support for GEN7 1.1,1.2 and 1.3

Marlin/Configuration.h

 //Implementation of an idea by Prof Braino to inform user that any changes made
 //to THIS file by the user have been successfully uploaded into firmware.
 #define STRING_VERSION_CONFIG_H "2012-02-08j" //Personal revision number for changes to THIS file.
-#define STRING_CONFIG_H_AUTHOR "username" //Who made the changes.
+#define STRING_CONFIG_H_AUTHOR "scuba82" //Who made the changes.
 
 // This determines the communication speed of the printer
 //#define BAUDRATE 250000
 // Gen6 = 5,
 // Sanguinololu 1.2 and above = 62
 // Ultimaker = 7,
-// Gen7 = 77,
+// Gen7 custom (Alfons3 Version) = 77, "https://github.com/Alfons3/Generation_7_Electronics"
+// Gen7 v1.1, v1.2 = 78
+// Gen7 v1.3 = 79
 // Teensylu = 8,
 // Gen3+ =9
 #define MOTHERBOARD 77
 
 // Actual temperature must be close to target for this long before M109 returns success
 #define TEMP_RESIDENCY_TIME 30  // (seconds)
-#define TEMP_HYSTERESIS 3       // (C°) range of +/- temperatures considered "close" to the target one
+#define TEMP_HYSTERESIS 3       // (C�) range of +/- temperatures considered "close" to the target one
 
 // The minimal temperature defines the temperature below which the heater will not be enabled It is used
 // to check that the wiring to the thermistor is not broken. 
 
 #define INVERT_X_DIR false    // for Mendel set to false, for Orca set to true
 #define INVERT_Y_DIR false    // for Mendel set to true, for Orca set to false
-#define INVERT_Z_DIR true     // for Mendel set to false, for Orca set to true
+#define INVERT_Z_DIR false     // for Mendel set to false, for Orca set to true
 #define INVERT_E0_DIR false   // for direct drive extruder v9 set to true, for geared extruder set to false
 #define INVERT_E1_DIR false    // for direct drive extruder v9 set to true, for geared extruder set to false
 #define INVERT_E2_DIR false   // for direct drive extruder v9 set to true, for geared extruder set to false
 #define Y_HOME_DIR -1
 #define Z_HOME_DIR -1
 
-#define min_software_endstops true //If true, axis won't move to coordinates less than zero.
+#define min_software_endstops false //If true, axis won't move to coordinates less than zero.
 #define max_software_endstops true  //If true, axis won't move to coordinates greater than the defined lengths below.
 #define X_MAX_LENGTH 205
 #define Y_MAX_LENGTH 205

Marlin/pins.h

 
 #endif
 
+/****************************************************************************************
+* Gen7 v1.1, v1.2, v1.3 pin assignment
+*
+****************************************************************************************/
+
+#if MOTHERBOARD == 79
+#define MOTHERBOARD 78
+#define GEN7_V_1_3
+#endif
+
+#if MOTHERBOARD == 78
+#define KNOWN_BOARD
+
+#if !defined(__AVR_ATmega644P__) && !defined(__AVR_ATmega644__) && !defined(__AVR_ATmega1284P__)
+#error Oops! Make sure you have 'Gen7' selected from the 'Tools -> Boards' menu.
+
+#endif
+
+//x axis pins
+#define X_STEP_PIN 19
+#define X_DIR_PIN 18
+#define X_ENABLE_PIN 24
+#define X_MIN_PIN 7
+#define X_MAX_PIN -1
+
+//y axis pins
+#define Y_STEP_PIN 23
+#define Y_DIR_PIN 22
+#define Y_ENABLE_PIN 24
+#define Y_MIN_PIN 5
+#define Y_MAX_PIN -1
+
+//z axis pins
+#define Z_STEP_PIN 26
+#define Z_DIR_PIN 25
+#define Z_ENABLE_PIN 24
+#define Z_MIN_PIN 1
+#define Z_MAX_PIN -1
+
+//extruder pins
+#define E0_STEP_PIN 28
+#define E0_DIR_PIN 27
+#define E0_ENABLE_PIN 24
+
+#define TEMP_0_PIN 1
+#define TEMP_1_PIN -1
+#define TEMP_2_PIN -1
+#define TEMP_BED_PIN 2
+
+#define HEATER_0_PIN 4
+#define HEATER_1_PIN -1
+#define HEATER_2_PIN -1
+#define HEATER_BED_PIN 3
+
+
+#define SDPOWER -1
+#define SDSS -1 // SCL pin of I2C header
+#define LED_PIN -1
+
+#ifdef GEN7_V_1_3
+// Gen7 v1.3 removed the fan pin
+#define FAN_PIN -1
+#else
+#define FAN_PIN 31
+#endif
+#define PS_ON_PIN 15
+
+//our pin for debugging.
+#define DEBUG_PIN 0
+
+//our RS485 pins
+#define TX_ENABLE_PIN 12
+#define RX_ENABLE_PIN 13
+
+#endif
+
 /*******************************************************************************
 *********
 * Gen7 Alfons3  pin assignment