Changes for Mini 2 w/ EinsyRetro.

- Pins adjusted for new EinsyRetro boards from Ultimachine.
- Disabled inactivity timeout on Z axis.
- Require rehoming after motors deactivate.

Marlin/Conditionals_LulzBot.h

@@ -13,7 +13,7 @@
  * got disabled.
  */
 
-#define LULZBOT_FW_VERSION ".50" // Change this with each update
+#define LULZBOT_FW_VERSION ".51" // Change this with each update
 
 #if ( \
     !defined(LULZBOT_Gladiola_Mini) && \
@@ -124,7 +124,7 @@
     #define LULZBOT_IS_MINI
     #define LULZBOT_MINI_BED
     #define LULZBOT_USE_EINSYRAMBO
-    #define LULZBOT_USE_EARLY_EINSY
+    #define LULZBOT_USE_EINSY_RETRO
     #define LULZBOT_TWO_PIECE_BED
     #define LULZBOT_USE_AUTOLEVELING
     #define LULZBOT_SENSORLESS_HOMING
@@ -142,7 +142,7 @@
     #define LULZBOT_IS_MINI
     #define LULZBOT_MINI_BED
     #define LULZBOT_USE_EINSYRAMBO
-    #define LULZBOT_USE_EARLY_EINSY
+    #define LULZBOT_USE_EINSY_RETRO
     #define LULZBOT_USE_LCD_DISPLAY
     #define LULZBOT_TWO_PIECE_BED
     #define LULZBOT_USE_AUTOLEVELING
@@ -379,6 +379,18 @@
     #define LULZBOT_AFTER_Z_HOME_ACTION
 #endif
 
+/************************ STEPPER INACTIVITY TIMEOUT ****************************/
+
+#if !defined(LULZBOT_USE_MAX_ENDSTOPS)
+    #define LULZBOT_HOME_AFTER_DEACTIVATE
+#endif
+
+#if defined(LULZBOT_USE_Z_BELT)
+    #define LULZBOT_DISABLE_INACTIVE_Z false
+#else
+    #define LULZBOT_DISABLE_INACTIVE_Z true
+#endif
+
 /*********************** AUTOLEVELING / BED PROBE *******************************/
 
 #if defined(LULZBOT_USE_AUTOLEVELING) && defined(LULZBOT_MINI_BED)
@@ -1178,8 +1190,11 @@
 #if defined(LULZBOT_USE_EINSYRAMBO)
     #define LULZBOT_HAVE_TMC2130
 
-    // EinsyRambo uses a 0.1 mOhm sense resistor
-    #define LULZBOT_R_SENSE         0.1
+    #if defined(LULZBOT_USE_EINSY_RETRO)
+        #define LULZBOT_R_SENSE         0.12
+    #else
+        #define LULZBOT_R_SENSE         0.1
+    #endif
 
     #define LULZBOT_HOLD_MULTIPLIER 0.5
 

Marlin/Configuration_adv.h

@@ -382,13 +382,13 @@
 #define DEFAULT_STEPPER_DEACTIVE_TIME 120
 #define DISABLE_INACTIVE_X true
 #define DISABLE_INACTIVE_Y true
-#define DISABLE_INACTIVE_Z true  // set to false if the nozzle will fall down on your printed part when print has finished.
+#define DISABLE_INACTIVE_Z LULZBOT_DISABLE_INACTIVE_Z  // set to false if the nozzle will fall down on your printed part when print has finished.
 #define DISABLE_INACTIVE_E true
 
 #define DEFAULT_MINIMUMFEEDRATE       0.0     // minimum feedrate
 #define DEFAULT_MINTRAVELFEEDRATE     0.0
 
-//#define HOME_AFTER_DEACTIVATE  // Require rehoming after steppers are deactivated
+#define HOME_AFTER_DEACTIVATE LULZBOT_HOME_AFTER_DEACTIVATE  // Require rehoming after steppers are deactivated
 
 // @section lcd
 

Marlin/pins_EINSYRAMBO.h

@@ -59,12 +59,18 @@
   #define BOARD_Y_MAX_PIN     24
   #define BOARD_Z_MAX_PIN     23
 #endif
+#if defined(LULZBOT_USE_EINSY_RETRO)
+  // Einsy Rambo Retro 0.0b
+  #define BOARD_X_MAX_PIN     81
+  #define BOARD_Y_MAX_PIN     57
+  #define BOARD_Z_MAX_PIN      7
+#endif
 
 //
 // Limit Switches
 //
 // EINY 0-.1 - EINSY 0.3 have MAX switches
-#if   defined(LULZBOT_USE_EARLY_EINSY) && defined(LULZBOT_SENSORLESS_HOMING)
+#if  (defined(LULZBOT_USE_EARLY_EINSY) || defined(LULZBOT_USE_EINSY_RETRO)) && defined(LULZBOT_SENSORLESS_HOMING)
   #define X_MIN_PIN          BOARD_X_DIAG_PIN
   #define Y_MIN_PIN          BOARD_Y_MIN_PIN
   #define X_MAX_PIN          BOARD_X_MAX_PIN
@@ -78,7 +84,7 @@
     #define Z_MAX_PIN          BOARD_Z_MAX_PIN
   #endif
 
-#elif defined(LULZBOT_USE_EARLY_EINSY)
+#elif (defined(LULZBOT_USE_EARLY_EINSY) || defined(LULZBOT_USE_EINSY_RETRO))
   #define X_MIN_PIN          BOARD_X_MIN_PIN
   #define Y_MIN_PIN          BOARD_Y_MIN_PIN
   #define Z_MIN_PIN          BOARD_Z_MIN_PIN
@@ -154,15 +160,15 @@
 // Temperature Sensors
 //
 #define TEMP_0_PIN          0   // Analog Input
-#define TEMP_1_PIN          1   // 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_1_PIN        7
-#define HEATER_2_PIN        6
+//#define HEATER_1_PIN        7
+//#define HEATER_2_PIN        6
 #define HEATER_BED_PIN      4
 
 #define FAN_PIN             8
@@ -171,8 +177,8 @@
 //
 // Misc. Functions
 //
-#if defined(LULZBOT_USE_EARLY_EINSY)
-  #define SDSS             53 // EINY 0-.1 - EINSY 0.3
+#if defined(LULZBOT_USE_EARLY_EINSY) || defined(LULZBOT_USE_EINSY_RETRO)
+  #define SDSS             53 // EINY 0-.1, EINSY 0.3, EinsyRetro
 #else
   #define SDSS             77 // EINSY 0.4
 #endif
@@ -191,8 +197,8 @@
     #define BEEPER_PIN     84
 
     #define LCD_PINS_RS    82
-    #if defined(LULZBOT_USE_EARLY_EINSY)
-      // EINY 0.1- EINSY-0.3
+    #if defined(LULZBOT_USE_EARLY_EINSY) || defined(LULZBOT_USE_EINSY_RETRO)
+      // EINY 0.1, EINSY-0.3, EinsyRetro
       #define LCD_PINS_ENABLE 18
       #define LCD_PINS_D4     19
     #else