Merge branch 'dev'

MK/module/MK_Main.cpp

@@ -1151,13 +1151,13 @@ XYZ_CONSTS_FROM_CONFIG(signed char, home_dir,  HOME_DIR);
     return (extruder == 0) ? X_HOME_DIR : X2_HOME_DIR;
   }
 
-  static float inactive_extruder_x_pos = X2_MAX_POS; // used in mode 0 & 1
-  static bool active_extruder_parked = false; // used in mode 1 & 2
+  static float inactive_hotend_x_pos = X2_MAX_POS; // used in mode 0 & 1
+  static bool active_hotend_parked = false; // used in mode 1 & 2
   static float raised_parked_position[NUM_AXIS]; // used in mode 1
   static millis_t delayed_move_time = 0; // used in mode 1
   static float duplicate_hotend_x_offset = DEFAULT_DUPLICATION_X_OFFSET; // used in mode 2
-  static float duplicate_extruder_temp_offset = 0; // used in mode 2
-  bool extruder_duplication_enabled = false; // used in mode 2
+  static float duplicate_hotend_temp_offset = 0; // used in mode 2
+  bool hotend_duplication_enabled = false; // used in mode 2
 
 #endif //DUAL_X_CARRIAGE
 
@@ -1175,7 +1175,7 @@ static void update_software_endstops(AxisEnum axis) {
   float offs = home_offset[axis] + position_shift[axis];
   #if ENABLED(DUAL_X_CARRIAGE)
     if (axis == X_AXIS) {
-      float dual_max_x = max(extruder_offset[X_AXIS][1], X2_MAX_POS);
+      float dual_max_x = max(hotend_offset[X_AXIS][1], X2_MAX_POS);
       if (active_extruder != 0) {
         sw_endstop_min[X_AXIS] = X2_MIN_POS + offs;
         sw_endstop_max[X_AXIS] = dual_max_x + offs;
@@ -1183,7 +1183,7 @@ static void update_software_endstops(AxisEnum axis) {
       }
       else if (dual_x_carriage_mode == DXC_DUPLICATION_MODE) {
         sw_endstop_min[X_AXIS] = base_min_pos(X_AXIS) + offs;
-        sw_endstop_max[X_AXIS] = min(base_max_pos(X_AXIS), dual_max_x - duplicate_extruder_x_offset) + offs;
+        sw_endstop_max[X_AXIS] = min(base_max_pos(X_AXIS), dual_max_x - duplicate_hotend_x_offset) + offs;
         return;
       }
     }
@@ -3835,7 +3835,7 @@ inline void gcode_G28() {
 
         #if ENABLED(DUAL_X_CARRIAGE)
           int x_axis_home_dir = x_home_dir(active_extruder);
-          extruder_duplication_enabled = false;
+          hotend_duplication_enabled = false;
         #else
           int x_axis_home_dir = home_dir(X_AXIS);
         #endif
@@ -3889,16 +3889,16 @@ inline void gcode_G28() {
     if (home_all_axis || homeX) {
       #if ENABLED(DUAL_X_CARRIAGE)
         int tmp_extruder = active_extruder;
-        extruder_duplication_enabled = false;
+        hotend_duplication_enabled = false;
         active_extruder = !active_extruder;
         HOMEAXIS(X);
-        inactive_extruder_x_pos = current_position[X_AXIS];
+        inactive_hotend_x_pos = current_position[X_AXIS];
         active_extruder = tmp_extruder;
         HOMEAXIS(X);
         // reset state used by the different modes
         memcpy(raised_parked_position, current_position, sizeof(raised_parked_position));
         delayed_move_time = 0;
-        active_extruder_parked = true;
+        active_hotend_parked = true;
       #else
         HOMEAXIS(X);
       #endif
@@ -6084,7 +6084,7 @@ inline void gcode_M104() {
     setTargetHotend(temp, target_extruder);
     #if ENABLED(DUAL_X_CARRIAGE)
       if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && target_extruder == 0)
-        setTargetHotend1(temp == 0.0 ? 0.0 : temp + duplicate_extruder_temp_offset);
+        setTargetHotend1(temp == 0.0 ? 0.0 : temp + duplicate_hotend_temp_offset);
     #endif
 
