Merge Dual Y&Z towers (PR#108 & PR#147)

Marlin/Configuration_adv.h

@@ -144,10 +144,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -161,8 +157,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/configurator/config/Configuration_adv.h

@@ -144,10 +144,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -161,8 +157,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/Felix/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/Hephestos/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/K8200/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/RigidBot/Configuration_adv.h

@@ -144,10 +144,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -161,8 +157,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/SCARA/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/TAZ4/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/WITBOX/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/delta/biv2.5/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/delta/generic/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

@@ -40,15 +40,6 @@
   #define THERMAL_PROTECTION_BED_HYSTERESIS 2 // Degrees Celsius
 #endif
 
-#if ENABLED(PIDTEMP)
-  // this adds an experimental additional term to the heating power, proportional to the extrusion speed.
-  // if Kc is chosen well, the additional required power due to increased melting should be compensated.
-  #define PID_ADD_EXTRUSION_RATE
-  #if ENABLED(PID_ADD_EXTRUSION_RATE)
-    #define  DEFAULT_Kc (1) //heating power=Kc*(e_speed)
-  #endif
-#endif
-
 /**
  * Automatic Temperature:
  * The hotend target temperature is calculated by all the buffered lines of gcode.
@@ -59,6 +50,23 @@
  * Also, if the temperature is set to a value below mintemp, it will not be changed by autotemp.
  * On an Ultimaker, some initial testing worked with M109 S215 B260 F1 in the start.gcode
  */
+#if ENABLED(PIDTEMP)
+  // this adds an experimental additional term to the heating power, proportional to the extrusion speed.
+  // if Kc is chosen well, the additional required power due to increased melting should be compensated.
+  #define PID_ADD_EXTRUSION_RATE
+  #if ENABLED(PID_ADD_EXTRUSION_RATE)
+    #define  DEFAULT_Kc (1) //heating power=Kc*(e_speed)
+  #endif
+#endif
+
+
+//automatic temperature: The hot end target temperature is calculated by all the buffered lines of gcode.
+//The maximum buffered steps/sec of the extruder motor are called "se".
+//You enter the autotemp mode by a M109 S<mintemp> B<maxtemp> F<factor>
+// the target temperature is set to mintemp+factor*se[steps/sec] and limited by mintemp and maxtemp
+// you exit the value by any M109 without F*
+// Also, if the temperature is set to a value <mintemp, it is not changed by autotemp.
+// on an Ultimaker, some initial testing worked with M109 S215 B260 F1 in the start.gcode
 #define AUTOTEMP
 #if ENABLED(AUTOTEMP)
   #define AUTOTEMP_OLDWEIGHT 0.98
@@ -128,53 +136,6 @@
 
 // @section extras
 
-//// AUTOSET LOCATIONS OF LIMIT SWITCHES
-//// Added by ZetaPhoenix 09-15-2012
-#if ENABLED(MANUAL_HOME_POSITIONS)  // Use manual limit switch locations
-  #define X_HOME_POS MANUAL_X_HOME_POS
-  #define Y_HOME_POS MANUAL_Y_HOME_POS
-  #define Z_HOME_POS MANUAL_Z_HOME_POS
-#else //Set min/max homing switch positions based upon homing direction and min/max travel limits
-  //X axis
-  #if X_HOME_DIR == -1
-    #if ENABLED(BED_CENTER_AT_0_0)
-      #define X_HOME_POS X_MAX_LENGTH * -0.5
-    #else
-      #define X_HOME_POS X_MIN_POS
-    #endif //BED_CENTER_AT_0_0
-  #else
-    #if ENABLED(BED_CENTER_AT_0_0)
-      #define X_HOME_POS X_MAX_LENGTH * 0.5
-    #else
-      #define X_HOME_POS X_MAX_POS
-    #endif //BED_CENTER_AT_0_0
-  #endif //X_HOME_DIR == -1
-
-  //Y axis
-  #if Y_HOME_DIR == -1
-    #if ENABLED(BED_CENTER_AT_0_0)
-      #define Y_HOME_POS Y_MAX_LENGTH * -0.5
-    #else
-      #define Y_HOME_POS Y_MIN_POS
-    #endif //BED_CENTER_AT_0_0
-  #else
-    #if ENABLED(BED_CENTER_AT_0_0)
-      #define Y_HOME_POS Y_MAX_LENGTH * 0.5
-    #else
-      #define Y_HOME_POS Y_MAX_POS
-    #endif //BED_CENTER_AT_0_0
-  #endif //Y_HOME_DIR == -1
-
-  // Z axis
-  #if Z_HOME_DIR == -1 //BED_CENTER_AT_0_0 not used
-    #define Z_HOME_POS Z_MIN_POS
-  #else
-    #define Z_HOME_POS Z_MAX_POS
-  #endif //Z_HOME_DIR == -1
-#endif //End auto min/max positions
-//END AUTOSET LOCATIONS OF LIMIT SWITCHES -ZP
-
-
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
 // A single Z stepper driver is usually used to drive 2 stepper motors.
@@ -185,23 +146,32 @@
 //#define Z_DUAL_STEPPER_DRIVERS
 
