Merge branch 'Development-Marlin' into Development

Conflicts:
	Marlin/Configuration.h
	Marlin/Marlin_main.cpp

.gitignore

@@ -1,3 +1,12 @@
+// Our automatic versioning scheme generates the following file
+// NEVER put it in the repository
+_Version.h
+
+// All of the following OS, IDE and compiler generated file
+// references should be moved from this file
+// They are needed, but they belong in your global .gitignore
+// rather than in a per-project file such as this
+
 *.o
 applet/
 *~

ArduinoAddons/Arduino_1.5.x/hardware/marlin/avr/platform.local.txt

@@ -0,0 +1 @@
+compiler.cpp.extra_flags=-DHAS_AUTOMATIC_VERSIONING

Marlin/Conditionals.h

@@ -10,6 +10,8 @@
 
 #ifndef CONFIGURATION_LCD // Get the LCD defines which are needed first
 
+  #define PIN_EXISTS(PN) (defined(PN##_PIN) && PN##_PIN >= 0)
+
   #define CONFIGURATION_LCD
 
   #if defined(MAKRPANEL)
@@ -189,6 +191,9 @@
       #define ENDSTOPPULLUP_YMIN
       #define ENDSTOPPULLUP_ZMIN
     #endif
+    #ifndef DISABLE_Z_PROBE_ENDSTOP
+      #define ENDSTOPPULLUP_ZPROBE
+    #endif
   #endif
 
   /**
@@ -276,7 +281,7 @@
     #define PS_ON_AWAKE  HIGH
     #define PS_ON_ASLEEP LOW
   #endif
-  #define HAS_POWER_SWITCH (POWER_SUPPLY > 0 && defined(PS_ON_PIN) && PS_ON_PIN >= 0)
+  #define HAS_POWER_SWITCH (POWER_SUPPLY > 0 && PIN_EXISTS(PS_ON))
 
   /**
    * Temp Sensor defines
@@ -347,25 +352,81 @@
   #endif
 
   /**
-   * Shorthand for pin tests, for temperature.cpp
+   * Shorthand for pin tests, used wherever needed
    */
-  #define HAS_TEMP_0 (defined(TEMP_0_PIN) && TEMP_0_PIN >= 0 && TEMP_SENSOR_0 != 0 && TEMP_SENSOR_0 != -2)
+  #define HAS_TEMP_0 (PIN_EXISTS(TEMP_0) && TEMP_SENSOR_0 != 0 && TEMP_SENSOR_0 != -2)
-  #define HAS_TEMP_1 (defined(TEMP_1_PIN) && TEMP_1_PIN >= 0 && TEMP_SENSOR_1 != 0)
+  #define HAS_TEMP_1 (PIN_EXISTS(TEMP_1) && TEMP_SENSOR_1 != 0)
-  #define HAS_TEMP_2 (defined(TEMP_2_PIN) && TEMP_2_PIN >= 0 && TEMP_SENSOR_2 != 0)
+  #define HAS_TEMP_2 (PIN_EXISTS(TEMP_2) && TEMP_SENSOR_2 != 0)
-  #define HAS_TEMP_3 (defined(TEMP_3_PIN) && TEMP_3_PIN >= 0 && TEMP_SENSOR_3 != 0)
+  #define HAS_TEMP_3 (PIN_EXISTS(TEMP_3) && TEMP_SENSOR_3 != 0)
-  #define HAS_TEMP_BED (defined(TEMP_BED_PIN) && TEMP_BED_PIN >= 0 && TEMP_SENSOR_BED != 0)
+  #define HAS_TEMP_BED (PIN_EXISTS(TEMP_BED) && TEMP_SENSOR_BED != 0)
-  #define HAS_FILAMENT_SENSOR (defined(FILAMENT_SENSOR) && defined(FILWIDTH_PIN) && FILWIDTH_PIN >= 0)
+  #define HAS_HEATER_0 (PIN_EXISTS(HEATER_0))
-  #define HAS_HEATER_0 (defined(HEATER_0_PIN) && HEATER_0_PIN >= 0)
+  #define HAS_HEATER_1 (PIN_EXISTS(HEATER_1))
-  #define HAS_HEATER_1 (defined(HEATER_1_PIN) && HEATER_1_PIN >= 0)
+  #define HAS_HEATER_2 (PIN_EXISTS(HEATER_2))
-  #define HAS_HEATER_2 (defined(HEATER_2_PIN) && HEATER_2_PIN >= 0)
+  #define HAS_HEATER_3 (PIN_EXISTS(HEATER_3))
-  #define HAS_HEATER_3 (defined(HEATER_3_PIN) && HEATER_3_PIN >= 0)
+  #define HAS_HEATER_BED (PIN_EXISTS(HEATER_BED))
-  #define HAS_HEATER_BED (defined(HEATER_BED_PIN) && HEATER_BED_PIN >= 0)
+  #define HAS_AUTO_FAN_0 (PIN_EXISTS(EXTRUDER_0_AUTO_FAN))
-  #define HAS_AUTO_FAN_0 (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN >= 0)
+  #define HAS_AUTO_FAN_1 (PIN_EXISTS(EXTRUDER_1_AUTO_FAN))
-  #define HAS_AUTO_FAN_1 (defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN >= 0)
+  #define HAS_AUTO_FAN_2 (PIN_EXISTS(EXTRUDER_2_AUTO_FAN))
-  #define HAS_AUTO_FAN_2 (defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN >= 0)
+  #define HAS_AUTO_FAN_3 (PIN_EXISTS(EXTRUDER_3_AUTO_FAN))
-  #define HAS_AUTO_FAN_3 (defined(EXTRUDER_3_AUTO_FAN_PIN) && EXTRUDER_3_AUTO_FAN_PIN >= 0)
   #define HAS_AUTO_FAN (HAS_AUTO_FAN_0 || HAS_AUTO_FAN_1 || HAS_AUTO_FAN_2 || HAS_AUTO_FAN_3)
-  #define HAS_FAN (defined(FAN_PIN) && FAN_PIN >= 0)
+  #define HAS_FAN (PIN_EXISTS(FAN))
+  #define HAS_CONTROLLERFAN (PIN_EXISTS(CONTROLLERFAN))
+  #define HAS_SERVO_0 (PIN_EXISTS(SERVO0))
+  #define HAS_SERVO_1 (PIN_EXISTS(SERVO1))
+  #define HAS_SERVO_2 (PIN_EXISTS(SERVO2))
+  #define HAS_SERVO_3 (PIN_EXISTS(SERVO3))
+  #define HAS_FILAMENT_SENSOR (defined(FILAMENT_SENSOR) && PIN_EXISTS(FILWIDTH))
+  #define HAS_FILRUNOUT (PIN_EXISTS(FILRUNOUT))
+  #define HAS_HOME (PIN_EXISTS(HOME))
+  #define HAS_KILL (PIN_EXISTS(KILL))
+  #define HAS_SUICIDE (PIN_EXISTS(SUICIDE))
+  #define HAS_PHOTOGRAPH (PIN_EXISTS(PHOTOGRAPH))
+  #define HAS_X_MIN (PIN_EXISTS(X_MIN))
+  #define HAS_X_MAX (PIN_EXISTS(X_MAX))
+  #define HAS_Y_MIN (PIN_EXISTS(Y_MIN))
+  #define HAS_Y_MAX (PIN_EXISTS(Y_MAX))
+  #define HAS_Z_MIN (PIN_EXISTS(Z_MIN))
+  #define HAS_Z_MAX (PIN_EXISTS(Z_MAX))
+  #define HAS_Z2_MIN (PIN_EXISTS(Z2_MIN))
+  #define HAS_Z2_MAX (PIN_EXISTS(Z2_MAX))
+  #define HAS_Z_PROBE (PIN_EXISTS(Z_PROBE))
+  #define HAS_SOLENOID_1 (PIN_EXISTS(SOL1))
+  #define HAS_SOLENOID_2 (PIN_EXISTS(SOL2))
+  #define HAS_SOLENOID_3 (PIN_EXISTS(SOL3))
+  #define HAS_MICROSTEPS (PIN_EXISTS(X_MS1))
+  #define HAS_MICROSTEPS_E0 (PIN_EXISTS(E0_MS1))
+  #define HAS_MICROSTEPS_E1 (PIN_EXISTS(E1_MS1))
+  #define HAS_MICROSTEPS_E2 (PIN_EXISTS(E2_MS1))
+  #define HAS_X_ENABLE (PIN_EXISTS(X_ENABLE))
+  #define HAS_X2_ENABLE (PIN_EXISTS(X2_ENABLE))
+  #define HAS_Y_ENABLE (PIN_EXISTS(Y_ENABLE))
+  #define HAS_Y2_ENABLE (PIN_EXISTS(Y2_ENABLE))
+  #define HAS_Z_ENABLE (PIN_EXISTS(Z_ENABLE))
+  #define HAS_Z2_ENABLE (PIN_EXISTS(Z2_ENABLE))
+  #define HAS_E0_ENABLE (PIN_EXISTS(E0_ENABLE))
+  #define HAS_E1_ENABLE (PIN_EXISTS(E1_ENABLE))
+  #define HAS_E2_ENABLE (PIN_EXISTS(E2_ENABLE))
+  #define HAS_E3_ENABLE (PIN_EXISTS(E3_ENABLE))
+  #define HAS_X_DIR (PIN_EXISTS(X_DIR))
+  #define HAS_X2_DIR (PIN_EXISTS(X2_DIR))
+  #define HAS_Y_DIR (PIN_EXISTS(Y_DIR))
+  #define HAS_Y2_DIR (PIN_EXISTS(Y2_DIR))
+  #define HAS_Z_DIR (PIN_EXISTS(Z_DIR))
+  #define HAS_Z2_DIR (PIN_EXISTS(Z2_DIR))
+  #define HAS_E0_DIR (PIN_EXISTS(E0_DIR))
+  #define HAS_E1_DIR (PIN_EXISTS(E1_DIR))
+  #define HAS_E2_DIR (PIN_EXISTS(E2_DIR))
+  #define HAS_E3_DIR (PIN_EXISTS(E3_DIR))
+  #define HAS_X_STEP (PIN_EXISTS(X_STEP))
+  #define HAS_X2_STEP (PIN_EXISTS(X2_STEP))
+  #define HAS_Y_STEP (PIN_EXISTS(Y_STEP))
+  #define HAS_Y2_STEP (PIN_EXISTS(Y2_STEP))
+  #define HAS_Z_STEP (PIN_EXISTS(Z_STEP))
+  #define HAS_Z2_STEP (PIN_EXISTS(Z2_STEP))
+  #define HAS_E0_STEP (PIN_EXISTS(E0_STEP))
+  #define HAS_E1_STEP (PIN_EXISTS(E1_STEP))
+  #define HAS_E2_STEP (PIN_EXISTS(E2_STEP))
+  #define HAS_E3_STEP (PIN_EXISTS(E3_STEP))
 
   /**
    * Helper Macros for heaters and extruder fan

Marlin/Configuration.h

@@ -31,7 +31,7 @@ Here are some standard links for getting your machine calibrated:
 //===========================================================================
 //============================= SCARA Printer ===============================
 //===========================================================================
-// For a Delta printer replace the configuration files with the files in the
+// For a Scara printer replace the configuration files with the files in the
 // example_configurations/SCARA directory.
 //
 
@@ -319,6 +319,7 @@ your extruder heater takes 2 minutes to hit the target on heating.
   // #define ENDSTOPPULLUP_XMIN
   // #define ENDSTOPPULLUP_YMIN
   // #define ENDSTOPPULLUP_ZMIN
+  // #define ENDSTOPPULLUP_ZPROBE
 #endif
 
 // Mechanical endstop with COM to ground and NC to Signal uses "false" here (most common setup).
@@ -328,8 +329,14 @@ const bool Z_MIN_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 const bool X_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Y_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
+const bool Z_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 //#define DISABLE_MAX_ENDSTOPS
 //#define DISABLE_MIN_ENDSTOPS
+// If you want to enable the Z Probe pin, but disable its use, uncomment the line below.
+// This only affects a Z Probe Endstop if you have separate Z min endstop as well and have
+// activated Z_PROBE_ENDSTOP below. If you are using the Z Min endstop on your Z Probe,
+// this has no effect.
+//#define DISABLE_Z_PROBE_ENDSTOP
 
 // For Inverting Stepper Enable Pins (Active Low) use 0, Non Inverting (Active High) use 1
 #define X_ENABLE_ON 0
@@ -387,11 +394,11 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MANUAL_BED_LEVELING)
+#ifdef MANUAL_BED_LEVELING
   #define MBL_Z_STEP 0.025
 #endif  // MANUAL_BED_LEVELING
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -496,6 +503,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -512,8 +533,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
   //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0}  // set the homing speeds (mm/min)
 
 // default settings
@@ -674,7 +697,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 // Data from: http://www.doc-diy.net/photo/rc-1_hacked/
 // #define PHOTOGRAPH_PIN     23
 
-// SF send wrong arc g-codes when using Arc Point as fillet procedure
+// SkeinForge sends the wrong arc g-codes when using Arc Point as fillet procedure
 //#define SF_ARC_FIX
 
 // Support for the BariCUDA Paste Extruder.

