Added support for Gen3+ (Pins file only)

Added late z enable. (blddk request)
Only calculate look ahead if >2 moves in buffer.
Removed some FORCE_INLINE to save memory.

Signed-off-by: Erik van der Zalm <erik@vdzalm.eu>

Marlin/pins.h

@@ -470,7 +470,7 @@
 #define X_STEP_PIN         15
 #define X_DIR_PIN          21
 #define X_MIN_PIN          18
-#define X_MAX_PIN           -2
+#define X_MAX_PIN           -1
 
 #define Y_STEP_PIN         22
 #define Y_DIR_PIN          23
@@ -653,6 +653,73 @@
 
 #endif
 
+#if MOTHERBOARD == 71
+#define KNOWN_BOARD
+/*****************************************************************
+* Ultimaker pin assignment (Old electronics)
+******************************************************************/
+
+#ifndef __AVR_ATmega1280__
+ #ifndef __AVR_ATmega2560__
+ #error Oops!  Make sure you have 'Arduino Mega' selected from the 'Tools -> Boards' menu.
+ #endif
+#endif
+
+#define X_STEP_PIN 25
+#define X_DIR_PIN 23
+#define X_MIN_PIN 15
+#define X_MAX_PIN 14
+#define X_ENABLE_PIN 27
+
+#define Y_STEP_PIN 31
+#define Y_DIR_PIN 33
+#define Y_MIN_PIN 17
+#define Y_MAX_PIN 16
+#define Y_ENABLE_PIN 29
+
+#define Z_STEP_PIN 37 
+#define Z_DIR_PIN 39
+#define Z_MIN_PIN 19
+#define Z_MAX_PIN 18
+#define Z_ENABLE_PIN 35
+
+#define HEATER_BED_PIN -1 
+#define TEMP_BED_PIN -1  
+
+#define HEATER_0_PIN  2
+#define TEMP_0_PIN 8   
+
+#define HEATER_1_PIN 1
+#define TEMP_1_PIN 1
+
+#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         -1
+#define E1_DIR_PIN          -1
+#define E1_ENABLE_PIN       -1
+
+#define SDPOWER            -1
+#define SDSS               -1
+#define LED_PIN            -1
+#define FAN_PIN            -1
+#define PS_ON_PIN          -1
+#define KILL_PIN           -1
+#define SUICIDE_PIN        -1  //PIN that has to be turned on right after start, to keep power flowing.
+
+#define LCD_PINS_RS 24 
+#define LCD_PINS_ENABLE 22
+#define LCD_PINS_D4 36
+#define LCD_PINS_D5 34 
+#define LCD_PINS_D6 32
+#define LCD_PINS_D7 30
+
+#endif
+
 /****************************************************************************************
 * Teensylu 0.7 pin assingments (ATMEGA90USB)
 * Requires the Teensyduino software with Teensy2.0++ selected in arduino IDE!
@@ -712,6 +779,62 @@
 #endif
 #endif
 
+/****************************************************************************************
+* Gen3+ pin assignment
+*
+****************************************************************************************/
+#if MOTHERBOARD == 9
+#define MOTHERBOARD 6
+#define KNOWN_BOARD 1
+#ifndef __AVR_ATmega644P__
+#error Oops!  Make sure you have 'Sanguino' selected from the 'Tools -> Boards' menu.
+#endif
+
+#define X_STEP_PIN         15
+#define X_DIR_PIN          18
+#define X_MIN_PIN          20
+#define X_MAX_PIN           -1
+
+#define Y_STEP_PIN         23
+#define Y_DIR_PIN          22
+#define Y_MIN_PIN          25
+#define Y_MAX_PIN          -1
+
+#define Z_STEP_PIN         27
+#define Z_DIR_PIN          28
+#define Z_MIN_PIN          30
+#define Z_MAX_PIN          -1
+
+#define E_STEP_PIN         17
+#define E_DIR_PIN          21
+
+#define LED_PIN            -1
+
+#define FAN_PIN            -1 
+
+#define PS_ON_PIN         14
+#define KILL_PIN           -1
+
+#define HEATER_0_PIN       12 // (extruder)
+
+#define HEATER_1_PIN       16 // (bed)
+#define X_ENABLE_PIN       19
+#define Y_ENABLE_PIN       24
+#define Z_ENABLE_PIN       29
+#define E_ENABLE_PIN       13
+
+#define TEMP_0_PIN          0   // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!! (pin 33 extruder)
+#define TEMP_1_PIN          5   // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!! (pin 34 bed)
+#define TEMP_2_PIN         -1
+#define SDPOWER            -1
+#define SDSS               4
+#define HEATER_2_PIN       -1
+
+#endif
+
+
+
+
 #ifndef KNOWN_BOARD
 #error Unknown MOTHERBOARD value in configuration.h
 #endif