Split RAMPS 1.3 an 1.4 (PR#2741)

because of hardware differences on the SERVO0_PIN

Marlin/Makefile

 else ifeq  ($(HARDWARE_MOTHERBOARD),34)
 HARDWARE_VARIANT ?= arduino
 MCU              ?= atmega2560
+else ifeq  ($(HARDWARE_MOTHERBOARD),35)
+HARDWARE_VARIANT ?= arduino
+MCU              ?= atmega2560
+else ifeq  ($(HARDWARE_MOTHERBOARD),36)
+HARDWARE_VARIANT ?= arduino
+MCU              ?= atmega2560
+else ifeq  ($(HARDWARE_MOTHERBOARD),38)
+HARDWARE_VARIANT ?= arduino
+MCU              ?= atmega2560
+else ifeq  ($(HARDWARE_MOTHERBOARD),43)
+HARDWARE_VARIANT ?= arduino
+MCU              ?= atmega2560
+else ifeq  ($(HARDWARE_MOTHERBOARD),44)
+HARDWARE_VARIANT ?= arduino
+MCU              ?= atmega2560
+else ifeq  ($(HARDWARE_MOTHERBOARD),45)
+HARDWARE_VARIANT ?= arduino
+MCU              ?= atmega2560
+else ifeq  ($(HARDWARE_MOTHERBOARD),46)
+HARDWARE_VARIANT ?= arduino
+MCU              ?= atmega2560
+else ifeq  ($(HARDWARE_MOTHERBOARD),48)
+HARDWARE_VARIANT ?= arduino
+MCU              ?= atmega2560
 
 #Gen6
 else ifeq  ($(HARDWARE_MOTHERBOARD),5)

Marlin/boards.h

 #define BOARD_CHEAPTRONIC       2    // Cheaptronic v1.0
 #define BOARD_SETHI             20   // Sethi 3D_1
 #define BOARD_RAMPS_OLD         3    // MEGA/RAMPS up to 1.2
-#define BOARD_RAMPS_13_EFB      33   // RAMPS 1.3 / 1.4 (Power outputs: Extruder, Fan, Bed)
-#define BOARD_RAMPS_13_EEB      34   // RAMPS 1.3 / 1.4 (Power outputs: Extruder0, Extruder1, Bed)
-#define BOARD_RAMPS_13_EFF      35   // RAMPS 1.3 / 1.4 (Power outputs: Extruder, Fan, Fan)
-#define BOARD_RAMPS_13_EEF      36   // RAMPS 1.3 / 1.4 (Power outputs: Extruder0, Extruder1, Fan)
-#define BOARD_RAMPS_13_SF       38   // RAMPS 1.3 / 1.4 (Power outputs: Spindle, Controller Fan)
+#define BOARD_RAMPS_13_EFB      33   // RAMPS 1.3 (Power outputs: Extruder, Fan, Bed)
+#define BOARD_RAMPS_13_EEB      34   // RAMPS 1.3 (Power outputs: Extruder0, Extruder1, Bed)
+#define BOARD_RAMPS_13_EFF      35   // RAMPS 1.3 (Power outputs: Extruder, Fan, Fan)
+#define BOARD_RAMPS_13_EEF      36   // RAMPS 1.3 (Power outputs: Extruder0, Extruder1, Fan)
+#define BOARD_RAMPS_13_SF       38   // RAMPS 1.3 (Power outputs: Spindle, Controller Fan)
 #define BOARD_FELIX2            37   // Felix 2.0+ Electronics Board (RAMPS like)
 #define BOARD_RIGIDBOARD        42   // Invent-A-Part RigidBoard
+#define BOARD_RAMPS_14_EFB      43   // RAMPS 1.4 (Power outputs: Extruder, Fan, Bed)
+#define BOARD_RAMPS_14_EEB      44   // RAMPS 1.4 (Power outputs: Extruder0, Extruder1, Bed)
+#define BOARD_RAMPS_14_EFF      45   // RAMPS 1.4 (Power outputs: Extruder, Fan, Fan)
+#define BOARD_RAMPS_14_EEF      46   // RAMPS 1.4 (Power outputs: Extruder0, Extruder1, Fan)
+#define BOARD_RAMPS_14_SF       48   // RAMPS 1.4 (Power outputs: Spindle, Controller Fan)
 #define BOARD_GEN6              5    // Gen6
 #define BOARD_GEN6_DELUXE       51   // Gen6 deluxe
 #define BOARD_SANGUINOLOLU_11   6    // Sanguinololu < 1.2

Marlin/pins.h

   #include "pins_RAMPS_13_EFB.h"
 #elif MB(RAMPS_13_EEB) || MB(RAMPS_13_EFF) || MB(RAMPS_13_EEF) || MB(RAMPS_13_SF)
   #include "pins_RAMPS_13.h"
+#elif MB(RAMPS_14_EFB)
+  #define IS_RAMPS_14
+  #include "pins_RAMPS_13_EFB.h"
+#elif MB(RAMPS_14_EEB) || MB(RAMPS_14_EFF) || MB(RAMPS_14_EEF) || MB(RAMPS_14_SF)
+  #define IS_RAMPS_14
+  #include "pins_RAMPS_13.h"
 #elif MB(GEN6)
   #include "pins_GEN6.h"
 #elif MB(GEN6_DELUXE)

Marlin/pins_RAMPS_13.h

 /**
- * Arduino Mega with RAMPS v1.3 pin assignments
+ * Arduino Mega with RAMPS v1.3 v1.4 pin assignments
  *
  * Applies to the following boards:
  *
  *  RAMPS_13_EFF (Extruder, Fan, Fan)
  *  RAMPS_13_EEF (Extruder, Extruder, Fan)
  *  RAMPS_13_SF  (Spindle, Controller Fan)
+ * 
+ *  RAMPS_14_EFB (Extruder, Fan, Bed)
+ *  RAMPS_14_EEB (Extruder, Extruder, Bed)
+ *  RAMPS_14_EFF (Extruder, Fan, Fan)
+ *  RAMPS_14_EEF (Extruder, Extruder, Fan)
+ *  RAMPS_14_SF  (Spindle, Controller Fan)
  *
  *  Other pins_MYBOARD.h files may override these defaults
+ *
+ *  Differences between
+ *  RAMPS_13 | RAMPS_14
+ *         7 | 11
  */
 
 #if !defined(__AVR_ATmega1280__) && !defined(__AVR_ATmega2560__)
 
 #define LARGE_FLASH true
 
-#define SERVO0_PIN         11
+#ifdef IS_RAMPS_14
+  #define SERVO0_PIN       11
+#else
+  #define SERVO0_PIN        7 // RAMPS_13 // Will conflict with BTN_EN2 on LCD_I2C_VIKI
+#endif
 #define SERVO1_PIN          6
 #define SERVO2_PIN          5
 #define SERVO3_PIN          4
       #define KILL_PIN 41
     #elif ENABLED(LCD_I2C_VIKI)
       #define BTN_EN1 22  // reverse if the encoder turns the wrong way.
-      #define BTN_EN2 7
+      #define BTN_EN2 7   // http://files.panucatt.com/datasheets/viki_wiring_diagram.pdf
+                          // tells about 40/42.
+                          // 22/7 are unused on RAMPS_14. 22 is unused and 7 the SERVO0_PIN on RAMPS_13.
       #define BTN_ENC -1
       #define LCD_SDSS 53
       #define SD_DETECT_PIN 49