     /**
@@ -6165,7 +6165,7 @@ inline void gcode_M109() {
     setTargetHotend(temp, target_extruder);
     #if ENABLED(DUAL_X_CARRIAGE)
       if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && target_extruder == 0)
-        setTargetHotend1(temp == 0.0 ? 0.0 : temp + duplicate_extruder_temp_offset);
+        setTargetHotend1(temp == 0.0 ? 0.0 : temp + duplicate_hotend_temp_offset);
     #endif
 
     /**
@@ -7969,7 +7969,7 @@ inline void gcode_M503() {
     switch(dual_x_carriage_mode) {
       case DXC_DUPLICATION_MODE:
         if (code_seen('X')) duplicate_hotend_x_offset = max(code_value(), X2_MIN_POS - x_home_pos(0));
-        if (code_seen('R')) duplicate_extruder_temp_offset = code_value();
+        if (code_seen('R')) duplicate_hotend_temp_offset = code_value();
         ECHO_SM(DB, SERIAL_HOTEND_OFFSET);
         ECHO_MV(" ", hotend_offset[X_AXIS][0]);
         ECHO_MV(",", hotend_offset[Y_AXIS][0]);
@@ -7983,8 +7983,8 @@ inline void gcode_M503() {
         dual_x_carriage_mode = DEFAULT_DUAL_X_CARRIAGE_MODE;
         break;
     }
-    active_extruder_parked = false;
-    extruder_duplication_enabled = false;
+    active_hotend_parked = false;
+    hotend_duplication_enabled = false;
     delayed_move_time = 0;
   }
 #endif // DUAL_X_CARRIAGE
@@ -8283,31 +8283,34 @@ inline void gcode_T(uint8_t tmp_extruder) {
               st_synchronize();
             }
 
+            // apply Y & Z extruder offset (x offset is already used in determining home pos)
+            current_position[Y_AXIS] -= hotend_offset[Y_AXIS][active_extruder] - hotend_offset[Y_AXIS][tmp_extruder];
+            current_position[Z_AXIS] -= hotend_offset[Z_AXIS][active_extruder] - hotend_offset[Z_AXIS][tmp_extruder];
             active_extruder = target_extruder;
 
             // This function resets the max/min values - the current position may be overwritten below.
             set_axis_is_at_home(X_AXIS);
 
             if (dual_x_carriage_mode == DXC_FULL_CONTROL_MODE) {
-              current_position[X_AXIS] = inactive_extruder_x_pos;
-              inactive_extruder_x_pos = destination[X_AXIS];
+              current_position[X_AXIS] = inactive_hotend_x_pos;
+              inactive_hotend_x_pos = destination[X_AXIS];
             }
             else if (dual_x_carriage_mode == DXC_DUPLICATION_MODE) {
-              active_extruder_parked = (active_extruder == 0); // this triggers the second extruder to move into the duplication position
+              active_hotend_parked = (active_extruder == 0); // this triggers the second extruder to move into the duplication position
 
-              if (active_extruder == 0 || active_extruder_parked)
-                current_position[X_AXIS] = inactive_extruder_x_pos;
+              if (active_hotend_parked)
+                current_position[X_AXIS] = inactive_hotend_x_pos;
               else
                 current_position[X_AXIS] = destination[X_AXIS] + duplicate_hotend_x_offset;
 
-              inactive_extruder_x_pos = destination[X_AXIS];
-              extruder_duplication_enabled = false;
+              inactive_hotend_x_pos = destination[X_AXIS];
+              hotend_duplication_enabled = false;
             }
             else {
               // record raised toolhead position for use by unpark
               memcpy(raised_parked_position, current_position, sizeof(raised_parked_position));
               raised_parked_position[Z_AXIS] += TOOLCHANGE_UNPARK_ZLIFT;
-              active_extruder_parked = true;
+              active_hotend_parked = true;
               delayed_move_time = 0;
             }
 
