 55
+#define B0110111 55
+#define B00110111 55
+#define B111000 56
+#define B0111000 56
+#define B00111000 56
+#define B111001 57
+#define B0111001 57
+#define B00111001 57
+#define B111010 58
+#define B0111010 58
+#define B00111010 58
+#define B111011 59
+#define B0111011 59
+#define B00111011 59
+#define B111100 60
+#define B0111100 60
+#define B00111100 60
+#define B111101 61
+#define B0111101 61
+#define B00111101 61
+#define B111110 62
+#define B0111110 62
+#define B00111110 62
+#define B111111 63
+#define B0111111 63
+#define B00111111 63
+#define B1000000 64
+#define B01000000 64
+#define B1000001 65
+#define B01000001 65
+#define B1000010 66
+#define B01000010 66
+#define B1000011 67
+#define B01000011 67
+#define B1000100 68
+#define B01000100 68
+#define B1000101 69
+#define B01000101 69
+#define B1000110 70
+#define B01000110 70
+#define B1000111 71
+#define B01000111 71
+#define B1001000 72
+#define B01001000 72
+#define B1001001 73
+#define B01001001 73
+#define B1001010 74
+#define B01001010 74
+#define B1001011 75
+#define B01001011 75
+#define B1001100 76
+#define B01001100 76
+#define B1001101 77
+#define B01001101 77
+#define B1001110 78
+#define B01001110 78
+#define B1001111 79
+#define B01001111 79
+#define B1010000 80
+#define B01010000 80
+#define B1010001 81
+#define B01010001 81
+#define B1010010 82
+#define B01010010 82
+#define B1010011 83
+#define B01010011 83
+#define B1010100 84
+#define B01010100 84
+#define B1010101 85
+#define B01010101 85
+#define B1010110 86
+#define B01010110 86
+#define B1010111 87
+#define B01010111 87
+#define B1011000 88
+#define B01011000 88
+#define B1011001 89
+#define B01011001 89
+#define B1011010 90
+#define B01011010 90
+#define B1011011 91
+#define B01011011 91
+#define B1011100 92
+#define B01011100 92
+#define B1011101 93
+#define B01011101 93
+#define B1011110 94
+#define B01011110 94
+#define B1011111 95
+#define B01011111 95
+#define B1100000 96
+#define B01100000 96
+#define B1100001 97
+#define B01100001 97
+#define B1100010 98
+#define B01100010 98
+#define B1100011 99
+#define B01100011 99
+#define B1100100 100
+#define B01100100 100
+#define B1100101 101
+#define B01100101 101
+#define B1100110 102
+#define B01100110 102
+#define B1100111 103
+#define B01100111 103
+#define B1101000 104
+#define B01101000 104
+#define B1101001 105
+#define B01101001 105
+#define B1101010 106
+#define B01101010 106
+#define B1101011 107
+#define B01101011 107
+#define B1101100 108
+#define B01101100 108
+#define B1101101 109
+#define B01101101 109
+#define B1101110 110
+#define B01101110 110
+#define B1101111 111
+#define B01101111 111
+#define B1110000 112
+#define B01110000 112
+#define B1110001 113
+#define B01110001 113
+#define B1110010 114
+#define B01110010 114
+#define B1110011 115
+#define B01110011 115
+#define B1110100 116
+#define B01110100 116
+#define B1110101 117
+#define B01110101 117
+#define B1110110 118
+#define B01110110 118
+#define B1110111 119
+#define B01110111 119
+#define B1111000 120
+#define B01111000 120
+#define B1111001 121
+#define B01111001 121
+#define B1111010 122
+#define B01111010 122
+#define B1111011 123
+#define B01111011 123
+#define B1111100 124
+#define B01111100 124
+#define B1111101 125
+#define B01111101 125
+#define B1111110 126
+#define B01111110 126
+#define B1111111 127
+#define B01111111 127
+#define B10000000 128
+#define B10000001 129
+#define B10000010 130
+#define B10000011 131
+#define B10000100 132
+#define B10000101 133
+#define B10000110 134
+#define B10000111 135
+#define B10001000 136
+#define B10001001 137
+#define B10001010 138
+#define B10001011 139
+#define B10001100 140
+#define B10001101 141
+#define B10001110 142
+#define B10001111 143
+#define B10010000 144
+#define B10010001 145
+#define B10010010 146
+#define B10010011 147
+#define B10010100 148
+#define B10010101 149
+#define B10010110 150
+#define B10010111 151
+#define B10011000 152
+#define B10011001 153
+#define B10011010 154
+#define B10011011 155
+#define B10011100 156
+#define B10011101 157
+#define B10011110 158
+#define B10011111 159
+#define B10100000 160
+#define B10100001 161
+#define B10100010 162
+#define B10100011 163
+#define B10100100 164
+#define B10100101 165
+#define B10100110 166
+#define B10100111 167
+#define B10101000 168
+#define B10101001 169
+#define B10101010 170
+#define B10101011 171
+#define B10101100 172
+#define B10101101 173
+#define B10101110 174
+#define B10101111 175
+#define B10110000 176
+#define B10110001 177
+#define B10110010 178
+#define B10110011 179
+#define B10110100 180
+#define B10110101 181
+#define B10110110 182
+#define B10110111 183
+#define B10111000 184
+#define B10111001 185
+#define B10111010 186
+#define B10111011 187
+#define B10111100 188
+#define B10111101 189
+#define B10111110 190
+#define B10111111 191
+#define B11000000 192
+#define B11000001 193
+#define B11000010 194
+#define B11000011 195
+#define B11000100 196
+#define B11000101 197
+#define B11000110 198
+#define B11000111 199
+#define B11001000 200
+#define B11001001 201
+#define B11001010 202
+#define B11001011 203
+#define B11001100 204
+#define B11001101 205
+#define B11001110 206
+#define B11001111 207
+#define B11010000 208
+#define B11010001 209
+#define B11010010 210
+#define B11010011 211
+#define B11010100 212
+#define B11010101 213
+#define B11010110 214
+#define B11010111 215
+#define B11011000 216
+#define B11011001 217
+#define B11011010 218
+#define B11011011 219
+#define B11011100 220
+#define B11011101 221
+#define B11011110 222
+#define B11011111 223
+#define B11100000 224
+#define B11100001 225
+#define B11100010 226
+#define B11100011 227
+#define B11100100 228
+#define B11100101 229
+#define B11100110 230
+#define B11100111 231
+#define B11101000 232
+#define B11101001 233
+#define B11101010 234
+#define B11101011 235
+#define B11101100 236
+#define B11101101 237
+#define B11101110 238
+#define B11101111 239
+#define B11110000 240
+#define B11110001 241
+#define B11110010 242
+#define B11110011 243
+#define B11110100 244
+#define B11110101 245
+#define B11110110 246
+#define B11110111 247
+#define B11111000 248
+#define B11111001 249
+#define B11111010 250
+#define B11111011 251
+#define B11111100 252
+#define B11111101 253
+#define B11111110 254
+#define B11111111 255
+
+#endif

Marlin/Marlin/Boards/cores/arduino/main.cpp

+#include <WProgram.h>
+
+int main(void)
+{
+	init();
+
+	setup();
+    
+	for (;;)
+		loop();
+        
+	return 0;
+}
+

Marlin/Marlin/Boards/cores/arduino/pins_arduino.c

+/*
+  pins_arduino.c - pin definitions for the Arduino board
+  Part of Arduino / Wiring Lite
+
+  Copyright (c) 2005 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: pins_arduino.c 254 2007-04-20 23:17:38Z mellis $
+*/
+
+#include <avr/io.h>
+#include "wiring_private.h"
+#include "pins_arduino.h"
+
+// On the Sanguino board, digital pins are also used
+// for the analog output (software PWM).  Analog input
+// pins are a separate set.
+
+// ATMEL ATMEGA644P / SANGUINO
+//
+//                   +---\/---+
+//  INT0 (D 0) PB0  1|        |40  PA0 (AI 0 / D31)
+//  INT1 (D 1) PB1  2|        |39  PA1 (AI 1 / D30)
+//  INT2 (D 2) PB2  3|        |38  PA2 (AI 2 / D29)
+//   PWM (D 3) PB3  4|        |37  PA3 (AI 3 / D28)
+//   PWM (D 4) PB4  5|        |36  PA4 (AI 4 / D27)
+//  MOSI (D 5) PB5  6|        |35  PA5 (AI 5 / D26)
+//  MISO (D 6) PB6  7|        |34  PA6 (AI 6 / D25)
+//   SCK (D 7) PB7  8|        |33  PA7 (AI 7 / D24)
+//             RST  9|        |32  AREF
+//             VCC 10|        |31  GND 
+//             GND 11|        |30  AVCC
+//           XTAL2 12|        |29  PC7 (D 23)
+//           XTAL1 13|        |28  PC6 (D 22)
+//  RX0 (D 8)  PD0 14|        |27  PC5 (D 21) TDI
+//  TX0 (D 9)  PD1 15|        |26  PC4 (D 20) TDO
+//  RX1 (D 10) PD2 16|        |25  PC3 (D 19) TMS
+//  TX1 (D 11) PD3 17|        |24  PC2 (D 18) TCK
+//  PWM (D 12) PD4 18|        |23  PC1 (D 17) SDA
+//  PWM (D 13) PD5 19|        |22  PC0 (D 16) SCL
+//  PWM (D 14) PD6 20|        |21  PD7 (D 15) PWM
+//                   +--------+
+//
+
+#define PA 1
+#define PB 2
+#define PC 3
+#define PD 4
+
+// these arrays map port names (e.g. port B) to the
+// appropriate addresses for various functions (e.g. reading
+// and writing)
+const uint8_t PROGMEM port_to_mode_PGM[] =
+{
+	NOT_A_PORT,
+	(uint8_t) (uint16_t) &DDRA,
+	(uint8_t) (uint16_t) &DDRB,
+	(uint8_t) (uint16_t) &DDRC,
+	(uint8_t) (uint16_t) &DDRD,
+};
+
+const uint8_t PROGMEM port_to_output_PGM[] =
+{
+	NOT_A_PORT,
+	(uint8_t) (uint16_t) &PORTA,
+	(uint8_t) (uint16_t) &PORTB,
+	(uint8_t) (uint16_t) &PORTC,
+	(uint8_t) (uint16_t) &PORTD,
+};
+
+const uint8_t PROGMEM port_to_input_PGM[] =
+{
+	NOT_A_PORT,
+	(uint8_t) (uint16_t) &PINA,
+	(uint8_t) (uint16_t) &PINB,
+	(uint8_t) (uint16_t) &PINC,
+	(uint8_t) (uint16_t) &PIND,
+};
+
+const uint8_t PROGMEM digital_pin_to_port_PGM[] =
+{
+	PB, /* 0 */
+	PB,
+	PB,
+	PB,
+	PB,
+	PB,
+	PB,
+	PB,
+	PD, /* 8 */
+	PD,
+	PD,
+	PD,
+	PD,
+	PD,
+	PD,
+	PD,
+	PC, /* 16 */
+	PC,
+	PC,
+	PC,
+	PC,
+	PC,
+   	PC,
+	PC,
+	PA, /* 24 */
+	PA,
+	PA,
+	PA,
+	PA,
+	PA,
+	PA,
+	PA  /* 31 */
+};
+
+const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] =
+{
+	_BV(0), /* 0, port B */
+	_BV(1),
+	_BV(2),
+	_BV(3),
+	_BV(4),
+	_BV(5),
+	_BV(6),
+	_BV(7),
+	_BV(0), /* 8, port D */
+	_BV(1),
+	_BV(2),
+	_BV(3),
+	_BV(4),
+	_BV(5),
+	_BV(6),
+	_BV(7),
+	_BV(0), /* 16, port C */
+	_BV(1),
+	_BV(2),
+	_BV(3),
+	_BV(4),
+	_BV(5),
+	_BV(6),
+	_BV(7),
+	_BV(7), /* 24, port A */
+	_BV(6),
+	_BV(5),
+	_BV(4),
+	_BV(3),
+	_BV(2),
+	_BV(1),
+	_BV(0)
+};
+
+const uint8_t PROGMEM digital_pin_to_timer_PGM[] =
+{
+	NOT_ON_TIMER, 	/* 0  - PB0 */
+	NOT_ON_TIMER, 	/* 1  - PB1 */
+	NOT_ON_TIMER, 	/* 2  - PB2 */
+	TIMER0A,     	/* 3  - PB3 */
+	TIMER0B, 		/* 4  - PB4 */
+	NOT_ON_TIMER, 	/* 5  - PB5 */
+	NOT_ON_TIMER, 	/* 6  - PB6 */
+	NOT_ON_TIMER,	/* 7  - PB7 */
+	NOT_ON_TIMER, 	/* 8  - PD0 */
+	NOT_ON_TIMER, 	/* 9  - PD1 */
+	NOT_ON_TIMER, 	/* 10 - PD2 */
+	NOT_ON_TIMER, 	/* 11 - PD3 */
+	TIMER1B,     	/* 12 - PD4 */
+	TIMER1A,     	/* 13 - PD5 */
+	TIMER2B,     	/* 14 - PD6 */
+	TIMER2A,     	/* 15 - PD7 */
+	NOT_ON_TIMER, 	/* 16 - PC0 */
+	NOT_ON_TIMER,   /* 17 - PC1 */
+	NOT_ON_TIMER,   /* 18 - PC2 */
+	NOT_ON_TIMER,   /* 19 - PC3 */
+	NOT_ON_TIMER,   /* 20 - PC4 */
+	NOT_ON_TIMER,   /* 21 - PC5 */
+	NOT_ON_TIMER,   /* 22 - PC6 */
+	NOT_ON_TIMER,   /* 23 - PC7 */
+	NOT_ON_TIMER,   /* 24 - PA0 */
+	NOT_ON_TIMER,   /* 25 - PA1 */
+	NOT_ON_TIMER,   /* 26 - PA2 */
+	NOT_ON_TIMER,   /* 27 - PA3 */
+	NOT_ON_TIMER,   /* 28 - PA4 */
+	NOT_ON_TIMER,   /* 29 - PA5 */
+	NOT_ON_TIMER,   /* 30 - PA6 */
+	NOT_ON_TIMER   /* 31 - PA7 */
+};

Marlin/Marlin/Boards/cores/arduino/pins_arduino.h

+/*
+  pins_arduino.h - Pin definition functions for Arduino
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2007 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
+*/
+
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <avr/pgmspace.h>
+
+#define NOT_A_PIN 0
+#define NOT_A_PORT 0
+
+#define NOT_ON_TIMER 0
+#define TIMER0A 1
+#define TIMER0B 2
+#define TIMER1A 3
+#define TIMER1B 4
+#define TIMER2  5
+#define TIMER2A 6
+#define TIMER2B 7
+
+extern const uint8_t PROGMEM port_to_mode_PGM[];
+extern const uint8_t PROGMEM port_to_input_PGM[];
+extern const uint8_t PROGMEM port_to_output_PGM[];
+
+extern const uint8_t PROGMEM digital_pin_to_port_PGM[];
+extern const uint8_t PROGMEM digital_pin_to_bit_PGM[];
+extern const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[];
+
+extern const uint8_t PROGMEM digital_pin_to_timer_PGM[];
+
+// Get the bit location within the hardware port of the given virtual pin.
+// This comes from the pins_*.c file for the active board configuration.
+// 
+// These perform slightly better as macros compared to inline functions
+//
+#define digitalPinToPort(P) ( pgm_read_byte( digital_pin_to_port_PGM + (P) ) )
+#define digitalPinToBitMask(P) ( pgm_read_byte( digital_pin_to_bit_mask_PGM + (P) ) )
+#define digitalPinToTimer(P) ( pgm_read_byte( digital_pin_to_timer_PGM + (P) ) )
+#define analogInPinToBit(P) (P)
+#define portOutputRegister(P) ( (volatile uint8_t *)( (uint16_t) pgm_read_byte( port_to_output_PGM + (P))) )
+#define portInputRegister(P) ( (volatile uint8_t *)( (uint16_t) pgm_read_byte( port_to_input_PGM + (P))) )
+#define portModeRegister(P) ( (volatile uint8_t *)( (uint16_t) pgm_read_byte( port_to_mode_PGM + (P))) )
+
+#endif

Marlin/Marlin/Boards/cores/arduino/wiring.c

+/*
+  wiring.c - Partial implementation of the Wiring API for the ATmega8.
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id$
+*/
+
+#include "wiring_private.h"
+
+// the prescaler is set so that timer0 ticks every 64 clock cycles, and the
+// the overflow handler is called every 256 ticks.
+#define MICROSECONDS_PER_TIMER0_OVERFLOW (clockCyclesToMicroseconds(64 * 256))
+
+// the whole number of milliseconds per timer0 overflow
+#define MILLIS_INC (MICROSECONDS_PER_TIMER0_OVERFLOW / 1000)
+
+// the fractional number of milliseconds per timer0 overflow. we shift right
+// by three to fit these numbers into a byte. (for the clock speeds we care
+// about - 8 and 16 MHz - this doesn't lose precision.)
+#define FRACT_INC ((MICROSECONDS_PER_TIMER0_OVERFLOW % 1000) >> 3)
+#define FRACT_MAX (1000 >> 3)
+
+volatile unsigned long timer0_overflow_count = 0;
+volatile unsigned long timer0_millis = 0;
+static unsigned char timer0_fract = 0;
+
+SIGNAL(TIMER0_OVF_vect)
+{
+	// copy these to local variables so they can be stored in registers
+	// (volatile variables must be read from memory on every access)
+	unsigned long m = timer0_millis;
+	unsigned char f = timer0_fract;
+
+	m += MILLIS_INC;
+	f += FRACT_INC;
+	if (f >= FRACT_MAX) {
+		f -= FRACT_MAX;
+		m += 1;
+	}
+
+	timer0_fract = f;
+	timer0_millis = m;
+	timer0_overflow_count++;
+}
+
+unsigned long millis()
+{
+	unsigned long m;
+	uint8_t oldSREG = SREG;
+
+	// disable interrupts while we read timer0_millis or we might get an
+	// inconsistent value (e.g. in the middle of a write to timer0_millis)
+	cli();
+	m = timer0_millis;
+	SREG = oldSREG;
+
+	return m;
+}
+
+unsigned long micros() {
+	unsigned long m;
+	uint8_t oldSREG = SREG, t;
+	
+	cli();
+	m = timer0_overflow_count;
+#if defined(TCNT0)
+	t = TCNT0;
+#elif defined(TCNT0L)
+	t = TCNT0L;
+#else
+	#error TIMER 0 not defined
+#endif
+
+  
+#ifdef TIFR0
+	if ((TIFR0 & _BV(TOV0)) && (t < 255))
+		m++;
+#else
+	if ((TIFR & _BV(TOV0)) && (t < 255))
+		m++;
+#endif
+
+	SREG = oldSREG;
+	
+	return ((m << 8) + t) * (64 / clockCyclesPerMicrosecond());
+}
+
+void delay(unsigned long ms)
+{
+	uint16_t start = (uint16_t)micros();
+
+	while (ms > 0) {
+		if (((uint16_t)micros() - start) >= 1000) {
+			ms--;
+			start += 1000;
+		}
+	}
+}
+
+/* Delay for the given number of microseconds.  Assumes a 8 or 16 MHz clock. */
+void delayMicroseconds(unsigned int us)
+{
+	// calling avrlib's delay_us() function with low values (e.g. 1 or
+	// 2 microseconds) gives delays longer than desired.
+	//delay_us(us);
+
+#if F_CPU >= 16000000L
+	// for the 16 MHz clock on most Arduino boards
+
+	// for a one-microsecond delay, simply return.  the overhead
+	// of the function call yields a delay of approximately 1 1/8 us.
+	if (--us == 0)
+		return;
+
+	// the following loop takes a quarter of a microsecond (4 cycles)
+	// per iteration, so execute it four times for each microsecond of
+	// delay requested.
+	us <<= 2;
+
+	// account for the time taken in the preceeding commands.
+	us -= 2;
+#else
+	// for the 8 MHz internal clock on the ATmega168
+
+	// for a one- or two-microsecond delay, simply return.  the overhead of
+	// the function calls takes more than two microseconds.  can't just
+	// subtract two, since us is unsigned; we'd overflow.
+	if (--us == 0)
+		return;
+	if (--us == 0)
+		return;
+
+	// the following loop takes half of a microsecond (4 cycles)
+	// per iteration, so execute it twice for each microsecond of
+	// delay requested.
+	us <<= 1;
+    
+	// partially compensate for the time taken by the preceeding commands.
+	// we can't subtract any more than this or we'd overflow w/ small delays.
+	us--;
+#endif
+
+	// busy wait
+	__asm__ __volatile__ (
+		"1: sbiw %0,1" "\n\t" // 2 cycles
+		"brne 1b" : "=w" (us) : "0" (us) // 2 cycles
+	);
+}
+
+void init()
+{
+	// this needs to be called before setup() or some functions won't
+	// work there
+	sei();
+	
+	// on the ATmega168, timer 0 is also used for fast hardware pwm
+	// (using phase-correct PWM would mean that timer 0 overflowed half as often
+	// resulting in different millis() behavior on the ATmega8 and ATmega168)
+#if defined(TCCR0A) && defined(WGM01)
+	sbi(TCCR0A, WGM01);
+	sbi(TCCR0A, WGM00);
+#endif  
+
+	// set timer 0 prescale factor to 64
+#if defined(__AVR_ATmega128__)
+	// CPU specific: different values for the ATmega128
+	sbi(TCCR0, CS02);
+#elif defined(TCCR0) && defined(CS01) && defined(CS00)
+	// this combination is for the standard atmega8
+	sbi(TCCR0, CS01);
+	sbi(TCCR0, CS00);
+#elif defined(TCCR0B) && defined(CS01) && defined(CS00)
+	// this combination is for the standard 168/328/1280/2560
+	sbi(TCCR0B, CS01);
+	sbi(TCCR0B, CS00);
+#elif defined(TCCR0A) && defined(CS01) && defined(CS00)
+	// this combination is for the __AVR_ATmega645__ series
+	sbi(TCCR0A, CS01);
+	sbi(TCCR0A, CS00);
+#else
+	#error Timer 0 prescale factor 64 not set correctly
+#endif
+
+	// enable timer 0 overflow interrupt
+#if defined(TIMSK) && defined(TOIE0)
+	sbi(TIMSK, TOIE0);
+#elif defined(TIMSK0) && defined(TOIE0)
+	sbi(TIMSK0, TOIE0);
+#else
+	#error	Timer 0 overflow interrupt not set correctly
+#endif
+
+	// timers 1 and 2 are used for phase-correct hardware pwm
+	// this is better for motors as it ensures an even waveform
+	// note, however, that fast pwm mode can achieve a frequency of up
+	// 8 MHz (with a 16 MHz clock) at 50% duty cycle
+
+	TCCR1B = 0;
+
+	// set timer 1 prescale factor to 64
+#if defined(TCCR1B) && defined(CS11) && defined(CS10)
+	sbi(TCCR1B, CS11);
+	sbi(TCCR1B, CS10);
+#elif defined(TCCR1) && defined(CS11) && defined(CS10)
+	sbi(TCCR1, CS11);
+	sbi(TCCR1, CS10);
+#endif
+	// put timer 1 in 8-bit phase correct pwm mode
+#if defined(TCCR1A) && defined(WGM10)
+	sbi(TCCR1A, WGM10);
+#elif defined(TCCR1)
+	#warning this needs to be finished
+#endif
+
+	// set timer 2 prescale factor to 64
+#if defined(TCCR2) && defined(CS22)
+	sbi(TCCR2, CS22);
+#elif defined(TCCR2B) && defined(CS22)
+	sbi(TCCR2B, CS22);
+#else
+	#warning Timer 2 not finished (may not be present on this CPU)
+#endif
+
+	// configure timer 2 for phase correct pwm (8-bit)
+#if defined(TCCR2) && defined(WGM20)
+	sbi(TCCR2, WGM20);
+#elif defined(TCCR2A) && defined(WGM20)
+	sbi(TCCR2A, WGM20);
+#else
+	#warning Timer 2 not finished (may not be present on this CPU)
+#endif
+
+#if defined(TCCR3B) && defined(CS31) && defined(WGM30)
+	sbi(TCCR3B, CS31);		// set timer 3 prescale factor to 64
+	sbi(TCCR3B, CS30);
+	sbi(TCCR3A, WGM30);		// put timer 3 in 8-bit phase correct pwm mode
+#endif
+	
+#if defined(TCCR4B) && defined(CS41) && defined(WGM40)
+	sbi(TCCR4B, CS41);		// set timer 4 prescale factor to 64
+	sbi(TCCR4B, CS40);
+	sbi(TCCR4A, WGM40);		// put timer 4 in 8-bit phase correct pwm mode
+#endif
+
+#if defined(TCCR5B) && defined(CS51) && defined(WGM50)
+	sbi(TCCR5B, CS51);		// set timer 5 prescale factor to 64
+	sbi(TCCR5B, CS50);
+	sbi(TCCR5A, WGM50);		// put timer 5 in 8-bit phase correct pwm mode
+#endif
+
+#if defined(ADCSRA)
+	// set a2d prescale factor to 128
+	// 16 MHz / 128 = 125 KHz, inside the desired 50-200 KHz range.
+	// XXX: this will not work properly for other clock speeds, and
+	// this code should use F_CPU to determine the prescale factor.
+	sbi(ADCSRA, ADPS2);
+	sbi(ADCSRA, ADPS1);
+	sbi(ADCSRA, ADPS0);
+
+	// enable a2d conversions
+	sbi(ADCSRA, ADEN);
+#endif
+
+	// the bootloader connects pins 0 and 1 to the USART; disconnect them
+	// here so they can be used as normal digital i/o; they will be
+	// reconnected in Serial.begin()
+#if defined(UCSRB)
+	UCSRB = 0;
+#elif defined(UCSR0B)
+	UCSR0B = 0;
+#endif
+}

Marlin/Marlin/Boards/cores/arduino/wiring.h

+/*
+  wiring.h - Partial implementation of the Wiring API for the ATmega8.
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id$
+*/
+
+#ifndef Wiring_h
+#define Wiring_h
+
+#include <math.h>
+#include <avr/io.h>
+#include <stdlib.h>
+#include "binary.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#define HIGH 0x1
+#define LOW  0x0
+
+#define INPUT 0x0
+#define OUTPUT 0x1
+
+#define true 0x1
+#define false 0x0
+
+#define PI 3.1415926535897932384626433832795
+#define HALF_PI 1.5707963267948966192313216916398
+#define TWO_PI 6.283185307179586476925286766559
+#define DEG_TO_RAD 0.017453292519943295769236907684886
+#define RAD_TO_DEG 57.295779513082320876798154814105
+
+#define SERIAL  0x0
+#define DISPLAY 0x1
+
+#define LSBFIRST 0
+#define MSBFIRST 1
+
+#define CHANGE 1
+#define FALLING 2
+#define RISING 3
+
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#define INTERNAL1V1 2
+#define INTERNAL2V56 3
+#else
+#define INTERNAL 3
+#endif
+#define DEFAULT 1
+#define EXTERNAL 0
+
+// undefine stdlib's abs if encountered
+#ifdef abs
+#undef abs
+#endif
+
+#define min(a,b) ((a)<(b)?(a):(b))
+#define max(a,b) ((a)>(b)?(a):(b))
+#define abs(x) ((x)>0?(x):-(x))
+#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
+#define round(x)     ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
+#define radians(deg) ((deg)*DEG_TO_RAD)
+#define degrees(rad) ((rad)*RAD_TO_DEG)
+#define sq(x) ((x)*(x))
+
+#define interrupts() sei()
+#define noInterrupts() cli()
+
+#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L )
+#define clockCyclesToMicroseconds(a) ( ((a) * 1000L) / (F_CPU / 1000L) )
+#define microsecondsToClockCycles(a) ( ((a) * (F_CPU / 1000L)) / 1000L )
+
+#define lowByte(w) ((uint8_t) ((w) & 0xff))
+#define highByte(w) ((uint8_t) ((w) >> 8))
+
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitSet(value, bit) ((value) |= (1UL << (bit)))
+#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
+#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
+
+
+typedef unsigned int word;
+
+#define bit(b) (1UL << (b))
+
+typedef uint8_t boolean;
+typedef uint8_t byte;
+
+void init(void);
+
+void pinMode(uint8_t, uint8_t);
+void digitalWrite(uint8_t, uint8_t);
+int digitalRead(uint8_t);
+int analogRead(uint8_t);
+void analogReference(uint8_t mode);
+void analogWrite(uint8_t, int);
+
+unsigned long millis(void);
+unsigned long micros(void);
+void delay(unsigned long);
+void delayMicroseconds(unsigned int us);
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout);
+
+void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
+uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder);
+
+void attachInterrupt(uint8_t, void (*)(void), int mode);
+void detachInterrupt(uint8_t);
+
+void setup(void);
+void loop(void);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif

Marlin/Marlin/Boards/cores/arduino/wiring_analog.c

+/*
+  wiring_analog.c - analog input and output
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  Modified 28 September 2010 by Mark Sproul
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wiring_private.h"
+#include "pins_arduino.h"
+
+uint8_t analog_reference = DEFAULT;
+
+void analogReference(uint8_t mode)
+{
+	// can't actually set the register here because the default setting
+	// will connect AVCC and the AREF pin, which would cause a short if
+	// there's something connected to AREF.
+	analog_reference = mode;
+}
+
+int analogRead(uint8_t pin)
+{
+	uint8_t low, high;
+
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+	if (pin >= 54) pin -= 54; // allow for channel or pin numbers
+#else
+	if (pin >= 14) pin -= 14; // allow for channel or pin numbers
+#endif
+
+#if defined(ADCSRB) && defined(MUX5)
+	// the MUX5 bit of ADCSRB selects whether we're reading from channels
+	// 0 to 7 (MUX5 low) or 8 to 15 (MUX5 high).
+	ADCSRB = (ADCSRB & ~(1 << MUX5)) | (((pin >> 3) & 0x01) << MUX5);
+#endif
+  
+	// set the analog reference (high two bits of ADMUX) and select the
+	// channel (low 4 bits).  this also sets ADLAR (left-adjust result)
+	// to 0 (the default).
+#if defined(ADMUX)
+	ADMUX = (analog_reference << 6) | (pin & 0x07);
+#endif
+
+	// without a delay, we seem to read from the wrong channel
+	//delay(1);
+
+#if defined(ADCSRA) && defined(ADCL)
+	// start the conversion
+	sbi(ADCSRA, ADSC);
+
+	// ADSC is cleared when the conversion finishes
+	while (bit_is_set(ADCSRA, ADSC));
+
+	// we have to read ADCL first; doing so locks both ADCL
+	// and ADCH until ADCH is read.  reading ADCL second would
+	// cause the results of each conversion to be discarded,
+	// as ADCL and ADCH would be locked when it completed.
+	low  = ADCL;
+	high = ADCH;
+#else
+	// we dont have an ADC, return 0
+	low  = 0;
+	high = 0;
+#endif
+
+	// combine the two bytes
+	return (high << 8) | low;
+}
+
+// Right now, PWM output only works on the pins with
+// hardware support.  These are defined in the appropriate
+// pins_*.c file.  For the rest of the pins, we default
+// to digital output.
+void analogWrite(uint8_t pin, int val)
+{
+	// We need to make sure the PWM output is enabled for those pins
+	// that support it, as we turn it off when digitally reading or
+	// writing with them.  Also, make sure the pin is in output mode
+	// for consistenty with Wiring, which doesn't require a pinMode
+	// call for the analog output pins.
+	pinMode(pin, OUTPUT);
+	if (val == 0)
+	{
+		digitalWrite(pin, LOW);
+	}
+	else if (val == 255)
+	{
+		digitalWrite(pin, HIGH);
+	}
+	else
+	{
+		switch(digitalPinToTimer(pin))
+		{
+			// XXX fix needed for atmega8
+			#if defined(TCCR0) && defined(COM00) && !defined(__AVR_ATmega8__)
+			case TIMER0A:
+				// connect pwm to pin on timer 0
+				sbi(TCCR0, COM00);
+				OCR0 = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR0A) && defined(COM0A1)
+			case TIMER0A:
+				// connect pwm to pin on timer 0, channel A
+				sbi(TCCR0A, COM0A1);
+				OCR0A = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR0A) && defined(COM0B1)
+			case TIMER0B:
+				// connect pwm to pin on timer 0, channel B
+				sbi(TCCR0A, COM0B1);
+				OCR0B = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR1A) && defined(COM1A1)
+			case TIMER1A:
+				// connect pwm to pin on timer 1, channel A
+				sbi(TCCR1A, COM1A1);
+				OCR1A = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR1A) && defined(COM1B1)
+			case TIMER1B:
+				// connect pwm to pin on timer 1, channel B
+				sbi(TCCR1A, COM1B1);
+				OCR1B = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR2) && defined(COM21)
+			case TIMER2:
+				// connect pwm to pin on timer 2
+				sbi(TCCR2, COM21);
+				OCR2 = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR2A) && defined(COM2A1)
+			case TIMER2A:
+				// connect pwm to pin on timer 2, channel A
+				sbi(TCCR2A, COM2A1);
+				OCR2A = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR2A) && defined(COM2B1)
+			case TIMER2B:
+				// connect pwm to pin on timer 2, channel B
+				sbi(TCCR2A, COM2B1);
+				OCR2B = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR3A) && defined(COM3A1)
+			case TIMER3A:
+				// connect pwm to pin on timer 3, channel A
+				sbi(TCCR3A, COM3A1);
+				OCR3A = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR3A) && defined(COM3B1)
+			case TIMER3B:
+				// connect pwm to pin on timer 3, channel B
+				sbi(TCCR3A, COM3B1);
+				OCR3B = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR3A) && defined(COM3C1)
+			case TIMER3C:
+				// connect pwm to pin on timer 3, channel C
+				sbi(TCCR3A, COM3C1);
+				OCR3C = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR4A) && defined(COM4A1)
+			case TIMER4A:
+				// connect pwm to pin on timer 4, channel A
+				sbi(TCCR4A, COM4A1);
+				OCR4A = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR4A) && defined(COM4B1)
+			case TIMER4B:
+				// connect pwm to pin on timer 4, channel B
+				sbi(TCCR4A, COM4B1);
+				OCR4B = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR4A) && defined(COM4C1)
+			case TIMER4C:
+				// connect pwm to pin on timer 4, channel C
+				sbi(TCCR4A, COM4C1);
+				OCR4C = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR5A) && defined(COM5A1)
+			case TIMER5A:
+				// connect pwm to pin on timer 5, channel A
+				sbi(TCCR5A, COM5A1);
+				OCR5A = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR5A) && defined(COM5B1)
+			case TIMER5B:
+				// connect pwm to pin on timer 5, channel B
+				sbi(TCCR5A, COM5B1);
+				OCR5B = val; // set pwm duty
+				break;
+			#endif
+
+			#if defined(TCCR5A) && defined(COM5C1)
+			case TIMER5C:
+				// connect pwm to pin on timer 5, channel C
+				sbi(TCCR5A, COM5C1);
+				OCR5C = val; // set pwm duty
+				break;
+			#endif
+
+			case NOT_ON_TIMER:
+			default:
+				if (val < 128) {
+					digitalWrite(pin, LOW);
+				} else {
+					digitalWrite(pin, HIGH);
+				}
+		}
+	}
+}

Marlin/Marlin/Boards/cores/arduino/wiring_digital.c

+/*
+  wiring_digital.c - digital input and output functions
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  Modified 28 September 2010 by Mark Sproul
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wiring_private.h"
+#include "pins_arduino.h"
+
+void pinMode(uint8_t pin, uint8_t mode)
+{
+	uint8_t bit = digitalPinToBitMask(pin);
+	uint8_t port = digitalPinToPort(pin);
+	volatile uint8_t *reg;
+
+	if (port == NOT_A_PIN) return;
+
+	// JWS: can I let the optimizer do this?
+	reg = portModeRegister(port);
+
+	if (mode == INPUT) { 
+		uint8_t oldSREG = SREG;
+                cli();
+		*reg &= ~bit;
+		SREG = oldSREG;
+	} else {
+		uint8_t oldSREG = SREG;
+                cli();
+		*reg |= bit;
+		SREG = oldSREG;
+	}
+}
+
+// Forcing this inline keeps the callers from having to push their own stuff
+// on the stack. It is a good performance win and only takes 1 more byte per
+// user than calling. (It will take more bytes on the 168.)
+//
+// But shouldn't this be moved into pinMode? Seems silly to check and do on
+// each digitalread or write.
+//
+// Mark Sproul:
+// - Removed inline. Save 170 bytes on atmega1280
+// - changed to a switch statment; added 32 bytes but much easier to read and maintain.
+// - Added more #ifdefs, now compiles for atmega645
+//
+//static inline void turnOffPWM(uint8_t timer) __attribute__ ((always_inline));
+//static inline void turnOffPWM(uint8_t timer)
+static void turnOffPWM(uint8_t timer)
+{
+	switch (timer)
+	{
+		#if defined(TCCR1A) && defined(COM1A1)
+		case TIMER1A:   cbi(TCCR1A, COM1A1);    break;
+		#endif
+		#if defined(TCCR1A) && defined(COM1B1)
+		case TIMER1B:   cbi(TCCR1A, COM1B1);    break;
+		#endif
+		
+		#if defined(TCCR2) && defined(COM21)
+		case  TIMER2:   cbi(TCCR2, COM21);      break;
+		#endif
+		
+		#if defined(TCCR0A) && defined(COM0A1)
+		case  TIMER0A:  cbi(TCCR0A, COM0A1);    break;
+		#endif
+		
+		#if defined(TIMER0B) && defined(COM0B1)
+		case  TIMER0B:  cbi(TCCR0A, COM0B1);    break;
+		#endif
+		#if defined(TCCR2A) && defined(COM2A1)
+		case  TIMER2A:  cbi(TCCR2A, COM2A1);    break;
+		#endif
+		#if defined(TCCR2A) && defined(COM2B1)
+		case  TIMER2B:  cbi(TCCR2A, COM2B1);    break;
+		#endif
+		
+		#if defined(TCCR3A) && defined(COM3A1)
+		case  TIMER3A:  cbi(TCCR3A, COM3A1);    break;
+		#endif
+		#if defined(TCCR3A) && defined(COM3B1)
+		case  TIMER3B:  cbi(TCCR3A, COM3B1);    break;
+		#endif
+		#if defined(TCCR3A) && defined(COM3C1)
+		case  TIMER3C:  cbi(TCCR3A, COM3C1);    break;
+		#endif
+
+		#if defined(TCCR4A) && defined(COM4A1)
+		case  TIMER4A:  cbi(TCCR4A, COM4A1);    break;
+		#endif
+		#if defined(TCCR4A) && defined(COM4B1)
+		case  TIMER4B:  cbi(TCCR4A, COM4B1);    break;
+		#endif
+		#if defined(TCCR4A) && defined(COM4C1)
+		case  TIMER4C:  cbi(TCCR4A, COM4C1);    break;
+		#endif
+		#if defined(TCCR5A)
+		case  TIMER5A:  cbi(TCCR5A, COM5A1);    break;
+		case  TIMER5B:  cbi(TCCR5A, COM5B1);    break;
+		case  TIMER5C:  cbi(TCCR5A, COM5C1);    break;
+		#endif
+	}
+}
+
+void digitalWrite(uint8_t pin, uint8_t val)
+{
+	uint8_t timer = digitalPinToTimer(pin);
+	uint8_t bit = digitalPinToBitMask(pin);
+	uint8_t port = digitalPinToPort(pin);
+	volatile uint8_t *out;
+
+	if (port == NOT_A_PIN) return;
+
+	// If the pin that support PWM output, we need to turn it off
+	// before doing a digital write.
+	if (timer != NOT_ON_TIMER) turnOffPWM(timer);
+
+	out = portOutputRegister(port);
+
+	if (val == LOW) {
+		uint8_t oldSREG = SREG;
+                cli();
+		*out &= ~bit;
+		SREG = oldSREG;
+	} else {
+		uint8_t oldSREG = SREG;
+                cli();
+		*out |= bit;
+		SREG = oldSREG;
+	}
+}
+
+int digitalRead(uint8_t pin)
+{
+	uint8_t timer = digitalPinToTimer(pin);
+	uint8_t bit = digitalPinToBitMask(pin);
+	uint8_t port = digitalPinToPort(pin);
+
+	if (port == NOT_A_PIN) return LOW;
+
+	// If the pin that support PWM output, we need to turn it off
+	// before getting a digital reading.
+	if (timer != NOT_ON_TIMER) turnOffPWM(timer);
+
+	if (*portInputRegister(port) & bit) return HIGH;
+	return LOW;
+}