Marlin/ConfigurationStore.cpp

@@ -3,7 +3,21 @@
  *
  * Configuration and EEPROM storage
  *
- * V16 EEPROM Layout:
+ * IMPORTANT:  Whenever there are changes made to the variables stored in EEPROM
+ * in the functions below, also increment the version number. This makes sure that
+ * the default values are used whenever there is a change to the data, to prevent
+ * wrong data being written to the variables.
+ *
+ * ALSO: Variables in the Store and Retrieve sections must be in the same order.
+ *       If a feature is disabled, some data must still be written that, when read,
+ *       either sets a Sane Default, or results in No Change to the existing value.
+ *
+ */
+
+#define EEPROM_VERSION "V19"
+
+/**
+ * V19 EEPROM Layout:
  *
  *  ver
  *  axis_steps_per_unit (x4)
@@ -47,6 +61,9 @@
  *  Kp[2], Ki[2], Kd[2], Kc[2]
  *  Kp[3], Ki[3], Kd[3], Kc[3]
  *
+ * PIDTEMPBED:
+ *  bedKp, bedKi, bedKd
+ *
  * DOGLCD:
  *  lcd_contrast
  *
@@ -78,7 +95,7 @@
 #include "ultralcd.h"
 #include "ConfigurationStore.h"
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
    #include "mesh_bed_leveling.h"
 #endif  // MESH_BED_LEVELING
 
@@ -111,15 +128,6 @@ void _EEPROM_readData(int &pos, uint8_t* value, uint8_t size) {
 
 #define EEPROM_OFFSET 100
 
-
-// IMPORTANT:  Whenever there are changes made to the variables stored in EEPROM
-// in the functions below, also increment the version number. This makes sure that
-// the default values are used whenever there is a change to the data, to prevent
-// wrong data being written to the variables.
-// ALSO:  always make sure the variables in the Store and retrieve sections are in the same order.
-
-#define EEPROM_VERSION "V18"
-
 #ifdef EEPROM_SETTINGS
 
 void Config_StoreSettings()  {
@@ -194,7 +202,6 @@ void Config_StoreSettings()  {
   EEPROM_WRITE_VAR(i, absPreheatHPBTemp);
   EEPROM_WRITE_VAR(i, absPreheatFanSpeed);
 
-
   for (int e = 0; e < 4; e++) {
 
     #ifdef PIDTEMP
@@ -209,12 +216,10 @@ void Config_StoreSettings()  {
           EEPROM_WRITE_VAR(i, dummy);
         #endif
       }
-      else {
+      else
-    #else // !PIDTEMP
-      {
     #endif // !PIDTEMP
-
+      {
-        dummy = DUMMY_PID_VALUE;
+        dummy = DUMMY_PID_VALUE; // When read, will not change the existing value
         EEPROM_WRITE_VAR(i, dummy);
         dummy = 0.0f;
         for (int q = 3; q--;) EEPROM_WRITE_VAR(i, dummy);
@@ -222,6 +227,14 @@ void Config_StoreSettings()  {
 
   } // Extruders Loop
 
+  #ifndef PIDTEMPBED
+    float bedKp = DUMMY_PID_VALUE, bedKi = DUMMY_PID_VALUE, bedKd = DUMMY_PID_VALUE;
+  #endif
+
+  EEPROM_WRITE_VAR(i, bedKp);
+  EEPROM_WRITE_VAR(i, bedKi);
+  EEPROM_WRITE_VAR(i, bedKd);
+
   #ifndef DOGLCD
     int lcd_contrast = 32;
   #endif
@@ -308,7 +321,7 @@ void Config_RetrieveSettings() {
 
     uint8_t mesh_num_x = 0;
     uint8_t mesh_num_y = 0;
-    #if defined(MESH_BED_LEVELING)
+    #ifdef MESH_BED_LEVELING
       EEPROM_READ_VAR(i, mbl.active);
       EEPROM_READ_VAR(i, mesh_num_x);
       EEPROM_READ_VAR(i, mesh_num_y);
@@ -364,7 +377,7 @@ void Config_RetrieveSettings() {
 
     #ifdef PIDTEMP
       for (int e = 0; e < 4; e++) { // 4 = max extruders currently supported by Marlin
-        EEPROM_READ_VAR(i, dummy);
+        EEPROM_READ_VAR(i, dummy); // Kp
         if (e < EXTRUDERS && dummy != DUMMY_PID_VALUE) {
           // do not need to scale PID values as the values in EEPROM are already scaled
           PID_PARAM(Kp, e) = dummy;
@@ -385,6 +398,20 @@ void Config_RetrieveSettings() {
       for (int q=16; q--;) EEPROM_READ_VAR(i, dummy);  // 4x Kp, Ki, Kd, Kc
     #endif // !PIDTEMP
 
+    #ifndef PIDTEMPBED
+      float bedKp, bedKi, bedKd;
+    #endif
+
+    EEPROM_READ_VAR(i, dummy); // bedKp
+    if (dummy != DUMMY_PID_VALUE) {
+      bedKp = dummy;
+      EEPROM_READ_VAR(i, bedKi);
+      EEPROM_READ_VAR(i, bedKd);
+    }
+    else {
+      for (int q=2; q--;) EEPROM_READ_VAR(i, dummy); // bedKi, bedKd
+    }
+
     #ifndef DOGLCD
       int lcd_contrast;
     #endif
@@ -517,6 +544,12 @@ void Config_ResetDefault() {
     updatePID();
   #endif // PIDTEMP
 
+  #ifdef PIDTEMPBED
+    bedKp = DEFAULT_bedKp;
+    bedKi = scalePID_i(DEFAULT_bedKi);
+    bedKd = scalePID_d(DEFAULT_bedKd);
+  #endif
+
   #ifdef FWRETRACT
     autoretract_enabled = false;
     retract_length = RETRACT_LENGTH;
@@ -660,17 +693,28 @@ void Config_PrintSettings(bool forReplay) {
     SERIAL_EOL;  
   #endif // DELTA
 
-  #ifdef PIDTEMP
+  #if defined(PIDTEMP) || defined(PIDTEMPBED)
     SERIAL_ECHO_START;
     if (!forReplay) {
       SERIAL_ECHOLNPGM("PID settings:");
       SERIAL_ECHO_START;
     }
-    SERIAL_ECHOPAIR("   M301 P", PID_PARAM(Kp, 0)); // for compatibility with hosts, only echos values for E0
+    #if defined(PIDTEMP) && defined(PIDTEMPBED)
-    SERIAL_ECHOPAIR(" I", unscalePID_i(PID_PARAM(Ki, 0)));
+      SERIAL_EOL;
-    SERIAL_ECHOPAIR(" D", unscalePID_d(PID_PARAM(Kd, 0)));
+    #endif
-    SERIAL_EOL;
+    #ifdef PIDTEMP
-  #endif // PIDTEMP
+      SERIAL_ECHOPAIR("  M301 P", PID_PARAM(Kp, 0)); // for compatibility with hosts, only echos values for E0
+      SERIAL_ECHOPAIR(" I", unscalePID_i(PID_PARAM(Ki, 0)));
+      SERIAL_ECHOPAIR(" D", unscalePID_d(PID_PARAM(Kd, 0)));
+      SERIAL_EOL;
+    #endif
+    #ifdef PIDTEMPBED
+      SERIAL_ECHOPAIR("  M304 P", bedKp); // for compatibility with hosts, only echos values for E0
+      SERIAL_ECHOPAIR(" I", unscalePID_i(bedKi));
+      SERIAL_ECHOPAIR(" D", unscalePID_d(bedKd));
+      SERIAL_EOL;
+    #endif
+  #endif
 
   #ifdef FWRETRACT
 
@@ -679,7 +723,7 @@ void Config_PrintSettings(bool forReplay) {
       SERIAL_ECHOLNPGM("Retract: S=Length (mm) F:Speed (mm/m) Z: ZLift (mm)");
       SERIAL_ECHO_START;
     }
-    SERIAL_ECHOPAIR("   M207 S", retract_length);
+    SERIAL_ECHOPAIR("  M207 S", retract_length);
     SERIAL_ECHOPAIR(" F", retract_feedrate*60);
     SERIAL_ECHOPAIR(" Z", retract_zlift);
     SERIAL_EOL;
@@ -688,7 +732,7 @@ void Config_PrintSettings(bool forReplay) {
       SERIAL_ECHOLNPGM("Recover: S=Extra length (mm) F:Speed (mm/m)");
       SERIAL_ECHO_START;
     }
-    SERIAL_ECHOPAIR("   M208 S", retract_recover_length);
+    SERIAL_ECHOPAIR("  M208 S", retract_recover_length);
     SERIAL_ECHOPAIR(" F", retract_recover_feedrate*60);
     SERIAL_EOL;
     SERIAL_ECHO_START;
@@ -696,7 +740,7 @@ void Config_PrintSettings(bool forReplay) {
       SERIAL_ECHOLNPGM("Auto-Retract: S=0 to disable, 1 to interpret extrude-only moves as retracts or recoveries");
       SERIAL_ECHO_START;
     }
-    SERIAL_ECHOPAIR("   M209 S", (unsigned long)(autoretract_enabled ? 1 : 0));
+    SERIAL_ECHOPAIR("  M209 S", (unsigned long)(autoretract_enabled ? 1 : 0));
     SERIAL_EOL;
 
     #if EXTRUDERS > 1
@@ -720,20 +764,20 @@ void Config_PrintSettings(bool forReplay) {
       SERIAL_ECHOLNPGM("Filament settings:");
       SERIAL_ECHO_START;
     }
-    SERIAL_ECHOPAIR("   M200 D", filament_size[0]);
+    SERIAL_ECHOPAIR("  M200 D", filament_size[0]);
     SERIAL_EOL;
 
     #if EXTRUDERS > 1
       SERIAL_ECHO_START;
-      SERIAL_ECHOPAIR("   M200 T1 D", filament_size[1]);
+      SERIAL_ECHOPAIR("  M200 T1 D", filament_size[1]);
       SERIAL_EOL;
       #if EXTRUDERS > 2
         SERIAL_ECHO_START;
-        SERIAL_ECHOPAIR("   M200 T2 D", filament_size[2]);
+        SERIAL_ECHOPAIR("  M200 T2 D", filament_size[2]);
         SERIAL_EOL;
         #if EXTRUDERS > 3
           SERIAL_ECHO_START;
-          SERIAL_ECHOPAIR("   M200 T3 D", filament_size[3]);
+          SERIAL_ECHOPAIR("  M200 T3 D", filament_size[3]);
           SERIAL_EOL;
         #endif
       #endif
@@ -752,7 +796,7 @@ void Config_PrintSettings(bool forReplay) {
         SERIAL_ECHOLNPGM("Z-Probe Offset (mm):");
         SERIAL_ECHO_START;
       }
-      SERIAL_ECHOPAIR("   M", (unsigned long)CUSTOM_M_CODE_SET_Z_PROBE_OFFSET);
+      SERIAL_ECHOPAIR("  M", (unsigned long)CUSTOM_M_CODE_SET_Z_PROBE_OFFSET);
       SERIAL_ECHOPAIR(" Z", -zprobe_zoffset);
     #else
       if (!forReplay) {

Marlin/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 2
+#define Z_HOME_BUMP_MM 2
 #define HOMING_BUMP_DIVISOR {2, 2, 4}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/Marlin.h

@@ -62,59 +62,57 @@
   #define MYSERIAL MSerial
 #endif
 
-#define SERIAL_PROTOCOL(x) (MYSERIAL.print(x))
+#define SERIAL_CHAR(x) MYSERIAL.write(x)
-#define SERIAL_PROTOCOL_F(x,y) (MYSERIAL.print(x,y))
+#define SERIAL_EOL SERIAL_CHAR('\n')
-#define SERIAL_PROTOCOLPGM(x) (serialprintPGM(PSTR(x)))
+
-#define SERIAL_PROTOCOLLN(x) (MYSERIAL.print(x),MYSERIAL.write('\n'))
+#define SERIAL_PROTOCOLCHAR(x) SERIAL_CHAR(x)
-#define SERIAL_PROTOCOLLNPGM(x) (serialprintPGM(PSTR(x)),MYSERIAL.write('\n'))
+#define SERIAL_PROTOCOL(x) MYSERIAL.print(x)
+#define SERIAL_PROTOCOL_F(x,y) MYSERIAL.print(x,y)
+#define SERIAL_PROTOCOLPGM(x) serialprintPGM(PSTR(x))
+#define SERIAL_PROTOCOLLN(x) do{ MYSERIAL.print(x),MYSERIAL.write('\n'); }while(0)
+#define SERIAL_PROTOCOLLNPGM(x) do{ serialprintPGM(PSTR(x)),MYSERIAL.write('\n'); }while(0)
 
 
 extern const char errormagic[] PROGMEM;
 extern const char echomagic[] PROGMEM;
 
-#define SERIAL_ERROR_START (serialprintPGM(errormagic))
+#define SERIAL_ERROR_START serialprintPGM(errormagic)
 #define SERIAL_ERROR(x) SERIAL_PROTOCOL(x)
 #define SERIAL_ERRORPGM(x) SERIAL_PROTOCOLPGM(x)
 #define SERIAL_ERRORLN(x) SERIAL_PROTOCOLLN(x)
 #define SERIAL_ERRORLNPGM(x) SERIAL_PROTOCOLLNPGM(x)
 
-#define SERIAL_ECHO_START (serialprintPGM(echomagic))
+#define SERIAL_ECHO_START serialprintPGM(echomagic)
 #define SERIAL_ECHO(x) SERIAL_PROTOCOL(x)
 #define SERIAL_ECHOPGM(x) SERIAL_PROTOCOLPGM(x)
 #define SERIAL_ECHOLN(x) SERIAL_PROTOCOLLN(x)
 #define SERIAL_ECHOLNPGM(x) SERIAL_PROTOCOLLNPGM(x)
 
-#define SERIAL_ECHOPAIR(name,value) (serial_echopair_P(PSTR(name),(value)))
+#define SERIAL_ECHOPAIR(name,value) do{ serial_echopair_P(PSTR(name),(value)); }while(0)
-
-#define SERIAL_EOL MYSERIAL.write('\n')
 
 void serial_echopair_P(const char *s_P, float v);
 void serial_echopair_P(const char *s_P, double v);
 void serial_echopair_P(const char *s_P, unsigned long v);
 
 
-//Things to write to serial from Program memory. Saves 400 to 2k of RAM.
+// Things to write to serial from Program memory. Saves 400 to 2k of RAM.
-FORCE_INLINE void serialprintPGM(const char *str)
+FORCE_INLINE void serialprintPGM(const char *str) {
-{
+  char ch;
-  char ch=pgm_read_byte(str);
+  while ((ch = pgm_read_byte(str))) {
-  while(ch)
-  {
     MYSERIAL.write(ch);
-    ch=pgm_read_byte(++str);
+    str++;
   }
 }
 
-
 void get_command();
 void process_commands();
 
 void manage_inactivity(bool ignore_stepper_queue=false);
 
