Merge pull request #407 from buildrob101/Marlin_v1

Combine and converge other I2C LCD branches (PANELOLU2, VIKI & PCF8575)

Marlin/Configuration.h

 #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_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.
 
 // please keep turned on if you can.
 //#define EEPROM_CHITCHAT
 
+// 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
+
 //LCD and SD support
 //#define ULTRA_LCD  //general lcd support, also 16x2
-//#define DOGLCD	// Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
+//#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
 //#define SDSUPPORT // Enable SD Card Support in Hardware Console
 //#define SDSLOW // Use slower SD transfer mode (not normally needed - uncomment if you're getting volume init error)
 
   #define ULTIPANEL
 #endif
 
-// 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
+//I2C PANELS
 
-#define ABS_PREHEAT_HOTEND_TEMP 240
-#define ABS_PREHEAT_HPB_TEMP 100
-#define ABS_PREHEAT_FAN_SPEED 255		// Insert Value between 0 and 255
+//#define LCD_I2C_SAINSMART_YWROBOT
+#ifdef LCD_I2C_SAINSMART_YWROBOT
+  // This uses the LiquidCrystal_I2C library ( https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home )
+  // Make sure it is placed in the Arduino libraries directory.
+  #define LCD_I2C_TYPE_PCF8575
+  #define LCD_I2C_ADDRESS 0x27   // I2C Address of the port expander
+  #define NEWPANEL
+  #define ULTIPANEL 
+#endif
 
+// PANELOLU2 LCD with status LEDs, separate encoder and click inputs
+//#define LCD_I2C_PANELOLU2
+#ifdef LCD_I2C_PANELOLU2
+  // This uses the LiquidTWI2 library v1.2.3 or later ( https://github.com/lincomatic/LiquidTWI2 )
+  // Make sure the LiquidTWI2 directory is placed in the Arduino or Sketchbook libraries subdirectory.
+  // (v1.2.3 no longer requires you to define PANELOLU in the LiquidTWI2.h library header file)
+  // Note: The PANELOLU2 encoder click input can either be directly connected to a pin 
+  //       (if BTN_ENC defined to != -1) or read through I2C (when BTN_ENC == -1). 
+  #define LCD_I2C_TYPE_MCP23017
+  #define LCD_I2C_ADDRESS 0x20 // I2C Address of the port expander
+  #define LCD_USE_I2C_BUZZER //comment out to disable buzzer on LCD
+  #define NEWPANEL
+  #define ULTIPANEL 
+#endif
+
+// Panucatt VIKI LCD with status LEDs, integrated click & L/R/U/P buttons, separate encoder inputs
+//#define LCD_I2C_VIKI
+#ifdef LCD_I2C_VIKI
+  // This uses the LiquidTWI2 library v1.2.3 or later ( https://github.com/lincomatic/LiquidTWI2 )
+  // Make sure the LiquidTWI2 directory is placed in the Arduino or Sketchbook libraries subdirectory.
+  // Note: The pause/stop/resume LCD button pin should be connected to the Arduino
+  //       BTN_ENC pin (or set BTN_ENC to -1 if not used)
+  #define LCD_I2C_TYPE_MCP23017 
+  #define LCD_I2C_ADDRESS 0x20 // I2C Address of the port expander
+  #define LCD_USE_I2C_BUZZER //comment out to disable buzzer on LCD (requires LiquidTWI2 v1.2.3 or later)
+  #define NEWPANEL
+  #define ULTIPANEL 
+#endif
 
 #ifdef ULTIPANEL
 //  #define NEWPANEL  //enable this if you have a click-encoder panel
   #define SDSUPPORT
   #define ULTRA_LCD
-	#ifdef DOGLCD	// Change number of lines to match the DOG graphic display
-		#define LCD_WIDTH 20
-		#define LCD_HEIGHT 5
-	#else
-		#define LCD_WIDTH 20
-		#define LCD_HEIGHT 4
-	#endif
+  #ifdef DOGLCD // Change number of lines to match the DOG graphic display
+    #define LCD_WIDTH 20
+    #define LCD_HEIGHT 5
+  #else
+    #define LCD_WIDTH 20
+    #define LCD_HEIGHT 4
+  #endif
 #else //no panel but just lcd
   #ifdef ULTRA_LCD
-	#ifdef DOGLCD	// Change number of lines to match the 128x64 graphics display
-		#define LCD_WIDTH 20
-		#define LCD_HEIGHT 5
-	#else
-		#define LCD_WIDTH 16
-		#define LCD_HEIGHT 2
-	#endif
+  #ifdef DOGLCD // Change number of lines to match the 128x64 graphics display
+    #define LCD_WIDTH 20
+    #define LCD_HEIGHT 5
+  #else
+    #define LCD_WIDTH 16
+    #define LCD_HEIGHT 2
+  #endif
   #endif
 #endif
 

Marlin/Marlin.pde

 #include "pins.h"
 
 #ifdef ULTRA_LCD
-	#ifdef DOGLCD
-		#include <U8glib.h> // library for graphics LCD by Oli Kraus (https://code.google.com/p/u8glib/)
-	#else
-		#include <LiquidCrystal.h> // library for character LCD
-	#endif
+  #if defined(LCD_I2C_TYPE_PCF8575)
+    #include <Wire.h>
+    #include <LiquidCrystal_I2C.h>
+  #elif defined(LCD_I2C_TYPE_MCP23017) || defined(LCD_I2C_TYPE_MCP23008)
+    #include <Wire.h>
+    #include <LiquidTWI2.h>
+  #elif defined(DOGLCD)
+    #include <U8glib.h> // library for graphics LCD by Oli Kraus (https://code.google.com/p/u8glib/)
+  #else
+    #include <LiquidCrystal.h> // library for character LCD
+  #endif
 #endif
 
 #if DIGIPOTSS_PIN > -1

Marlin/Marlin_main.cpp

 #include "language.h"
 #include "pins_arduino.h"
 
-#if (defined NUM_SERVOS) && (NUM_SERVOS > 0)
+#if NUM_SERVOS > 0
 #include "Servo.h"
 #endif
 
-#if DIGIPOTSS_PIN > -1
+#if DIGIPOTSS_PIN > 0
 #include <SPI.h>
 #endif
 
 // M85  - Set inactivity shutdown timer with parameter S<seconds>. To disable set zero (default)
 // M92  - Set axis_steps_per_unit - same syntax as G92
 // M114 - Output current position to serial port
-// M115	- Capabilities string
+// M115 - Capabilities string
 // M117 - display message
 // M119 - Output Endstop status to serial port
 // M126 - Solenoid Air Valve Open (BariCUDA support by jmil)
 
 bool Stopped=false;
 