Marlin/Marlin/Boards/cores/arduino/wiring_private.h

+/*
+  wiring_private.h - Internal header file.
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.h 239 2007-01-12 17:58:39Z mellis $
+*/
+
+#ifndef WiringPrivate_h
+#define WiringPrivate_h
+#include <math.h>
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "wiring.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#ifndef cbi
+#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+#endif
+#ifndef sbi
+#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#endif
+
+#define EXTERNAL_INT_0 0
+#define EXTERNAL_INT_1 1
+#define EXTERNAL_INT_2 2
+#define EXTERNAL_INT_3 3
+#define EXTERNAL_INT_4 4
+#define EXTERNAL_INT_5 5
+#define EXTERNAL_INT_6 6
+#define EXTERNAL_INT_7 7
+
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#define EXTERNAL_NUM_INTERRUPTS 8
+#else
+#define EXTERNAL_NUM_INTERRUPTS 2
+#endif
+
+typedef void (*voidFuncPtr)(void);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif

Marlin/Marlin/Boards/cores/arduino/wiring_pulse.c

+/*
+  wiring_pulse.c - pulseIn() function
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wiring_private.h"
+#include "pins_arduino.h"
+
+/* Measures the length (in microseconds) of a pulse on the pin; state is HIGH
+ * or LOW, the type of pulse to measure.  Works on pulses from 2-3 microseconds
+ * to 3 minutes in length, but must be called at least a few dozen microseconds
+ * before the start of the pulse. */
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout)
+{
+	// cache the port and bit of the pin in order to speed up the
+	// pulse width measuring loop and achieve finer resolution.  calling
+	// digitalRead() instead yields much coarser resolution.
+	uint8_t bit = digitalPinToBitMask(pin);
+	uint8_t port = digitalPinToPort(pin);
+	uint8_t stateMask = (state ? bit : 0);
+	unsigned long width = 0; // keep initialization out of time critical area
+	
+	// convert the timeout from microseconds to a number of times through
+	// the initial loop; it takes 16 clock cycles per iteration.
+	unsigned long numloops = 0;
+	unsigned long maxloops = microsecondsToClockCycles(timeout) / 16;
+	
+	// wait for any previous pulse to end
+	while ((*portInputRegister(port) & bit) == stateMask)
+		if (numloops++ == maxloops)
+			return 0;
+	
+	// wait for the pulse to start
+	while ((*portInputRegister(port) & bit) != stateMask)
+		if (numloops++ == maxloops)
+			return 0;
+	
+	// wait for the pulse to stop
+	while ((*portInputRegister(port) & bit) == stateMask) {
+		if (numloops++ == maxloops)
+			return 0;
+		width++;
+	}
+
+	// convert the reading to microseconds. The loop has been determined
+	// to be 20 clock cycles long and have about 16 clocks between the edge
+	// and the start of the loop. There will be some error introduced by
+	// the interrupt handlers.
+	return clockCyclesToMicroseconds(width * 21 + 16); 
+}

Marlin/Marlin/Boards/cores/arduino/wiring_shift.c

+/*
+  wiring_shift.c - shiftOut() function
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wiring_private.h"
+
+uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder) {
+	uint8_t value = 0;
+	uint8_t i;
+
+	for (i = 0; i < 8; ++i) {
+		digitalWrite(clockPin, HIGH);
+		if (bitOrder == LSBFIRST)
+			value |= digitalRead(dataPin) << i;
+		else
+			value |= digitalRead(dataPin) << (7 - i);
+		digitalWrite(clockPin, LOW);
+	}
+	return value;
+}
+
+void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val)
+{
+	uint8_t i;
+
+	for (i = 0; i < 8; i++)  {
+		if (bitOrder == LSBFIRST)
+			digitalWrite(dataPin, !!(val & (1 << i)));
+		else	
+			digitalWrite(dataPin, !!(val & (1 << (7 - i))));
+			
+		digitalWrite(clockPin, HIGH);
+		digitalWrite(clockPin, LOW);		
+	}
+}

Marlin/Marlin/COPYING

+GNU GENERAL PUBLIC LICENSE
+
+Version 3, 29 June 2007
+
+Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/>
+
+Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
+Preamble
+
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+
+The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. We, the Free Software Foundation, use the GNU General Public License for most of our software; it applies also to any other work released this way by its authors. You can apply it to your programs, too.
+
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+
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+
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+1. Source Code.
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+4. Conveying Verbatim Copies.
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+6. Conveying Non-Source Forms.
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+7. Additional Terms.
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+
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+
+Later license versions may give you additional or different permissions. However, no additional obligations are imposed on any author or copyright holder as a result of your choosing to follow a later version.
+15. Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+16. Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms, reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program, unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee.
+

Marlin/Marlin/Configuration.h

+#ifndef CONFIGURATION_H
+#define CONFIGURATION_H
+
+// This configurtion file contains the basic settings.
+// Advanced settings can be found in Configuration_adv.h 
+// BASIC SETTINGS: select your board type, temperature sensor type, axis scaling, and endstop configuration
+
+//User specified version info of THIS file to display in [Pronterface, etc] terminal window during startup.
+//Implementation of an idea by Prof Braino to inform user that any changes made
+//to THIS file by the user have been successfully uploaded into firmware.
+#define STRING_VERSION_CONFIG_H "2012-05-02" //Personal revision number for changes to THIS file.
+#define STRING_CONFIG_H_AUTHOR "erik" //Who made the changes.
+
+// This determines the communication speed of the printer
+#define BAUDRATE 250000
+//#define BAUDRATE 115200
+
+//// The following define selects which electronics board you have. Please choose the one that matches your setup
+// Gen7 custom (Alfons3 Version) = 10 "https://github.com/Alfons3/Generation_7_Electronics"
+// Gen7 v1.1, v1.2 = 11
+// Gen7 v1.3 = 12
+// Gen7 v1.4 = 13
+// MEGA/RAMPS up to 1.2 = 3
+// RAMPS 1.3 = 33 (Power outputs: Extruder, Bed, Fan)
+// RAMPS 1.3 = 34 (Power outputs: Extruder0, Extruder1, Bed)
+// Gen6 = 5
+// Gen6 deluxe = 51
+// Sanguinololu 1.2 and above = 62
+// Melzi = 63
+// Ultimaker = 7
+// Teensylu = 8
+// Gen3+ =9
+
+#ifndef MOTHERBOARD
+#define MOTHERBOARD 7
+#endif
+
+
+
+//===========================================================================
+//=============================Thermal Settings  ============================
+//===========================================================================
+//
+//--NORMAL IS 4.7kohm PULLUP!-- 1kohm pullup can be used on hotend sensor, using correct resistor and table
+//
+//// Temperature sensor settings:
+// -2 is thermocouple with MAX6675 (only for sensor 0)
+// -1 is thermocouple with AD595
+// 0 is not used
+// 1 is 100k thermistor - best choice for EPCOS 100k (4.7k pullup)
+// 2 is 200k thermistor - ATC Semitec 204GT-2 (4.7k pullup)
+// 3 is mendel-parts thermistor (4.7k pullup)
+// 4 is 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!
+// 5 is 100K thermistor - ATC Semitec 104GT-2 (Used in ParCan) (4.7k pullup)
+// 6 is 100k EPCOS - Not as accurate as table 1 (created using a fluke thermocouple) (4.7k pullup)
+// 7 is 100k Honeywell thermistor 135-104LAG-J01 (4.7k pullup)
+//
+//    1k ohm pullup tables - This is not normal, you would have to have changed out your 4.7k for 1k 
+//                          (but gives greater accuracy and more stable PID)
+// 51 is 100k thermistor - EPCOS (1k pullup)
+// 52 is 200k thermistor - ATC Semitec 204GT-2 (1k pullup)
+// 55 is 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan) (1k pullup)
+
+#define TEMP_SENSOR_0 -1
+#define TEMP_SENSOR_1 0
+#define TEMP_SENSOR_2 0
+#define TEMP_SENSOR_BED 0
+
+// Actual temperature must be close to target for this long before M109 returns success
+#define TEMP_RESIDENCY_TIME 10	// (seconds)
+#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
+#define TEMP_WINDOW     1       // (degC) Window around target to start the recidency timer x degC early.
+
+// The minimal temperature defines the temperature below which the heater will not be enabled It is used
+// to check that the wiring to the thermistor is not broken. 
+// Otherwise this would lead to the heater being powered on all the time.
+#define HEATER_0_MINTEMP 5
+#define HEATER_1_MINTEMP 5
+#define HEATER_2_MINTEMP 5
+#define BED_MINTEMP 5
+
+// When temperature exceeds max temp, your heater will be switched off.
+// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
+// You should use MINTEMP for thermistor short/failure protection.
+#define HEATER_0_MAXTEMP 275
+#define HEATER_1_MAXTEMP 275
+#define HEATER_2_MAXTEMP 275
+#define BED_MAXTEMP 150
+
+// If your bed has low resistance e.g. .6 ohm and throws the fuse you can duty cycle it to reduce the
+// average current. The value should be an integer and the heat bed will be turned on for 1 interval of
+// HEATER_BED_DUTY_CYCLE_DIVIDER intervals.
+//#define HEATER_BED_DUTY_CYCLE_DIVIDER 4
+
+// PID settings:
+// Comment the following line to disable PID and enable bang-bang.
+#define PIDTEMP
+#define PID_MAX 255 // limits current to nozzle; 255=full current
+#ifdef PIDTEMP
+  //#define PID_DEBUG // Sends debug data to the serial port. 
+  //#define PID_OPENLOOP 1 // Puts PID in open loop. M104 sets the output power in %
+  #define PID_INTEGRAL_DRIVE_MAX 255  //limit for the integral term
+  #define K1 0.95 //smoothing factor withing the PID
+  #define PID_dT ((16.0 * 8.0)/(F_CPU / 64.0 / 256.0)) //sampling period of the
+
+// If you are using a preconfigured hotend then you can use one of the value sets by uncommenting it
+// Ultimaker
+    #define  DEFAULT_Kp 22.2
+    #define  DEFAULT_Ki 1.08  
+    #define  DEFAULT_Kd 114  
+
+// Makergear
+//    #define  DEFAULT_Kp 7.0
+//    #define  DEFAULT_Ki 0.1  
+//    #define  DEFAULT_Kd 12  
+
+// Mendel Parts V9 on 12V    
+//    #define  DEFAULT_Kp 63.0
+//    #define  DEFAULT_Ki 2.25
+//    #define  DEFAULT_Kd 440
+#endif // PIDTEMP
+
+//this prevents dangerous Extruder moves, i.e. if the temperature is under the limit
+//can be software-disabled for whatever purposes by
+#define PREVENT_DANGEROUS_EXTRUDE
+//if PREVENT_DANGEROUS_EXTRUDE is on, you can still disable (uncomment) very long bits of extrusion separately.
+#define PREVENT_LENGTHY_EXTRUDE
+
+#define EXTRUDE_MINTEMP 170
+#define EXTRUDE_MAXLENGTH (X_MAX_LENGTH+Y_MAX_LENGTH) //prevent extrusion of very large distances.
+
+//===========================================================================
+//=============================Mechanical Settings===========================
+//===========================================================================
+
+// Uncomment the following line to enable CoreXY kinematics
+// #define COREXY
+
+// corse Endstop Settings
+#define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
+
+#ifndef ENDSTOPPULLUPS
+  // fine Enstop settings: Individual Pullups. will be ignord if ENDSTOPPULLUPS is defined
+  #define ENDSTOPPULLUP_XMAX
+  #define ENDSTOPPULLUP_YMAX
+  #define ENDSTOPPULLUP_ZMAX
+  #define ENDSTOPPULLUP_XMIN
+  #define ENDSTOPPULLUP_YMIN
+  //#define ENDSTOPPULLUP_ZMIN
+#endif
+
+#ifdef ENDSTOPPULLUPS
+  #define ENDSTOPPULLUP_XMAX
+  #define ENDSTOPPULLUP_YMAX
+  #define ENDSTOPPULLUP_ZMAX
+  #define ENDSTOPPULLUP_XMIN
+  #define ENDSTOPPULLUP_YMIN
+  #define ENDSTOPPULLUP_ZMIN
+#endif
+
+// The pullups are needed if you directly connect a mechanical endswitch between the signal and ground pins.
+const bool X_ENDSTOPS_INVERTING = true; // set to true to invert the logic of the endstops. 
+const bool Y_ENDSTOPS_INVERTING = true; // set to true to invert the logic of the endstops. 
+const bool Z_ENDSTOPS_INVERTING = true; // set to true to invert the logic of the endstops. 
+//#define DISABLE_MAX_ENDSTOPS
+
+// For Inverting Stepper Enable Pins (Active Low) use 0, Non Inverting (Active High) use 1
+#define X_ENABLE_ON 0
+#define Y_ENABLE_ON 0
+#define Z_ENABLE_ON 0
+#define E_ENABLE_ON 0 // For all extruders
+
+// Disables axis when it's not being used.
+#define DISABLE_X false
+#define DISABLE_Y false
+#define DISABLE_Z false
+#define DISABLE_E false // For all extruders
+
+#define INVERT_X_DIR true    // for Mendel set to false, for Orca set to true
+#define INVERT_Y_DIR false    // for Mendel set to true, for Orca set to false
+#define INVERT_Z_DIR true     // for Mendel set to false, for Orca set to true
+#define INVERT_E0_DIR false   // for direct drive extruder v9 set to true, for geared extruder set to false
+#define INVERT_E1_DIR false    // for direct drive extruder v9 set to true, for geared extruder set to false
+#define INVERT_E2_DIR false   // for direct drive extruder v9 set to true, for geared extruder set to false
+
+// ENDSTOP SETTINGS:
+// Sets direction of endstops when homing; 1=MAX, -1=MIN
+#define X_HOME_DIR -1
+#define Y_HOME_DIR -1
+#define Z_HOME_DIR -1
+
+#define min_software_endstops true //If true, axis won't move to coordinates less than HOME_POS.
+#define max_software_endstops true  //If true, axis won't move to coordinates greater than the defined lengths below.
+// Travel limits after homing
+#define X_MAX_POS 205
+#define X_MIN_POS 0
+#define Y_MAX_POS 205
+#define Y_MIN_POS 0
+#define Z_MAX_POS 200
+#define Z_MIN_POS 0
+
+#define X_MAX_LENGTH (X_MAX_POS - X_MIN_POS)
+#define Y_MAX_LENGTH (Y_MAX_POS - Y_MIN_POS)
+#define Z_MAX_LENGTH (Z_MAX_POS - Z_MIN_POS)
+
+// The position of the homing switches. Use MAX_LENGTH * -0.5 if the center should be 0, 0, 0
+#define X_HOME_POS 0
+#define Y_HOME_POS 0
+#define Z_HOME_POS 0
+
+//// MOVEMENT SETTINGS
+#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+#define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0}  // set the homing speeds (mm/min)
+
+// default settings 
+
+#define DEFAULT_AXIS_STEPS_PER_UNIT   {78.7402,78.7402,200*8/3,760*1.1}  // default steps per unit for ultimaker 
+#define DEFAULT_MAX_FEEDRATE          {500, 500, 5, 45}    // (mm/sec)    
+#define DEFAULT_MAX_ACCELERATION      {9000,9000,100,10000}    // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for skeinforge 40+, for older versions raise them a lot.
+
+#define DEFAULT_ACCELERATION          3000    // X, Y, Z and E max acceleration in mm/s^2 for printing moves 
+#define DEFAULT_RETRACT_ACCELERATION  3000   // X, Y, Z and E max acceleration in mm/s^2 for r retracts
+
+// 
+#define DEFAULT_XYJERK                20.0    // (mm/sec)
+#define DEFAULT_ZJERK                 0.4     // (mm/sec)
+#define DEFAULT_EJERK                 5.0    // (mm/sec)
+
+//===========================================================================
+//=============================Additional Features===========================
+//===========================================================================
+
+// EEPROM
+// the microcontroller can store settings in the EEPROM, e.g. max velocity...
+// M500 - stores paramters in EEPROM
+// M501 - reads parameters from EEPROM (if you need reset them after you changed them temporarily).  
+// M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
+//define this to enable eeprom support
+//#define EEPROM_SETTINGS
+//to disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+// please keep turned on if you can.
+//#define EEPROM_CHITCHAT
+
+//LCD and SD support
+//#define ULTRA_LCD  //general lcd support, also 16x2
+//#define SDSUPPORT // Enable SD Card Support in Hardware Console
+
+//#define ULTIMAKERCONTROLLER //as available from the ultimaker online store.
+//#define ULTIPANEL  //the ultipanel as on thingiverse
+
+
+#ifdef ULTIMAKERCONTROLLER    //automatic expansion
+ #define ULTIPANEL
+ #define NEWPANEL
+#endif 
+ 
+
+#ifdef ULTIPANEL
+//  #define NEWPANEL  //enable this if you have a click-encoder panel
+  #define SDSUPPORT
+  #define ULTRA_LCD
+  #define LCD_WIDTH 20
+  #define LCD_HEIGHT 4
+  
+// Preheat Constants
+  #define PLA_PREHEAT_HOTEND_TEMP 180 
+  #define PLA_PREHEAT_HPB_TEMP 70
+  #define PLA_PREHEAT_FAN_SPEED 255		// Insert Value between 0 and 255
+
+  #define ABS_PREHEAT_HOTEND_TEMP 240
+  #define ABS_PREHEAT_HPB_TEMP 100
+  #define ABS_PREHEAT_FAN_SPEED 255		// Insert Value between 0 and 255
+
+#else //no panel but just lcd 
+  #ifdef ULTRA_LCD
+    #define LCD_WIDTH 16
+    #define LCD_HEIGHT 2    
+  #endif
+#endif
+
+// Increase the FAN pwm frequency. Removes the PWM noise but increases heating in the FET/Arduino
+//#define FAST_PWM_FAN
+
+// M240  Triggers a camera by emulating a Canon RC-1 Remote
+// Data from: http://www.doc-diy.net/photo/rc-1_hacked/
+// #define PHOTOGRAPH_PIN     23
+
+// SF send wrong arc g-codes when using Arc Point as fillet procedure
+//#define SF_ARC_FIX
+
+#include "Configuration_adv.h"
+#include "thermistortables.h"
+
+#endif //__CONFIGURATION_H

Marlin/Marlin/Configuration_adv.h

+#ifndef CONFIGURATION_ADV_H
+#define CONFIGURATION_ADV_H
+
+//===========================================================================
+//=============================Thermal Settings  ============================
+//===========================================================================
+
+// Select one of these only to define how the bed temp is read.
+//
+//#define BED_LIMIT_SWITCHING
+#ifdef BED_LIMIT_SWITCHING
+  #define BED_HYSTERESIS 2 //only disable heating if T>target+BED_HYSTERESIS and enable heating if T>target-BED_HYSTERESIS
+#endif
+#define BED_CHECK_INTERVAL 5000 //ms
+
+//// Heating sanity check:
+// This waits for the watchperiod in milliseconds whenever an M104 or M109 increases the target temperature
+// If the temperature has not increased at the end of that period, the target temperature is set to zero. 
+// It can be reset with another M104/M109
+//#define WATCHPERIOD 20000 //20 seconds
+
+// Wait for Cooldown
+// This defines if the M109 call should not block if it is cooling down.
+// example: From a current temp of 220, you set M109 S200. 
+// if CooldownNoWait is defined M109 will not wait for the cooldown to finish
+#define CooldownNoWait true
+
+#ifdef PIDTEMP
+  // this adds an experimental additional term to the heatingpower, proportional to the extrusion speed.
+  // if Kc is choosen well, the additional required power due to increased melting should be compensated.
+  #define PID_ADD_EXTRUSION_RATE  
+  #ifdef PID_ADD_EXTRUSION_RATE
+    #define  DEFAULT_Kc (1) //heatingpower=Kc*(e_speed)
+  #endif
+#endif
+
+
+//automatic temperature: The hot end target temperature is calculated by all the buffered lines of gcode.
+//The maximum buffered steps/sec of the extruder motor are called "se".
+//You enter the autotemp mode by a M109 S<mintemp> T<maxtemp> F<factor>
+// the target temperature is set to mintemp+factor*se[steps/sec] and limited by mintemp and maxtemp
+// you exit the value by any M109 without F*
+// Also, if the temperature is set to a value <mintemp, it is not changed by autotemp.
+// on an ultimaker, some initial testing worked with M109 S215 B260 F1 in the start.gcode
+#define AUTOTEMP
+#ifdef AUTOTEMP
+  #define AUTOTEMP_OLDWEIGHT 0.98
+#endif
+
+//  extruder run-out prevention. 
+//if the machine is idle, and the temperature over MINTEMP, every couple of SECONDS some filament is extruded
+//#define EXTRUDER_RUNOUT_PREVENT  
+#define EXTRUDER_RUNOUT_MINTEMP 190  
+#define EXTRUDER_RUNOUT_SECONDS 30.
+#define EXTRUDER_RUNOUT_ESTEPS 14. //mm filament
+#define EXTRUDER_RUNOUT_SPEED 1500.  //extrusion speed
+#define EXTRUDER_RUNOUT_EXTRUDE 100
+
+//These defines help to calibrate the AD595 sensor in case you get wrong temperature measurements.
+//The measured temperature is defined as "actualTemp = (measuredTemp * TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET"
+#define TEMP_SENSOR_AD595_OFFSET 0.0
+#define TEMP_SENSOR_AD595_GAIN   1.0
+
+//This is for controlling a fan to cool down the stepper drivers
+//it will turn on when any driver is enabled
+//and turn off after the set amount of seconds from last driver being disabled again
+//#define CONTROLLERFAN_PIN 23 //Pin used for the fan to cool controller, comment out to disable this function
+#define CONTROLLERFAN_SEC 60 //How many seconds, after all motors were disabled, the fan should run
+
+//===========================================================================
+//=============================Mechanical Settings===========================
+//===========================================================================
+
+// This defines the number of extruders
+#define EXTRUDERS 1
+
+#define ENDSTOPS_ONLY_FOR_HOMING // If defined the endstops will only be used for homing
+
+//#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
+
+// A single Z stepper driver is usually used to drive 2 stepper motors.
+// Uncomment this define to utilize a separate stepper driver for each Z axis motor.
+// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used
+// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.
+// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.
+//#define Z_DUAL_STEPPER_DRIVERS
+
+#ifdef Z_DUAL_STEPPER_DRIVERS
+  #undef EXTRUDERS
+  #define EXTRUDERS 1
+#endif
+
+//homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
+#define X_HOME_RETRACT_MM 5 
+#define Y_HOME_RETRACT_MM 5 
+#define Z_HOME_RETRACT_MM 1 
+//#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
+
+#define AXIS_RELATIVE_MODES {false, false, false, false}
+
+#define MAX_STEP_FREQUENCY 40000 // Max step frequency for Ultimaker (5000 pps / half step)
+
+//By default pololu step drivers require an active high signal. However, some high power drivers require an active low signal as step.
+#define INVERT_X_STEP_PIN false
+#define INVERT_Y_STEP_PIN false
+#define INVERT_Z_STEP_PIN false
+#define INVERT_E_STEP_PIN false
+
+//default stepper release if idle
+#define DEFAULT_STEPPER_DEACTIVE_TIME 60
+
+#define DEFAULT_MINIMUMFEEDRATE       0.0     // minimum feedrate
+#define DEFAULT_MINTRAVELFEEDRATE     0.0
+
+// minimum time in microseconds that a movement needs to take if the buffer is emptied.
+#define DEFAULT_MINSEGMENTTIME        20000
+
+// If defined the movements slow down when the look ahead buffer is only half full
+#define SLOWDOWN
+
+// Frequency limit
+// See nophead's blog for more info
+// Not working O
+//#define XY_FREQUENCY_LIMIT  15
+
+// Minimum planner junction speed. Sets the default minimum speed the planner plans for at the end
+// of the buffer and all stops. This should not be much greater than zero and should only be changed
+// if unwanted behavior is observed on a user's machine when running at very slow speeds.
+#define MINIMUM_PLANNER_SPEED 0.05// (mm/sec)
+
+//===========================================================================
+//=============================Additional Features===========================
+//===========================================================================
+
+
+#define SD_FINISHED_STEPPERRELEASE true  //if sd support and the file is finished: disable steppers?
+#define SD_FINISHED_RELEASECOMMAND "M84 X Y Z E" // no z because of layer shift.
+
+// The hardware watchdog should halt the Microcontroller, in case the firmware gets stuck somewhere. However:
+// the Watchdog is not working well, so please only enable this for testing
+// this enables the watchdog interrupt.
+//#define USE_WATCHDOG
+//#ifdef USE_WATCHDOG
+  // you cannot reboot on a mega2560 due to a bug in he bootloader. Hence, you have to reset manually, and this is done hereby:
+//#define RESET_MANUAL
+//#define WATCHDOG_TIMEOUT 4  //seconds
+//#endif
+
+// extruder advance constant (s2/mm3)
+//
+// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTUDER_ADVANCE_K * cubic mm per second ^ 2
+//
+// hooke's law says:		force = k * distance
+// bernoulli's priniciple says:	v ^ 2 / 2 + g . h + pressure / density = constant
+// so: v ^ 2 is proportional to number of steps we advance the extruder
+//#define ADVANCE
+
+#ifdef ADVANCE
+  #define EXTRUDER_ADVANCE_K .0
+
+  #define D_FILAMENT 2.85
+  #define STEPS_MM_E 836
+  #define EXTRUTION_AREA (0.25 * D_FILAMENT * D_FILAMENT * 3.14159)
+  #define STEPS_PER_CUBIC_MM_E (axis_steps_per_unit[E_AXIS]/ EXTRUTION_AREA)
+
+#endif // ADVANCE
+
+// Arc interpretation settings:
+#define MM_PER_ARC_SEGMENT 1
+#define N_ARC_CORRECTION 25
+
+const int dropsegments=5; //everything with less than this number of steps will be ignored as move and joined with the next movement
+
+// If you are using a RAMPS board or cheap E-bay purchased boards that do not detect when an SD card is inserted
+// You can get round this by connecting a push button or single throw switch to the pin defined as SDCARDCARDDETECT 
+// in the pins.h file.  When using a push button pulling the pin to ground this will need inverted.  This setting should
+// be commented out otherwise
+#define SDCARDDETECTINVERTED 
+
+#ifdef ULTIPANEL
+ #undef SDCARDDETECTINVERTED
+#endif
+//===========================================================================
+//=============================Buffers           ============================
+//===========================================================================
+
+// The number of linear motions that can be in the plan at any give time.  
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ringbuffering.
+#if defined SDSUPPORT
+  #define BLOCK_BUFFER_SIZE 16   // SD,LCD,Buttons take more memory, block buffer needs to be smaller
+#else
+  #define BLOCK_BUFFER_SIZE 16 // maximize block buffer
+#endif
+
+
+//The ASCII buffer for recieving from the serial:
+#define MAX_CMD_SIZE 96
+#define BUFSIZE 4
+
+
+// Firmware based and LCD controled retract
+// M207 and M208 can be used to define parameters for the retraction. 
+// The retraction can be called by the slicer using G10 and G11
+// until then, intended retractions can be detected by moves that only extrude and the direction. 
+// the moves are than replaced by the firmware controlled ones.
+
+// #define FWRETRACT  //ONLY PARTIALLY TESTED
+#define MIN_RETRACT 0.1 //minimum extruded mm to accept a automatic gcode retraction attempt
+
+//===========================================================================
+//=============================  Define Defines  ============================
+//===========================================================================
+
+#if TEMP_SENSOR_0 > 0
+  #define THERMISTORHEATER_0 TEMP_SENSOR_0
+  #define HEATER_0_USES_THERMISTOR
+#endif
+#if TEMP_SENSOR_1 > 0
+  #define THERMISTORHEATER_1 TEMP_SENSOR_1
+  #define HEATER_1_USES_THERMISTOR
+#endif
+#if TEMP_SENSOR_2 > 0
+  #define THERMISTORHEATER_2 TEMP_SENSOR_2
+  #define HEATER_2_USES_THERMISTOR
+#endif
+#if TEMP_SENSOR_BED > 0
+  #define THERMISTORBED TEMP_SENSOR_BED
+  #define BED_USES_THERMISTOR
+#endif
+#if TEMP_SENSOR_0 == -1
+  #define HEATER_0_USES_AD595
+#endif
+#if TEMP_SENSOR_1 == -1
+  #define HEATER_1_USES_AD595
+#endif
+#if TEMP_SENSOR_2 == -1
+  #define HEATER_2_USES_AD595
+#endif
+#if TEMP_SENSOR_BED == -1
+  #define BED_USES_AD595
+#endif
+#if TEMP_SENSOR_0 == -2
+  #define HEATER_0_USES_MAX6675
+#endif
+#if TEMP_SENSOR_0 == 0
+  #undef HEATER_0_MINTEMP
+  #undef HEATER_0_MAXTEMP
+#endif
+#if TEMP_SENSOR_1 == 0
+  #undef HEATER_1_MINTEMP
+  #undef HEATER_1_MAXTEMP
+#endif
+#if TEMP_SENSOR_2 == 0
+  #undef HEATER_2_MINTEMP
+  #undef HEATER_2_MAXTEMP
+#endif
+#if TEMP_SENSOR_BED == 0
+  #undef BED_MINTEMP
+  #undef BED_MAXTEMP
+#endif
+
+
+#endif //__CONFIGURATION_ADV_H

Marlin/Marlin/EEPROMwrite.h

+#ifndef EEPROM_H
+#define EEPROM_H
+
+#include "Marlin.h"
+#include "planner.h"
+#include "temperature.h"
+//#include <EEPROM.h>
+
+int plaPreheatHotendTemp;
+int plaPreheatHPBTemp;
+int plaPreheatFanSpeed;
+
+int absPreheatHotendTemp;
+int absPreheatHPBTemp;
+int absPreheatFanSpeed;
+
+template <class T> int EEPROM_writeAnything(int &ee, const T& value)
+{
+  const byte* p = (const byte*)(const void*)&value;
+  int i;
+  for (i = 0; i < (int)sizeof(value); i++)
+    eeprom_write_byte((unsigned char *)ee++, *p++);
+  return i;
+}
+
+template <class T> int EEPROM_readAnything(int &ee, T& value)
+{
+  byte* p = (byte*)(void*)&value;
+  int i;
+  for (i = 0; i < (int)sizeof(value); i++)
+    *p++ = eeprom_read_byte((unsigned char *)ee++);
+  return i;
+}
+//======================================================================================
+
+
+
+
+#define EEPROM_OFFSET 100
+
+
+// IMPORTANT:  Whenever there are changes made to the variables stored in EEPROM
+// in the functions below, also increment the version number. This makes sure that
+// the default values are used whenever there is a change to the data, to prevent
+// wrong data being written to the variables.
+// ALSO:  always make sure the variables in the Store and retrieve sections are in the same order.
+#define EEPROM_VERSION "V07"
+
+inline void EEPROM_StoreSettings() 
+{
+#ifdef EEPROM_SETTINGS
+  char ver[4]= "000";
+  int i=EEPROM_OFFSET;
+  EEPROM_writeAnything(i,ver); // invalidate data first 
+  EEPROM_writeAnything(i,axis_steps_per_unit);  
+  EEPROM_writeAnything(i,max_feedrate);  
+  EEPROM_writeAnything(i,max_acceleration_units_per_sq_second);
+  EEPROM_writeAnything(i,acceleration);
+  EEPROM_writeAnything(i,retract_acceleration);
+  EEPROM_writeAnything(i,minimumfeedrate);
+  EEPROM_writeAnything(i,mintravelfeedrate);
+  EEPROM_writeAnything(i,minsegmenttime);
+  EEPROM_writeAnything(i,max_xy_jerk);
+  EEPROM_writeAnything(i,max_z_jerk);
+  EEPROM_writeAnything(i,max_e_jerk);
+  EEPROM_writeAnything(i,add_homeing);
+  EEPROM_writeAnything(i,plaPreheatHotendTemp);
+  EEPROM_writeAnything(i,plaPreheatHPBTemp);
+  EEPROM_writeAnything(i,plaPreheatFanSpeed);
+  EEPROM_writeAnything(i,absPreheatHotendTemp);
+  EEPROM_writeAnything(i,absPreheatHPBTemp);
+  EEPROM_writeAnything(i,absPreheatFanSpeed);
+  #ifdef PIDTEMP
+    EEPROM_writeAnything(i,Kp);
+    EEPROM_writeAnything(i,Ki);
+    EEPROM_writeAnything(i,Kd);
+  #else
+    EEPROM_writeAnything(i,3000);
+    EEPROM_writeAnything(i,0);
+    EEPROM_writeAnything(i,0);
+  #endif
+  char ver2[4]=EEPROM_VERSION;
+  i=EEPROM_OFFSET;
+  EEPROM_writeAnything(i,ver2); // validate data
+  SERIAL_ECHO_START;
+  SERIAL_ECHOLNPGM("Settings Stored");
+#endif //EEPROM_SETTINGS
+}
+
+
+inline void EEPROM_printSettings()
+{  // if def=true, the default values will be used
+//  #ifdef EEPROM_SETTINGS  
+      SERIAL_ECHO_START;
+      SERIAL_ECHOLNPGM("Steps per unit:");
+      SERIAL_ECHO_START;
+      SERIAL_ECHOPAIR("  M92 X",axis_steps_per_unit[0]);
+      SERIAL_ECHOPAIR(" Y",axis_steps_per_unit[1]);
+      SERIAL_ECHOPAIR(" Z",axis_steps_per_unit[2]);
+      SERIAL_ECHOPAIR(" E",axis_steps_per_unit[3]);
+      SERIAL_ECHOLN("");
+      
+    SERIAL_ECHO_START;
+      SERIAL_ECHOLNPGM("Maximum feedrates (mm/s):");
+      SERIAL_ECHO_START;
+      SERIAL_ECHOPAIR("  M203 X",max_feedrate[0]);
+      SERIAL_ECHOPAIR(" Y",max_feedrate[1] ); 
+      SERIAL_ECHOPAIR(" Z", max_feedrate[2] ); 
+      SERIAL_ECHOPAIR(" E", max_feedrate[3]);
+      SERIAL_ECHOLN("");
+    SERIAL_ECHO_START;
+      SERIAL_ECHOLNPGM("Maximum Acceleration (mm/s2):");
+      SERIAL_ECHO_START;
+      SERIAL_ECHOPAIR("  M201 X" ,max_acceleration_units_per_sq_second[0] ); 
+      SERIAL_ECHOPAIR(" Y" , max_acceleration_units_per_sq_second[1] ); 
+      SERIAL_ECHOPAIR(" Z" ,max_acceleration_units_per_sq_second[2] );
+      SERIAL_ECHOPAIR(" E" ,max_acceleration_units_per_sq_second[3]);
+      SERIAL_ECHOLN("");
+    SERIAL_ECHO_START;
+      SERIAL_ECHOLNPGM("Acceleration: S=acceleration, T=retract acceleration");
+      SERIAL_ECHO_START;
+      SERIAL_ECHOPAIR("  M204 S",acceleration ); 
+      SERIAL_ECHOPAIR(" T" ,retract_acceleration);
+      SERIAL_ECHOLN("");
+    SERIAL_ECHO_START;
+      SERIAL_ECHOLNPGM("Advanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum xY jerk (mm/s),  Z=maximum Z jerk (mm/s)");
+      SERIAL_ECHO_START;
+      SERIAL_ECHOPAIR("  M205 S",minimumfeedrate ); 
+      SERIAL_ECHOPAIR(" T" ,mintravelfeedrate ); 
+      SERIAL_ECHOPAIR(" B" ,minsegmenttime ); 
+      SERIAL_ECHOPAIR(" X" ,max_xy_jerk ); 
+      SERIAL_ECHOPAIR(" Z" ,max_z_jerk);
+      SERIAL_ECHOPAIR(" E" ,max_e_jerk);
+      SERIAL_ECHOLN(""); 
+    SERIAL_ECHO_START;
+      SERIAL_ECHOLNPGM("Home offset (mm):");
+      SERIAL_ECHO_START;
+      SERIAL_ECHOPAIR("  M206 X",add_homeing[0] );
+      SERIAL_ECHOPAIR(" Y" ,add_homeing[1] );
+      SERIAL_ECHOPAIR(" Z" ,add_homeing[2] );
+      SERIAL_ECHOLN("");
+    #ifdef PIDTEMP
+      SERIAL_ECHO_START;
+      SERIAL_ECHOLNPGM("PID settings:");
+      SERIAL_ECHO_START;
+      SERIAL_ECHOPAIR("   M301 P",Kp); 
+      SERIAL_ECHOPAIR(" I" ,Ki/PID_dT); 
+      SERIAL_ECHOPAIR(" D" ,Kd*PID_dT);
+      SERIAL_ECHOLN(""); 
+    #endif
+//  #endif
+} 
+
+
+inline void EEPROM_RetrieveSettings(bool def=false)
+{  // if def=true, the default values will be used
+  #ifdef EEPROM_SETTINGS
+    int i=EEPROM_OFFSET;
+    char stored_ver[4];
+    char ver[4]=EEPROM_VERSION;
+    EEPROM_readAnything(i,stored_ver); //read stored version
+    //  SERIAL_ECHOLN("Version: [" << ver << "] Stored version: [" << stored_ver << "]");
+    if ((!def)&&(strncmp(ver,stored_ver,3)==0)) 
+    {   // version number match
+      EEPROM_readAnything(i,axis_steps_per_unit);  
+      EEPROM_readAnything(i,max_feedrate);  
+      EEPROM_readAnything(i,max_acceleration_units_per_sq_second);
+      EEPROM_readAnything(i,acceleration);
+      EEPROM_readAnything(i,retract_acceleration);
+      EEPROM_readAnything(i,minimumfeedrate);
+      EEPROM_readAnything(i,mintravelfeedrate);
+      EEPROM_readAnything(i,minsegmenttime);
+      EEPROM_readAnything(i,max_xy_jerk);
+      EEPROM_readAnything(i,max_z_jerk);
+      EEPROM_readAnything(i,max_e_jerk);
+      EEPROM_readAnything(i,add_homeing);
+	  EEPROM_readAnything(i,plaPreheatHotendTemp);
+	  EEPROM_readAnything(i,plaPreheatHPBTemp);
+	  EEPROM_readAnything(i,plaPreheatFanSpeed);
+	  EEPROM_readAnything(i,absPreheatHotendTemp);
+	  EEPROM_readAnything(i,absPreheatHPBTemp);
+	  EEPROM_readAnything(i,absPreheatFanSpeed);
+      #ifndef PIDTEMP
+        float Kp,Ki,Kd;
+      #endif
+      EEPROM_readAnything(i,Kp);
+      EEPROM_readAnything(i,Ki);
+      EEPROM_readAnything(i,Kd);
+
+      SERIAL_ECHO_START;
+      SERIAL_ECHOLNPGM("Stored settings retreived:");
+    }
+    else 
+  #endif
+    {
+      float tmp1[]=DEFAULT_AXIS_STEPS_PER_UNIT;
+      float tmp2[]=DEFAULT_MAX_FEEDRATE;
+      long tmp3[]=DEFAULT_MAX_ACCELERATION;
+      for (short i=0;i<4;i++) 
+      {
+        axis_steps_per_unit[i]=tmp1[i];  
+        max_feedrate[i]=tmp2[i];  
+        max_acceleration_units_per_sq_second[i]=tmp3[i];
+      }
+      acceleration=DEFAULT_ACCELERATION;
+      retract_acceleration=DEFAULT_RETRACT_ACCELERATION;
+      minimumfeedrate=DEFAULT_MINIMUMFEEDRATE;
+      minsegmenttime=DEFAULT_MINSEGMENTTIME;       
+      mintravelfeedrate=DEFAULT_MINTRAVELFEEDRATE;
+      max_xy_jerk=DEFAULT_XYJERK;
+      max_z_jerk=DEFAULT_ZJERK;
+      max_e_jerk=DEFAULT_EJERK;
+      add_homeing[0] = add_homeing[1] = add_homeing[2] = 0;
+      SERIAL_ECHO_START;
+      SERIAL_ECHOLN("Using Default settings:");
+#ifdef ULTIPANEL
+	  plaPreheatHotendTemp = PLA_PREHEAT_HOTEND_TEMP;
+	  plaPreheatHPBTemp = PLA_PREHEAT_HPB_TEMP;
+	  plaPreheatFanSpeed = PLA_PREHEAT_FAN_SPEED;
+	  absPreheatHotendTemp = ABS_PREHEAT_HOTEND_TEMP;
+	  absPreheatHPBTemp = ABS_PREHEAT_HPB_TEMP;
+	  absPreheatFanSpeed = ABS_PREHEAT_FAN_SPEED;
+#endif
+    }
+  #ifdef EEPROM_CHITCHAT
+    EEPROM_printSettings();
+  #endif
+}  
+
+#endif
+
+