-#if defined(DUAL_X_CARRIAGE) && defined(X_ENABLE_PIN) && X_ENABLE_PIN > -1 \
+#if defined(DUAL_X_CARRIAGE) && HAS_X_ENABLE && HAS_X2_ENABLE
-    && defined(X2_ENABLE_PIN) && X2_ENABLE_PIN > -1
   #define  enable_x() do { X_ENABLE_WRITE( X_ENABLE_ON); X2_ENABLE_WRITE( X_ENABLE_ON); } while (0)
   #define disable_x() do { X_ENABLE_WRITE(!X_ENABLE_ON); X2_ENABLE_WRITE(!X_ENABLE_ON); axis_known_position[X_AXIS] = false; } while (0)
-#elif defined(X_ENABLE_PIN) && X_ENABLE_PIN > -1
+#elif HAS_X_ENABLE
   #define  enable_x() X_ENABLE_WRITE( X_ENABLE_ON)
   #define disable_x() { X_ENABLE_WRITE(!X_ENABLE_ON); axis_known_position[X_AXIS] = false; }
 #else
@@ -122,7 +120,7 @@ void manage_inactivity(bool ignore_stepper_queue=false);
   #define disable_x() ;
 #endif
 
-#if defined(Y_ENABLE_PIN) && Y_ENABLE_PIN > -1
+#if HAS_Y_ENABLE
   #ifdef Y_DUAL_STEPPER_DRIVERS
     #define  enable_y() { Y_ENABLE_WRITE( Y_ENABLE_ON); Y2_ENABLE_WRITE(Y_ENABLE_ON); }
     #define disable_y() { Y_ENABLE_WRITE(!Y_ENABLE_ON); Y2_ENABLE_WRITE(!Y_ENABLE_ON); axis_known_position[Y_AXIS] = false; }
@@ -135,7 +133,7 @@ void manage_inactivity(bool ignore_stepper_queue=false);
   #define disable_y() ;
 #endif
 
-#if defined(Z_ENABLE_PIN) && Z_ENABLE_PIN > -1
+#if HAS_Z_ENABLE
   #ifdef Z_DUAL_STEPPER_DRIVERS
     #define  enable_z() { Z_ENABLE_WRITE( Z_ENABLE_ON); Z2_ENABLE_WRITE(Z_ENABLE_ON); }
     #define disable_z() { Z_ENABLE_WRITE(!Z_ENABLE_ON); Z2_ENABLE_WRITE(!Z_ENABLE_ON); axis_known_position[Z_AXIS] = false; }
@@ -148,40 +146,53 @@ void manage_inactivity(bool ignore_stepper_queue=false);
   #define disable_z() ;
 #endif
 
-#if defined(E0_ENABLE_PIN) && (E0_ENABLE_PIN > -1)
+#if HAS_E0_ENABLE
-  #define enable_e0() E0_ENABLE_WRITE(E_ENABLE_ON)
+  #define enable_e0()  E0_ENABLE_WRITE( E_ENABLE_ON)
   #define disable_e0() E0_ENABLE_WRITE(!E_ENABLE_ON)
 #else
   #define enable_e0()  /* nothing */
   #define disable_e0() /* nothing */
 #endif
 
-#if (EXTRUDERS > 1) && defined(E1_ENABLE_PIN) && (E1_ENABLE_PIN > -1)
+#if (EXTRUDERS > 1) && HAS_E1_ENABLE
-  #define enable_e1() E1_ENABLE_WRITE(E_ENABLE_ON)
+  #define enable_e1()  E1_ENABLE_WRITE( E_ENABLE_ON)
   #define disable_e1() E1_ENABLE_WRITE(!E_ENABLE_ON)
 #else
   #define enable_e1()  /* nothing */
   #define disable_e1() /* nothing */
 #endif
 
-#if (EXTRUDERS > 2) && defined(E2_ENABLE_PIN) && (E2_ENABLE_PIN > -1)
+#if (EXTRUDERS > 2) && HAS_E2_ENABLE
-  #define enable_e2() E2_ENABLE_WRITE(E_ENABLE_ON)
+  #define enable_e2()  E2_ENABLE_WRITE( E_ENABLE_ON)
   #define disable_e2() E2_ENABLE_WRITE(!E_ENABLE_ON)
 #else
   #define enable_e2()  /* nothing */
   #define disable_e2() /* nothing */
 #endif
 
-#if (EXTRUDERS > 3) && defined(E3_ENABLE_PIN) && (E3_ENABLE_PIN > -1)
+#if (EXTRUDERS > 3) && HAS_E3_ENABLE
-  #define enable_e3() E3_ENABLE_WRITE(E_ENABLE_ON)
+  #define enable_e3()  E3_ENABLE_WRITE( E_ENABLE_ON)
   #define disable_e3() E3_ENABLE_WRITE(!E_ENABLE_ON)
 #else
   #define enable_e3()  /* nothing */
   #define disable_e3() /* nothing */
 #endif
 
+/**
+ * The axis order in all axis related arrays is X, Y, Z, E
+ */
+#define NUM_AXIS 4
+
+/**
+ * Axis indices as enumerated constants
+ *
+ * A_AXIS and B_AXIS are used by COREXY printers
+ * X_HEAD and Y_HEAD is used for systems that don't have a 1:1 relationship between X_AXIS and X Head movement, like CoreXY bots.
+ */
 enum AxisEnum {X_AXIS=0, Y_AXIS=1, A_AXIS=0, B_AXIS=1, Z_AXIS=2, E_AXIS=3, X_HEAD=4, Y_HEAD=5};
-//X_HEAD and Y_HEAD is used for systems that don't have a 1:1 relationship between X_AXIS and X Head movement, like CoreXY bots.
+
+void enable_all_steppers();
+void disable_all_steppers();
 
 void FlushSerialRequestResend();
 void ClearToSend();
@@ -194,7 +205,6 @@ void get_coordinates();
     void adjust_delta(float cartesian[3]);
   #endif
   extern float delta[3];
-  void prepare_move_raw();
 #endif
 #ifdef SCARA
   void calculate_delta(float cartesian[3]);
@@ -217,7 +227,8 @@ void enquecommands_P(const char *cmd); //put one or many ASCII commands at the e
 void prepare_arc_move(char isclockwise);
 void clamp_to_software_endstops(float target[3]);
 
-void refresh_cmd_timeout(void);
+extern unsigned long previous_millis_cmd;
+inline void refresh_cmd_timeout() { previous_millis_cmd = millis(); }
 
 #ifdef FAST_PWM_FAN
   void setPwmFrequency(uint8_t pin, int val);
@@ -226,7 +237,7 @@ void refresh_cmd_timeout(void);
 #ifndef CRITICAL_SECTION_START
   #define CRITICAL_SECTION_START  unsigned char _sreg = SREG; cli();
   #define CRITICAL_SECTION_END    SREG = _sreg;
-#endif //CRITICAL_SECTION_START
+#endif
 
 extern float homing_feedrate[];
 extern bool axis_relative_modes[];
@@ -235,8 +246,9 @@ extern bool volumetric_enabled;
 extern int extruder_multiply[EXTRUDERS]; // sets extrude multiply factor (in percent) for each extruder individually
 extern float filament_size[EXTRUDERS]; // cross-sectional area of filament (in millimeters), typically around 1.75 or 2.85, 0 disables the volumetric calculations for the extruder.
 extern float volumetric_multiplier[EXTRUDERS]; // reciprocal of cross-sectional area of filament (in square millimeters), stored this way to reduce computational burden in planner
-extern float current_position[NUM_AXIS] ;
+extern float current_position[NUM_AXIS];
 extern float home_offset[3];
+
 #ifdef DELTA
   extern float endstop_adj[3];
   extern float delta_radius;
@@ -244,18 +256,23 @@ extern float home_offset[3];
   extern float delta_segments_per_second;
   void recalc_delta_settings(float radius, float diagonal_rod);
 #elif defined(Z_DUAL_ENDSTOPS)
-extern float z_endstop_adj;
+  extern float z_endstop_adj;
 #endif
+
 #ifdef SCARA
   extern float axis_scaling[3];  // Build size scaling
 #endif
+
 extern float min_pos[3];
 extern float max_pos[3];
 extern bool axis_known_position[3];
+
 #ifdef ENABLE_AUTO_BED_LEVELING
   extern float zprobe_zoffset;
 #endif
+
 extern int fanSpeed;
+
 #ifdef BARICUDA
   extern int ValvePressure;
   extern int EtoPPressure;

Marlin/MarlinSerial.cpp

@@ -268,8 +268,7 @@ void MarlinSerial::printFloat(double number, uint8_t digits) {
   print(int_part);
 
   // Print the decimal point, but only if there are digits beyond
-  if (digits > 0)
+  if (digits > 0) print('.');
-    print("."); 
 
   // Extract digits from the remainder one at a time
   while (digits-- > 0) {
@@ -288,7 +287,6 @@ MarlinSerial MSerial;
 #endif // !AT90USB
 
 // For AT90USB targets use the UART for BT interfacing
-#if defined(AT90USB) && defined (BTENABLED)
+#if defined(AT90USB) && defined(BTENABLED)
-   HardwareSerial bt;
+  HardwareSerial bt;
 #endif
-

Marlin/MarlinSerial.h

@@ -153,8 +153,8 @@ extern MarlinSerial MSerial;
 #endif // !AT90USB
 
 // Use the UART for BT in AT90USB configurations
-#if defined(AT90USB) && defined (BTENABLED)
+#if defined(AT90USB) && defined(BTENABLED)
-   extern HardwareSerial bt;
+  extern HardwareSerial bt;
 #endif
 
 #endif

Marlin/SanityCheck.h

@@ -56,7 +56,7 @@
   #if EXTRUDERS > 1
 
     #if EXTRUDERS > 4
-      #error The maximum number of EXTRUDERS is 4.
+      #error The maximum number of EXTRUDERS in Marlin is 4.
     #endif
 
     #ifdef TEMP_SENSOR_1_AS_REDUNDANT
@@ -77,6 +77,13 @@
 
   #endif // EXTRUDERS > 1
 
+  /**
+   * Limited number of servos
+   */
+  #if NUM_SERVOS > 4
+    #error The maximum number of SERVOS in Marlin is 4.
+  #endif
+
   /**
    * Required LCD language
    */
@@ -93,13 +100,39 @@
      * Require a Z Min pin
      */
     #if Z_MIN_PIN == -1
-      #ifdef Z_PROBE_REPEATABILITY_TEST
+      #if Z_PROBE_PIN == -1 || (!defined(Z_PROBE_ENDSTOP) || defined(DISABLE_Z_PROBE_ENDSTOP)) // It's possible for someone to set a pin for the Z Probe, but not enable it.
-        #error You must have a Z_MIN endstop to enable Z_PROBE_REPEATABILITY_TEST.
+        #ifdef Z_PROBE_REPEATABILITY_TEST
-      #else
+          #error You must have a Z_MIN or Z_PROBE endstop to enable Z_PROBE_REPEATABILITY_TEST.
-        #error ENABLE_AUTO_BED_LEVELING requires a Z_MIN endstop. Z_MIN_PIN must point to a valid hardware pin.
+        #else
+          #error ENABLE_AUTO_BED_LEVELING requires a Z_MIN or Z_PROBE endstop. Z_MIN_PIN or Z_PROBE_PIN must point to a valid hardware pin.
+        #endif
       #endif
     #endif
 
+    /**
+     * Require a Z Probe Pin if Z_PROBE_ENDSTOP is enabled.
+     */
+    #if defined(Z_PROBE_ENDSTOP)
+      #ifndef Z_PROBE_PIN
+        #error You must have a Z_PROBE_PIN defined in your pins_XXXX.h file if you enable Z_PROBE_ENDSTOP
+      #endif
+      #if Z_PROBE_PIN == -1
+        #error You must set Z_PROBE_PIN to a valid pin if you enable Z_PROBE_ENDSTOP
+      #endif
+// Forcing Servo definitions can break some hall effect sensor setups. Leaving these here for further comment.
+//      #ifndef NUM_SERVOS
+//        #error You must have NUM_SERVOS defined and there must be at least 1 configured to use Z_PROBE_ENDSTOP
+//      #endif
+//      #if defined(NUM_SERVOS) && NUM_SERVOS < 1
+//        #error You must have at least 1 servo defined for NUM_SERVOS to use Z_PROBE_ENDSTOP
+//      #endif
+//      #ifndef SERVO_ENDSTOPS
+//        #error You must have SERVO_ENDSTOPS defined and have the Z index set to at least 0 or above to use Z_PROBE_ENDSTOP
+//      #endif
+//      #ifndef SERVO_ENDSTOP_ANGLES
+//        #error You must have SERVO_ENDSTOP_ANGLES defined for Z Extend and Retract to use Z_PROBE_AND_ENSTOP
+//      #endif
+    #endif
     /**
      * Check if Probe_Offset * Grid Points is greater than Probing Range
      */
@@ -209,9 +242,9 @@
    */
   #ifdef DUAL_X_CARRIAGE
     #if EXTRUDERS == 1 || defined(COREXY) \
-        || !defined(X2_ENABLE_PIN) || !defined(X2_STEP_PIN) || !defined(X2_DIR_PIN) \
+        || !HAS_X2_ENABLE || !HAS_X2_STEP || !HAS_X2_DIR \
         || !defined(X2_HOME_POS) || !defined(X2_MIN_POS) || !defined(X2_MAX_POS) \
-        || !defined(X_MAX_PIN) || X_MAX_PIN < 0
+        || !HAS_X_MAX
       #error Missing or invalid definitions for DUAL_X_CARRIAGE mode.
     #endif
     #if X_HOME_DIR != -1 || X2_HOME_DIR != 1
@@ -234,6 +267,10 @@
     #endif
   #endif
 
+  #if HAS_FAN && CONTROLLERFAN_PIN == FAN_PIN
+    #error You cannot set CONTROLLERFAN_PIN equal to FAN_PIN
+  #endif
+
   /**
    * Test required HEATER defines
    */
@@ -254,4 +291,11 @@
     #error HEATER_0_PIN not defined for this board
   #endif
 