-#if (defined NUM_SERVOS) && (NUM_SERVOS > 0)
+#if NUM_SERVOS > 0
   Servo servos[NUM_SERVOS];
 #endif
 
 void setup_photpin()
 {
   #ifdef PHOTOGRAPH_PIN
-    #if (PHOTOGRAPH_PIN > -1)
+    #if (PHOTOGRAPH_PIN > 0)
     SET_OUTPUT(PHOTOGRAPH_PIN);
     WRITE(PHOTOGRAPH_PIN, LOW);
     #endif
       WRITE(SUICIDE_PIN, HIGH);
    #endif
  #endif
- #if (PS_ON_PIN > -1)
+ #if (PS_ON_PIN > 0)
    SET_OUTPUT(PS_ON_PIN);
    WRITE(PS_ON_PIN, PS_ON_AWAKE);
  #endif
 void suicide()
 {
  #ifdef SUICIDE_PIN
-    #if (SUICIDE_PIN> -1)
+    #if (SUICIDE_PIN > 0)
       SET_OUTPUT(SUICIDE_PIN);
       WRITE(SUICIDE_PIN, LOW);
     #endif
 
 void servo_init()
 {
-  #if (NUM_SERVOS >= 1) && defined (SERVO0_PIN) && (SERVO0_PIN > -1)
+  #if (NUM_SERVOS >= 1) && (SERVO0_PIN > 0)
     servos[0].attach(SERVO0_PIN);
   #endif
-  #if (NUM_SERVOS >= 2) && defined (SERVO1_PIN) && (SERVO1_PIN > -1)
+  #if (NUM_SERVOS >= 2) && (SERVO1_PIN > 0)
     servos[1].attach(SERVO1_PIN);
   #endif
-  #if (NUM_SERVOS >= 3) && defined (SERVO2_PIN) && (SERVO2_PIN > -1)
+  #if (NUM_SERVOS >= 3) && (SERVO2_PIN > 0)
     servos[2].attach(SERVO2_PIN);
   #endif
-  #if (NUM_SERVOS >= 4) && defined (SERVO3_PIN) && (SERVO3_PIN > -1)
+  #if (NUM_SERVOS >= 4) && (SERVO3_PIN > 0)
     servos[3].attach(SERVO3_PIN);
   #endif
   #if (NUM_SERVOS >= 5)
     #ifdef SDSUPPORT
       if(card.saving)
       {
-	if(strstr_P(cmdbuffer[bufindr], PSTR("M29")) == NULL)
-	{
-	  card.write_command(cmdbuffer[bufindr]);
+        if(strstr_P(cmdbuffer[bufindr], PSTR("M29")) == NULL)
+        {
+          card.write_command(cmdbuffer[bufindr]);
           if(card.logging)
           {
             process_commands();
           {
             SERIAL_PROTOCOLLNPGM(MSG_OK);
           }
-	}
-	else
-	{
-	  card.closefile();
-	  SERIAL_PROTOCOLLNPGM(MSG_FILE_SAVED);
-	}
+        }
+        else
+        {
+          card.closefile();
+          SERIAL_PROTOCOLLNPGM(MSG_FILE_SAVED);
+        }
       }
       else
       {
-	process_commands();
+        process_commands();
       }
     #else
       process_commands();
           case 2:
           case 3:
             if(Stopped == false) { // If printer is stopped by an error the G[0-3] codes are ignored.
-	      #ifdef SDSUPPORT
+          #ifdef SDSUPPORT
               if(card.saving)
                 break;
-	      #endif //SDSUPPORT
+          #endif //SDSUPPORT
               SERIAL_PROTOCOLLNPGM(MSG_OK);
             }
             else {
   return (strchr_pointer != NULL);  //Return True if a character was found
 }
 
-#define DEFINE_PGM_READ_ANY(type, reader)		\
-    static inline type pgm_read_any(const type *p)	\
-	{ return pgm_read_##reader##_near(p); }
+#define DEFINE_PGM_READ_ANY(type, reader)       \
+    static inline type pgm_read_any(const type *p)  \
+    { return pgm_read_##reader##_near(p); }
 
 DEFINE_PGM_READ_ANY(float,       float);
 DEFINE_PGM_READ_ANY(signed char, byte);
 
-#define XYZ_CONSTS_FROM_CONFIG(type, array, CONFIG)	\
-static const PROGMEM type array##_P[3] =		\
-    { X_##CONFIG, Y_##CONFIG, Z_##CONFIG };		\
-static inline type array(int axis)			\
+#define XYZ_CONSTS_FROM_CONFIG(type, array, CONFIG) \
+static const PROGMEM type array##_P[3] =        \
+    { X_##CONFIG, Y_##CONFIG, Z_##CONFIG };     \
+static inline type array(int axis)          \
     { return pgm_read_any(&array##_P[axis]); }
 
 XYZ_CONSTS_FROM_CONFIG(float, base_min_pos,    MIN_POS);
 
 static void homeaxis(int axis) {
 #define HOMEAXIS_DO(LETTER) \
-  ((LETTER##_MIN_PIN > -1 && LETTER##_HOME_DIR==-1) || (LETTER##_MAX_PIN > -1 && LETTER##_HOME_DIR==1))
+  ((LETTER##_MIN_PIN > 0 && LETTER##_HOME_DIR==-1) || (LETTER##_MAX_PIN > 0 && LETTER##_HOME_DIR==1))
 
   if (axis==X_AXIS ? HOMEAXIS_DO(X) :
       axis==Y_AXIS ? HOMEAXIS_DO(Y) :
       previous_millis_cmd = millis();
       if (codenum > 0){
         codenum += millis();  // keep track of when we started waiting
-        while(millis()  < codenum && !LCD_CLICKED){
+        while(millis()  < codenum && !lcd_clicked()){
           manage_heater();
           manage_inactivity();
           lcd_update();
         }
       }else{
-        while(!LCD_CLICKED){
+        while(!lcd_clicked()){
           manage_heater();
           manage_inactivity();
           lcd_update();
       //card,saving = false;
       break;
     case 30: //M30 <filename> Delete File
-	if (card.cardOK){
-		card.closefile();
-		starpos = (strchr(strchr_pointer + 4,'*'));
-                if(starpos != NULL){
-                char* npos = strchr(cmdbuffer[bufindr], 'N');
-                strchr_pointer = strchr(npos,' ') + 1;
-                *(starpos-1) = '\0';
-         }
-	 card.removeFile(strchr_pointer + 4);
-	}
-	break;
+      if (card.cardOK){
+        card.closefile();
+        starpos = (strchr(strchr_pointer + 4,'*'));
+        if(starpos != NULL){
+          char* npos = strchr(cmdbuffer[bufindr], 'N');
+          strchr_pointer = strchr(npos,' ') + 1;
+          *(starpos-1) = '\0';
+        }
+        card.removeFile(strchr_pointer + 4);
+      }
+      break;
     case 928: //M928 - Start SD write
       starpos = (strchr(strchr_pointer + 5,'*'));
       if(starpos != NULL){
       if(setTargetedHotend(105)){
         break;
       }
-      #if (TEMP_0_PIN > -1)
+      #if (TEMP_0_PIN > 0)
         SERIAL_PROTOCOLPGM("ok T:");
         SERIAL_PROTOCOL_F(degHotend(tmp_extruder),1);
         SERIAL_PROTOCOLPGM(" /");
         SERIAL_PROTOCOL_F(degTargetHotend(tmp_extruder),1);
-        #if TEMP_BED_PIN > -1
+        #if TEMP_BED_PIN > 0
           SERIAL_PROTOCOLPGM(" B:");
           SERIAL_PROTOCOL_F(degBed(),1);
           SERIAL_PROTOCOLPGM(" /");
       }
       break;
     case 190: // M190 - Wait for bed heater to reach target.
-    #if TEMP_BED_PIN > -1
+    #if TEMP_BED_PIN > 0
         LCD_MESSAGEPGM(MSG_BED_HEATING);
         if (code_seen('S')) setTargetBed(code_value());
         codenum = millis();
     #endif
         break;
 