@@ -9426,15 +9429,15 @@ static void report_current_position() {
 #if ENABLED(DUAL_X_CARRIAGE)
 
   inline bool prepare_move_dual_x_carriage() {
-    if (active_extruder_parked) {
+    if (active_hotend_parked) {
       if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && active_extruder == 0) {
         // move duplicate extruder into correct duplication position.
-        planner.set_position_mm(inactive_extruder_x_pos, current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
+        planner.set_position_mm(inactive_hotend_x_pos, current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
         planner.buffer_line(current_position[X_AXIS] + duplicate_hotend_x_offset, current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], planner.max_planner.acceleration_units_per_sq_second[X_AXIS], 1, active_driver);
         sync_plan_position();
         st_synchronize();
-        extruder_duplication_enabled = true;
-        active_extruder_parked = false;
+        hotend_duplication_enabled = true;
+        active_hotend_parked = false;
       }
       else if (dual_x_carriage_mode == DXC_AUTO_PARK_MODE) { // handle unparking of head
         if (current_position[E_AXIS] == destination[E_AXIS]) {
@@ -9453,7 +9456,7 @@ static void report_current_position() {
         planner.buffer_line(raised_parked_position[X_AXIS], raised_parked_position[Y_AXIS], raised_parked_position[Z_AXIS], current_position[E_AXIS], planner.max_planner.acceleration_units_per_sq_second[Z_AXIS], active_extruder, active_driver);
         planner.buffer_line(current_position[X_AXIS], current_position[Y_AXIS], raised_parked_position[Z_AXIS], current_position[E_AXIS], min(planner.max_planner.acceleration_units_per_sq_second[X_AXIS], planner.max_planner.acceleration_units_per_sq_second[Y_AXIS]), active_extruder, active_driver);
         planner.buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], planner.max_planner.acceleration_units_per_sq_second[Z_AXIS], active_extruder, active_driver);
-        active_extruder_parked = false;
+        active_hotend_parked = false;
       }
     }
     return true;

MK/module/MK_Main.h

@@ -37,7 +37,7 @@ void idle(
 void manage_inactivity(bool ignore_stepper_queue = false);
 
 #if ENABLED(DUAL_X_CARRIAGE)
-  extern bool extruder_duplication_enabled;
+  extern bool hotend_duplication_enabled;
 #endif
 
 void FlushSerialRequestResend();

MK/module/conditionals.h

@@ -41,12 +41,17 @@
     #define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 
     #if ENABLED(miniVIKI)
+      #define LCD_CONTRAST_MIN  75
+      #define LCD_CONTRAST_MAX 115
       #define DEFAULT_LCD_CONTRAST 95
     #elif ENABLED(VIKI2)
       #define DEFAULT_LCD_CONTRAST 40
     #elif ENABLED(ELB_FULL_GRAPHIC_CONTROLLER)
+      #define LCD_CONTRAST_MIN  90
+      #define LCD_CONTRAST_MAX 130
       #define DEFAULT_LCD_CONTRAST 110
       #define U8GLIB_LM6059_AF
+      #define SD_DETECT_INVERTED
     #endif
 
     #define ENCODER_PULSES_PER_STEP 4

MK/module/language/language_en.h

@@ -79,6 +79,8 @@
 #define MSG_SPEED                           "Speed"
 #define MSG_NOZZLE                          "Nozzle"
 #define MSG_BED                             "Bed"
+#define MSG_CHAMBER                         "Chamber"
+#define MSG_COOLER                          "Cooler"
 #define MSG_BED_Z                           "Bed Z"
 #define MSG_FAN_SPEED                       "Fan speed"
 #define MSG_FLOW                            "Flow"

MK/module/language/language_it.h

@@ -75,6 +75,8 @@
 #define MSG_SPEED                           "Velocita"
 #define MSG_NOZZLE                          "Ugello"
 #define MSG_BED                             "Piatto"
+#define MSG_CHAMBER                         "Camera"
+#define MSG_COOLER                          "Raffreddamento"
 #define MSG_BED_Z                           "piatto Z"
 #define MSG_FAN_SPEED                       "Ventola"
 #define MSG_FLOW                            "Flusso"

MK/module/lcd/ultralcd.cpp

@@ -46,6 +46,9 @@
 
 int8_t encoderDiff; // updated from interrupt context and added to encoderPosition every LCD update
 
+int8_t manual_move_axis = (int8_t)NO_AXIS;
+millis_t manual_move_start_time = 0;
+
 bool encoderRateMultiplierEnabled;
 int32_t lastEncoderMovementMillis;
 
@@ -776,6 +779,7 @@ static void lcd_tune_menu() {
 
   //
   // Nozzle:
+  // Nozzle [1-4]:
   //
   #if HOTENDS == 1
     #if TEMP_SENSOR_0 != 0
@@ -801,17 +805,24 @@ static void lcd_tune_menu() {
   #endif // HOTENDS > 1
 