+  /**
+   * Warnings for old configurations
+   */
+  #ifdef X_HOME_RETRACT_MM
+    #error [XYZ]_HOME_RETRACT_MM settings have been renamed [XYZ]_HOME_BUMP_MM
+  #endif
+
 #endif //SANITYCHECK_H

Marlin/Servo.h

@@ -123,7 +123,7 @@ class Servo {
     int read();                        // returns current pulse width as an angle between 0 and 180 degrees
     int readMicroseconds();            // returns current pulse width in microseconds for this servo (was read_us() in first release)
     bool attached();                   // return true if this servo is attached, otherwise false
-    #if defined (ENABLE_AUTO_BED_LEVELING) && (PROBE_SERVO_DEACTIVATION_DELAY > 0)
+    #if defined(ENABLE_AUTO_BED_LEVELING) && PROBE_SERVO_DEACTIVATION_DELAY > 0
       int pin;                           // store the hardware pin of the servo
     #endif
   private:

Marlin/boards.h

@@ -37,6 +37,7 @@
 #define BOARD_BRAINWAVE         82   // Brainwave (AT90USB646)
 #define BOARD_SAV_MKI           83   // SAV Mk-I (AT90USB1286)
 #define BOARD_TEENSY2           84   // Teensy++2.0 (AT90USB1286) - CLI compile: DEFINES=AT90USBxx_TEENSYPP_ASSIGNMENTS HARDWARE_MOTHERBOARD=84  make
+#define BOARD_BRAINWAVE_PRO     85   // Brainwave Pro (AT90USB1286)
 #define BOARD_GEN3_PLUS         9    // Gen3+
 #define BOARD_GEN3_MONOLITHIC   22   // Gen3 Monolithic Electronics
 #define BOARD_MEGATRONICS       70   // Megatronics

Marlin/cardreader.cpp

@@ -249,7 +249,7 @@ void CardReader::openFile(char* name, bool read, bool replace_current/*=true*/)
         if (!myDir.open(curDir, subdirname, O_READ)) {
           SERIAL_PROTOCOLPGM(MSG_SD_OPEN_FILE_FAIL);
           SERIAL_PROTOCOL(subdirname);
-          SERIAL_PROTOCOLLNPGM(".");
+          SERIAL_PROTOCOLCHAR('.');
           return;
         }
         else {
@@ -287,14 +287,14 @@ void CardReader::openFile(char* name, bool read, bool replace_current/*=true*/)
     else {
       SERIAL_PROTOCOLPGM(MSG_SD_OPEN_FILE_FAIL);
       SERIAL_PROTOCOL(fname);
-      SERIAL_PROTOCOLLNPGM(".");
+      SERIAL_PROTOCOLCHAR('.');
     }
   }
   else { //write
     if (!file.open(curDir, fname, O_CREAT | O_APPEND | O_WRITE | O_TRUNC)) {
       SERIAL_PROTOCOLPGM(MSG_SD_OPEN_FILE_FAIL);
       SERIAL_PROTOCOL(fname);
-      SERIAL_PROTOCOLLNPGM(".");
+      SERIAL_PROTOCOLCHAR('.');
     }
     else {
       saving = true;
@@ -330,7 +330,7 @@ void CardReader::removeFile(char* name) {
         if (!myDir.open(curDir, subdirname, O_READ)) {
           SERIAL_PROTOCOLPGM("open failed, File: ");
           SERIAL_PROTOCOL(subdirname);
-          SERIAL_PROTOCOLLNPGM(".");
+          SERIAL_PROTOCOLCHAR('.');
           return;
         }
         else {
@@ -360,7 +360,7 @@ void CardReader::removeFile(char* name) {
   else {
     SERIAL_PROTOCOLPGM("Deletion failed, File: ");
     SERIAL_PROTOCOL(fname);
-    SERIAL_PROTOCOLLNPGM(".");
+    SERIAL_PROTOCOLCHAR('.');
   }
 }
 
@@ -368,7 +368,7 @@ void CardReader::getStatus() {
   if (cardOK) {
     SERIAL_PROTOCOLPGM(MSG_SD_PRINTING_BYTE);
     SERIAL_PROTOCOL(sdpos);
-    SERIAL_PROTOCOLPGM("/");
+    SERIAL_PROTOCOLCHAR('/');
     SERIAL_PROTOCOLLN(filesize);
   }
   else {

Marlin/configurator/config/Configuration.h

@@ -412,7 +412,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -519,6 +519,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -539,8 +553,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 
 // @section movement
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0}  // set the homing speeds (mm/min)
 
 // default settings

Marlin/configurator/config/Configuration_adv.h

@@ -189,9 +189,9 @@
 // @section homing
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 2
+#define Z_HOME_BUMP_MM 2
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/dogm_lcd_implementation.h

@@ -300,7 +300,7 @@ static void lcd_implementation_status_screen() {
   // Fan
   lcd_setFont(FONT_STATUSMENU);
   u8g.setPrintPos(104,27);
-  #if defined(FAN_PIN) && FAN_PIN > -1
+  #if HAS_FAN
     int per = ((fanSpeed + 1) * 100) / 256;
     if (per) {
 

Marlin/example_configurations/Felix/Configuration.h

@@ -364,7 +364,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -469,6 +469,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -485,8 +499,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0}  // set the homing speeds (mm/min)
 
 // default settings

Marlin/example_configurations/Felix/Configuration_DUAL.h

@@ -364,7 +364,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -469,6 +469,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -485,8 +499,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0}  // set the homing speeds (mm/min)
 
 // default settings

Marlin/example_configurations/Felix/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 3
+#define Z_HOME_BUMP_MM 3
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/example_configurations/Hephestos/Configuration.h

@@ -387,7 +387,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -492,6 +492,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -508,8 +522,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {2000, 2000, 150, 0}  // set the homing speeds (mm/min)
 
 // default settings

Marlin/example_configurations/Hephestos/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 2
+#define Z_HOME_BUMP_MM 2
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/example_configurations/K8200/Configuration.h

@@ -392,7 +392,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -497,6 +497,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -513,8 +527,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0}  // set the homing speeds (mm/min)
 
 // default settings

Marlin/example_configurations/K8200/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 3
+#define Z_HOME_BUMP_MM 3
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/example_configurations/SCARA/Configuration.h

@@ -416,7 +416,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -521,6 +521,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -537,8 +551,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   #define MANUAL_Z_HOME_POS 0.1  // Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {40*60, 40*60, 10*60, 0}  // set the homing speeds (mm/min)
 
 // default settings

Marlin/example_configurations/SCARA/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 3
+#define X_HOME_BUMP_MM 3
-#define Y_HOME_RETRACT_MM 3
+#define Y_HOME_BUMP_MM 3
-#define Z_HOME_RETRACT_MM 3
+#define Z_HOME_BUMP_MM 3
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/example_configurations/WITBOX/Configuration.h

@@ -386,7 +386,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -491,6 +491,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -507,8 +521,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {120*60, 120*60, 7.2*60, 0}  // set the homing speeds (mm/min)
 
 // default settings

Marlin/example_configurations/WITBOX/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 2
+#define Z_HOME_BUMP_MM 2
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/example_configurations/delta/generic/Configuration.h

@@ -414,7 +414,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -507,10 +507,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
     #define Z_PROBE_ALLEN_KEY_DEPLOY_Y DELTA_PRINTABLE_RADIUS
     #define Z_PROBE_ALLEN_KEY_DEPLOY_Z 100
     
-    #define Z_PROBE_ALLEN_KEY_RETRACT_X     -64
+    #define Z_PROBE_ALLEN_KEY_STOW_X     -64
-    #define Z_PROBE_ALLEN_KEY_RETRACT_Y     56
+    #define Z_PROBE_ALLEN_KEY_STOW_Y     56
-    #define Z_PROBE_ALLEN_KEY_RETRACT_Z     23
+    #define Z_PROBE_ALLEN_KEY_STOW_Z     23
-    #define Z_PROBE_ALLEN_KEY_RETRACT_DEPTH 20
+    #define Z_PROBE_ALLEN_KEY_STOW_DEPTH 20
   #endif
   
   //If defined, the Probe servo will be turned on only during movement and then turned off to avoid jerk
@@ -537,6 +537,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -552,8 +566,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   #define MANUAL_Z_HOME_POS 250 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 
 // delta homing speeds must be the same on xyz
 #define HOMING_FEEDRATE {200*60, 200*60, 200*60, 0}  // set the homing speeds (mm/min)

Marlin/example_configurations/delta/generic/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 5 // deltas need the same for all three axis
+#define Z_HOME_BUMP_MM 5 // deltas need the same for all three axis
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/example_configurations/delta/kossel_mini/Configuration.h

@@ -414,7 +414,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -511,10 +511,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
     #define Z_PROBE_ALLEN_KEY_DEPLOY_Y DELTA_PRINTABLE_RADIUS
     #define Z_PROBE_ALLEN_KEY_DEPLOY_Z 100
     
-    #define Z_PROBE_ALLEN_KEY_RETRACT_X     -64
+    #define Z_PROBE_ALLEN_KEY_STOW_X     -64
-    #define Z_PROBE_ALLEN_KEY_RETRACT_Y     56
+    #define Z_PROBE_ALLEN_KEY_STOW_Y     56
-    #define Z_PROBE_ALLEN_KEY_RETRACT_Z     23
+    #define Z_PROBE_ALLEN_KEY_STOW_Z     23
-    #define Z_PROBE_ALLEN_KEY_RETRACT_DEPTH 20
+    #define Z_PROBE_ALLEN_KEY_STOW_DEPTH 20
   #endif
   
   //If defined, the Probe servo will be turned on only during movement and then turned off to avoid jerk
@@ -541,6 +541,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -556,8 +570,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o
   #define MANUAL_Z_HOME_POS 250 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 
 // delta homing speeds must be the same on xyz
 #define HOMING_FEEDRATE {200*60, 200*60, 200*60, 0}  // set the homing speeds (mm/min)

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 5 // deltas need the same for all three axis
+#define Z_HOME_BUMP_MM 5 // deltas need the same for all three axis
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/example_configurations/makibox/Configuration.h

@@ -384,7 +384,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -489,6 +489,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -505,8 +519,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {1500, 1500, 120, 0}  // set the homing speeds (mm/min)   ***** MakiBox A6 *****
 
 // default settings

Marlin/example_configurations/makibox/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 2
+#define Z_HOME_BUMP_MM 2
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/example_configurations/tvrrug/Round2/Configuration.h

@@ -386,7 +386,7 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #define MESH_MIN_X 10
   #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X)
   #define MESH_MIN_Y 10
@@ -491,6 +491,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
 
   #endif
 
+  // Support for a dedicated Z PROBE endstop separate from the Z MIN endstop.
+  // If you would like to use both a Z PROBE and a Z MIN endstop together or just a Z PROBE with a custom pin, uncomment #define Z_PROBE_ENDSTOP and read the instructions below.
+  // If you want to still use the Z min endstop for homing, disable Z_SAFE_HOMING above. Eg; to park the head outside the bed area when homing with G28.
+  // WARNING: The Z MIN endstop will need to set properly as it would without a Z PROBE to prevent head crashes and premature stopping during a print.
+  // To use a separate Z PROBE endstop, you must have a Z_PROBE_PIN defined in the pins.h file for your control board.
+  // If you are using a servo based Z PROBE, you will need to enable NUM_SERVOS, SERVO_ENDSTOPS and SERVO_ENDSTOPS_ANGLES in the R/C Servo below.
+  // RAMPS 1.3/1.4 boards may be able to use the 5V, Ground and the D32 pin in the Aux 4 section of the RAMPS board. Use 5V for powered sensors, otherwise connect to ground and D32
+  // for normally closed configuration and 5V and D32 for normally open configurations. Normally closed configuration is advised and assumed.
+  // The D32 pin in Aux 4 on RAMPS maps to the Arduino D32 pin. Z_PROBE_PIN is setting the pin to use on the Arduino. Since the D32 pin on the RAMPS maps to D32 on Arduino, this works.
+  // D32 is currently selected in the RAMPS 1.3/1.4 pin file. All other boards will need changes to the respective pins_XXXXX.h file.
+  // WARNING: Setting the wrong pin may have unexpected and potentially disastrous outcomes. Use with caution and do your homework.
+
+  //#define Z_PROBE_ENDSTOP
+
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
@@ -507,8 +521,10 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
   //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
-//// MOVEMENT SETTINGS
+/**
-#define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
+ * MOVEMENT SETTINGS
+ */
+
 #define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0}  // set the homing speeds (mm/min)
 
 // default settings

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

@@ -175,9 +175,9 @@
 #endif //DUAL_X_CARRIAGE
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
-#define X_HOME_RETRACT_MM 5
+#define X_HOME_BUMP_MM 5
-#define Y_HOME_RETRACT_MM 5
+#define Y_HOME_BUMP_MM 5
-#define Z_HOME_RETRACT_MM 1
+#define Z_HOME_BUMP_MM 1
 #define HOMING_BUMP_DIVISOR {10, 10, 20}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
 //#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 

Marlin/fastio.h

@@ -91,7 +91,7 @@
 	added as necessary or if I feel like it- not a comprehensive list!
 */
 
-#if defined (__AVR_ATmega168__) || defined (__AVR_ATmega328__) || defined (__AVR_ATmega328P__)
+#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328__) || defined(__AVR_ATmega328P__)
 // UART
 #define	RXD					DIO0
 #define	TXD					DIO1
@@ -426,7 +426,7 @@ pins
 #define PD7_PWM			NULL
 #endif	/*	_AVR_ATmega{168,328,328P}__ */
 
-#if defined (__AVR_ATmega644__) || defined (__AVR_ATmega644P__) || defined (__AVR_ATmega644PA__) || defined (__AVR_ATmega1284P__)
+#if defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) || defined(__AVR_ATmega1284P__)
 // UART
 #define	RXD					DIO8
 #define	TXD					DIO9
@@ -929,7 +929,7 @@ pins
 #define PD7_PWM			OCR2A
 #endif	/*	_AVR_ATmega{644,644P,644PA}__ */
 