Marlin/Marlin/Gen7/boards.txt

+##############################################################
+
+Gen7-644-16.name=Gen7 with ATmega644 and 16 MHz
+Gen7-644-16.upload.protocol=stk500v2
+Gen7-644-16.upload.maximum_size=63488
+Gen7-644-16.upload.speed=115200
+Gen7-644-16.bootloader.low_fuses=0xF7
+Gen7-644-16.bootloader.high_fuses=0xD4
+Gen7-644-16.bootloader.extended_fuses=0xFD
+Gen7-644-16.bootloader.path=Gen7
+Gen7-644-16.bootloader.file=bootloader-644-16MHz.hex
+Gen7-644-16.bootloader.unlock_bits=0x3F
+Gen7-644-16.bootloader.lock_bits=0x0F
+Gen7-644-16.build.mcu=atmega644
+Gen7-644-16.build.f_cpu=16000000L
+Gen7-644-16.build.core=arduino
+
+##############################################################
+
+Gen7-644-20.name=Gen7 with ATmega644 and 20 MHz
+Gen7-644-20.upload.protocol=stk500v2
+Gen7-644-20.upload.maximum_size=63488
+Gen7-644-20.upload.speed=115200
+Gen7-644-20.bootloader.low_fuses=0xF7
+Gen7-644-20.bootloader.high_fuses=0xD4
+Gen7-644-20.bootloader.extended_fuses=0xFD
+Gen7-644-20.bootloader.path=Gen7
+Gen7-644-20.bootloader.file=bootloader-644-20MHz.hex
+Gen7-644-20.bootloader.unlock_bits=0x3F
+Gen7-644-20.bootloader.lock_bits=0x0F
+Gen7-644-20.build.mcu=atmega644
+Gen7-644-20.build.f_cpu=20000000L
+Gen7-644-20.build.core=arduino
+
+##############################################################
+
+Gen7-644P-16.name=Gen7 with ATmega644P and 16 MHz
+Gen7-644P-16.upload.protocol=stk500v2
+Gen7-644P-16.upload.maximum_size=63488
+Gen7-644P-16.upload.speed=115200
+Gen7-644P-16.bootloader.low_fuses=0xF7
+Gen7-644P-16.bootloader.high_fuses=0xD4
+Gen7-644P-16.bootloader.extended_fuses=0xFD
+Gen7-644P-16.bootloader.path=Gen7
+Gen7-644P-16.bootloader.file=bootloader-644P-16MHz.hex
+Gen7-644P-16.bootloader.unlock_bits=0x3F
+Gen7-644P-16.bootloader.lock_bits=0x0F
+Gen7-644P-16.build.mcu=atmega644p
+Gen7-644P-16.build.f_cpu=16000000L
+Gen7-644P-16.build.core=arduino
+
+##############################################################
+
+Gen7-644P-20.name=Gen7 with ATmega644P and 20 MHz
+Gen7-644P-20.upload.protocol=stk500v2
+Gen7-644P-20.upload.maximum_size=63488
+Gen7-644P-20.upload.speed=115200
+Gen7-644P-20.bootloader.low_fuses=0xF7
+Gen7-644P-20.bootloader.high_fuses=0xD4
+Gen7-644P-20.bootloader.extended_fuses=0xFD
+Gen7-644P-20.bootloader.path=Gen7
+Gen7-644P-20.bootloader.file=bootloader-644P-20MHz.hex
+Gen7-644P-20.bootloader.unlock_bits=0x3F
+Gen7-644P-20.bootloader.lock_bits=0x0F
+Gen7-644P-20.build.mcu=atmega644p
+Gen7-644P-20.build.f_cpu=20000000L
+Gen7-644P-20.build.core=arduino
+
+##############################################################
+
+Gen7-1284p-16.name=Gen7 with ATmega1284 and 16 MHz
+Gen7-1284p-16.upload.protocol=stk500v2
+Gen7-1284p-16.upload.maximum_size=129024
+Gen7-1284p-16.upload.speed=115200
+Gen7-1284p-16.bootloader.low_fuses=0xF7
+Gen7-1284p-16.bootloader.high_fuses=0xD4
+Gen7-1284p-16.bootloader.extended_fuses=0xFD
+Gen7-1284p-16.bootloader.path=Gen7
+Gen7-1284p-16.bootloader.file=bootloader-1284P-16MHz.hex
+Gen7-1284p-16.bootloader.unlock_bits=0x3F
+Gen7-1284p-16.bootloader.lock_bits=0x2F
+Gen7-1284p-16.build.mcu=atmega1284p
+Gen7-1284p-16.build.f_cpu=16000000L
+Gen7-1284p-16.build.core=arduino
+
+##############################################################
+
+Gen7-1284p-20.name=Gen7 with ATmega1284 and 20 MHz
+Gen7-1284p-20.upload.protocol=stk500v2
+Gen7-1284p-20.upload.maximum_size=129024
+Gen7-1284p-20.upload.speed=115200
+Gen7-1284p-20.bootloader.low_fuses=0xF7
+Gen7-1284p-20.bootloader.high_fuses=0xD4
+Gen7-1284p-20.bootloader.extended_fuses=0xFD
+Gen7-1284p-20.bootloader.path=Gen7
+Gen7-1284p-20.bootloader.file=bootloader-1284P-16MHz.hex
+Gen7-1284p-20.bootloader.unlock_bits=0x3F
+Gen7-1284p-20.bootloader.lock_bits=0x2F
+Gen7-1284p-20.build.mcu=atmega1284p
+Gen7-1284p-20.build.f_cpu=20000000L
+Gen7-1284p-20.build.core=arduino

Marlin/Marlin/Gen7/bootloaders/Gen7/bootloader-1284P-16MHz.hex

+:020000021000EC
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Marlin/Marlin/Gen7/bootloaders/Gen7/bootloader-644-16MHz.hex

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Marlin/Marlin/Gen7/bootloaders/Gen7/bootloader-644-20MHz.hex

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Marlin/Marlin/Gen7/bootloaders/Gen7/bootloader-644P-16MHz.hex

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Marlin/Marlin/Gen7/bootloaders/Gen7/bootloader-644P-20MHz.hex

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+:02FC8000B8CFFB
+:040000030000F80001
+:00000001FF

Marlin/Marlin/Gen7/cores/arduino/HardwareSerial.cpp

+/*
+  HardwareSerial.cpp - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+  
+  Modified 23 November 2006 by David A. Mellis
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include "wiring.h"
+#include "wiring_private.h"
+
+#include "HardwareSerial.h"
+
+// Define constants and variables for buffering incoming serial data.  We're
+// using a ring buffer (I think), in which rx_buffer_head is the index of the
+// location to which to write the next incoming character and rx_buffer_tail
+// is the index of the location from which to read.
+#define RX_BUFFER_SIZE 128
+
+struct ring_buffer {
+  unsigned char buffer[RX_BUFFER_SIZE];
+  int head;
+  int tail;
+};
+
+ring_buffer rx_buffer = { { 0 }, 0, 0 };
+
+#ifdef UDR1
+ring_buffer rx_buffer1 = { { 0 }, 0, 0 };
+#endif
+
+#ifdef UDR2
+ring_buffer rx_buffer2 = { { 0 }, 0, 0 };
+#endif
+#ifdef UDR3
+ring_buffer rx_buffer3 = { { 0 }, 0, 0 };
+#endif
+
+inline void store_char(unsigned char c, ring_buffer *rx_buffer)
+{
+  int i = (rx_buffer->head + 1) % RX_BUFFER_SIZE;
+
+  // if we should be storing the received character into the location
+  // just before the tail (meaning that the head would advance to the
+  // current location of the tail), we're about to overflow the buffer
+  // and so we don't write the character or advance the head.
+  if (i != rx_buffer->tail) {
+    rx_buffer->buffer[rx_buffer->head] = c;
+    rx_buffer->head = i;
+  }
+}
+
+ISR(USART0_RX_vect)
+{
+  unsigned char c = UDR0;
+  store_char(c, &rx_buffer);
+}
+
+#ifdef UDR1
+ISR(USART1_RX_vect)
+{
+  unsigned char c = UDR1;
+  store_char(c, &rx_buffer1);
+}
+
+#ifdef UDR2
+ISR(USART2_RX_vect)
+{
+  unsigned char c = UDR2;
+  store_char(c, &rx_buffer2);
+}
+
+#ifdef UDR2
+ISR(USART3_RX_vect)
+{
+  unsigned char c = UDR3;
+  store_char(c, &rx_buffer3);
+}
+#endif
+#endif
+
+#else
+
+#if defined(__AVR_ATmega8__)
+SIGNAL(SIG_UART_RECV)
+#else
+SIGNAL(USART_RX_vect)
+#endif
+{
+#if defined(__AVR_ATmega8__)
+  unsigned char c = UDR;
+#else
+  unsigned char c = UDR0;
+#endif
+  store_char(c, &rx_buffer);
+}
+
+#endif
+
+// Constructors ////////////////////////////////////////////////////////////////
+
+HardwareSerial::HardwareSerial(ring_buffer *rx_buffer,
+  volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
+  volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
+  volatile uint8_t *udr,
+  uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x)
+{
+  _rx_buffer = rx_buffer;
+  _ubrrh = ubrrh;
+  _ubrrl = ubrrl;
+  _ucsra = ucsra;
+  _ucsrb = ucsrb;
+  _udr = udr;
+  _rxen = rxen;
+  _txen = txen;
+  _rxcie = rxcie;
+  _udre = udre;
+  _u2x = u2x;
+}
+
+// Public Methods //////////////////////////////////////////////////////////////
+
+void HardwareSerial::begin(long baud)
+{
+  uint16_t baud_setting;
+  bool use_u2x;
+
+  // U2X mode is needed for baud rates higher than (CPU Hz / 16)
+  if (baud > F_CPU / 16) {
+    use_u2x = true;
+  } else {
+    // figure out if U2X mode would allow for a better connection
+    
+    // calculate the percent difference between the baud-rate specified and
+    // the real baud rate for both U2X and non-U2X mode (0-255 error percent)
+    uint8_t nonu2x_baud_error = abs((int)(255-((F_CPU/(16*(((F_CPU/8/baud-1)/2)+1))*255)/baud)));
+    uint8_t u2x_baud_error = abs((int)(255-((F_CPU/(8*(((F_CPU/4/baud-1)/2)+1))*255)/baud)));
+    
+    // prefer non-U2X mode because it handles clock skew better
+    use_u2x = (nonu2x_baud_error > u2x_baud_error);
+  }
+  
+  if (use_u2x) {
+    *_ucsra = 1 << _u2x;
+    baud_setting = (F_CPU / 4 / baud - 1) / 2;
+  } else {
+    *_ucsra = 0;
+    baud_setting = (F_CPU / 8 / baud - 1) / 2;
+  }
+
+  // assign the baud_setting, a.k.a. ubbr (USART Baud Rate Register)
+  *_ubrrh = baud_setting >> 8;
+  *_ubrrl = baud_setting;
+
+  sbi(*_ucsrb, _rxen);
+  sbi(*_ucsrb, _txen);
+  sbi(*_ucsrb, _rxcie);
+}
+
+void HardwareSerial::end()
+{
+  cbi(*_ucsrb, _rxen);
+  cbi(*_ucsrb, _txen);
+  cbi(*_ucsrb, _rxcie);  
+}
+
+uint8_t HardwareSerial::available(void)
+{
+  return (RX_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) % RX_BUFFER_SIZE;
+}
+
+int HardwareSerial::read(void)
+{
+  // if the head isn't ahead of the tail, we don't have any characters
+  if (_rx_buffer->head == _rx_buffer->tail) {
+    return -1;
+  } else {
+    unsigned char c = _rx_buffer->buffer[_rx_buffer->tail];
+    _rx_buffer->tail = (_rx_buffer->tail + 1) % RX_BUFFER_SIZE;
+    return c;
+  }
+}
+
+void HardwareSerial::flush()
+{
+  // don't reverse this or there may be problems if the RX interrupt
+  // occurs after reading the value of rx_buffer_head but before writing
+  // the value to rx_buffer_tail; the previous value of rx_buffer_head
+  // may be written to rx_buffer_tail, making it appear as if the buffer
+  // don't reverse this or there may be problems if the RX interrupt
+  // occurs after reading the value of rx_buffer_head but before writing
+  // the value to rx_buffer_tail; the previous value of rx_buffer_head
+  // may be written to rx_buffer_tail, making it appear as if the buffer
+  // were full, not empty.
+  _rx_buffer->head = _rx_buffer->tail;
+}
+
+void HardwareSerial::write(uint8_t c)
+{
+  while (!((*_ucsra) & (1 << _udre)))
+    ;
+
+  *_udr = c;
+}
+
+// Preinstantiate Objects //////////////////////////////////////////////////////
+
+#if defined(__AVR_ATmega8__)
+HardwareSerial Serial(&rx_buffer, &UBRRH, &UBRRL, &UCSRA, &UCSRB, &UDR, RXEN, TXEN, RXCIE, UDRE, U2X);
+#else
+HardwareSerial Serial(&rx_buffer, &UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UDR0, RXEN0, TXEN0, RXCIE0, UDRE0, U2X0);
+#endif
+
+#ifdef UDR1
+HardwareSerial Serial1(&rx_buffer1, &UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UDR1, RXEN1, TXEN1, RXCIE1, UDRE1, U2X1);
+#endif
+
+#ifdef UDR2
+HardwareSerial Serial2(&rx_buffer2, &UBRR2H, &UBRR2L, &UCSR2A, &UCSR2B, &UDR2, RXEN2, TXEN2, RXCIE2, UDRE2, U2X2);
+#endif
+#ifdef UDR3
+HardwareSerial Serial3(&rx_buffer3, &UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UDR3, RXEN3, TXEN3, RXCIE3, UDRE3, U2X3);
+#endif

Marlin/Marlin/Gen7/cores/arduino/HardwareSerial.h

+/*
+  HardwareSerial.h - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef HardwareSerial_h
+#define HardwareSerial_h
+
+#include <inttypes.h>
+
+#include "Print.h"
+
+struct ring_buffer;
+
+class HardwareSerial : public Print
+{
+  private:
+    ring_buffer *_rx_buffer;
+    volatile uint8_t *_ubrrh;
+    volatile uint8_t *_ubrrl;
+    volatile uint8_t *_ucsra;
+    volatile uint8_t *_ucsrb;
+    volatile uint8_t *_udr;
+    uint8_t _rxen;
+    uint8_t _txen;
+    uint8_t _rxcie;
+    uint8_t _udre;
+    uint8_t _u2x;
+  public:
+    HardwareSerial(ring_buffer *rx_buffer,
+      volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
+      volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
+      volatile uint8_t *udr,
+      uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x);
+    void begin(long);
+    void end();
+    uint8_t available(void);
+    int read(void);
+    void flush(void);
+    virtual void write(uint8_t);
+    using Print::write; // pull in write(str) and write(buf, size) from Print
+};
+
+extern HardwareSerial Serial;
+
+#if defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1280__)
+extern HardwareSerial Serial1;
+#endif
+
+#if defined(__AVR_ATmega1280__)
+extern HardwareSerial Serial2;
+extern HardwareSerial Serial3;
+#endif
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/Makefile

+# Arduino 0011 Makefile
+# Arduino adaptation by mellis, eighthave, oli.keller
+#
+# This makefile allows you to build sketches from the command line
+# without the Arduino environment (or Java).
+#
+# Detailed instructions for using the makefile:
+#
+#  1. Copy this file into the folder with your sketch. There should be a
+#     file with the same name as the folder and with the extension .pde
+#     (e.g. foo.pde in the foo/ folder).
+#
+#  2. Modify the line containg "INSTALL_DIR" to point to the directory that
+#     contains the Arduino installation (for example, under Mac OS X, this
+#     might be /Applications/arduino-0012).
+#
+#  3. Modify the line containing "PORT" to refer to the filename
+#     representing the USB or serial connection to your Arduino board
+#     (e.g. PORT = /dev/tty.USB0).  If the exact name of this file
+#     changes, you can use * as a wildcard (e.g. PORT = /dev/tty.usb*).
+#
+#  4. Set the line containing "MCU" to match your board's processor. 
+#     Older one's are atmega8 based, newer ones like Arduino Mini, Bluetooth
+#     or Diecimila have the atmega168.  If you're using a LilyPad Arduino,
+#     change F_CPU to 8000000.
+#
+#  5. At the command line, change to the directory containing your
+#     program's file and the makefile.
+#
+#  6. Type "make" and press enter to compile/verify your program.
+#
+#  7. Type "make upload", reset your Arduino board, and press enter to
+#     upload your program to the Arduino board.
+#
+# $Id$
+
+TARGET = $(notdir $(CURDIR))
+INSTALL_DIR = /Users/dmellis/Source/arduino/trunk/build/macosx/build/work
+PORT = /dev/tty.usb*
+UPLOAD_RATE = 19200
+AVRDUDE_PROGRAMMER = stk500v1
+MCU = atmega168
+F_CPU = 16000000
+
+############################################################################
+# Below here nothing should be changed...
+
+ARDUINO = $(INSTALL_DIR)/hardware/cores/arduino
+AVR_TOOLS_PATH = $(INSTALL_DIR)/hardware/tools/avr/bin
+SRC =  $(ARDUINO)/pins_arduino.c $(ARDUINO)/wiring.c \
+$(ARDUINO)/wiring_analog.c $(ARDUINO)/wiring_digital.c \
+$(ARDUINO)/wiring_pulse.c $(ARDUINO)/wiring_serial.c \
+$(ARDUINO)/wiring_shift.c $(ARDUINO)/WInterrupts.c
+CXXSRC = $(ARDUINO)/HardwareSerial.cpp $(ARDUINO)/WMath.cpp
+FORMAT = ihex
+
+
+# Name of this Makefile (used for "make depend").
+MAKEFILE = Makefile
+
+# Debugging format.
+# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
+# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
+DEBUG = stabs
+
+OPT = s
+
+# Place -D or -U options here
+CDEFS = -DF_CPU=$(F_CPU)
+CXXDEFS = -DF_CPU=$(F_CPU)
+
+# Place -I options here
+CINCS = -I$(ARDUINO)
+CXXINCS = -I$(ARDUINO)
+
+# Compiler flag to set the C Standard level.
+# c89   - "ANSI" C
+# gnu89 - c89 plus GCC extensions
+# c99   - ISO C99 standard (not yet fully implemented)
+# gnu99 - c99 plus GCC extensions
+CSTANDARD = -std=gnu99
+CDEBUG = -g$(DEBUG)
+CWARN = -Wall -Wstrict-prototypes
+CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
+#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
+
+CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CSTANDARD) $(CEXTRA)
+CXXFLAGS = $(CDEFS) $(CINCS) -O$(OPT)
+#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs 
+LDFLAGS = -lm
+
+
+# Programming support using avrdude. Settings and variables.
+AVRDUDE_PORT = $(PORT)
+AVRDUDE_WRITE_FLASH = -U flash:w:applet/$(TARGET).hex
+AVRDUDE_FLAGS = -V -F -C $(INSTALL_DIR)/hardware/tools/avr/etc/avrdude.conf \
+-p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
+-b $(UPLOAD_RATE)
+
+# Program settings
+CC = $(AVR_TOOLS_PATH)/avr-gcc
+CXX = $(AVR_TOOLS_PATH)/avr-g++
+OBJCOPY = $(AVR_TOOLS_PATH)/avr-objcopy
+OBJDUMP = $(AVR_TOOLS_PATH)/avr-objdump
+AR  = $(AVR_TOOLS_PATH)/avr-ar
+SIZE = $(AVR_TOOLS_PATH)/avr-size
+NM = $(AVR_TOOLS_PATH)/avr-nm
+AVRDUDE = $(AVR_TOOLS_PATH)/avrdude
+REMOVE = rm -f
+MV = mv -f
+
+# Define all object files.
+OBJ = $(SRC:.c=.o) $(CXXSRC:.cpp=.o) $(ASRC:.S=.o) 
+
+# Define all listing files.
+LST = $(ASRC:.S=.lst) $(CXXSRC:.cpp=.lst) $(SRC:.c=.lst)
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
+ALL_CXXFLAGS = -mmcu=$(MCU) -I. $(CXXFLAGS)
+ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
+
+
+# Default target.
+all: applet_files build sizeafter
+
+build: elf hex 
+
+applet_files: $(TARGET).pde
+	# Here is the "preprocessing".
+	# It creates a .cpp file based with the same name as the .pde file.
+	# On top of the new .cpp file comes the WProgram.h header.
+	# At the end there is a generic main() function attached.
+	# Then the .cpp file will be compiled. Errors during compile will
+	# refer to this new, automatically generated, file. 
+	# Not the original .pde file you actually edit...
+	test -d applet || mkdir applet
+	echo '#include "WProgram.h"' > applet/$(TARGET).cpp
+	cat $(TARGET).pde >> applet/$(TARGET).cpp
+	cat $(ARDUINO)/main.cxx >> applet/$(TARGET).cpp
+
+elf: applet/$(TARGET).elf
+hex: applet/$(TARGET).hex
+eep: applet/$(TARGET).eep
+lss: applet/$(TARGET).lss 
+sym: applet/$(TARGET).sym
+
+# Program the device.  
+upload: applet/$(TARGET).hex
+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
+
+
+	# Display size of file.
+HEXSIZE = $(SIZE) --target=$(FORMAT) applet/$(TARGET).hex
+ELFSIZE = $(SIZE)  applet/$(TARGET).elf
+sizebefore:
+	@if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(HEXSIZE); echo; fi
+
+sizeafter:
+	@if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(HEXSIZE); echo; fi
+
+
+# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
+COFFCONVERT=$(OBJCOPY) --debugging \
+--change-section-address .data-0x800000 \
+--change-section-address .bss-0x800000 \
+--change-section-address .noinit-0x800000 \
+--change-section-address .eeprom-0x810000 
+
+
+coff: applet/$(TARGET).elf
+	$(COFFCONVERT) -O coff-avr applet/$(TARGET).elf $(TARGET).cof
+
+
+extcoff: $(TARGET).elf
+	$(COFFCONVERT) -O coff-ext-avr applet/$(TARGET).elf $(TARGET).cof
+
+
+.SUFFIXES: .elf .hex .eep .lss .sym
+
+.elf.hex:
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+
+.elf.eep:
+	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
+	--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
+
+# Create extended listing file from ELF output file.
+.elf.lss:
+	$(OBJDUMP) -h -S $< > $@
+
+# Create a symbol table from ELF output file.
+.elf.sym:
+	$(NM) -n $< > $@
+
+	# Link: create ELF output file from library.
+applet/$(TARGET).elf: $(TARGET).pde applet/core.a 
+	$(CC) $(ALL_CFLAGS) -o $@ applet/$(TARGET).cpp -L. applet/core.a $(LDFLAGS)
+
+applet/core.a: $(OBJ)
+	@for i in $(OBJ); do echo $(AR) rcs applet/core.a $$i; $(AR) rcs applet/core.a $$i; done
+
+
+
+# Compile: create object files from C++ source files.
+.cpp.o:
+	$(CXX) -c $(ALL_CXXFLAGS) $< -o $@ 
+
+# Compile: create object files from C source files.
+.c.o:
+	$(CC) -c $(ALL_CFLAGS) $< -o $@ 
+
+
+# Compile: create assembler files from C source files.
+.c.s:
+	$(CC) -S $(ALL_CFLAGS) $< -o $@
+
+
+# Assemble: create object files from assembler source files.
+.S.o:
+	$(CC) -c $(ALL_ASFLAGS) $< -o $@
+
+
+
+# Target: clean project.
+clean:
+	$(REMOVE) applet/$(TARGET).hex applet/$(TARGET).eep applet/$(TARGET).cof applet/$(TARGET).elf \
+	applet/$(TARGET).map applet/$(TARGET).sym applet/$(TARGET).lss applet/core.a \
+	$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d) $(CXXSRC:.cpp=.s) $(CXXSRC:.cpp=.d)
+
+depend:
+	if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
+	then \
+		sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
+			$(MAKEFILE).$$$$ && \
+		$(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
+	fi
+	echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
+		>> $(MAKEFILE); \
+	$(CC) -M -mmcu=$(MCU) $(CDEFS) $(CINCS) $(SRC) $(ASRC) >> $(MAKEFILE)
+
+.PHONY:	all build elf hex eep lss sym program coff extcoff clean depend applet_files sizebefore sizeafter

Marlin/Marlin/Gen7/cores/arduino/Print.cpp

+/*
+ Print.cpp - Base class that provides print() and println()
+ Copyright (c) 2008 David A. Mellis.  All right reserved.
+ 
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ 
+ Modified 23 November 2006 by David A. Mellis
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <math.h>
+#include "wiring.h"
+
+#include "Print.h"
+
+// Public Methods //////////////////////////////////////////////////////////////
+
+void Print::print(uint8_t b)
+{
+  this->write(b);
+}
+
+void Print::print(char c)
+{
+  print((byte) c);
+}
+
+void Print::print(const char c[])
+{
+  while (*c)
+    print(*c++);
+}
+
+void Print::print(int n)
+{
+  print((long) n);
+}
+
+void Print::print(unsigned int n)
+{
+  print((unsigned long) n);
+}
+
+void Print::print(long n)
+{
+  if (n < 0) {
+    print('-');
+    n = -n;
+  }
+  printNumber(n, 10);
+}
+
+void Print::print(unsigned long n)
+{
+  printNumber(n, 10);
+}
+
+void Print::print(long n, int base)
+{
+  if (base == 0)
+    print((char) n);
+  else if (base == 10)
+    print(n);
+  else
+    printNumber(n, base);
+}
+
+void Print::print(double n)
+{
+  printFloat(n, 2);
+}
+
+void Print::println(void)
+{
+  print('\r');
+  print('\n');  
+}
+
+void Print::println(char c)
+{
+  print(c);
+  println();  
+}
+
+void Print::println(const char c[])
+{
+  print(c);
+  println();
+}
+
+void Print::println(uint8_t b)
+{
+  print(b);
+  println();
+}
+
+void Print::println(int n)
+{
+  print(n);
+  println();
+}
+
+void Print::println(unsigned int n)
+{
+  print(n);
+  println();
+}
+
+void Print::println(long n)
+{
+  print(n);
+  println();  
+}
+
+void Print::println(unsigned long n)
+{
+  print(n);
+  println();  
+}
+
+void Print::println(long n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void Print::println(double n)
+{
+  print(n);
+  println();
+}
+
+// Private Methods /////////////////////////////////////////////////////////////
+
+void Print::printNumber(unsigned long n, uint8_t base)
+{
+  unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars. 
+  unsigned long i = 0;
+
+  if (n == 0) {
+    print('0');
+    return;
+  } 
+
+  while (n > 0) {
+    buf[i++] = n % base;
+    n /= base;
+  }
+
+  for (; i > 0; i--)
+    print((char) (buf[i - 1] < 10 ?
+      '0' + buf[i - 1] :
+      'A' + buf[i - 1] - 10));
+}
+
+void Print::printFloat(double number, uint8_t digits) 
+{ 
+  // Handle negative numbers
+  if (number < 0.0)
+  {
+     print('-');
+     number = -number;
+  }
+
+  // Round correctly so that print(1.999, 2) prints as "2.00"
+  double rounding = 0.5;
+  for (uint8_t i=0; i<digits; ++i)
+    rounding /= 10.0;
+  
+  number += rounding;
+
+  // Extract the integer part of the number and print it
+  unsigned long int_part = (unsigned long)number;
+  double remainder = number - (double)int_part;
+  print(int_part);
+
+  // Print the decimal point, but only if there are digits beyond
+  if (digits > 0)
+    print("."); 
+
+  // Extract digits from the remainder one at a time
+  while (digits-- > 0)
+  {
+    remainder *= 10.0;
+    int toPrint = int(remainder);
+    print(toPrint);
+    remainder -= toPrint; 
+  } 
+}

Marlin/Marlin/Gen7/cores/arduino/Print.h

+/*
+  Print.h - Base class that provides print() and println()
+  Copyright (c) 2008 David A. Mellis.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef Print_h
+#define Print_h
+
+#include <inttypes.h>
+
+#define DEC 10
+#define HEX 16
+#define OCT 8
+#define BIN 2
+#define BYTE 0
+
+class Print
+{
+  private:
+    void printNumber(unsigned long, uint8_t);
+    void printFloat(double, uint8_t);
+  public:
+    virtual void write(uint8_t);
+    void print(char);
+    void print(const char[]);
+    void print(uint8_t);
+    void print(int);
+    void print(unsigned int);
+    void print(long);
+    void print(unsigned long);
+    void print(long, int);
+    void print(double);
+    void println(void);
+    void println(char);
+    void println(const char[]);
+    void println(uint8_t);
+    void println(int);
+    void println(unsigned int);
+    void println(long);
+    void println(unsigned long);
+    void println(long, int);
+    void println(double);
+};
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/Tone.cpp

+/* Tone.cpp
+
+  A Tone Generator Library
+
+  Written by Brett Hagman
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+Version Modified By Date     Comments
+------- ----------- -------- --------
+0001    B Hagman    09/08/02 Initial coding
+0002    B Hagman    09/08/18 Multiple pins
+0003    B Hagman    09/08/18 Moved initialization from constructor to begin()
+0004    B Hagman    09/09/26 Fixed problems with ATmega8
+0005    B Hagman    09/11/23 Scanned prescalars for best fit on 8 bit timers
+                    09/11/25 Changed pin toggle method to XOR
+                    09/11/25 Fixed timer0 from being excluded
+0006    D Mellis    09/12/29 Replaced objects with functions
+
+*************************************************/
+
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+#include <wiring.h>
+#include <pins_arduino.h>
+
+#if defined(__AVR_ATmega8__)
+#define TCCR2A TCCR2
+#define TCCR2B TCCR2
+#define COM2A1 COM21
+#define COM2A0 COM20
+#define OCR2A OCR2
+#define TIMSK2 TIMSK
+#define OCIE2A OCIE2
+#define TIMER2_COMPA_vect TIMER2_COMP_vect
+#define TIMSK1 TIMSK
+#endif
+
+// timerx_toggle_count:
+//  > 0 - duration specified
+//  = 0 - stopped
+//  < 0 - infinitely (until stop() method called, or new play() called)
+
+#if !defined(__AVR_ATmega8__)
+volatile long timer0_toggle_count;
+volatile uint8_t *timer0_pin_port;
+volatile uint8_t timer0_pin_mask;
+#endif
+
+volatile long timer1_toggle_count;
+volatile uint8_t *timer1_pin_port;
+volatile uint8_t timer1_pin_mask;
+volatile long timer2_toggle_count;
+volatile uint8_t *timer2_pin_port;
+volatile uint8_t timer2_pin_mask;
+
+#if defined(__AVR_ATmega1280__)
+volatile long timer3_toggle_count;
+volatile uint8_t *timer3_pin_port;
+volatile uint8_t timer3_pin_mask;
+volatile long timer4_toggle_count;
+volatile uint8_t *timer4_pin_port;
+volatile uint8_t timer4_pin_mask;
+volatile long timer5_toggle_count;
+volatile uint8_t *timer5_pin_port;
+volatile uint8_t timer5_pin_mask;
+#endif
+
+
+#if defined(__AVR_ATmega1280__)
+
+#define AVAILABLE_TONE_PINS 1
+
+const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 3, 4, 5, 1, 0 */ };
+static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255, 255, 255, 255, 255 */ };
+
+#elif defined(__AVR_ATmega8__)
+
+#define AVAILABLE_TONE_PINS 1
+
+const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 1 */ };
+static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255 */ };
+
+#else
+
+#define AVAILABLE_TONE_PINS 1
+
+// Leave timer 0 to last.
+const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 1, 0 */ };
+static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255, 255 */ };
+
+#endif
+
+
+
+static int8_t toneBegin(uint8_t _pin)
+{
+  int8_t _timer = -1;
+
+  // if we're already using the pin, the timer should be configured.  
+  for (int i = 0; i < AVAILABLE_TONE_PINS; i++) {
+    if (tone_pins[i] == _pin) {
+      return pgm_read_byte(tone_pin_to_timer_PGM + i);
+    }
+  }
+  
+  // search for an unused timer.
+  for (int i = 0; i < AVAILABLE_TONE_PINS; i++) {
+    if (tone_pins[i] == 255) {
+      tone_pins[i] = _pin;
+      _timer = pgm_read_byte(tone_pin_to_timer_PGM + i);
+      break;
+    }
+  }
+  
+  if (_timer != -1)
+  {
+    // Set timer specific stuff
+    // All timers in CTC mode
+    // 8 bit timers will require changing prescalar values,
+    // whereas 16 bit timers are set to either ck/1 or ck/64 prescalar
+    switch (_timer)
+    {
+#if !defined(__AVR_ATmega8__)
+      case 0:
+        // 8 bit timer
+        TCCR0A = 0;
+        TCCR0B = 0;
+        bitWrite(TCCR0A, WGM01, 1);
+        bitWrite(TCCR0B, CS00, 1);
+        timer0_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer0_pin_mask = digitalPinToBitMask(_pin);
+        break;
+#endif
+
+      case 1:
+        // 16 bit timer
+        TCCR1A = 0;
+        TCCR1B = 0;
+        bitWrite(TCCR1B, WGM12, 1);
+        bitWrite(TCCR1B, CS10, 1);
+        timer1_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer1_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      case 2:
+        // 8 bit timer
+        TCCR2A = 0;
+        TCCR2B = 0;
+        bitWrite(TCCR2A, WGM21, 1);
+        bitWrite(TCCR2B, CS20, 1);
+        timer2_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer2_pin_mask = digitalPinToBitMask(_pin);
+        break;
+
+#if defined(__AVR_ATmega1280__)
+      case 3:
+        // 16 bit timer
+        TCCR3A = 0;
+        TCCR3B = 0;
+        bitWrite(TCCR3B, WGM32, 1);
+        bitWrite(TCCR3B, CS30, 1);
+        timer3_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer3_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      case 4:
+        // 16 bit timer
+        TCCR4A = 0;
+        TCCR4B = 0;
+        bitWrite(TCCR4B, WGM42, 1);
+        bitWrite(TCCR4B, CS40, 1);
+        timer4_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer4_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      case 5:
+        // 16 bit timer
+        TCCR5A = 0;
+        TCCR5B = 0;
+        bitWrite(TCCR5B, WGM52, 1);
+        bitWrite(TCCR5B, CS50, 1);
+        timer5_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer5_pin_mask = digitalPinToBitMask(_pin);
+        break;
+#endif
+    }
+  }
+
+  return _timer;
+}
+
+
+
+// frequency (in hertz) and duration (in milliseconds).
+
+void tone(uint8_t _pin, unsigned int frequency, unsigned long duration)
+{
+  uint8_t prescalarbits = 0b001;
+  long toggle_count = 0;
+  uint32_t ocr = 0;
+  int8_t _timer;
+
+  _timer = toneBegin(_pin);
+
+  if (_timer >= 0)
+  {
+    // Set the pinMode as OUTPUT
+    pinMode(_pin, OUTPUT);
+    
+    // if we are using an 8 bit timer, scan through prescalars to find the best fit
+    if (_timer == 0 || _timer == 2)
+    {
+      ocr = F_CPU / frequency / 2 - 1;
+      prescalarbits = 0b001;  // ck/1: same for both timers
+      if (ocr > 255)
+      {
+        ocr = F_CPU / frequency / 2 / 8 - 1;
+        prescalarbits = 0b010;  // ck/8: same for both timers
+
+        if (_timer == 2 && ocr > 255)
+        {
+          ocr = F_CPU / frequency / 2 / 32 - 1;
+          prescalarbits = 0b011;
+        }
+
+        if (ocr > 255)
+        {
+          ocr = F_CPU / frequency / 2 / 64 - 1;
+          prescalarbits = _timer == 0 ? 0b011 : 0b100;
+
+          if (_timer == 2 && ocr > 255)
+          {
+            ocr = F_CPU / frequency / 2 / 128 - 1;
+            prescalarbits = 0b101;
+          }
+
+          if (ocr > 255)
+          {
+            ocr = F_CPU / frequency / 2 / 256 - 1;
+            prescalarbits = _timer == 0 ? 0b100 : 0b110;
+            if (ocr > 255)
+            {
+              // can't do any better than /1024
+              ocr = F_CPU / frequency / 2 / 1024 - 1;
+              prescalarbits = _timer == 0 ? 0b101 : 0b111;
+            }
+          }
+        }
+      }
+
+#if !defined(__AVR_ATmega8__)
+      if (_timer == 0)
+        TCCR0B = prescalarbits;
+      else
+#endif
+        TCCR2B = prescalarbits;
+    }
+    else
+    {
+      // two choices for the 16 bit timers: ck/1 or ck/64
+      ocr = F_CPU / frequency / 2 - 1;
+
+      prescalarbits = 0b001;
+      if (ocr > 0xffff)
+      {
+        ocr = F_CPU / frequency / 2 / 64 - 1;
+        prescalarbits = 0b011;
+      }
+
+      if (_timer == 1)
+        TCCR1B = (TCCR1B & 0b11111000) | prescalarbits;
+#if defined(__AVR_ATmega1280__)
+      else if (_timer == 3)
+        TCCR3B = (TCCR3B & 0b11111000) | prescalarbits;
+      else if (_timer == 4)
+        TCCR4B = (TCCR4B & 0b11111000) | prescalarbits;
+      else if (_timer == 5)
+        TCCR5B = (TCCR5B & 0b11111000) | prescalarbits;
+#endif
+
+    }
+    
+
+    // Calculate the toggle count
+    if (duration > 0)
+    {
+      toggle_count = 2 * frequency * duration / 1000;
+    }
+    else
+    {
+      toggle_count = -1;
+    }
+
+    // Set the OCR for the given timer,
+    // set the toggle count,
+    // then turn on the interrupts
+    switch (_timer)
+    {
+
+#if !defined(__AVR_ATmega8__)
+      case 0:
+        OCR0A = ocr;
+        timer0_toggle_count = toggle_count;
+        bitWrite(TIMSK0, OCIE0A, 1);
+        break;
+#endif
+
+      case 1:
+        OCR1A = ocr;
+        timer1_toggle_count = toggle_count;
+        bitWrite(TIMSK1, OCIE1A, 1);
+        break;
+      case 2:
+        OCR2A = ocr;
+        timer2_toggle_count = toggle_count;
+        bitWrite(TIMSK2, OCIE2A, 1);
+        break;
+
+#if defined(__AVR_ATmega1280__)
+      case 3:
+        OCR3A = ocr;
+        timer3_toggle_count = toggle_count;
+        bitWrite(TIMSK3, OCIE3A, 1);
+        break;
+      case 4:
+        OCR4A = ocr;
+        timer4_toggle_count = toggle_count;
+        bitWrite(TIMSK4, OCIE4A, 1);
+        break;
+      case 5:
+        OCR5A = ocr;
+        timer5_toggle_count = toggle_count;
+        bitWrite(TIMSK5, OCIE5A, 1);
+        break;
+#endif
+
+    }
+  }
+}
+
+
+void noTone(uint8_t _pin)
+{
+  int8_t _timer = -1;
+  
+  for (int i = 0; i < AVAILABLE_TONE_PINS; i++) {
+    if (tone_pins[i] == _pin) {
+      _timer = pgm_read_byte(tone_pin_to_timer_PGM + i);
+      tone_pins[i] = 255;
+    }
+  }
+  
+  switch (_timer)
+  {
+#if defined(__AVR_ATmega8__)
+    case 1:
+      bitWrite(TIMSK1, OCIE1A, 0);
+      break;
+    case 2:
+      bitWrite(TIMSK2, OCIE2A, 0);
+      break;
+
+#else
+    case 0:
+      TIMSK0 = 0;
+      break;
+    case 1:
+      TIMSK1 = 0;
+      break;
+    case 2:
+      TIMSK2 = 0;
+      break;
+#endif
+
+#if defined(__AVR_ATmega1280__)
+    case 3:
+      TIMSK3 = 0;
+      break;
+    case 4:
+      TIMSK4 = 0;
+      break;
+    case 5:
+      TIMSK5 = 0;
+      break;
+#endif
+  }
+
+  digitalWrite(_pin, 0);
+}
+
+#if 0
+#if !defined(__AVR_ATmega8__)
+ISR(TIMER0_COMPA_vect)
+{
+  if (timer0_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer0_pin_port ^= timer0_pin_mask;
+
+    if (timer0_toggle_count > 0)
+      timer0_toggle_count--;
+  }
+  else
+  {
+    TIMSK0 = 0;   // disable the interrupt
+    *timer0_pin_port &= ~(timer0_pin_mask);  // keep pin low after stop
+  }
+}
+#endif
+
+
+ISR(TIMER1_COMPA_vect)
+{
+  if (timer1_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer1_pin_port ^= timer1_pin_mask;
+
+    if (timer1_toggle_count > 0)
+      timer1_toggle_count--;
+  }
+  else
+  {
+    TIMSK1 = 0;   // disable the interrupt
+    *timer1_pin_port &= ~(timer1_pin_mask);  // keep pin low after stop
+  }
+}
+#endif
+
+
+ISR(TIMER2_COMPA_vect)
+{
+
+  if (timer2_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer2_pin_port ^= timer2_pin_mask;
+
+    if (timer2_toggle_count > 0)
+      timer2_toggle_count--;
+  }
+  else
+  {
+    TIMSK2 = 0;   // disable the interrupt
+    *timer2_pin_port &= ~(timer2_pin_mask);  // keep pin low after stop
+  }
+}
+
+
+
+//#if defined(__AVR_ATmega1280__)
+#if 0
+
+ISR(TIMER3_COMPA_vect)
+{
+  if (timer3_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer3_pin_port ^= timer3_pin_mask;
+
+    if (timer3_toggle_count > 0)
+      timer3_toggle_count--;
+  }
+  else
+  {
+    TIMSK3 = 0;   // disable the interrupt
+    *timer3_pin_port &= ~(timer3_pin_mask);  // keep pin low after stop
+  }
+}
+
+ISR(TIMER4_COMPA_vect)
+{
+  if (timer4_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer4_pin_port ^= timer4_pin_mask;
+
+    if (timer4_toggle_count > 0)
+      timer4_toggle_count--;
+  }
+  else
+  {
+    TIMSK4 = 0;   // disable the interrupt
+    *timer4_pin_port &= ~(timer4_pin_mask);  // keep pin low after stop
+  }
+}
+
+ISR(TIMER5_COMPA_vect)
+{
+  if (timer5_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer5_pin_port ^= timer5_pin_mask;
+
+    if (timer5_toggle_count > 0)
+      timer5_toggle_count--;
+  }
+  else
+  {
+    TIMSK5 = 0;   // disable the interrupt
+    *timer5_pin_port &= ~(timer5_pin_mask);  // keep pin low after stop
+  }
+}
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/WCharacter.h