   //
-  // Laser:
+  // Bed:
   //
-  #if ENABLED(LASERBEAM) && HAS(COOLER)
-    MENU_ITEM_EDIT(int3, MSG_COOLER, &target_temperature_cooler, 0, COOLER_MAXTEMP - 15);
+  #if TEMP_SENSOR_BED != 0
+    MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(int3, MSG_BED, &target_temperature_bed, 0, BED_MAXTEMP - 15, watch_temp_callback_bed);
   #endif
 
   //
-  // Bed:
+  // Chamber
   //
-  #if TEMP_SENSOR_BED != 0
-    MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(int3, MSG_BED, &target_temperature_bed, 0, BED_MAXTEMP - 15, watch_temp_callback_bed);
+  #if HAS(CHAMBER)
+    MENU_ITEM_EDIT(int3, MSG_CHAMBER, &target_temperature_chamber, 0, CHAMBER_MAXTEMP - 15);
+  #endif
+
+  //
+  // Cooler
+  //
+  #if HAS(COOLER)
+    MENU_ITEM_EDIT(int3, MSG_COOLER, &target_temperature_cooler, 0, COOLER_MAXTEMP - 15);
   #endif
 
   //
@@ -927,22 +938,40 @@ void _lcd_preheat(int endnum, const float temph, const float tempb, const int fa
   #endif
 
   void lcd_preheat_pla0123() {
-    setTargetHotend0(plaPreheatHotendTemp);
-    setTargetHotend1(plaPreheatHotendTemp);
-    setTargetHotend2(plaPreheatHotendTemp);
-    _lcd_preheat(3, plaPreheatHotendTemp, plaPreheatHPBTemp, plaPreheatFanSpeed);
+    #if HOTENDS > 1
+      setTargetHotend(plaPreheatHotendTemp, 1);
+      #if HOTENDS > 2
+        setTargetHotend(plaPreheatHotendTemp, 2);
+        #if HOTENDS > 3
+          setTargetHotend(plaPreheatHotendTemp, 3);
+        #endif
+      #endif
+    #endif
+    lcd_preheat_pla0();
   }
   void lcd_preheat_abs0123() {
-    setTargetHotend0(absPreheatHotendTemp);
-    setTargetHotend1(absPreheatHotendTemp);
-    setTargetHotend2(absPreheatHotendTemp);
-    _lcd_preheat(3, absPreheatHotendTemp, absPreheatHPBTemp, absPreheatFanSpeed);
+    #if HOTENDS > 1
+      setTargetHotend(absPreheatHotendTemp, 1);
+      #if HOTENDS > 2
+        setTargetHotend(absPreheatHotendTemp, 2);
+        #if HOTENDS > 3
+          setTargetHotend(absPreheatHotendTemp, 3);
+        #endif
+      #endif
+    #endif
+    lcd_preheat_abs0();
   }
   void lcd_preheat_gum0123() {
-    setTargetHotend0(gumPreheatHotendTemp);
-    setTargetHotend1(gumPreheatHotendTemp);
-    setTargetHotend2(gumPreheatHotendTemp);
-    _lcd_preheat(3, gumPreheatHotendTemp, gumPreheatHPBTemp, gumPreheatFanSpeed);
+    #if HOTENDS > 1
+      setTargetHotend(gumPreheatHotendTemp, 1);
+      #if HOTENDS > 2
+        setTargetHotend(gumPreheatHotendTemp, 2);
+        #if HOTENDS > 3
+          setTargetHotend(gumPreheatHotendTemp, 3);
+        #endif
+      #endif
+    #endif
+    lcd_preheat_gum0();
   }
 