-#if defined (__AVR_ATmega1280__) || defined (__AVR_ATmega2560__)
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
 // UART
 #define	RXD					DIO0
 #define	TXD					DIO1
@@ -2024,7 +2024,7 @@ pins
 
 #endif
 
-#if defined (__AVR_AT90USB1287__) || defined (__AVR_AT90USB1286__) || defined (__AVR_AT90USB646__) || defined(__AVR_AT90USB647__)
+#if defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__)
 // SPI
 #define	SCK					DIO9
 #define	MISO				DIO11
@@ -3322,7 +3322,7 @@ Teensy   28 29 30 31 32 33 34 35 20 21 22 23 24 25 26 27 10 11 12 13 14 15 16 17
 #endif // __AVR_AT90usbxxx__
 
 
-#if defined (__AVR_ATmega1281__) || defined (__AVR_ATmega2561__)
+#if defined(__AVR_ATmega1281__) || defined(__AVR_ATmega2561__)
 // UART
 #define	RXD					DIO0
 #define	TXD					DIO1

Marlin/language.h

@@ -36,18 +36,19 @@
   #define LANGUAGE_INCLUDE GENERATE_LANGUAGE_INCLUDE(en)
 #endif
 
+#ifdef HAS_AUTOMATIC_VERSIONING
+  #include "_Version.h"
+#endif
+
 #define PROTOCOL_VERSION "1.0"
-#define FIRMWARE_URL "https://github.com/MarlinFirmware/Marlin"
 
 #if MB(ULTIMAKER)|| MB(ULTIMAKER_OLD)|| MB(ULTIMAIN_2)
-  #undef FIRMWARE_URL
   #define MACHINE_NAME "Ultimaker"
   #define FIRMWARE_URL "http://firmware.ultimaker.com"
 #elif MB(RUMBA)
   #define MACHINE_NAME "Rumba"
 #elif MB(3DRAG)
   #define MACHINE_NAME "3Drag"
-  #undef FIRMWARE_URL
   #define FIRMWARE_URL "http://3dprint.elettronicain.it/"
 #elif MB(K8200)
   #define MACHINE_NAME "K8200"
@@ -55,23 +56,40 @@
   #define MACHINE_NAME "Makibox"
 #elif MB(SAV_MKI)
   #define MACHINE_NAME "SAV MkI"
-  #undef FIRMWARE_URL
   #define FIRMWARE_URL "https://github.com/fmalpartida/Marlin/tree/SAV-MkI-config"
 #elif MB(WITBOX)
   #define MACHINE_NAME "WITBOX"
-  #undef FIRMWARE_URL
   #define FIRMWARE_URL "http://www.bq.com/gb/downloads-witbox.html"
 #elif MB(HEPHESTOS)
   #define MACHINE_NAME "HEPHESTOS"
-  #undef FIRMWARE_URL
   #define FIRMWARE_URL "http://www.bq.com/gb/downloads-prusa-i3-hephestos.html"
-#else // Default firmware set to Mendel
+#elif MB(BRAINWAVE_PRO)
-  #define MACHINE_NAME "Mendel"
+  #define MACHINE_NAME "Kossel Pro"
+  #ifndef FIRMWARE_URL
+    #define FIRMWARE_URL "https://github.com/OpenBeamUSA/Marlin/"
+  #endif
+#else
+  #ifndef MACHINE_NAME
+    #define MACHINE_NAME "Mendel"
+  #endif
 #endif
 
 #ifdef CUSTOM_MENDEL_NAME
+  #warning CUSTOM_MENDEL_NAME deprecated - use CUSTOM_MACHINE_NAME
+  #define CUSTOM_MACHINE_NAME CUSTOM_MENDEL_NAME
+#endif
+
+#ifdef CUSTOM_MACHINE_NAME
   #undef MACHINE_NAME
-  #define MACHINE_NAME CUSTOM_MENDEL_NAME
+  #define MACHINE_NAME CUSTOM_MACHINE_NAME
+#endif
+
+#ifndef FIRMWARE_URL
+  #define FIRMWARE_URL "https://github.com/MarlinFirmware/Marlin"
+#endif
+
+#ifndef BUILD_VERSION
+  #define BUILD_VERSION "V1; Sprinter/grbl mashup for gen6"
 #endif
 
 #ifndef MACHINE_UUID
@@ -122,7 +140,7 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
-#define MSG_M115_REPORT                     "FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
+#define MSG_M115_REPORT                     "FIRMWARE_NAME:Marlin " BUILD_VERSION " FIRMWARE_URL:" FIRMWARE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 #define MSG_COUNT_X                         " Count X: "
 #define MSG_ERR_KILLED                      "Printer halted. kill() called!"
 #define MSG_ERR_STOPPED                     "Printer stopped due to errors. Fix the error and use M999 to restart. (Temperature is reset. Set it after restarting)"
@@ -138,6 +156,7 @@
 #define MSG_Z_MIN                           "z_min: "
 #define MSG_Z_MAX                           "z_max: "
 #define MSG_Z2_MAX                          "z2_max: "
+#define MSG_Z_PROBE                         "z_probe: "
 #define MSG_M119_REPORT                     "Reporting endstop status"
 #define MSG_ENDSTOP_HIT                     "TRIGGERED"
 #define MSG_ENDSTOP_OPEN                    "open"

Marlin/mesh_bed_leveling.h

@@ -1,6 +1,6 @@
 #include "Marlin.h"
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
 
   #define MESH_X_DIST ((MESH_MAX_X - MESH_MIN_X)/(MESH_NUM_X_POINTS - 1))
   #define MESH_Y_DIST ((MESH_MAX_Y - MESH_MIN_Y)/(MESH_NUM_Y_POINTS - 1))

Marlin/pins.h

@@ -187,6 +187,10 @@
   #define Z_MIN_PIN          -1
 #endif
 
+#if defined(DISABLE_Z_PROBE_ENDSTOP) || !defined(Z_PROBE_ENDSTOP) // Allow code to compile regardless of Z_PROBE_ENDSTOP setting.
+  #define Z_PROBE_PIN        -1
+#endif
+
 #ifdef DISABLE_XMAX_ENDSTOP
   #undef X_MAX_PIN
   #define X_MAX_PIN          -1
@@ -216,8 +220,11 @@
   #define Z_MIN_PIN          -1
 #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, Z_STEP_PIN, Z_DIR_PIN, Z_ENABLE_PIN, Z_MIN_PIN, Z_MAX_PIN, PS_ON_PIN, \
+#define SENSITIVE_PINS { 0, 1, \
-                        HEATER_BED_PIN, FAN_PIN, \
+                        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, \
+                        Z_STEP_PIN, Z_DIR_PIN, Z_ENABLE_PIN, Z_MIN_PIN, Z_MAX_PIN, Z_PROBE_PIN, \
+                        PS_ON_PIN, HEATER_BED_PIN, FAN_PIN, \
                         _E0_PINS _E1_PINS _E2_PINS _E3_PINS \
                         analogInputToDigitalPin(TEMP_BED_PIN) \
                        }

Marlin/pins_AZTEEG_X3_PRO.h

@@ -34,7 +34,12 @@
   #define Z_MAX_PIN          18
  #endif
 //
-
+ #ifdef Z_PROBE_ENDSTOP
+//#undef Z_MIN_PIN
+//#define Z_MIN_PIN        15
+  #define Z_PROBE_PIN      19
+ #endif
+//
 #define E2_STEP_PIN        23
 #define E2_DIR_PIN         25
 #define E2_ENABLE_PIN      40

Marlin/pins_RAMPS_13.h

@@ -34,6 +34,7 @@
 #define Z_ENABLE_PIN       62
 #define Z_MIN_PIN          18
 #define Z_MAX_PIN          19
+#define Z_PROBE_PIN        -1
 
 #define Y2_STEP_PIN        36
 #define Y2_DIR_PIN         34
@@ -61,7 +62,12 @@
   #define FILWIDTH_PIN        5
 #endif
 
-#if defined(FILAMENT_RUNOUT_SENSOR)
+#ifdef Z_PROBE_ENDSTOP
+  // Define a pin to use as the signal pin on Arduino for the Z_PROBE endstop.
+  #define Z_PROBE_PIN 32
+#endif
+
+#ifdef FILAMENT_RUNOUT_SENSOR
   // define digital pin 4 for the filament runout sensor. Use the RAMPS 1.4 digital input 4 on the servos connector
   #define FILRUNOUT_PIN        4
 #endif

Marlin/planner.cpp

@@ -58,7 +58,7 @@
 #include "ultralcd.h"
 #include "language.h"
 
-#if defined(MESH_BED_LEVELING)
+#ifdef MESH_BED_LEVELING
   #include "mesh_bed_leveling.h"
 #endif  // MESH_BED_LEVELING
 
@@ -67,7 +67,7 @@
 //===========================================================================
 
 unsigned long minsegmenttime;
-float max_feedrate[NUM_AXIS]; // set the max speeds
+float max_feedrate[NUM_AXIS]; // Max speeds in mm per minute
 float axis_steps_per_unit[NUM_AXIS];
 unsigned long max_acceleration_units_per_sq_second[NUM_AXIS]; // Use M201 to override by software
 float minimumfeedrate;
@@ -427,7 +427,7 @@ void check_axes_activity() {
     disable_e3();
   }
 
-  #if defined(FAN_PIN) && FAN_PIN > -1 // HAS_FAN
+  #if HAS_FAN
     #ifdef FAN_KICKSTART_TIME
       static unsigned long fan_kick_end;
       if (tail_fan_speed) {
@@ -447,17 +447,17 @@ void check_axes_activity() {
     #else
       analogWrite(FAN_PIN, tail_fan_speed);
     #endif //!FAN_SOFT_PWM
-  #endif //FAN_PIN > -1
+  #endif // HAS_FAN
 
   #ifdef AUTOTEMP
     getHighESpeed();
   #endif
 
   #ifdef BARICUDA
-    #if defined(HEATER_1_PIN) && HEATER_1_PIN > -1 // HAS_HEATER_1
+    #if HAS_HEATER_1
       analogWrite(HEATER_1_PIN,tail_valve_pressure);
     #endif
-    #if defined(HEATER_2_PIN) && HEATER_2_PIN > -1 // HAS_HEATER_2
+    #if HAS_HEATER_2
       analogWrite(HEATER_2_PIN,tail_e_to_p_pressure);
     #endif
   #endif
@@ -614,7 +614,7 @@ float junction_deviation = 0.1;
         #if EXTRUDERS > 1
           case 1:
             enable_e1();
-            g_uc_extruder_last_move[1] = BLOCK_BUFFER_SIZE*2;
+            g_uc_extruder_last_move[1] = BLOCK_BUFFER_SIZE * 2;
             if (g_uc_extruder_last_move[0] == 0) disable_e0();
             #if EXTRUDERS > 2
               if (g_uc_extruder_last_move[2] == 0) disable_e2();
@@ -626,7 +626,7 @@ float junction_deviation = 0.1;
           #if EXTRUDERS > 2
             case 2:
               enable_e2();
-              g_uc_extruder_last_move[2] = BLOCK_BUFFER_SIZE*2;
+              g_uc_extruder_last_move[2] = BLOCK_BUFFER_SIZE * 2;
               if (g_uc_extruder_last_move[0] == 0) disable_e0();
               if (g_uc_extruder_last_move[1] == 0) disable_e1();
               #if EXTRUDERS > 3
@@ -636,7 +636,7 @@ float junction_deviation = 0.1;
             #if EXTRUDERS > 3
               case 3:
                 enable_e3();
-                g_uc_extruder_last_move[3] = BLOCK_BUFFER_SIZE*2;
+                g_uc_extruder_last_move[3] = BLOCK_BUFFER_SIZE * 2;
                 if (g_uc_extruder_last_move[0] == 0) disable_e0();
                 if (g_uc_extruder_last_move[1] == 0) disable_e1();
                 if (g_uc_extruder_last_move[2] == 0) disable_e2();

Marlin/stepper.cpp

@@ -76,6 +76,7 @@ volatile long endstops_stepsTotal, endstops_stepsDone;
 static volatile bool endstop_x_hit = false;
 static volatile bool endstop_y_hit = false;
 static volatile bool endstop_z_hit = false;
+static volatile bool endstop_z_probe_hit = false; // Leaving this in even if Z_PROBE_ENDSTOP isn't defined, keeps code below cleaner. #ifdef it and usage below to save space.
 
