Split up pins to make it more manageable

Hopefully this is helpful to organization and future expansion….

Marlin/pins_ULTIMAKER.h

@@ -0,0 +1,100 @@
+/**
+ * Ultimaker pin assignments
+ */
+
+#if !defined(__AVR_ATmega1280__) && !defined(__AVR_ATmega2560__)
+  #error Oops!  Make sure you have 'Arduino Mega' selected from the 'Tools -> Boards' menu.
+#endif
+
+#define LARGE_FLASH true
+
+#define X_STEP_PIN 25
+#define X_DIR_PIN 23
+#define X_MIN_PIN 22
+#define X_MAX_PIN 24
+#define X_ENABLE_PIN 27
+
+#define Y_STEP_PIN 31
+#define Y_DIR_PIN 33
+#define Y_MIN_PIN 26
+#define Y_MAX_PIN 28
+#define Y_ENABLE_PIN 29
+
+#define Z_STEP_PIN 37
+#define Z_DIR_PIN 39
+#define Z_MIN_PIN 30
+#define Z_MAX_PIN 32
+#define Z_ENABLE_PIN 35
+
+#define HEATER_BED_PIN 4
+#define TEMP_BED_PIN 10
+
+#define HEATER_0_PIN  2
+#define TEMP_0_PIN 8
+
+#define HEATER_1_PIN 3
+#define TEMP_1_PIN 9
+
+#define HEATER_2_PIN -1
+#define TEMP_2_PIN -1
+
+#define E0_STEP_PIN         43
+#define E0_DIR_PIN          45
+#define E0_ENABLE_PIN       41
+
+#define E1_STEP_PIN         49
+#define E1_DIR_PIN          47
+#define E1_ENABLE_PIN       48
+
+#define SDPOWER            -1
+#define SDSS               53
+#define LED_PIN            13
+#define FAN_PIN            7
+#define PS_ON_PIN          12
+#define KILL_PIN           -1
+#define SUICIDE_PIN        54  //PIN that has to be turned on right after start, to keep power flowing.
+#define SERVO0_PIN         13  // untested
+
+#ifdef ULTRA_LCD
+
+  #ifdef NEWPANEL
+  //arduino pin witch triggers an piezzo beeper
+    #define BEEPER 18
+
+    #define LCD_PINS_RS 20
+    #define LCD_PINS_ENABLE 17
+    #define LCD_PINS_D4 16
+    #define LCD_PINS_D5 21
+    #define LCD_PINS_D6 5
+    #define LCD_PINS_D7 6
+
+    //buttons are directly attached
+    #define BTN_EN1 40
+    #define BTN_EN2 42
+    #define BTN_ENC 19  //the click
+
+    #define SDCARDDETECT 38
+
+  #else //!NEWPANEL - Old style panel with shift register
+
+    //arduino pin witch triggers an piezzo beeper
+    #define BEEPER 18
+
+    //buttons are attached to a shift register
+    #define SHIFT_CLK 38
+    #define SHIFT_LD 42
+    #define SHIFT_OUT 40
+    #define SHIFT_EN 17
+
+    #define LCD_PINS_RS 16
+    #define LCD_PINS_ENABLE 5
+    #define LCD_PINS_D4 6
+    #define LCD_PINS_D5 21
+    #define LCD_PINS_D6 20
+    #define LCD_PINS_D7 19
+
+    #define SDCARDDETECT -1
+
+  #endif // !NEWPANEL
+
+#endif // ULTRA_LCD