+/*
+ WCharacter.h - Character utility functions for Wiring & Arduino
+ Copyright (c) 2010 Hernando Barragan.  All right reserved.
+ 
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef Character_h
+#define Character_h
+
+#include <ctype.h>
+
+// WCharacter.h prototypes
+inline boolean isAlphaNumeric(int c) __attribute__((always_inline));
+inline boolean isAlpha(int c) __attribute__((always_inline));
+inline boolean isAscii(int c) __attribute__((always_inline));
+inline boolean isWhitespace(int c) __attribute__((always_inline));
+inline boolean isControl(int c) __attribute__((always_inline));
+inline boolean isDigit(int c) __attribute__((always_inline));
+inline boolean isGraph(int c) __attribute__((always_inline));
+inline boolean isLowerCase(int c) __attribute__((always_inline));
+inline boolean isPrintable(int c) __attribute__((always_inline));
+inline boolean isPunct(int c) __attribute__((always_inline));
+inline boolean isSpace(int c) __attribute__((always_inline));
+inline boolean isUpperCase(int c) __attribute__((always_inline));
+inline boolean isHexadecimalDigit(int c) __attribute__((always_inline));
+inline int toAscii(int c) __attribute__((always_inline));
+inline int toLowerCase(int c) __attribute__((always_inline));
+inline int toUpperCase(int c)__attribute__((always_inline));
+
+
+// Checks for an alphanumeric character. 
+// It is equivalent to (isalpha(c) || isdigit(c)).
+inline boolean isAlphaNumeric(int c) 
+{
+  return ( isalnum(c) == 0 ? false : true);
+}
+
+
+// Checks for an alphabetic character. 
+// It is equivalent to (isupper(c) || islower(c)).
+inline boolean isAlpha(int c)
+{
+  return ( isalpha(c) == 0 ? false : true);
+}
+
+
+// Checks whether c is a 7-bit unsigned char value 
+// that fits into the ASCII character set.
+inline boolean isAscii(int c)
+{
+  return ( isascii (c) == 0 ? false : true);
+}
+
+
+// Checks for a blank character, that is, a space or a tab.
+inline boolean isWhitespace(int c)
+{
+  return ( isblank (c) == 0 ? false : true);
+}
+
+
+// Checks for a control character.
+inline boolean isControl(int c)
+{
+  return ( iscntrl (c) == 0 ? false : true);
+}
+
+
+// Checks for a digit (0 through 9).
+inline boolean isDigit(int c)
+{
+  return ( isdigit (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character except space.
+inline boolean isGraph(int c)
+{
+  return ( isgraph (c) == 0 ? false : true);
+}
+
+
+// Checks for a lower-case character.
+inline boolean isLowerCase(int c)
+{
+  return (islower (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character including space.
+inline boolean isPrintable(int c)
+{
+  return ( isprint (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character which is not a space 
+// or an alphanumeric character.
+inline boolean isPunct(int c)
+{
+  return ( ispunct (c) == 0 ? false : true);
+}
+
+
+// Checks for white-space characters. For the avr-libc library, 
+// these are: space, formfeed ('\f'), newline ('\n'), carriage 
+// return ('\r'), horizontal tab ('\t'), and vertical tab ('\v').
+inline boolean isSpace(int c)
+{
+  return ( isspace (c) == 0 ? false : true);
+}
+
+
+// Checks for an uppercase letter.
+inline boolean isUpperCase(int c)
+{
+  return ( isupper (c) == 0 ? false : true);
+}
+
+
+// Checks for a hexadecimal digits, i.e. one of 0 1 2 3 4 5 6 7 
+// 8 9 a b c d e f A B C D E F.
+inline boolean isHexadecimalDigit(int c)
+{
+  return ( isxdigit (c) == 0 ? false : true);
+}
+
+
+// Converts c to a 7-bit unsigned char value that fits into the 
+// ASCII character set, by clearing the high-order bits.
+inline int toAscii(int c)
+{
+  return toascii (c);
+}
+
+
+// Warning:
+// Many people will be unhappy if you use this function. 
+// This function will convert accented letters into random 
+// characters.
+
+// Converts the letter c to lower case, if possible.
+inline int toLowerCase(int c)
+{
+  return tolower (c);
+}
+
+
+// Converts the letter c to upper case, if possible.
+inline int toUpperCase(int c)
+{
+  return toupper (c);
+}
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/WConstants.h

+#include "wiring.h"

Marlin/Marlin/Gen7/cores/arduino/WInterrupts.c

+/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Wiring project - http://wiring.uniandes.edu.co
+
+  Copyright (c) 2004-05 Hernando Barragan
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+  
+  Modified 24 November 2006 by David A. Mellis
+*/
+
+#include <inttypes.h>
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+#include <stdio.h>
+
+#include "WConstants.h"
+#include "wiring_private.h"
+
+volatile static voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS];
+// volatile static voidFuncPtr twiIntFunc;
+
+void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode)
+{
+	if(interruptNum < EXTERNAL_NUM_INTERRUPTS)
+	{
+		intFunc[interruptNum] = userFunc;
+
+		//clear the config for the change settings
+		EICRA &= ~(B00000011 << (interruptNum * 2));
+
+		//set our mode.
+		EICRA |= (mode << (interruptNum * 2));
+
+		// Enable the interrupt.
+		EIMSK |= (1 << interruptNum);
+	}
+}
+
+void detachInterrupt(uint8_t interruptNum)
+{
+	if(interruptNum < EXTERNAL_NUM_INTERRUPTS)
+	{
+		// Disable the interrupt.
+		EIMSK &= ~(1 << interruptNum);
+
+		intFunc[interruptNum] = 0;
+	}
+}
+
+ISR(INT0_vect) {
+  if(intFunc[EXTERNAL_INT_0])
+    intFunc[EXTERNAL_INT_0]();
+}
+
+ISR(INT1_vect) {
+  if(intFunc[EXTERNAL_INT_1])
+    intFunc[EXTERNAL_INT_1]();
+}
+
+ISR(INT2_vect) {
+  if(intFunc[EXTERNAL_INT_2])
+    intFunc[EXTERNAL_INT_2]();
+}
+
+/*
+SIGNAL(SIG_2WIRE_SERIAL) {
+  if(twiIntFunc)
+    twiIntFunc();
+}
+*/
+

Marlin/Marlin/Gen7/cores/arduino/WMath.cpp

+/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Wiring project - http://wiring.org.co
+  Copyright (c) 2004-06 Hernando Barragan
+  Modified 13 August 2006, David A. Mellis for Arduino - http://www.arduino.cc/
+  
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+  
+  $Id$
+*/
+
+extern "C" {
+  #include "stdlib.h"
+}
+
+void randomSeed(unsigned int seed)
+{
+  if (seed != 0){
+    srandom(seed);
+  }
+}
+
+long random(long howbig)
+{
+  if (howbig == 0) {
+    return 0;
+  }
+  return random() % howbig;
+}
+
+long random(long howsmall, long howbig)
+{
+  if (howsmall >= howbig) {
+    return howsmall;
+  }
+  long diff = howbig - howsmall;
+  return random(diff) + howsmall;
+}
+
+long map(long x, long in_min, long in_max, long out_min, long out_max)
+{
+  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+
+unsigned int makeWord(unsigned int w) { return w; }
+unsigned int makeWord(unsigned char h, unsigned char l) { return (h << 8) | l; }

Marlin/Marlin/Gen7/cores/arduino/WProgram.h

+#ifndef WProgram_h
+#define WProgram_h
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include <avr/interrupt.h>
+
+#include "wiring.h"
+
+#ifdef __cplusplus
+#include "WCharacter.h"
+#include "WString.h"
+#include "HardwareSerial.h"
+
+uint16_t makeWord(uint16_t w);
+uint16_t makeWord(byte h, byte l);
+
+#define word(...) makeWord(__VA_ARGS__)
+
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);
+
+void tone(uint8_t _pin, unsigned int frequency, unsigned long duration = 0);
+void noTone(uint8_t _pin);
+
+// WMath prototypes
+long random(long);
+long random(long, long);
+void randomSeed(unsigned int);
+long map(long, long, long, long, long);
+#endif
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/WString.cpp

+/*
+  WString.cpp - String library for Wiring & Arduino
+  Copyright (c) 2009-10 Hernando Barragan.  All rights reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <stdlib.h>
+#include "WProgram.h"
+#include "WString.h"
+
+
+String::String( const char *value )
+{
+  if ( value == NULL )
+    value = "";
+  getBuffer( _length = strlen( value ) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, value );
+}
+
+String::String( const String &value )
+{
+  getBuffer( _length = value._length );
+  if ( _buffer != NULL )
+    strcpy( _buffer, value._buffer );
+}
+
+String::String( const char value )
+{
+  _length = 1;
+  getBuffer(1);
+  if ( _buffer != NULL ) {
+    _buffer[0] = value;
+    _buffer[1] = 0;
+  }
+}
+
+String::String( const unsigned char value )
+{
+  _length = 1;
+  getBuffer(1);
+  if ( _buffer != NULL) {
+    _buffer[0] = value;
+    _buffer[1] = 0;
+  }
+}
+
+String::String( const int value, const int base )
+{
+  char buf[33];   
+  itoa((signed long)value, buf, base);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+String::String( const unsigned int value, const int base )
+{
+  char buf[33];   
+  ultoa((unsigned long)value, buf, base);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+String::String( const long value, const int base )
+{
+  char buf[33];   
+  ltoa(value, buf, base);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+String::String( const unsigned long value, const int base )
+{
+  char buf[33];   
+  ultoa(value, buf, 10);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+char String::charAt( unsigned int loc ) const
+{
+  return operator[]( loc );
+}
+
+void String::setCharAt( unsigned int loc, const char aChar ) 
+{
+  if(_buffer == NULL) return;
+  if(_length > loc) {
+    _buffer[loc] = aChar;
+  }
+}
+
+int String::compareTo( const String &s2 ) const
+{
+  return strcmp( _buffer, s2._buffer );
+}
+
+const String & String::concat( const String &s2 )
+{
+  return (*this) += s2;
+}
+
+const String & String::operator=( const String &rhs )
+{
+  if ( this == &rhs )
+    return *this;
+
+  if ( rhs._length > _length )
+  {
+    free(_buffer);
+    getBuffer( rhs._length );
+  }
+  
+  if ( _buffer != NULL ) {
+    _length = rhs._length;
+    strcpy( _buffer, rhs._buffer );
+  }
+  return *this;
+}
+
+//const String & String::operator+=( const char aChar )
+//{
+//  if ( _length == _capacity )
+//    doubleBuffer();
+//
+//  _buffer[ _length++ ] = aChar;
+//  _buffer[ _length ] = '\0';
+//  return *this;
+//}
+
+const String & String::operator+=( const String &other )
+{
+  _length += other._length;
+  if ( _length > _capacity )
+  {
+    char *temp = (char *)realloc(_buffer, _length + 1);
+    if ( temp != NULL ) {
+      _buffer = temp;
+      _capacity = _length;
+    } else {
+      _length -= other._length;
+      return *this;
+    }
+  }
+  strcat( _buffer, other._buffer );
+  return *this;
+}
+
+
+int String::operator==( const String &rhs ) const
+{
+  return ( _length == rhs._length && strcmp( _buffer, rhs._buffer ) == 0 );
+}
+
+int String::operator!=( const String &rhs ) const
+{
+  return ( _length != rhs.length() || strcmp( _buffer, rhs._buffer ) != 0 );
+}
+
+int String::operator<( const String &rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) < 0;
+}
+
+int String::operator>( const String &rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) > 0;
+}
+
+int String::operator<=( const String &rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) <= 0;
+}
+
+int String::operator>=( const String & rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) >= 0;
+}
+
+char & String::operator[]( unsigned int index )
+{
+  static char dummy_writable_char;
+  if (index >= _length || !_buffer) {
+    dummy_writable_char = 0;
+    return dummy_writable_char;
+  }
+  return _buffer[ index ];
+}
+
+char String::operator[]( unsigned int index ) const
+{
+  // need to check for valid index, to do later
+  return _buffer[ index ];
+}
+
+boolean String::endsWith( const String &s2 ) const
+{
+  if ( _length < s2._length )
+    return 0;
+
+  return strcmp( &_buffer[ _length - s2._length], s2._buffer ) == 0;
+}
+
+boolean String::equals( const String &s2 ) const
+{
+  return ( _length == s2._length && strcmp( _buffer,s2._buffer ) == 0 );
+}
+
+boolean String::equalsIgnoreCase( const String &s2 ) const
+{
+  if ( this == &s2 )
+    return true; //1;
+  else if ( _length != s2._length )
+    return false; //0;
+
+  return strcmp(toLowerCase()._buffer, s2.toLowerCase()._buffer) == 0;
+}
+
+String String::replace( char findChar, char replaceChar )
+{
+  if ( _buffer == NULL ) return *this;
+  String theReturn = _buffer;
+  char* temp = theReturn._buffer;
+  while( (temp = strchr( temp, findChar )) != 0 )
+    *temp = replaceChar;
+
+  return theReturn;
+}
+
+String String::replace( const String& match, const String& replace )
+{
+  if ( _buffer == NULL ) return *this;
+  String temp = _buffer, newString;
+
+  int loc;
+  while ( (loc = temp.indexOf( match )) != -1 )
+  {
+    newString += temp.substring( 0, loc );
+    newString += replace;
+    temp = temp.substring( loc + match._length );
+  }
+  newString += temp;  
+  return newString;
+}
+
+int String::indexOf( char temp ) const
+{
+  return indexOf( temp, 0 );
+}
+
+int String::indexOf( char ch, unsigned int fromIndex ) const
+{
+  if ( fromIndex >= _length )
+    return -1;
+
+  const char* temp = strchr( &_buffer[fromIndex], ch );
+  if ( temp == NULL )
+    return -1;
+
+  return temp - _buffer;
+}
+
+int String::indexOf( const String &s2 ) const
+{
+  return indexOf( s2, 0 );
+}
+
+int String::indexOf( const String &s2, unsigned int fromIndex ) const
+{
+  if ( fromIndex >= _length )
+    return -1;
+
+  const char *theFind = strstr( &_buffer[ fromIndex ], s2._buffer );
+
+  if ( theFind == NULL )
+    return -1;
+
+  return theFind - _buffer; // pointer subtraction
+}
+
+int String::lastIndexOf( char theChar ) const
+{
+  return lastIndexOf( theChar, _length - 1 );
+}
+
+int String::lastIndexOf( char ch, unsigned int fromIndex ) const
+{
+  if ( fromIndex >= _length )
+    return -1;
+
+  char tempchar = _buffer[fromIndex + 1];
+  _buffer[fromIndex + 1] = '\0';
+  char* temp = strrchr( _buffer, ch );
+  _buffer[fromIndex + 1] = tempchar;
+
+  if ( temp == NULL )
+    return -1;
+
+  return temp - _buffer;
+}
+
+int String::lastIndexOf( const String &s2 ) const
+{
+  return lastIndexOf( s2, _length - s2._length );
+}
+
+int String::lastIndexOf( const String &s2, unsigned int fromIndex ) const
+{
+  // check for empty strings
+  if ( s2._length == 0 || s2._length - 1 > fromIndex || fromIndex >= _length )
+    return -1;
+
+  // matching first character
+  char temp = s2[ 0 ];
+
+  for ( int i = fromIndex; i >= 0; i-- )
+  {
+    if ( _buffer[ i ] == temp && (*this).substring( i, i + s2._length ).equals( s2 ) )
+    return i;
+  }
+  return -1;
+}
+
+boolean String::startsWith( const String &s2 ) const
+{
+  if ( _length < s2._length )
+    return 0;
+
+  return startsWith( s2, 0 );
+}
+
+boolean String::startsWith( const String &s2, unsigned int offset ) const
+{
+  if ( offset > _length - s2._length )
+    return 0;
+
+  return strncmp( &_buffer[offset], s2._buffer, s2._length ) == 0;
+}
+
+String String::substring( unsigned int left ) const
+{
+  return substring( left, _length );
+}
+
+String String::substring( unsigned int left, unsigned int right ) const
+{
+  if ( left > right )
+  {
+    int temp = right;
+    right = left;
+    left = temp;
+  }
+
+  if ( right > _length )
+  {
+    right = _length;
+  } 
+
+  char temp = _buffer[ right ];  // save the replaced character
+  _buffer[ right ] = '\0';	
+  String outPut = ( _buffer + left );  // pointer arithmetic
+  _buffer[ right ] = temp;  //restore character
+  return outPut;
+}
+
+String String::toLowerCase() const
+{
+  String temp = _buffer;
+
+  for ( unsigned int i = 0; i < _length; i++ )
+    temp._buffer[ i ] = (char)tolower( temp._buffer[ i ] );
+  return temp;
+}
+
+String String::toUpperCase() const
+{
+  String temp = _buffer;
+
+  for ( unsigned int i = 0; i < _length; i++ )
+    temp._buffer[ i ] = (char)toupper( temp._buffer[ i ] );
+  return temp;
+}
+
+String String::trim() const
+{
+  if ( _buffer == NULL ) return *this;
+  String temp = _buffer;
+  unsigned int i,j;
+
+  for ( i = 0; i < _length; i++ )
+  {
+    if ( !isspace(_buffer[i]) )
+      break;
+  }
+
+  for ( j = temp._length - 1; j > i; j-- )
+  {
+    if ( !isspace(_buffer[j]) )
+      break;
+  }
+
+  return temp.substring( i, j + 1);
+}
+
+void String::getBytes(unsigned char *buf, unsigned int bufsize)
+{
+  if (!bufsize || !buf) return;
+  unsigned int len = bufsize - 1;
+  if (len > _length) len = _length;
+  strncpy((char *)buf, _buffer, len);
+  buf[len] = 0;
+}
+
+void String::toCharArray(char *buf, unsigned int bufsize)
+{
+  if (!bufsize || !buf) return;
+  unsigned int len = bufsize - 1;
+  if (len > _length) len = _length;
+  strncpy(buf, _buffer, len);
+  buf[len] = 0;
+}
+
+
+long String::toInt() {
+  return atol(_buffer);
+}

Marlin/Marlin/Gen7/cores/arduino/WString.h

+/*
+  WString.h - String library for Wiring & Arduino
+  Copyright (c) 2009-10 Hernando Barragan.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef String_h
+#define String_h
+
+//#include "WProgram.h"
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+class String
+{
+  public:
+    // constructors
+    String( const char *value = "" );
+    String( const String &value );
+    String( const char );
+    String( const unsigned char );
+    String( const int, const int base=10);
+    String( const unsigned int, const int base=10 );
+    String( const long, const int base=10 );
+    String( const unsigned long, const int base=10 );
+    ~String() { free(_buffer); _length = _capacity = 0;}     //added _length = _capacity = 0;
+
+    // operators
+    const String & operator = ( const String &rhs );
+    const String & operator +=( const String &rhs );
+    //const String & operator +=( const char );
+    int operator ==( const String &rhs ) const;
+    int	operator !=( const String &rhs ) const;
+    int	operator < ( const String &rhs ) const;
+    int	operator > ( const String &rhs ) const;
+    int	operator <=( const String &rhs ) const;
+    int	operator >=( const String &rhs ) const;
+    char operator []( unsigned int index ) const;
+    char& operator []( unsigned int index );
+    //operator const char *() const { return _buffer; }
+    
+    // general methods
+    char charAt( unsigned int index ) const;
+    int	compareTo( const String &anotherString ) const;
+    unsigned char endsWith( const String &suffix ) const;
+    unsigned char equals( const String &anObject ) const;
+    unsigned char equalsIgnoreCase( const String &anotherString ) const;
+    int	indexOf( char ch ) const;
+    int	indexOf( char ch, unsigned int fromIndex ) const;
+    int	indexOf( const String &str ) const;
+    int	indexOf( const String &str, unsigned int fromIndex ) const;
+    int	lastIndexOf( char ch ) const;
+    int	lastIndexOf( char ch, unsigned int fromIndex ) const;
+    int	lastIndexOf( const String &str ) const;
+    int	lastIndexOf( const String &str, unsigned int fromIndex ) const;
+    const unsigned int length( ) const { return _length; }
+    void setCharAt(unsigned int index, const char ch);
+    unsigned char startsWith( const String &prefix ) const;
+    unsigned char startsWith( const String &prefix, unsigned int toffset ) const;
+    String substring( unsigned int beginIndex ) const;
+    String substring( unsigned int beginIndex, unsigned int endIndex ) const;
+    String toLowerCase( ) const;
+    String toUpperCase( ) const;
+    String trim( ) const;
+    void getBytes(unsigned char *buf, unsigned int bufsize);
+    void toCharArray(char *buf, unsigned int bufsize);
+    long toInt( );
+    const String& concat( const String &str );
+    String replace( char oldChar, char newChar );
+    String replace( const String& match, const String& replace );
+    friend String operator + ( String lhs, const String &rhs );
+
+  protected:
+    char *_buffer;	     // the actual char array
+    unsigned int _capacity;  // the array length minus one (for the '\0')
+    unsigned int _length;    // the String length (not counting the '\0')
+
+    void getBuffer(unsigned int maxStrLen);
+
+  private:
+
+};
+
+// allocate buffer space
+inline void String::getBuffer(unsigned int maxStrLen)
+{
+  _capacity = maxStrLen;
+  _buffer = (char *) malloc(_capacity + 1);
+  if (_buffer == NULL) _length = _capacity = 0;
+}
+
+inline String operator+( String lhs, const String &rhs )
+{
+  return lhs += rhs;
+}
+
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/binary.h

+#ifndef Binary_h
+#define Binary_h
+
+#define B0 0
+#define B00 0
+#define B000 0
+#define B0000 0
+#define B00000 0
+#define B000000 0
+#define B0000000 0
+#define B00000000 0
+#define B1 1
+#define B01 1
+#define B001 1
+#define B0001 1
+#define B00001 1
+#define B000001 1
+#define B0000001 1
+#define B00000001 1
+#define B10 2
+#define B010 2
+#define B0010 2
+#define B00010 2
+#define B000010 2
+#define B0000010 2
+#define B00000010 2
+#define B11 3
+#define B011 3
+#define B0011 3
+#define B00011 3
+#define B000011 3
+#define B0000011 3
+#define B00000011 3
+#define B100 4
+#define B0100 4
+#define B00100 4
+#define B000100 4
+#define B0000100 4
+#define B00000100 4
+#define B101 5
+#define B0101 5
+#define B00101 5
+#define B000101 5
+#define B0000101 5
+#define B00000101 5
+#define B110 6
+#define B0110 6
+#define B00110 6
+#define B000110 6
+#define B0000110 6
+#define B00000110 6
+#define B111 7
+#define B0111 7
+#define B00111 7
+#define B000111 7
+#define B0000111 7
+#define B00000111 7
+#define B1000 8
+#define B01000 8
+#define B001000 8
+#define B0001000 8
+#define B00001000 8
+#define B1001 9
+#define B01001 9
+#define B001001 9
+#define B0001001 9
+#define B00001001 9
+#define B1010 10
+#define B01010 10
+#define B001010 10
+#define B0001010 10
+#define B00001010 10
+#define B1011 11
+#define B01011 11
+#define B001011 11
+#define B0001011 11
+#define B00001011 11
+#define B1100 12
+#define B01100 12
+#define B001100 12
+#define B0001100 12
+#define B00001100 12
+#define B1101 13
+#define B01101 13
+#define B001101 13
+#define B0001101 13
+#define B00001101 13
+#define B1110 14
+#define B01110 14
+#define B001110 14
+#define B0001110 14
+#define B00001110 14
+#define B1111 15
+#define B01111 15
+#define B001111 15
+#define B0001111 15
+#define B00001111 15
+#define B10000 16
+#define B010000 16
+#define B0010000 16
+#define B00010000 16
+#define B10001 17
+#define B010001 17
+#define B0010001 17
+#define B00010001 17
+#define B10010 18
+#define B010010 18
+#define B0010010 18
+#define B00010010 18
+#define B10011 19
+#define B010011 19
+#define B0010011 19
+#define B00010011 19
+#define B10100 20
+#define B010100 20
+#define B0010100 20
+#define B00010100 20
+#define B10101 21
+#define B010101 21
+#define B0010101 21
+#define B00010101 21
+#define B10110 22
+#define B010110 22
+#define B0010110 22
+#define B00010110 22
+#define B10111 23
+#define B010111 23
+#define B0010111 23
+#define B00010111 23
+#define B11000 24
+#define B011000 24
+#define B0011000 24
+#define B00011000 24
+#define B11001 25
+#define B011001 25
+#define B0011001 25
+#define B00011001 25
+#define B11010 26
+#define B011010 26
+#define B0011010 26
+#define B00011010 26
+#define B11011 27
+#define B011011 27
+#define B0011011 27
+#define B00011011 27
+#define B11100 28
+#define B011100 28
+#define B0011100 28
+#define B00011100 28
+#define B11101 29
+#define B011101 29
+#define B0011101 29
+#define B00011101 29
+#define B11110 30
+#define B011110 30
+#define B0011110 30
+#define B00011110 30
+#define B11111 31
+#define B011111 31
+#define B0011111 31
+#define B00011111 31
+#define B100000 32
+#define B0100000 32
+#define B00100000 32
+#define B100001 33
+#define B0100001 33
+#define B00100001 33
+#define B100010 34
+#define B0100010 34
+#define B00100010 34
+#define B100011 35
+#define B0100011 35
+#define B00100011 35
+#define B100100 36
+#define B0100100 36
+#define B00100100 36
+#define B100101 37
+#define B0100101 37
+#define B00100101 37
+#define B100110 38
+#define B0100110 38
+#define B00100110 38
+#define B100111 39
+#define B0100111 39
+#define B00100111 39
+#define B101000 40
+#define B0101000 40
+#define B00101000 40
+#define B101001 41
+#define B0101001 41
+#define B00101001 41
+#define B101010 42
+#define B0101010 42
+#define B00101010 42
+#define B101011 43
+#define B0101011 43
+#define B00101011 43
+#define B101100 44
+#define B0101100 44
+#define B00101100 44
+#define B101101 45
+#define B0101101 45
+#define B00101101 45
+#define B101110 46
+#define B0101110 46
+#define B00101110 46
+#define B101111 47
+#define B0101111 47
+#define B00101111 47
+#define B110000 48
+#define B0110000 48
+#define B00110000 48
+#define B110001 49
+#define B0110001 49
+#define B00110001 49
+#define B110010 50
+#define B0110010 50
+#define B00110010 50
+#define B110011 51
+#define B0110011 51
+#define B00110011 51
+#define B110100 52
+#define B0110100 52
+#define B00110100 52
+#define B110101 53
+#define B0110101 53
+#define B00110101 53
+#define B110110 54
+#define B0110110 54
+#define B00110110 54
+#define B110111 55
+#define B0110111 55
+#define B00110111 55
+#define B111000 56
+#define B0111000 56
+#define B00111000 56
+#define B111001 57
+#define B0111001 57
+#define B00111001 57
+#define B111010 58
+#define B0111010 58
+#define B00111010 58
+#define B111011 59
+#define B0111011 59
+#define B00111011 59
+#define B111100 60
+#define B0111100 60
+#define B00111100 60
+#define B111101 61
+#define B0111101 61
+#define B00111101 61
+#define B111110 62
+#define B0111110 62
+#define B00111110 62
+#define B111111 63
+#define B0111111 63
+#define B00111111 63
+#define B1000000 64
+#define B01000000 64
+#define B1000001 65
+#define B01000001 65
+#define B1000010 66
+#define B01000010 66
+#define B1000011 67
+#define B01000011 67
+#define B1000100 68
+#define B01000100 68
+#define B1000101 69
+#define B01000101 69
+#define B1000110 70
+#define B01000110 70
+#define B1000111 71
+#define B01000111 71
+#define B1001000 72
+#define B01001000 72
+#define B1001001 73
+#define B01001001 73
+#define B1001010 74
+#define B01001010 74
+#define B1001011 75
+#define B01001011 75
+#define B1001100 76
+#define B01001100 76
+#define B1001101 77
+#define B01001101 77
+#define B1001110 78
+#define B01001110 78
+#define B1001111 79
+#define B01001111 79
+#define B1010000 80
+#define B01010000 80
+#define B1010001 81
+#define B01010001 81
+#define B1010010 82
+#define B01010010 82
+#define B1010011 83
+#define B01010011 83
+#define B1010100 84
+#define B01010100 84
+#define B1010101 85
+#define B01010101 85
+#define B1010110 86
+#define B01010110 86
+#define B1010111 87
+#define B01010111 87
+#define B1011000 88
+#define B01011000 88
+#define B1011001 89
+#define B01011001 89
+#define B1011010 90
+#define B01011010 90
+#define B1011011 91
+#define B01011011 91
+#define B1011100 92
+#define B01011100 92
+#define B1011101 93
+#define B01011101 93
+#define B1011110 94
+#define B01011110 94
+#define B1011111 95
+#define B01011111 95
+#define B1100000 96
+#define B01100000 96
+#define B1100001 97
+#define B01100001 97
+#define B1100010 98
+#define B01100010 98
+#define B1100011 99
+#define B01100011 99
+#define B1100100 100
+#define B01100100 100
+#define B1100101 101
+#define B01100101 101
+#define B1100110 102
+#define B01100110 102
+#define B1100111 103
+#define B01100111 103
+#define B1101000 104
+#define B01101000 104
+#define B1101001 105
+#define B01101001 105
+#define B1101010 106
+#define B01101010 106
+#define B1101011 107
+#define B01101011 107
+#define B1101100 108
+#define B01101100 108
+#define B1101101 109
+#define B01101101 109
+#define B1101110 110
+#define B01101110 110
+#define B1101111 111
+#define B01101111 111
+#define B1110000 112
+#define B01110000 112
+#define B1110001 113
+#define B01110001 113
+#define B1110010 114
+#define B01110010 114
+#define B1110011 115
+#define B01110011 115
+#define B1110100 116
+#define B01110100 116
+#define B1110101 117
+#define B01110101 117
+#define B1110110 118
+#define B01110110 118
+#define B1110111 119
+#define B01110111 119
+#define B1111000 120
+#define B01111000 120
+#define B1111001 121
+#define B01111001 121
+#define B1111010 122
+#define B01111010 122
+#define B1111011 123
+#define B01111011 123
+#define B1111100 124
+#define B01111100 124
+#define B1111101 125
+#define B01111101 125
+#define B1111110 126
+#define B01111110 126
+#define B1111111 127
+#define B01111111 127
+#define B10000000 128
+#define B10000001 129
+#define B10000010 130
+#define B10000011 131
+#define B10000100 132
+#define B10000101 133
+#define B10000110 134
+#define B10000111 135
+#define B10001000 136
+#define B10001001 137
+#define B10001010 138
+#define B10001011 139
+#define B10001100 140
+#define B10001101 141
+#define B10001110 142
+#define B10001111 143
+#define B10010000 144
+#define B10010001 145
+#define B10010010 146
+#define B10010011 147
+#define B10010100 148
+#define B10010101 149
+#define B10010110 150
+#define B10010111 151
+#define B10011000 152
+#define B10011001 153
+#define B10011010 154
+#define B10011011 155
+#define B10011100 156
+#define B10011101 157
+#define B10011110 158
+#define B10011111 159
+#define B10100000 160
+#define B10100001 161
+#define B10100010 162
+#define B10100011 163
+#define B10100100 164
+#define B10100101 165
+#define B10100110 166
+#define B10100111 167
+#define B10101000 168
+#define B10101001 169
+#define B10101010 170
+#define B10101011 171
+#define B10101100 172
+#define B10101101 173
+#define B10101110 174
+#define B10101111 175
+#define B10110000 176
+#define B10110001 177
+#define B10110010 178
+#define B10110011 179
+#define B10110100 180
+#define B10110101 181
+#define B10110110 182
+#define B10110111 183
+#define B10111000 184
+#define B10111001 185
+#define B10111010 186
+#define B10111011 187
+#define B10111100 188
+#define B10111101 189
+#define B10111110 190
+#define B10111111 191
+#define B11000000 192
+#define B11000001 193
+#define B11000010 194
+#define B11000011 195
+#define B11000100 196
+#define B11000101 197
+#define B11000110 198
+#define B11000111 199
+#define B11001000 200
+#define B11001001 201
+#define B11001010 202
+#define B11001011 203
+#define B11001100 204
+#define B11001101 205
+#define B11001110 206
+#define B11001111 207
+#define B11010000 208
+#define B11010001 209
+#define B11010010 210
+#define B11010011 211
+#define B11010100 212
+#define B11010101 213
+#define B11010110 214
+#define B11010111 215
+#define B11011000 216
+#define B11011001 217
+#define B11011010 218
+#define B11011011 219
+#define B11011100 220
+#define B11011101 221
+#define B11011110 222
+#define B11011111 223
+#define B11100000 224
+#define B11100001 225
+#define B11100010 226
+#define B11100011 227
+#define B11100100 228
+#define B11100101 229
+#define B11100110 230
+#define B11100111 231
+#define B11101000 232
+#define B11101001 233
+#define B11101010 234
+#define B11101011 235
+#define B11101100 236
+#define B11101101 237
+#define B11101110 238
+#define B11101111 239
+#define B11110000 240
+#define B11110001 241
+#define B11110010 242
+#define B11110011 243
+#define B11110100 244
+#define B11110101 245
+#define B11110110 246
+#define B11110111 247
+#define B11111000 248
+#define B11111001 249
+#define B11111010 250
+#define B11111011 251
+#define B11111100 252
+#define B11111101 253
+#define B11111110 254
+#define B11111111 255
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/main.cpp

+#include <WProgram.h>
+
+int main(void)
+{
+	init();
+
+	setup();
+    
+	for (;;)
+		loop();
+        
+	return 0;
+}
+

Marlin/Marlin/Gen7/cores/arduino/main.cxx

+int main(void)
+{
+	init();
+
+	setup();
+    
+	for (;;)
+		loop();
+        
+	return 0;
+}
+