-    #if FAN_PIN > -1
+    #if FAN_PIN > 0
       case 106: //M106 Fan On
         if (code_seen('S')){
            fanSpeed=constrain(code_value(),0,255);
         break;
     #endif //FAN_PIN
     #ifdef BARICUDA
-	// PWM for HEATER_1_PIN
-      #if HEATER_1_PIN > -1
+      // PWM for HEATER_1_PIN
+      #if HEATER_1_PIN > 0
         case 126: //M126 valve open
           if (code_seen('S')){
              ValvePressure=constrain(code_value(),0,255);
           break;
       #endif //HEATER_1_PIN
 
-  	// PWM for HEATER_2_PIN
-      #if HEATER_2_PIN > -1
+      // PWM for HEATER_2_PIN
+      #if HEATER_2_PIN > 0
         case 128: //M128 valve open
           if (code_seen('S')){
              EtoPPressure=constrain(code_value(),0,255);
       #endif //HEATER_2_PIN
     #endif
 
-    #if (PS_ON_PIN > -1)
+    #if (PS_ON_PIN > 0)
       case 80: // M80 - ATX Power On
         SET_OUTPUT(PS_ON_PIN); //GND
         WRITE(PS_ON_PIN, PS_ON_AWAKE);
 
       case 81: // M81 - ATX Power Off
 
-      #if defined SUICIDE_PIN && SUICIDE_PIN > -1
+      #if defined SUICIDE_PIN && SUICIDE_PIN > 0
         st_synchronize();
         suicide();
-      #elif (PS_ON_PIN > -1)
+      #elif (PS_ON_PIN > 0)
         SET_OUTPUT(PS_ON_PIN);
         WRITE(PS_ON_PIN, PS_ON_ASLEEP);
       #endif
-		break;
+        break;
 
     case 82:
       axis_relative_modes[3] = false;
       break;
     case 119: // M119
     SERIAL_PROTOCOLLN(MSG_M119_REPORT);
-      #if (X_MIN_PIN > -1)
+      #if (X_MIN_PIN > 0)
         SERIAL_PROTOCOLPGM(MSG_X_MIN);
         SERIAL_PROTOCOLLN(((READ(X_MIN_PIN)^X_ENDSTOPS_INVERTING)?MSG_ENDSTOP_HIT:MSG_ENDSTOP_OPEN));
       #endif
-      #if (X_MAX_PIN > -1)
+      #if (X_MAX_PIN > 0)
         SERIAL_PROTOCOLPGM(MSG_X_MAX);
         SERIAL_PROTOCOLLN(((READ(X_MAX_PIN)^X_ENDSTOPS_INVERTING)?MSG_ENDSTOP_HIT:MSG_ENDSTOP_OPEN));
       #endif
-      #if (Y_MIN_PIN > -1)
+      #if (Y_MIN_PIN > 0)
         SERIAL_PROTOCOLPGM(MSG_Y_MIN);
         SERIAL_PROTOCOLLN(((READ(Y_MIN_PIN)^Y_ENDSTOPS_INVERTING)?MSG_ENDSTOP_HIT:MSG_ENDSTOP_OPEN));
       #endif
-      #if (Y_MAX_PIN > -1)
+      #if (Y_MAX_PIN > 0)
         SERIAL_PROTOCOLPGM(MSG_Y_MAX);
         SERIAL_PROTOCOLLN(((READ(Y_MAX_PIN)^Y_ENDSTOPS_INVERTING)?MSG_ENDSTOP_HIT:MSG_ENDSTOP_OPEN));
       #endif
-      #if (Z_MIN_PIN > -1)
+      #if (Z_MIN_PIN > 0)
         SERIAL_PROTOCOLPGM(MSG_Z_MIN);
         SERIAL_PROTOCOLLN(((READ(Z_MIN_PIN)^Z_ENDSTOPS_INVERTING)?MSG_ENDSTOP_HIT:MSG_ENDSTOP_OPEN));
       #endif
-      #if (Z_MAX_PIN > -1)
+      #if (Z_MAX_PIN > 0)
         SERIAL_PROTOCOLPGM(MSG_Z_MAX);
         SERIAL_PROTOCOLLN(((READ(Z_MAX_PIN)^Z_ENDSTOPS_INVERTING)?MSG_ENDSTOP_HIT:MSG_ENDSTOP_OPEN));
       #endif
         }
       }
       // steps per sq second need to be updated to agree with the units per sq second (as they are what is used in the planner)
-	  reset_acceleration_rates();
+      reset_acceleration_rates();
       break;
     #if 0 // Not used for Sprinter/grbl gen6
     case 202: // M202
       }
     }
     break;
-
-    #if (defined NUM_SERVOS) && (NUM_SERVOS > 0)
+    
+    #if NUM_SERVOS > 0
     case 280: // M280 - set servo position absolute. P: servo index, S: angle or microseconds
       {
         int servo_index = -1;
       break;
     #endif // NUM_SERVOS > 0
 
