Merge remote-tracking branch 'MarlinFirmware/Development' into Development

Conflicts:
	Marlin/Marlin_main.cpp

Marlin/Configuration.h

 // This defines the number of extruders
 #define EXTRUDERS 1
 
+// Offset of the extruders (uncomment if using more than one and relying on firmware to position when changing).
+// The offset has to be X=0, Y=0 for the extruder 0 hotend (default extruder).
+// For the other hotends it is their distance from the extruder 0 hotend.
+//#define EXTRUDER_OFFSET_X {0.0, 20.00} // (in mm) for each extruder, offset of the hotend on the X axis
+//#define EXTRUDER_OFFSET_Y {0.0, 5.00}  // (in mm) for each extruder, offset of the hotend on the Y axis
+
 //// The following define selects which power supply you have. Please choose the one that matches your setup
 // 1 = ATX
 // 2 = X-Box 360 203Watts (the blue wire connected to PS_ON and the red wire to VCC)
 #define DEFAULT_RETRACT_ACCELERATION  3000   // E acceleration in mm/s^2 for retracts
 #define DEFAULT_TRAVEL_ACCELERATION   3000    // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
 
-// Offset of the extruders (uncomment if using more than one and relying on firmware to position when changing).
-// The offset has to be X=0, Y=0 for the extruder 0 hotend (default extruder).
-// For the other hotends it is their distance from the extruder 0 hotend.
-// #define EXTRUDER_OFFSET_X {0.0, 20.00} // (in mm) for each extruder, offset of the hotend on the X axis
-// #define EXTRUDER_OFFSET_Y {0.0, 5.00}  // (in mm) for each extruder, offset of the hotend on the Y axis
-
 // The speed change that does not require acceleration (i.e. the software might assume it can be done instantaneously)
 #define DEFAULT_XYJERK                20.0    // (mm/sec)
 #define DEFAULT_ZJERK                 0.4     // (mm/sec)
 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/Marlin_main.cpp

 float max_pos[3] = { X_MAX_POS, Y_MAX_POS, Z_MAX_POS };
 bool axis_known_position[3] = { false };
 
-// Extruder offset
+// Extruder offsets
 #if EXTRUDERS > 1
   #ifndef EXTRUDER_OFFSET_X
-    #define EXTRUDER_OFFSET_X 0
+    #define EXTRUDER_OFFSET_X { 0 }
   #endif
   #ifndef EXTRUDER_OFFSET_Y
-    #define EXTRUDER_OFFSET_Y 0
+    #define EXTRUDER_OFFSET_Y { 0 }
   #endif
-  #ifndef DUAL_X_CARRIAGE
-    #define NUM_EXTRUDER_OFFSETS 2 // only in XY plane
-  #else
-    #define NUM_EXTRUDER_OFFSETS 3 // supports offsets in XYZ plane
-  #endif
-  #define _EXY { EXTRUDER_OFFSET_X, EXTRUDER_OFFSET_Y }
-  float extruder_offset[EXTRUDERS][NUM_EXTRUDER_OFFSETS] = ARRAY_BY_EXTRUDERS(_EXY, _EXY, _EXY, _EXY);
+  float extruder_offset[][EXTRUDERS] = {
+    EXTRUDER_OFFSET_X,
+    EXTRUDER_OFFSET_Y
+    #ifdef DUAL_X_CARRIAGE
+      , { 0 } // supports offsets in XYZ plane
+    #endif
+  };
 #endif
 
 uint8_t active_extruder = 0;
       // second X-carriage offset when homed - otherwise X2_HOME_POS is used.
       // This allow soft recalibration of the second extruder offset position without firmware reflash
       // (through the M218 command).
-      return (extruder_offset[1][X_AXIS] > 0) ? extruder_offset[1][X_AXIS] : X2_HOME_POS;
+      return (extruder_offset[X_AXIS][1] > 0) ? extruder_offset[X_AXIS][1] : X2_HOME_POS;
   }
 