 #ifdef ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED
   bool abort_on_endstop_hit = false;
@@ -85,33 +86,37 @@ static volatile bool endstop_z_hit = false;
   int motor_current_setting[3] = DEFAULT_PWM_MOTOR_CURRENT;
 #endif
 
-#if defined(X_MIN_PIN) && X_MIN_PIN >= 0
+#if HAS_X_MIN
   static bool old_x_min_endstop = false;
 #endif
-#if defined(X_MAX_PIN) && X_MAX_PIN >= 0
+#if HAS_X_MAX
   static bool old_x_max_endstop = false;
 #endif
-#if defined(Y_MIN_PIN) && Y_MIN_PIN >= 0
+#if HAS_Y_MIN
   static bool old_y_min_endstop = false;
 #endif
-#if defined(Y_MAX_PIN) && Y_MAX_PIN >= 0
+#if HAS_Y_MAX
   static bool old_y_max_endstop = false;
 #endif
-#if defined(Z_MIN_PIN) && Z_MIN_PIN >= 0
+#if HAS_Z_MIN
   static bool old_z_min_endstop = false;
 #endif
-#if defined(Z_MAX_PIN) && Z_MAX_PIN >= 0
+#if HAS_Z_MAX
   static bool old_z_max_endstop = false;
 #endif
 #ifdef Z_DUAL_ENDSTOPS
-  #if defined(Z2_MIN_PIN) && Z2_MIN_PIN >= 0
+  #if HAS_Z2_MIN
     static bool old_z2_min_endstop = false;
   #endif
-  #if defined(Z2_MAX_PIN) && Z2_MAX_PIN >= 0
+  #if HAS_Z2_MAX
     static bool old_z2_max_endstop = false;
   #endif
 #endif
 
+#ifdef Z_PROBE_ENDSTOP // No need to check for valid pin, SanityCheck.h already does this.
+static bool old_z_probe_endstop = false;
+#endif
+
 static bool check_endstops = true;
 
 volatile long count_position[NUM_AXIS] = { 0 };
@@ -254,11 +259,11 @@ volatile signed char count_direction[NUM_AXIS] = { 1, 1, 1, 1 };
 #define DISABLE_STEPPER_DRIVER_INTERRUPT() TIMSK1 &= ~BIT(OCIE1A)
 
 void endstops_hit_on_purpose() {
-  endstop_x_hit = endstop_y_hit = endstop_z_hit = false;
+  endstop_x_hit = endstop_y_hit = endstop_z_hit = endstop_z_probe_hit = false; // #ifdef endstop_z_probe_hit = to save space if needed.
 }
 
 void checkHitEndstops() {
-  if (endstop_x_hit || endstop_y_hit || endstop_z_hit) {
+  if (endstop_x_hit || endstop_y_hit || endstop_z_hit || endstop_z_probe_hit) { // #ifdef || endstop_z_probe_hit to save space if needed.
     SERIAL_ECHO_START;
     SERIAL_ECHOPGM(MSG_ENDSTOPS_HIT);
     if (endstop_x_hit) {
@@ -273,6 +278,12 @@ void checkHitEndstops() {
       SERIAL_ECHOPAIR(" Z:", (float)endstops_trigsteps[Z_AXIS] / axis_steps_per_unit[Z_AXIS]);
       LCD_MESSAGEPGM(MSG_ENDSTOPS_HIT "Z");
     }
+    #ifdef Z_PROBE_ENDSTOP
+    if (endstop_z_probe_hit) {
+    	SERIAL_ECHOPAIR(" Z_PROBE:", (float)endstops_trigsteps[Z_AXIS] / axis_steps_per_unit[Z_AXIS]);
+    	LCD_MESSAGEPGM(MSG_ENDSTOPS_HIT "ZP");
+    }
+    #endif
     SERIAL_EOL;
 
     endstops_hit_on_purpose();
@@ -472,7 +483,7 @@ ISR(TIMER1_COMPA_vect) {
               if ((current_block->active_extruder == 0 && X_HOME_DIR == -1) || (current_block->active_extruder != 0 && X2_HOME_DIR == -1))
             #endif          
               {
-                #if defined(X_MIN_PIN) && X_MIN_PIN >= 0
+                #if HAS_X_MIN
                   UPDATE_ENDSTOP(x, X, min, MIN);
                 #endif
               }
@@ -483,7 +494,7 @@ ISR(TIMER1_COMPA_vect) {
               if ((current_block->active_extruder == 0 && X_HOME_DIR == 1) || (current_block->active_extruder != 0 && X2_HOME_DIR == 1))
             #endif
               {
-                #if defined(X_MAX_PIN) && X_MAX_PIN >= 0
+                #if HAS_X_MAX
                   UPDATE_ENDSTOP(x, X, max, MAX);
                 #endif
               }
@@ -498,12 +509,12 @@ ISR(TIMER1_COMPA_vect) {
           if (TEST(out_bits, Y_AXIS))   // -direction
       #endif
           { // -direction
-            #if defined(Y_MIN_PIN) && Y_MIN_PIN >= 0
+            #if HAS_Y_MIN
               UPDATE_ENDSTOP(y, Y, min, MIN);
             #endif
           }
           else { // +direction
-            #if defined(Y_MAX_PIN) && Y_MAX_PIN >= 0
+            #if HAS_Y_MAX
               UPDATE_ENDSTOP(y, Y, max, MAX);
             #endif
           }
@@ -519,13 +530,13 @@ ISR(TIMER1_COMPA_vect) {
 
       if (check_endstops) {
 
-        #if defined(Z_MIN_PIN) && Z_MIN_PIN >= 0
+        #if HAS_Z_MIN
 
           #ifdef Z_DUAL_ENDSTOPS
 
             bool z_min_endstop = READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING,
                 z2_min_endstop =
-                  #if defined(Z2_MIN_PIN) && Z2_MIN_PIN >= 0
+                  #if HAS_Z2_MIN
                     READ(Z2_MIN_PIN) != Z2_MIN_ENDSTOP_INVERTING
                   #else
                     z_min_endstop
@@ -551,6 +562,19 @@ ISR(TIMER1_COMPA_vect) {
 
         #endif // Z_MIN_PIN
 
+        #ifdef Z_PROBE_ENDSTOP
+          UPDATE_ENDSTOP(z, Z, probe, PROBE);
+          z_probe_endstop=(READ(Z_PROBE_PIN) != Z_PROBE_ENDSTOP_INVERTING);
+          if(z_probe_endstop && old_z_probe_endstop)
+          {
+        	  endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS];
+        	  endstop_z_probe_hit=true;
+
+//        	  if (z_probe_endstop && old_z_probe_endstop) SERIAL_ECHOLN("z_probe_endstop = true");
+          }
+          old_z_probe_endstop = z_probe_endstop;
+        #endif
+        
       } // check_endstops
 
     }
@@ -561,13 +585,13 @@ ISR(TIMER1_COMPA_vect) {
 
       if (check_endstops) {
 
-        #if defined(Z_MAX_PIN) && Z_MAX_PIN >= 0
+        #if HAS_Z_MAX
 
           #ifdef Z_DUAL_ENDSTOPS
 
             bool z_max_endstop = READ(Z_MAX_PIN) != Z_MAX_ENDSTOP_INVERTING,
                 z2_max_endstop =
-                  #if defined(Z2_MAX_PIN) && Z2_MAX_PIN >= 0
+                  #if HAS_Z2_MAX
                     READ(Z2_MAX_PIN) != Z2_MAX_ENDSTOP_INVERTING
                   #else
                     z_max_endstop
@@ -597,6 +621,18 @@ ISR(TIMER1_COMPA_vect) {
 
         #endif // Z_MAX_PIN
         
+        #ifdef Z_PROBE_ENDSTOP
+          UPDATE_ENDSTOP(z, Z, probe, PROBE);
+          z_probe_endstop=(READ(Z_PROBE_PIN) != Z_PROBE_ENDSTOP_INVERTING);
+          if(z_probe_endstop && old_z_probe_endstop)
+          {
+        	  endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS];
+        	  endstop_z_probe_hit=true;
+//        	  if (z_probe_endstop && old_z_probe_endstop) SERIAL_ECHOLN("z_probe_endstop = true");
+          }
+          old_z_probe_endstop = z_probe_endstop;
+        #endif
+
       } // check_endstops
 
     } // +direction
@@ -679,7 +715,7 @@ ISR(TIMER1_COMPA_vect) {
       step_events_completed++;
       if (step_events_completed >= current_block->step_event_count) break;
     }
-    // Calculare new timer value
+    // Calculate new timer value
     unsigned short timer;
     unsigned short step_rate;
     if (step_events_completed <= (unsigned long int)current_block->accelerate_until) {
@@ -835,133 +871,140 @@ void st_init() {
   #endif
   
   // Initialize Dir Pins
-  #if defined(X_DIR_PIN) && X_DIR_PIN >= 0
+  #if HAS_X_DIR
     X_DIR_INIT;
   #endif
-  #if defined(X2_DIR_PIN) && X2_DIR_PIN >= 0
+  #if HAS_X2_DIR
     X2_DIR_INIT;
   #endif
-  #if defined(Y_DIR_PIN) && Y_DIR_PIN >= 0
+  #if HAS_Y_DIR
     Y_DIR_INIT;
-    #if defined(Y_DUAL_STEPPER_DRIVERS) && defined(Y2_DIR_PIN) && Y2_DIR_PIN >= 0
+    #if defined(Y_DUAL_STEPPER_DRIVERS) && HAS_Y2_DIR
       Y2_DIR_INIT;
     #endif
   #endif
-  #if defined(Z_DIR_PIN) && Z_DIR_PIN >= 0
+  #if HAS_Z_DIR
     Z_DIR_INIT;
-    #if defined(Z_DUAL_STEPPER_DRIVERS) && defined(Z2_DIR_PIN) && Z2_DIR_PIN >= 0
+    #if defined(Z_DUAL_STEPPER_DRIVERS) && HAS_Z2_DIR
       Z2_DIR_INIT;
     #endif
   #endif
-  #if defined(E0_DIR_PIN) && E0_DIR_PIN >= 0
+  #if HAS_E0_DIR
     E0_DIR_INIT;
   #endif
-  #if defined(E1_DIR_PIN) && E1_DIR_PIN >= 0
+  #if HAS_E1_DIR
     E1_DIR_INIT;
   #endif
-  #if defined(E2_DIR_PIN) && E2_DIR_PIN >= 0
+  #if HAS_E2_DIR
     E2_DIR_INIT;
   #endif
-  #if defined(E3_DIR_PIN) && E3_DIR_PIN >= 0
+  #if HAS_E3_DIR
     E3_DIR_INIT;
   #endif
 
   //Initialize Enable Pins - steppers default to disabled.
 
-  #if defined(X_ENABLE_PIN) && X_ENABLE_PIN >= 0
+  #if HAS_X_ENABLE
     X_ENABLE_INIT;
     if (!X_ENABLE_ON) X_ENABLE_WRITE(HIGH);
   #endif
-  #if defined(X2_ENABLE_PIN) && X2_ENABLE_PIN >= 0
+  #if HAS_X2_ENABLE
     X2_ENABLE_INIT;
     if (!X_ENABLE_ON) X2_ENABLE_WRITE(HIGH);
   #endif
-  #if defined(Y_ENABLE_PIN) && Y_ENABLE_PIN >= 0
+  #if HAS_Y_ENABLE
     Y_ENABLE_INIT;
     if (!Y_ENABLE_ON) Y_ENABLE_WRITE(HIGH);
 	
-	#if defined(Y_DUAL_STEPPER_DRIVERS) && defined(Y2_ENABLE_PIN) && Y2_ENABLE_PIN >= 0
+	#if defined(Y_DUAL_STEPPER_DRIVERS) && HAS_Y2_ENABLE
 	  Y2_ENABLE_INIT;
 	  if (!Y_ENABLE_ON) Y2_ENABLE_WRITE(HIGH);
 	#endif
   #endif
-  #if defined(Z_ENABLE_PIN) && Z_ENABLE_PIN >= 0
+  #if HAS_Z_ENABLE
     Z_ENABLE_INIT;
     if (!Z_ENABLE_ON) Z_ENABLE_WRITE(HIGH);
 
-    #if defined(Z_DUAL_STEPPER_DRIVERS) && defined(Z2_ENABLE_PIN) && Z2_ENABLE_PIN >= 0
+    #if defined(Z_DUAL_STEPPER_DRIVERS) && HAS_Z2_ENABLE
       Z2_ENABLE_INIT;
       if (!Z_ENABLE_ON) Z2_ENABLE_WRITE(HIGH);
     #endif
   #endif
-  #if defined(E0_ENABLE_PIN) && E0_ENABLE_PIN >= 0
+  #if HAS_E0_ENABLE
     E0_ENABLE_INIT;
     if (!E_ENABLE_ON) E0_ENABLE_WRITE(HIGH);
   #endif
-  #if defined(E1_ENABLE_PIN) && E1_ENABLE_PIN >= 0
+  #if HAS_E1_ENABLE
     E1_ENABLE_INIT;
     if (!E_ENABLE_ON) E1_ENABLE_WRITE(HIGH);
   #endif
-  #if defined(E2_ENABLE_PIN) && E2_ENABLE_PIN >= 0
+  #if HAS_E2_ENABLE
     E2_ENABLE_INIT;
     if (!E_ENABLE_ON) E2_ENABLE_WRITE(HIGH);
   #endif
-  #if defined(E3_ENABLE_PIN) && E3_ENABLE_PIN >= 0
+  #if HAS_E3_ENABLE
     E3_ENABLE_INIT;
     if (!E_ENABLE_ON) E3_ENABLE_WRITE(HIGH);
   #endif
 
   //endstops and pullups
 
-  #if defined(X_MIN_PIN) && X_MIN_PIN >= 0
+  #if HAS_X_MIN
     SET_INPUT(X_MIN_PIN);
     #ifdef ENDSTOPPULLUP_XMIN
       WRITE(X_MIN_PIN,HIGH);
     #endif
   #endif
 
-  #if defined(Y_MIN_PIN) && Y_MIN_PIN >= 0
+  #if HAS_Y_MIN
     SET_INPUT(Y_MIN_PIN);
     #ifdef ENDSTOPPULLUP_YMIN
       WRITE(Y_MIN_PIN,HIGH);
     #endif
   #endif
 
-  #if defined(Z_MIN_PIN) && Z_MIN_PIN >= 0
+  #if HAS_Z_MIN
     SET_INPUT(Z_MIN_PIN);
     #ifdef ENDSTOPPULLUP_ZMIN
       WRITE(Z_MIN_PIN,HIGH);
     #endif
   #endif
 
-  #if defined(X_MAX_PIN) && X_MAX_PIN >= 0
+  #if HAS_X_MAX
     SET_INPUT(X_MAX_PIN);
     #ifdef ENDSTOPPULLUP_XMAX
       WRITE(X_MAX_PIN,HIGH);
     #endif
   #endif
 
-  #if defined(Y_MAX_PIN) && Y_MAX_PIN >= 0
+  #if HAS_Y_MAX
     SET_INPUT(Y_MAX_PIN);
     #ifdef ENDSTOPPULLUP_YMAX
       WRITE(Y_MAX_PIN,HIGH);
     #endif
   #endif
 
-  #if defined(Z_MAX_PIN) && Z_MAX_PIN >= 0
+  #if HAS_Z_MAX
     SET_INPUT(Z_MAX_PIN);
     #ifdef ENDSTOPPULLUP_ZMAX
       WRITE(Z_MAX_PIN,HIGH);
     #endif
   #endif
 
-  #if defined(Z2_MAX_PIN) && Z2_MAX_PIN >= 0
+  #if HAS_Z2_MAX
     SET_INPUT(Z2_MAX_PIN);
     #ifdef ENDSTOPPULLUP_ZMAX
       WRITE(Z2_MAX_PIN,HIGH);
     #endif
   #endif  
   