-    #if defined(LARGE_FLASH) && LARGE_FLASH == true && defined(BEEPER) && BEEPER > -1
+    #if LARGE_FLASH == true && ( BEEPER > 0 || defined(ULTRALCD) )
     case 300: // M300
     {
-      int beepS = 1;
+      int beepS = 400;
       int beepP = 1000;
       if(code_seen('S')) beepS = code_value();
       if(code_seen('P')) beepP = code_value();
-      tone(BEEPER, beepS);
-      delay(beepP);
-      noTone(BEEPER);
+      #if BEEPER > 0
+        tone(BEEPER, beepS);
+        delay(beepP);
+        noTone(BEEPER);
+      #elif defined(ULTRALCD)
+        lcd_buzz(beepS, beepP);
+      #endif
     }
     break;
     #endif // M300
 
         updatePID();
         SERIAL_PROTOCOL(MSG_OK);
-		SERIAL_PROTOCOL(" p:");
+        SERIAL_PROTOCOL(" p:");
         SERIAL_PROTOCOL(Kp);
         SERIAL_PROTOCOL(" i:");
         SERIAL_PROTOCOL(unscalePID_i(Ki));
 
         updatePID();
         SERIAL_PROTOCOL(MSG_OK);
-		SERIAL_PROTOCOL(" p:");
+        SERIAL_PROTOCOL(" p:");
         SERIAL_PROTOCOL(bedKp);
         SERIAL_PROTOCOL(" i:");
         SERIAL_PROTOCOL(unscalePID_i(bedKi));
     case 240: // M240  Triggers a camera by emulating a Canon RC-1 : http://www.doc-diy.net/photo/rc-1_hacked/
      {
       #ifdef PHOTOGRAPH_PIN
-        #if (PHOTOGRAPH_PIN > -1)
+        #if (PHOTOGRAPH_PIN > 0)
         const uint8_t NUM_PULSES=16;
         const float PULSE_LENGTH=0.01524;
         for(int i=0; i < NUM_PULSES; i++) {
       int e=0;
       int c=5;
       if (code_seen('E')) e=code_value();
-			if (e<0)
-				temp=70;
+        if (e<0)
+          temp=70;
       if (code_seen('S')) temp=code_value();
       if (code_seen('C')) c=code_value();
       PID_autotune(temp, e, c);
         delay(100);
         LCD_ALERTMESSAGEPGM(MSG_FILAMENTCHANGE);
         uint8_t cnt=0;
-        while(!LCD_CLICKED){
+        while(!lcd_clicked()){
           cnt++;
           manage_heater();
           manage_inactivity();
           lcd_update();
-
-          #if BEEPER > -1
           if(cnt==0)
           {
+          #if BEEPER > 0
             SET_OUTPUT(BEEPER);
 
             WRITE(BEEPER,HIGH);
             delay(3);
             WRITE(BEEPER,LOW);
             delay(3);
-          }
+          #else 
+            lcd_buzz(1000/6,100);
           #endif
+          }
         }
 
         //return to normal
     #endif //FILAMENTCHANGEENABLE
     case 907: // M907 Set digital trimpot motor current using axis codes.
     {
-      #if DIGIPOTSS_PIN > -1
+      #if DIGIPOTSS_PIN > 0
         for(int i=0;i<NUM_AXIS;i++) if(code_seen(axis_codes[i])) digipot_current(i,code_value());
         if(code_seen('B')) digipot_current(4,code_value());
         if(code_seen('S')) for(int i=0;i<=4;i++) digipot_current(i,code_value());
     break;
     case 908: // M908 Control digital trimpot directly.
     {
-      #if DIGIPOTSS_PIN > -1
+      #if DIGIPOTSS_PIN > 0
         uint8_t channel,current;
         if(code_seen('P')) channel=code_value();
         if(code_seen('S')) current=code_value();
     break;
     case 350: // M350 Set microstepping mode. Warning: Steps per unit remains unchanged. S code sets stepping mode for all drivers.
     {
-      #if X_MS1_PIN > -1
+      #if X_MS1_PIN > 0
         if(code_seen('S')) for(int i=0;i<=4;i++) microstep_mode(i,code_value());
         for(int i=0;i<NUM_AXIS;i++) if(code_seen(axis_codes[i])) microstep_mode(i,(uint8_t)code_value());
         if(code_seen('B')) microstep_mode(4,code_value());
     break;
     case 351: // M351 Toggle MS1 MS2 pins directly, S# determines MS1 or MS2, X# sets the pin high/low.
     {
-      #if X_MS1_PIN > -1
+      #if X_MS1_PIN > 0
       if(code_seen('S')) switch((int)code_value())
       {
         case 1:
   disable_e1();
   disable_e2();
 
-  if(PS_ON_PIN > -1) pinMode(PS_ON_PIN,INPUT);
+  if(PS_ON_PIN > 0) pinMode(PS_ON_PIN,INPUT);
   SERIAL_ERROR_START;
   SERIAL_ERRORLNPGM(MSG_ERR_KILLED);
   LCD_ALERTMESSAGEPGM(MSG_KILLED);

Marlin/pins.h

 #define DIGIPOTSS_PIN -1
 
 #if MOTHERBOARD == 99
-#define	KNOWN_BOARD 1
+#define KNOWN_BOARD 1
 
 #define X_STEP_PIN          2
 #define X_DIR_PIN           3
 
 //x axis pins
     #define X_STEP_PIN      21                  //different from stanard GEN7
-    #define X_DIR_PIN       20				    //different from stanard GEN7
+    #define X_DIR_PIN       20            //different from stanard GEN7
     #define X_ENABLE_PIN    24
     #define X_STOP_PIN      0
 
     //#define RX_ENABLE_PIN       13
 
     #define BEEPER -1
-	#define SDCARDDETECT -1
-    #define SUICIDE_PIN -1						//has to be defined; otherwise Power_off doesn't work
+    #define SDCARDDETECT -1
+    #define SUICIDE_PIN -1    //has to be defined; otherwise Power_off doesn't work
 
     #define KILL_PIN -1
-	//Pins for 4bit LCD Support
+    //Pins for 4bit LCD Support
     #define LCD_PINS_RS 18
     #define LCD_PINS_ENABLE 17
     #define LCD_PINS_D4 16
     #define BTN_EN2 10
     #define BTN_ENC 12  //the click
 
-    #define BLEN_C 2
-    #define BLEN_B 1
-    #define BLEN_A 0
-
-    #define encrot0 0
-    #define encrot1 2
-    #define encrot2 3
-    #define encrot3 1
 #endif
 
 /****************************************************************************************
 #ifdef ULTRA_LCD
 
   #ifdef NEWPANEL
-     //encoder rotation values
-    #define encrot0 0
-    #define encrot1 2
-    #define encrot2 3
-    #define encrot3 1
-
-    #define BLEN_A 0
-    #define BLEN_B 1
-    #define BLEN_C 2
-
-    #define LCD_PINS_RS 16
+    #define LCD_PINS_RS 16 
     #define LCD_PINS_ENABLE 17
     #define LCD_PINS_D4 23
     #define LCD_PINS_D5 25
       #define SDCARDDETECT 49
     #else
       //arduino pin which triggers an piezzo beeper
-      #define BEEPER 33	 // Beeper on AUX-4
+      #define BEEPER 33  // Beeper on AUX-4
 
