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MarlinFirmware/Marlin/src/module/tool_change.cpp

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/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 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 <http://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 "../Marlin.h"
#if EXTRUDERS > 1
toolchange_settings_t toolchange_settings; // Initialized by settings.load()
#endif
#if ENABLED(SINGLENOZZLE)
uint16_t singlenozzle_temp[EXTRUDERS];
#if FAN_COUNT > 0
uint8_t singlenozzle_fan_speed[EXTRUDERS];
#endif
#endif
#if ENABLED(PARKING_EXTRUDER) && PARKING_EXTRUDER_SOLENOIDS_DELAY > 0
#include "../gcode/gcode.h" // for dwell()
#endif
#if ENABLED(SWITCHING_EXTRUDER) || ENABLED(SWITCHING_NOZZLE) || ENABLED(SWITCHING_TOOLHEAD)
#include "../module/servo.h"
#endif
#if ENABLED(EXT_SOLENOID) && DISABLED(PARKING_EXTRUDER)
#include "../feature/solenoid.h"
#endif
#if ENABLED(MK2_MULTIPLEXER)
#include "../feature/snmm.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 ENABLED(ULTIPANEL)
#include "../lcd/ultralcd.h"
#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]);
safe_delay(500);
}
}
#endif // DO_SWITCH_EXTRUDER
#if ENABLED(SWITCHING_NOZZLE)
void move_nozzle_servo(const uint8_t e) {
planner.synchronize();
MOVE_SERVO(SWITCHING_NOZZLE_SERVO_NR, servo_angles[SWITCHING_NOZZLE_SERVO_NR][e]);
safe_delay(500);
}
#endif // SWITCHING_NOZZLE
#if ENABLED(PARKING_EXTRUDER)
void pe_magnet_init() {
for (uint8_t n = 0; n <= 1; ++n)
#if ENABLED(PARKING_EXTRUDER_SOLENOIDS_INVERT)
pe_activate_magnet(n);
#else
pe_deactivate_magnet(n);
#endif
}
void pe_set_magnet(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
}
inline void parking_extruder_tool_change(const uint8_t tmp_extruder, bool no_move) {
if (!no_move) {
const float parkingposx[] = PARKING_EXTRUDER_PARKING_X,
midpos = (parkingposx[0] + parkingposx[1]) * 0.5 + hotend_offset[X_AXIS][active_extruder],
grabpos = parkingposx[tmp_extruder] + hotend_offset[X_AXIS][active_extruder]
+ (tmp_extruder == 0 ? -(PARKING_EXTRUDER_GRAB_DISTANCE) : PARKING_EXTRUDER_GRAB_DISTANCE);
/**
* 1. Raise Z-Axis to give enough clearance
* 2. Move to park position of old extruder
* 3. Disengage magnetic field, wait for delay
* 4. Move near new extruder
* 5. Engage magnetic field for new extruder
* 6. Move to parking incl. offset of new extruder
* 7. Lower Z-Axis
*/
// STEP 1
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Start Autopark", current_position);
#endif
current_position[Z_AXIS] += toolchange_settings.z_raise;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("(1) Raise Z-Axis", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Z_AXIS], active_extruder);
planner.synchronize();
// STEP 2
current_position[X_AXIS] = parkingposx[active_extruder] + hotend_offset[X_AXIS][active_extruder];
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOLNPAIR("(2) Park extruder ", int(active_extruder));
DEBUG_POS("Moving ParkPos", current_position);
}
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS], active_extruder);
planner.synchronize();
// STEP 3
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(3) Disengage magnet ");
#endif
pe_deactivate_magnet(active_extruder);
// STEP 4
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(4) Move to position near new extruder");
#endif
current_position[X_AXIS] += active_extruder ? -10 : 10; // move 10mm away from parked extruder
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move away from parked extruder", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS], active_extruder);
planner.synchronize();
// STEP 5
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(5) Engage magnetic field");
#endif
#if ENABLED(PARKING_EXTRUDER_SOLENOIDS_INVERT)
pe_activate_magnet(active_extruder); //just save power for inverted magnets
#endif
pe_activate_magnet(tmp_extruder);
// STEP 6
current_position[X_AXIS] = grabpos + (tmp_extruder ? -10 : 10);
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS], active_extruder);