 #endif // HOTENDS > 1
@@ -979,7 +1008,7 @@ void _lcd_preheat(int endnum, const float temph, const float tempb, const int fa
 
   static void lcd_preheat_abs_menu() {
     START_MENU();
-    MENU_ITEM(back, MSG_TEMPERATURE);
+    MENU_ITEM(back, MSG_PREPARE);
     #if HOTENDS == 1
       MENU_ITEM(function, MSG_PREHEAT_ABS, lcd_preheat_abs0);
     #else
@@ -1001,7 +1030,7 @@ void _lcd_preheat(int endnum, const float temph, const float tempb, const int fa
 
   static void lcd_preheat_gum_menu() {
     START_MENU();
-    MENU_ITEM(back, MSG_TEMPERATURE);
+    MENU_ITEM(back, MSG_PREPARE);
     #if HOTENDS == 1
       MENU_ITEM(function, MSG_PREHEAT_GUM, lcd_preheat_gum0);
     #else
@@ -1087,7 +1116,7 @@ void lcd_cooldown() {
     ENCODER_DIRECTION_NORMAL();
 
     // Encoder wheel adjusts the Z position
-    if (encoderPosition && planner.movesplanned() <= 3) {
+    if (encoderPosition) {
       refresh_cmd_timeout();
       current_position[Z_AXIS] += float((int32_t)encoderPosition) * (MBL_Z_STEP);
       NOLESS(current_position[Z_AXIS], 0);
@@ -1100,8 +1129,8 @@ void lcd_cooldown() {
           LCDVIEW_REDRAW_NOW
         #endif
       ;
-    }
       encoderPosition = 0;
+    }
 
     static bool debounce_click = false;
     if (LCD_CLICKED) {
@@ -1356,6 +1385,31 @@ static void lcd_prepare_menu() {
 
 #endif // DELTA
 
+/**
+ * If the most recent manual move hasn't been fed to the planner yet,
+ * and the planner can accept one, send immediately
+ */
+inline void manage_manual_move() {
+  if (manual_move_axis != (int8_t)NO_AXIS && millis() >= manual_move_start_time && !planner.is_full()) {
+    #if MECH(DELTA)
+      calculate_delta(current_position);
+      planner.buffer_line(delta[TOWER_1], delta[TOWER_2], delta[TOWER_3], current_position[E_AXIS], manual_feedrate[manual_move_axis]/60, active_extruder, active_driver);
+    #else
+      planner.buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], manual_feedrate[manual_move_axis]/60, active_extruder, active_driver);
+    #endif
+    manual_move_axis = (int8_t)NO_AXIS;
+  }
+}
+
+/**
+ * Set a flag that lcd_update() should start a move
+ * to "current_position" after a short delay.
+ */
+inline void manual_move_to_current(AxisEnum axis) {
+  manual_move_start_time = millis() + 500UL; // 1/2 second delay
+  manual_move_axis = (int8_t)axis;
+}
+
 /**
  *
  * "Prepare" > "Move Axis" submenu
@@ -1366,12 +1420,13 @@ float move_menu_scale;
 
 static void _lcd_move(const char* name, AxisEnum axis, float min, float max) {
   ENCODER_DIRECTION_NORMAL();
-  if (encoderPosition && planner.movesplanned() <= 3) {
+  if (encoderPosition) {
     refresh_cmd_timeout();
     current_position[axis] += float((int32_t)encoderPosition) * move_menu_scale;
     if (SOFTWARE_MIN_ENDSTOPS) NOLESS(current_position[axis], min);
     if (SOFTWARE_MAX_ENDSTOPS) NOMORE(current_position[axis], max);
-    line_to_current(axis);
+    encoderPosition = 0;
+    manual_move_to_current(axis);
     lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
   }
   encoderPosition = 0;
@@ -1399,15 +1454,15 @@ static void lcd_move_e(
     unsigned short original_active_extruder = active_extruder;
     active_extruder = e;
   #endif
-  if (encoderPosition && planner.movesplanned() <= 3) {
+  if (encoderPosition) {
     #if ENABLED(IDLE_OOZING_PREVENT)
       IDLE_OOZING_retract(false);
     #endif
     current_position[E_AXIS] += float((int32_t)encoderPosition) * move_menu_scale;
-    line_to_current(E_AXIS);
+    encoderPosition = 0;
+    manual_move_to_current(E_AXIS);
     lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
   }
-  encoderPosition = 0;
   if (lcdDrawUpdate) {
     PGM_P pos_label;
     #if EXTRUDERS == 1
@@ -1948,23 +2003,18 @@ static void lcd_control_motion_menu() {
   static void lcd_set_contrast() {
     ENCODER_DIRECTION_NORMAL();
     if (encoderPosition) {
-      #if ENABLED(U8GLIB_LM6059_AF)
-        lcd_contrast += encoderPosition;
-        lcd_contrast &= 0xFF;
-      #else
-        lcd_contrast -= encoderPosition;
-        lcd_contrast &= 0x3F;
-      #endif
+      set_lcd_contrast(lcd_contrast + encoderPosition);
       encoderPosition = 0;
       lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
-      u8g.setContrast(lcd_contrast);
     }
     if (lcdDrawUpdate) {
-      #if ENABLED(U8GLIB_LM6059_AF)
-        lcd_implementation_drawedit(PSTR(MSG_CONTRAST), itostr3(lcd_contrast));
+      lcd_implementation_drawedit(PSTR(MSG_CONTRAST),
+        #if LCD_CONTRAST_MAX >= 100
+          itostr3(lcd_contrast)
         #else
-        lcd_implementation_drawedit(PSTR(MSG_CONTRAST), itostr2(lcd_contrast));
+          itostr2(lcd_contrast)
         #endif
+      );
     }
     if (LCD_CLICKED) lcd_goto_previous_menu(true);
   }
@@ -2577,6 +2627,8 @@ void lcd_update() {
     static millis_t return_to_status_ms = 0;
   #endif
 