       //buttons are directly attached using AUX-2
       #ifdef REPRAPWORLD_KEYPAD
         #define SHIFT_OUT 40 // shift register
         #define SHIFT_CLK 44 // shift register
         #define SHIFT_LD 42 // shift register
-        // define register bit values, don't change it
-        #define BLEN_REPRAPWORLD_KEYPAD_F3 0
-        #define BLEN_REPRAPWORLD_KEYPAD_F2 1
-        #define BLEN_REPRAPWORLD_KEYPAD_F1 2
-        #define BLEN_REPRAPWORLD_KEYPAD_UP 3
-        #define BLEN_REPRAPWORLD_KEYPAD_RIGHT 4
-        #define BLEN_REPRAPWORLD_KEYPAD_MIDDLE 5
-        #define BLEN_REPRAPWORLD_KEYPAD_DOWN 6
-        #define BLEN_REPRAPWORLD_KEYPAD_LEFT 7
-	  #else
+      #else
         #define BTN_EN1 37
         #define BTN_EN2 35
         #define BTN_ENC 31  //the click
 
   #else //old style panel with shift register
     //arduino pin witch triggers an piezzo beeper
-    #define BEEPER 33		No Beeper added
+    #define BEEPER 33   // No Beeper added 
 
     //buttons are attached to a shift register
-	// Not wired this yet
+  // Not wired this yet
     //#define SHIFT_CLK 38
     //#define SHIFT_LD 42
     //#define SHIFT_OUT 40
     #define LCD_PINS_D5 25
     #define LCD_PINS_D6 27
     #define LCD_PINS_D7 29
-
-    //encoder rotation values
-    #define encrot0 0
-    #define encrot1 2
-    #define encrot2 3
-    #define encrot3 1
-
-
-    //bits in the shift register that carry the buttons for:
-    // left up center down right red
-    #define BL_LE 7
-    #define BL_UP 6
-    #define BL_MI 5
-    #define BL_DW 4
-    #define BL_RI 3
-    #define BL_ST 2
-
-    #define BLEN_B 1
-    #define BLEN_A 0
-  #endif
+  #endif 
 #endif //ULTRA_LCD
 
 #else // RAMPS_V_1_1 or RAMPS_V_1_2 as default (MOTHERBOARD == 3)
     #define DEBUG_PIN        0
 
     //our RS485 pins
-    #define TX_ENABLE_PIN	12
-    #define RX_ENABLE_PIN	13
+    #define TX_ENABLE_PIN 12
+    #define RX_ENABLE_PIN 13
 
 
 #endif
      //we have no buzzer installed
      #define BEEPER -1
      //LCD Pins
-	 	 #ifdef DOGLCD
-			 // Pins for DOGM SPI LCD Support
-			 #define DOGLCD_A0	30
-			 #define DOGLCD_CS	29
-			 // GLCD features
-			 #define LCD_CONTRAST 1
-			 // Uncomment screen orientation
-		     // #define LCD_SCREEN_ROT_0
-		     // #define LCD_SCREEN_ROT_90
-			 #define LCD_SCREEN_ROT_180
-		     // #define LCD_SCREEN_ROT_270
-			 #else // standard Hitachi LCD controller
-			 #define LCD_PINS_RS        4
-			 #define LCD_PINS_ENABLE    17
-			 #define LCD_PINS_D4        30
-			 #define LCD_PINS_D5        29
-			 #define LCD_PINS_D6        28
-			 #define LCD_PINS_D7        27
-         #endif
+     #ifdef DOGLCD
+       // Pins for DOGM SPI LCD Support
+       #define DOGLCD_A0  30
+       #define DOGLCD_CS  29
+       // GLCD features
+       #define LCD_CONTRAST 1
+       // Uncomment screen orientation
+         // #define LCD_SCREEN_ROT_0
+         // #define LCD_SCREEN_ROT_90
+       #define LCD_SCREEN_ROT_180
+         // #define LCD_SCREEN_ROT_270
+       #else // standard Hitachi LCD controller
+       #define LCD_PINS_RS        4
+       #define LCD_PINS_ENABLE    17
+       #define LCD_PINS_D4        30
+       #define LCD_PINS_D5        29
+       #define LCD_PINS_D6        28
+       #define LCD_PINS_D7        27
+     #endif
      //The encoder and click button
-     #define BTN_EN1 11  //must be a hardware interrupt pin
-     #define BTN_EN2 10 //must be hardware interrupt pin
+     #define BTN_EN1 11  
+     #define BTN_EN2 10 
      #define BTN_ENC 16  //the switch
      //not connected to a pin
-     #define SDCARDDETECT -1
-
-     //from the same bit in the RAMPS Newpanel define
-     //encoder rotation values
-     #define encrot0 0
-     #define encrot1 2
-     #define encrot2 3
-     #define encrot3 1
-
-     #define BLEN_C 2
-     #define BLEN_B 1
-     #define BLEN_A 0
-
+     #define SDCARDDETECT -1    
+    
    #endif //Newpanel
  #endif //Ultipanel
 
     #define BTN_EN1 40
     #define BTN_EN2 42
     #define BTN_ENC 19  //the click
-
-    #define BLEN_C 2
-    #define BLEN_B 1
-    #define BLEN_A 0
-
+    
     #define SDCARDDETECT 38
-
-      //encoder rotation values
-    #define encrot0 0
-    #define encrot1 2
-    #define encrot2 3
-    #define encrot3 1
+    
   #else //old style panel with shift register
     //arduino pin witch triggers an piezzo beeper
     #define BEEPER 18
     #define LCD_PINS_D5 21
     #define LCD_PINS_D6 20
     #define LCD_PINS_D7 19
-
-    //encoder rotation values
-    #ifndef ULTIMAKERCONTROLLER
-     #define encrot0 0
-     #define encrot1 2
-     #define encrot2 3
-     #define encrot3 1
-    #else
-     #define encrot0 0
-     #define encrot1 1
-     #define encrot2 3
-     #define encrot3 2
-
-    #endif
-
+  
     #define SDCARDDETECT -1
-    //bits in the shift register that carry the buttons for:
-    // left up center down right red
-    #define BL_LE 7
-    #define BL_UP 6
-    #define BL_MI 5
-    #define BL_DW 4
-    #define BL_RI 3
-    #define BL_ST 2
-
-    #define BLEN_B 1
-    #define BLEN_A 0
-  #endif
+  #endif 
 #endif //ULTRA_LCD
 
 #endif
 #define BTN_EN1            11
 #define BTN_EN2            12
 #define BTN_ENC            43
-//encoder rotation values
-#define BLEN_C 2
-#define BLEN_B 1
-#define BLEN_A 0
-#define encrot0 0
-#define encrot1 2
-#define encrot2 3
-#define encrot3 1
 