current_position[X_AXIS] = grabpos;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("(6) Unpark extruder", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS]/2, active_extruder);
planner.synchronize();
// Step 7
current_position[X_AXIS] = midpos - hotend_offset[X_AXIS][tmp_extruder];
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("(7) Move midway between hotends", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS], active_extruder);
planner.synchronize();
#if ENABLED(DEBUG_LEVELING_FEATURE)
SERIAL_ECHOLNPGM("Autopark done.");
#endif
}
else { // nomove == true
// Only engage magnetic field for new extruder
pe_activate_magnet(tmp_extruder);
#if ENABLED(PARKING_EXTRUDER_SOLENOIDS_INVERT)
pe_activate_magnet(active_extruder); // Just save power for inverted magnets
#endif
}
current_position[Z_AXIS] += hotend_offset[Z_AXIS][active_extruder] - hotend_offset[Z_AXIS][tmp_extruder];
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Applying Z-offset", current_position);
#endif
}
#endif // PARKING_EXTRUDER
#if ENABLED(SWITCHING_TOOLHEAD)
inline void switching_toolhead_tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool no_move/*=false*/) {
if (no_move) return;
constexpr uint16_t angles[2] = SWITCHING_TOOLHEAD_SERVO_ANGLES;
const float toolheadposx[] = SWITCHING_TOOLHEAD_X_POS,
placexpos = toolheadposx[active_extruder],
grabxpos = toolheadposx[tmp_extruder];
/**
* 1. Raise Z to give enough clearance
* 2. Move to switch position of current toolhead
* 3. Unlock tool and drop it in the dock
* 4. Move to the new toolhead
* 5. Grab and lock the new toolhead
* 6. Apply the z-offset of the new toolhead
*/
// STEP 1
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Starting Toolhead change", current_position);
#endif
current_position[Z_AXIS] += toolchange_settings.z_raise;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("(1) Raise Z-Axis", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Z_AXIS], active_extruder);
planner.synchronize();
// STEP 2
current_position[X_AXIS] = placexpos;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOLNPAIR("(2) Place old tool ", int(active_extruder));
DEBUG_POS("Move X SwitchPos", current_position);
}
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS], active_extruder);
planner.synchronize();
current_position[Y_AXIS] = SWITCHING_TOOLHEAD_Y_POS - SWITCHING_TOOLHEAD_Y_SECURITY;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move Y SwitchPos + Security", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS], active_extruder);
planner.synchronize();
// STEP 3
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(3) Unlock and Place Toolhead");
#endif
MOVE_SERVO(SWITCHING_TOOLHEAD_SERVO_NR, angles[1]);
safe_delay(500);
current_position[Y_AXIS] = SWITCHING_TOOLHEAD_Y_POS;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move Y SwitchPos", current_position);
#endif
planner.buffer_line(current_position,(planner.settings.max_feedrate_mm_s[Y_AXIS] * 0.5), active_extruder);
planner.synchronize();
safe_delay(200);
current_position[Y_AXIS] -= SWITCHING_TOOLHEAD_Y_CLEAR;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move back Y clear", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS], active_extruder); // move away from docked toolhead
planner.synchronize();
// STEP 4
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(4) Move to new toolhead position");
#endif
current_position[X_AXIS] = grabxpos;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move to new toolhead X", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS], active_extruder);
planner.synchronize();
current_position[Y_AXIS] = SWITCHING_TOOLHEAD_Y_POS - SWITCHING_TOOLHEAD_Y_SECURITY;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move Y SwitchPos + Security", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS], active_extruder);
planner.synchronize();
// STEP 5
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(5) Grab and lock new toolhead ");
#endif
current_position[Y_AXIS] = SWITCHING_TOOLHEAD_Y_POS;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move Y SwitchPos", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS] * 0.5, active_extruder);
