MarlinFirmware · thinkyhead · May 19, 2016 · May 17, 2016
diff --git a/.travis.yml b/.travis.yml
@@ -107,7 +107,7 @@ script:
   # Test DUAL_X_CARRIAGE
   #
   - restore_configs
-  - opt_set MOTHERBOARD BOARD_RAMPS_14_EEB
+  - opt_set MOTHERBOARD BOARD_RUMBA
   - opt_set EXTRUDERS 2
   - opt_set TEMP_SENSOR_1 1
   - opt_enable USE_XMAX_PLUG

diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/Felix/Configuration_adv.h b/Marlin/example_configurations/Felix/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/Hephestos/Configuration_adv.h b/Marlin/example_configurations/Hephestos/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/Hephestos_2/Configuration_adv.h b/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/K8200/Configuration_adv.h b/Marlin/example_configurations/K8200/Configuration_adv.h
@@ -233,7 +233,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -248,11 +248,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/RigidBot/Configuration_adv.h b/Marlin/example_configurations/RigidBot/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/SCARA/Configuration_adv.h b/Marlin/example_configurations/SCARA/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/TAZ4/Configuration_adv.h b/Marlin/example_configurations/TAZ4/Configuration_adv.h
@@ -235,7 +235,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -250,11 +250,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/WITBOX/Configuration_adv.h b/Marlin/example_configurations/WITBOX/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h b/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/delta/generic/Configuration_adv.h b/Marlin/example_configurations/delta/generic/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
@@ -232,7 +232,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -247,11 +247,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/makibox/Configuration_adv.h b/Marlin/example_configurations/makibox/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h b/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
@@ -227,7 +227,7 @@
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which
 // prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
-// allowing faster printing speeds.
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
 //#define DUAL_X_CARRIAGE
 #if ENABLED(DUAL_X_CARRIAGE)
   // Configuration for second X-carriage
@@ -242,11 +242,6 @@
       // without modifying the firmware (through the "M218 T1 X???" command).
       // Remember: you should set the second extruder x-offset to 0 in your slicer.
 
-  // Pins for second x-carriage stepper driver (defined here to avoid further complicating pins.h)
-  #define X2_ENABLE_PIN 29
-  #define X2_STEP_PIN 25
-  #define X2_DIR_PIN 23
-
   // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
   //    Mode 0: Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
   //                           as long as it supports dual x-carriages. (M605 S0)

diff --git a/Marlin/macros.h b/Marlin/macros.h
@@ -55,6 +55,32 @@
 #define NUMERIC_SIGNED(a) (NUMERIC(a) || (a) == '-')
 #define COUNT(a) (sizeof(a)/sizeof(*a))
 
+// Macros for adding
+#define INC_0 1
+#define INC_1 2
+#define INC_2 3
+#define INC_3 4
+#define INC_4 5
+#define INC_5 6
+#define INC_6 7
+#define INC_7 8
+#define INC_8 9
+#define INCREMENT_(n) INC_ ##n
+#define INCREMENT(n) INCREMENT_(n)
+
+// Macros for subtracting
+#define DEC_1 0
+#define DEC_2 1
+#define DEC_3 2
+#define DEC_4 3
+#define DEC_5 4
+#define DEC_6 5
+#define DEC_7 6
+#define DEC_8 7
+#define DEC_9 8
+#define DECREMENT_(n) DEC_ ##n
+#define DECREMENT(n) DECREMENT_(n)
+
 #define PIN_EXISTS(PN) (defined(PN ##_PIN) && PN ##_PIN >= 0)
 
 #define PENDING(NOW,SOON) ((long)(NOW-(SOON))<0)