+  manage_manual_move();
+
   lcd_buttons_update();
 
   #if ENABLED(SDSUPPORT) && PIN_EXISTS(SD_DETECT)
@@ -2805,8 +2857,8 @@ void lcd_setalertstatuspgm(const char* message) {
 void lcd_reset_alert_level() { lcd_status_message_level = 0; }
 
 #if HAS(LCD_CONTRAST)
-  void lcd_setcontrast(uint8_t value) {
-    lcd_contrast = value & 0x3F;
+  void set_lcd_contrast(int value) {
+    lcd_contrast = constrain(value, LCD_CONTRAST_MIN, LCD_CONTRAST_MAX);
     u8g.setContrast(lcd_contrast);
   }
 #endif

MK/module/lcd/ultralcd.h

@@ -52,7 +52,7 @@
 
   #if ENABLED(DOGLCD)
     extern int lcd_contrast;
-    void lcd_setcontrast(uint8_t value);
+    void set_lcd_contrast(int value);
   #endif
 
   #define LCD_MESSAGEPGM(x) lcd_setstatuspgm(PSTR(x))

MK/module/motion/stepper.cpp

@@ -92,7 +92,7 @@ volatile long endstops_stepsTotal, endstops_stepsDone;
   #if ENABLED(ADVANCE)
     static long advance_rate, advance, final_advance = 0;
     static long old_advance = 0;
-    static long e_steps[6];
+    static long e_steps[EXTRUDERS];
   #elif ENABLED(ADVANCE_LPC)
     int extruder_advance_k = ADVANCE_LPC_K;
     volatile int e_steps[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0);
@@ -130,7 +130,7 @@ volatile signed char count_direction[NUM_AXIS] = { 1, 1, 1, 1 };
 
 #if ENABLED(DUAL_X_CARRIAGE)
   #define X_APPLY_DIR(v,ALWAYS) \
-    if (extruder_duplication_enabled || ALWAYS) { \
+    if (hotend_duplication_enabled || ALWAYS) { \
       X_DIR_WRITE(v); \
       X2_DIR_WRITE(v); \
     } \
@@ -138,7 +138,7 @@ volatile signed char count_direction[NUM_AXIS] = { 1, 1, 1, 1 };
       if (current_block->active_driver) X2_DIR_WRITE(v); else X_DIR_WRITE(v); \
     }
   #define X_APPLY_STEP(v,ALWAYS) \
-    if (extruder_duplication_enabled || ALWAYS) { \
+    if (hotend_duplication_enabled || ALWAYS) { \
       X_STEP_WRITE(v); \
       X2_STEP_WRITE(v); \
     } \
@@ -1010,7 +1010,7 @@ void st_init() {
 
   #if ENABLED(ADVANCE) || ENABLED(ADVANCE_LPC)
     #if ENABLED(ADVANCE)
-      e_steps[0] = e_steps[1] = e_steps[2] = e_steps[3] = e_steps[4] = e_steps[5] = 0;
+      for (uint8_t i = 0; i < EXTRUDERS; i++) e_steps[i] = 0;
     #elif ENABLED(ADVANCE_LPC)
       for (uint8_t i = 0; i < EXTRUDERS; i++) {
         e_steps[i] = 0;