planner.synchronize();
safe_delay(200);
MOVE_SERVO(SWITCHING_TOOLHEAD_SERVO_NR, angles[0]);
safe_delay(500);
current_position[Y_AXIS] -= SWITCHING_TOOLHEAD_Y_CLEAR;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move back Y clear", current_position);
#endif
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS], active_extruder); // move away from docked toolhead
planner.synchronize();
// STEP 6
current_position[Z_AXIS] += hotend_offset[Z_AXIS][active_extruder] - hotend_offset[Z_AXIS][tmp_extruder];
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("(6) Apply Z offset", current_position);
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("Toolhead change done.");
#endif
}
#endif // SWITCHING_TOOLHEAD
inline void invalid_extruder_error(const uint8_t e) {
SERIAL_ECHO_START();
SERIAL_CHAR('T');
SERIAL_ECHO_F(e, DEC);
SERIAL_CHAR(' ');
SERIAL_ECHOLNPGM(MSG_INVALID_EXTRUDER);
}
#if ENABLED(DUAL_X_CARRIAGE)
inline void dualx_tool_change(const uint8_t tmp_extruder, bool &no_move) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPGM("Dual X Carriage Mode ");
switch (dual_x_carriage_mode) {
case DXC_FULL_CONTROL_MODE: SERIAL_ECHOLNPGM("DXC_FULL_CONTROL_MODE"); break;
case DXC_AUTO_PARK_MODE: SERIAL_ECHOLNPGM("DXC_AUTO_PARK_MODE"); break;
case DXC_DUPLICATION_MODE: SERIAL_ECHOLNPGM("DXC_DUPLICATION_MODE"); break;
case DXC_SCALED_DUPLICATION_MODE: SERIAL_ECHOLNPGM("DXC_SCALED_DUPLICATION_MODE"); break;
}
}
#endif
const float xhome = x_home_pos(active_extruder);
if (dual_x_carriage_mode == DXC_AUTO_PARK_MODE
&& IsRunning()
&& (delayed_move_time || current_position[X_AXIS] != xhome)
) {
float raised_z = current_position[Z_AXIS] + toolchange_settings.z_raise;
#if ENABLED(MAX_SOFTWARE_ENDSTOPS)
NOMORE(raised_z, soft_endstop_max[Z_AXIS]);
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOLNPAIR("Raise to ", raised_z);
SERIAL_ECHOLNPAIR("MoveX to ", xhome);
SERIAL_ECHOLNPAIR("Lower to ", current_position[Z_AXIS]);
}
#endif
// Park old head: 1) raise 2) move to park position 3) lower
#define CUR_X current_position[X_AXIS]
#define CUR_Y current_position[Y_AXIS]
#define CUR_Z current_position[Z_AXIS]
#define CUR_E current_position[E_AXIS]
planner.buffer_line(CUR_X, CUR_Y, raised_z, CUR_E, planner.settings.max_feedrate_mm_s[Z_AXIS], active_extruder);
planner.buffer_line(xhome, CUR_Y, raised_z, CUR_E, planner.settings.max_feedrate_mm_s[X_AXIS], active_extruder);
planner.buffer_line(xhome, CUR_Y, CUR_Z, CUR_E, planner.settings.max_feedrate_mm_s[Z_AXIS], active_extruder);
planner.synchronize();
}
// Apply Y & Z extruder offset (X offset is used as home pos with Dual X)
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];
// Activate the new extruder ahead of calling set_axis_is_at_home!
active_extruder = tmp_extruder;
// This function resets the max/min values - the current position may be overwritten below.
set_axis_is_at_home(X_AXIS);
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("New Extruder", current_position);
#endif
// Only when auto-parking are carriages safe to move
if (dual_x_carriage_mode != DXC_AUTO_PARK_MODE) no_move = true;
switch (dual_x_carriage_mode) {
case DXC_FULL_CONTROL_MODE:
// New current position is the position of the activated extruder
current_position[X_AXIS] = inactive_extruder_x_pos;
// Save the inactive extruder's position (from the old current_position)
inactive_extruder_x_pos = destination[X_AXIS];
break;
case DXC_AUTO_PARK_MODE:
// record raised toolhead position for use by unpark
COPY(raised_parked_position, current_position);
raised_parked_position[Z_AXIS] += toolchange_settings.z_raise;
#if ENABLED(MAX_SOFTWARE_ENDSTOPS)
NOMORE(raised_parked_position[Z_AXIS], soft_endstop_max[Z_AXIS]);
#endif
active_extruder_parked = true;
delayed_move_time = 0;
break;
}
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOLNPAIR("Active extruder parked: ", active_extruder_parked ? "yes" : "no");
DEBUG_POS("New extruder (parked)", current_position);
}
#endif
// No extra case for HAS_ABL in DUAL_X_CARRIAGE. Does that mean they don't work together?
}
#endif // DUAL_X_CARRIAGE
/**
* 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 tmp_extruder, const float fr_mm_s/*=0.0*/, bool no_move/*=false*/) {
#if DISABLED(MIXING_EXTRUDER)
planner.synchronize();
#endif
#if ENABLED(DUAL_X_CARRIAGE) // Only T0 allowed if the Printer is in DXC_DUPLICATION_MODE or DXC_SCALED_DUPLICATION_MODE
if (tmp_extruder != 0 && dxc_is_duplicating())
return invalid_extruder_error(tmp_extruder);
#endif
#if HAS_LEVELING
// Set current position to the physical position
const bool leveling_was_active = planner.leveling_active;
set_bed_leveling_enabled(false);
#endif
#if ENABLED(MIXING_EXTRUDER) && MIXING_VIRTUAL_TOOLS > 1
if (tmp_extruder >= MIXING_VIRTUAL_TOOLS)
return invalid_extruder_error(tmp_extruder);
// T0-Tnnn: Switch virtual tool by changing the index to the mix
mixer.T(uint_fast8_t(tmp_extruder));
UNUSED(fr_mm_s);
UNUSED(no_move);
#else // !MIXING_EXTRUDER || MIXING_VIRTUAL_TOOLS <= 1
if (tmp_extruder >= EXTRUDERS)
return invalid_extruder_error(tmp_extruder);
if (!no_move && !all_axes_homed()) {
no_move = true;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("No move on toolchange");
#endif
}
#if HOTENDS > 1
const float old_feedrate_mm_s = fr_mm_s > 0.0 ? fr_mm_s : feedrate_mm_s;
feedrate_mm_s = fr_mm_s > 0.0 ? fr_mm_s : XY_PROBE_FEEDRATE_MM_S;
if (tmp_extruder != active_extruder) {
#if ENABLED(DUAL_X_CARRIAGE)
#if HAS_SOFTWARE_ENDSTOPS
// Update the X software endstops early
active_extruder = tmp_extruder;
update_software_endstops(X_AXIS);
active_extruder = !tmp_extruder;
// Don't move the new extruder out of bounds
if (!WITHIN(current_position[X_AXIS], soft_endstop_min[X_AXIS], soft_endstop_max[X_AXIS]))
no_move = true;
#else
// No software endstops? Use the configured limits
if (active_extruder == 0) {
if (!WITHIN(current_position[X_AXIS], X2_MIN_POS, X2_MAX_POS))
no_move = true;
}
else if (!WITHIN(current_position[X_AXIS], X1_MIN_POS, X1_MAX_POS))
no_move = true;
#endif
#if ENABLED(ULTIPANEL)
lcd_return_to_status();
#endif
if (!no_move) set_destination_from_current();
dualx_tool_change(tmp_extruder, no_move); // Can modify no_move
#else // !DUAL_X_CARRIAGE
set_destination_from_current();
const float xdiff = hotend_offset[X_AXIS][tmp_extruder] - hotend_offset[X_AXIS][active_extruder],
ydiff = hotend_offset[Y_AXIS][tmp_extruder] - hotend_offset[Y_AXIS][active_extruder];
#if ENABLED(PARKING_EXTRUDER) // Dual Parking extruder
constexpr float zdiff = 0;
parking_extruder_tool_change(tmp_extruder, no_move);
#elif ENABLED(SWITCHING_TOOLHEAD) // Switching Toolhead
constexpr float zdiff = 0;
switching_toolhead_tool_change(tmp_extruder, fr_mm_s, no_move);
#else
const float zdiff = hotend_offset[Z_AXIS][tmp_extruder] - hotend_offset[Z_AXIS][active_extruder];
#if ENABLED(SWITCHING_NOZZLE)
// Always raise by a configured distance to avoid workpiece
current_position[Z_AXIS] += MAX(-zdiff, 0.0) + toolchange_settings.z_raise;
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Z_AXIS], active_extruder);
move_nozzle_servo(tmp_extruder);
#endif
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR("Offset Tool XY by { ", xdiff);
SERIAL_ECHOPAIR(", ", ydiff);
SERIAL_ECHOPAIR(", ", zdiff);
SERIAL_ECHOLNPGM(" }");
}
#endif
// The newly-selected extruder XY is actually at...
current_position[X_AXIS] += xdiff;
current_position[Y_AXIS] += ydiff;
current_position[Z_AXIS] += zdiff;
// Set the new active extruder
active_extruder = tmp_extruder;
#endif // !DUAL_X_CARRIAGE
// 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_AXIS] < delta_clip_start_height - 1;
#else
constexpr bool safe_to_move = true;
#endif
// Raise, move, and lower again
if (safe_to_move && !no_move && IsRunning()) {
#if DISABLED(SWITCHING_NOZZLE)
// Do a small lift to avoid the workpiece in the move back (below)
current_position[Z_AXIS] += toolchange_settings.z_raise;
planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Z_AXIS], active_extruder);
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move back", destination);
#endif
#if ENABLED(DUAL_X_CARRIAGE)
// Dual x carriage does not properly apply these to current position due to command ordering
// So we apply the offsets for y and z to the destination here. X cannot have an offset in this mode
// as it is utilized for X2 home position.
