Added support for Einsy Retro

http://reprap.org/wiki/EinsyRetro

Marlin/Makefile

@@ -277,6 +277,9 @@ MCU              ?= atmega2560
 else ifeq  ($(HARDWARE_MOTHERBOARD),304)
 HARDWARE_VARIANT ?= arduino
 MCU              ?= atmega2560
+else ifeq  ($(HARDWARE_MOTHERBOARD),305)
+HARDWARE_VARIANT ?= arduino
+MCU              ?= atmega2560
 else ifeq  ($(HARDWARE_MOTHERBOARD),21)
 HARDWARE_VARIANT ?= arduino
 MCU              ?= atmega2560

Marlin/src/core/boards.h

@@ -95,6 +95,7 @@
 #define BOARD_MINIRAMBO         302   // Mini-Rambo
 #define BOARD_MINIRAMBO_10A     303   // Mini-Rambo 1.0a
 #define BOARD_EINSY_RAMBO       304   // Einsy Rambo
+#define BOARD_EINSY_RETRO       305   // Einsy Retro
 #define BOARD_ELEFU_3           21    // Elefu Ra Board (v3)
 #define BOARD_LEAPFROG          999   // Leapfrog
 #define BOARD_MEGACONTROLLER    310   // Mega controller

Marlin/src/pins/pins.h

@@ -163,6 +163,8 @@
   #include "pins_MINIRAMBO.h"         // ATmega2560
 #elif MB(EINSY_RAMBO)
   #include "pins_EINSY_RAMBO.h"       // ATmega2560
+#elif MB(EINSY_RETRO)
+  #include "pins_EINSY_RETRO.h"       // ATmega2560
 #elif MB(ELEFU_3)
   #include "pins_ELEFU_3.h"           // ATmega2560
 #elif MB(LEAPFROG)

Marlin/src/pins/pins_EINSY_RAMBO.h

@@ -28,8 +28,7 @@
   #error "Oops!  Make sure you have 'Arduino Mega 2560 or Rambo' selected from the 'Tools -> Boards' menu."
 #endif
 
-#define BOARD_NAME          "Einsy Rambo"
-#define LARGE_FLASH         true
+#define BOARD_NAME         "Einsy Rambo"
 
 //
 // TMC2130 Configuration_adv defaults for EinsyRambo
@@ -41,10 +40,10 @@
 #endif
 
 // TMC2130 Diag Pins (currently just for reference)
-#define X_DIAG_PIN      64
-#define Y_DIAG_PIN      69
-#define Z_DIAG_PIN      68
-#define E0_DIAG_PIN     65
+#define X_DIAG_PIN         64
+#define Y_DIAG_PIN         69
+#define Z_DIAG_PIN         68
+#define E0_DIAG_PIN        65
 
 //
 // Limit Switches
@@ -55,26 +54,22 @@
 // SERVO0_PIN and Z_MIN_PIN configuration for BLTOUCH sensor when combined with SENSORLESS_HOMING.
 //
 
-#define X_MAX_PIN          -1
-#define Y_MAX_PIN          -1
-#define Z_MAX_PIN          -1
-
 #if DISABLED(SENSORLESS_HOMING)
 
-  #define X_MIN_PIN          12
-  #define Y_MIN_PIN          11
-  #define Z_MIN_PIN          10
+  #define X_STOP_PIN       12
+  #define Y_STOP_PIN       11
+  #define Z_STOP_PIN       10
 
 #else
 
-  #define X_MIN_PIN          X_DIAG_PIN
-  #define Y_MIN_PIN          Y_DIAG_PIN
+  #define X_STOP_PIN       X_DIAG_PIN
+  #define Y_STOP_PIN       Y_DIAG_PIN
 
   #if ENABLED(BLTOUCH)
-    #define Z_MIN_PIN        11   // Y-MIN
-    #define SERVO0_PIN       10   // Z-MIN
+    #define Z_STOP_PIN     11   // Y-MIN
+    #define SERVO0_PIN     10   // Z-MIN
   #else
-    #define Z_MIN_PIN        10
+    #define Z_STOP_PIN     10
   #endif
 
 #endif
@@ -109,20 +104,6 @@
 #define E0_ENABLE_PIN      26
 #define E0_CS_PIN          66
 
-#define E1_STEP_PIN        -1
-#define E1_DIR_PIN         -1
-#define E1_ENABLE_PIN      -1
-
-// Microstepping pins - uses SPI instead
-#define X_MS1_PIN          -1
-#define X_MS2_PIN          -1
-#define Y_MS1_PIN          -1
-#define Y_MS2_PIN          -1
-#define Z_MS1_PIN          -1
-#define Z_MS2_PIN          -1
-#define E0_MS1_PIN         -1
-#define E0_MS2_PIN         -1
-
 //
 // Temperature Sensors
 //
@@ -134,8 +115,6 @@
 // Heaters / Fans
 //
 #define HEATER_0_PIN        3
-#define HEATER_1_PIN       -1
-#define HEATER_2_PIN       -1
 #define HEATER_BED_PIN      4
 
 #define FAN_PIN             8
@@ -168,7 +147,7 @@
 //
 #if ENABLED(ULTRA_LCD)
 
-  #define KILL_PIN 32
+  #define KILL_PIN         32
 
   #if ENABLED(NEWPANEL)
 

