Merge branch 'SAV-MkI_merge' into Development

Tested for SAV MKI and SAV 3D LCD on lewihe.

Marlin/Configuration.h

 // Shift register panels
 // ---------------------
 // 2 wire Non-latching LCD SR from:
-// https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/schematics#!shiftregister-connection
-//#define SR_LCD
-#ifdef SR_LCD
-   #define SR_LCD_2W_NL    // Non latching 2 wire shift register
-   //#define NEWPANEL
+// https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/schematics#!shiftregister-connection 
+
+//#define SAV_3DLCD
+#ifdef SAV_3DLCD
+   #define SR_LCD_2W_NL    // Non latching 2 wire shiftregister
+   #define NEWPANEL
+   #define ULTIPANEL
 #endif
 
 

Marlin/Marlin_main.cpp

 void setup_killpin()
 {
   #if defined(KILL_PIN) && KILL_PIN > -1
-    pinMode(KILL_PIN,INPUT);
+    SET_INPUT(KILL_PIN);
     WRITE(KILL_PIN,HIGH);
   #endif
 }
 
+// Set home pin
+void setup_homepin(void)
+{
+#if defined(HOME_PIN) && HOME_PIN > -1
+   SET_INPUT(HOME_PIN);
+   WRITE(HOME_PIN,HIGH);
+#endif
+}
+
+
 void setup_photpin()
 {
   #if defined(PHOTOGRAPH_PIN) && PHOTOGRAPH_PIN > -1
   pinMode(SERVO0_PIN, OUTPUT);
   digitalWrite(SERVO0_PIN, LOW); // turn it off
 #endif // Z_PROBE_SLED
+  setup_homepin();
 }
 
 
 
 void manage_inactivity()
 {
+	
+#if defined(KILL_PIN) && KILL_PIN > -1
+	static int killCount = 0;   // make the inactivity button a bit less responsive
+   const int KILL_DELAY = 10000;
+#endif
+
+#if defined(HOME_PIN) && HOME_PIN > -1
+   static int homeDebounceCount = 0;   // poor man's debouncing count
+   const int HOME_DEBOUNCE_DELAY = 10000;
+#endif
+   
+	
   if(buflen < (BUFSIZE-1))
     get_command();
 
   #endif
   
   #if defined(KILL_PIN) && KILL_PIN > -1
+    
+    // Check if the kill button was pressed and wait just in case it was an accidental
+    // key kill key press
+    // -------------------------------------------------------------------------------
     if( 0 == READ(KILL_PIN) )
-      kill();
+    {
+       killCount++;
+    }
+    else if (killCount > 0)
+    {
+       killCount--;
+    }
+    // Exceeded threshold and we can confirm that it was not accidental
+    // KILL the machine
+    // ----------------------------------------------------------------
+    if ( killCount >= KILL_DELAY)
+    {
+       kill();
+    }
   #endif
+
+#if defined(HOME_PIN) && HOME_PIN > -1
+    // Check to see if we have to home, use poor man's debouncer
+    // ---------------------------------------------------------
+    if ( 0 == READ(HOME_PIN) )
+    {
+       if (homeDebounceCount == 0)
+       {
+          enquecommand_P((PSTR("G28")));
+          homeDebounceCount++;
+          LCD_ALERTMESSAGEPGM(MSG_AUTO_HOME);
+       }
+       else if (homeDebounceCount < HOME_DEBOUNCE_DELAY)
+       {
+          homeDebounceCount++;
+       }
+       else
+       {
+          homeDebounceCount = 0;
+       }
+    }
+#endif
+    
   #if defined(CONTROLLERFAN_PIN) && CONTROLLERFAN_PIN > -1
     controllerFan(); //Check if fan should be turned on to cool stepper drivers down
   #endif
   SERIAL_ERROR_START;
   SERIAL_ERRORLNPGM(MSG_ERR_KILLED);
   LCD_ALERTMESSAGEPGM(MSG_KILLED);
+  
+  // FMC small patch to update the LCD before ending
+  sei();   // enable interrupts
+  for ( int i=5; i--; lcd_update())
+  {
+     delay(200);	
+  }
+  cli();   // disable interrupts
   suicide();
   while(1) { /* Intentionally left empty */ } // Wait for reset
 }

Marlin/language.h

 #elif MB(5DPRINT)
 	#define MACHINE_NAME "Makibox"
 	#define FIRMWARE_URL "https://github.com/ErikZalm/Marlin/"
+#elif MB(SAV_MKI)
+	#define MACHINE_NAME "SAV MkI"
+	#define FIRMWARE_URL "https://github.com/fmalpartida/Marlin/tree/SAV-MkI-config"
 #else
 	#ifdef CUSTOM_MENDEL_NAME
 		#define MACHINE_NAME CUSTOM_MENDEL_NAME

Marlin/pins.h

   #define X_STOP_PIN         13
   #define Y_STOP_PIN         14
   #define Z_STOP_PIN         15
+//  #define Z_STOP_PIN         36  // For inductive sensor.
+
   #define TEMP_0_PIN          7  // Extruder / Analog pin numbering
   #define TEMP_BED_PIN        6  // Bed / Analog pin numbering
 
 #define SDSS               20  // PB0 - 8 in marlin env.
 #define LED_PIN            -1
 #define PS_ON_PIN          -1
-#define KILL_PIN           -1
 #define ALARM_PIN          -1
 #define SDCARDDETECT       -1
 
 #define LCD_PINS_D5        -1
 #define LCD_PINS_D6        -1
 #define LCD_PINS_D7        -1
-#define BTN_EN1            -1
-#define BTN_EN2            -1
-#define BTN_ENC            -1
 
+#ifdef SAV_3DLCD
 // For LCD SHIFT register LCD
-#define SR_DATA_PIN         0
-#define SR_CLK_PIN          1
+#define SR_DATA_PIN         1
+#define SR_CLK_PIN          0
+
+#define BTN_EN1            41
+#define BTN_EN2            40
+#define BTN_ENC            12
+
+#define KILL_PIN           42 // A2 = 42 - teensy = 40
+#define HOME_PIN          -1 // A4 = marlin 44 - teensy = 42
+
+#ifdef NUM_SERVOS
+  #define SERVO0_PIN       41 // In teensy's pin definition for pinMode (in Servo.cpp)
+#endif
+
+#endif
 
 #endif // SAV_MKI
 

Marlin/ultralcd.cpp

     lcd_implementation_init();
 
 #ifdef NEWPANEL
-    pinMode(BTN_EN1,INPUT);
-    pinMode(BTN_EN2,INPUT);
+    SET_INPUT(BTN_EN1);
+    SET_INPUT(BTN_EN2);
     WRITE(BTN_EN1,HIGH);
     WRITE(BTN_EN2,HIGH);
   #if BTN_ENC > 0
-    pinMode(BTN_ENC,INPUT);
+    SET_INPUT(BTN_ENC);
     WRITE(BTN_ENC,HIGH);
   #endif
   #ifdef REPRAPWORLD_KEYPAD

Marlin/ultralcd_implementation_hitachi_HD44780.h

 // 2 wire Non-latching LCD SR from:
 // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/schematics#!shiftregister-connection 
 #elif defined(SR_LCD_2W_NL)
-   
+
+  extern "C" void __cxa_pure_virtual() { while (1); }
   #include <LCD.h>
   #include <LiquidCrystal_SR.h>
   #define LCD_CLASS LiquidCrystal_SR