+#if (defined(Z_PROBE_PIN) && Z_PROBE_PIN >= 0) && defined(Z_PROBE_ENDSTOP) // Check for Z_PROBE_ENDSTOP so we don't pull a pin high unless it's to be used.
+  SET_INPUT(Z_PROBE_PIN);
+  #ifdef ENDSTOPPULLUP_ZPROBE
+    WRITE(Z_PROBE_PIN,HIGH);
+  #endif
+#endif
+
   #define AXIS_INIT(axis, AXIS, PIN) \
     AXIS ##_STEP_INIT; \
     AXIS ##_STEP_WRITE(INVERT_## PIN ##_STEP_PIN); \
@@ -970,36 +1013,36 @@ void st_init() {
   #define E_AXIS_INIT(NUM) AXIS_INIT(e## NUM, E## NUM, E)
 
   // Initialize Step Pins
-  #if defined(X_STEP_PIN) && X_STEP_PIN >= 0
+  #if HAS_X_STEP
     AXIS_INIT(x, X, X);
   #endif
-  #if defined(X2_STEP_PIN) && X2_STEP_PIN >= 0
+  #if HAS_X2_STEP
     AXIS_INIT(x, X2, X);
   #endif
-  #if defined(Y_STEP_PIN) && Y_STEP_PIN >= 0
+  #if HAS_Y_STEP
-    #if defined(Y_DUAL_STEPPER_DRIVERS) && defined(Y2_STEP_PIN) && Y2_STEP_PIN >= 0
+    #if defined(Y_DUAL_STEPPER_DRIVERS) && HAS_Y2_STEP
       Y2_STEP_INIT;
       Y2_STEP_WRITE(INVERT_Y_STEP_PIN);
     #endif
     AXIS_INIT(y, Y, Y);
   #endif
-  #if defined(Z_STEP_PIN) && Z_STEP_PIN >= 0
+  #if HAS_Z_STEP
-    #if defined(Z_DUAL_STEPPER_DRIVERS) && defined(Z2_STEP_PIN) && Z2_STEP_PIN >= 0
+    #if defined(Z_DUAL_STEPPER_DRIVERS) && HAS_Z2_STEP
       Z2_STEP_INIT;
       Z2_STEP_WRITE(INVERT_Z_STEP_PIN);
     #endif
     AXIS_INIT(z, Z, Z);
   #endif
-  #if defined(E0_STEP_PIN) && E0_STEP_PIN >= 0
+  #if HAS_E0_STEP
     E_AXIS_INIT(0);
   #endif
-  #if defined(E1_STEP_PIN) && E1_STEP_PIN >= 0
+  #if HAS_E1_STEP
     E_AXIS_INIT(1);
   #endif
-  #if defined(E2_STEP_PIN) && E2_STEP_PIN >= 0
+  #if HAS_E2_STEP
     E_AXIS_INIT(2);
   #endif
-  #if defined(E3_STEP_PIN) && E3_STEP_PIN >= 0
+  #if HAS_E3_STEP
     E_AXIS_INIT(3);
   #endif
 
@@ -1084,13 +1127,7 @@ long st_get_position(uint8_t axis) {
 
 void finishAndDisableSteppers() {
   st_synchronize();
-  disable_x();
+  disable_all_steppers();
-  disable_y();
-  disable_z();
-  disable_e0();
-  disable_e1();
-  disable_e2();
-  disable_e3();
 }
 
 void quickStop() {
@@ -1220,12 +1257,12 @@ void digipot_current(uint8_t driver, int current) {
 }
 
 void microstep_init() {
-  #if defined(E1_MS1_PIN) && E1_MS1_PIN >= 0
+  #if HAS_MICROSTEPS_E1
     pinMode(E1_MS1_PIN,OUTPUT);
     pinMode(E1_MS2_PIN,OUTPUT);
   #endif
 
-  #if defined(X_MS1_PIN) && X_MS1_PIN >= 0
+  #if HAS_MICROSTEPS
     pinMode(X_MS1_PIN,OUTPUT);
     pinMode(X_MS2_PIN,OUTPUT);  
     pinMode(Y_MS1_PIN,OUTPUT);
@@ -1246,7 +1283,7 @@ void microstep_ms(uint8_t driver, int8_t ms1, int8_t ms2) {
     case 1: digitalWrite(Y_MS1_PIN, ms1); break;
     case 2: digitalWrite(Z_MS1_PIN, ms1); break;
     case 3: digitalWrite(E0_MS1_PIN, ms1); break;
-    #if defined(E1_MS1_PIN) && E1_MS1_PIN >= 0
+    #if HAS_MICROSTEPS_E1
       case 4: digitalWrite(E1_MS1_PIN, ms1); break;
     #endif
   }
@@ -1285,7 +1322,7 @@ void microstep_readings() {
   SERIAL_PROTOCOLPGM("E0: ");
   SERIAL_PROTOCOL(digitalRead(E0_MS1_PIN));
   SERIAL_PROTOCOLLN(digitalRead(E0_MS2_PIN));
-  #if defined(E1_MS1_PIN) && E1_MS1_PIN >= 0
+  #if HAS_MICROSTEPS_E1
     SERIAL_PROTOCOLPGM("E1: ");
     SERIAL_PROTOCOL(digitalRead(E1_MS1_PIN));
     SERIAL_PROTOCOLLN(digitalRead(E1_MS2_PIN));

Marlin/temperature.cpp

@@ -1,5 +1,5 @@
 /*
-  temperature.c - temperature control
+  temperature.cpp - temperature control
   Part of Marlin
   
  Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
@@ -16,18 +16,7 @@
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
+*/
-
-/*
- This firmware is a mashup between Sprinter and grbl.
-  (https://github.com/kliment/Sprinter)
-  (https://github.com/simen/grbl/tree)
- 
- It has preliminary support for Matthew Roberts advance algorithm 
-    http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
-
- */
-
 
 #include "Marlin.h"
 #include "ultralcd.h"
@@ -87,14 +76,14 @@ unsigned char soft_pwm_bed;
 #define HAS_HEATER_THERMAL_PROTECTION (defined(THERMAL_RUNAWAY_PROTECTION_PERIOD) && THERMAL_RUNAWAY_PROTECTION_PERIOD > 0)
 #define HAS_BED_THERMAL_PROTECTION (defined(THERMAL_RUNAWAY_PROTECTION_BED_PERIOD) && THERMAL_RUNAWAY_PROTECTION_BED_PERIOD > 0 && TEMP_SENSOR_BED != 0)
 #if HAS_HEATER_THERMAL_PROTECTION || HAS_BED_THERMAL_PROTECTION
-  static bool thermal_runaway = false;
+  enum TRState { TRReset, TRInactive, TRFirstHeating, TRStable, TRRunaway };
-  void thermal_runaway_protection(int *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc);
+  void thermal_runaway_protection(TRState *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc);
   #if HAS_HEATER_THERMAL_PROTECTION
-    static int thermal_runaway_state_machine[4]; // = {0,0,0,0};
+    static TRState thermal_runaway_state_machine[4] = { TRReset, TRReset, TRReset, TRReset };
     static unsigned long thermal_runaway_timer[4]; // = {0,0,0,0};
   #endif
   #if HAS_BED_THERMAL_PROTECTION
-    static int thermal_runaway_bed_state_machine;
+    static TRState thermal_runaway_bed_state_machine = TRReset;
     static unsigned long thermal_runaway_bed_timer;
   #endif
 #endif
@@ -238,7 +227,7 @@ void PID_autotune(float temp, int extruder, int ncycles)
     soft_pwm[extruder] = bias = d = PID_MAX / 2;
 
   // PID Tuning loop
-  for(;;) {
+  for (;;) {
 
     unsigned long ms = millis();
 
@@ -609,7 +598,7 @@ void manage_heater() {
   // Loop through all extruders
   for (int e = 0; e < EXTRUDERS; e++) {
 
-    #if defined (THERMAL_RUNAWAY_PROTECTION_PERIOD) && THERMAL_RUNAWAY_PROTECTION_PERIOD > 0
+    #if HAS_HEATER_THERMAL_PROTECTION
       thermal_runaway_protection(&thermal_runaway_state_machine[e], &thermal_runaway_timer[e], current_temperature[e], target_temperature[e], e, THERMAL_RUNAWAY_PROTECTION_PERIOD, THERMAL_RUNAWAY_PROTECTION_HYSTERESIS);
     #endif
 
@@ -637,7 +626,7 @@ void manage_heater() {
         disable_heater();
         _temp_error(0, PSTR(MSG_EXTRUDER_SWITCHED_OFF), PSTR(MSG_ERR_REDUNDANT_TEMP));
       }
-    #endif //TEMP_SENSOR_1_AS_REDUNDANT
+    #endif // TEMP_SENSOR_1_AS_REDUNDANT
 
   } // Extruders Loop
 
@@ -656,7 +645,7 @@ void manage_heater() {
   #if TEMP_SENSOR_BED != 0
   
     #if HAS_BED_THERMAL_PROTECTION
-      thermal_runaway_protection(&thermal_runaway_bed_state_machine, &thermal_runaway_bed_timer, current_temperature_bed, target_temperature_bed, 9, THERMAL_RUNAWAY_PROTECTION_BED_PERIOD, THERMAL_RUNAWAY_PROTECTION_BED_HYSTERESIS);
+      thermal_runaway_protection(&thermal_runaway_bed_state_machine, &thermal_runaway_bed_timer, current_temperature_bed, target_temperature_bed, -1, THERMAL_RUNAWAY_PROTECTION_BED_PERIOD, THERMAL_RUNAWAY_PROTECTION_BED_HYSTERESIS);
     #endif
 
     #ifdef PIDTEMPBED
@@ -1014,69 +1003,72 @@ void setWatch() {
 }
 
 #if HAS_HEATER_THERMAL_PROTECTION || HAS_BED_THERMAL_PROTECTION
-void thermal_runaway_protection(int *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc)
+
-{
+  void thermal_runaway_protection(TRState *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc) {
-/*
+
-      SERIAL_ECHO_START;
+    static float tr_target_temperature[EXTRUDERS+1] = { 0.0 };
-      SERIAL_ECHO("Thermal Thermal Runaway Running. Heater ID:");
+
-      SERIAL_ECHO(heater_id);
+    /*
-      SERIAL_ECHO(" ;  State:");
+        SERIAL_ECHO_START;
-      SERIAL_ECHO(*state);
+        SERIAL_ECHOPGM("Thermal Thermal Runaway Running. Heater ID: ");
-      SERIAL_ECHO(" ;  Timer:");
+        if (heater_id < 0) SERIAL_ECHOPGM("bed"); else SERIAL_ECHOPGM(heater_id);
-      SERIAL_ECHO(*timer);
+        SERIAL_ECHOPGM(" ;  State:");
-      SERIAL_ECHO(" ;  Temperature:");
+        SERIAL_ECHOPGM(*state);
-      SERIAL_ECHO(temperature);
+        SERIAL_ECHOPGM(" ;  Timer:");
-      SERIAL_ECHO(" ;  Target Temp:");
+        SERIAL_ECHOPGM(*timer);
-      SERIAL_ECHO(target_temperature);
+        SERIAL_ECHOPGM(" ;  Temperature:");
-      SERIAL_ECHOLN("");    
+        SERIAL_ECHOPGM(temperature);
-*/
+        SERIAL_ECHOPGM(" ;  Target Temp:");
-  if ((target_temperature == 0) || thermal_runaway)
+        SERIAL_ECHOPGM(target_temperature);
-  {
+        SERIAL_EOL;
-    *state = 0;
+    */
-    *timer = 0;
+
-    return;
+    int heater_index = heater_id >= 0 ? heater_id : EXTRUDERS;
-  }
+
-  switch (*state)
+    // If the target temperature changes, restart
-  {
+    if (tr_target_temperature[heater_index] != target_temperature)
-    case 0: // "Heater Inactive" state
+      *state = TRReset;
-      if (target_temperature > 0) *state = 1;
+
-      break;
+    switch (*state) {
-    case 1: // "First Heating" state
+      case TRReset:
-      if (temperature >= target_temperature) *state = 2;
+        *timer = 0;
-      break;
+        *state = TRInactive;
-    case 2: // "Temperature Stable" state
+        break;
-    {
+      // Inactive state waits for a target temperature to be set
-      unsigned long ms = millis();
+      case TRInactive:
-      if (temperature >= (target_temperature - hysteresis_degc))
+        if (target_temperature > 0) {
-      {
+          tr_target_temperature[heater_index] = target_temperature;
-        *timer = ms;
+          *state = TRFirstHeating;
-      } 
+        }
-      else if ( (ms - *timer) > ((unsigned long) period_seconds) * 1000)
+        break;
-      {
+      // When first heating, wait for the temperature to be reached then go to Stable state
+      case TRFirstHeating:
+        if (temperature >= tr_target_temperature[heater_index]) *state = TRStable;
+        break;
+      // While the temperature is stable watch for a bad temperature
+      case TRStable:
+        // If the temperature is over the target (-hysteresis) restart the timer
+        if (temperature >= tr_target_temperature[heater_index] - hysteresis_degc)
+          *timer = millis();
+          // If the timer goes too long without a reset, trigger shutdown
+        else if (millis() > *timer + period_seconds * 1000UL)
+          *state = TRRunaway;
+        break;
+      case TRRunaway:
         SERIAL_ERROR_START;
         SERIAL_ERRORLNPGM(MSG_THERMAL_RUNAWAY_STOP);
-        SERIAL_ERRORLN((int)heater_id);
+        if (heater_id < 0) SERIAL_ERRORLNPGM("bed"); else SERIAL_ERRORLN(heater_id);
-        LCD_ALERTMESSAGEPGM(MSG_THERMAL_RUNAWAY); // translatable
+        LCD_ALERTMESSAGEPGM(MSG_THERMAL_RUNAWAY);
-        thermal_runaway = true;
+        disable_heater();
-        while(1)
+        disable_all_steppers();
-        {
+        for (;;) {
-          disable_heater();
-          disable_x();
-          disable_y();
-          disable_z();
-          disable_e0();
-          disable_e1();
-          disable_e2();
-          disable_e3();
           manage_heater();
           lcd_update();
         }
-      }
+    }
-    } break;
   }
-}
-#endif //THERMAL_RUNAWAY_PROTECTION_PERIOD
 
