Support for Geeetech GT2560 Rev.A/Rev.A+

Marlin/Configuration.h

@@ -914,7 +914,7 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
+  //#define UBL_G26_MESH_VALIDATION // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 
 #elif ENABLED(MESH_BED_LEVELING)

Marlin/boards.h

@@ -64,6 +64,8 @@
 #define BOARD_ULTIMAKER         7    // Ultimaker
 #define BOARD_ULTIMAKER_OLD     71   // Ultimaker (Older electronics. Pre 1.5.4. This is rare)
 #define BOARD_ULTIMAIN_2        72   // Ultimainboard 2.x (Uses TEMP_SENSOR 20)
+#define BOARD_GT2560_REV_A      74   // Geeetech GT2560 Rev. A
+#define BOARD_GT2560_REV_A_PLUS 75   // Geeetech GT2560 Rev. A+ (with auto level probe)
 #define BOARD_3DRAG             77   // 3Drag Controller
 #define BOARD_K8200             78   // Velleman K8200 Controller (derived from 3Drag Controller)
 #define BOARD_K8400             79   // Velleman K8400 Controller (derived from 3Drag Controller)

Marlin/example_configurations/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -524,7 +524,6 @@
  * Override with M201
  *                                      X, Y, Z, E0 [, E1[, E2[, E3[, E4]]]]
  */
-
 #define DEFAULT_MAX_ACCELERATION      { 4000, 4000, 40, 4000 }
 
 /**

Marlin/pins.h

@@ -192,6 +192,10 @@
   #include "pins_SAINSMART_2IN1.h"
 #elif MB(ZRIB_V20)
   #include "pins_ZRIB_V20.h"
+#elif MB(GT2560_REV_A)
+  #include "pins_GT2560_REV_A.h"
+#elif MB(GT2560_REV_A_PLUS)
+  #include "pins_GT2560_REV_A_PLUS.h"
 #else
   #error "Unknown MOTHERBOARD value set in Configuration.h"
 #endif

Marlin/pins_GT2560_REV_A.h

@@ -0,0 +1,133 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+ 
+/**
+ * Geeetech GT2560 Revision A board pin assignments, based on the work of 
+ * George Robles (https://georges3dprinters.com) and 
+ * Richard Smith <galorin@gmail.com>
+ */ 
+ 
+#if !defined(__AVR_ATmega1280__) && !defined(__AVR_ATmega2560__)
+  #error "Oops!  Make sure you have 'Arduino Mega' selected from the 'Tools -> Boards' menu."
+#endif
+
+#define BOARD_NAME           "GT2560 Rev.A"
+#define DEFAULT_MACHINE_NAME "Prusa i3 Pro B"
+#define LARGE_FLASH true
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN          22
+#define X_MAX_PIN          24
+#define Y_MIN_PIN          26
+#define Y_MAX_PIN          28
+#define Z_MIN_PIN          30
+#define Z_MAX_PIN          32
+
+//
+// Steppers
+//
+#define X_STEP_PIN         25
+#define X_DIR_PIN          23
+#define X_ENABLE_PIN       27
+
+#define Y_STEP_PIN         31
+#define Y_DIR_PIN          33
+#define Y_ENABLE_PIN       29
+
+#define Z_STEP_PIN         37
+#define Z_DIR_PIN          39
+#define Z_ENABLE_PIN       35
+
+#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
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN          8
+#define TEMP_1_PIN          9
+#define TEMP_BED_PIN       10
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN        2
+#define HEATER_1_PIN        3
+#define HEATER_BED_PIN      4
+#define FAN_PIN             7
+
+//
+// Misc. Functions
+//
+#define SDPOWER            -1
+#define SDSS               53
+#define LED_PIN            13
+#define PS_ON_PIN          12
+#define SUICIDE_PIN        54  // Must be enabled at startup to keep power flowing
+#define KILL_PIN           -1
+
+#if ENABLED(ULTRA_LCD)
+
+  #define BEEPER_PIN       18
+
+  #if ENABLED(NEWPANEL)       
+
+    #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        42
+    #define BTN_EN2        40
+    #define BTN_ENC        19
+    
+    #define SD_DETECT_PIN  38
+
+  #else // !NEWPANEL
+
+    #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 SD_DETECT_PIN  -1
+
+  #endif // !NEWPANEL
+
+#endif // ULTRA_LCD

Marlin/pins_GT2560_REV_A_PLUS.h

@@ -0,0 +1,31 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+ 
+/**
+ * Geeetech GT2560 Revision A+ board pin assignments
+ */ 
+
+#include "pins_GT2560_REV_A.h"
+
+#define BOARD_NAME  "GT2560 Rev.A+"
+
+#define SERVO0_PIN  11