Marlin/Marlin/Gen7/cores/arduino/pins_arduino.c

+/*
+  pins_arduino.c - pin definitions for the Arduino board
+  Part of Arduino / Wiring Lite
+
+  Copyright (c) 2005 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: pins_arduino.c 254 2007-04-20 23:17:38Z mellis $
+*/
+
+#include <avr/io.h>
+#include "wiring_private.h"
+#include "pins_arduino.h"
+
+// On the Sanguino board, digital pins are also used
+// for the analog output (software PWM).  Analog input
+// pins are a separate set.
+
+// ATMEL ATMEGA644P / SANGUINO
+//
+//                   +---\/---+
+//  INT0 (D 0) PB0  1|        |40  PA0 (AI 0 / D31)
+//  INT1 (D 1) PB1  2|        |39  PA1 (AI 1 / D30)
+//  INT2 (D 2) PB2  3|        |38  PA2 (AI 2 / D29)
+//   PWM (D 3) PB3  4|        |37  PA3 (AI 3 / D28)
+//   PWM (D 4) PB4  5|        |36  PA4 (AI 4 / D27)
+//  MOSI (D 5) PB5  6|        |35  PA5 (AI 5 / D26)
+//  MISO (D 6) PB6  7|        |34  PA6 (AI 6 / D25)
+//   SCK (D 7) PB7  8|        |33  PA7 (AI 7 / D24)
+//             RST  9|        |32  AREF
+//             VCC 10|        |31  GND 
+//             GND 11|        |30  AVCC
+//           XTAL2 12|        |29  PC7 (D 23)
+//           XTAL1 13|        |28  PC6 (D 22)
+//  RX0 (D 8)  PD0 14|        |27  PC5 (D 21) TDI
+//  TX0 (D 9)  PD1 15|        |26  PC4 (D 20) TDO
+//  RX1 (D 10) PD2 16|        |25  PC3 (D 19) TMS
+//  TX1 (D 11) PD3 17|        |24  PC2 (D 18) TCK
+//  PWM (D 12) PD4 18|        |23  PC1 (D 17) SDA
+//  PWM (D 13) PD5 19|        |22  PC0 (D 16) SCL
+//  PWM (D 14) PD6 20|        |21  PD7 (D 15) PWM
+//                   +--------+
+//
+
+#define PA 1
+#define PB 2
+#define PC 3
+#define PD 4
+
+// these arrays map port names (e.g. port B) to the
+// appropriate addresses for various functions (e.g. reading
+// and writing)
+const uint8_t PROGMEM port_to_mode_PGM[] =
+{
+	NOT_A_PORT,
+        (uint8_t) &DDRA,
+	(uint8_t) &DDRB,
+	(uint8_t) &DDRC,
+	(uint8_t) &DDRD,
+};
+
+const uint8_t PROGMEM port_to_output_PGM[] =
+{
+	NOT_A_PORT,
+	(uint8_t) &PORTA,
+	(uint8_t) &PORTB,
+	(uint8_t) &PORTC,
+	(uint8_t) &PORTD,
+};
+
+const uint8_t PROGMEM port_to_input_PGM[] =
+{
+	NOT_A_PORT,
+	(uint8_t) &PINA,
+	(uint8_t) &PINB,
+	(uint8_t) &PINC,
+	(uint8_t) &PIND,
+};
+
+const uint8_t PROGMEM digital_pin_to_port_PGM[] =
+{
+	PB, /* 0 */
+	PB,
+	PB,
+	PB,
+	PB,
+	PB,
+	PB,
+	PB,
+	PD, /* 8 */
+	PD,
+	PD,
+	PD,
+	PD,
+	PD,
+	PD,
+	PD,
+	PC, /* 16 */
+	PC,
+	PC,
+	PC,
+	PC,
+	PC,
+   	PC,
+	PC,
+	PA, /* 24 */
+	PA,
+	PA,
+	PA,
+	PA,
+	PA,
+	PA,
+	PA  /* 31 */
+};
+
+const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] =
+{
+	_BV(0), /* 0, port B */
+	_BV(1),
+	_BV(2),
+	_BV(3),
+	_BV(4),
+	_BV(5),
+	_BV(6),
+	_BV(7),
+	_BV(0), /* 8, port D */
+	_BV(1),
+	_BV(2),
+	_BV(3),
+	_BV(4),
+	_BV(5),
+	_BV(6),
+	_BV(7),
+	_BV(0), /* 16, port C */
+	_BV(1),
+	_BV(2),
+	_BV(3),
+	_BV(4),
+	_BV(5),
+	_BV(6),
+	_BV(7),
+	_BV(7), /* 24, port A */
+	_BV(6),
+	_BV(5),
+	_BV(4),
+	_BV(3),
+	_BV(2),
+	_BV(1),
+	_BV(0)
+};
+
+const uint8_t PROGMEM digital_pin_to_timer_PGM[] =
+{
+	NOT_ON_TIMER, 	/* 0  - PB0 */
+	NOT_ON_TIMER, 	/* 1  - PB1 */
+	NOT_ON_TIMER, 	/* 2  - PB2 */
+	TIMER0A,     	/* 3  - PB3 */
+	TIMER0B, 		/* 4  - PB4 */
+	NOT_ON_TIMER, 	/* 5  - PB5 */
+	NOT_ON_TIMER, 	/* 6  - PB6 */
+	NOT_ON_TIMER,	/* 7  - PB7 */
+	NOT_ON_TIMER, 	/* 8  - PD0 */
+	NOT_ON_TIMER, 	/* 9  - PD1 */
+	NOT_ON_TIMER, 	/* 10 - PD2 */
+	NOT_ON_TIMER, 	/* 11 - PD3 */
+	TIMER1B,     	/* 12 - PD4 */
+	TIMER1A,     	/* 13 - PD5 */
+	TIMER2B,     	/* 14 - PD6 */
+	TIMER2A,     	/* 15 - PD7 */
+	NOT_ON_TIMER, 	/* 16 - PC0 */
+	NOT_ON_TIMER,   /* 17 - PC1 */
+	NOT_ON_TIMER,   /* 18 - PC2 */
+	NOT_ON_TIMER,   /* 19 - PC3 */
+	NOT_ON_TIMER,   /* 20 - PC4 */
+	NOT_ON_TIMER,   /* 21 - PC5 */
+	NOT_ON_TIMER,   /* 22 - PC6 */
+	NOT_ON_TIMER,   /* 23 - PC7 */
+	NOT_ON_TIMER,   /* 24 - PA0 */
+	NOT_ON_TIMER,   /* 25 - PA1 */
+	NOT_ON_TIMER,   /* 26 - PA2 */
+	NOT_ON_TIMER,   /* 27 - PA3 */
+	NOT_ON_TIMER,   /* 28 - PA4 */
+	NOT_ON_TIMER,   /* 29 - PA5 */
+	NOT_ON_TIMER,   /* 30 - PA6 */
+	NOT_ON_TIMER   /* 31 - PA7 */
+};

Marlin/Marlin/Gen7/cores/arduino/pins_arduino.h

+/*
+  pins_arduino.h - Pin definition functions for Arduino
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2007 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
+*/
+
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <avr/pgmspace.h>
+
+#define NOT_A_PIN 0
+#define NOT_A_PORT 0
+
+#define NOT_ON_TIMER 0
+#define TIMER0A 1
+#define TIMER0B 2
+#define TIMER1A 3
+#define TIMER1B 4
+#define TIMER2  5
+#define TIMER2A 6
+#define TIMER2B 7
+
+extern const uint8_t PROGMEM port_to_mode_PGM[];
+extern const uint8_t PROGMEM port_to_input_PGM[];
+extern const uint8_t PROGMEM port_to_output_PGM[];
+
+extern const uint8_t PROGMEM digital_pin_to_port_PGM[];
+extern const uint8_t PROGMEM digital_pin_to_bit_PGM[];
+extern const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[];
+
+extern const uint8_t PROGMEM digital_pin_to_timer_PGM[];
+
+// Get the bit location within the hardware port of the given virtual pin.
+// This comes from the pins_*.c file for the active board configuration.
+// 
+// These perform slightly better as macros compared to inline functions
+//
+#define digitalPinToPort(P) ( pgm_read_byte( digital_pin_to_port_PGM + (P) ) )
+#define digitalPinToBitMask(P) ( pgm_read_byte( digital_pin_to_bit_mask_PGM + (P) ) )
+#define digitalPinToTimer(P) ( pgm_read_byte( digital_pin_to_timer_PGM + (P) ) )
+#define analogInPinToBit(P) (P)
+#define portOutputRegister(P) ( (volatile uint8_t *)( pgm_read_byte( port_to_output_PGM + (P))) )
+#define portInputRegister(P) ( (volatile uint8_t *)( pgm_read_byte( port_to_input_PGM + (P))) )
+#define portModeRegister(P) ( (volatile uint8_t *)( pgm_read_byte( port_to_mode_PGM + (P))) )
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/wiring.c

+/*
+  wiring.c - Partial implementation of the Wiring API for the ATmega8.
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.c 388 2008-03-08 22:05:23Z mellis $
+*/
+
+#include "wiring_private.h"
+
+volatile unsigned long timer0_overflow_count = 0;
+volatile unsigned long timer0_clock_cycles = 0;
+volatile unsigned long timer0_millis = 0;
+
+SIGNAL(TIMER0_OVF_vect)
+{
+	timer0_overflow_count++;
+	// timer 0 prescale factor is 64 and the timer overflows at 256
+	timer0_clock_cycles += 64UL * 256UL;
+	while (timer0_clock_cycles > clockCyclesPerMicrosecond() * 1000UL) {
+		timer0_clock_cycles -= clockCyclesPerMicrosecond() * 1000UL;
+		timer0_millis++;
+	}
+}
+
+unsigned long millis()
+{
+	unsigned long m;
+	uint8_t oldSREG = SREG;
+	
+	// disable interrupts while we read timer0_millis or we might get an
+	// inconsistent value (e.g. in the middle of the timer0_millis++)
+	cli();
+	m = timer0_millis;
+	SREG = oldSREG;
+	
+	return m;
+}
+
+unsigned long micros() {
+	unsigned long m, t;
+	uint8_t oldSREG = SREG;
+	
+	cli();	
+	t = TCNT0;
+  
+#ifdef TIFR0
+	if ((TIFR0 & _BV(TOV0)) && (t == 0))
+		t = 256;
+#else
+	if ((TIFR & _BV(TOV0)) && (t == 0))
+		t = 256;
+#endif
+
+	m = timer0_overflow_count;
+	SREG = oldSREG;
+	
+	return ((m << 8) + t) * (64 / clockCyclesPerMicrosecond());
+}
+
+void delay(unsigned long ms)
+{
+	unsigned long start = millis();
+	
+	while (millis() - start <= ms)
+		;
+}
+
+/* Delay for the given number of microseconds.  Assumes a 8 or 16 MHz clock. 
+ * Disables interrupts, which will disrupt the millis() function if used
+ * too frequently. */
+void delayMicroseconds(unsigned int us)
+{
+	uint8_t oldSREG;
+
+	// calling avrlib's delay_us() function with low values (e.g. 1 or
+	// 2 microseconds) gives delays longer than desired.
+	//delay_us(us);
+
+#if F_CPU >= 16000000L
+	// for the 16 MHz clock on most Arduino boards
+
+	// for a one-microsecond delay, simply return.  the overhead
+	// of the function call yields a delay of approximately 1 1/8 us.
+	if (--us == 0)
+		return;
+
+	// the following loop takes a quarter of a microsecond (4 cycles)
+	// per iteration, so execute it four times for each microsecond of
+	// delay requested.
+	us <<= 2;
+
+	// account for the time taken in the preceeding commands.
+	us -= 2;
+#else
+	// for the 8 MHz internal clock on the ATmega168
+
+	// for a one- or two-microsecond delay, simply return.  the overhead of
+	// the function calls takes more than two microseconds.  can't just
+	// subtract two, since us is unsigned; we'd overflow.
+	if (--us == 0)
+		return;
+	if (--us == 0)
+		return;
+
+	// the following loop takes half of a microsecond (4 cycles)
+	// per iteration, so execute it twice for each microsecond of
+	// delay requested.
+	us <<= 1;
+
+	// partially compensate for the time taken by the preceeding commands.
+	// we can't subtract any more than this or we'd overflow w/ small delays.
+	us--;
+#endif
+
+	// disable interrupts, otherwise the timer 0 overflow interrupt that
+	// tracks milliseconds will make us delay longer than we want.
+	oldSREG = SREG;
+	cli();
+
+	// busy wait
+	__asm__ __volatile__ (
+		"1: sbiw %0,1" "\n\t" // 2 cycles
+		"brne 1b" : "=w" (us) : "0" (us) // 2 cycles
+	);
+
+	// reenable interrupts.
+	SREG = oldSREG;
+}
+
+void init()
+{
+	// this needs to be called before setup() or some functions won't
+	// work there
+	sei();
+	
+	// on the ATmega168, timer 0 is also used for fast hardware pwm
+	// (using phase-correct PWM would mean that timer 0 overflowed half as often
+	// resulting in different millis() behavior on the ATmega8 and ATmega168)
+	sbi(TCCR0A, WGM01);
+	sbi(TCCR0A, WGM00);
+
+	// set timer 0 prescale factor to 64
+	sbi(TCCR0B, CS01);
+	sbi(TCCR0B, CS00);
+
+	// enable timer 0 overflow interrupt
+	sbi(TIMSK0, TOIE0);
+
+	// timers 1 and 2 are used for phase-correct hardware pwm
+	// this is better for motors as it ensures an even waveform
+	// note, however, that fast pwm mode can achieve a frequency of up
+	// 8 MHz (with a 16 MHz clock) at 50% duty cycle
+
+	// set timer 1 prescale factor to 64
+	sbi(TCCR1B, CS11);
+	sbi(TCCR1B, CS10);
+
+	// put timer 1 in 8-bit phase correct pwm mode
+	sbi(TCCR1A, WGM10);
+
+	// set timer 2 prescale factor to 64
+	sbi(TCCR2B, CS22);
+
+	// configure timer 2 for phase correct pwm (8-bit)
+	sbi(TCCR2A, WGM20);
+
+	// set a2d prescale factor to 128
+	// 16 MHz / 128 = 125 KHz, inside the desired 50-200 KHz range.
+	// XXX: this will not work properly for other clock speeds, and
+	// this code should use F_CPU to determine the prescale factor.
+	sbi(ADCSRA, ADPS2);
+	sbi(ADCSRA, ADPS1);
+	sbi(ADCSRA, ADPS0);
+
+	// enable a2d conversions
+	sbi(ADCSRA, ADEN);
+
+	// the bootloader connects pins 0 and 1 to the USART; disconnect them
+	// here so they can be used as normal digital i/o; they will be
+	// reconnected in Serial.begin()
+	UCSR0B = 0;
+	#if defined(__AVR_ATmega644P__)
+	//TODO: test to see if disabling this helps?
+	//UCSR1B = 0;
+	#endif
+}

Marlin/Marlin/Gen7/cores/arduino/wiring.h

+/*
+  wiring.h - Partial implementation of the Wiring API for the ATmega8.
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.h 387 2008-03-08 21:30:00Z mellis $
+*/
+
+#ifndef Wiring_h
+#define Wiring_h
+
+#include <avr/io.h>
+#include "binary.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#define HIGH 0x1
+#define LOW  0x0
+
+#define INPUT 0x0
+#define OUTPUT 0x1
+
+#define true 0x1
+#define false 0x0
+
+#define PI 3.14159265
+#define HALF_PI 1.57079
+#define TWO_PI 6.283185
+#define DEG_TO_RAD 0.01745329
+#define RAD_TO_DEG 57.2957786
+
+#define SERIAL  0x0
+#define DISPLAY 0x1
+
+#define LSBFIRST 0
+#define MSBFIRST 1
+
+#define CHANGE 1
+#define FALLING 2
+#define RISING 3
+
+#define INTERNAL 3
+#define DEFAULT 1
+#define EXTERNAL 0
+
+// undefine stdlib's abs if encountered
+#ifdef abs
+#undef abs
+#endif
+
+#define min(a,b) ((a)<(b)?(a):(b))
+#define max(a,b) ((a)>(b)?(a):(b))
+#define abs(x) ((x)>0?(x):-(x))
+#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
+#define round(x)     ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
+#define radians(deg) ((deg)*DEG_TO_RAD)
+#define degrees(rad) ((rad)*RAD_TO_DEG)
+#define sq(x) ((x)*(x))
+
+#define interrupts() sei()
+#define noInterrupts() cli()
+
+#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L )
+#define clockCyclesToMicroseconds(a) ( (a) / clockCyclesPerMicrosecond() )
+#define microsecondsToClockCycles(a) ( (a) * clockCyclesPerMicrosecond() )
+
+#define lowByte(w) ((w) & 0xff)
+#define highByte(w) ((w) >> 8)
+
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitSet(value, bit) ((value) |= (1UL << (bit)))
+#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
+#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
+
+typedef unsigned int word;
+
+#define bit(b) (1 << (b))
+
+typedef uint8_t boolean;
+typedef uint8_t byte;
+
+void init(void);
+
+void pinMode(uint8_t, uint8_t);
+void digitalWrite(uint8_t, uint8_t);
+int digitalRead(uint8_t);
+int analogRead(uint8_t);
+void analogReference(uint8_t mode);
+void analogWrite(uint8_t, int);
+
+void beginSerial(uint8_t, long);
+void serialWrite(uint8_t, unsigned char);
+int serialAvailable(uint8_t);
+int serialRead(uint8_t);
+void serialFlush(uint8_t);
+
+unsigned long millis(void);
+unsigned long micros(void);
+void delay(unsigned long);
+void delayMicroseconds(unsigned int us);
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout);
+
+void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, byte val);
+
+void attachInterrupt(uint8_t, void (*)(void), int mode);
+void detachInterrupt(uint8_t);
+
+void setup(void);
+void loop(void);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/wiring_analog.c

+/*
+  wiring_analog.c - analog input and output
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wiring_private.h"
+#include "pins_arduino.h"
+
+uint8_t analog_reference = DEFAULT;
+
+void analogReference(uint8_t mode)
+{
+	// can't actually set the register here because the default setting
+	// will connect AVCC and the AREF pin, which would cause a short if
+	// there's something connected to AREF.
+	analog_reference = mode;
+}
+
+int analogRead(uint8_t pin)
+{
+	uint8_t low, high, ch = analogInPinToBit(pin);
+
+	// set the analog reference (high two bits of ADMUX) and select the
+	// channel (low 4 bits).  this also sets ADLAR (left-adjust result)
+	// to 0 (the default).
+	// the final AND is to clear the pos/neg reference bits
+	ADMUX = ((analog_reference << 6) | (pin & 0x0f)) & B11000111;
+
+	// without a delay, we seem to read from the wrong channel
+	//delay(1);
+
+	// start the conversion
+	sbi(ADCSRA, ADSC);
+
+	// ADSC is cleared when the conversion finishes
+	while (bit_is_set(ADCSRA, ADSC));
+
+	// we have to read ADCL first; doing so locks both ADCL
+	// and ADCH until ADCH is read.  reading ADCL second would
+	// cause the results of each conversion to be discarded,
+	// as ADCL and ADCH would be locked when it completed.
+	low = ADCL;
+	high = ADCH;
+
+	// combine the two bytes
+	return (high << 8) | low;
+}
+
+// Right now, PWM output only works on the pins with
+// hardware support.  These are defined in the appropriate
+// pins_*.c file.  For the rest of the pins, we default
+// to digital output.
+void analogWrite(uint8_t pin, int val)
+{
+	// We need to make sure the PWM output is enabled for those pins
+	// that support it, as we turn it off when digitally reading or
+	// writing with them.  Also, make sure the pin is in output mode
+	// for consistenty with Wiring, which doesn't require a pinMode
+	// call for the analog output pins.
+	pinMode(pin, OUTPUT);
+	
+	if (digitalPinToTimer(pin) == TIMER1A) {
+		// connect pwm to pin on timer 1, channel A
+		sbi(TCCR1A, COM1A1);
+		// set pwm duty
+		OCR1A = val;
+	} else if (digitalPinToTimer(pin) == TIMER1B) {
+		// connect pwm to pin on timer 1, channel B
+		sbi(TCCR1A, COM1B1);
+		// set pwm duty
+		OCR1B = val;
+	} else if (digitalPinToTimer(pin) == TIMER0A) {
+		// connect pwm to pin on timer 0, channel A
+		sbi(TCCR0A, COM0A1);
+		// set pwm duty
+		OCR0A = val;	
+	} else if (digitalPinToTimer(pin) == TIMER0B) {
+		// connect pwm to pin on timer 0, channel B
+		sbi(TCCR0A, COM0B1);
+		// set pwm duty
+		OCR0B = val;
+	} else if (digitalPinToTimer(pin) == TIMER2A) {
+		// connect pwm to pin on timer 2, channel A
+		sbi(TCCR2A, COM2A1);
+		// set pwm duty
+		OCR2A = val;	
+	} else if (digitalPinToTimer(pin) == TIMER2B) {
+		// connect pwm to pin on timer 2, channel B
+		sbi(TCCR2A, COM2B1);
+		// set pwm duty
+		OCR2B = val;
+	} else if (val < 128)
+	//fail semi-intelligently
+		digitalWrite(pin, LOW);
+	else
+		digitalWrite(pin, HIGH);
+}

Marlin/Marlin/Gen7/cores/arduino/wiring_digital.c

+/*
+  wiring_digital.c - digital input and output functions
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wiring_private.h"
+#include "pins_arduino.h"
+
+void pinMode(uint8_t pin, uint8_t mode)
+{
+	uint8_t bit = digitalPinToBitMask(pin);
+	uint8_t port = digitalPinToPort(pin);
+	volatile uint8_t *reg;
+
+	if (port == NOT_A_PIN) return;
+
+	// JWS: can I let the optimizer do this?
+	reg = portModeRegister(port);
+
+	if (mode == INPUT) *reg &= ~bit;
+	else *reg |= bit;
+}
+
+// Forcing this inline keeps the callers from having to push their own stuff
+// on the stack. It is a good performance win and only takes 1 more byte per
+// user than calling. (It will take more bytes on the 168.)
+//
+// But shouldn't this be moved into pinMode? Seems silly to check and do on
+// each digitalread or write.
+//
+static inline void turnOffPWM(uint8_t timer) __attribute__ ((always_inline));
+static inline void turnOffPWM(uint8_t timer)
+{
+	if (timer == TIMER0A) cbi(TCCR0A, COM0A1);
+	if (timer == TIMER0B) cbi(TCCR0A, COM0B1);
+	if (timer == TIMER1A) cbi(TCCR1A, COM1A1);
+	if (timer == TIMER1B) cbi(TCCR1A, COM1B1);
+	if (timer == TIMER2A) cbi(TCCR2A, COM2A1);
+	if (timer == TIMER2B) cbi(TCCR2A, COM2B1);
+}
+
+void digitalWrite(uint8_t pin, uint8_t val)
+{
+	uint8_t timer = digitalPinToTimer(pin);
+	uint8_t bit = digitalPinToBitMask(pin);
+	uint8_t port = digitalPinToPort(pin);
+	volatile uint8_t *out;
+
+	if (port == NOT_A_PIN) return;
+
+	// If the pin that support PWM output, we need to turn it off
+	// before doing a digital write.
+	if (timer != NOT_ON_TIMER) turnOffPWM(timer);
+
+	out = portOutputRegister(port);
+
+	if (val == LOW) *out &= ~bit;
+	else *out |= bit;
+}
+
+int digitalRead(uint8_t pin)
+{
+	uint8_t timer = digitalPinToTimer(pin);
+	uint8_t bit = digitalPinToBitMask(pin);
+	uint8_t port = digitalPinToPort(pin);
+
+	if (port == NOT_A_PIN) return LOW;
+
+	// If the pin that support PWM output, we need to turn it off
+	// before getting a digital reading.
+	if (timer != NOT_ON_TIMER) turnOffPWM(timer);
+
+	if (*portInputRegister(port) & bit) return HIGH;
+	
+	return LOW;
+}

Marlin/Marlin/Gen7/cores/arduino/wiring_private.h

+/*
+  wiring_private.h - Internal header file.
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.h 239 2007-01-12 17:58:39Z mellis $
+*/
+
+#ifndef WiringPrivate_h
+#define WiringPrivate_h
+
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/signal.h>
+#include <avr/delay.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "wiring.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#ifndef cbi
+#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+#endif
+#ifndef sbi
+#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#endif
+
+#define EXTERNAL_INT_0 0
+#define EXTERNAL_INT_1 1
+#define EXTERNAL_INT_2 2
+
+#define EXTERNAL_NUM_INTERRUPTS 3
+
+typedef void (*voidFuncPtr)(void);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif

Marlin/Marlin/Gen7/cores/arduino/wiring_pulse.c

+/*
+  wiring_pulse.c - pulseIn() function
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wiring_private.h"
+#include "pins_arduino.h"
+
+/* Measures the length (in microseconds) of a pulse on the pin; state is HIGH
+ * or LOW, the type of pulse to measure.  Works on pulses from 2-3 microseconds
+ * to 3 minutes in length, but must be called at least a few dozen microseconds
+ * before the start of the pulse. */
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout)
+{
+	// cache the port and bit of the pin in order to speed up the
+	// pulse width measuring loop and achieve finer resolution.  calling
+	// digitalRead() instead yields much coarser resolution.
+	uint8_t bit = digitalPinToBitMask(pin);
+	uint8_t port = digitalPinToPort(pin);
+	uint8_t stateMask = (state ? bit : 0);
+	unsigned long width = 0; // keep initialization out of time critical area
+	
+	// convert the timeout from microseconds to a number of times through
+	// the initial loop; it takes 16 clock cycles per iteration.
+	unsigned long numloops = 0;
+	unsigned long maxloops = microsecondsToClockCycles(timeout) / 16;
+	
+	// wait for any previous pulse to end
+	while ((*portInputRegister(port) & bit) == stateMask)
+		if (numloops++ == maxloops)
+			return 0;
+	
+	// wait for the pulse to start
+	while ((*portInputRegister(port) & bit) != stateMask)
+		if (numloops++ == maxloops)
+			return 0;
+	
+	// wait for the pulse to stop
+	while ((*portInputRegister(port) & bit) == stateMask)
+		width++;
+
+	// convert the reading to microseconds. The loop has been determined
+	// to be 10 clock cycles long and have about 16 clocks between the edge
+	// and the start of the loop. There will be some error introduced by
+	// the interrupt handlers.
+	return clockCyclesToMicroseconds(width * 10 + 16); 
+}

Marlin/Marlin/Gen7/cores/arduino/wiring_serial.c

+/*
+  wiring_serial.c - serial functions.
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+  Modified 29 January 2009, Marius Kintel for Sanguino - http://www.sanguino.cc/
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+
+#include "wiring_private.h"
+
+// Define constants and variables for buffering incoming serial data.  We're
+// using a ring buffer (I think), in which rx_buffer_head is the index of the
+// location to which to write the next incoming character and rx_buffer_tail
+// is the index of the location from which to read.
+#define RX_BUFFER_SIZE 128
+
+#if defined(__AVR_ATmega644P__)
+unsigned char rx_buffer[2][RX_BUFFER_SIZE];
+int rx_buffer_head[2] = {0, 0};
+int rx_buffer_tail[2] = {0, 0};
+#else
+unsigned char rx_buffer[1][RX_BUFFER_SIZE];
+int rx_buffer_head[1] = {0};
+int rx_buffer_tail[1] = {0};
+#endif
+
+
+#define BEGIN_SERIAL(uart_, baud_) \
+{ \
+    UBRR##uart_##H = ((F_CPU / 16 + baud / 2) / baud - 1) >> 8; \
+    UBRR##uart_##L = ((F_CPU / 16 + baud / 2) / baud - 1); \
+    \
+    /* reset config for UART */ \
+    UCSR##uart_##A = 0; \
+    UCSR##uart_##B = 0; \
+    UCSR##uart_##C = 0; \
+    \
+    /* enable rx and tx */ \
+    sbi(UCSR##uart_##B, RXEN##uart_);\
+    sbi(UCSR##uart_##B, TXEN##uart_);\
+    \
+    /* enable interrupt on complete reception of a byte */ \
+    sbi(UCSR##uart_##B, RXCIE##uart_); \
+    UCSR##uart_##C = _BV(UCSZ##uart_##1)|_BV(UCSZ##uart_##0); \
+    /* defaults to 8-bit, no parity, 1 stop bit */ \
+}
+
+void beginSerial(uint8_t uart, long baud)
+{
+  if (uart == 0) BEGIN_SERIAL(0, baud)
+#if defined(__AVR_ATmega644P__)
+  else BEGIN_SERIAL(1, baud)
+#endif
+}
+
+#define SERIAL_WRITE(uart_, c_) \
+    while (!(UCSR##uart_##A & (1 << UDRE##uart_))) \
+      ; \
+    UDR##uart_ = c
+
+void serialWrite(uint8_t uart, unsigned char c)
+{
+  if (uart == 0) {
+    SERIAL_WRITE(0, c);
+  }
+#if defined(__AVR_ATmega644P__)
+  else {
+    SERIAL_WRITE(1, c);
+  }
+#endif
+}
+
+int serialAvailable(uint8_t uart)
+{
+  return (RX_BUFFER_SIZE + rx_buffer_head[uart] - rx_buffer_tail[uart]) % RX_BUFFER_SIZE;
+}
+
+int serialRead(uint8_t uart)
+{
+  // if the head isn't ahead of the tail, we don't have any characters
+  if (rx_buffer_head[uart] == rx_buffer_tail[uart]) {
+    return -1;
+  } else {
+    unsigned char c = rx_buffer[uart][rx_buffer_tail[uart]];
+    rx_buffer_tail[uart] = (rx_buffer_tail[uart] + 1) % RX_BUFFER_SIZE;
+    return c;
+  }
+}
+
+void serialFlush(uint8_t uart)
+{
+  // don't reverse this or there may be problems if the RX interrupt
+  // occurs after reading the value of rx_buffer_head but before writing
+  // the value to rx_buffer_tail; the previous value of rx_buffer_head
+  // may be written to rx_buffer_tail, making it appear as if the buffer
+  // were full, not empty.
+  rx_buffer_head[uart] = rx_buffer_tail[uart];
+}
+
+#define UART_ISR(uart_) \
+ISR(USART##uart_##_RX_vect) \
+{ \
+  unsigned char c = UDR##uart_; \
+  \
+  int i = (rx_buffer_head[uart_] + 1) % RX_BUFFER_SIZE; \
+  \  
+  /* if we should be storing the received character into the location \
+     just before the tail (meaning that the head would advance to the \
+     current location of the tail), we're about to overflow the buffer \
+     and so we don't write the character or advance the head. */ \
+  if (i != rx_buffer_tail[uart_]) { \
+    rx_buffer[uart_][rx_buffer_head[uart_]] = c; \
+    rx_buffer_head[uart_] = i; \
+  } \
+}
+
+UART_ISR(0)
+#if defined(__AVR_ATmega644P__) 
+UART_ISR(1)
+#endif

Marlin/Marlin/Gen7/cores/arduino/wiring_shift.c

+/*
+  wiring_shift.c - shiftOut() function
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wiring_private.h"
+
+void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, byte val)
+{
+	int i;
+
+	for (i = 0; i < 8; i++)  {
+		if (bitOrder == LSBFIRST)
+			digitalWrite(dataPin, !!(val & (1 << i)));
+		else	
+			digitalWrite(dataPin, !!(val & (1 << (7 - i))));
+			
+		digitalWrite(clockPin, HIGH);
+		digitalWrite(clockPin, LOW);		
+	}
+}

Marlin/Marlin/Makefile

+# Sprinter Arduino Project Makefile
+# 
+# Makefile Based on:
+# Arduino 0011 Makefile
+# Arduino adaptation by mellis, eighthave, oli.keller
+#
+# This has been tested with Arduino 0022.
+# 
+# This makefile allows you to build sketches from the command line
+# without the Arduino environment (or Java).
+#
+# Detailed instructions for using the makefile:
+#
+#  1. Modify the line containg "INSTALL_DIR" to point to the directory that
+#     contains the Arduino installation (for example, under Mac OS X, this
+#     might be /Applications/arduino-0012).
+#
+#  2. Modify the line containing "PORT" to refer to the filename
+#     representing the USB or serial connection to your Arduino board
+#     (e.g. PORT = /dev/tty.USB0).  If the exact name of this file
+#     changes, you can use * as a wildcard (e.g. PORT = /dev/tty.usb*).
+#
+#  3. Set the line containing "MCU" to match your board's processor. 
+#     Older one's are atmega8 based, newer ones like Arduino Mini, Bluetooth
+#     or Diecimila have the atmega168.  If you're using a LilyPad Arduino,
+#     change F_CPU to 8000000. If you are using Gen7 electronics, you
+#     probably need to use 20000000. Either way, you must regenerate
+#     the speed lookup table with create_speed_lookuptable.py.
+#
+#  4. Type "make" and press enter to compile/verify your program.
+#
+#  5. Type "make upload", reset your Arduino board, and press enter to
+#     upload your program to the Arduino board.
+#
+# $Id$
+
+#For "old" Arduino Mega
+#MCU = atmega1280
+#For Arduino Mega2560
+#MCU = atmega2560
+#For Sanguinololu
+MCU = atmega644p 
+
+# Here you select "arduino", "Sanguino", "Gen7", ...
+HARDWARE_VARIANT 		= Sanguino
+# This defined the board you are compiling for
+HARDWARE_MOTHERBOARD	= 91
+
+# Arduino source install directory
+INSTALL_DIR = ../../arduino-0022
+
+# Arduino containd the main source code for the Arduino
+# Libraries, the "hardware variant" are for boards
+# that derives from that, and their source are present in
+# the main Marlin source directory
+ARDUINO = $(INSTALL_DIR)/hardware/arduino/cores/arduino
+
+ifeq (${HARDWARE_VARIANT}, arduino)
+HARDWARE_SRC= $(ARDUINO)
+else
+HARDWARE_SRC= $(HARDWARE_VARIANT)/cores/arduino
+endif
+
+# Be sure to regenerate speed_lookuptable.h with create_speed_lookuptable.py
+# if you are setting this to something other than 16MHz
+F_CPU = 16000000
+
+UPLOAD_RATE = 115200
+AVRDUDE_PROGRAMMER = arduino
+PORT = /dev/arduino
+
+TARGET = $(notdir $(CURDIR))
+
+# VPATH tells make to look into these directory for source files,
+# there is no need to specify explicit pathnames as long as the
+# directory is added here
+
+VPATH = .
+VPATH += applet
+VPATH += $(HARDWARE_SRC)
+VPATH += $(ARDUINO)
+VPATH += $(INSTALL_DIR)/libraries/LiquidCrystal
+
+############################################################################
+# Below here nothing should be changed...
+
+AVR_TOOLS_PATH = 
+SRC =  pins_arduino.c wiring.c \
+	wiring_analog.c wiring_digital.c \
+	wiring_pulse.c \
+	wiring_shift.c WInterrupts.c
+CXXSRC = WMath.cpp WString.cpp Print.cpp \
+	Marlin.cpp MarlinSerial.cpp Sd2Card.cpp SdBaseFile.cpp \
+	SdFatUtil.cpp SdFile.cpp SdVolume.cpp motion_control.cpp \
+	planner.cpp stepper.cpp temperature.cpp cardreader.cpp
+#CXXSRC += LiquidCrystal.cpp ultralcd.cpp
+#CXXSRC += ultralcd.cpp
+FORMAT = ihex
+
+# Name of this Makefile (used for "make depend").
+MAKEFILE = Makefile
+
+# Debugging format.
+# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
+# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
+DEBUG = stabs
+
+OPT = s
+
+# Place -D or -U options here
+CDEFS = -DF_CPU=$(F_CPU)
+CXXDEFS = -DF_CPU=$(F_CPU)
+
+# Add all the source directories as include directories too
+CINCS = ${addprefix -I ,${VPATH}}
+CXXINCS = ${addprefix -I ,${VPATH}}
+
+# Compiler flag to set the C Standard level.
+# c89   - "ANSI" C
+# gnu89 - c89 plus GCC extensions
+# c99   - ISO C99 standard (not yet fully implemented)
+# gnu99 - c99 plus GCC extensions
+#CSTANDARD = -std=gnu99
+CDEBUG = -g$(DEBUG)
+CWARN = -Wall -Wstrict-prototypes
+CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct \
+	-fshort-enums -w -ffunction-sections -fdata-sections \
+	-DARDUINO=22
+ifneq (${HARDWARE_MOTHERBOARD},)
+CTUNING += -DMOTHERBOARD=${HARDWARE_MOTHERBOARD}
+endif
+#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
+
+CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CEXTRA) $(CTUNING)
+CXXFLAGS =         $(CDEFS) $(CINCS) -O$(OPT) -Wall    $(CEXTRA) $(CTUNING)
+#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs 
+LDFLAGS = -lm
+
+
+# Programming support using avrdude. Settings and variables.
+AVRDUDE_PORT = $(PORT)
+AVRDUDE_WRITE_FLASH = -U flash:w:applet/$(TARGET).hex:i
+AVRDUDE_FLAGS = -D -C $(INSTALL_DIR)/hardware/tools/avrdude.conf \
+	-p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
+	-b $(UPLOAD_RATE)
+
+# Program settings
+CC = $(AVR_TOOLS_PATH)avr-gcc
+CXX = $(AVR_TOOLS_PATH)avr-g++
+OBJCOPY = $(AVR_TOOLS_PATH)avr-objcopy
+OBJDUMP = $(AVR_TOOLS_PATH)avr-objdump
+AR  = $(AVR_TOOLS_PATH)avr-ar
+SIZE = $(AVR_TOOLS_PATH)avr-size
+NM = $(AVR_TOOLS_PATH)avr-nm
+AVRDUDE = avrdude
+REMOVE = rm -f
+MV = mv -f
+
+# Define all object files.
+OBJ = ${patsubst %.c, applet/%.o, ${SRC}}
+OBJ += ${patsubst %.cpp, applet/%.o, ${CXXSRC}}
+OBJ += ${patsubst %.S, applet/%.o, ${ASRC}}
+
+# Define all listing files.
+LST = $(ASRC:.S=.lst) $(CXXSRC:.cpp=.lst) $(SRC:.c=.lst)
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
+ALL_CXXFLAGS = -mmcu=$(MCU) $(CXXFLAGS)
+ALL_ASFLAGS = -mmcu=$(MCU) -x assembler-with-cpp $(ASFLAGS)
+
+# set V=1 (eg, "make V=1") to print the full commands etc.
+ifneq ($V,1)
+ Pecho=@echo
+ P=@
+else
+ Pecho=@:
+ P=
+endif
+
+# Default target.
+all: sizeafter
+
+build: applet elf hex 
+
+# Creates the object directory
+applet: 
+	$P mkdir -p applet
+
+# the .cpp for Marlin depends on the .pde
+#applet/$(TARGET).cpp: $(TARGET).pde
+# ..and the .o depends from the .cpp
+#applet/%.o: applet/%.cpp
+
+applet/%.cpp: %.pde $(MAKEFILE)
+# Here is the "preprocessing".
+# It creates a .cpp file based with the same name as the .pde file.
+# On top of the new .cpp file comes the WProgram.h header.
+	$(Pecho) "  WR    $@"
+	$P echo '#include "WProgram.h"' > $@
+	$P echo '#include "$<"' >>$@
+	$P echo '#include "$(ARDUINO)/main.cpp"' >> $@
+
+elf: applet/$(TARGET).elf
+hex: applet/$(TARGET).hex
+eep: applet/$(TARGET).eep
+lss: applet/$(TARGET).lss 
+sym: applet/$(TARGET).sym
+
+# Program the device.  
+# Do not try to reset an arduino if it's not one
+upload: applet/$(TARGET).hex
+ifeq (${AVRDUDE_PROGRAMMER}, arduino)
+	stty hup < $(PORT); true
+endif
+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
+ifeq (${AVRDUDE_PROGRAMMER}, arduino)
+	stty -hup < $(PORT); true
+endif
+
+	# Display size of file.
+HEXSIZE = $(SIZE) --target=$(FORMAT) applet/$(TARGET).hex
+ELFSIZE = $(SIZE) --mcu=$(MCU) -C applet/$(TARGET).elf; \
+          $(SIZE)  applet/$(TARGET).elf
+sizebefore:
+	$P if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(HEXSIZE); echo; fi
+
+sizeafter: build
+	$P if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
+
+
+# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
+COFFCONVERT=$(OBJCOPY) --debugging \
+	--change-section-address .data-0x800000 \
+	--change-section-address .bss-0x800000 \
+	--change-section-address .noinit-0x800000 \
+	--change-section-address .eeprom-0x810000 
+
+
+coff: applet/$(TARGET).elf
+	$(COFFCONVERT) -O coff-avr applet/$(TARGET).elf $(TARGET).cof
+
+
+extcoff: $(TARGET).elf
+	$(COFFCONVERT) -O coff-ext-avr applet/$(TARGET).elf $(TARGET).cof
+
+
+.SUFFIXES: .elf .hex .eep .lss .sym
+.PRECIOUS: .o
+
+.elf.hex:
+	$(Pecho) "  COPY  $@"
+	$P $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+
+.elf.eep:
+	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
+		--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
+
+# Create extended listing file from ELF output file.
+.elf.lss:
+	$(OBJDUMP) -h -S $< > $@
+
+# Create a symbol table from ELF output file.
+.elf.sym:
+	$(NM) -n $< > $@
+
+	# Link: create ELF output file from library.
+applet/$(TARGET).elf: applet/$(TARGET).cpp applet/core.a Configuration.h
+	$(Pecho) "  CXX   $@"
+	$P $(CC) $(ALL_CXXFLAGS) -Wl,--gc-sections -o $@ applet/$(TARGET).cpp -L. applet/core.a $(LDFLAGS)
+
+applet/core.a: $(OBJ)
+	$P for i in $(OBJ); do echo "  AR    $$i"; $(AR) rcs applet/core.a $$i; done
+
+applet/%.o: %.c Configuration.h Configuration_adv.h $(MAKEFILE)
+	$(Pecho) "  CC    $@"
+	$P $(CC) -MMD -c $(ALL_CFLAGS) $< -o $@
+
+applet/%.o: %.cpp Configuration.h Configuration_adv.h $(MAKEFILE)
+	$(Pecho) "  CXX   $@"
+	$P $(CXX) -MMD -c $(ALL_CXXFLAGS) $< -o $@
+
+
+# Target: clean project.
+clean:
+	$(Pecho) "  RM    applet/*"
+	$P $(REMOVE) applet/$(TARGET).hex applet/$(TARGET).eep applet/$(TARGET).cof applet/$(TARGET).elf \
+		applet/$(TARGET).map applet/$(TARGET).sym applet/$(TARGET).lss applet/$(TARGET).cpp applet/core.a \
+		$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d) $(CXXSRC:.cpp=.s) $(CXXSRC:.cpp=.d)
+	$(Pecho) "  RMDIR applet/"
+	$P rm -rf applet
+
+
+.PHONY:	all build elf hex eep lss sym program coff extcoff clean depend applet_files sizebefore sizeafter
+
+# Automaticaly include the dependency files created by gcc
+-include ${wildcard applet/*.d}