+#endif // HAS_HEATER_THERMAL_PROTECTION || HAS_BED_THERMAL_PROTECTION
 
 void disable_heater() {
   for (int i=0; i<EXTRUDERS; i++) setTargetHotend(0, i);
@@ -1559,7 +1551,7 @@ ISR(TIMER0_COMPB_vect) {
       #else
         #define GE2 >=
       #endif
-      if (current_temperature_raw[2] GE2 (maxttemp_raw[2]) max_temp_error(2);
+      if (current_temperature_raw[2] GE2 maxttemp_raw[2]) max_temp_error(2);
       if (minttemp_raw[2] GE2 current_temperature_raw[2]) min_temp_error(2);
     #endif // TEMP_SENSOR_2
 

Marlin/temperature.h

@@ -18,8 +18,8 @@
   along with Grbl.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef temperature_h
+#ifndef TEMPERATURE_H
-#define temperature_h 
+#define TEMPERATURE_H 
 
 #include "Marlin.h"
 #include "planner.h"
@@ -53,7 +53,7 @@ extern float current_temperature_bed;
   extern float redundant_temperature;
 #endif
 
-#if defined(CONTROLLERFAN_PIN) && CONTROLLERFAN_PIN > -1
+#if HAS_CONTROLLERFAN
   extern unsigned char soft_pwm_bed;
 #endif
 
@@ -72,11 +72,11 @@ extern float current_temperature_bed;
   float unscalePID_d(float d);
 
 #endif
+
 #ifdef PIDTEMPBED
   extern float bedKp,bedKi,bedKd;
 #endif
   
-  
 #ifdef BABYSTEPPING
   extern volatile int babystepsTodo[3];
 #endif
@@ -105,40 +105,27 @@ FORCE_INLINE bool isHeatingBed() { return target_temperature_bed > current_tempe
 FORCE_INLINE bool isCoolingHotend(uint8_t extruder) { return target_temperature[extruder] < current_temperature[extruder]; }
 FORCE_INLINE bool isCoolingBed() { return target_temperature_bed < current_temperature_bed; }
 
-#define degHotend0() degHotend(0)
+#define HOTEND_ROUTINES(NR) \
-#define degTargetHotend0() degTargetHotend(0)
+  FORCE_INLINE float degHotend##NR() { return degHotend(NR); } \
-#define setTargetHotend0(_celsius) setTargetHotend((_celsius), 0)
+  FORCE_INLINE float degTargetHotend##NR() { return degTargetHotend(NR); } \
-#define isHeatingHotend0() isHeatingHotend(0)
+  FORCE_INLINE void setTargetHotend##NR(const float c) { setTargetHotend(c, NR); } \
-#define isCoolingHotend0() isCoolingHotend(0)
+  FORCE_INLINE bool isHeatingHotend##NR() { return isHeatingHotend(NR); } \
+  FORCE_INLINE bool isCoolingHotend##NR() { return isCoolingHotend(NR); }
+HOTEND_ROUTINES(0);
 #if EXTRUDERS > 1
-  #define degHotend1() degHotend(1)
+  HOTEND_ROUTINES(1);
-  #define degTargetHotend1() degTargetHotend(1)
-  #define setTargetHotend1(_celsius) setTargetHotend((_celsius), 1)
-  #define isHeatingHotend1() isHeatingHotend(1)
-  #define isCoolingHotend1() isCoolingHotend(1)
 #else
-  #define setTargetHotend1(_celsius) do{}while(0)
+  #define setTargetHotend1(c) do{}while(0)
 #endif
 #if EXTRUDERS > 2
-  #define degHotend2() degHotend(2)
+  HOTEND_ROUTINES(2);
-  #define degTargetHotend2() degTargetHotend(2)
-  #define setTargetHotend2(_celsius) setTargetHotend((_celsius), 2)
-  #define isHeatingHotend2() isHeatingHotend(2)
-  #define isCoolingHotend2() isCoolingHotend(2)
 #else
-  #define setTargetHotend2(_celsius) do{}while(0)
+  #define setTargetHotend2(c) do{}while(0)
 #endif
 #if EXTRUDERS > 3
-  #define degHotend3() degHotend(3)
+  HOTEND_ROUTINES(3);
-  #define degTargetHotend3() degTargetHotend(3)
-  #define setTargetHotend3(_celsius) setTargetHotend((_celsius), 3)
-  #define isHeatingHotend3() isHeatingHotend(3)
-  #define isCoolingHotend3() isCoolingHotend(3)
 #else
-  #define setTargetHotend3(_celsius) do{}while(0)
+  #define setTargetHotend3(c) do{}while(0)
-#endif
-#if EXTRUDERS > 4
-  #error Invalid number of extruders
 #endif
 
 int getHeaterPower(int heater);
@@ -161,5 +148,4 @@ FORCE_INLINE void autotempShutdown() {
   #endif
 }
 
-
+#endif // TEMPERATURE_H
-#endif

Marlin/ultralcd.cpp

@@ -262,8 +262,7 @@ static void lcd_goto_menu(menuFunc_t menu, const uint32_t encoder=0, const bool
 }
 
 /* Main status screen. It's up to the implementation specific part to show what is needed. As this is very display dependent */
-static void lcd_status_screen()
+static void lcd_status_screen() {
-{
 	encoderRateMultiplierEnabled = false;
 
   #ifdef LCD_PROGRESS_BAR
@@ -296,15 +295,7 @@ static void lcd_status_screen()
     #endif
   #endif //LCD_PROGRESS_BAR
 
-  if (lcd_status_update_delay)
-    lcd_status_update_delay--;
-  else
-    lcdDrawUpdate = 1;
-
-  if (lcdDrawUpdate) {
     lcd_implementation_status_screen();
-    lcd_status_update_delay = 10;   /* redraw the main screen every second. This is easier then trying keep track of all things that change on the screen */
-  }
 
 #ifdef ULTIPANEL
 
@@ -1349,27 +1340,36 @@ void lcd_update() {
             } // encoderRateMultiplierEnabled
           #endif //ENCODER_RATE_MULTIPLIER
 
-          lcdDrawUpdate = 1;
           encoderPosition += (encoderDiff * encoderMultiplier) / ENCODER_PULSES_PER_STEP;
           encoderDiff = 0;
         }
         timeoutToStatus = ms + LCD_TIMEOUT_TO_STATUS;
+        lcdDrawUpdate = 1;
       }
-
     #endif //ULTIPANEL
 
+    if (currentMenu == lcd_status_screen) {
+      if (!lcd_status_update_delay) {
+        lcdDrawUpdate = 1;
+        lcd_status_update_delay = 10;   /* redraw the main screen every second. This is easier then trying keep track of all things that change on the screen */
+      }
+      else {
+        lcd_status_update_delay--;
+      }
+    }
     #ifdef DOGLCD  // Changes due to different driver architecture of the DOGM display
-      blink++;     // Variable for fan animation and alive dot
+      if (lcdDrawUpdate) {
-      u8g.firstPage();
+        blink++;     // Variable for fan animation and alive dot
-      do {
+        u8g.firstPage();
-        lcd_setFont(FONT_MENU);
+        do {
-        u8g.setPrintPos(125, 0);
+          lcd_setFont(FONT_MENU);
-        if (blink % 2) u8g.setColorIndex(1); else u8g.setColorIndex(0); // Set color for the alive dot
+          u8g.setPrintPos(125, 0);
-        u8g.drawPixel(127, 63); // draw alive dot
+          if (blink % 2) u8g.setColorIndex(1); else u8g.setColorIndex(0); // Set color for the alive dot
-        u8g.setColorIndex(1); // black on white
+          u8g.drawPixel(127, 63); // draw alive dot
-        (*currentMenu)();
+          u8g.setColorIndex(1); // black on white
-        if (!lcdDrawUpdate) break; // Terminate display update, when nothing new to draw. This must be done before the last dogm.next()
+          (*currentMenu)();
-      } while( u8g.nextPage() );
+        } while( u8g.nextPage() );
+      }
     #else
       (*currentMenu)();
     #endif
@@ -1789,7 +1789,7 @@ char *ftostr52(const float &x) {
   return conv;
 }
 
-#if defined(MANUAL_BED_LEVELING)
+#ifdef MANUAL_BED_LEVELING
 static int _lcd_level_bed_position;
 static void _lcd_level_bed()
 {
@@ -1849,8 +1849,7 @@ static void _lcd_level_bed_homing()
     lcd_goto_menu(_lcd_level_bed);
   }
 }
-static void lcd_level_bed()
+static void lcd_level_bed() {
-{
   axis_known_position[X_AXIS] = false;
   axis_known_position[Y_AXIS] = false;
   axis_known_position[Z_AXIS] = false;

Marlin/ultralcd.h

@@ -64,14 +64,14 @@
 
     #define LCD_CLICKED (buttons&EN_C)
     #ifdef REPRAPWORLD_KEYPAD
-  	  #define EN_REPRAPWORLD_KEYPAD_F3 BIT(BLEN_REPRAPWORLD_KEYPAD_F3)
+  	  #define EN_REPRAPWORLD_KEYPAD_F3 (BIT(BLEN_REPRAPWORLD_KEYPAD_F3))
-  	  #define EN_REPRAPWORLD_KEYPAD_F2 BIT(BLEN_REPRAPWORLD_KEYPAD_F2)
+  	  #define EN_REPRAPWORLD_KEYPAD_F2 (BIT(BLEN_REPRAPWORLD_KEYPAD_F2))
-  	  #define EN_REPRAPWORLD_KEYPAD_F1 BIT(BLEN_REPRAPWORLD_KEYPAD_F1)
+  	  #define EN_REPRAPWORLD_KEYPAD_F1 (BIT(BLEN_REPRAPWORLD_KEYPAD_F1))
-  	  #define EN_REPRAPWORLD_KEYPAD_UP BIT(BLEN_REPRAPWORLD_KEYPAD_UP)
+  	  #define EN_REPRAPWORLD_KEYPAD_UP (BIT(BLEN_REPRAPWORLD_KEYPAD_UP))
-  	  #define EN_REPRAPWORLD_KEYPAD_RIGHT BIT(BLEN_REPRAPWORLD_KEYPAD_RIGHT)
+  	  #define EN_REPRAPWORLD_KEYPAD_RIGHT (BIT(BLEN_REPRAPWORLD_KEYPAD_RIGHT))
-  	  #define EN_REPRAPWORLD_KEYPAD_MIDDLE BIT(BLEN_REPRAPWORLD_KEYPAD_MIDDLE)
+  	  #define EN_REPRAPWORLD_KEYPAD_MIDDLE (BIT(BLEN_REPRAPWORLD_KEYPAD_MIDDLE))
-  	  #define EN_REPRAPWORLD_KEYPAD_DOWN BIT(BLEN_REPRAPWORLD_KEYPAD_DOWN)
+  	  #define EN_REPRAPWORLD_KEYPAD_DOWN (BIT(BLEN_REPRAPWORLD_KEYPAD_DOWN))
-  	  #define EN_REPRAPWORLD_KEYPAD_LEFT BIT(BLEN_REPRAPWORLD_KEYPAD_LEFT)
+  	  #define EN_REPRAPWORLD_KEYPAD_LEFT (BIT(BLEN_REPRAPWORLD_KEYPAD_LEFT))
 
   	  #define LCD_CLICKED ((buttons&EN_C) || (buttons_reprapworld_keypad&EN_REPRAPWORLD_KEYPAD_F1))
   	  #define REPRAPWORLD_KEYPAD_MOVE_Z_UP (buttons_reprapworld_keypad&EN_REPRAPWORLD_KEYPAD_F2)

Marlin/vector_3.cpp

@@ -125,9 +125,9 @@ void matrix_3x3::debug(const char title[]) {
   int count = 0;
   for(int i=0; i<3; i++) {
     for(int j=0; j<3; j++) {
-      if (matrix[count] >= 0.0) SERIAL_PROTOCOLPGM("+");
+      if (matrix[count] >= 0.0) SERIAL_PROTOCOLCHAR('+');
       SERIAL_PROTOCOL_F(matrix[count], 6);
-      SERIAL_PROTOCOLPGM(" ");
+      SERIAL_PROTOCOLCHAR(' ');
       count++;
     }
     SERIAL_EOL;

README.md

@@ -18,8 +18,8 @@
 ## Quick Information
 
 This is a firmware for reprap single-processor electronics setups.
-It also works on the Ultimaker PCB. It supports printing from SD card+Folders, and look-ahead trajectory planning.
+It also works on the Ultimaker PCB. It supports printing from SD card+Folders and look-ahead trajectory planning.
-This firmware is a mashup between [Sprinter](https://github.com/kliment/Sprinter), [grbl](https://github.com/simen/grbl) and many original parts.
+This firmware is a mashup between [Sprinter](https://github.com/kliment/Sprinter), [grbl](https://github.com/simen/grbl), and many original parts.
 
 ## Current Status: Bug Fixing
 
@@ -31,18 +31,18 @@ We are actively looking for testers. So please try the current development versi
 
 ## Contact
 
-__IRC:__ #marlin-firmware @freenode ([WebChat Client](https://webchat.freenode.net/?channels=marlin-firmware)
+__Google Hangout:__ <a href="https://plus.google.com/hangouts/_/g2wp5duzb2y6ahikg6tmwao3kua" target="_blank">Hagnout</a>
 
 ## Credits
 
 The current Marlin dev team consists of:
 
- - Erik van der Zalm ([@ErikZalm](https://github.com/ErikZalm))
+ - Scott Lahteine [@thinkyhead]
- - [@daid](https://github.com/daid)
+ - 
 
 Sprinters lead developers are Kliment and caru.
-Grbls lead developer is Simen Svale Skogsrud.
+Grbl's lead developer is Simen Svale Skogsrud.
-Sonney Jeon (Chamnit) improved some parts of grbl
+Sonney Jeon (Chamnit) improved some parts of grbl.
 A fork by bkubicek for the Ultimaker was merged.
 
 More features have been added by: