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authorGeorgiy Bondarenko <69736697+nehilo@users.noreply.github.com>2021-03-04 20:54:23 +0300
committerGeorgiy Bondarenko <69736697+nehilo@users.noreply.github.com>2021-03-04 20:54:23 +0300
commite8701195e66f2d27ffe17fb514eae8173795aaf7 (patch)
tree9f519c4abf6556b9ae7190a6210d87ead1dfadde /Marlin/src/module/tool_change.cpp
downloadkp3s-lgvl-e8701195e66f2d27ffe17fb514eae8173795aaf7.tar.xz
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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../inc/MarlinConfigPre.h"
+
+#include "tool_change.h"
+
+#include "probe.h"
+#include "motion.h"
+#include "planner.h"
+#include "temperature.h"
+
+#include "../MarlinCore.h"
+
+//#define DEBUG_TOOL_CHANGE
+
+#define DEBUG_OUT ENABLED(DEBUG_TOOL_CHANGE)
+#include "../core/debug_out.h"
+
+#if HAS_MULTI_EXTRUDER
+ toolchange_settings_t toolchange_settings; // Initialized by settings.load()
+#endif
+
+#if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
+ migration_settings_t migration = migration_defaults;
+ bool enable_first_prime;
+#endif
+
+#if ENABLED(TOOLCHANGE_FS_INIT_BEFORE_SWAP)
+ bool toolchange_extruder_ready[EXTRUDERS];
+#endif
+
+#if ENABLED(MAGNETIC_PARKING_EXTRUDER) || defined(EVENT_GCODE_AFTER_TOOLCHANGE) || (ENABLED(PARKING_EXTRUDER) && PARKING_EXTRUDER_SOLENOIDS_DELAY > 0)
+ #include "../gcode/gcode.h"
+#endif
+
+#if ENABLED(DUAL_X_CARRIAGE)
+ #include "stepper.h"
+#endif
+
+#if ANY(SWITCHING_EXTRUDER, SWITCHING_NOZZLE, SWITCHING_TOOLHEAD)
+ #include "servo.h"
+#endif
+
+#if ENABLED(EXT_SOLENOID) && DISABLED(PARKING_EXTRUDER)
+ #include "../feature/solenoid.h"
+#endif
+
+#if ENABLED(MIXING_EXTRUDER)
+ #include "../feature/mixing.h"
+#endif
+
+#if HAS_LEVELING
+ #include "../feature/bedlevel/bedlevel.h"
+#endif
+
+#if HAS_FANMUX
+ #include "../feature/fanmux.h"
+#endif
+
+#if HAS_PRUSA_MMU1
+ #include "../feature/mmu/mmu.h"
+#elif HAS_PRUSA_MMU2
+ #include "../feature/mmu/mmu2.h"
+#endif
+
+#if HAS_LCD_MENU
+ #include "../lcd/marlinui.h"
+#endif
+
+#if ENABLED(ADVANCED_PAUSE_FEATURE)
+ #include "../feature/pause.h"
+#endif
+
+#if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
+ #include "../gcode/gcode.h"
+ #if TOOLCHANGE_FS_WIPE_RETRACT <= 0
+ #undef TOOLCHANGE_FS_WIPE_RETRACT
+ #define TOOLCHANGE_FS_WIPE_RETRACT 0
+ #endif
+#endif
+
+#if DO_SWITCH_EXTRUDER
+
+ #if EXTRUDERS > 3
+ #define _SERVO_NR(E) ((E) < 2 ? SWITCHING_EXTRUDER_SERVO_NR : SWITCHING_EXTRUDER_E23_SERVO_NR)
+ #else
+ #define _SERVO_NR(E) SWITCHING_EXTRUDER_SERVO_NR
+ #endif
+
+ void move_extruder_servo(const uint8_t e) {
+ planner.synchronize();
+ #if EXTRUDERS & 1
+ if (e < EXTRUDERS - 1)
+ #endif
+ {
+ MOVE_SERVO(_SERVO_NR(e), servo_angles[_SERVO_NR(e)][e & 1]);
+ safe_delay(500);
+ }
+ }
+
+#endif // DO_SWITCH_EXTRUDER
+
+#if ENABLED(SWITCHING_NOZZLE)
+
+ #if SWITCHING_NOZZLE_TWO_SERVOS
+
+ inline void _move_nozzle_servo(const uint8_t e, const uint8_t angle_index) {
+ constexpr int8_t sns_index[2] = { SWITCHING_NOZZLE_SERVO_NR, SWITCHING_NOZZLE_E1_SERVO_NR };
+ constexpr int16_t sns_angles[2] = SWITCHING_NOZZLE_SERVO_ANGLES;
+ planner.synchronize();
+ MOVE_SERVO(sns_index[e], sns_angles[angle_index]);
+ safe_delay(500);
+ }
+
+ void lower_nozzle(const uint8_t e) { _move_nozzle_servo(e, 0); }
+ void raise_nozzle(const uint8_t e) { _move_nozzle_servo(e, 1); }
+
+ #else
+
+ void move_nozzle_servo(const uint8_t angle_index) {
+ planner.synchronize();
+ MOVE_SERVO(SWITCHING_NOZZLE_SERVO_NR, servo_angles[SWITCHING_NOZZLE_SERVO_NR][angle_index]);
+ safe_delay(500);
+ }
+
+ #endif
+
+#endif // SWITCHING_NOZZLE
+
+inline void _line_to_current(const AxisEnum fr_axis, const float fscale=1) {
+ line_to_current_position(planner.settings.max_feedrate_mm_s[fr_axis] * fscale);
+}
+inline void slow_line_to_current(const AxisEnum fr_axis) { _line_to_current(fr_axis, 0.5f); }
+inline void fast_line_to_current(const AxisEnum fr_axis) { _line_to_current(fr_axis); }
+
+#if ENABLED(MAGNETIC_PARKING_EXTRUDER)
+
+ float parkingposx[2], // M951 R L
+ parkinggrabdistance, // M951 I
+ parkingslowspeed, // M951 J
+ parkinghighspeed, // M951 H
+ parkingtraveldistance, // M951 D
+ compensationmultiplier;
+
+ inline void magnetic_parking_extruder_tool_change(const uint8_t new_tool) {
+
+ const float oldx = current_position.x,
+ grabpos = mpe_settings.parking_xpos[new_tool] + (new_tool ? mpe_settings.grab_distance : -mpe_settings.grab_distance),
+ offsetcompensation = TERN0(HAS_HOTEND_OFFSET, hotend_offset[active_extruder].x * mpe_settings.compensation_factor);
+
+ if (homing_needed_error(_BV(X_AXIS))) return;
+
+ /**
+ * Z Lift and Nozzle Offset shift ar defined in caller method to work equal with any Multi Hotend realization
+ *
+ * Steps:
+ * 1. Move high speed to park position of new extruder
+ * 2. Move to couple position of new extruder (this also discouple the old extruder)
+ * 3. Move to park position of new extruder
+ * 4. Move high speed to approach park position of old extruder
+ * 5. Move to park position of old extruder
+ * 6. Move to starting position
+ */
+
+ // STEP 1
+
+ current_position.x = mpe_settings.parking_xpos[new_tool] + offsetcompensation;
+
+ DEBUG_ECHOPAIR("(1) Move extruder ", int(new_tool));
+ DEBUG_POS(" to new extruder ParkPos", current_position);
+
+ planner.buffer_line(current_position, mpe_settings.fast_feedrate, new_tool);
+ planner.synchronize();
+
+ // STEP 2
+
+ current_position.x = grabpos + offsetcompensation;
+
+ DEBUG_ECHOPAIR("(2) Couple extruder ", int(new_tool));
+ DEBUG_POS(" to new extruder GrabPos", current_position);
+
+ planner.buffer_line(current_position, mpe_settings.slow_feedrate, new_tool);
+ planner.synchronize();
+
+ // Delay before moving tool, to allow magnetic coupling
+ gcode.dwell(150);
+
+ // STEP 3
+
+ current_position.x = mpe_settings.parking_xpos[new_tool] + offsetcompensation;
+
+ DEBUG_ECHOPAIR("(3) Move extruder ", int(new_tool));
+ DEBUG_POS(" back to new extruder ParkPos", current_position);
+
+ planner.buffer_line(current_position, mpe_settings.slow_feedrate, new_tool);
+ planner.synchronize();
+
+ // STEP 4
+
+ current_position.x = mpe_settings.parking_xpos[active_extruder] + (active_extruder == 0 ? MPE_TRAVEL_DISTANCE : -MPE_TRAVEL_DISTANCE) + offsetcompensation;
+
+ DEBUG_ECHOPAIR("(4) Move extruder ", int(new_tool));
+ DEBUG_POS(" close to old extruder ParkPos", current_position);
+
+ planner.buffer_line(current_position, mpe_settings.fast_feedrate, new_tool);
+ planner.synchronize();
+
+ // STEP 5
+
+ current_position.x = mpe_settings.parking_xpos[active_extruder] + offsetcompensation;
+
+ DEBUG_ECHOPAIR("(5) Park extruder ", int(new_tool));
+ DEBUG_POS(" at old extruder ParkPos", current_position);
+
+ planner.buffer_line(current_position, mpe_settings.slow_feedrate, new_tool);
+ planner.synchronize();
+
+ // STEP 6
+
+ current_position.x = oldx;
+
+ DEBUG_ECHOPAIR("(6) Move extruder ", int(new_tool));
+ DEBUG_POS(" to starting position", current_position);
+
+ planner.buffer_line(current_position, mpe_settings.fast_feedrate, new_tool);
+ planner.synchronize();
+
+ DEBUG_ECHOLNPGM("Autopark done.");
+ }
+
+#elif ENABLED(PARKING_EXTRUDER)
+
+ void pe_solenoid_init() {
+ LOOP_LE_N(n, 1) pe_solenoid_set_pin_state(n, !PARKING_EXTRUDER_SOLENOIDS_PINS_ACTIVE);
+ }
+
+ void pe_solenoid_set_pin_state(const uint8_t extruder_num, const uint8_t state) {
+ switch (extruder_num) {
+ case 1: OUT_WRITE(SOL1_PIN, state); break;
+ default: OUT_WRITE(SOL0_PIN, state); break;
+ }
+ #if PARKING_EXTRUDER_SOLENOIDS_DELAY > 0
+ gcode.dwell(PARKING_EXTRUDER_SOLENOIDS_DELAY);
+ #endif
+ }
+
+ bool extruder_parked = true, do_solenoid_activation = true;
+
+ // Modifies tool_change() behavior based on homing side
+ bool parking_extruder_unpark_after_homing(const uint8_t final_tool, bool homed_towards_final_tool) {
+ do_solenoid_activation = false; // Tell parking_extruder_tool_change to skip solenoid activation
+
+ if (!extruder_parked) return false; // nothing to do
+
+ if (homed_towards_final_tool) {
+ pe_solenoid_magnet_off(1 - final_tool);
+ DEBUG_ECHOLNPAIR("Disengage magnet", (int)(1 - final_tool));
+ pe_solenoid_magnet_on(final_tool);
+ DEBUG_ECHOLNPAIR("Engage magnet", (int)final_tool);
+ parking_extruder_set_parked(false);
+ return false;
+ }
+
+ return true;
+ }
+
+ inline void parking_extruder_tool_change(const uint8_t new_tool, bool no_move) {
+ if (!no_move) {
+
+ constexpr float parkingposx[] = PARKING_EXTRUDER_PARKING_X;
+
+ #if HAS_HOTEND_OFFSET
+ const float x_offset = hotend_offset[active_extruder].x;
+ #else
+ constexpr float x_offset = 0;
+ #endif
+
+ const float midpos = (parkingposx[0] + parkingposx[1]) * 0.5f + x_offset,
+ grabpos = parkingposx[new_tool] + (new_tool ? PARKING_EXTRUDER_GRAB_DISTANCE : -(PARKING_EXTRUDER_GRAB_DISTANCE)) + x_offset;
+
+ /**
+ * 1. Move to park position of old extruder
+ * 2. Disengage magnetic field, wait for delay
+ * 3. Move near new extruder
+ * 4. Engage magnetic field for new extruder
+ * 5. Move to parking incl. offset of new extruder
+ * 6. Lower Z-Axis
+ */
+
+ // STEP 1
+
+ DEBUG_POS("Start PE Tool-Change", current_position);
+
+ // Don't park the active_extruder unless unparked
+ if (!extruder_parked) {
+ current_position.x = parkingposx[active_extruder] + x_offset;
+
+ DEBUG_ECHOLNPAIR("(1) Park extruder ", int(active_extruder));
+ DEBUG_POS("Moving ParkPos", current_position);
+
+ fast_line_to_current(X_AXIS);
+
+ // STEP 2
+
+ planner.synchronize();
+ DEBUG_ECHOLNPGM("(2) Disengage magnet");
+ pe_solenoid_magnet_off(active_extruder);
+
+ // STEP 3
+
+ current_position.x += active_extruder ? -10 : 10; // move 10mm away from parked extruder
+
+ DEBUG_ECHOLNPGM("(3) Move near new extruder");
+ DEBUG_POS("Move away from parked extruder", current_position);
+
+ fast_line_to_current(X_AXIS);
+ }
+
+ // STEP 4
+
+ planner.synchronize();
+ DEBUG_ECHOLNPGM("(4) Engage magnetic field");
+
+ // Just save power for inverted magnets
+ TERN_(PARKING_EXTRUDER_SOLENOIDS_INVERT, pe_solenoid_magnet_on(active_extruder));
+ pe_solenoid_magnet_on(new_tool);
+
+ // STEP 5
+
+ current_position.x = grabpos + (new_tool ? -10 : 10);
+ fast_line_to_current(X_AXIS);
+
+ current_position.x = grabpos;
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_POS("(5) Unpark extruder", current_position);
+
+ slow_line_to_current(X_AXIS);
+
+ // STEP 6
+
+ current_position.x = midpos - TERN0(HAS_HOTEND_OFFSET, hotend_offset[new_tool].x);
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_POS("(6) Move midway between hotends", current_position);
+
+ fast_line_to_current(X_AXIS);
+ planner.synchronize(); // Always sync the final move
+
+ DEBUG_POS("PE Tool-Change done.", current_position);
+ parking_extruder_set_parked(false);
+ }
+ else if (do_solenoid_activation) { // && nomove == true
+ // Deactivate current extruder solenoid
+ pe_solenoid_set_pin_state(active_extruder, !PARKING_EXTRUDER_SOLENOIDS_PINS_ACTIVE);
+ // Engage new extruder magnetic field
+ pe_solenoid_set_pin_state(new_tool, PARKING_EXTRUDER_SOLENOIDS_PINS_ACTIVE);
+ }
+
+ do_solenoid_activation = true; // Activate solenoid for subsequent tool_change()
+ }
+
+#endif // PARKING_EXTRUDER
+
+#if ENABLED(SWITCHING_TOOLHEAD)
+
+ inline void swt_lock(const bool locked=true) {
+ const uint16_t swt_angles[2] = SWITCHING_TOOLHEAD_SERVO_ANGLES;
+ MOVE_SERVO(SWITCHING_TOOLHEAD_SERVO_NR, swt_angles[locked ? 0 : 1]);
+ }
+
+ void swt_init() { swt_lock(); }
+
+ inline void switching_toolhead_tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
+ if (no_move) return;
+
+ constexpr float toolheadposx[] = SWITCHING_TOOLHEAD_X_POS;
+ const float placexpos = toolheadposx[active_extruder],
+ grabxpos = toolheadposx[new_tool];
+
+ /**
+ * 1. Move to switch position of current toolhead
+ * 2. Unlock tool and drop it in the dock
+ * 3. Move to the new toolhead
+ * 4. Grab and lock the new toolhead
+ */
+
+ // 1. Move to switch position of current toolhead
+
+ DEBUG_POS("Start ST Tool-Change", current_position);
+
+ current_position.x = placexpos;
+
+ DEBUG_ECHOLNPAIR("(1) Place old tool ", int(active_extruder));
+ DEBUG_POS("Move X SwitchPos", current_position);
+
+ fast_line_to_current(X_AXIS);
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS - (SWITCHING_TOOLHEAD_Y_SECURITY);
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_POS("Move Y SwitchPos + Security", current_position);
+
+ fast_line_to_current(Y_AXIS);
+
+ // 2. Unlock tool and drop it in the dock
+
+ planner.synchronize();
+ DEBUG_ECHOLNPGM("(2) Unlock and Place Toolhead");
+ swt_lock(false);
+ safe_delay(500);
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS;
+ DEBUG_POS("Move Y SwitchPos", current_position);
+ slow_line_to_current(Y_AXIS);
+
+ // Wait for move to complete, then another 0.2s
+ planner.synchronize();
+ safe_delay(200);
+
+ current_position.y -= SWITCHING_TOOLHEAD_Y_CLEAR;
+ DEBUG_POS("Move back Y clear", current_position);
+ fast_line_to_current(Y_AXIS); // move away from docked toolhead
+
+ // 3. Move to the new toolhead
+
+ current_position.x = grabxpos;
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_ECHOLNPGM("(3) Move to new toolhead position");
+ DEBUG_POS("Move to new toolhead X", current_position);
+
+ fast_line_to_current(X_AXIS);
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS - (SWITCHING_TOOLHEAD_Y_SECURITY);
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_POS("Move Y SwitchPos + Security", current_position);
+
+ fast_line_to_current(Y_AXIS);
+
+ // 4. Grab and lock the new toolhead
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS;
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_ECHOLNPGM("(4) Grab and lock new toolhead");
+ DEBUG_POS("Move Y SwitchPos", current_position);
+
+ slow_line_to_current(Y_AXIS);
+
+ // Wait for move to finish, pause 0.2s, move servo, pause 0.5s
+ planner.synchronize();
+ safe_delay(200);
+ swt_lock();
+ safe_delay(500);
+
+ current_position.y -= SWITCHING_TOOLHEAD_Y_CLEAR;
+ DEBUG_POS("Move back Y clear", current_position);
+ fast_line_to_current(Y_AXIS); // Move away from docked toolhead
+ planner.synchronize(); // Always sync the final move
+
+ DEBUG_POS("ST Tool-Change done.", current_position);
+ }
+
+#elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
+
+ inline void magnetic_switching_toolhead_tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
+ if (no_move) return;
+
+ constexpr float toolheadposx[] = SWITCHING_TOOLHEAD_X_POS,
+ toolheadclearx[] = SWITCHING_TOOLHEAD_X_SECURITY;
+
+ const float placexpos = toolheadposx[active_extruder],
+ placexclear = toolheadclearx[active_extruder],
+ grabxpos = toolheadposx[new_tool],
+ grabxclear = toolheadclearx[new_tool];
+
+ /**
+ * 1. Move to switch position of current toolhead
+ * 2. Release and place toolhead in the dock
+ * 3. Move to the new toolhead
+ * 4. Grab the new toolhead and move to security position
+ */
+
+ DEBUG_POS("Start MST Tool-Change", current_position);
+
+ // 1. Move to switch position current toolhead
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_CLEAR;
+
+ SERIAL_ECHOLNPAIR("(1) Place old tool ", int(active_extruder));
+ DEBUG_POS("Move Y SwitchPos + Security", current_position);
+
+ fast_line_to_current(Y_AXIS);
+
+ current_position.x = placexclear;
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_POS("Move X SwitchPos + Security", current_position);
+
+ fast_line_to_current(X_AXIS);
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS;
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_POS("Move Y SwitchPos", current_position);
+
+ fast_line_to_current(Y_AXIS);
+
+ current_position.x = placexpos;
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_POS("Move X SwitchPos", current_position);
+
+ line_to_current_position(planner.settings.max_feedrate_mm_s[X_AXIS] * 0.25f);
+
+ // 2. Release and place toolhead in the dock
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_ECHOLNPGM("(2) Release and Place Toolhead");
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_RELEASE;
+ DEBUG_POS("Move Y SwitchPos + Release", current_position);
+ line_to_current_position(planner.settings.max_feedrate_mm_s[Y_AXIS] * 0.1f);
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_SECURITY;
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_POS("Move Y SwitchPos + Security", current_position);
+
+ line_to_current_position(planner.settings.max_feedrate_mm_s[Y_AXIS]);
+
+ // 3. Move to new toolhead position
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_ECHOLNPGM("(3) Move to new toolhead position");
+
+ current_position.x = grabxpos;
+ DEBUG_POS("Move to new toolhead X", current_position);
+ fast_line_to_current(X_AXIS);
+
+ // 4. Grab the new toolhead and move to security position
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_ECHOLNPGM("(4) Grab new toolhead, move to security position");
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_RELEASE;
+ DEBUG_POS("Move Y SwitchPos + Release", current_position);
+ line_to_current_position(planner.settings.max_feedrate_mm_s[Y_AXIS]);
+
+ current_position.y = SWITCHING_TOOLHEAD_Y_POS;
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_POS("Move Y SwitchPos", current_position);
+
+ _line_to_current(Y_AXIS, 0.2f);
+
+ #if ENABLED(PRIME_BEFORE_REMOVE) && (SWITCHING_TOOLHEAD_PRIME_MM || SWITCHING_TOOLHEAD_RETRACT_MM)
+ #if SWITCHING_TOOLHEAD_PRIME_MM
+ current_position.e += SWITCHING_TOOLHEAD_PRIME_MM;
+ planner.buffer_line(current_position, MMM_TO_MMS(SWITCHING_TOOLHEAD_PRIME_FEEDRATE), new_tool);
+ #endif
+ #if SWITCHING_TOOLHEAD_RETRACT_MM
+ current_position.e -= SWITCHING_TOOLHEAD_RETRACT_MM;
+ planner.buffer_line(current_position, MMM_TO_MMS(SWITCHING_TOOLHEAD_RETRACT_FEEDRATE), new_tool);
+ #endif
+ #else
+ planner.synchronize();
+ safe_delay(100); // Give switch time to settle
+ #endif
+
+ current_position.x = grabxclear;
+ DEBUG_POS("Move to new toolhead X + Security", current_position);
+ _line_to_current(X_AXIS, 0.1f);
+ planner.synchronize();
+ safe_delay(100); // Give switch time to settle
+
+ current_position.y += SWITCHING_TOOLHEAD_Y_CLEAR;
+ DEBUG_POS("Move back Y clear", current_position);
+ fast_line_to_current(Y_AXIS); // move away from docked toolhead
+ planner.synchronize(); // Always sync last tool-change move
+
+ DEBUG_POS("MST Tool-Change done.", current_position);
+ }
+
+#elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
+
+ inline void est_activate_solenoid() { OUT_WRITE(SOL0_PIN, HIGH); }
+ inline void est_deactivate_solenoid() { OUT_WRITE(SOL0_PIN, LOW); }
+ void est_init() { est_activate_solenoid(); }
+
+ inline void em_switching_toolhead_tool_change(const uint8_t new_tool, bool no_move) {
+ if (no_move) return;
+
+ constexpr float toolheadposx[] = SWITCHING_TOOLHEAD_X_POS;
+ const float placexpos = toolheadposx[active_extruder],
+ grabxpos = toolheadposx[new_tool];
+ const xyz_pos_t &hoffs = hotend_offset[active_extruder];
+
+ /**
+ * 1. Raise Z-Axis to give enough clearance
+ * 2. Move to position near active extruder parking
+ * 3. Move gently to park position of active extruder
+ * 4. Disengage magnetic field, wait for delay
+ * 5. Leave extruder and move to position near new extruder parking
+ * 6. Move gently to park position of new extruder
+ * 7. Engage magnetic field for new extruder parking
+ * 8. Unpark extruder
+ * 9. Apply Z hotend offset to current position
+ */
+
+ DEBUG_POS("Start EMST Tool-Change", current_position);
+
+ // 1. Raise Z-Axis to give enough clearance
+
+ current_position.z += SWITCHING_TOOLHEAD_Z_HOP;
+ DEBUG_POS("(1) Raise Z-Axis ", current_position);
+ fast_line_to_current(Z_AXIS);
+
+ // 2. Move to position near active extruder parking
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_ECHOLNPAIR("(2) Move near active extruder parking", active_extruder);
+ DEBUG_POS("Moving ParkPos", current_position);
+
+ current_position.set(hoffs.x + placexpos,
+ hoffs.y + SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_CLEAR);
+ fast_line_to_current(X_AXIS);
+
+ // 3. Move gently to park position of active extruder
+
+ DEBUG_SYNCHRONIZE();
+ SERIAL_ECHOLNPAIR("(3) Move gently to park position of active extruder", active_extruder);
+ DEBUG_POS("Moving ParkPos", current_position);
+
+ current_position.y -= SWITCHING_TOOLHEAD_Y_CLEAR;
+ slow_line_to_current(Y_AXIS);
+
+ // 4. Disengage magnetic field, wait for delay
+
+ planner.synchronize();
+ DEBUG_ECHOLNPGM("(4) Disengage magnet");
+ est_deactivate_solenoid();
+
+ // 5. Leave extruder and move to position near new extruder parking
+
+ DEBUG_ECHOLNPGM("(5) Move near new extruder parking");
+ DEBUG_POS("Moving ParkPos", current_position);
+
+ current_position.y += SWITCHING_TOOLHEAD_Y_CLEAR;
+ slow_line_to_current(Y_AXIS);
+ current_position.set(hoffs.x + grabxpos,
+ hoffs.y + SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_CLEAR);
+ fast_line_to_current(X_AXIS);
+
+ // 6. Move gently to park position of new extruder
+
+ current_position.y -= SWITCHING_TOOLHEAD_Y_CLEAR;
+ if (DEBUGGING(LEVELING)) {
+ planner.synchronize();
+ DEBUG_ECHOLNPGM("(6) Move near new extruder");
+ }
+ slow_line_to_current(Y_AXIS);
+
+ // 7. Engage magnetic field for new extruder parking
+
+ DEBUG_SYNCHRONIZE();
+ DEBUG_ECHOLNPGM("(7) Engage magnetic field");
+ est_activate_solenoid();
+
+ // 8. Unpark extruder
+
+ current_position.y += SWITCHING_TOOLHEAD_Y_CLEAR;
+ DEBUG_ECHOLNPGM("(8) Unpark extruder");
+ slow_line_to_current(X_AXIS);
+ planner.synchronize(); // Always sync the final move
+
+ // 9. Apply Z hotend offset to current position
+
+ DEBUG_POS("(9) Applying Z-offset", current_position);
+ current_position.z += hoffs.z - hotend_offset[new_tool].z;
+
+ DEBUG_POS("EMST Tool-Change done.", current_position);
+ }
+
+#endif // ELECTROMAGNETIC_SWITCHING_TOOLHEAD
+
+#if EXTRUDERS
+ inline void invalid_extruder_error(const uint8_t e) {
+ SERIAL_ECHO_START();
+ SERIAL_CHAR('T'); SERIAL_ECHO((int)e);
+ SERIAL_CHAR(' '); SERIAL_ECHOLNPGM(STR_INVALID_EXTRUDER);
+ }
+#endif
+
+#if ENABLED(DUAL_X_CARRIAGE)
+
+ /**
+ * @brief Dual X Tool Change
+ * @details Change tools, with extra behavior based on current mode
+ *
+ * @param new_tool Tool index to activate
+ * @param no_move Flag indicating no moves should take place
+ */
+ inline void dualx_tool_change(const uint8_t new_tool, bool &no_move) {
+
+ DEBUG_ECHOPGM("Dual X Carriage Mode ");
+ switch (dual_x_carriage_mode) {
+ case DXC_FULL_CONTROL_MODE: DEBUG_ECHOLNPGM("FULL_CONTROL"); break;
+ case DXC_AUTO_PARK_MODE: DEBUG_ECHOLNPGM("AUTO_PARK"); break;
+ case DXC_DUPLICATION_MODE: DEBUG_ECHOLNPGM("DUPLICATION"); break;
+ case DXC_MIRRORED_MODE: DEBUG_ECHOLNPGM("MIRRORED"); break;
+ }
+
+ // Get the home position of the currently-active tool
+ const float xhome = x_home_pos(active_extruder);
+
+ if (dual_x_carriage_mode == DXC_AUTO_PARK_MODE // If Auto-Park mode is enabled
+ && IsRunning() && !no_move // ...and movement is permitted
+ && (delayed_move_time || current_position.x != xhome) // ...and delayed_move_time is set OR not "already parked"...
+ ) {
+ DEBUG_ECHOLNPAIR("MoveX to ", xhome);
+ current_position.x = xhome;
+ line_to_current_position(planner.settings.max_feedrate_mm_s[X_AXIS]); // Park the current head
+ planner.synchronize();
+ }
+
+ // Activate the new extruder ahead of calling set_axis_is_at_home!
+ active_extruder = new_tool;
+
+ // This function resets the max/min values - the current position may be overwritten below.
+ set_axis_is_at_home(X_AXIS);
+
+ DEBUG_POS("New Extruder", current_position);
+
+ switch (dual_x_carriage_mode) {
+ case DXC_FULL_CONTROL_MODE:
+ // New current position is the position of the activated extruder
+ current_position.x = inactive_extruder_x;
+ // Save the inactive extruder's position (from the old current_position)
+ inactive_extruder_x = destination.x;
+ DEBUG_ECHOLNPAIR("DXC Full Control curr.x=", current_position.x, " dest.x=", destination.x);
+ break;
+ case DXC_AUTO_PARK_MODE:
+ idex_set_parked();
+ break;
+ default:
+ break;
+ }
+
+ // Ensure X axis DIR pertains to the correct carriage
+ stepper.set_directions();
+
+ DEBUG_ECHOLNPAIR("Active extruder parked: ", active_extruder_parked ? "yes" : "no");
+ DEBUG_POS("New extruder (parked)", current_position);
+ }
+
+#endif // DUAL_X_CARRIAGE
+
+/**
+ * Prime active tool using TOOLCHANGE_FILAMENT_SWAP settings
+ */
+#if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
+
+ void tool_change_prime() {
+ if (toolchange_settings.extra_prime > 0
+ && TERN(PREVENT_COLD_EXTRUSION, !thermalManager.targetTooColdToExtrude(active_extruder), 1)
+ ) {
+ destination = current_position; // Remember the old position
+
+ const bool ok = TERN1(TOOLCHANGE_PARK, all_axes_homed() && toolchange_settings.enable_park);
+
+ #if HAS_FAN && TOOLCHANGE_FS_FAN >= 0
+ // Store and stop fan. Restored on any exit.
+ REMEMBER(fan, thermalManager.fan_speed[TOOLCHANGE_FS_FAN], 0);
+ #endif
+
+ // Z raise
+ if (ok) {
+ // Do a small lift to avoid the workpiece in the move back (below)
+ current_position.z += toolchange_settings.z_raise;
+ #if HAS_SOFTWARE_ENDSTOPS
+ NOMORE(current_position.z, soft_endstop.max.z);
+ #endif
+ fast_line_to_current(Z_AXIS);
+ planner.synchronize();
+ }
+
+ // Park
+ #if ENABLED(TOOLCHANGE_PARK)
+ if (ok) {
+ IF_DISABLED(TOOLCHANGE_PARK_Y_ONLY, current_position.x = toolchange_settings.change_point.x);
+ IF_DISABLED(TOOLCHANGE_PARK_X_ONLY, current_position.y = toolchange_settings.change_point.y);
+ planner.buffer_line(current_position, MMM_TO_MMS(TOOLCHANGE_PARK_XY_FEEDRATE), active_extruder);
+ planner.synchronize();
+ }
+ #endif
+
+ // Prime (All distances are added and slowed down to ensure secure priming in all circumstances)
+ unscaled_e_move(toolchange_settings.swap_length + toolchange_settings.extra_prime, MMM_TO_MMS(toolchange_settings.prime_speed));
+
+ // Cutting retraction
+ #if TOOLCHANGE_FS_WIPE_RETRACT
+ unscaled_e_move(-(TOOLCHANGE_FS_WIPE_RETRACT), MMM_TO_MMS(toolchange_settings.retract_speed));
+ #endif
+
+ // Cool down with fan
+ #if HAS_FAN && TOOLCHANGE_FS_FAN >= 0
+ thermalManager.fan_speed[TOOLCHANGE_FS_FAN] = toolchange_settings.fan_speed;
+ gcode.dwell(SEC_TO_MS(toolchange_settings.fan_time));
+ thermalManager.fan_speed[TOOLCHANGE_FS_FAN] = 0;
+ #endif
+
+ // Move back
+ #if ENABLED(TOOLCHANGE_PARK)
+ if (ok) {
+ #if ENABLED(TOOLCHANGE_NO_RETURN)
+ do_blocking_move_to_z(destination.z, planner.settings.max_feedrate_mm_s[Z_AXIS]);
+ #else
+ do_blocking_move_to(destination, MMM_TO_MMS(TOOLCHANGE_PARK_XY_FEEDRATE));
+ #endif
+ }
+ #endif
+
+ // Cutting recover
+ unscaled_e_move(toolchange_settings.extra_resume + TOOLCHANGE_FS_WIPE_RETRACT, MMM_TO_MMS(toolchange_settings.unretract_speed));
+
+ planner.synchronize();
+ current_position.e = destination.e;
+ sync_plan_position_e(); // Resume at the old E position
+ }
+ }
+
+#endif // TOOLCHANGE_FILAMENT_SWAP
+
+/**
+ * Perform a tool-change, which may result in moving the
+ * previous tool out of the way and the new tool into place.
+ */
+void tool_change(const uint8_t new_tool, bool no_move/*=false*/) {
+
+ if (TERN0(MAGNETIC_SWITCHING_TOOLHEAD, new_tool == active_extruder))
+ return;
+
+ #if ENABLED(MIXING_EXTRUDER)
+
+ UNUSED(no_move);
+
+ if (new_tool >= MIXING_VIRTUAL_TOOLS)
+ return invalid_extruder_error(new_tool);
+
+ #if MIXING_VIRTUAL_TOOLS > 1
+ // T0-Tnnn: Switch virtual tool by changing the index to the mix
+ mixer.T(new_tool);
+ #endif
+
+ #elif HAS_PRUSA_MMU2
+
+ UNUSED(no_move);
+
+ mmu2.tool_change(new_tool);
+
+ #elif EXTRUDERS == 0
+
+ // Nothing to do
+ UNUSED(new_tool); UNUSED(no_move);
+
+ #elif EXTRUDERS < 2
+
+ UNUSED(no_move);
+
+ if (new_tool) invalid_extruder_error(new_tool);
+ return;
+
+ #elif HAS_MULTI_EXTRUDER
+
+ planner.synchronize();
+
+ #if ENABLED(DUAL_X_CARRIAGE) // Only T0 allowed if the Printer is in DXC_DUPLICATION_MODE or DXC_MIRRORED_MODE
+ if (new_tool != 0 && idex_is_duplicating())
+ return invalid_extruder_error(new_tool);
+ #endif
+
+ if (new_tool >= EXTRUDERS)
+ return invalid_extruder_error(new_tool);
+
+ if (!no_move && homing_needed()) {
+ no_move = true;
+ DEBUG_ECHOLNPGM("No move (not homed)");
+ }
+
+ TERN_(HAS_LCD_MENU, if (!no_move) ui.update());
+
+ #if ENABLED(DUAL_X_CARRIAGE)
+ const bool idex_full_control = dual_x_carriage_mode == DXC_FULL_CONTROL_MODE;
+ #else
+ constexpr bool idex_full_control = false;
+ #endif
+
+ const uint8_t old_tool = active_extruder;
+ const bool can_move_away = !no_move && !idex_full_control;
+
+ #if HAS_LEVELING
+ // Set current position to the physical position
+ TEMPORARY_BED_LEVELING_STATE(false);
+ #endif
+
+ // First tool priming. To prime again, reboot the machine.
+ #if BOTH(TOOLCHANGE_FILAMENT_SWAP, TOOLCHANGE_FS_PRIME_FIRST_USED)
+ static bool first_tool_is_primed = false;
+ if (new_tool == old_tool && !first_tool_is_primed && enable_first_prime) {
+ tool_change_prime();
+ first_tool_is_primed = true;
+ toolchange_extruder_ready[old_tool] = true; // Primed and initialized
+ }
+ #endif
+
+ if (new_tool != old_tool || TERN0(PARKING_EXTRUDER, extruder_parked)) { // PARKING_EXTRUDER may need to attach old_tool when homing
+ destination = current_position;
+
+ #if BOTH(TOOLCHANGE_FILAMENT_SWAP, HAS_FAN) && TOOLCHANGE_FS_FAN >= 0
+ // Store and stop fan. Restored on any exit.
+ REMEMBER(fan, thermalManager.fan_speed[TOOLCHANGE_FS_FAN], 0);
+ #endif
+
+ // Z raise before retraction
+ #if ENABLED(TOOLCHANGE_ZRAISE_BEFORE_RETRACT) && DISABLED(SWITCHING_NOZZLE)
+ if (can_move_away && TERN1(TOOLCHANGE_PARK, toolchange_settings.enable_park)) {
+ // Do a small lift to avoid the workpiece in the move back (below)
+ current_position.z += toolchange_settings.z_raise;
+ #if HAS_SOFTWARE_ENDSTOPS
+ NOMORE(current_position.z, soft_endstop.max.z);
+ #endif
+ fast_line_to_current(Z_AXIS);
+ planner.synchronize();
+ }
+ #endif
+
+ // Unload / Retract
+ #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
+ const bool should_swap = can_move_away && toolchange_settings.swap_length,
+ too_cold = TERN0(PREVENT_COLD_EXTRUSION,
+ !DEBUGGING(DRYRUN) && (thermalManager.targetTooColdToExtrude(old_tool) || thermalManager.targetTooColdToExtrude(new_tool))
+ );
+ if (should_swap) {
+ if (too_cold) {
+ SERIAL_ECHO_MSG(STR_ERR_HOTEND_TOO_COLD);
+ if (ENABLED(SINGLENOZZLE)) { active_extruder = new_tool; return; }
+ }
+ else {
+ #if ENABLED(TOOLCHANGE_FS_PRIME_FIRST_USED)
+ // For first new tool, change without unloading the old. 'Just prime/init the new'
+ if (first_tool_is_primed)
+ unscaled_e_move(-toolchange_settings.swap_length, MMM_TO_MMS(toolchange_settings.retract_speed));
+ first_tool_is_primed = true; // The first new tool will be primed by toolchanging
+ #endif
+ }
+ }
+ #endif
+
+ TERN_(SWITCHING_NOZZLE_TWO_SERVOS, raise_nozzle(old_tool));
+
+ REMEMBER(fr, feedrate_mm_s, XY_PROBE_FEEDRATE_MM_S);
+
+ #if HAS_SOFTWARE_ENDSTOPS
+ #if HAS_HOTEND_OFFSET
+ #define _EXT_ARGS , old_tool, new_tool
+ #else
+ #define _EXT_ARGS
+ #endif
+ update_software_endstops(X_AXIS _EXT_ARGS);
+ #if DISABLED(DUAL_X_CARRIAGE)
+ update_software_endstops(Y_AXIS _EXT_ARGS);
+ update_software_endstops(Z_AXIS _EXT_ARGS);
+ #endif
+ #endif
+
+ #if DISABLED(TOOLCHANGE_ZRAISE_BEFORE_RETRACT) && DISABLED(SWITCHING_NOZZLE)
+ if (can_move_away && TERN1(TOOLCHANGE_PARK, toolchange_settings.enable_park)) {
+ // Do a small lift to avoid the workpiece in the move back (below)
+ current_position.z += toolchange_settings.z_raise;
+ #if HAS_SOFTWARE_ENDSTOPS
+ NOMORE(current_position.z, soft_endstop.max.z);
+ #endif
+ fast_line_to_current(Z_AXIS);
+ }
+ #endif
+
+ // Toolchange park
+ #if ENABLED(TOOLCHANGE_PARK) && DISABLED(SWITCHING_NOZZLE)
+ if (can_move_away && toolchange_settings.enable_park) {
+ IF_DISABLED(TOOLCHANGE_PARK_Y_ONLY, current_position.x = toolchange_settings.change_point.x);
+ IF_DISABLED(TOOLCHANGE_PARK_X_ONLY, current_position.y = toolchange_settings.change_point.y);
+ planner.buffer_line(current_position, MMM_TO_MMS(TOOLCHANGE_PARK_XY_FEEDRATE), old_tool);
+ planner.synchronize();
+ }
+ #endif
+
+ #if HAS_HOTEND_OFFSET
+ xyz_pos_t diff = hotend_offset[new_tool] - hotend_offset[old_tool];
+ TERN_(DUAL_X_CARRIAGE, diff.x = 0);
+ #else
+ constexpr xyz_pos_t diff{0};
+ #endif
+
+ #if ENABLED(DUAL_X_CARRIAGE)
+ dualx_tool_change(new_tool, no_move);
+ #elif ENABLED(PARKING_EXTRUDER) // Dual Parking extruder
+ parking_extruder_tool_change(new_tool, no_move);
+ #elif ENABLED(MAGNETIC_PARKING_EXTRUDER) // Magnetic Parking extruder
+ magnetic_parking_extruder_tool_change(new_tool);
+ #elif ENABLED(SWITCHING_TOOLHEAD) // Switching Toolhead
+ switching_toolhead_tool_change(new_tool, no_move);
+ #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD) // Magnetic Switching Toolhead
+ magnetic_switching_toolhead_tool_change(new_tool, no_move);
+ #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD) // Magnetic Switching ToolChanger
+ em_switching_toolhead_tool_change(new_tool, no_move);
+ #elif ENABLED(SWITCHING_NOZZLE) && !SWITCHING_NOZZLE_TWO_SERVOS // Switching Nozzle (single servo)
+ // Raise by a configured distance to avoid workpiece, except with
+ // SWITCHING_NOZZLE_TWO_SERVOS, as both nozzles will lift instead.
+ if (!no_move) {
+ const float newz = current_position.z + _MAX(-diff.z, 0.0);
+
+ // Check if Z has space to compensate at least z_offset, and if not, just abort now
+ const float maxz = _MIN(TERN(HAS_SOFTWARE_ENDSTOPS, soft_endstop.max.z, Z_MAX_POS), Z_MAX_POS);
+ if (newz > maxz) return;
+
+ current_position.z = _MIN(newz + toolchange_settings.z_raise, maxz);
+ fast_line_to_current(Z_AXIS);
+ }
+ move_nozzle_servo(new_tool);
+ #endif
+
+ // Set the new active extruder
+ if (DISABLED(DUAL_X_CARRIAGE)) active_extruder = new_tool;
+
+ // The newly-selected extruder XYZ is actually at...
+ DEBUG_ECHOLNPAIR("Offset Tool XYZ by { ", diff.x, ", ", diff.y, ", ", diff.z, " }");
+ current_position += diff;
+
+ // Tell the planner the new "current position"
+ sync_plan_position();
+
+ #if ENABLED(DELTA)
+ //LOOP_XYZ(i) update_software_endstops(i); // or modify the constrain function
+ const bool safe_to_move = current_position.z < delta_clip_start_height - 1;
+ #else
+ constexpr bool safe_to_move = true;
+ #endif
+
+ // Return to position and lower again
+ const bool should_move = safe_to_move && !no_move && IsRunning();
+ if (should_move) {
+
+ TERN_(SINGLENOZZLE_STANDBY_TEMP, thermalManager.singlenozzle_change(old_tool, new_tool));
+
+ #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
+ if (should_swap && !too_cold) {
+
+ float fr = toolchange_settings.unretract_speed;
+
+ #if ENABLED(TOOLCHANGE_FS_INIT_BEFORE_SWAP)
+ if (!toolchange_extruder_ready[new_tool]) {
+ toolchange_extruder_ready[new_tool] = true;
+ fr = toolchange_settings.prime_speed; // Next move is a prime
+ unscaled_e_move(0, MMM_TO_MMS(fr)); // Init planner with 0 length move
+ }
+ #endif
+
+ // Unretract (or Prime)
+ unscaled_e_move(toolchange_settings.swap_length, MMM_TO_MMS(fr));
+
+ // Extra Prime
+ unscaled_e_move(toolchange_settings.extra_prime, MMM_TO_MMS(toolchange_settings.prime_speed));
+
+ // Cutting retraction
+ #if TOOLCHANGE_FS_WIPE_RETRACT
+ unscaled_e_move(-(TOOLCHANGE_FS_WIPE_RETRACT), MMM_TO_MMS(toolchange_settings.retract_speed));
+ #endif
+
+ // Cool down with fan
+ #if HAS_FAN && TOOLCHANGE_FS_FAN >= 0
+ thermalManager.fan_speed[TOOLCHANGE_FS_FAN] = toolchange_settings.fan_speed;
+ gcode.dwell(SEC_TO_MS(toolchange_settings.fan_time));
+ thermalManager.fan_speed[TOOLCHANGE_FS_FAN] = 0;
+ #endif
+ }
+ #endif
+
+ // Prevent a move outside physical bounds
+ #if ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
+ // If the original position is within tool store area, go to X origin at once
+ if (destination.y < SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_CLEAR) {
+ current_position.x = 0;
+ planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS], new_tool);
+ planner.synchronize();
+ }
+ #else
+ apply_motion_limits(destination);
+ #endif
+
+ // Should the nozzle move back to the old position?