   static int x_home_dir(int extruder) {
       if (active_extruder != 0) {
         current_position[X_AXIS] = x_home_pos(active_extruder);
                  min_pos[X_AXIS] = X2_MIN_POS;
-                 max_pos[X_AXIS] = max(extruder_offset[1][X_AXIS], X2_MAX_POS);
+                 max_pos[X_AXIS] = max(extruder_offset[X_AXIS][1], X2_MAX_POS);
         return;
       }
       else if (dual_x_carriage_mode == DXC_DUPLICATION_MODE) {
         float xoff = home_offset[X_AXIS];
         current_position[X_AXIS] = base_home_pos(X_AXIS) + xoff;
                  min_pos[X_AXIS] = base_min_pos(X_AXIS) + xoff;
-                 max_pos[X_AXIS] = min(base_max_pos(X_AXIS) + xoff, max(extruder_offset[1][X_AXIS], X2_MAX_POS) - duplicate_extruder_x_offset);
+                 max_pos[X_AXIS] = min(base_max_pos(X_AXIS) + xoff, max(extruder_offset[X_AXIS][1], X2_MAX_POS) - duplicate_extruder_x_offset);
         return;
       }
     }
         //corrected_position.debug("position after");
         current_position[X_AXIS] = corrected_position.x;
         current_position[Y_AXIS] = corrected_position.y;
-        current_position[Z_AXIS] = zprobe_zoffset; // was: corrected_position.z
+        current_position[Z_AXIS] = corrected_position.z;
 
         sync_plan_position();
       }
       vector_3 corrected_position = plan_get_position();
       current_position[X_AXIS] = corrected_position.x;
       current_position[Y_AXIS] = corrected_position.y;
-      current_position[Z_AXIS] = zprobe_zoffset; // was: corrected_position.z
+      current_position[Z_AXIS] = corrected_position.z;
 
       sync_plan_position();
     }
     previous_millis_cmd = millis();
   }
 
-<<<<<<< HEAD
-static void engage_z_probe() {
-  // Engage Z Servo endstop if enabled
-  #ifdef SERVO_ENDSTOPS
-    if (servo_endstops[Z_AXIS] > -1) {
-      #if SERVO_LEVELING
-        servos[servo_endstops[Z_AXIS]].attach(0);
-      #endif
-      servos[servo_endstops[Z_AXIS]].write(servo_endstop_angles[Z_AXIS * 2]);
-      #if SERVO_LEVELING
-        delay(PROBE_SERVO_DEACTIVATION_DELAY);
-        servos[servo_endstops[Z_AXIS]].detach();
-      #endif
-    }
-  #elif defined(Z_PROBE_ALLEN_KEY)
-    feedrate = homing_feedrate[X_AXIS];
-    
-    // Move to the start position to initiate deployment
-    destination[X_AXIS] = Z_PROBE_ALLEN_KEY_DEPLOY_X;
-    destination[Y_AXIS] = Z_PROBE_ALLEN_KEY_DEPLOY_Y;
-    destination[Z_AXIS] = Z_PROBE_ALLEN_KEY_DEPLOY_Z;
-    prepare_move_raw();
-
-    // Home X to touch the belt
-    feedrate = homing_feedrate[X_AXIS]/10;
-    destination[X_AXIS] = 0;
-    prepare_move_raw();
-    
-    // Home Y for safety
-    feedrate = homing_feedrate[X_AXIS]/2;
-    destination[Y_AXIS] = 0;
-    prepare_move_raw();
-    
-    st_synchronize();
-    
-    // If Z_PROBE_AND_ENDSTOP is changed to completely break it's bonds from Z_MIN_ENDSTOP and become
-    // it's own unique entity, then the following logic will need to be modified
-    // so it only uses the Z_PROBE
-    #if defined(Z_PROBE_AND_ENDSTOP)
-    bool z_probe_endstop = (READ(Z_PROBE_PIN) != Z_PROBE_ENDSTOP_INVERTING);
-    if (z_probe_endstop)
-    #else
-    bool z_min_endstop = (READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING);
-    if (z_min_endstop)
-    #endif
-    {
-        if (!Stopped)
-        {
-            SERIAL_ERROR_START;
-            SERIAL_ERRORLNPGM("Z-Probe failed to engage!");
-            LCD_ALERTMESSAGEPGM("Err: ZPROBE");
-=======
   static void engage_z_probe() {
 
     #ifdef SERVO_ENDSTOPS
 
       st_synchronize();
 
+    #if defined(Z_PROBE_AND_ENDSTOP)
+      bool z_probe_endstop = (READ(Z_PROBE_PIN) != Z_PROBE_ENDSTOP_INVERTING);
+      if (z_probe_endstop) {
+    #else
       bool z_min_endstop = (READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING);
-      if (z_min_endstop) {
+      if (!z_min_endstop) {
+    #endif
         if (!Stopped) {
           SERIAL_ERROR_START;
           SERIAL_ERRORLNPGM("Z-Probe failed to engage!");
           LCD_ALERTMESSAGEPGM("Err: ZPROBE");
->>>>>>> MarlinFirmware/Development
         }
         Stop();
       }
 
     #endif // Z_PROBE_ALLEN_KEY
-
-<<<<<<< HEAD
-static void retract_z_probe() {
-  // Retract Z Servo endstop if enabled
-  #ifdef SERVO_ENDSTOPS
-    if (servo_endstops[Z_AXIS] > -1)
-    {
-      #if Z_RAISE_AFTER_PROBING > 0
-        do_blocking_move_to(current_position[X_AXIS], current_position[Y_AXIS], Z_RAISE_AFTER_PROBING);
-        st_synchronize();
-      #endif
-    
-      #if SERVO_LEVELING
-        servos[servo_endstops[Z_AXIS]].attach(0);
-      #endif
-      servos[servo_endstops[Z_AXIS]].write(servo_endstop_angles[Z_AXIS * 2 + 1]);
-      #if SERVO_LEVELING
-        delay(PROBE_SERVO_DEACTIVATION_DELAY);
-        servos[servo_endstops[Z_AXIS]].detach();
-      #endif
-    }
-  #elif defined(Z_PROBE_ALLEN_KEY)
-    // Move up for safety
-    feedrate = homing_feedrate[X_AXIS];
-    destination[Z_AXIS] = current_position[Z_AXIS] + Z_RAISE_AFTER_PROBING;
-    prepare_move_raw();
-
-    // Move to the start position to initiate retraction
-    destination[X_AXIS] = Z_PROBE_ALLEN_KEY_RETRACT_X;
-    destination[Y_AXIS] = Z_PROBE_ALLEN_KEY_RETRACT_Y;
-    destination[Z_AXIS] = Z_PROBE_ALLEN_KEY_RETRACT_Z;
-    prepare_move_raw();
-
-    // Move the nozzle down to push the probe into retracted position
-    feedrate = homing_feedrate[Z_AXIS]/10;
-    destination[Z_AXIS] = current_position[Z_AXIS] - Z_PROBE_ALLEN_KEY_RETRACT_DEPTH;
-    prepare_move_raw();
-    
-    // Move up for safety
-    feedrate = homing_feedrate[Z_AXIS]/2;
-    destination[Z_AXIS] = current_position[Z_AXIS] + Z_PROBE_ALLEN_KEY_RETRACT_DEPTH * 2;
-    prepare_move_raw();
-    
-    // Home XY for safety
-    feedrate = homing_feedrate[X_AXIS]/2;
-    destination[X_AXIS] = 0;
-    destination[Y_AXIS] = 0;
-    prepare_move_raw();
-    
-    st_synchronize();
-    
-    // If Z_PROBE_AND_ENDSTOP is changed to completely break it's bonds from Z_MIN_ENDSTOP and become
-    // it's own unique entity, then the following logic will need to be modified
-    // so it only uses the Z_PROBE
-    #if defined(Z_PROBE_AND_ENDSTOP)
-    bool z_probe_endstop = (READ(Z_PROBE_PIN) != Z_PROBE_ENDSTOP_INVERTING);
-    if (z_probe_endstop)
-    #else
-    bool z_min_endstop = (READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING);
-    if (z_min_endstop)
-    #endif
-    {
-        if (!Stopped)
-        {
-            SERIAL_ERROR_START;
-            SERIAL_ERRORLNPGM("Z-Probe failed to retract!");
-            LCD_ALERTMESSAGEPGM("Err: ZPROBE");
-=======
+      
   }
 
-  static void retract_z_probe(const float z_after=Z_RAISE_AFTER_PROBING) {
+  static void retract_z_probe() {
 
     #ifdef SERVO_ENDSTOPS
 
       // Retract Z Servo endstop if enabled
       if (servo_endstops[Z_AXIS] >= 0) {
 
-        if (z_after > 0) {
-          do_blocking_move_to(current_position[X_AXIS], current_position[Y_AXIS], z_after);
+        #if Z_RAISE_AFTER_PROBING > 0
+          do_blocking_move_to(current_position[X_AXIS], current_position[Y_AXIS], Z_RAISE_AFTER_PROBING);
           st_synchronize();
->>>>>>> MarlinFirmware/Development
-        }
+        #endif
 
         #if SERVO_LEVELING
           servos[servo_endstops[Z_AXIS]].attach(0);
         #endif
-
-        servos[servo_endstops[Z_AXIS]].write(servo_endstop_angles[Z_AXIS * 2 + 1]);
-
+          
+          servos[servo_endstops[Z_AXIS]].write(servo_endstop_angles[Z_AXIS * 2 + 1]);
+          
         #if SERVO_LEVELING
           delay(PROBE_SERVO_DEACTIVATION_DELAY);
           servos[servo_endstops[Z_AXIS]].detach();
 
       st_synchronize();
 
-      // If Z_PROBE_AND_ENDSTOP is changed to completely break it's bonds from Z_MIN_ENDSTOP and become
-      // it's own unique entity, then the following logic will need to be modified
-      // so it only uses the Z_PROBE
+    #if defined(Z_PROBE_AND_ENDSTOP)
+      bool z_probe_endstop = (READ(Z_PROBE_PIN) != Z_PROBE_ENDSTOP_INVERTING);
+      if (z_probe_endstop) {
+    #else
       bool z_min_endstop = (READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING);
       if (!z_min_endstop) {
+    #endif
         if (!Stopped) {
           SERIAL_ERROR_START;
           SERIAL_ERRORLNPGM("Z-Probe failed to retract!");
     run_z_probe();
     float measured_z = current_position[Z_AXIS];
 
+    #if Z_RAISE_BETWEEN_PROBINGS > 0
+      if (retract_action == ProbeStay) {
+        do_blocking_move_to(current_position[X_AXIS], current_position[Y_AXIS], Z_RAISE_BETWEEN_PROBINGS);
+        st_synchronize();
+      }
+    #endif
+
     #if !defined(Z_PROBE_SLED) && !defined(Z_PROBE_ALLEN_KEY)
-      if (retract_action & ProbeRetract) retract_z_probe(z_before);
+      if (retract_action & ProbeRetract) retract_z_probe();
     #endif
 
     if (verbose_level > 2) {
 
     #endif // Z_PROBE_SLED
 
-<<<<<<< HEAD
-#ifndef Z_PROBE_SLED
-    // Engage Servo endstop if enabled and we are not using Z_PROBE_AND_ENDSTOP unless we are using Z_SAFE_HOMING
-    #ifdef SERVO_ENDSTOPS && (defined (Z_SAFE_HOMING) || ! defined (Z_PROBE_AND_ENDSTOP))
-      #if SERVO_LEVELING
-        if (axis==Z_AXIS) {
-          engage_z_probe();
-        }
-      else
-      #endif
-      if (servo_endstops[axis] > -1) {
-        servos[servo_endstops[axis]].write(servo_endstop_angles[axis * 2]);
-      }
-    #endif
-#endif // Z_PROBE_SLED
-=======
->>>>>>> MarlinFirmware/Development
     #ifdef Z_DUAL_ENDSTOPS
       if (axis == Z_AXIS) In_Homing_Process(true);
     #endif
   inline void gcode_M218() {
     if (setTargetedHotend(218)) return;
 
-    if (code_seen('X')) extruder_offset[tmp_extruder][X_AXIS] = code_value();
-    if (code_seen('Y')) extruder_offset[tmp_extruder][Y_AXIS] = code_value();
+    if (code_seen('X')) extruder_offset[X_AXIS][tmp_extruder] = code_value();
+    if (code_seen('Y')) extruder_offset[Y_AXIS][tmp_extruder] = code_value();
 
     #ifdef DUAL_X_CARRIAGE
-      if (code_seen('Z')) extruder_offset[tmp_extruder][Z_AXIS] = code_value();
+      if (code_seen('Z')) extruder_offset[Z_AXIS][tmp_extruder] = code_value();
     #endif
 
     SERIAL_ECHO_START;
     SERIAL_ECHOPGM(MSG_HOTEND_OFFSET);
     for (tmp_extruder = 0; tmp_extruder < EXTRUDERS; tmp_extruder++) {
       SERIAL_ECHO(" ");
-      SERIAL_ECHO(extruder_offset[tmp_extruder][X_AXIS]);
+      SERIAL_ECHO(extruder_offset[X_AXIS][tmp_extruder]);
       SERIAL_ECHO(",");
-      SERIAL_ECHO(extruder_offset[tmp_extruder][Y_AXIS]);
+      SERIAL_ECHO(extruder_offset[Y_AXIS][tmp_extruder]);
       #ifdef DUAL_X_CARRIAGE
         SERIAL_ECHO(",");
-        SERIAL_ECHO(extruder_offset[tmp_extruder][Z_AXIS]);
+        SERIAL_ECHO(extruder_offset[Z_AXIS][tmp_extruder]);
       #endif
     }
     SERIAL_EOL;
         SERIAL_ECHO_START;
         SERIAL_ECHOPGM(MSG_HOTEND_OFFSET);
         SERIAL_ECHO(" ");
-        SERIAL_ECHO(extruder_offset[0][X_AXIS]);
+        SERIAL_ECHO(extruder_offset[X_AXIS][0]);
         SERIAL_ECHO(",");
-        SERIAL_ECHO(extruder_offset[0][Y_AXIS]);
+        SERIAL_ECHO(extruder_offset[Y_AXIS][0]);
         SERIAL_ECHO(" ");
         SERIAL_ECHO(duplicate_extruder_x_offset);
         SERIAL_ECHO(",");
-        SERIAL_ECHOLN(extruder_offset[1][Y_AXIS]);
+        SERIAL_ECHOLN(extruder_offset[Y_AXIS][1]);
         break;
       case DXC_FULL_CONTROL_MODE:
       case DXC_AUTO_PARK_MODE:
 
           // apply Y & Z extruder offset (x offset is already used in determining home pos)
           current_position[Y_AXIS] = current_position[Y_AXIS] -
-                       extruder_offset[active_extruder][Y_AXIS] +
-                       extruder_offset[tmp_extruder][Y_AXIS];
+                       extruder_offset[Y_AXIS][active_extruder] +
+                       extruder_offset[Y_AXIS][tmp_extruder];
           current_position[Z_AXIS] = current_position[Z_AXIS] -
-                       extruder_offset[active_extruder][Z_AXIS] +
-                       extruder_offset[tmp_extruder][Z_AXIS];
+                       extruder_offset[Z_AXIS][active_extruder] +
+                       extruder_offset[Z_AXIS][tmp_extruder];
 
           active_extruder = tmp_extruder;
 
         #else // !DUAL_X_CARRIAGE
           // Offset extruder (only by XY)
           for (int i=X_AXIS; i<=Y_AXIS; i++)
-            current_position[i] += extruder_offset[tmp_extruder][i] - extruder_offset[active_extruder][i];
+            current_position[i] += extruder_offset[i][tmp_extruder] - extruder_offset[i][active_extruder];
           // Set the new active extruder and position
           active_extruder = tmp_extruder;
         #endif // !DUAL_X_CARRIAGE

Marlin/configurator/config/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/Felix/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/Felix/Configuration_DUAL.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/Hephestos/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/K8200/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/SCARA/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/WITBOX/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/delta/generic/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/makibox/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 // Servo Endstops
 //
 // This allows for servo actuated endstops, primary usage is for the Z Axis to eliminate calibration or bed height changes.
-// Use M206 command to correct for switch height offset to actual nozzle height. Store that setting with M500.
+// Use M851 to set the z-probe vertical offset from the nozzle. Store that setting with M500.
 //
 //#define SERVO_ENDSTOPS {-1, -1, 0} // Servo index for X, Y, Z. Disable with -1
 //#define SERVO_ENDSTOP_ANGLES {0,0, 0,0, 70,0} // X,Y,Z Axis Extend and Retract angles

Marlin/temperature.cpp

 #ifdef FILAMENT_SENSOR
   int current_raw_filwidth = 0;  //Holds measured filament diameter - one extruder only
 #endif  
-#if defined (THERMAL_RUNAWAY_PROTECTION_PERIOD) && THERMAL_RUNAWAY_PROTECTION_PERIOD > 0
-void thermal_runaway_protection(int *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc);
-static int thermal_runaway_state_machine[4]; // = {0,0,0,0};
-static unsigned long thermal_runaway_timer[4]; // = {0,0,0,0};
-static bool thermal_runaway = false;
-#if TEMP_SENSOR_BED != 0
-  static int thermal_runaway_bed_state_machine;
-  static unsigned long thermal_runaway_bed_timer;
-#endif
+
+#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;
+  void thermal_runaway_protection(int *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 unsigned long thermal_runaway_timer[4]; // = {0,0,0,0};
+  #endif
+  #if HAS_BED_THERMAL_PROTECTION
+    static int thermal_runaway_bed_state_machine;
+    static unsigned long thermal_runaway_bed_timer;
+  #endif
 #endif
 
 //===========================================================================
 
   #if TEMP_SENSOR_BED != 0
   
-    #if defined(THERMAL_RUNAWAY_PROTECTION_BED_PERIOD) && THERMAL_RUNAWAY_PROTECTION_BED_PERIOD > 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);
     #endif
 
   #endif 
 }
 
-#if defined(THERMAL_RUNAWAY_PROTECTION_PERIOD) && THERMAL_RUNAWAY_PROTECTION_PERIOD > 0
+#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)
 {
 /*

Marlin/ultralcd.cpp

     if (encoderLine < currentMenuViewOffset) currentMenuViewOffset = encoderLine; \
     uint8_t _lineNr = currentMenuViewOffset, _menuItemNr; \
     bool wasClicked = LCD_CLICKED, itemSelected; \
-    if (wasClicked) lcd_quick_feedback(); \
     for (uint8_t _drawLineNr = 0; _drawLineNr < LCD_HEIGHT; _drawLineNr++, _lineNr++) { \
       _menuItemNr = 0;
 
       if (lcdDrawUpdate) \
         lcd_implementation_drawmenu_ ## type(itemSelected, _drawLineNr, PSTR(label), ## args); \
       if (wasClicked && itemSelected) { \
+        lcd_quick_feedback(); \
         menu_action_ ## type(args); \
         return; \
       } \
   #elif defined(BEEPER) && BEEPER > -1
     SET_OUTPUT(BEEPER);
     #ifndef LCD_FEEDBACK_FREQUENCY_HZ
-      #define LCD_FEEDBACK_FREQUENCY_HZ 500
+      #define LCD_FEEDBACK_FREQUENCY_HZ 5000
     #endif
     #ifndef LCD_FEEDBACK_FREQUENCY_DURATION_MS
-      #define LCD_FEEDBACK_FREQUENCY_DURATION_MS 50
+      #define LCD_FEEDBACK_FREQUENCY_DURATION_MS 2
     #endif
     const unsigned int delay = 1000000 / LCD_FEEDBACK_FREQUENCY_HZ / 2;
     int i = LCD_FEEDBACK_FREQUENCY_DURATION_MS * LCD_FEEDBACK_FREQUENCY_HZ / 1000;