Marlin/Marlin/Marlin.h

+// Tonokip RepRap firmware rewrite based off of Hydra-mmm firmware.
+// Licence: GPL
+
+#ifndef MARLIN_H
+#define MARLIN_H
+
+#define  HardwareSerial_h // trick to disable the standard HWserial
+
+#define  FORCE_INLINE __attribute__((always_inline)) inline
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include <util/delay.h>
+#include <avr/pgmspace.h>
+#include <avr/eeprom.h>
+#include  <avr/wdt.h>
+#include  <avr/interrupt.h>
+
+
+#include "fastio.h"
+#include "Configuration.h"
+#include "pins.h"
+
+#if ARDUINO >= 100 
+  #if defined(__AVR_ATmega644P__)
+    #include "WProgram.h"
+  #else
+    #include "Arduino.h"
+  #endif
+#else
+   #include "WProgram.h"
+#endif
+
+#include "MarlinSerial.h"
+
+#ifndef cbi
+#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+#endif
+#ifndef sbi
+#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#endif
+
+#include "WString.h"
+
+#if MOTHERBOARD == 8  // Teensylu
+  #define MYSERIAL Serial
+#else
+  #define MYSERIAL MSerial
+#endif
+
+//this is a unfinsihed attemp to removes a lot of warning messages, see:
+// http://www.avrfreaks.net/index.php?name=PNphpBB2&file=printview&t=57011
+//typedef char prog_char PROGMEM; 
+// //#define PSTR    (s )        ((const PROGMEM char *)(s))
+// //# define MYPGM(s) (__extension__({static prog_char __c[] = (s); &__c[0];})) 
+// //#define MYPGM(s) ((const prog_char *g PROGMEM=s))
+#define MYPGM(s) PSTR(s)
+//#define MYPGM(s)  (__extension__({static char __c[] __attribute__((__progmem__)) = (s); &__c[0];}))  //This is the normal behaviour
+//#define MYPGM(s)  (__extension__({static prog_char __c[]  = (s); &__c[0];})) //this does not work but hides the warnings
+
+
+#define SERIAL_PROTOCOL(x) MYSERIAL.print(x);
+#define SERIAL_PROTOCOL_F(x,y) MYSERIAL.print(x,y);
+#define SERIAL_PROTOCOLPGM(x) serialprintPGM(MYPGM(x));
+#define SERIAL_PROTOCOLLN(x) {MYSERIAL.print(x);MYSERIAL.write('\n');}
+#define SERIAL_PROTOCOLLNPGM(x) {serialprintPGM(MYPGM(x));MYSERIAL.write('\n');}
+
+
+const char errormagic[] PROGMEM ="Error:";
+const char echomagic[] PROGMEM ="echo:";
+#define SERIAL_ERROR_START serialprintPGM(errormagic);
+#define SERIAL_ERROR(x) SERIAL_PROTOCOL(x)
+#define SERIAL_ERRORPGM(x) SERIAL_PROTOCOLPGM(x)
+#define SERIAL_ERRORLN(x) SERIAL_PROTOCOLLN(x)
+#define SERIAL_ERRORLNPGM(x) SERIAL_PROTOCOLLNPGM(x)
+
+#define SERIAL_ECHO_START serialprintPGM(echomagic);
+#define SERIAL_ECHO(x) SERIAL_PROTOCOL(x)
+#define SERIAL_ECHOPGM(x) SERIAL_PROTOCOLPGM(x)
+#define SERIAL_ECHOLN(x) SERIAL_PROTOCOLLN(x)
+#define SERIAL_ECHOLNPGM(x) SERIAL_PROTOCOLLNPGM(x)
+
+#define SERIAL_ECHOPAIR(name,value) (serial_echopair_P(PSTR(name),(value)))
+
+void serial_echopair_P(const char *s_P, float v);
+void serial_echopair_P(const char *s_P, double v);
+void serial_echopair_P(const char *s_P, unsigned long v);
+
+
+//things to write to serial from Programmemory. saves 400 to 2k of RAM.
+#define SerialprintPGM(x) serialprintPGM(MYPGM(x))
+FORCE_INLINE void serialprintPGM(const char *str)
+{
+  char ch=pgm_read_byte(str);
+  while(ch)
+  {
+    MYSERIAL.write(ch);
+    ch=pgm_read_byte(++str);
+  }
+}
+
+
+void get_command();
+void process_commands();
+
+void manage_inactivity();
+
+#if X_ENABLE_PIN > -1
+  #define  enable_x() WRITE(X_ENABLE_PIN, X_ENABLE_ON)
+  #define disable_x() WRITE(X_ENABLE_PIN,!X_ENABLE_ON)
+#else
+  #define enable_x() ;
+  #define disable_x() ;
+#endif
+
+#if Y_ENABLE_PIN > -1
+  #define  enable_y() WRITE(Y_ENABLE_PIN, Y_ENABLE_ON)
+  #define disable_y() WRITE(Y_ENABLE_PIN,!Y_ENABLE_ON)
+#else
+  #define enable_y() ;
+  #define disable_y() ;
+#endif
+
+#if Z_ENABLE_PIN > -1
+  #ifdef Z_DUAL_STEPPER_DRIVERS
+    #define  enable_z() { WRITE(Z_ENABLE_PIN, Z_ENABLE_ON); WRITE(Z2_ENABLE_PIN, Z_ENABLE_ON); }
+    #define disable_z() { WRITE(Z_ENABLE_PIN,!Z_ENABLE_ON); WRITE(Z2_ENABLE_PIN,!Z_ENABLE_ON); }
+  #else
+    #define  enable_z() WRITE(Z_ENABLE_PIN, Z_ENABLE_ON)
+    #define disable_z() WRITE(Z_ENABLE_PIN,!Z_ENABLE_ON)
+  #endif
+#else
+  #define enable_z() ;
+  #define disable_z() ;
+#endif
+
+#if defined(E0_ENABLE_PIN) && (E0_ENABLE_PIN > -1)
+  #define enable_e0() WRITE(E0_ENABLE_PIN, E_ENABLE_ON)
+  #define disable_e0() WRITE(E0_ENABLE_PIN,!E_ENABLE_ON)
+#else
+  #define enable_e0()  /* nothing */
+  #define disable_e0() /* nothing */
+#endif
+
+#if (EXTRUDERS > 1) && defined(E1_ENABLE_PIN) && (E1_ENABLE_PIN > -1)
+  #define enable_e1() WRITE(E1_ENABLE_PIN, E_ENABLE_ON)
+  #define disable_e1() WRITE(E1_ENABLE_PIN,!E_ENABLE_ON)
+#else
+  #define enable_e1()  /* nothing */
+  #define disable_e1() /* nothing */
+#endif
+
+#if (EXTRUDERS > 2) && defined(E2_ENABLE_PIN) && (E2_ENABLE_PIN > -1)
+  #define enable_e2() WRITE(E2_ENABLE_PIN, E_ENABLE_ON)
+  #define disable_e2() WRITE(E2_ENABLE_PIN,!E_ENABLE_ON)
+#else
+  #define enable_e2()  /* nothing */
+  #define disable_e2() /* nothing */
+#endif
+
+
+enum AxisEnum {X_AXIS=0, Y_AXIS=1, Z_AXIS=2, E_AXIS=3};
+
+
+void FlushSerialRequestResend();
+void ClearToSend();
+
+void get_coordinates();
+void prepare_move();
+void kill();
+void Stop();
+
+bool IsStopped();
+
+void enquecommand(const char *cmd); //put an ascii command at the end of the current buffer.
+void prepare_arc_move(char isclockwise);
+void clamp_to_software_endstops(float target[3]);
+
+#ifdef FAST_PWM_FAN
+void setPwmFrequency(uint8_t pin, int val);
+#endif
+
+#ifndef CRITICAL_SECTION_START
+  #define CRITICAL_SECTION_START  unsigned char _sreg = SREG; cli();
+  #define CRITICAL_SECTION_END    SREG = _sreg;
+#endif //CRITICAL_SECTION_START
+
+extern float homing_feedrate[];
+extern bool axis_relative_modes[];
+extern float current_position[NUM_AXIS] ;
+extern float add_homeing[3];
+extern float min_pos[3];
+extern float max_pos[3];
+extern unsigned char FanSpeed;
+
+// Handling multiple extruders pins
+extern uint8_t active_extruder;
+
+#endif

Marlin/Marlin/MarlinSerial.cpp

+/*
+  HardwareSerial.cpp - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+  
+  Modified 23 November 2006 by David A. Mellis
+  Modified 28 September 2010 by Mark Sproul
+*/
+
+#include "Marlin.h"
+#include "MarlinSerial.h"
+
+#if MOTHERBOARD != 8 // !teensylu
+// this next line disables the entire HardwareSerial.cpp, 
+// this is so I can support Attiny series and any other chip without a uart
+#if defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H)
+
+#if defined(UBRRH) || defined(UBRR0H)
+  ring_buffer rx_buffer  =  { { 0 }, 0, 0 };
+#endif
+
+FORCE_INLINE void store_char(unsigned char c)
+{
+  int i = (unsigned int)(rx_buffer.head + 1) % RX_BUFFER_SIZE;
+
+  // if we should be storing the received character into the location
+  // just before the tail (meaning that the head would advance to the
+  // current location of the tail), we're about to overflow the buffer
+  // and so we don't write the character or advance the head.
+  if (i != rx_buffer.tail) {
+    rx_buffer.buffer[rx_buffer.head] = c;
+    rx_buffer.head = i;
+  }
+}
+
+
+//#elif defined(SIG_USART_RECV)
+#if defined(USART0_RX_vect)
+  // fixed by Mark Sproul this is on the 644/644p
+  //SIGNAL(SIG_USART_RECV)
+  SIGNAL(USART0_RX_vect)
+  {
+  #if defined(UDR0)
+    unsigned char c  =  UDR0;
+  #elif defined(UDR)
+    unsigned char c  =  UDR;  //  atmega8, atmega32
+  #else
+    #error UDR not defined
+  #endif
+    store_char(c);
+  }
+#endif
+
+// Constructors ////////////////////////////////////////////////////////////////
+
+MarlinSerial::MarlinSerial()
+{
+
+}
+
+// Public Methods //////////////////////////////////////////////////////////////
+
+void MarlinSerial::begin(long baud)
+{
+  uint16_t baud_setting;
+  bool useU2X0 = true;
+
+#if F_CPU == 16000000UL
+  // hardcoded exception for compatibility with the bootloader shipped
+  // with the Duemilanove and previous boards and the firmware on the 8U2
+  // on the Uno and Mega 2560.
+  if (baud == 57600) {
+    useU2X0 = false;
+  }
+#endif
+  
+  if (useU2X0) {
+    UCSR0A = 1 << U2X0;
+    baud_setting = (F_CPU / 4 / baud - 1) / 2;
+  } else {
+    UCSR0A = 0;
+    baud_setting = (F_CPU / 8 / baud - 1) / 2;
+  }
+
+  // assign the baud_setting, a.k.a. ubbr (USART Baud Rate Register)
+  UBRR0H = baud_setting >> 8;
+  UBRR0L = baud_setting;
+
+  sbi(UCSR0B, RXEN0);
+  sbi(UCSR0B, TXEN0);
+  sbi(UCSR0B, RXCIE0);
+}
+
+void MarlinSerial::end()
+{
+  cbi(UCSR0B, RXEN0);
+  cbi(UCSR0B, TXEN0);
+  cbi(UCSR0B, RXCIE0);  
+}
+
+
+
+int MarlinSerial::peek(void)
+{
+  if (rx_buffer.head == rx_buffer.tail) {
+    return -1;
+  } else {
+    return rx_buffer.buffer[rx_buffer.tail];
+  }
+}
+
+int MarlinSerial::read(void)
+{
+  // if the head isn't ahead of the tail, we don't have any characters
+  if (rx_buffer.head == rx_buffer.tail) {
+    return -1;
+  } else {
+    unsigned char c = rx_buffer.buffer[rx_buffer.tail];
+    rx_buffer.tail = (unsigned int)(rx_buffer.tail + 1) % RX_BUFFER_SIZE;
+    return c;
+  }
+}
+
+void MarlinSerial::flush()
+{
+  // don't reverse this or there may be problems if the RX interrupt
+  // occurs after reading the value of rx_buffer_head but before writing
+  // the value to rx_buffer_tail; the previous value of rx_buffer_head
+  // may be written to rx_buffer_tail, making it appear as if the buffer
+  // don't reverse this or there may be problems if the RX interrupt
+  // occurs after reading the value of rx_buffer_head but before writing
+  // the value to rx_buffer_tail; the previous value of rx_buffer_head
+  // may be written to rx_buffer_tail, making it appear as if the buffer
+  // were full, not empty.
+  rx_buffer.head = rx_buffer.tail;
+}
+
+
+
+
+/// imports from print.h
+
+
+
+
+void MarlinSerial::print(char c, int base)
+{
+  print((long) c, base);
+}
+
+void MarlinSerial::print(unsigned char b, int base)
+{
+  print((unsigned long) b, base);
+}
+
+void MarlinSerial::print(int n, int base)
+{
+  print((long) n, base);
+}
+
+void MarlinSerial::print(unsigned int n, int base)
+{
+  print((unsigned long) n, base);
+}
+
+void MarlinSerial::print(long n, int base)
+{
+  if (base == 0) {
+    write(n);
+  } else if (base == 10) {
+    if (n < 0) {
+      print('-');
+      n = -n;
+    }
+    printNumber(n, 10);
+  } else {
+    printNumber(n, base);
+  }
+}
+
+void MarlinSerial::print(unsigned long n, int base)
+{
+  if (base == 0) write(n);
+  else printNumber(n, base);
+}
+
+void MarlinSerial::print(double n, int digits)
+{
+  printFloat(n, digits);
+}
+
+void MarlinSerial::println(void)
+{
+  print('\r');
+  print('\n');  
+}
+
+void MarlinSerial::println(const String &s)
+{
+  print(s);
+  println();
+}
+
+void MarlinSerial::println(const char c[])
+{
+  print(c);
+  println();
+}
+
+void MarlinSerial::println(char c, int base)
+{
+  print(c, base);
+  println();
+}
+
+void MarlinSerial::println(unsigned char b, int base)
+{
+  print(b, base);
+  println();
+}
+
+void MarlinSerial::println(int n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void MarlinSerial::println(unsigned int n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void MarlinSerial::println(long n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void MarlinSerial::println(unsigned long n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void MarlinSerial::println(double n, int digits)
+{
+  print(n, digits);
+  println();
+}
+
+// Private Methods /////////////////////////////////////////////////////////////
+
+void MarlinSerial::printNumber(unsigned long n, uint8_t base)
+{
+  unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars. 
+  unsigned long i = 0;
+
+  if (n == 0) {
+    print('0');
+    return;
+  } 
+
+  while (n > 0) {
+    buf[i++] = n % base;
+    n /= base;
+  }
+
+  for (; i > 0; i--)
+    print((char) (buf[i - 1] < 10 ?
+      '0' + buf[i - 1] :
+      'A' + buf[i - 1] - 10));
+}
+
+void MarlinSerial::printFloat(double number, uint8_t digits) 
+{ 
+  // Handle negative numbers
+  if (number < 0.0)
+  {
+     print('-');
+     number = -number;
+  }
+
+  // Round correctly so that print(1.999, 2) prints as "2.00"
+  double rounding = 0.5;
+  for (uint8_t i=0; i<digits; ++i)
+    rounding /= 10.0;
+  
+  number += rounding;
+
+  // Extract the integer part of the number and print it
+  unsigned long int_part = (unsigned long)number;
+  double remainder = number - (double)int_part;
+  print(int_part);
+
+  // Print the decimal point, but only if there are digits beyond
+  if (digits > 0)
+    print("."); 
+
+  // Extract digits from the remainder one at a time
+  while (digits-- > 0)
+  {
+    remainder *= 10.0;
+    int toPrint = int(remainder);
+    print(toPrint);
+    remainder -= toPrint; 
+  } 
+}
+// Preinstantiate Objects //////////////////////////////////////////////////////
+
+
+MarlinSerial MSerial;
+
+#endif // whole file
+#endif //teensylu
+

Marlin/Marlin/MarlinSerial.h

+/*
+  HardwareSerial.h - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+  Modified 28 September 2010 by Mark Sproul
+*/
+
+#ifndef MarlinSerial_h
+#define MarlinSerial_h
+#include "Marlin.h"
+
+
+#define DEC 10
+#define HEX 16
+#define OCT 8
+#define BIN 2
+#define BYTE 0
+
+
+#if MOTHERBOARD != 8 // ! teensylu
+// Define constants and variables for buffering incoming serial data.  We're
+// using a ring buffer (I think), in which rx_buffer_head is the index of the
+// location to which to write the next incoming character and rx_buffer_tail
+// is the index of the location from which to read.
+#define RX_BUFFER_SIZE 128
+
+
+struct ring_buffer
+{
+  unsigned char buffer[RX_BUFFER_SIZE];
+  int head;
+  int tail;
+};
+
+#if defined(UBRRH) || defined(UBRR0H)
+  extern ring_buffer rx_buffer;
+#endif
+
+class MarlinSerial //: public Stream
+{
+
+  public:
+    MarlinSerial();
+    void begin(long);
+    void end();
+    int peek(void);
+    int read(void);
+    void flush(void);
+    
+    FORCE_INLINE int available(void)
+    {
+      return (unsigned int)(RX_BUFFER_SIZE + rx_buffer.head - rx_buffer.tail) % RX_BUFFER_SIZE;
+    }
+    
+    FORCE_INLINE void write(uint8_t c)
+    {
+      while (!((UCSR0A) & (1 << UDRE0)))
+        ;
+
+      UDR0 = c;
+    }
+    
+    
+    FORCE_INLINE void checkRx(void)
+    {
+      if((UCSR0A & (1<<RXC0)) != 0) {
+        unsigned char c  =  UDR0;
+        int i = (unsigned int)(rx_buffer.head + 1) % RX_BUFFER_SIZE;
+
+        // if we should be storing the received character into the location
+        // just before the tail (meaning that the head would advance to the
+        // current location of the tail), we're about to overflow the buffer
+        // and so we don't write the character or advance the head.
+        if (i != rx_buffer.tail) {
+          rx_buffer.buffer[rx_buffer.head] = c;
+          rx_buffer.head = i;
+        }
+      }
+    }
+    
+    
+    private:
+    void printNumber(unsigned long, uint8_t);
+    void printFloat(double, uint8_t);
+    
+    
+  public:
+    
+    FORCE_INLINE void write(const char *str)
+    {
+      while (*str)
+        write(*str++);
+    }
+
+
+    FORCE_INLINE void write(const uint8_t *buffer, size_t size)
+    {
+      while (size--)
+        write(*buffer++);
+    }
+
+    FORCE_INLINE void print(const String &s)
+    {
+      for (int i = 0; i < (int)s.length(); i++) {
+        write(s[i]);
+      }
+    }
+    
+    FORCE_INLINE void print(const char *str)
+    {
+      write(str);
+    }
+    void print(char, int = BYTE);
+    void print(unsigned char, int = BYTE);
+    void print(int, int = DEC);
+    void print(unsigned int, int = DEC);
+    void print(long, int = DEC);
+    void print(unsigned long, int = DEC);
+    void print(double, int = 2);
+
+    void println(const String &s);
+    void println(const char[]);
+    void println(char, int = BYTE);
+    void println(unsigned char, int = BYTE);
+    void println(int, int = DEC);
+    void println(unsigned int, int = DEC);
+    void println(long, int = DEC);
+    void println(unsigned long, int = DEC);
+    void println(double, int = 2);
+    void println(void);
+};
+
+extern MarlinSerial MSerial;
+#endif // ! teensylu
+
+#endif

Marlin/Marlin/Sanguino/boards.txt

+##############################################################
+
+sanguino.name=Sanguino
+sanguino.upload.protocol=stk500
+sanguino.upload.maximum_size=63488
+sanguino.upload.speed=38400
+sanguino.bootloader.low_fuses=0xFF
+sanguino.bootloader.high_fuses=0xDC
+sanguino.bootloader.extended_fuses=0xFD
+sanguino.bootloader.path=atmega644p
+sanguino.bootloader.file=ATmegaBOOT_644P.hex
+sanguino.bootloader.unlock_bits=0x3F
+sanguino.bootloader.lock_bits=0x0F
+sanguino.build.mcu=atmega644p
+sanguino.build.f_cpu=16000000L
+sanguino.build.core=arduino

Marlin/Marlin/Sanguino/bootloaders/atmega644p/ATmegaBOOT.c

+/**********************************************************/
+/* Serial Bootloader for Atmel megaAVR Controllers        */
+/*                                                        */
+/* tested with ATmega644 and ATmega644P                   */
+/* should work with other mega's, see code for details    */
+/*                                                        */
+/* ATmegaBOOT.c                                           */
+/*                                                        */
+/* 20090131: Added 324P support from Alex Leone           */
+/*           Marius Kintel                                */
+/* 20080915: applied ADABoot mods for Sanguino 644P       */
+/*           Brian Riley                                  */
+/* 20080711: hacked for Sanguino by Zach Smith            */
+/*           and Justin Day                               */
+/* 20070626: hacked for Arduino Diecimila (which auto-    */
+/*           resets when a USB connection is made to it)  */
+/*           by D. Mellis                                 */
+/* 20060802: hacked for Arduino by D. Cuartielles         */
+/*           based on a previous hack by D. Mellis        */
+/*           and D. Cuartielles                           */
+/*                                                        */
+/* Monitor and debug functions were added to the original */
+/* code by Dr. Erik Lins, chip45.com. (See below)         */
+/*                                                        */
+/* Thanks to Karl Pitrich for fixing a bootloader pin     */
+/* problem and more informative LED blinking!             */
+/*                                                        */
+/* For the latest version see:                            */
+/* http://www.chip45.com/                                 */
+/*                                                        */
+/* ------------------------------------------------------ */
+/*                                                        */
+/* based on stk500boot.c                                  */
+/* Copyright (c) 2003, Jason P. Kyle                      */
+/* All rights reserved.                                   */
+/* see avr1.org for original file and information         */
+/*                                                        */
+/* This program is free software; you can redistribute it */
+/* and/or modify it under the terms of the GNU General    */
+/* Public License as published by the Free Software       */
+/* Foundation; either version 2 of the License, or        */
+/* (at your option) any later version.                    */
+/*                                                        */
+/* This program is distributed in the hope that it will   */
+/* be useful, but WITHOUT ANY WARRANTY; without even the  */
+/* implied warranty of MERCHANTABILITY or FITNESS FOR A   */
+/* PARTICULAR PURPOSE.  See the GNU General Public        */
+/* License for more details.                              */
+/*                                                        */
+/* You should have received a copy of the GNU General     */
+/* Public License along with this program; if not, write  */
+/* to the Free Software Foundation, Inc.,                 */
+/* 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA */
+/*                                                        */
+/* Licence can be viewed at                               */
+/* http://www.fsf.org/licenses/gpl.txt                    */
+/*                                                        */
+/* Target = Atmel AVR m128,m64,m32,m16,m8,m162,m163,m169, */
+/* m8515,m8535. ATmega161 has a very small boot block so  */
+/* isn't supported.                                       */
+/*                                                        */
+/* Tested with m168                                       */
+/**********************************************************/
+
+/* $Id$ */
+
+
+/* some includes */
+#include <inttypes.h>
+#include <avr/io.h>
+#include <avr/pgmspace.h>
+#include <avr/interrupt.h>
+#include <avr/wdt.h>
+#include <avr/boot.h>
+
+#ifdef ADABOOT
+    #define NUM_LED_FLASHES 3
+    #define ADABOOT_VER	1
+#endif
+
+
+/* 20070707: hacked by David A. Mellis - after this many errors give up and launch application */
+#define MAX_ERROR_COUNT 5
+
+/* set the UART baud rate */
+/* 20080711: hack by Zach Hoeken */
+#define BAUD_RATE   38400
+
+/* SW_MAJOR and MINOR needs to be updated from time to time to avoid warning message from AVR Studio */
+/* never allow AVR Studio to do an update !!!! */
+#define HW_VER	 0x02
+#define SW_MAJOR 0x01
+#define SW_MINOR 0x10
+
+/* onboard LED is used to indicate, that the bootloader was entered (3x flashing) */
+/* if monitor functions are included, LED goes on after monitor was entered */
+#define LED_DDR  DDRB
+#define LED_PORT PORTB
+#define LED_PIN  PINB
+#define LED      PINB0
+
+/* define various device id's */
+/* manufacturer byte is always the same */
+#define SIG1	0x1E	// Yep, Atmel is the only manufacturer of AVR micros.  Single source :(
+#if defined(__AVR_ATmega644P__)
+#define SIG2	0x96
+#define SIG3	0x0A
+#elif defined(__AVR_ATmega644__)
+#define SIG2	0x96
+#define SIG3	0x09
+#elif defined(__AVR_ATmega324P__)
+#define SIG2	0x95
+#define SIG3	0x08
+#endif
+#define PAGE_SIZE		0x080U   //128 words
+#define PAGE_SIZE_BYTES	0x100U   //256 bytes
+
+/* function prototypes */
+void putch(char);
+char getch(void);
+void getNch(uint8_t);
+void byte_response(uint8_t);
+void nothing_response(void);
+char gethex(void);
+void puthex(char);
+void flash_led(uint8_t);
+
+/* some variables */
+union address_union
+{
+    uint16_t word;
+    uint8_t  byte[2];
+} address;
+
+union length_union
+{
+    uint16_t word;
+    uint8_t  byte[2];
+} length;
+
+struct flags_struct
+{
+    unsigned eeprom : 1;
+    unsigned rampz  : 1;
+} flags;
+
+uint8_t buff[256];
+
+uint8_t error_count = 0;
+uint8_t sreg;
+
+void (*app_start)(void) = 0x0000;
+
+/* main program starts here */
+int main(void)
+{
+    uint8_t ch,ch2;
+    uint16_t w;
+	uint16_t i;
+	
+    asm volatile("nop\n\t");
+
+#ifdef ADABOOT		// BBR/LF 10/8/2007 & 9/13/2008
+    ch = MCUSR;
+    MCUSR = 0;
+
+    WDTCSR |= _BV(WDCE) | _BV(WDE);
+    WDTCSR = 0;
+
+    // Check if the WDT was used to reset, in which case we dont bootload and skip straight to the code. woot.
+    if (! (ch &  _BV(EXTRF))) // if its a not an external reset...
+      app_start();  // skip bootloader
+#endif
+
+
+	//initialize our serial port.
+    UBRR0L = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
+    UBRR0H = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
+    UCSR0B = (1<<RXEN0) | (1<<TXEN0);
+    UCSR0C = (1<<UCSZ00) | (1<<UCSZ01);
+
+    /* Enable internal pull-up resistor on pin D0 (RX), in order
+    to supress line noise that prevents the bootloader from
+    timing out (DAM: 20070509) */
+    DDRD &= ~_BV(PIND0);
+    PORTD |= _BV(PIND0);
+
+    /* set LED pin as output */
+    LED_DDR |= _BV(LED);
+
+	    /* flash onboard LED to signal entering of bootloader                   */
+	    /* ADABOOT will do two series of flashes. first 4 - signifying ADABOOT  */
+	    /* then a pause and another flash series signifying ADABOOT sub-version */
+
+
+	flash_led(NUM_LED_FLASHES);
+
+	#ifdef	ADABOOT
+		flash_led(ADABOOT_VER);		// BBR 9/13/2008
+	#endif 
+
+    /* forever loop */
+    for (;;)
+	{
+		/* get character from UART */
+		ch = getch();
+
+		/* A bunch of if...else if... gives smaller code than switch...case ! */
+
+		/* Hello is anyone home ? */ 
+		if(ch=='0')
+		    nothing_response();
+
+
+		/* Request programmer ID */
+		/* Not using PROGMEM string due to boot block in m128 being beyond 64kB boundry  */
+		/* Would need to selectively manipulate RAMPZ, and it's only 9 characters anyway so who cares.  */
+		else if(ch=='1')
+		{
+		    if (getch() == ' ')
+			{
+				putch(0x14);
+				putch('A');
+				putch('V');
+				putch('R');
+				putch(' ');
+				putch('I');
+				putch('S');
+				putch('P');
+				putch(0x10);
+		    }
+			else
+			{
+				if (++error_count == MAX_ERROR_COUNT)
+				    app_start();
+		    }
+		}
+
+
+		/* AVR ISP/STK500 board commands  DON'T CARE so default nothing_response */
+		else if(ch=='@')
+		{
+		    ch2 = getch();
+		    if (ch2 > 0x85)
+				getch();
+		    nothing_response();
+		}
+
+
+		/* AVR ISP/STK500 board requests */
+		else if(ch=='A')
+		{
+		    ch2 = getch();
+		    if(ch2 == 0x80)
+				byte_response(HW_VER);		// Hardware version
+		    else if(ch2==0x81)
+				byte_response(SW_MAJOR);	// Software major version
+		    else if(ch2==0x82)
+				byte_response(SW_MINOR);	// Software minor version
+		    else if(ch2==0x98)
+				byte_response(0x03);		// Unknown but seems to be required by avr studio 3.56
+		    else
+				byte_response(0x00);		// Covers various unnecessary responses we don't care about
+		}
+
+
+		/* Device Parameters  DON'T CARE, DEVICE IS FIXED  */
+		else if(ch=='B')
+		{
+		    getNch(20);
+		    nothing_response();
+		}
+
+
+		/* Parallel programming stuff  DON'T CARE  */
+		else if(ch=='E')
+		{
+		    getNch(5);
+		    nothing_response();
+		}
+
+
+		/* Enter programming mode  */
+		else if(ch=='P')
+		{
+		    nothing_response();
+		}
+
+
+		/* Leave programming mode  */
+		else if(ch=='Q')
+		{
+		    nothing_response();
+#ifdef ADABOOT		
+			// autoreset via watchdog (sneaky!) BBR/LF 9/13/2008
+	  		WDTCSR = _BV(WDE);
+	  		while (1); // 16 ms
+#endif		
+		}
+
+
+		/* Erase device, don't care as we will erase one page at a time anyway.  */
+		else if(ch=='R')
+		{
+		    nothing_response();
+		}
+
+
+		/* Set address, little endian. EEPROM in bytes, FLASH in words  */
+		/* Perhaps extra address bytes may be added in future to support > 128kB FLASH.  */
+		/* This might explain why little endian was used here, big endian used everywhere else.  */
+		else if(ch=='U')
+		{
+		    address.byte[0] = getch();
+		    address.byte[1] = getch();
+		    nothing_response();
+		}
+
+
+		/* Universal SPI programming command, disabled.  Would be used for fuses and lock bits.  */
+		else if(ch=='V')
+		{
+		    getNch(4);
+		    byte_response(0x00);
+		}
+
+
+		/* Write memory, length is big endian and is in bytes  */
+		else if(ch=='d')
+		{
+		    length.byte[1] = getch();
+		    length.byte[0] = getch();
+	
+		    flags.eeprom = 0;
+		    if (getch() == 'E')
+				flags.eeprom = 1;
+
+			for (i=0; i<PAGE_SIZE; i++)
+				buff[i] = 0;
+		
+		    for (w = 0; w < length.word; w++)
+			{
+				// Store data in buffer, can't keep up with serial data stream whilst programming pages
+				buff[w] = getch();
+		    }
+	
+		    if (getch() == ' ')
+			{
+				if (flags.eeprom)
+				{		                
+					//Write to EEPROM one byte at a time
+				    for(w=0;w<length.word;w++)
+					{
+						while(EECR & (1<<EEPE));
+					
+						EEAR = (uint16_t)(void *)address.word;
+						EEDR = buff[w];
+						EECR |= (1<<EEMPE);
+						EECR |= (1<<EEPE);
+
+						address.word++;
+				    }			
+				}
+				else
+				{
+					//address * 2 -> byte location
+				    address.word = address.word << 1;
+			    
+					//Even up an odd number of bytes
+					if ((length.byte[0] & 0x01))
+						length.word++;
+				
+					// HACKME: EEPE used to be EEWE
+				    //Wait for previous EEPROM writes to complete
+					//while(bit_is_set(EECR,EEPE));
+					while(EECR & (1<<EEPE));
+				
+				    asm volatile(
+						 "clr	r17		\n\t"	//page_word_count
+						 "lds	r30,address	\n\t"	//Address of FLASH location (in bytes)
+						 "lds	r31,address+1	\n\t"
+						 "ldi	r28,lo8(buff)	\n\t"	//Start of buffer array in RAM
+						 "ldi	r29,hi8(buff)	\n\t"
+						 "lds	r24,length	\n\t"	//Length of data to be written (in bytes)
+						 "lds	r25,length+1	\n\t"
+						 "length_loop:		\n\t"	//Main loop, repeat for number of words in block							 							 
+						 "cpi	r17,0x00	\n\t"	//If page_word_count=0 then erase page
+						 "brne	no_page_erase	\n\t"						 
+						 "wait_spm1:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm1       \n\t"
+						 "ldi	r16,0x03	\n\t"	//Erase page pointed to by Z
+						 "sts	%0,r16		\n\t"
+						 "spm			\n\t"							 
+						 "wait_spm2:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm2       \n\t"									 
+
+						 "ldi	r16,0x11	\n\t"	//Re-enable RWW section
+						 "sts	%0,r16		\n\t"						 			 
+						 "spm			\n\t"
+						 "no_page_erase:		\n\t"							 
+						 "ld	r0,Y+		\n\t"	//Write 2 bytes into page buffer
+						 "ld	r1,Y+		\n\t"							 
+							 
+						 "wait_spm3:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm3       \n\t"
+						 "ldi	r16,0x01	\n\t"	//Load r0,r1 into FLASH page buffer
+						 "sts	%0,r16		\n\t"
+						 "spm			\n\t"
+							 
+						 "inc	r17		\n\t"	//page_word_count++
+						 "cpi r17,%1	        \n\t"
+						 "brlo	same_page	\n\t"	//Still same page in FLASH
+						 "write_page:		\n\t"
+						 "clr	r17		\n\t"	//New page, write current one first
+						 "wait_spm4:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm4       \n\t"						 							 
+						 "ldi	r16,0x05	\n\t"	//Write page pointed to by Z
+						 "sts	%0,r16		\n\t"
+						 "spm			\n\t"
+						 "wait_spm5:		\n\t"
+						 "lds	r16,%0		\n\t"	//Wait for previous spm to complete
+						 "andi	r16,1           \n\t"
+						 "cpi	r16,1           \n\t"
+						 "breq	wait_spm5       \n\t"									 
+						 "ldi	r16,0x11	\n\t"	//Re-enable RWW section
+						 "sts	%0,r16		\n\t"						 			 
+						 "spm			\n\t"					 		 
+						 "same_page:		\n\t"							 
+						 "adiw	r30,2		\n\t"	//Next word in FLASH
+						 "sbiw	r24,2		\n\t"	//length-2
+						 "breq	final_write	\n\t"	//Finished
+						 "rjmp	length_loop	\n\t"
+						 "final_write:		\n\t"
+						 "cpi	r17,0		\n\t"
+						 "breq	block_done	\n\t"
+						 "adiw	r24,2		\n\t"	//length+2, fool above check on length after short page write
+						 "rjmp	write_page	\n\t"
+						 "block_done:		\n\t"
+						 "clr	__zero_reg__	\n\t"	//restore zero register
+						 : "=m" (SPMCSR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31"
+
+						 );
+				}
+				putch(0x14);
+				putch(0x10);
+		    }
+			else
+			{
+				if (++error_count == MAX_ERROR_COUNT)
+				    app_start();
+		    }		
+		}
+    
+		/* Read memory block mode, length is big endian.  */
+		else if(ch=='t')
+		{
+			length.byte[1] = getch();
+			length.byte[0] = getch();
+
+			if (getch() == 'E')
+				flags.eeprom = 1;
+			else
+			{
+				flags.eeprom = 0;
+				address.word = address.word << 1;	        // address * 2 -> byte location
+			}
+
+			// Command terminator
+			if (getch() == ' ')
+			{
+				putch(0x14);
+				for (w=0; w<length.word; w++)
+				{
+					// Can handle odd and even lengths okay
+				    if (flags.eeprom) 
+					{
+						// Byte access EEPROM read
+						while(EECR & (1<<EEPE));
+						EEAR = (uint16_t)(void *)address.word;
+						EECR |= (1<<EERE);
+						putch(EEDR);
+
+						address.word++;
+				    }
+				    else
+					{
+						if (!flags.rampz)
+							putch(pgm_read_byte_near(address.word));
+
+						address.word++;
+				    }
+				}
+				putch(0x10);
+		    }
+		}
+
+
+		/* Get device signature bytes  */
+		else if(ch=='u')
+		{
+			if (getch() == ' ')
+			{
+				putch(0x14);
+				putch(SIG1);
+				putch(SIG2);
+				putch(SIG3);
+				putch(0x10);
+			}
+			else
+			{
+				if (++error_count == MAX_ERROR_COUNT)
+					app_start();
+			}
+		}
+
+
+		/* Read oscillator calibration byte */
+		else if(ch=='v')
+			byte_response(0x00);
+
+		else if (++error_count == MAX_ERROR_COUNT)
+		    app_start();
+
+	}
+    /* end of forever loop */
+}
+
+
+char gethex(void)
+{
+    char ah,al;
+
+    ah = getch();
+	putch(ah);
+    al = getch();
+	putch(al);
+    
+	if(ah >= 'a')
+		ah = ah - 'a' + 0x0a;
+	else if(ah >= '0')
+		ah -= '0';
+    if(al >= 'a')
+		al = al - 'a' + 0x0a;
+	else if(al >= '0')
+		al -= '0';
+
+    return (ah << 4) + al;
+}
+
+
+void puthex(char ch)
+{
+    char ah,al;
+
+    ah = (ch & 0xf0) >> 4;
+	if(ah >= 0x0a)
+		ah = ah - 0x0a + 'a';
+	else
+		ah += '0';
+
+    al = (ch & 0x0f);
+	if(al >= 0x0a)
+		al = al - 0x0a + 'a';
+	else
+		al += '0';
+
+    putch(ah);
+    putch(al);
+}
+
+
+void putch(char ch)
+{
+    while (!(UCSR0A & _BV(UDRE0)));
+    UDR0 = ch;
+}
+
+
+
+
+char getch(void)
+{
+    uint32_t count = 0;
+
+#ifdef ADABOOT
+	LED_PORT &= ~_BV(LED);          // toggle LED to show activity - BBR/LF 10/3/2007 & 9/13/2008
+#endif
+
+    while(!(UCSR0A & _BV(RXC0)))
+	{
+    	/* 20060803 DojoCorp:: Addon coming from the previous Bootloader*/               
+    	/* HACKME:: here is a good place to count times*/
+    	count++;
+    	if (count > MAX_TIME_COUNT)
+    		app_start();
+     }
+
+#ifdef ADABOOT
+	LED_PORT |= _BV(LED);          // toggle LED to show activity - BBR/LF 10/3/2007 & 9/13/2008
+#endif
+
+    return UDR0;
+}
+
+
+void getNch(uint8_t count)
+{
+    uint8_t i;
+    for(i=0;i<count;i++)
+	{
+		while(!(UCSR0A & _BV(RXC0)));
+		UDR0;
+    }
+}
+
+
+void byte_response(uint8_t val)
+{
+    if (getch() == ' ')
+	{
+		putch(0x14);
+		putch(val);
+		putch(0x10);
+    }
+	else
+	{
+		if (++error_count == MAX_ERROR_COUNT)
+		    app_start();
+    }
+}
+
+
+void nothing_response(void)
+{
+    if (getch() == ' ')
+	{
+		putch(0x14);
+		putch(0x10);
+    }
+	else
+	{
+		if (++error_count == MAX_ERROR_COUNT)
+		    app_start();
+    }
+}
+
+#ifdef ADABOOT
+
+void flash_led(uint8_t count)
+{
+    /* flash onboard LED count times to signal entering of bootloader */
+	/* l needs to be volatile or the delay loops below might get      */
+	/* optimized away if compiling with optimizations (DAM).          */
+	
+    volatile uint32_t l;
+
+    if (count == 0) {
+      count = ADABOOT;
+    }
+    
+
+	int8_t i;
+    for (i = 0; i < count; ++i) {
+		LED_PORT |= _BV(LED);					// LED on
+		for(l = 0; l < (F_CPU / 1000); ++l);		// delay NGvalue was 1000 for both loops - BBR
+		LED_PORT &= ~_BV(LED);					// LED off
+		for(l = 0; l < (F_CPU / 250); ++l);		// delay asymmteric for ADA BOOT BBR 
+	}
+
+	for(l = 0; l < (F_CPU / 100); ++l);		    // pause ADA BOOT BBR 
+		
+}
+
+#else
+
+void flash_led(uint8_t count)
+{
+    /* flash onboard LED three times to signal entering of bootloader */
+	/* l needs to be volatile or the delay loops below might get
+	optimized away if compiling with optimizations (DAM). */
+    volatile uint32_t l;
+
+    if (count == 0) {
+      count = 3;
+    }
+    
+	int8_t i;
+    for (i = 0; i < count; ++i) {
+		LED_PORT |= _BV(LED);
+		for(l = 0; l < (F_CPU / 1000); ++l);
+		LED_PORT &= ~_BV(LED);
+		for(l = 0; l < (F_CPU / 1000); ++l); 
+	}
+		
+}
+
+
+#endif
+
+
+/* end of file ATmegaBOOT.c */