 #if ENABLED(Z_DUAL_STEPPER_DRIVERS)
-  #undef EXTRUDERS
-  #define EXTRUDERS 1
-#endif
+
+  // Z_DUAL_ENDSTOPS is a feature to enable the use of 2 endstops for both Z steppers - Let's call them Z stepper and Z2 stepper.
+  // That way the machine is capable to align the bed during home, since both Z steppers are homed. 
+  // There is also an implementation of M666 (software endstops adjustment) to this feature.
+  // After Z homing, this adjustment is applied to just one of the steppers in order to align the bed.
+  // One just need to home the Z axis and measure the distance difference between both Z axis and apply the math: Z adjust = Z - Z2.
+  // If the Z stepper axis is closer to the bed, the measure Z > Z2 (yes, it is.. think about it) and the Z adjust would be positive.
+  // Play a little bit with small adjustments (0.5mm) and check the behaviour.
+  // The M119 (endstops report) will start reporting the Z2 Endstop as well.
+
+  // #define Z_DUAL_ENDSTOPS
+
+  #if ENABLED(Z_DUAL_ENDSTOPS)
+    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
+    const bool Z2_MAX_ENDSTOP_INVERTING = false;
+    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+  #endif
+
+#endif // Z_DUAL_STEPPER_DRIVERS
 
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
-
 #if ENABLED(Y_DUAL_STEPPER_DRIVERS)
-  #undef EXTRUDERS
-  #define EXTRUDERS 1
-#endif
-
-#if defined (Z_DUAL_STEPPER_DRIVERS) && defined (Y_DUAL_STEPPER_DRIVERS)
-  #error "You cannot have dual drivers for both Y and Z"
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
 #endif
 
 // Enable this for dual x-carriage printers.
@@ -266,11 +236,6 @@
 
 // @section machine
 
-#if ENABLED(CONFIG_STEPPERS_TOSHIBA)
-#define MAX_STEP_FREQUENCY 10000 // Max step frequency for Toshiba Stepper Controllers
-#else
-#define MAX_STEP_FREQUENCY 40000 // Max step frequency for Ultimaker (5000 pps / half step)
-#endif
 //By default pololu step drivers require an active high signal. However, some high power drivers require an active low signal as step.
 #define INVERT_X_STEP_PIN false
 #define INVERT_Y_STEP_PIN false
@@ -296,7 +261,6 @@
 #define DEFAULT_MINSEGMENTTIME        20000
 
 // If defined the movements slow down when the look ahead buffer is only half full
-// (don't use SLOWDOWN with DELTA because DELTA generates hundreds of segments per second)
 //#define SLOWDOWN
 
 // Frequency limit
@@ -309,13 +273,6 @@
 // if unwanted behavior is observed on a user's machine when running at very slow speeds.
 #define MINIMUM_PLANNER_SPEED 0.05// (mm/sec)
 
-// MS1 MS2 Stepper Driver Microstepping mode table
-#define MICROSTEP1 LOW,LOW
-#define MICROSTEP2 HIGH,LOW
-#define MICROSTEP4 LOW,HIGH
-#define MICROSTEP8 HIGH,HIGH
-#define MICROSTEP16 HIGH,HIGH
-
 // Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
 #define MICROSTEP_MODES {16,16,16,16,16} // [1,2,4,8,16]
 
@@ -333,6 +290,10 @@
 //=============================Additional Features===========================
 //===========================================================================
 
+#define ENCODER_RATE_MULTIPLIER         // If defined, certain menu edit operations automatically multiply the steps when the encoder is moved quickly
+#define ENCODER_10X_STEPS_PER_SEC 75    // If the encoder steps per sec exceeds this value, multiply steps moved x10 to quickly advance the value
+#define ENCODER_100X_STEPS_PER_SEC 160  // If the encoder steps per sec exceeds this value, multiply steps moved x100 to really quickly advance the value
+
 //#define CHDK 4        //Pin for triggering CHDK to take a picture see how to use it here http://captain-slow.dk/2014/03/09/3d-printing-timelapses/
 #define CHDK_DELAY 50 //How long in ms the pin should stay HIGH before going LOW again
 
@@ -391,6 +352,7 @@
   //#define USE_SMALL_INFOFONT
 #endif // DOGLCD
 
+
 // @section more
 
 // The hardware watchdog should reset the microcontroller disabling all outputs, in case the firmware gets stuck and doesn't do temperature regulation.
@@ -413,18 +375,9 @@
   #define BABYSTEP_XY  //not only z, but also XY in the menu. more clutter, more functions
   #define BABYSTEP_INVERT_Z false  //true for inverse movements in Z
   #define BABYSTEP_Z_MULTIPLICATOR 2 //faster z movements
+#endif
 
 // @section extruder
-  #if ENABLED(COREXY)
-    #error BABYSTEPPING not implemented for COREXY yet.
-  #endif
-
-  #if ENABLED(DELTA)
-    #if ENABLED(BABYSTEP_XY)
-      #error BABYSTEPPING only implemented for Z axis on deltabots.
-    #endif
-  #endif
-#endif
 
 // extruder advance constant (s2/mm3)
 //
@@ -437,14 +390,11 @@
 
 #if ENABLED(ADVANCE)
   #define EXTRUDER_ADVANCE_K .0
-
   #define D_FILAMENT 2.85
   #define STEPS_MM_E 836
-  #define EXTRUSION_AREA (0.25 * D_FILAMENT * D_FILAMENT * 3.14159)
-  #define STEPS_PER_CUBIC_MM_E (axis_steps_per_unit[E_AXIS]/ EXTRUSION_AREA)
+#endif
 
 // @section extras
-#endif // ADVANCE
 
 // Arc interpretation settings:
 #define MM_PER_ARC_SEGMENT 1
@@ -452,25 +402,7 @@
 
 const unsigned int dropsegments=5; //everything with less than this number of steps will be ignored as move and joined with the next movement
 
-#if ENABLED(ULTIPANEL)
- #undef SD_DETECT_INVERTED
-#endif
-
-// Power Signal Control Definitions
-// By default use ATX definition
-#ifndef POWER_SUPPLY
-  #define POWER_SUPPLY 1
-#endif
-// 1 = ATX
-#if (POWER_SUPPLY == 1)
-  #define PS_ON_AWAKE  LOW
-  #define PS_ON_ASLEEP HIGH
-#endif
-// 2 = X-Box 360 203W
-#if (POWER_SUPPLY == 2)
-  #define PS_ON_AWAKE  HIGH
-  #define PS_ON_ASLEEP LOW
-#endif
+// @section temperature
 
 // Control heater 0 and heater 1 in parallel.
 //#define HEATERS_PARALLEL
@@ -483,10 +415,10 @@ const unsigned int dropsegments=5; //everything with less than this number of st
 
 // The number of linear motions that can be in the plan at any give time.
 // THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
-#if defined SDSUPPORT
+#if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16   // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else
-  #define BLOCK_BUFFER_SIZE 64 // maximize block buffer
+  #define BLOCK_BUFFER_SIZE 16 // maximize block buffer
 #endif
 
 // @section more
@@ -526,7 +458,7 @@ const unsigned int dropsegments=5; //everything with less than this number of st
 
 // Add support for experimental filament exchange support M600; requires display
 #if ENABLED(ULTIPANEL)
-  #define FILAMENTCHANGEENABLE
+  //#define FILAMENTCHANGEENABLE
   #if ENABLED(FILAMENTCHANGEENABLE)
     #define FILAMENTCHANGE_XPOS 3
     #define FILAMENTCHANGE_YPOS 3
@@ -598,69 +530,79 @@ const unsigned int dropsegments=5; //everything with less than this number of st
 
 #endif
 
-#if ENABLED(FILAMENTCHANGEENABLE)
-  #if ENABLED(EXTRUDER_RUNOUT_PREVENT)
-    #error EXTRUDER_RUNOUT_PREVENT currently incompatible with FILAMENTCHANGE
-  #endif
-#endif
+/******************************************************************************\
+ * enable this section if you have L6470  motor drivers. 
+ * you need to import the L6470 library into the arduino IDE for this
+ ******************************************************************************/
 
-//===========================================================================
-//=============================  Define Defines  ============================
-//===========================================================================
-#if EXTRUDERS > 1 && defined TEMP_SENSOR_1_AS_REDUNDANT
-  #error "You cannot use TEMP_SENSOR_1_AS_REDUNDANT if EXTRUDERS > 1"
-#endif
+// @section l6470
 
-#if EXTRUDERS > 1 && defined HEATERS_PARALLEL
-  #error "You cannot use HEATERS_PARALLEL if EXTRUDERS > 1"
-#endif
+//#define HAVE_L6470DRIVER
+#if ENABLED(HAVE_L6470DRIVER)
 
-#if TEMP_SENSOR_0 > 0
-  #define THERMISTORHEATER_0 TEMP_SENSOR_0
-  #define HEATER_0_USES_THERMISTOR
-#endif
-#if TEMP_SENSOR_1 > 0
-  #define THERMISTORHEATER_1 TEMP_SENSOR_1
-  #define HEATER_1_USES_THERMISTOR
-#endif
-#if TEMP_SENSOR_2 > 0
-  #define THERMISTORHEATER_2 TEMP_SENSOR_2
-  #define HEATER_2_USES_THERMISTOR
-#endif
-#if TEMP_SENSOR_BED > 0
-  #define THERMISTORBED TEMP_SENSOR_BED
-  #define BED_USES_THERMISTOR
-#endif
-#if TEMP_SENSOR_0 == -1
-  #define HEATER_0_USES_AD595
-#endif
-#if TEMP_SENSOR_1 == -1
-  #define HEATER_1_USES_AD595
-#endif
-#if TEMP_SENSOR_2 == -1
-  #define HEATER_2_USES_AD595
-#endif
-#if TEMP_SENSOR_BED == -1
-  #define BED_USES_AD595
-#endif
-#if TEMP_SENSOR_0 == -2
-  #define HEATER_0_USES_MAX6675
-#endif
-#if TEMP_SENSOR_0 == 0
-  #undef HEATER_0_MINTEMP
-  #undef HEATER_0_MAXTEMP
-#endif
-#if TEMP_SENSOR_1 == 0
-  #undef HEATER_1_MINTEMP
-  #undef HEATER_1_MAXTEMP
-#endif
-#if TEMP_SENSOR_2 == 0
-  #undef HEATER_2_MINTEMP
-  #undef HEATER_2_MAXTEMP
-#endif
-#if TEMP_SENSOR_BED == 0
-  #undef BED_MINTEMP
-  #undef BED_MAXTEMP
+//  #define X_IS_L6470
+  #define X_MICROSTEPS 16     //number of microsteps
+  #define X_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define X_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define X_STALLCURRENT 1500 //current in mA where the driver will detect a stall
+  
+//  #define X2_IS_L6470
+  #define X2_MICROSTEPS 16     //number of microsteps
+  #define X2_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define X2_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define X2_STALLCURRENT 1500 //current in mA where the driver will detect a stall
+  
+//  #define Y_IS_L6470
+  #define Y_MICROSTEPS 16     //number of microsteps
+  #define Y_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define Y_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define Y_STALLCURRENT 1500 //current in mA where the driver will detect a stall
+  
+//  #define Y2_IS_L6470
+  #define Y2_MICROSTEPS 16     //number of microsteps 
+  #define Y2_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define Y2_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define Y2_STALLCURRENT 1500 //current in mA where the driver will detect a stall 
+  
+//  #define Z_IS_L6470
+  #define Z_MICROSTEPS 16     //number of microsteps
+  #define Z_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define Z_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define Z_STALLCURRENT 1500 //current in mA where the driver will detect a stall
+  
+//  #define Z2_IS_L6470
+  #define Z2_MICROSTEPS 16     //number of microsteps
+  #define Z2_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define Z2_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define Z2_STALLCURRENT 1500 //current in mA where the driver will detect a stall
+  
+//  #define E0_IS_L6470
+  #define E0_MICROSTEPS 16     //number of microsteps
+  #define E0_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define E0_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define E0_STALLCURRENT 1500 //current in mA where the driver will detect a stall
+  
+//  #define E1_IS_L6470
+  #define E1_MICROSTEPS 16     //number of microsteps 
+  #define E1_MICROSTEPS 16     //number of microsteps
+  #define E1_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define E1_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define E1_STALLCURRENT 1500 //current in mA where the driver will detect a stall
+  
+//  #define E2_IS_L6470
+  #define E2_MICROSTEPS 16     //number of microsteps 
+  #define E2_MICROSTEPS 16     //number of microsteps
+  #define E2_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define E2_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define E2_STALLCURRENT 1500 //current in mA where the driver will detect a stall
+  
+//  #define E3_IS_L6470
+  #define E3_MICROSTEPS 16     //number of microsteps   
+  #define E3_MICROSTEPS 16     //number of microsteps
+  #define E3_K_VAL 50          // 0 - 255, Higher values, are higher power. Be carefull not to go too high    
+  #define E3_OVERCURRENT 2000  //maxc current in mA. If the current goes over this value, the driver will switch off
+  #define E3_STALLCURRENT 1500 //current in mA where the driver will detect a stall
+  
 #endif
 
 #include "Conditionals.h"

Marlin/example_configurations/makibox/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

@@ -152,10 +152,6 @@
   // Play a little bit with small adjustments (0.5mm) and check the behaviour.
   // The M119 (endstops report) will start reporting the Z2 Endstop as well.
 
-  #define Z2_STEP_PIN E2_STEP_PIN           // Stepper to be used to Z2 axis.
-  #define Z2_DIR_PIN E2_DIR_PIN
-  #define Z2_ENABLE_PIN E2_ENABLE_PIN
-
   // #define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -169,8 +165,10 @@
 // Same again but for Y Axis.
 //#define Y_DUAL_STEPPER_DRIVERS
 
-// Define if the two Y drives need to rotate in opposite directions
-#define INVERT_Y2_VS_Y_DIR true
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Define if the two Y drives need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
 
 // Enable this for dual x-carriage printers.
 // A dual x-carriage design has the advantage that the inactive extruder can be parked which

Marlin/pins.h

@@ -143,6 +143,9 @@
       #define _E3_PINS E3_STEP_PIN, E3_DIR_PIN, E3_ENABLE_PIN, HEATER_3_PIN, analogInputToDigitalPin(TEMP_3_PIN),
     #endif
   #endif
+#elif ENABLED(Y_DUAL_STEPPER_DRIVERS) || ENABLED(Z_DUAL_STEPPER_DRIVERS)
+  #undef _E1_PINS
+  #define _E1_PINS E1_STEP_PIN, E1_DIR_PIN, E1_ENABLE_PIN,
 #endif
 
 #ifdef X_STOP_PIN
@@ -227,6 +230,18 @@
   #define Z_MIN_PIN          -1
 #endif
 
+#ifndef Y2_STEP_PIN
+  #define Y2_STEP_PIN      E1_STEP_PIN
+  #define Y2_DIR_PIN       E1_DIR_PIN
+  #define Y2_ENABLE_PIN    E1_ENABLE_PIN
+#endif
+
+#ifndef Z2_STEP_PIN
+  #define Z2_STEP_PIN      E1_STEP_PIN
+  #define Z2_DIR_PIN       E1_DIR_PIN
+  #define Z2_ENABLE_PIN    E1_ENABLE_PIN
+#endif
+
 #define SENSITIVE_PINS { 0, 1, \
                         X_STEP_PIN, X_DIR_PIN, X_ENABLE_PIN, X_MIN_PIN, X_MAX_PIN, \
                         Y_STEP_PIN, Y_DIR_PIN, Y_ENABLE_PIN, Y_MIN_PIN, Y_MAX_PIN, \

Marlin/pins_LEAPFROG.h

@@ -32,14 +32,6 @@
 #define E1_DIR_PIN          40 //40
 #define E1_ENABLE_PIN       36 //36
 
-#define Y2_STEP_PIN         37
-#define Y2_DIR_PIN          40
-#define Y2_ENABLE_PIN       36
-
-#define Z2_STEP_PIN         37
-#define Z2_DIR_PIN          40
-#define Z2_ENABLE_PIN       36
-
 #define SDPOWER            -1
 #define SDSS               11
 #define SD_DETECT_PIN      -1 // 10 optional also used as mode pin

Marlin/pins_RAMPS_13.h

@@ -42,18 +42,6 @@
 #define Z_MAX_PIN          19
 #define Z_MIN_PROBE_PIN    -1
 
-#define Y2_STEP_PIN        36
-#define Y2_DIR_PIN         34
-#define Y2_ENABLE_PIN      30
-
-#undef Z2_STEP_PIN
-#undef Z2_DIR_PIN
-#undef Z2_ENABLE_PIN
-
-#define Z2_STEP_PIN        36
-#define Z2_DIR_PIN         34
-#define Z2_ENABLE_PIN      30
-
 #define E0_STEP_PIN        26
 #define E0_DIR_PIN         28
 #define E0_ENABLE_PIN      24