MK/module/motion/stepper.h

@@ -50,7 +50,7 @@
    * A_AXIS and C_AXIS are used by COREXZ or COREZX printers
    * X_HEAD and Y_HEAD and Z_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, A_AXIS = 0, Y_AXIS = 1, B_AXIS = 1, Z_AXIS = 2, C_AXIS = 2, E_AXIS = 3, X_HEAD = 4, Y_HEAD = 5, Z_HEAD = 5};
+  enum AxisEnum {NO_AXIS = -1, X_AXIS = 0, A_AXIS = 0, Y_AXIS = 1, B_AXIS = 1, Z_AXIS = 2, C_AXIS = 2, E_AXIS = 3, X_HEAD = 4, Y_HEAD = 5, Z_HEAD = 5};
 
   #if ENABLED(ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)
     #if ENABLED(ABORT_ON_ENDSTOP_HIT_INIT)

MK/module/motion/stepper_indirection.h

@@ -238,9 +238,9 @@
     #define NORM_E_DIR()    { switch(current_block->active_driver) { case 1: E1_DIR_WRITE(!INVERT_E1_DIR); break; case 0: E0_DIR_WRITE(!INVERT_E0_DIR); break; }}
     #define REV_E_DIR()     { switch(current_block->active_driver) { case 1: E1_DIR_WRITE( INVERT_E1_DIR); break; case 0: E0_DIR_WRITE( INVERT_E0_DIR); break; }}
   #else
-    #define E_STEP_WRITE(v) { if(extruder_duplication_enabled) { E0_STEP_WRITE(v); E1_STEP_WRITE(v); } else if(current_block->active_driver == 1) { E1_STEP_WRITE(v); } else { E0_STEP_WRITE(v); }}
-    #define NORM_E_DIR()    { if(extruder_duplication_enabled) { E0_DIR_WRITE(!INVERT_E0_DIR); E1_DIR_WRITE(!INVERT_E1_DIR); } else if(current_block->active_driver == 1) { E1_DIR_WRITE(!INVERT_E1_DIR); } else { E0_DIR_WRITE(!INVERT_E0_DIR); }}
-    #define REV_E_DIR()     { if(extruder_duplication_enabled) { E0_DIR_WRITE( INVERT_E0_DIR); E1_DIR_WRITE( INVERT_E1_DIR); } else if(current_block->active_driver == 1) { E1_DIR_WRITE( INVERT_E1_DIR); } else { E0_DIR_WRITE( INVERT_E0_DIR); }}
+    #define E_STEP_WRITE(v) { if(hotend_duplication_enabled) { E0_STEP_WRITE(v); E1_STEP_WRITE(v); } else if(current_block->active_driver == 1) { E1_STEP_WRITE(v); } else { E0_STEP_WRITE(v); }}
+    #define NORM_E_DIR()    { if(hotend_duplication_enabled) { E0_DIR_WRITE(!INVERT_E0_DIR); E1_DIR_WRITE(!INVERT_E1_DIR); } else if(current_block->active_driver == 1) { E1_DIR_WRITE(!INVERT_E1_DIR); } else { E0_DIR_WRITE(!INVERT_E0_DIR); }}
+    #define REV_E_DIR()     { if(hotend_duplication_enabled) { E0_DIR_WRITE( INVERT_E0_DIR); E1_DIR_WRITE( INVERT_E1_DIR); } else if(current_block->active_driver == 1) { E1_DIR_WRITE( INVERT_E1_DIR); } else { E0_DIR_WRITE( INVERT_E0_DIR); }}
   #endif
 #else
   #if ENABLED(DONDOLO_SINGLE_MOTOR)

MK/module/planner/planner.h

@@ -208,6 +208,8 @@ class Planner {
      */
     static uint8_t movesplanned() { return BLOCK_MOD(block_buffer_head - block_buffer_tail + BLOCK_BUFFER_SIZE); }
 
+    static bool is_full() { return (block_buffer_tail == BLOCK_MOD(block_buffer_head + 1)); }
+
     #if ENABLED(AUTO_BED_LEVELING_FEATURE) || ENABLED(MESH_BED_LEVELING)
 
       #if ENABLED(AUTO_BED_LEVELING_FEATURE)