Marlin/Marlin/Sanguino/bootloaders/atmega644p/ATmegaBOOT_324P.hex

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Marlin/Marlin/Sanguino/bootloaders/atmega644p/ATmegaBOOT_644.hex

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Marlin/Marlin/Sanguino/bootloaders/atmega644p/ATmegaBOOT_644P.hex

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+:10FF5000CA30CCF7C05D0E94067D8C2F0E94067DC2
+:06FF6000CF910895FFCFD0
+:040000030000F80001
+:00000001FF

Marlin/Marlin/Sanguino/bootloaders/atmega644p/Makefile

+# Makefile for ATmegaBOOT
+# E.Lins, 18.7.2005
+# $Id$
+
+
+# program name should not be changed...
+PROGRAM    = ATmegaBOOT_644P
+
+# enter the target CPU frequency
+AVR_FREQ   = 16000000L
+
+MCU_TARGET = atmega644p
+LDSECTION  = --section-start=.text=0xF800
+
+OBJ        = $(PROGRAM).o
+OPTIMIZE   = -O2
+
+DEFS       = 
+LIBS       = 
+
+CC         = avr-gcc
+
+
+# Override is only needed by avr-lib build system.
+
+override CFLAGS        = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -DF_CPU=$(AVR_FREQ) $(DEFS)
+override LDFLAGS       = -Wl,$(LDSECTION)
+#override LDFLAGS       = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)
+
+OBJCOPY        = avr-objcopy
+OBJDUMP        = avr-objdump
+
+all: CFLAGS += '-DMAX_TIME_COUNT=8000000L>>1' -DADABOOT
+all: $(PROGRAM).hex
+
+$(PROGRAM).hex: $(PROGRAM).elf
+	$(OBJCOPY) -j .text -j .data -O ihex $< $@
+	
+$(PROGRAM).elf: $(OBJ)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+	
+$(OBJ): ATmegaBOOT.c
+	avr-gcc $(CFLAGS) $(LDFLAGS) -c -g -O2 -Wall -mmcu=$(MCU_TARGET) ATmegaBOOT.c -o $(PROGRAM).o
+
+%.lst: %.elf
+	$(OBJDUMP) -h -S $< > $@
+
+%.srec: %.elf
+	$(OBJCOPY) -j .text -j .data -O srec $< $@
+
+%.bin: %.elf
+	$(OBJCOPY) -j .text -j .data -O binary $< $@
+
+clean:
+	rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex
+	

Marlin/Marlin/Sanguino/bootloaders/atmega644p/README.txt

+Note: This bootloader support ATmega644, ATmega644P and ATmega324P.
+To build, set PROGRAM and MCU_TARGET in the Makefile according to your target device.
+

Marlin/Marlin/Sanguino/cores/arduino/Copy of wiring.h

+/*
+  wiring.h - Partial implementation of the Wiring API for the ATmega8.
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id$
+*/
+
+#ifndef Wiring_h
+#define Wiring_h
+
+#include <avr/io.h>
+#include <stdlib.h>
+#include "binary.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#define HIGH 0x1
+#define LOW  0x0
+
+#define INPUT 0x0
+#define OUTPUT 0x1
+
+#define true 0x1
+#define false 0x0
+
+#define PI 3.1415926535897932384626433832795
+#define HALF_PI 1.5707963267948966192313216916398
+#define TWO_PI 6.283185307179586476925286766559
+#define DEG_TO_RAD 0.017453292519943295769236907684886
+#define RAD_TO_DEG 57.295779513082320876798154814105
+
+#define SERIAL  0x0
+#define DISPLAY 0x1
+
+#define LSBFIRST 0
+#define MSBFIRST 1
+
+#define CHANGE 1
+#define FALLING 2
+#define RISING 3
+
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#define INTERNAL1V1 2
+#define INTERNAL2V56 3
+#else
+#define INTERNAL 3
+#endif
+#define DEFAULT 1
+#define EXTERNAL 0
+
+// undefine stdlib's abs if encountered
+#ifdef abs
+#undef abs
+#endif
+
+#define min(a,b) ((a)<(b)?(a):(b))
+#define max(a,b) ((a)>(b)?(a):(b))
+#define abs(x) ((x)>0?(x):-(x))
+#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
+#define round(x)     ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
+#define radians(deg) ((deg)*DEG_TO_RAD)
+#define degrees(rad) ((rad)*RAD_TO_DEG)
+#define sq(x) ((x)*(x))
+
+#define interrupts() sei()
+#define noInterrupts() cli()
+
+#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L )
+#define clockCyclesToMicroseconds(a) ( ((a) * 1000L) / (F_CPU / 1000L) )
+#define microsecondsToClockCycles(a) ( ((a) * (F_CPU / 1000L)) / 1000L )
+
+#define lowByte(w) ((uint8_t) ((w) & 0xff))
+#define highByte(w) ((uint8_t) ((w) >> 8))
+
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitSet(value, bit) ((value) |= (1UL << (bit)))
+#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
+#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
+
+
+typedef unsigned int word;
+
+#define bit(b) (1UL << (b))
+
+typedef uint8_t boolean;
+typedef uint8_t byte;
+
+void init(void);
+
+void pinMode(uint8_t, uint8_t);
+void digitalWrite(uint8_t, uint8_t);
+int digitalRead(uint8_t);
+int analogRead(uint8_t);
+void analogReference(uint8_t mode);
+void analogWrite(uint8_t, int);
+
+unsigned long millis(void);
+unsigned long micros(void);
+void delay(unsigned long);
+void delayMicroseconds(unsigned int us);
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout);
+
+void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
+uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder);
+
+void attachInterrupt(uint8_t, void (*)(void), int mode);
+void detachInterrupt(uint8_t);
+
+void setup(void);
+void loop(void);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif

Marlin/Marlin/Sanguino/cores/arduino/HardwareSerial.cpp

+/*
+  HardwareSerial.cpp - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+  
+  Modified 23 November 2006 by David A. Mellis
+  Modified 28 September 2010 by Mark Sproul
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include "wiring.h"
+#include "wiring_private.h"
+
+// this next line disables the entire HardwareSerial.cpp, 
+// this is so I can support Attiny series and any other chip without a uart
+#if defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H)
+
+#include "HardwareSerial.h"
+
+// Define constants and variables for buffering incoming serial data.  We're
+// using a ring buffer (I think), in which rx_buffer_head is the index of the
+// location to which to write the next incoming character and rx_buffer_tail
+// is the index of the location from which to read.
+#define RX_BUFFER_SIZE 128
+
+struct ring_buffer
+{
+  unsigned char buffer[RX_BUFFER_SIZE];
+  int head;
+  int tail;
+};
+
+ring_buffer rx_buffer  =  { { 0 }, 0, 0 };
+
+inline void store_char(unsigned char c, ring_buffer *rx_buffer)
+{
+  int i = (unsigned int)(rx_buffer->head + 1) & (RX_BUFFER_SIZE -1);
+
+  // if we should be storing the received character into the location
+  // just before the tail (meaning that the head would advance to the
+  // current location of the tail), we're about to overflow the buffer
+  // and so we don't write the character or advance the head.
+  if (i != rx_buffer->tail) {
+    rx_buffer->buffer[rx_buffer->head] = c;
+    rx_buffer->head = i;
+  }
+}
+
+// fixed by Mark Sproul this is on the 644/644p
+//SIGNAL(SIG_USART_RECV)
+SIGNAL(USART0_RX_vect)
+{
+  unsigned char c  =  UDR0;
+  store_char(c, &rx_buffer);
+}
+
+
+// Constructors ////////////////////////////////////////////////////////////////
+
+HardwareSerial::HardwareSerial(ring_buffer *rx_buffer,
+  volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
+  volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
+  volatile uint8_t *udr,
+  uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x)
+{
+  _rx_buffer = rx_buffer;
+  _ubrrh = ubrrh;
+  _ubrrl = ubrrl;
+  _ucsra = ucsra;
+  _ucsrb = ucsrb;
+  _udr = udr;
+  _rxen = rxen;
+  _txen = txen;
+  _rxcie = rxcie;
+  _udre = udre;
+  _u2x = u2x;
+}
+
+// Public Methods //////////////////////////////////////////////////////////////
+
+void HardwareSerial::begin(long baud)
+{
+  uint16_t baud_setting;
+  bool use_u2x = true;
+
+#if F_CPU == 16000000UL
+  // hardcoded exception for compatibility with the bootloader shipped
+  // with the Duemilanove and previous boards and the firmware on the 8U2
+  // on the Uno and Mega 2560.
+  if (baud == 57600) {
+    use_u2x = false;
+  }
+#endif
+  
+  if (use_u2x) {
+    *_ucsra = 1 << _u2x;
+    baud_setting = (F_CPU / 4 / baud - 1) / 2;
+  } else {
+    *_ucsra = 0;
+    baud_setting = (F_CPU / 8 / baud - 1) / 2;
+  }
+
+  // assign the baud_setting, a.k.a. ubbr (USART Baud Rate Register)
+  *_ubrrh = baud_setting >> 8;
+  *_ubrrl = baud_setting;
+
+  sbi(*_ucsrb, _rxen);
+  sbi(*_ucsrb, _txen);
+  sbi(*_ucsrb, _rxcie);
+}
+
+void HardwareSerial::end()
+{
+  cbi(*_ucsrb, _rxen);
+  cbi(*_ucsrb, _txen);
+  cbi(*_ucsrb, _rxcie);  
+}
+
+int HardwareSerial::available(void)
+{
+  return (unsigned int)(RX_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) & (RX_BUFFER_SIZE-1);
+}
+
+int HardwareSerial::peek(void)
+{
+  if (_rx_buffer->head == _rx_buffer->tail) {
+    return -1;
+  } else {
+    return _rx_buffer->buffer[_rx_buffer->tail];
+  }
+}
+
+int HardwareSerial::read(void)
+{
+  // if the head isn't ahead of the tail, we don't have any characters
+  if (_rx_buffer->head == _rx_buffer->tail) {
+    return -1;
+  } else {
+    unsigned char c = _rx_buffer->buffer[_rx_buffer->tail];
+    _rx_buffer->tail = (unsigned int)(_rx_buffer->tail + 1) & (RX_BUFFER_SIZE-1);
+    return c;
+  }
+}
+
+void HardwareSerial::flush()
+{
+  // don't reverse this or there may be problems if the RX interrupt
+  // occurs after reading the value of rx_buffer_head but before writing
+  // the value to rx_buffer_tail; the previous value of rx_buffer_head
+  // may be written to rx_buffer_tail, making it appear as if the buffer
+  // don't reverse this or there may be problems if the RX interrupt
+  // occurs after reading the value of rx_buffer_head but before writing
+  // the value to rx_buffer_tail; the previous value of rx_buffer_head
+  // may be written to rx_buffer_tail, making it appear as if the buffer
+  // were full, not empty.
+  _rx_buffer->head = _rx_buffer->tail;
+}
+
+void HardwareSerial::write(uint8_t c)
+{
+  while (!((*_ucsra) & (1 << _udre)))
+    ;
+
+  *_udr = c;
+}
+
+// Preinstantiate Objects //////////////////////////////////////////////////////
+HardwareSerial Serial(&rx_buffer, &UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UDR0, RXEN0, TXEN0, RXCIE0, UDRE0, U2X0);
+
+#endif // whole file
+

Marlin/Marlin/Sanguino/cores/arduino/HardwareSerial.h

+/*
+  HardwareSerial.h - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+  Modified 28 September 2010 by Mark Sproul
+*/
+
+#ifndef HardwareSerial_h
+#define HardwareSerial_h
+
+#include <inttypes.h>
+
+#include "Stream.h"
+
+struct ring_buffer;
+
+class HardwareSerial : public Stream
+{
+  private:
+    ring_buffer *_rx_buffer;
+    volatile uint8_t *_ubrrh;
+    volatile uint8_t *_ubrrl;
+    volatile uint8_t *_ucsra;
+    volatile uint8_t *_ucsrb;
+    volatile uint8_t *_udr;
+    uint8_t _rxen;
+    uint8_t _txen;
+    uint8_t _rxcie;
+    uint8_t _udre;
+    uint8_t _u2x;
+  public:
+    HardwareSerial(ring_buffer *rx_buffer,
+      volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
+      volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
+      volatile uint8_t *udr,
+      uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x);
+    void begin(long);
+    void end();
+    virtual int available(void);
+    virtual int peek(void);
+    virtual int read(void);
+    virtual void flush(void);
+    virtual void write(uint8_t);
+    using Print::write; // pull in write(str) and write(buf, size) from Print
+};
+
+#if defined(UBRRH) || defined(UBRR0H)
+  extern HardwareSerial Serial;
+#elif defined(USBCON)
+  #include "usb_api.h"
+#endif
+#if defined(UBRR1H)
+  extern HardwareSerial Serial1;
+#endif
+#if defined(UBRR2H)
+  extern HardwareSerial Serial2;
+#endif
+#if defined(UBRR3H)
+  extern HardwareSerial Serial3;
+#endif
+
+#endif

Marlin/Marlin/Sanguino/cores/arduino/Print.cpp

+/*
+ Print.cpp - Base class that provides print() and println()
+ Copyright (c) 2008 David A. Mellis.  All right reserved.
+ 
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ 
+ Modified 23 November 2006 by David A. Mellis
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include "wiring.h"
+
+#include "Print.h"
+
+// Public Methods //////////////////////////////////////////////////////////////
+
+/* default implementation: may be overridden */
+void Print::write(const char *str)
+{
+  while (*str)
+    write(*str++);
+}
+
+/* default implementation: may be overridden */
+void Print::write(const uint8_t *buffer, size_t size)
+{
+  while (size--)
+    write(*buffer++);
+}
+
+void Print::print(const String &s)
+{
+  for (int i = 0; i < s.length(); i++) {
+    write(s[i]);
+  }
+}
+
+void Print::print(const char str[])
+{
+  write(str);
+}
+
+void Print::print(char c, int base)
+{
+  print((long) c, base);
+}
+
+void Print::print(unsigned char b, int base)
+{
+  print((unsigned long) b, base);
+}
+
+void Print::print(int n, int base)
+{
+  print((long) n, base);
+}
+
+void Print::print(unsigned int n, int base)
+{
+  print((unsigned long) n, base);
+}
+
+void Print::print(long n, int base)
+{
+  if (base == 0) {
+    write(n);
+  } else if (base == 10) {
+    if (n < 0) {
+      print('-');
+      n = -n;
+    }
+    printNumber(n, 10);
+  } else {
+    printNumber(n, base);
+  }
+}
+
+void Print::print(unsigned long n, int base)
+{
+  if (base == 0) write(n);
+  else printNumber(n, base);
+}
+
+void Print::print(double n, int digits)
+{
+  printFloat(n, digits);
+}
+
+void Print::println(void)
+{
+  print('\r');
+  print('\n');  
+}
+
+void Print::println(const String &s)
+{
+  print(s);
+  println();
+}
+
+void Print::println(const char c[])
+{
+  print(c);
+  println();
+}
+
+void Print::println(char c, int base)
+{
+  print(c, base);
+  println();
+}
+
+void Print::println(unsigned char b, int base)
+{
+  print(b, base);
+  println();
+}
+
+void Print::println(int n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void Print::println(unsigned int n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void Print::println(long n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void Print::println(unsigned long n, int base)
+{
+  print(n, base);
+  println();
+}
+
+void Print::println(double n, int digits)
+{
+  print(n, digits);
+  println();
+}
+
+// Private Methods /////////////////////////////////////////////////////////////
+
+void Print::printNumber(unsigned long n, uint8_t base)
+{
+  unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars. 
+  unsigned long i = 0;
+
+  if (n == 0) {
+    print('0');
+    return;
+  } 
+
+  while (n > 0) {
+    buf[i++] = n % base;
+    n /= base;
+  }
+
+  for (; i > 0; i--)
+    print((char) (buf[i - 1] < 10 ?
+      '0' + buf[i - 1] :
+      'A' + buf[i - 1] - 10));
+}
+
+void Print::printFloat(double number, uint8_t digits) 
+{ 
+  // Handle negative numbers
+  if (number < 0.0)
+  {
+     print('-');
+     number = -number;
+  }
+
+  // Round correctly so that print(1.999, 2) prints as "2.00"
+  double rounding = 0.5;
+  for (uint8_t i=0; i<digits; ++i)
+    rounding /= 10.0;
+  
+  number += rounding;
+
+  // Extract the integer part of the number and print it
+  unsigned long int_part = (unsigned long)number;
+  double remainder = number - (double)int_part;
+  print(int_part);
+
+  // Print the decimal point, but only if there are digits beyond
+  if (digits > 0)
+    print("."); 
+
+  // Extract digits from the remainder one at a time
+  while (digits-- > 0)
+  {
+    remainder *= 10.0;
+    int toPrint = int(remainder);
+    print(toPrint);
+    remainder -= toPrint; 
+  } 
+}

Marlin/Marlin/Sanguino/cores/arduino/Print.h

+/*
+  Print.h - Base class that provides print() and println()
+  Copyright (c) 2008 David A. Mellis.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef Print_h
+#define Print_h
+
+#include <inttypes.h>
+#include <stdio.h> // for size_t
+
+#include "WString.h"
+
+#define DEC 10
+#define HEX 16
+#define OCT 8
+#define BIN 2
+#define BYTE 0
+
+class Print
+{
+  private:
+    void printNumber(unsigned long, uint8_t);
+    void printFloat(double, uint8_t);
+  public:
+    virtual void write(uint8_t) = 0;
+    virtual void write(const char *str);
+    virtual void write(const uint8_t *buffer, size_t size);
+    
+    void print(const String &);
+    void print(const char[]);
+    void print(char, int = BYTE);
+    void print(unsigned char, int = BYTE);
+    void print(int, int = DEC);
+    void print(unsigned int, int = DEC);
+    void print(long, int = DEC);
+    void print(unsigned long, int = DEC);
+    void print(double, int = 2);
+
+    void println(const String &s);
+    void println(const char[]);
+    void println(char, int = BYTE);
+    void println(unsigned char, int = BYTE);
+    void println(int, int = DEC);
+    void println(unsigned int, int = DEC);
+    void println(long, int = DEC);
+    void println(unsigned long, int = DEC);
+    void println(double, int = 2);
+    void println(void);
+};
+
+#endif

Marlin/Marlin/Sanguino/cores/arduino/Stream.h

+/*
+  Stream.h - base class for character-based streams.
+  Copyright (c) 2010 David A. Mellis.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef Stream_h
+#define Stream_h
+
+#include <inttypes.h>
+#include "Print.h"
+
+class Stream : public Print
+{
+  public:
+    virtual int available() = 0;
+    virtual int read() = 0;
+    virtual int peek() = 0;
+    virtual void flush() = 0;
+};
+
+#endif

Marlin/Marlin/Sanguino/cores/arduino/Tone.cpp

+/* Tone.cpp
+
+  A Tone Generator Library
+
+  Written by Brett Hagman
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+Version Modified By Date     Comments
+------- ----------- -------- --------
+0001    B Hagman    09/08/02 Initial coding
+0002    B Hagman    09/08/18 Multiple pins
+0003    B Hagman    09/08/18 Moved initialization from constructor to begin()
+0004    B Hagman    09/09/26 Fixed problems with ATmega8
+0005    B Hagman    09/11/23 Scanned prescalars for best fit on 8 bit timers
+                    09/11/25 Changed pin toggle method to XOR
+                    09/11/25 Fixed timer0 from being excluded
+0006    D Mellis    09/12/29 Replaced objects with functions
+0007    M Sproul    10/08/29 Changed #ifdefs from cpu to register
+*************************************************/
+
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+#include "wiring.h"
+#include "pins_arduino.h"
+
+#if defined(__AVR_ATmega8__) || defined(__AVR_ATmega128__)
+#define TCCR2A TCCR2
+#define TCCR2B TCCR2
+#define COM2A1 COM21
+#define COM2A0 COM20
+#define OCR2A OCR2
+#define TIMSK2 TIMSK
+#define OCIE2A OCIE2
+#define TIMER2_COMPA_vect TIMER2_COMP_vect
+#define TIMSK1 TIMSK
+#endif
+
+// timerx_toggle_count:
+//  > 0 - duration specified
+//  = 0 - stopped
+//  < 0 - infinitely (until stop() method called, or new play() called)
+
+#if !defined(__AVR_ATmega8__)
+volatile long timer0_toggle_count;
+volatile uint8_t *timer0_pin_port;
+volatile uint8_t timer0_pin_mask;
+#endif
+
+volatile long timer1_toggle_count;
+volatile uint8_t *timer1_pin_port;
+volatile uint8_t timer1_pin_mask;
+volatile long timer2_toggle_count;
+volatile uint8_t *timer2_pin_port;
+volatile uint8_t timer2_pin_mask;
+
+#if defined(TIMSK3)
+volatile long timer3_toggle_count;
+volatile uint8_t *timer3_pin_port;
+volatile uint8_t timer3_pin_mask;
+#endif
+
+#if defined(TIMSK4)
+volatile long timer4_toggle_count;
+volatile uint8_t *timer4_pin_port;
+volatile uint8_t timer4_pin_mask;
+#endif
+
+#if defined(TIMSK5)
+volatile long timer5_toggle_count;
+volatile uint8_t *timer5_pin_port;
+volatile uint8_t timer5_pin_mask;
+#endif
+
+
+// MLS: This does not make sense, the 3 options are the same
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+
+#define AVAILABLE_TONE_PINS 1
+
+const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 3, 4, 5, 1, 0 */ };
+static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255, 255, 255, 255, 255 */ };
+
+#elif defined(__AVR_ATmega8__)
+
+#define AVAILABLE_TONE_PINS 1
+
+const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 1 */ };
+static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255 */ };
+
+#else
+
+#define AVAILABLE_TONE_PINS 1
+
+// Leave timer 0 to last.
+const uint8_t PROGMEM tone_pin_to_timer_PGM[] = { 2 /*, 1, 0 */ };
+static uint8_t tone_pins[AVAILABLE_TONE_PINS] = { 255 /*, 255, 255 */ };
+
+#endif
+
+
+
+static int8_t toneBegin(uint8_t _pin)
+{
+  int8_t _timer = -1;
+
+  // if we're already using the pin, the timer should be configured.  
+  for (int i = 0; i < AVAILABLE_TONE_PINS; i++) {
+    if (tone_pins[i] == _pin) {
+      return pgm_read_byte(tone_pin_to_timer_PGM + i);
+    }
+  }
+  
+  // search for an unused timer.
+  for (int i = 0; i < AVAILABLE_TONE_PINS; i++) {
+    if (tone_pins[i] == 255) {
+      tone_pins[i] = _pin;
+      _timer = pgm_read_byte(tone_pin_to_timer_PGM + i);
+      break;
+    }
+  }
+  
+  if (_timer != -1)
+  {
+    // Set timer specific stuff
+    // All timers in CTC mode
+    // 8 bit timers will require changing prescalar values,
+    // whereas 16 bit timers are set to either ck/1 or ck/64 prescalar
+    switch (_timer)
+    {
+      #if defined(TCCR0A) && defined(TCCR0B)
+      case 0:
+        // 8 bit timer
+        TCCR0A = 0;
+        TCCR0B = 0;
+        bitWrite(TCCR0A, WGM01, 1);
+        bitWrite(TCCR0B, CS00, 1);
+        timer0_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer0_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR1A) && defined(TCCR1B) && defined(WGM12)
+      case 1:
+        // 16 bit timer
+        TCCR1A = 0;
+        TCCR1B = 0;
+        bitWrite(TCCR1B, WGM12, 1);
+        bitWrite(TCCR1B, CS10, 1);
+        timer1_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer1_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR2A) && defined(TCCR2B)
+      case 2:
+        // 8 bit timer
+        TCCR2A = 0;
+        TCCR2B = 0;
+        bitWrite(TCCR2A, WGM21, 1);
+        bitWrite(TCCR2B, CS20, 1);
+        timer2_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer2_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR3A) && defined(TCCR3B) &&  defined(TIMSK3)
+      case 3:
+        // 16 bit timer
+        TCCR3A = 0;
+        TCCR3B = 0;
+        bitWrite(TCCR3B, WGM32, 1);
+        bitWrite(TCCR3B, CS30, 1);
+        timer3_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer3_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR4A) && defined(TCCR4B) &&  defined(TIMSK4)
+      case 4:
+        // 16 bit timer
+        TCCR4A = 0;
+        TCCR4B = 0;
+        #if defined(WGM42)
+          bitWrite(TCCR4B, WGM42, 1);
+        #elif defined(CS43)
+          #warning this may not be correct
+          // atmega32u4
+          bitWrite(TCCR4B, CS43, 1);
+        #endif
+        bitWrite(TCCR4B, CS40, 1);
+        timer4_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer4_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+
+      #if defined(TCCR5A) && defined(TCCR5B) &&  defined(TIMSK5)
+      case 5:
+        // 16 bit timer
+        TCCR5A = 0;
+        TCCR5B = 0;
+        bitWrite(TCCR5B, WGM52, 1);
+        bitWrite(TCCR5B, CS50, 1);
+        timer5_pin_port = portOutputRegister(digitalPinToPort(_pin));
+        timer5_pin_mask = digitalPinToBitMask(_pin);
+        break;
+      #endif
+    }
+  }
+
+  return _timer;
+}
+
+
+
+// frequency (in hertz) and duration (in milliseconds).
+
+void tone(uint8_t _pin, unsigned int frequency, unsigned long duration)
+{
+  uint8_t prescalarbits = 0b001;
+  long toggle_count = 0;
+  uint32_t ocr = 0;
+  int8_t _timer;
+
+  _timer = toneBegin(_pin);
+
+  if (_timer >= 0)
+  {
+    // Set the pinMode as OUTPUT
+    pinMode(_pin, OUTPUT);
+    
+    // if we are using an 8 bit timer, scan through prescalars to find the best fit
+    if (_timer == 0 || _timer == 2)
+    {
+      ocr = F_CPU / frequency / 2 - 1;
+      prescalarbits = 0b001;  // ck/1: same for both timers
+      if (ocr > 255)
+      {
+        ocr = F_CPU / frequency / 2 / 8 - 1;
+        prescalarbits = 0b010;  // ck/8: same for both timers
+
+        if (_timer == 2 && ocr > 255)
+        {
+          ocr = F_CPU / frequency / 2 / 32 - 1;
+          prescalarbits = 0b011;
+        }
+
+        if (ocr > 255)
+        {
+          ocr = F_CPU / frequency / 2 / 64 - 1;
+          prescalarbits = _timer == 0 ? 0b011 : 0b100;
+
+          if (_timer == 2 && ocr > 255)
+          {
+            ocr = F_CPU / frequency / 2 / 128 - 1;
+            prescalarbits = 0b101;
+          }
+
+          if (ocr > 255)
+          {
+            ocr = F_CPU / frequency / 2 / 256 - 1;
+            prescalarbits = _timer == 0 ? 0b100 : 0b110;
+            if (ocr > 255)
+            {
+              // can't do any better than /1024
+              ocr = F_CPU / frequency / 2 / 1024 - 1;
+              prescalarbits = _timer == 0 ? 0b101 : 0b111;
+            }
+          }
+        }
+      }
+
+#if defined(TCCR0B)
+      if (_timer == 0)
+      {
+        TCCR0B = prescalarbits;
+      }
+      else
+#endif
+#if defined(TCCR2B)
+      {
+        TCCR2B = prescalarbits;
+      }
+#else
+      {
+        // dummy place holder to make the above ifdefs work
+      }
+#endif
+    }
+    else
+    {
+      // two choices for the 16 bit timers: ck/1 or ck/64
+      ocr = F_CPU / frequency / 2 - 1;
+
+      prescalarbits = 0b001;
+      if (ocr > 0xffff)
+      {
+        ocr = F_CPU / frequency / 2 / 64 - 1;
+        prescalarbits = 0b011;
+      }
+
+      if (_timer == 1)
+      {
+#if defined(TCCR1B)
+        TCCR1B = (TCCR1B & 0b11111000) | prescalarbits;
+#endif
+      }
+#if defined(TCCR3B)
+      else if (_timer == 3)
+        TCCR3B = (TCCR3B & 0b11111000) | prescalarbits;
+#endif
+#if defined(TCCR4B)
+      else if (_timer == 4)
+        TCCR4B = (TCCR4B & 0b11111000) | prescalarbits;
+#endif
+#if defined(TCCR5B)
+      else if (_timer == 5)
+        TCCR5B = (TCCR5B & 0b11111000) | prescalarbits;
+#endif
+
+    }
+    
+
+    // Calculate the toggle count
+    if (duration > 0)
+    {
+      toggle_count = 2 * frequency * duration / 1000;
+    }
+    else
+    {
+      toggle_count = -1;
+    }
+
+    // Set the OCR for the given timer,
+    // set the toggle count,
+    // then turn on the interrupts
+    switch (_timer)
+    {
+
+#if defined(OCR0A) && defined(TIMSK0) && defined(OCIE0A)
+      case 0:
+        OCR0A = ocr;
+        timer0_toggle_count = toggle_count;
+        bitWrite(TIMSK0, OCIE0A, 1);
+        break;
+#endif
+
+      case 1:
+#if defined(OCR1A) && defined(TIMSK1) && defined(OCIE1A)
+        OCR1A = ocr;
+        timer1_toggle_count = toggle_count;
+        bitWrite(TIMSK1, OCIE1A, 1);
+#elif defined(OCR1A) && defined(TIMSK) && defined(OCIE1A)
+        // this combination is for at least the ATmega32
+        OCR1A = ocr;
+        timer1_toggle_count = toggle_count;
+        bitWrite(TIMSK, OCIE1A, 1);
+#endif
+        break;
+
+#if defined(OCR2A) && defined(TIMSK2) && defined(OCIE2A)
+      case 2:
+        OCR2A = ocr;
+        timer2_toggle_count = toggle_count;
+        bitWrite(TIMSK2, OCIE2A, 1);
+        break;
+#endif
+
+#if defined(TIMSK3)
+      case 3:
+        OCR3A = ocr;
+        timer3_toggle_count = toggle_count;
+        bitWrite(TIMSK3, OCIE3A, 1);
+        break;
+#endif
+
+#if defined(TIMSK4)
+      case 4:
+        OCR4A = ocr;
+        timer4_toggle_count = toggle_count;
+        bitWrite(TIMSK4, OCIE4A, 1);
+        break;
+#endif
+
+#if defined(OCR5A) && defined(TIMSK5) && defined(OCIE5A)
+      case 5:
+        OCR5A = ocr;
+        timer5_toggle_count = toggle_count;
+        bitWrite(TIMSK5, OCIE5A, 1);
+        break;
+#endif
+
+    }
+  }
+}
+
+
+// XXX: this function only works properly for timer 2 (the only one we use
+// currently).  for the others, it should end the tone, but won't restore
+// proper PWM functionality for the timer.
+void disableTimer(uint8_t _timer)
+{
+  switch (_timer)
+  {
+    case 0:
+      #if defined(TIMSK0)
+        TIMSK0 = 0;
+      #elif defined(TIMSK)
+        TIMSK = 0; // atmega32
+      #endif
+      break;
+
+#if defined(TIMSK1) && defined(OCIE1A)
+    case 1:
+      bitWrite(TIMSK1, OCIE1A, 0);
+      break;
+#endif
+
+    case 2:
+      #if defined(TIMSK2) && defined(OCIE2A)
+        bitWrite(TIMSK2, OCIE2A, 0); // disable interrupt
+      #endif
+      #if defined(TCCR2A) && defined(WGM20)
+        TCCR2A = (1 << WGM20);
+      #endif
+      #if defined(TCCR2B) && defined(CS22)
+        TCCR2B = (TCCR2B & 0b11111000) | (1 << CS22);
+      #endif
+      #if defined(OCR2A)
+        OCR2A = 0;
+      #endif
+      break;
+
+#if defined(TIMSK3)
+    case 3:
+      TIMSK3 = 0;
+      break;
+#endif
+
+#if defined(TIMSK4)
+    case 4:
+      TIMSK4 = 0;
+      break;
+#endif
+
+#if defined(TIMSK5)
+    case 5:
+      TIMSK5 = 0;
+      break;
+#endif
+  }
+}
+
+
+void noTone(uint8_t _pin)
+{
+  int8_t _timer = -1;
+  
+  for (int i = 0; i < AVAILABLE_TONE_PINS; i++) {
+    if (tone_pins[i] == _pin) {
+      _timer = pgm_read_byte(tone_pin_to_timer_PGM + i);
+      tone_pins[i] = 255;
+    }
+  }
+  
+  disableTimer(_timer);
+
+  digitalWrite(_pin, 0);
+}
+
+#if 0
+#if !defined(__AVR_ATmega8__)
+ISR(TIMER0_COMPA_vect)
+{
+  if (timer0_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer0_pin_port ^= timer0_pin_mask;
+
+    if (timer0_toggle_count > 0)
+      timer0_toggle_count--;
+  }
+  else
+  {
+    disableTimer(0);
+    *timer0_pin_port &= ~(timer0_pin_mask);  // keep pin low after stop
+  }
+}
+#endif
+
+
+ISR(TIMER1_COMPA_vect)
+{
+  if (timer1_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer1_pin_port ^= timer1_pin_mask;
+
+    if (timer1_toggle_count > 0)
+      timer1_toggle_count--;
+  }
+  else
+  {
+    disableTimer(1);
+    *timer1_pin_port &= ~(timer1_pin_mask);  // keep pin low after stop
+  }
+}
+#endif
+
+
+ISR(TIMER2_COMPA_vect)
+{
+
+  if (timer2_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer2_pin_port ^= timer2_pin_mask;
+
+    if (timer2_toggle_count > 0)
+      timer2_toggle_count--;
+  }
+  else
+  {
+    // need to call noTone() so that the tone_pins[] entry is reset, so the
+    // timer gets initialized next time we call tone().
+    // XXX: this assumes timer 2 is always the first one used.
+    noTone(tone_pins[0]);
+//    disableTimer(2);
+//    *timer2_pin_port &= ~(timer2_pin_mask);  // keep pin low after stop
+  }
+}
+
+
+
+//#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#if 0
+
+ISR(TIMER3_COMPA_vect)
+{
+  if (timer3_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer3_pin_port ^= timer3_pin_mask;
+
+    if (timer3_toggle_count > 0)
+      timer3_toggle_count--;
+  }
+  else
+  {
+    disableTimer(3);
+    *timer3_pin_port &= ~(timer3_pin_mask);  // keep pin low after stop
+  }
+}
+
+ISR(TIMER4_COMPA_vect)
+{
+  if (timer4_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer4_pin_port ^= timer4_pin_mask;
+
+    if (timer4_toggle_count > 0)
+      timer4_toggle_count--;
+  }
+  else
+  {
+    disableTimer(4);
+    *timer4_pin_port &= ~(timer4_pin_mask);  // keep pin low after stop
+  }
+}
+
+ISR(TIMER5_COMPA_vect)
+{
+  if (timer5_toggle_count != 0)
+  {
+    // toggle the pin
+    *timer5_pin_port ^= timer5_pin_mask;
+
+    if (timer5_toggle_count > 0)
+      timer5_toggle_count--;
+  }
+  else
+  {
+    disableTimer(5);
+    *timer5_pin_port &= ~(timer5_pin_mask);  // keep pin low after stop
+  }
+}
+
+#endif