 #endif //MOTHERBOARD==80
 
 #define E0_ENABLE_PIN       10
 
 /* future proofing */
-#define __FS	20
-#define __FD	19
-#define __GS	18
-#define __GD	13
+#define __FS  20
+#define __FD  19
+#define __GS  18
+#define __GD  13
 
-#define UNUSED_PWM           14	/* PWM on LEFT connector */
+#define UNUSED_PWM           14 /* PWM on LEFT connector */
 
 #define E1_STEP_PIN         -1 // 21
 #define E1_DIR_PIN          -1 // 20
 #define HEATER_BED_PIN      4
 #define TEMP_BED_PIN        2 // 1,2 or I2C
 
-#define I2C_SCL				16
-#define I2C_SDA				17
+#define I2C_SCL       16
+#define I2C_SDA       17
 
 #endif
 
 #define HEATER_BED_PIN     10   // BED
 #define TEMP_BED_PIN       14   // ANALOG NUMBERING
 
-#define BEEPER 33			// Beeper on AUX-4
+#define BEEPER 33     // Beeper on AUX-4
 
 
 #ifdef ULTRA_LCD
     #define BTN_EN1 59
     #define BTN_EN2 64
     #define BTN_ENC 43  //the click
-
-    #define BLEN_C 2
-    #define BLEN_B 1
-    #define BLEN_A 0
-
-    #define SDCARDDETECT -1		// Ramps does not use this port
-
-      //encoder rotation values
-    #define encrot0 0
-    #define encrot1 2
-    #define encrot2 3
-    #define encrot3 1
+    
+    #define SDCARDDETECT -1   // Ramps does not use this port
 #endif
 #endif //ULTRA_LCD
 

Marlin/ultralcd.cpp

 static void menu_action_setting_edit_callback_float52(const char* pstr, float* ptr, float minValue, float maxValue, menuFunc_t callbackFunc);
 static void menu_action_setting_edit_callback_long5(const char* pstr, unsigned long* ptr, unsigned long minValue, unsigned long maxValue, menuFunc_t callbackFunc);
 
-#define ENCODER_STEPS_PER_MENU_ITEM 5
+#if !defined(LCD_I2C_VIKI)
+  #define ENCODER_STEPS_PER_MENU_ITEM 5
+#else
+  #define ENCODER_STEPS_PER_MENU_ITEM 2 // VIKI LCD rotary encoder uses a different number of steps per rotation
+#endif
 
 /* Helper macros for menus */
 #define START_MENU() do { \
     } } while(0)
 
 /** Used variables to keep track of the menu */
+#ifndef REPRAPWORLD_KEYPAD
 volatile uint8_t buttons;//Contains the bits of the currently pressed buttons.
-volatile uint8_t buttons_reprapworld_keypad; // to store the reprapworld_keypad shiftregister values
+#else
+volatile uint16_t buttons;//Contains the bits of the currently pressed buttons (extended).
+#endif
 
 uint8_t currentMenuViewOffset;              /* scroll offset in the current menu */
 uint32_t blocking_enc;
 uint8_t lastEncoderBits;
 int8_t encoderDiff; /* encoderDiff is updated from interrupt context and added to encoderPosition every LCD update */
 uint32_t encoderPosition;
-#if (SDCARDDETECT > -1)
+#if (SDCARDDETECT > 0)
 bool lcd_oldcardstatus;
 #endif
 #endif//ULTIPANEL
         }else{
             MENU_ITEM(submenu, MSG_CARD_MENU, lcd_sdcard_menu);
 #if SDCARDDETECT < 1
-			MENU_ITEM(gcode, MSG_CNG_SDCARD, PSTR("M21"));	// SD-card changed by user
-#endif			
+            MENU_ITEM(gcode, MSG_CNG_SDCARD, PSTR("M21"));  // SD-card changed by user
+#endif
         }
     }else{
         MENU_ITEM(submenu, MSG_NO_CARD, lcd_sdcard_menu);
-#if SDCARDDETECT < 1		
-		MENU_ITEM(gcode, MSG_INIT_SDCARD, PSTR("M21"));	// Manually initialize the SD-card via user interface
-#endif		
+#if SDCARDDETECT < 1
+        MENU_ITEM(gcode, MSG_INIT_SDCARD, PSTR("M21")); // Manually initialize the SD-card via user interface
+#endif
     }
 #endif
     END_MENU();
     setTargetBed(plaPreheatHPBTemp);
     fanSpeed = plaPreheatFanSpeed;
     lcd_return_to_status();
-	setWatch();	// heater sanity check timer
+    setWatch(); // heater sanity check timer
 }
 
 void lcd_preheat_abs()
     setTargetBed(absPreheatHPBTemp);
     fanSpeed = absPreheatFanSpeed;
     lcd_return_to_status();
-	setWatch();	// heater sanity check timer
+    setWatch(); // heater sanity check timer
 }
 
 static void lcd_cooldown()
 {
-	setTargetHotend0(0);
-	setTargetHotend1(0);
-	setTargetHotend2(0);
-	setTargetBed(0);
-	lcd_return_to_status();
+    setTargetHotend0(0);
+    setTargetHotend1(0);
+    setTargetHotend2(0);
+    setTargetBed(0);
+    lcd_return_to_status();
 }
 
 static void lcd_tune_menu()
 
 static void lcd_control_temperature_menu()
 {
-	// set up temp variables - undo the default scaling
-	raw_Ki = unscalePID_i(Ki);
-	raw_Kd = unscalePID_d(Kd);
-	
+    // set up temp variables - undo the default scaling
+    raw_Ki = unscalePID_i(Ki);
+    raw_Kd = unscalePID_d(Kd);
+
     START_MENU();
     MENU_ITEM(back, MSG_CONTROL, lcd_control_menu);
     MENU_ITEM_EDIT(int3, MSG_NOZZLE, &target_temperature[0], 0, HEATER_0_MAXTEMP - 15);
 #endif
 #ifdef PIDTEMP
     MENU_ITEM_EDIT(float52, MSG_PID_P, &Kp, 1, 9990);
-	// i is typically a small value so allows values below 1
+    // i is typically a small value so allows values below 1
     MENU_ITEM_EDIT_CALLBACK(float52, MSG_PID_I, &raw_Ki, 0.01, 9990, copy_and_scalePID_i);
     MENU_ITEM_EDIT_CALLBACK(float52, MSG_PID_D, &raw_Kd, 1, 9990, copy_and_scalePID_d);
 # ifdef PID_ADD_EXTRUSION_RATE
 menu_edit_type(unsigned long, long5, ftostr5, 0.01)
 
