From 7f3c7398e429b93d93730b19de15213350e81694 Mon Sep 17 00:00:00 2001
From: Marcio Teixeira <marcio@alephobjects.com>
Date: Mon, 7 Aug 2017 10:42:36 -0600
Subject: [PATCH] Swapped extruder pins in Yellowfin.

- Swapped the extruders in Yellowfin so the first extruder is on the left.
---
 Marlin/Conditionals_LulzBot.h |  5 +++--
 Marlin/pins_RAMBO.h           | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/Marlin/Conditionals_LulzBot.h b/Marlin/Conditionals_LulzBot.h
index 92134414e..a65ebed25 100644
--- a/Marlin/Conditionals_LulzBot.h
+++ b/Marlin/Conditionals_LulzBot.h
@@ -523,8 +523,9 @@
     #undef  LULZBOT_X_MAX_POS
     #define LULZBOT_X_MAX_POS                      290
     #define LULZBOT_X_MAX_ENDSTOP_INVERTING       false
-    #undef  LULZBOT_INVERT_E0_DIR
-    #define LULZBOT_INVERT_E0_DIR                 false
+    #define LULZBOT_SWAP_EXTRUDERS
+    #undef  LULZBOT_INVERT_E1_DIR
+    #define LULZBOT_INVERT_E1_DIR                 false
     #define LULZBOT_AO_Hexagon
 #endif /* TOOLHEAD_Yellowfin_DualExtruder */
 
diff --git a/Marlin/pins_RAMBO.h b/Marlin/pins_RAMBO.h
index 8e5185532..6aec9be8f 100644
--- a/Marlin/pins_RAMBO.h
+++ b/Marlin/pins_RAMBO.h
@@ -88,6 +88,15 @@
 #define Z_DIR_PIN          47
 #define Z_ENABLE_PIN       27
 
+#if defined(LULZBOT_SWAP_EXTRUDERS)
+#define E0_STEP_PIN        33
+#define E0_DIR_PIN         42
+#define E0_ENABLE_PIN      25
+
+#define E1_STEP_PIN        34
+#define E1_DIR_PIN         43
+#define E1_ENABLE_PIN      26
+#else
 #define E0_STEP_PIN        34
 #define E0_DIR_PIN         43
 #define E0_ENABLE_PIN      26
@@ -95,6 +104,7 @@
 #define E1_STEP_PIN        33
 #define E1_DIR_PIN         42
 #define E1_ENABLE_PIN      25
+#endif
 
 // Microstepping pins - Mapping not from fastio.h (?)
 #define X_MS1_PIN          40
@@ -103,26 +113,50 @@
 #define Y_MS2_PIN          39
 #define Z_MS1_PIN          68
 #define Z_MS2_PIN          67
+
+#if defined(LULZBOT_SWAP_EXTRUDERS)
+#define E0_MS1_PIN         63
+#define E0_MS2_PIN         64
+#define E1_MS1_PIN         65
+#define E1_MS2_PIN         66
+#else
 #define E0_MS1_PIN         65
 #define E0_MS2_PIN         66
 #define E1_MS1_PIN         63
 #define E1_MS2_PIN         64
+#endif
 
 #define DIGIPOTSS_PIN      38
+#if defined(LULZBOT_SWAP_EXTRUDERS)
+#define DIGIPOT_CHANNELS {4,5,3,1,0} // X Y Z E0 E1 digipot channels to stepper driver mapping
+#else
 #define DIGIPOT_CHANNELS {4,5,3,0,1} // X Y Z E0 E1 digipot channels to stepper driver mapping
+#endif
 
 //
 // Temperature Sensors
 //
+#if defined(LULZBOT_SWAP_EXTRUDERS)
+#define TEMP_0_PIN          1   // Analog Input
+#define TEMP_1_PIN          0   // Analog Input
+#else
 #define TEMP_0_PIN          0   // Analog Input
 #define TEMP_1_PIN          1   // Analog Input
+#endif
 #define TEMP_BED_PIN        2   // Analog Input
 
 //
 // Heaters / Fans
 //
+
+#if defined(LULZBOT_SWAP_EXTRUDERS)
+#define HEATER_0_PIN        7
+#define HEATER_1_PIN        9
+#else
 #define HEATER_0_PIN        9
 #define HEATER_1_PIN        7
+#endif
+
 #define HEATER_2_PIN        6
 #define HEATER_BED_PIN      3
 
@@ -133,6 +167,7 @@
   #define FAN_PIN           8
   //#define FAN1_PIN          6
 #endif
+
 #define FAN2_PIN            2
 
 //