Split up pins to make it more manageable

Hopefully this is helpful to organization and future expansion….

Marlin/pins_GEN6.h

@@ -0,0 +1,62 @@
+/**
+ * Gen6 pin assignments
+ */
+
+#ifndef __AVR_ATmega644P__
+  #ifndef __AVR_ATmega1284P__
+    #error Oops!  Make sure you have 'Sanguino' selected from the 'Tools -> Boards' menu.
+  #endif
+#endif
+
+//x axis pins
+#define X_STEP_PIN      15
+#define X_DIR_PIN       18
+#define X_ENABLE_PIN    19
+#define X_STOP_PIN      20
+
+//y axis pins
+#define Y_STEP_PIN      23
+#define Y_DIR_PIN       22
+#define Y_ENABLE_PIN    24
+#define Y_STOP_PIN      25
+
+//z axis pins
+#define Z_STEP_PIN      27
+#define Z_DIR_PIN       28
+#define Z_ENABLE_PIN    29
+#define Z_STOP_PIN      30
+
+//extruder pins
+#define E0_STEP_PIN      4    //Edited @ EJE Electronics 20100715
+#define E0_DIR_PIN       2    //Edited @ EJE Electronics 20100715
+#define E0_ENABLE_PIN    3    //Added @ EJE Electronics 20100715
+#define TEMP_0_PIN      5     //changed @ rkoeppl 20110410
+#define TEMP_1_PIN      -1    //changed @ rkoeppl 20110410
+
+
+#define TEMP_2_PIN      -1    //changed @ rkoeppl 20110410
+#define HEATER_0_PIN    14    //changed @ rkoeppl 20110410
+#define HEATER_1_PIN    -1
+#define HEATER_2_PIN    -1
+
+#if MB(GEN6)
+  #define HEATER_BED_PIN  -1    //changed @ rkoeppl 20110410
+  #define TEMP_BED_PIN    -1    //changed @ rkoeppl 20110410
+#else
+  #define HEATER_BED_PIN   1    //changed @ rkoeppl 20110410
+  #define TEMP_BED_PIN     0    //changed @ rkoeppl 20110410
+#endif
+
+#define SDPOWER          -1
+#define SDSS          17
+#define LED_PIN         -1    //changed @ rkoeppl 20110410
+#define FAN_PIN         -1    //changed @ rkoeppl 20110410
+#define PS_ON_PIN       -1    //changed @ rkoeppl 20110410
+#define KILL_PIN        -1    //changed @ drakelive 20120830
+//our pin for debugging.
+
+#define DEBUG_PIN        0
+
+//our RS485 pins
+#define TX_ENABLE_PIN 12
+#define RX_ENABLE_PIN 13