 #ifdef REPRAPWORLD_KEYPAD
-	static void reprapworld_keypad_move_y_down() {
+    static void reprapworld_keypad_move_y_down() {
         encoderPosition = 1;
         move_menu_scale = REPRAPWORLD_KEYPAD_MOVE_STEP;
-		lcd_move_y();
-	}
-	static void reprapworld_keypad_move_y_up() {
-		encoderPosition = -1;
-		move_menu_scale = REPRAPWORLD_KEYPAD_MOVE_STEP;
-    	lcd_move_y();
-	}
-	static void reprapworld_keypad_move_home() {
-		//enquecommand_P((PSTR("G28"))); // move all axis home
-		// TODO gregor: move all axis home, i have currently only one axis on my prusa i3
-		enquecommand_P((PSTR("G28 Y")));
-	}
+        lcd_move_y();
+    }
+    static void reprapworld_keypad_move_y_up() {
+        encoderPosition = -1;
+        move_menu_scale = REPRAPWORLD_KEYPAD_MOVE_STEP;
+        lcd_move_y();
+    }
+    static void reprapworld_keypad_move_home() {
+        //enquecommand_P((PSTR("G28"))); // move all axis home
+        // TODO gregor: move all axis home, i have currently only one axis on my prusa i3
+        enquecommand_P((PSTR("G28 Y")));
+    }
 #endif
 
 /** End of menus **/
 #ifdef NEWPANEL
     pinMode(BTN_EN1,INPUT);
     pinMode(BTN_EN2,INPUT); 
-    pinMode(BTN_ENC,INPUT); 
     pinMode(SDCARDDETECT,INPUT);
     WRITE(BTN_EN1,HIGH);
     WRITE(BTN_EN2,HIGH);
+  #if BTN_ENC > 0
+    pinMode(BTN_ENC,INPUT); 
     WRITE(BTN_ENC,HIGH);
-    #ifdef REPRAPWORLD_KEYPAD
-      pinMode(SHIFT_CLK,OUTPUT);
-      pinMode(SHIFT_LD,OUTPUT);
-      pinMode(SHIFT_OUT,INPUT);
-      WRITE(SHIFT_OUT,HIGH);
-      WRITE(SHIFT_LD,HIGH);
-    #endif
+  #endif    
+  #ifdef REPRAPWORLD_KEYPAD
+    pinMode(SHIFT_CLK,OUTPUT);
+    pinMode(SHIFT_LD,OUTPUT);
+    pinMode(SHIFT_OUT,INPUT);
+    WRITE(SHIFT_OUT,HIGH);
+    WRITE(SHIFT_LD,HIGH);
+  #endif
 #else
     pinMode(SHIFT_CLK,OUTPUT);
     pinMode(SHIFT_LD,OUTPUT);
     WRITE(SHIFT_LD,HIGH); 
     WRITE(SHIFT_EN,LOW);
 #endif//!NEWPANEL
-#if (SDCARDDETECT > -1)
+#if (SDCARDDETECT > 0)
     WRITE(SDCARDDETECT, HIGH);
     lcd_oldcardstatus = IS_SD_INSERTED;
-#endif//(SDCARDDETECT > -1)
+#endif//(SDCARDDETECT > 0)
     lcd_buttons_update();
+#ifdef ULTIPANEL    
     encoderDiff = 0;
+#endif    
 }
 
 void lcd_update()
     
     lcd_buttons_update();
     
-    #if (SDCARDDETECT > -1)
+    #ifdef LCD_HAS_SLOW_BUTTONS
+    buttons |= lcd_implementation_read_slow_buttons(); // buttons which take too long to read in interrupt context
+    #endif
+    
+    #if (SDCARDDETECT > 0)
     if((IS_SD_INSERTED != lcd_oldcardstatus))
     {
         lcdDrawUpdate = 2;
     if (lcd_next_update_millis < millis())
     {
 #ifdef ULTIPANEL
-		#ifdef REPRAPWORLD_KEYPAD
-        	if (REPRAPWORLD_KEYPAD_MOVE_Y_DOWN) {
-        		reprapworld_keypad_move_y_down();
-        	}
-        	if (REPRAPWORLD_KEYPAD_MOVE_Y_UP) {
-        		reprapworld_keypad_move_y_up();
-        	}
-        	if (REPRAPWORLD_KEYPAD_MOVE_HOME) {
-        		reprapworld_keypad_move_home();
-        	}
-		#endif
+        #ifdef REPRAPWORLD_KEYPAD
+        if (REPRAPWORLD_KEYPAD_MOVE_Y_DOWN) {
+            reprapworld_keypad_move_y_down();
+        }
+        if (REPRAPWORLD_KEYPAD_MOVE_Y_UP) {
+            reprapworld_keypad_move_y_up();
+        }
+        if (REPRAPWORLD_KEYPAD_MOVE_HOME) {
+            reprapworld_keypad_move_home();
+        }
+        #endif
         if (encoderDiff)
         {
             lcdDrawUpdate = 1;
 #endif//ULTIPANEL
 
 #ifdef DOGLCD        // Changes due to different driver architecture of the DOGM display
-		blink++;	   // Variable for fan animation and alive dot
-		u8g.firstPage();
-		do {
-				u8g.setFont(u8g_font_6x10_marlin);
-				u8g.setPrintPos(125,0);
-				if (blink % 2) u8g.setColorIndex(1); else u8g.setColorIndex(0); // Set color for the alive dot
-				u8g.drawPixel(127,63);	// draw alive dot
-				u8g.setColorIndex(1);	// black on white
-				(*currentMenu)();
-				if (!lcdDrawUpdate)  break; // Terminate display update, when nothing new to draw. This must be done before the last dogm.next()
-		   } while( u8g.nextPage() );
+        blink++;     // Variable for fan animation and alive dot
+        u8g.firstPage();
+        do 
+        {
+            u8g.setFont(u8g_font_6x10_marlin);
+            u8g.setPrintPos(125,0);
+            if (blink % 2) u8g.setColorIndex(1); else u8g.setColorIndex(0); // Set color for the alive dot
+            u8g.drawPixel(127,63); // draw alive dot
+            u8g.setColorIndex(1); // black on white
+            (*currentMenu)();
+            if (!lcdDrawUpdate)  break; // Terminate display update, when nothing new to draw. This must be done before the last dogm.next()
+        } while( u8g.nextPage() );
 #else        
         (*currentMenu)();
 #endif
 
+#ifdef LCD_HAS_STATUS_INDICATORS
+        lcd_implementation_update_indicators();
+#endif
+
 #ifdef ULTIPANEL
         if(timeoutToStatus < millis() && currentMenu != lcd_status_screen)
         {
     uint8_t newbutton=0;
     if(READ(BTN_EN1)==0)  newbutton|=EN_A;
     if(READ(BTN_EN2)==0)  newbutton|=EN_B;
+  #if BTN_ENC > 0
     if((blocking_enc<millis()) && (READ(BTN_ENC)==0))
         newbutton |= EN_C;
+  #endif      
+  #ifdef REPRAPWORLD_KEYPAD
+    // for the reprapworld_keypad
+    uint8_t newbutton_reprapworld_keypad=0;
+    WRITE(SHIFT_LD,LOW);
+    WRITE(SHIFT_LD,HIGH);
+    for(int8_t i=0;i<8;i++) {
+        newbutton_reprapworld_keypad = newbutton_reprapworld_keypad>>1;
+        if(READ(SHIFT_OUT))
+            newbutton_reprapworld_keypad|=(1<<7);
+        WRITE(SHIFT_CLK,HIGH);
+        WRITE(SHIFT_CLK,LOW);
+    }
+    newbutton |= ((~newbutton_reprapworld_keypad) << REPRAPWORLD_BTN_OFFSET); //invert it, because a pressed switch produces a logical 0
+  #endif
     buttons = newbutton;
-    #ifdef REPRAPWORLD_KEYPAD
-      // for the reprapworld_keypad
-      uint8_t newbutton_reprapworld_keypad=0;
-      WRITE(SHIFT_LD,LOW);
-      WRITE(SHIFT_LD,HIGH);
-      for(int8_t i=0;i<8;i++) {
-          newbutton_reprapworld_keypad = newbutton_reprapworld_keypad>>1;
-          if(READ(SHIFT_OUT))
-              newbutton_reprapworld_keypad|=(1<<7);
-          WRITE(SHIFT_CLK,HIGH);
-          WRITE(SHIFT_CLK,LOW);
-      }
-      buttons_reprapworld_keypad=~newbutton_reprapworld_keypad; //invert it, because a pressed switch produces a logical 0
-	#endif
 #else   //read it from the shift register
     uint8_t newbutton=0;
     WRITE(SHIFT_LD,LOW);
     }
     lastEncoderBits = enc;
 }
+
+void lcd_buzz(long duration, uint16_t freq)
+{ 
+#ifdef LCD_USE_I2C_BUZZER
+  lcd.buzz(duration,freq);
+#endif   
+}
+
+bool lcd_clicked() 
+{ 
+  return LCD_CLICKED;
+}
 #endif//ULTIPANEL
 
 /********************************/
 {
   Ki = scalePID_i(raw_Ki);
   updatePID();
-}	
+}
 
 // Callback for after editing PID d value
 // grab the pid d value out of the temp variable; scale it; then update the PID driver
 {
   Kd = scalePID_d(raw_Kd);
   updatePID();
-}	
-	
+}
+
 #endif //ULTRA_LCD

Marlin/ultralcd.h

 
   #ifdef ULTIPANEL
   void lcd_buttons_update();
-  extern volatile uint8_t buttons;  //the last checked buttons in a bit array.
-  #ifdef REPRAPWORLD_KEYPAD
-    extern volatile uint8_t buttons_reprapworld_keypad; // to store the keypad shiftregister values
-  #endif
   #else
   FORCE_INLINE void lcd_buttons_update() {}
   #endif
   extern int absPreheatHPBTemp;
   extern int absPreheatFanSpeed;
     
-  #ifdef NEWPANEL
-    #define EN_C (1<<BLEN_C)
-    #define EN_B (1<<BLEN_B)
-    #define EN_A (1<<BLEN_A)
-
-    #define LCD_CLICKED (buttons&EN_C)
-    #ifdef REPRAPWORLD_KEYPAD
-  	  #define EN_REPRAPWORLD_KEYPAD_F3 (1<<BLEN_REPRAPWORLD_KEYPAD_F3)
-  	  #define EN_REPRAPWORLD_KEYPAD_F2 (1<<BLEN_REPRAPWORLD_KEYPAD_F2)
-  	  #define EN_REPRAPWORLD_KEYPAD_F1 (1<<BLEN_REPRAPWORLD_KEYPAD_F1)
-  	  #define EN_REPRAPWORLD_KEYPAD_UP (1<<BLEN_REPRAPWORLD_KEYPAD_UP)
-  	  #define EN_REPRAPWORLD_KEYPAD_RIGHT (1<<BLEN_REPRAPWORLD_KEYPAD_RIGHT)
-  	  #define EN_REPRAPWORLD_KEYPAD_MIDDLE (1<<BLEN_REPRAPWORLD_KEYPAD_MIDDLE)
-  	  #define EN_REPRAPWORLD_KEYPAD_DOWN (1<<BLEN_REPRAPWORLD_KEYPAD_DOWN)
-  	  #define EN_REPRAPWORLD_KEYPAD_LEFT (1<<BLEN_REPRAPWORLD_KEYPAD_LEFT)
-
-  	  #define LCD_CLICKED ((buttons&EN_C) || (buttons_reprapworld_keypad&EN_REPRAPWORLD_KEYPAD_F1))
-  	  #define REPRAPWORLD_KEYPAD_MOVE_Y_DOWN (buttons_reprapworld_keypad&EN_REPRAPWORLD_KEYPAD_DOWN)
-  	  #define REPRAPWORLD_KEYPAD_MOVE_Y_UP (buttons_reprapworld_keypad&EN_REPRAPWORLD_KEYPAD_UP)
-  	  #define REPRAPWORLD_KEYPAD_MOVE_HOME (buttons_reprapworld_keypad&EN_REPRAPWORLD_KEYPAD_MIDDLE)
-    #endif //REPRAPWORLD_KEYPAD
-  #else
-    //atomatic, do not change
-    #define B_LE (1<<BL_LE)
-    #define B_UP (1<<BL_UP)
-    #define B_MI (1<<BL_MI)
-    #define B_DW (1<<BL_DW)
-    #define B_RI (1<<BL_RI)
-    #define B_ST (1<<BL_ST)
-    #define EN_B (1<<BLEN_B)
-    #define EN_A (1<<BLEN_A)
-    
-    #define LCD_CLICKED ((buttons&B_MI)||(buttons&B_ST))
-  #endif//NEWPANEL
+  void lcd_buzz(long duration,uint16_t freq);
+  bool lcd_clicked();
 
 #else //no lcd
   FORCE_INLINE void lcd_update() {}
   FORCE_INLINE void lcd_setstatus(const char* message) {}
   FORCE_INLINE void lcd_buttons_update() {}
   FORCE_INLINE void lcd_reset_alert_level() {}
+  FORCE_INLINE void lcd_buzz(long duration,uint16_t freq) {}
 
   #define LCD_MESSAGEPGM(x) 
   #define LCD_ALERTMESSAGEPGM(x)