Marlin/Marlin/Sanguino/cores/arduino/WCharacter.h

+/*
+ WCharacter.h - Character utility functions for Wiring & Arduino
+ Copyright (c) 2010 Hernando Barragan.  All right reserved.
+ 
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef Character_h
+#define Character_h
+
+#include <ctype.h>
+
+// WCharacter.h prototypes
+inline boolean isAlphaNumeric(int c) __attribute__((always_inline));
+inline boolean isAlpha(int c) __attribute__((always_inline));
+inline boolean isAscii(int c) __attribute__((always_inline));
+inline boolean isWhitespace(int c) __attribute__((always_inline));
+inline boolean isControl(int c) __attribute__((always_inline));
+inline boolean isDigit(int c) __attribute__((always_inline));
+inline boolean isGraph(int c) __attribute__((always_inline));
+inline boolean isLowerCase(int c) __attribute__((always_inline));
+inline boolean isPrintable(int c) __attribute__((always_inline));
+inline boolean isPunct(int c) __attribute__((always_inline));
+inline boolean isSpace(int c) __attribute__((always_inline));
+inline boolean isUpperCase(int c) __attribute__((always_inline));
+inline boolean isHexadecimalDigit(int c) __attribute__((always_inline));
+inline int toAscii(int c) __attribute__((always_inline));
+inline int toLowerCase(int c) __attribute__((always_inline));
+inline int toUpperCase(int c)__attribute__((always_inline));
+
+
+// Checks for an alphanumeric character. 
+// It is equivalent to (isalpha(c) || isdigit(c)).
+inline boolean isAlphaNumeric(int c) 
+{
+  return ( isalnum(c) == 0 ? false : true);
+}
+
+
+// Checks for an alphabetic character. 
+// It is equivalent to (isupper(c) || islower(c)).
+inline boolean isAlpha(int c)
+{
+  return ( isalpha(c) == 0 ? false : true);
+}
+
+
+// Checks whether c is a 7-bit unsigned char value 
+// that fits into the ASCII character set.
+inline boolean isAscii(int c)
+{
+  return ( isascii (c) == 0 ? false : true);
+}
+
+
+// Checks for a blank character, that is, a space or a tab.
+inline boolean isWhitespace(int c)
+{
+  return ( isblank (c) == 0 ? false : true);
+}
+
+
+// Checks for a control character.
+inline boolean isControl(int c)
+{
+  return ( iscntrl (c) == 0 ? false : true);
+}
+
+
+// Checks for a digit (0 through 9).
+inline boolean isDigit(int c)
+{
+  return ( isdigit (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character except space.
+inline boolean isGraph(int c)
+{
+  return ( isgraph (c) == 0 ? false : true);
+}
+
+
+// Checks for a lower-case character.
+inline boolean isLowerCase(int c)
+{
+  return (islower (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character including space.
+inline boolean isPrintable(int c)
+{
+  return ( isprint (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character which is not a space 
+// or an alphanumeric character.
+inline boolean isPunct(int c)
+{
+  return ( ispunct (c) == 0 ? false : true);
+}
+
+
+// Checks for white-space characters. For the avr-libc library, 
+// these are: space, formfeed ('\f'), newline ('\n'), carriage 
+// return ('\r'), horizontal tab ('\t'), and vertical tab ('\v').
+inline boolean isSpace(int c)
+{
+  return ( isspace (c) == 0 ? false : true);
+}
+
+
+// Checks for an uppercase letter.
+inline boolean isUpperCase(int c)
+{
+  return ( isupper (c) == 0 ? false : true);
+}
+
+
+// Checks for a hexadecimal digits, i.e. one of 0 1 2 3 4 5 6 7 
+// 8 9 a b c d e f A B C D E F.
+inline boolean isHexadecimalDigit(int c)
+{
+  return ( isxdigit (c) == 0 ? false : true);
+}
+
+
+// Converts c to a 7-bit unsigned char value that fits into the 
+// ASCII character set, by clearing the high-order bits.
+inline int toAscii(int c)
+{
+  return toascii (c);
+}
+
+
+// Warning:
+// Many people will be unhappy if you use this function. 
+// This function will convert accented letters into random 
+// characters.
+
+// Converts the letter c to lower case, if possible.
+inline int toLowerCase(int c)
+{
+  return tolower (c);
+}
+
+
+// Converts the letter c to upper case, if possible.
+inline int toUpperCase(int c)
+{
+  return toupper (c);
+}
+
+#endif

Marlin/Marlin/Sanguino/cores/arduino/WConstants.h

+#include "wiring.h"

Marlin/Marlin/Sanguino/cores/arduino/WInterrupts.c

+/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Wiring project - http://wiring.uniandes.edu.co
+
+  Copyright (c) 2004-05 Hernando Barragan
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+  
+  Modified 24 November 2006 by David A. Mellis
+  Modified 1 August 2010 by Mark Sproul
+*/
+
+#include <inttypes.h>
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+#include <stdio.h>
+
+#include "WConstants.h"
+#include "wiring_private.h"
+
+volatile static voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS];
+// volatile static voidFuncPtr twiIntFunc;
+
+void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
+  if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {
+    intFunc[interruptNum] = userFunc;
+    
+    // Configure the interrupt mode (trigger on low input, any change, rising
+    // edge, or falling edge).  The mode constants were chosen to correspond
+    // to the configuration bits in the hardware register, so we simply shift
+    // the mode into place.
+      
+    // Enable the interrupt.
+      
+    switch (interruptNum) {
+#if defined(EICRA) && defined(EICRB) && defined(EIMSK)
+    case 2:
+      EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      EIMSK |= (1 << INT0);
+      break;
+    case 3:
+      EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      EIMSK |= (1 << INT1);
+      break;
+    case 4:
+      EICRA = (EICRA & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20);
+      EIMSK |= (1 << INT2);
+      break;
+    case 5:
+      EICRA = (EICRA & ~((1 << ISC30) | (1 << ISC31))) | (mode << ISC30);
+      EIMSK |= (1 << INT3);
+      break;
+    case 0:
+      EICRB = (EICRB & ~((1 << ISC40) | (1 << ISC41))) | (mode << ISC40);
+      EIMSK |= (1 << INT4);
+      break;
+    case 1:
+      EICRB = (EICRB & ~((1 << ISC50) | (1 << ISC51))) | (mode << ISC50);
+      EIMSK |= (1 << INT5);
+      break;
+    case 6:
+      EICRB = (EICRB & ~((1 << ISC60) | (1 << ISC61))) | (mode << ISC60);
+      EIMSK |= (1 << INT6);
+      break;
+    case 7:
+      EICRB = (EICRB & ~((1 << ISC70) | (1 << ISC71))) | (mode << ISC70);
+      EIMSK |= (1 << INT7);
+      break;
+#else
+    case 0:
+    #if defined(EICRA) && defined(ISC00) && defined(EIMSK)
+      EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      EIMSK |= (1 << INT0);
+    #elif defined(MCUCR) && defined(ISC00) && defined(GICR)
+      MCUCR = (MCUCR & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      GICR |= (1 << INT0);
+    #elif defined(MCUCR) && defined(ISC00) && defined(GIMSK)
+      MCUCR = (MCUCR & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      GIMSK |= (1 << INT0);
+    #else
+      #error attachInterrupt not finished for this CPU (case 0)
+    #endif
+      break;
+
+    case 1:
+    #if defined(EICRA) && defined(ISC10) && defined(ISC11) && defined(EIMSK)
+      EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      EIMSK |= (1 << INT1);
+    #elif defined(MCUCR) && defined(ISC10) && defined(ISC11) && defined(GICR)
+      MCUCR = (MCUCR & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      GICR |= (1 << INT1);
+    #elif defined(MCUCR) && defined(ISC10) && defined(GIMSK) && defined(GIMSK)
+      MCUCR = (MCUCR & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      GIMSK |= (1 << INT1);
+    #else
+      #warning attachInterrupt may need some more work for this cpu (case 1)
+    #endif
+      break;
+#endif
+    }
+  }
+}
+
+void detachInterrupt(uint8_t interruptNum) {
+  if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {
+    // Disable the interrupt.  (We can't assume that interruptNum is equal
+    // to the number of the EIMSK bit to clear, as this isn't true on the 
+    // ATmega8.  There, INT0 is 6 and INT1 is 7.)
+    switch (interruptNum) {
+#if defined(EICRA) && defined(EICRB) && defined(EIMSK)
+    case 2:
+      EIMSK &= ~(1 << INT0);
+      break;
+    case 3:
+      EIMSK &= ~(1 << INT1);
+      break;
+    case 4:
+      EIMSK &= ~(1 << INT2);
+      break;
+    case 5:
+      EIMSK &= ~(1 << INT3);
+      break;
+    case 0:
+      EIMSK &= ~(1 << INT4);
+      break;
+    case 1:
+      EIMSK &= ~(1 << INT5);
+      break;
+    case 6:
+      EIMSK &= ~(1 << INT6);
+      break;
+    case 7:
+      EIMSK &= ~(1 << INT7);
+      break;
+#else
+    case 0:
+    #if defined(EIMSK) && defined(INT0)
+      EIMSK &= ~(1 << INT0);
+    #elif defined(GICR) && defined(ISC00)
+      GICR &= ~(1 << INT0); // atmega32
+    #elif defined(GIMSK) && defined(INT0)
+      GIMSK &= ~(1 << INT0);
+    #else
+      #error detachInterrupt not finished for this cpu
+    #endif
+      break;
+
+    case 1:
+    #if defined(EIMSK) && defined(INT1)
+      EIMSK &= ~(1 << INT1);
+    #elif defined(GICR) && defined(INT1)
+      GICR &= ~(1 << INT1); // atmega32
+    #elif defined(GIMSK) && defined(INT1)
+      GIMSK &= ~(1 << INT1);
+    #else
+      #warning detachInterrupt may need some more work for this cpu (case 1)
+    #endif
+      break;
+#endif
+    }
+      
+    intFunc[interruptNum] = 0;
+  }
+}
+
+/*
+void attachInterruptTwi(void (*userFunc)(void) ) {
+  twiIntFunc = userFunc;
+}
+*/
+
+#if defined(EICRA) && defined(EICRB)
+
+SIGNAL(INT0_vect) {
+  if(intFunc[EXTERNAL_INT_2])
+    intFunc[EXTERNAL_INT_2]();
+}
+
+SIGNAL(INT1_vect) {
+  if(intFunc[EXTERNAL_INT_3])
+    intFunc[EXTERNAL_INT_3]();
+}
+
+SIGNAL(INT2_vect) {
+  if(intFunc[EXTERNAL_INT_4])
+    intFunc[EXTERNAL_INT_4]();
+}
+
+SIGNAL(INT3_vect) {
+  if(intFunc[EXTERNAL_INT_5])
+    intFunc[EXTERNAL_INT_5]();
+}
+
+SIGNAL(INT4_vect) {
+  if(intFunc[EXTERNAL_INT_0])
+    intFunc[EXTERNAL_INT_0]();
+}
+
+SIGNAL(INT5_vect) {
+  if(intFunc[EXTERNAL_INT_1])
+    intFunc[EXTERNAL_INT_1]();
+}
+
+SIGNAL(INT6_vect) {
+  if(intFunc[EXTERNAL_INT_6])
+    intFunc[EXTERNAL_INT_6]();
+}
+
+SIGNAL(INT7_vect) {
+  if(intFunc[EXTERNAL_INT_7])
+    intFunc[EXTERNAL_INT_7]();
+}
+
+#else
+
+SIGNAL(INT0_vect) {
+  if(intFunc[EXTERNAL_INT_0])
+    intFunc[EXTERNAL_INT_0]();
+}
+
+SIGNAL(INT1_vect) {
+  if(intFunc[EXTERNAL_INT_1])
+    intFunc[EXTERNAL_INT_1]();
+}
+
+#endif
+
+/*
+SIGNAL(SIG_2WIRE_SERIAL) {
+  if(twiIntFunc)
+    twiIntFunc();
+}
+*/
+

Marlin/Marlin/Sanguino/cores/arduino/WMath.cpp

+/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Wiring project - http://wiring.org.co
+  Copyright (c) 2004-06 Hernando Barragan
+  Modified 13 August 2006, David A. Mellis for Arduino - http://www.arduino.cc/
+  
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+  
+  $Id$
+*/
+
+extern "C" {
+  #include "stdlib.h"
+}
+
+void randomSeed(unsigned int seed)
+{
+  if (seed != 0) {
+    srandom(seed);
+  }
+}
+
+long random(long howbig)
+{
+  if (howbig == 0) {
+    return 0;
+  }
+  return random() % howbig;
+}
+
+long random(long howsmall, long howbig)
+{
+  if (howsmall >= howbig) {
+    return howsmall;
+  }
+  long diff = howbig - howsmall;
+  return random(diff) + howsmall;
+}
+
+long map(long x, long in_min, long in_max, long out_min, long out_max)
+{
+  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+
+unsigned int makeWord(unsigned int w) { return w; }
+unsigned int makeWord(unsigned char h, unsigned char l) { return (h << 8) | l; }

Marlin/Marlin/Sanguino/cores/arduino/WProgram.h

+#ifndef WProgram_h
+#define WProgram_h
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include <avr/interrupt.h>
+
+#include "wiring.h"
+
+#ifdef __cplusplus
+#include "WCharacter.h"
+#include "WString.h"
+#include "HardwareSerial.h"
+
+uint16_t makeWord(uint16_t w);
+uint16_t makeWord(byte h, byte l);
+
+#define word(...) makeWord(__VA_ARGS__)
+
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);
+
+void tone(uint8_t _pin, unsigned int frequency, unsigned long duration = 0);
+void noTone(uint8_t _pin);
+
+// WMath prototypes
+long random(long);
+long random(long, long);
+void randomSeed(unsigned int);
+long map(long, long, long, long, long);
+
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+const static uint8_t A0 = 54;
+const static uint8_t A1 = 55;
+const static uint8_t A2 = 56;
+const static uint8_t A3 = 57;
+const static uint8_t A4 = 58;
+const static uint8_t A5 = 59;
+const static uint8_t A6 = 60;
+const static uint8_t A7 = 61;
+const static uint8_t A8 = 62;
+const static uint8_t A9 = 63;
+const static uint8_t A10 = 64;
+const static uint8_t A11 = 65;
+const static uint8_t A12 = 66;
+const static uint8_t A13 = 67;
+const static uint8_t A14 = 68;
+const static uint8_t A15 = 69;
+#else
+const static uint8_t A0 = 14;
+const static uint8_t A1 = 15;
+const static uint8_t A2 = 16;
+const static uint8_t A3 = 17;
+const static uint8_t A4 = 18;
+const static uint8_t A5 = 19;
+const static uint8_t A6 = 20;
+const static uint8_t A7 = 21;
+#endif
+
+#endif
+
+#endif

Marlin/Marlin/Sanguino/cores/arduino/WString.cpp

+/*
+  WString.cpp - String library for Wiring & Arduino
+  Copyright (c) 2009-10 Hernando Barragan.  All rights reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <stdlib.h>
+#include "WProgram.h"
+#include "WString.h"
+
+
+String::String( const char *value )
+{
+  if ( value == NULL )
+    value = "";
+  getBuffer( _length = strlen( value ) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, value );
+}
+
+String::String( const String &value )
+{
+  getBuffer( _length = value._length );
+  if ( _buffer != NULL )
+    strcpy( _buffer, value._buffer );
+}
+
+String::String( const char value )
+{
+  _length = 1;
+  getBuffer(1);
+  if ( _buffer != NULL ) {
+    _buffer[0] = value;
+    _buffer[1] = 0;
+  }
+}
+
+String::String( const unsigned char value )
+{
+  _length = 1;
+  getBuffer(1);
+  if ( _buffer != NULL) {
+    _buffer[0] = value;
+    _buffer[1] = 0;
+  }
+}
+
+String::String( const int value, const int base )
+{
+  char buf[33];   
+  itoa((signed long)value, buf, base);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+String::String( const unsigned int value, const int base )
+{
+  char buf[33];   
+  ultoa((unsigned long)value, buf, base);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+String::String( const long value, const int base )
+{
+  char buf[33];   
+  ltoa(value, buf, base);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+String::String( const unsigned long value, const int base )
+{
+  char buf[33];   
+  ultoa(value, buf, 10);
+  getBuffer( _length = strlen(buf) );
+  if ( _buffer != NULL )
+    strcpy( _buffer, buf );
+}
+
+char String::charAt( unsigned int loc ) const
+{
+  return operator[]( loc );
+}
+
+void String::setCharAt( unsigned int loc, const char aChar ) 
+{
+  if(_buffer == NULL) return;
+  if(_length > loc) {
+    _buffer[loc] = aChar;
+  }
+}
+
+int String::compareTo( const String &s2 ) const
+{
+  return strcmp( _buffer, s2._buffer );
+}
+
+const String & String::concat( const String &s2 )
+{
+  return (*this) += s2;
+}
+
+const String & String::operator=( const String &rhs )
+{
+  if ( this == &rhs )
+    return *this;
+
+  if ( rhs._length > _length )
+  {
+    free(_buffer);
+    getBuffer( rhs._length );
+  }
+  
+  if ( _buffer != NULL ) {
+    _length = rhs._length;
+    strcpy( _buffer, rhs._buffer );
+  }
+  return *this;
+}
+
+//const String & String::operator+=( const char aChar )
+//{
+//  if ( _length == _capacity )
+//    doubleBuffer();
+//
+//  _buffer[ _length++ ] = aChar;
+//  _buffer[ _length ] = '\0';
+//  return *this;
+//}
+
+const String & String::operator+=( const String &other )
+{
+  _length += other._length;
+  if ( _length > _capacity )
+  {
+    char *temp = (char *)realloc(_buffer, _length + 1);
+    if ( temp != NULL ) {
+      _buffer = temp;
+      _capacity = _length;
+    } else {
+      _length -= other._length;
+      return *this;
+    }
+  }
+  strcat( _buffer, other._buffer );
+  return *this;
+}
+
+
+int String::operator==( const String &rhs ) const
+{
+  return ( _length == rhs._length && strcmp( _buffer, rhs._buffer ) == 0 );
+}
+
+int String::operator!=( const String &rhs ) const
+{
+  return ( _length != rhs.length() || strcmp( _buffer, rhs._buffer ) != 0 );
+}
+
+int String::operator<( const String &rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) < 0;
+}
+
+int String::operator>( const String &rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) > 0;
+}
+
+int String::operator<=( const String &rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) <= 0;
+}
+
+int String::operator>=( const String & rhs ) const
+{
+  return strcmp( _buffer, rhs._buffer ) >= 0;
+}
+
+char & String::operator[]( unsigned int index )
+{
+  static char dummy_writable_char;
+  if (index >= _length || !_buffer) {
+    dummy_writable_char = 0;
+    return dummy_writable_char;
+  }
+  return _buffer[ index ];
+}
+
+char String::operator[]( unsigned int index ) const
+{
+  // need to check for valid index, to do later
+  return _buffer[ index ];
+}
+
+boolean String::endsWith( const String &s2 ) const
+{
+  if ( _length < s2._length )
+    return 0;
+
+  return strcmp( &_buffer[ _length - s2._length], s2._buffer ) == 0;
+}
+
+boolean String::equals( const String &s2 ) const
+{
+  return ( _length == s2._length && strcmp( _buffer,s2._buffer ) == 0 );
+}
+
+boolean String::equalsIgnoreCase( const String &s2 ) const
+{
+  if ( this == &s2 )
+    return true; //1;
+  else if ( _length != s2._length )
+    return false; //0;
+
+  return strcmp(toLowerCase()._buffer, s2.toLowerCase()._buffer) == 0;
+}
+
+String String::replace( char findChar, char replaceChar )
+{
+  if ( _buffer == NULL ) return *this;
+  String theReturn = _buffer;
+  char* temp = theReturn._buffer;
+  while( (temp = strchr( temp, findChar )) != 0 )
+    *temp = replaceChar;
+
+  return theReturn;
+}
+
+String String::replace( const String& match, const String& replace )
+{
+  if ( _buffer == NULL ) return *this;
+  String temp = _buffer, newString;
+
+  int loc;
+  while ( (loc = temp.indexOf( match )) != -1 )
+  {
+    newString += temp.substring( 0, loc );
+    newString += replace;
+    temp = temp.substring( loc + match._length );
+  }
+  newString += temp;  
+  return newString;
+}
+
+int String::indexOf( char temp ) const
+{
+  return indexOf( temp, 0 );
+}
+
+int String::indexOf( char ch, unsigned int fromIndex ) const
+{
+  if ( fromIndex >= _length )
+    return -1;
+
+  const char* temp = strchr( &_buffer[fromIndex], ch );
+  if ( temp == NULL )
+    return -1;
+
+  return temp - _buffer;
+}
+
+int String::indexOf( const String &s2 ) const
+{
+  return indexOf( s2, 0 );
+}
+
+int String::indexOf( const String &s2, unsigned int fromIndex ) const
+{
+  if ( fromIndex >= _length )
+    return -1;
+
+  const char *theFind = strstr( &_buffer[ fromIndex ], s2._buffer );
+
+  if ( theFind == NULL )
+    return -1;
+
+  return theFind - _buffer; // pointer subtraction
+}
+
+int String::lastIndexOf( char theChar ) const
+{
+  return lastIndexOf( theChar, _length - 1 );
+}
+
+int String::lastIndexOf( char ch, unsigned int fromIndex ) const
+{
+  if ( fromIndex >= _length )
+    return -1;
+
+  char tempchar = _buffer[fromIndex + 1];
+  _buffer[fromIndex + 1] = '\0';
+  char* temp = strrchr( _buffer, ch );
+  _buffer[fromIndex + 1] = tempchar;
+
+  if ( temp == NULL )
+    return -1;
+
+  return temp - _buffer;
+}
+
+int String::lastIndexOf( const String &s2 ) const
+{
+  return lastIndexOf( s2, _length - s2._length );
+}
+
+int String::lastIndexOf( const String &s2, unsigned int fromIndex ) const
+{
+  // check for empty strings
+  if ( s2._length == 0 || s2._length - 1 > fromIndex || fromIndex >= _length )
+    return -1;
+
+  // matching first character
+  char temp = s2[ 0 ];
+
+  for ( int i = fromIndex; i >= 0; i-- )
+  {
+    if ( _buffer[ i ] == temp && (*this).substring( i, i + s2._length ).equals( s2 ) )
+    return i;
+  }
+  return -1;
+}
+
+boolean String::startsWith( const String &s2 ) const
+{
+  if ( _length < s2._length )
+    return 0;
+
+  return startsWith( s2, 0 );
+}
+
+boolean String::startsWith( const String &s2, unsigned int offset ) const
+{
+  if ( offset > _length - s2._length )
+    return 0;
+
+  return strncmp( &_buffer[offset], s2._buffer, s2._length ) == 0;
+}
+
+String String::substring( unsigned int left ) const
+{
+  return substring( left, _length );
+}
+
+String String::substring( unsigned int left, unsigned int right ) const
+{
+  if ( left > right )
+  {
+    int temp = right;
+    right = left;
+    left = temp;
+  }
+
+  if ( right > _length )
+  {
+    right = _length;
+  } 
+
+  char temp = _buffer[ right ];  // save the replaced character
+  _buffer[ right ] = '\0';	
+  String outPut = ( _buffer + left );  // pointer arithmetic
+  _buffer[ right ] = temp;  //restore character
+  return outPut;
+}
+
+String String::toLowerCase() const
+{
+  String temp = _buffer;
+
+  for ( unsigned int i = 0; i < _length; i++ )
+    temp._buffer[ i ] = (char)tolower( temp._buffer[ i ] );
+  return temp;
+}
+
+String String::toUpperCase() const
+{
+  String temp = _buffer;
+
+  for ( unsigned int i = 0; i < _length; i++ )
+    temp._buffer[ i ] = (char)toupper( temp._buffer[ i ] );
+  return temp;
+}
+
+String String::trim() const
+{
+  if ( _buffer == NULL ) return *this;
+  String temp = _buffer;
+  unsigned int i,j;
+
+  for ( i = 0; i < _length; i++ )
+  {
+    if ( !isspace(_buffer[i]) )
+      break;
+  }
+
+  for ( j = temp._length - 1; j > i; j-- )
+  {
+    if ( !isspace(_buffer[j]) )
+      break;
+  }
+
+  return temp.substring( i, j + 1);
+}
+
+void String::getBytes(unsigned char *buf, unsigned int bufsize)
+{
+  if (!bufsize || !buf) return;
+  unsigned int len = bufsize - 1;
+  if (len > _length) len = _length;
+  strncpy((char *)buf, _buffer, len);
+  buf[len] = 0;
+}
+
+void String::toCharArray(char *buf, unsigned int bufsize)
+{
+  if (!bufsize || !buf) return;
+  unsigned int len = bufsize - 1;
+  if (len > _length) len = _length;
+  strncpy(buf, _buffer, len);
+  buf[len] = 0;
+}
+
+
+long String::toInt() {
+  return atol(_buffer);
+}

Marlin/Marlin/Sanguino/cores/arduino/WString.h

+/*
+  WString.h - String library for Wiring & Arduino
+  Copyright (c) 2009-10 Hernando Barragan.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef String_h
+#define String_h
+
+//#include "WProgram.h"
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+class String
+{
+  public:
+    // constructors
+    String( const char *value = "" );
+    String( const String &value );
+    String( const char );
+    String( const unsigned char );
+    String( const int, const int base=10);
+    String( const unsigned int, const int base=10 );
+    String( const long, const int base=10 );
+    String( const unsigned long, const int base=10 );
+    ~String() { free(_buffer); _length = _capacity = 0;}     //added _length = _capacity = 0;
+
+    // operators
+    const String & operator = ( const String &rhs );
+    const String & operator +=( const String &rhs );
+    //const String & operator +=( const char );
+    int operator ==( const String &rhs ) const;
+    int	operator !=( const String &rhs ) const;
+    int	operator < ( const String &rhs ) const;
+    int	operator > ( const String &rhs ) const;
+    int	operator <=( const String &rhs ) const;
+    int	operator >=( const String &rhs ) const;
+    char operator []( unsigned int index ) const;
+    char& operator []( unsigned int index );
+    //operator const char *() const { return _buffer; }
+    
+    // general methods
+    char charAt( unsigned int index ) const;
+    int	compareTo( const String &anotherString ) const;
+    unsigned char endsWith( const String &suffix ) const;
+    unsigned char equals( const String &anObject ) const;
+    unsigned char equalsIgnoreCase( const String &anotherString ) const;
+    int	indexOf( char ch ) const;
+    int	indexOf( char ch, unsigned int fromIndex ) const;
+    int	indexOf( const String &str ) const;
+    int	indexOf( const String &str, unsigned int fromIndex ) const;
+    int	lastIndexOf( char ch ) const;
+    int	lastIndexOf( char ch, unsigned int fromIndex ) const;
+    int	lastIndexOf( const String &str ) const;
+    int	lastIndexOf( const String &str, unsigned int fromIndex ) const;
+    const unsigned int length( ) const { return _length; }
+    void setCharAt(unsigned int index, const char ch);
+    unsigned char startsWith( const String &prefix ) const;
+    unsigned char startsWith( const String &prefix, unsigned int toffset ) const;
+    String substring( unsigned int beginIndex ) const;
+    String substring( unsigned int beginIndex, unsigned int endIndex ) const;
+    String toLowerCase( ) const;
+    String toUpperCase( ) const;
+    String trim( ) const;
+    void getBytes(unsigned char *buf, unsigned int bufsize);
+    void toCharArray(char *buf, unsigned int bufsize);
+    long toInt( );
+    const String& concat( const String &str );
+    String replace( char oldChar, char newChar );
+    String replace( const String& match, const String& replace );
+    friend String operator + ( String lhs, const String &rhs );
+
+  protected:
+    char *_buffer;	     // the actual char array
+    unsigned int _capacity;  // the array length minus one (for the '\0')
+    unsigned int _length;    // the String length (not counting the '\0')
+
+    void getBuffer(unsigned int maxStrLen);
+
+  private:
+
+};
+
+// allocate buffer space
+inline void String::getBuffer(unsigned int maxStrLen)
+{
+  _capacity = maxStrLen;
+  _buffer = (char *) malloc(_capacity + 1);
+  if (_buffer == NULL) _length = _capacity = 0;
+}
+
+inline String operator+( String lhs, const String &rhs )
+{
+  return lhs += rhs;
+}
+
+
+#endif

Marlin/Marlin/Sanguino/cores/arduino/binary.h

+#ifndef Binary_h
+#define Binary_h
+
+#define B0 0
+#define B00 0
+#define B000 0
+#define B0000 0
+#define B00000 0
+#define B000000 0
+#define B0000000 0
+#define B00000000 0
+#define B1 1
+#define B01 1
+#define B001 1
+#define B0001 1
+#define B00001 1
+#define B000001 1
+#define B0000001 1
+#define B00000001 1
+#define B10 2
+#define B010 2
+#define B0010 2
+#define B00010 2
+#define B000010 2
+#define B0000010 2
+#define B00000010 2
+#define B11 3
+#define B011 3
+#define B0011 3
+#define B00011 3
+#define B000011 3
+#define B0000011 3
+#define B00000011 3
+#define B100 4
+#define B0100 4
+#define B00100 4
+#define B000100 4
+#define B0000100 4
+#define B00000100 4
+#define B101 5
+#define B0101 5
+#define B00101 5
+#define B000101 5
+#define B0000101 5
+#define B00000101 5
+#define B110 6
+#define B0110 6
+#define B00110 6
+#define B000110 6
+#define B0000110 6
+#define B00000110 6
+#define B111 7
+#define B0111 7
+#define B00111 7
+#define B000111 7
+#define B0000111 7
+#define B00000111 7
+#define B1000 8
+#define B01000 8
+#define B001000 8
+#define B0001000 8
+#define B00001000 8
+#define B1001 9
+#define B01001 9
+#define B001001 9
+#define B0001001 9
+#define B00001001 9
+#define B1010 10
+#define B01010 10
+#define B001010 10
+#define B0001010 10
+#define B00001010 10
+#define B1011 11
+#define B01011 11
+#define B001011 11
+#define B0001011 11
+#define B00001011 11
+#define B1100 12
+#define B01100 12
+#define B001100 12
+#define B0001100 12
+#define B00001100 12
+#define B1101 13
+#define B01101 13
+#define B001101 13
+#define B0001101 13
+#define B00001101 13
+#define B1110 14
+#define B01110 14
+#define B001110 14
+#define B0001110 14
+#define B00001110 14
+#define B1111 15
+#define B01111 15
+#define B001111 15
+#define B0001111 15
+#define B00001111 15
+#define B10000 16
+#define B010000 16
+#define B0010000 16
+#define B00010000 16
+#define B10001 17
+#define B010001 17
+#define B0010001 17
+#define B00010001 17
+#define B10010 18
+#define B010010 18
+#define B0010010 18
+#define B00010010 18
+#define B10011 19
+#define B010011 19
+#define B0010011 19
+#define B00010011 19
+#define B10100 20
+#define B010100 20
+#define B0010100 20
+#define B00010100 20
+#define B10101 21
+#define B010101 21
+#define B0010101 21
+#define B00010101 21
+#define B10110 22
+#define B010110 22
+#define B0010110 22
+#define B00010110 22
+#define B10111 23
+#define B010111 23
+#define B0010111 23
+#define B00010111 23
+#define B11000 24
+#define B011000 24
+#define B0011000 24
+#define B00011000 24
+#define B11001 25
+#define B011001 25
+#define B0011001 25
+#define B00011001 25
+#define B11010 26
+#define B011010 26
+#define B0011010 26
+#define B00011010 26
+#define B11011 27
+#define B011011 27
+#define B0011011 27
+#define B00011011 27
+#define B11100 28
+#define B011100 28
+#define B0011100 28
+#define B00011100 28
+#define B11101 29
+#define B011101 29
+#define B0011101 29
+#define B00011101 29
+#define B11110 30
+#define B011110 30
+#define B0011110 30
+#define B00011110 30
+#define B11111 31
+#define B011111 31
+#define B0011111 31
+#define B00011111 31
+#define B100000 32
+#define B0100000 32
+#define B00100000 32
+#define B100001 33
+#define B0100001 33
+#define B00100001 33
+#define B100010 34
+#define B0100010 34
+#define B00100010 34
+#define B100011 35
+#define B0100011 35
+#define B00100011 35
+#define B100100 36
+#define B0100100 36
+#define B00100100 36
+#define B100101 37
+#define B0100101 37
+#define B00100101 37
+#define B100110 38
+#define B0100110 38
+#define B00100110 38
+#define B100111 39
+#define B0100111 39
+#define B00100111 39
+#define B101000 40
+#define B0101000 40
+#define B00101000 40
+#define B101001 41
+#define B0101001 41
+#define B00101001 41
+#define B101010 42
+#define B0101010 42
+#define B00101010 42
+#define B101011 43
+#define B0101011 43
+#define B00101011 43
+#define B101100 44
+#define B0101100 44
+#define B00101100 44
+#define B101101 45
+#define B0101101 45
+#define B00101101 45
+#define B101110 46
+#define B0101110 46
+#define B00101110 46
+#define B101111 47
+#define B0101111 47
+#define B00101111 47
+#define B110000 48
+#define B0110000 48
+#define B00110000 48
+#define B110001 49
+#define B0110001 49
+#define B00110001 49
+#define B110010 50
+#define B0110010 50
+#define B00110010 50
+#define B110011 51
+#define B0110011 51
+#define B00110011 51
+#define B110100 52
+#define B0110100 52
+#define B00110100 52
+#define B110101 53
+#define B0110101 53
+#define B00110101 53
+#define B110110 54
+#define B0110110 54
+#define B00110110 54
+#define B110111 55
+#define B0110111 55
+#define B00110111 55
+#define B111000 56
+#define B0111000 56
+#define B00111000 56
+#define B111001 57
+#define B0111001 57
+#define B00111001 57
+#define B111010 58
+#define B0111010 58
+#define B00111010 58
+#define B111011 59
+#define B0111011 59
+#define B00111011 59
+#define B111100 60
+#define B0111100 60
+#define B00111100 60
+#define B111101 61
+#define B0111101 61
+#define B00111101 61
+#define B111110 62
+#define B0111110 62
+#define B00111110 62
+#define B111111 63
+#define B0111111 63
+#define B00111111 63
+#define B1000000 64
+#define B01000000 64
+#define B1000001 65
+#define B01000001 65
+#define B1000010 66
+#define B01000010 66
+#define B1000011 67
+#define B01000011 67
+#define B1000100 68
+#define B01000100 68
+#define B1000101 69
+#define B01000101 69
+#define B1000110 70
+#define B01000110 70
+#define B1000111 71
+#define B01000111 71
+#define B1001000 72
+#define B01001000 72
+#define B1001001 73
+#define B01001001 73
+#define B1001010 74
+#define B01001010 74
+#define B1001011 75
+#define B01001011 75
+#define B1001100 76
+#define B01001100 76
+#define B1001101 77
+#define B01001101 77
+#define B1001110 78
+#define B01001110 78
+#define B1001111 79
+#define B01001111 79
+#define B1010000 80
+#define B01010000 80
+#define B1010001 81
+#define B01010001 81
+#define B1010010 82
+#define B01010010 82
+#define B1010011 83
+#define B01010011 83
+#define B1010100 84
+#define B01010100 84
+#define B1010101 85
+#define B01010101 85
+#define B1010110 86
+#define B01010110 86
+#define B1010111 87
+#define B01010111 87
+#define B1011000 88
+#define B01011000 88
+#define B1011001 89
+#define B01011001 89
+#define B1011010 90
+#define B01011010 90
+#define B1011011 91
+#define B01011011 91
+#define B1011100 92
+#define B01011100 92
+#define B1011101 93
+#define B01011101 93
+#define B1011110 94
+#define B01011110 94
+#define B1011111 95
+#define B01011111 95
+#define B1100000 96
+#define B01100000 96
+#define B1100001 97
+#define B01100001 97
+#define B1100010 98
+#define B01100010 98
+#define B1100011 99
+#define B01100011 99
+#define B1100100 100
+#define B01100100 100
+#define B1100101 101
+#define B01100101 101
+#define B1100110 102
+#define B01100110 102
+#define B1100111 103
+#define B01100111 103
+#define B1101000 104
+#define B01101000 104
+#define B1101001 105
+#define B01101001 105
+#define B1101010 106
+#define B01101010 106
+#define B1101011 107
+#define B01101011 107
+#define B1101100 108
+#define B01101100 108
+#define B1101101 109
+#define B01101101 109
+#define B1101110 110
+#define B01101110 110
+#define B1101111 111
+#define B01101111 111
+#define B1110000 112
+#define B01110000 112
+#define B1110001 113
+#define B01110001 113
+#define B1110010 114
+#define B01110010 114
+#define B1110011 115
+#define B01110011 115
+#define B1110100 116
+#define B01110100 116
+#define B1110101 117
+#define B01110101 117
+#define B1110110 118
+#define B01110110 118
+#define B1110111 119
+#define B01110111 119
+#define B1111000 120
+#define B01111000 120
+#define B1111001 121
+#define B01111001 121
+#define B1111010 122
+#define B01111010 122
+#define B1111011 123
+#define B01111011 123
+#define B1111100 124
+#define B01111100 124
+#define B1111101 125
+#define B01111101 125
+#define B1111110 126
+#define B01111110 126
+#define B1111111 127
+#define B01111111 127
+#define B10000000 128
+#define B10000001 129
+#define B10000010 130
+#define B10000011 131
+#define B10000100 132
+#define B10000101 133
+#define B10000110 134
+#define B10000111 135
+#define B10001000 136
+#define B10001001 137
+#define B10001010 138
+#define B10001011 139
+#define B10001100 140
+#define B10001101 141
+#define B10001110 142
+#define B10001111 143
+#define B10010000 144
+#define B10010001 145
+#define B10010010 146
+#define B10010011 147
+#define B10010100 148
+#define B10010101 149
+#define B10010110 150
+#define B10010111 151
+#define B10011000 152
+#define B10011001 153
+#define B10011010 154
+#define B10011011 155
+#define B10011100 156
+#define B10011101 157
+#define B10011110 158
+#define B10011111 159
+#define B10100000 160
+#define B10100001 161
+#define B10100010 162
+#define B10100011 163
+#define B10100100 164
+#define B10100101 165
+#define B10100110 166
+#define B10100111 167
+#define B10101000 168
+#define B10101001 169
+#define B10101010 170
+#define B10101011 171
+#define B10101100 172
+#define B10101101 173
+#define B10101110 174
+#define B10101111 175
+#define B10110000 176
+#define B10110001 177
+#define B10110010 178
+#define B10110011 179
+#define B10110100 180
+#define B10110101 181
+#define B10110110 182
+#define B10110111 183
+#define B10111000 184
+#define B10111001 185
+#define B10111010 186
+#define B10111011 187
+#define B10111100 188
+#define B10111101 189
+#define B10111110 190
+#define B10111111 191
+#define B11000000 192
+#define B11000001 193
+#define B11000010 194
+#define B11000011 195
+#define B11000100 196
+#define B11000101 197
+#define B11000110 198
+#define B11000111 199
+#define B11001000 200
+#define B11001001 201
+#define B11001010 202
+#define B11001011 203
+#define B11001100 204
+#define B11001101 205
+#define B11001110 206
+#define B11001111 207
+#define B11010000 208
+#define B11010001 209
+#define B11010010 210
+#define B11010011 211
+#define B11010100 212
+#define B11010101 213
+#define B11010110 214
+#define B11010111 215
+#define B11011000 216
+#define B11011001 217
+#define B11011010 218
+#define B11011011 219
+#define B11011100 220
+#define B11011101 221
+#define B11011110 222
+#define B11011111 223
+#define B11100000 224
+#define B11100001 225
+#define B11100010 226
+#define B11100011 227
+#define B11100100 228
+#define B11100101 229
+#define B11100110 230
+#define B11100111 231
+#define B11101000 232
+#define B11101001 233
+#define B11101010 234
+#define B11101011 235
+#define B11101100 236
+#define B11101101 237
+#define B11101110 238
+#define B11101111 239
+#define B11110000 240
+#define B11110001 241
+#define B11110010 242
+#define B11110011 243
+#define B11110100 244
+#define B11110101 245
+#define B11110110 246
+#define B11110111 247
+#define B11111000 248
+#define B11111001 249
+#define B11111010 250
+#define B11111011 251
+#define B11111100 252
+#define B11111101 253
+#define B11111110 254
+#define B11111111 255
+
+#endif