Marlin/src/pins/pins_EINSY_RETRO.h

@@ -0,0 +1,193 @@
+/**
+ * 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/>.
+ *
+ */
+
+/**
+ * Einsy-Retro pin assignments
+ */
+
+#ifndef __AVR_ATmega2560__
+  #error "Oops!  Make sure you have 'Arduino Mega 2560 or Rambo' selected from the 'Tools -> Boards' menu."
+#endif
+
+#define BOARD_NAME         "Einsy Retro"
+
+//
+// TMC2130 Configuration_adv defaults for EinsyRetro
+//
+#if DISABLED(HAVE_TMC2130)
+  #error "You must enable TMC2130 support in Configuration_adv.h for EinsyRetro."
+#elif DISABLED(X_IS_TMC2130) || DISABLED(Y_IS_TMC2130) || DISABLED(Z_IS_TMC2130) || DISABLED(E0_IS_TMC2130)
+  #error "You must enable ([XYZ]|E0)_IS_TMC2130 in Configuration_adv.h for EinsyRetro."
+#endif
+
+// TMC2130 Diag Pins (currently just for reference)
+#define X_DIAG_PIN         64
+#define Y_DIAG_PIN         69
+#define Z_DIAG_PIN         68
+#define E0_DIAG_PIN        65
+
+//
+// Limit Switches
+//
+// Only use Diag Pins when SENSORLESS_HOMING is enabled for the TMC2130 drivers.
+// Otherwise use a physical endstop based configuration.
+//
+// SERVO0_PIN and Z_MIN_PIN configuration for BLTOUCH sensor when combined with SENSORLESS_HOMING.
+//
+
+#if DISABLED(SENSORLESS_HOMING)
+
+  #define X_MIN_PIN        12
+  #define Y_MIN_PIN        11
+  #define Z_MIN_PIN        10
+  #define X_MAX_PIN        81
+  #define Y_MAX_PIN        57
+
+#else
+
+  #if X_HOME_DIR == -1
+    #define X_MIN_PIN      X_DIAG_PIN
+    #define X_MAX_PIN      81
+  #else
+    #define X_MIN_PIN      12
+    #define X_MAX_PIN      X_DIAG_PIN
+  #endif
+
+  #if Y_HOME_DIR == -1
+    #define Y_MIN_PIN      Y_DIAG_PIN
+    #define Y_MAX_PIN      57
+  #else
+    #define Y_MIN_PIN      11
+    #define Y_MAX_PIN      Y_DIAG_PIN
+  #endif
+
+  #if ENABLED(BLTOUCH)
+    #define Z_MIN_PIN      11   // Y-MIN
+    #define SERVO0_PIN     10   // Z-MIN
+  #else
+    #define Z_MIN_PIN      10
+  #endif
+
+#endif
+
+#define Z_MAX_PIN           7
+
+//
+// Z Probe (when not Z_MIN_PIN)
+//
+#ifndef Z_MIN_PROBE_PIN
+  #define Z_MIN_PROBE_PIN  10
+#endif
+
+//
+// Steppers
+//
+#define X_STEP_PIN         37
+#define X_DIR_PIN          49
+#define X_ENABLE_PIN       29
+#define X_CS_PIN           41
+
+#define Y_STEP_PIN         36
+#define Y_DIR_PIN          48
+#define Y_ENABLE_PIN       28
+#define Y_CS_PIN           39
+
+#define Z_STEP_PIN         35
+#define Z_DIR_PIN          47
+#define Z_ENABLE_PIN       27
+#define Z_CS_PIN           67
+
+#define E0_STEP_PIN        34
+#define E0_DIR_PIN         43
+#define E0_ENABLE_PIN      26
+#define E0_CS_PIN          66
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN          0   // Analog Input
+#define TEMP_1_PIN          1   // Analog Input
+#define TEMP_BED_PIN        2   // Analog Input
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN        3
+#define HEATER_BED_PIN      4
+
+#define FAN_PIN             8
+#define FAN1_PIN            6
+
+//
+// Misc. Functions
+//
+#define SDSS               53
+#define LED_PIN            13
+#define CASE_LIGHT_PIN      9
+
+//
+// M3/M4/M5 - Spindle/Laser Control
+//
+// use P1 connector for spindle pins
+#define SPINDLE_LASER_PWM_PIN     9   // MUST BE HARDWARE PWM
+#define SPINDLE_LASER_ENABLE_PIN 18   // Pin should have a pullup!
+#define SPINDLE_DIR_PIN          19
+
+//
+// Průša i3 MK2 Multiplexer Support
+//
+#define E_MUX0_PIN         17
+#define E_MUX1_PIN         16
+#define E_MUX2_PIN         78   // 84 in MK2 Firmware, with BEEPER as 78
+
+//
+// LCD / Controller
+//
+#if ENABLED(ULTRA_LCD)
+
+  #define KILL_PIN         32
+
+  #if ENABLED(NEWPANEL)
+
+    #if ENABLED(CR10_STOCKDISPLAY)
+      #define LCD_PINS_RS     85
+      #define LCD_PINS_ENABLE 71
+      #define LCD_PINS_D4     70
+      #define BTN_EN1         18
+      #define BTN_EN2         19
+    #else
+      #define LCD_PINS_RS     82
+      #define LCD_PINS_ENABLE 18
+      #define LCD_PINS_D4     19
+      #define LCD_PINS_D5     70
+      #define LCD_PINS_D6     85
+      #define LCD_PINS_D7     71
+      #define BTN_EN1         14
+      #define BTN_EN2         72
+    #endif
+
+    #define BTN_ENC            9   // AUX-2
+    #define BEEPER_PIN        84   // AUX-4
+    #define SD_DETECT_PIN     15
+
+  #endif // NEWPANEL
+#endif // ULTRA_LCD