+ if (can_move_away) {
+ #if ENABLED(TOOLCHANGE_NO_RETURN)
+ // Just move back down
+ DEBUG_ECHOLNPGM("Move back Z only");
+
+ if (TERN1(TOOLCHANGE_PARK, toolchange_settings.enable_park))
+ do_blocking_move_to_z(destination.z, planner.settings.max_feedrate_mm_s[Z_AXIS]);
+
+ #else
+ // Move back to the original (or adjusted) position
+ DEBUG_POS("Move back", destination);
+
+ #if ENABLED(TOOLCHANGE_PARK)
+ if (toolchange_settings.enable_park) do_blocking_move_to_xy_z(destination, destination.z, MMM_TO_MMS(TOOLCHANGE_PARK_XY_FEEDRATE));
+ #else
+ do_blocking_move_to_xy(destination, planner.settings.max_feedrate_mm_s[X_AXIS]);
+ do_blocking_move_to_z(destination.z, planner.settings.max_feedrate_mm_s[Z_AXIS]);
+ #endif
+
+ #endif
+ }
+
+ else DEBUG_ECHOLNPGM("Move back skipped");
+
+ #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
+ if (should_swap && !too_cold) {
+ // Cutting recover
+ unscaled_e_move(toolchange_settings.extra_resume + TOOLCHANGE_FS_WIPE_RETRACT, MMM_TO_MMS(toolchange_settings.unretract_speed));
+ current_position.e = 0;
+ sync_plan_position_e(); // New extruder primed and set to 0
+
+ // Restart Fan
+ #if HAS_FAN && TOOLCHANGE_FS_FAN >= 0
+ RESTORE(fan);
+ #endif
+ }
+ #endif
+
+ TERN_(DUAL_X_CARRIAGE, idex_set_parked(false));
+ }
+
+ #if ENABLED(SWITCHING_NOZZLE)
+ // Move back down. (Including when the new tool is higher.)
+ if (!should_move)
+ do_blocking_move_to_z(destination.z, planner.settings.max_feedrate_mm_s[Z_AXIS]);
+ #endif
+
+ TERN_(SWITCHING_NOZZLE_TWO_SERVOS, lower_nozzle(new_tool));
+
+ } // (new_tool != old_tool)
+
+ planner.synchronize();
+
+ #if ENABLED(EXT_SOLENOID) && DISABLED(PARKING_EXTRUDER)
+ disable_all_solenoids();
+ enable_solenoid_on_active_extruder();
+ #endif
+
+ #if HAS_PRUSA_MMU1
+ if (new_tool >= E_STEPPERS) return invalid_extruder_error(new_tool);
+ select_multiplexed_stepper(new_tool);
+ #endif
+
+ #if DO_SWITCH_EXTRUDER
+ planner.synchronize();
+ move_extruder_servo(active_extruder);
+ #endif
+
+ TERN_(HAS_FANMUX, fanmux_switch(active_extruder));
+
+ #ifdef EVENT_GCODE_AFTER_TOOLCHANGE
+ if (!no_move && TERN1(DUAL_X_CARRIAGE, dual_x_carriage_mode == DXC_AUTO_PARK_MODE))
+ gcode.process_subcommands_now_P(PSTR(EVENT_GCODE_AFTER_TOOLCHANGE));
+ #endif
+
+ SERIAL_ECHO_START();
+ SERIAL_ECHOLNPAIR(STR_ACTIVE_EXTRUDER, int(active_extruder));
+
+ #endif // HAS_MULTI_EXTRUDER
+}
+
+#if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
+
+ #define DEBUG_OUT ENABLED(DEBUG_TOOLCHANGE_MIGRATION_FEATURE)
+ #include "../core/debug_out.h"
+
+ bool extruder_migration() {
+
+ #if ENABLED(PREVENT_COLD_EXTRUSION)
+ if (thermalManager.targetTooColdToExtrude(active_extruder)) {
+ DEBUG_ECHOLNPGM("Migration Source Too Cold");
+ return false;
+ }
+ #endif
+
+ // No auto-migration or specified target?
+ if (!migration.target && active_extruder >= migration.last) {
+ DEBUG_ECHO_MSG("No Migration Target");
+ DEBUG_ECHO_MSG("Target: ", migration.target, " Last: ", migration.last, " Active: ", active_extruder);
+ migration.automode = false;
+ return false;
+ }
+
+ // Migrate to a target or the next extruder
+
+ uint8_t migration_extruder = active_extruder;
+
+ if (migration.target) {
+ DEBUG_ECHOLNPGM("Migration using fixed target");
+ // Specified target ok?
+ const int16_t t = migration.target - 1;
+ if (t != active_extruder) migration_extruder = t;
+ }
+ else if (migration.automode && migration_extruder < migration.last && migration_extruder < EXTRUDERS - 1)
+ migration_extruder++;
+
+ if (migration_extruder == active_extruder) {
+ DEBUG_ECHOLNPGM("Migration source matches active");
+ return false;
+ }
+
+ // Migration begins
+ DEBUG_ECHOLNPGM("Beginning migration");
+
+ migration.in_progress = true; // Prevent runout script
+ planner.synchronize();
+
+ // Remember position before migration
+ const float resume_current_e = current_position.e;
+
+ // Migrate the flow
+ planner.set_flow(migration_extruder, planner.flow_percentage[active_extruder]);
+
+ // Migrate the retracted state
+ #if ENABLED(FWRETRACT)
+ fwretract.retracted[migration_extruder] = fwretract.retracted[active_extruder];
+ #endif
+
+ // Migrate the temperature to the new hotend
+ #if HAS_MULTI_HOTEND
+ thermalManager.setTargetHotend(thermalManager.temp_hotend[active_extruder].target, migration_extruder);
+ TERN_(AUTOTEMP, planner.autotemp_update());
+ TERN_(HAS_DISPLAY, thermalManager.set_heating_message(0));
+ thermalManager.wait_for_hotend(active_extruder);
+ #endif
+
+ // Migrate Linear Advance K factor to the new extruder
+ TERN_(LIN_ADVANCE, planner.extruder_advance_K[active_extruder] = planner.extruder_advance_K[migration_extruder]);
+
+ // Perform the tool change
+ tool_change(migration_extruder);
+
+ // Retract if previously retracted
+ #if ENABLED(FWRETRACT)
+ if (fwretract.retracted[active_extruder])
+ unscaled_e_move(-fwretract.settings.retract_length, fwretract.settings.retract_feedrate_mm_s);
+ #endif
+
+ // If no available extruder
+ if (EXTRUDERS < 2 || active_extruder >= EXTRUDERS - 2 || active_extruder == migration.last)
+ migration.automode = false;
+
+ migration.in_progress = false;
+
+ current_position.e = resume_current_e;
+
+ planner.synchronize();
+ planner.set_e_position_mm(current_position.e); // New extruder primed and ready
+ DEBUG_ECHOLNPGM("Migration Complete");
+ return true;
+ }
+
+#endif // TOOLCHANGE_MIGRATION_FEATURE