destination[Y_AXIS] -= hotend_offset[Y_AXIS][active_extruder] - hotend_offset[Y_AXIS][tmp_extruder];
destination[Z_AXIS] -= hotend_offset[Z_AXIS][active_extruder] - hotend_offset[Z_AXIS][tmp_extruder];
#endif
// Move back to the original (or tweaked) position
do_blocking_move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS]);
#if ENABLED(DUAL_X_CARRIAGE)
active_extruder_parked = false;
#endif
}
#if ENABLED(SWITCHING_NOZZLE)
else {
// Move back down. (Including when the new tool is higher.)
do_blocking_move_to_z(destination[Z_AXIS], planner.settings.max_feedrate_mm_s[Z_AXIS]);
}
#endif
} // (tmp_extruder != active_extruder)
planner.synchronize();
#if ENABLED(EXT_SOLENOID) && DISABLED(PARKING_EXTRUDER)
disable_all_solenoids();
enable_solenoid_on_active_extruder();
#endif
feedrate_mm_s = old_feedrate_mm_s;
#if HAS_SOFTWARE_ENDSTOPS && ENABLED(DUAL_X_CARRIAGE)
update_software_endstops(X_AXIS);
#endif
#else // HOTENDS <= 1
UNUSED(fr_mm_s);
UNUSED(no_move);
#if ENABLED(MK2_MULTIPLEXER)
if (tmp_extruder >= E_STEPPERS) return invalid_extruder_error(tmp_extruder);
select_multiplexed_stepper(tmp_extruder);
#endif
#if ENABLED(SINGLENOZZLE)
#if ENABLED(PREVENT_COLD_EXTRUSION)
if (!DEBUGGING(DRYRUN) && thermalManager.targetTooColdToExtrude(active_extruder) && toolchange_settings.swap_length) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_ERR_HOTEND_TOO_COLD);
active_extruder = tmp_extruder;
return;
}
#endif
#if FAN_COUNT > 0
singlenozzle_fan_speed[active_extruder] = fan_speed[0];
fan_speed[0] = singlenozzle_fan_speed[tmp_extruder];
#endif
if (toolchange_settings.swap_length) {
#if ENABLED(ADVANCED_PAUSE_FEATURE)
do_pause_e_move(-toolchange_settings.swap_length, MMM_TO_MMS(toolchange_settings.retract_speed));
#else
current_position[E_AXIS] -= toolchange_settings.swap_length / planner.e_factor[active_extruder];
planner.buffer_line(current_position, MMM_TO_MMS(toolchange_settings.retract_speed), active_extruder);
#endif
}
constexpr float snfr =
#if ENABLED(SINGLENOZZLE_SWAP_PARK)
MMM_TO_MMS(SINGLENOZZLE_PARK_XY_FEEDRATE);
#else
0
#endif
;
float old_pos[XYZ];
if (!no_move) {
COPY(old_pos, current_position);
#if ENABLED(SINGLENOZZLE_SWAP_PARK)
current_position[X_AXIS] = toolchange_settings.change_point.x;
current_position[Y_AXIS] = toolchange_settings.change_point.y;
#endif
current_position[Z_AXIS] += toolchange_settings.z_raise;
do_blocking_move_to(current_position, snfr);
}
singlenozzle_temp[active_extruder] = thermalManager.target_temperature[0];
if (singlenozzle_temp[tmp_extruder] && singlenozzle_temp[tmp_extruder] != singlenozzle_temp[active_extruder]) {
thermalManager.setTargetHotend(singlenozzle_temp[tmp_extruder], 0);
#if ENABLED(ULTRA_LCD)
thermalManager.set_heating_message(0);
#endif
(void)thermalManager.wait_for_hotend(0, false); // Wait for heating or cooling
}
active_extruder = tmp_extruder;
if (toolchange_settings.swap_length) {
#if ENABLED(ADVANCED_PAUSE_FEATURE)
do_pause_e_move(toolchange_settings.swap_length, toolchange_settings.prime_speed);
#else
current_position[E_AXIS] += toolchange_settings.swap_length / planner.e_factor[tmp_extruder];
planner.buffer_line(current_position, toolchange_settings.prime_speed, tmp_extruder);
#endif
}
if (!no_move) do_blocking_move_to(old_pos, snfr);
#elif EXTRUDERS > 1
active_extruder = tmp_extruder;
#endif
#endif // HOTENDS <= 1
#if DO_SWITCH_EXTRUDER
planner.synchronize();
move_extruder_servo(active_extruder);
#endif
#if HAS_FANMUX
fanmux_switch(active_extruder);
#endif
#if HAS_LEVELING
// Restore leveling to re-establish the logical position
set_bed_leveling_enabled(leveling_was_active);
#endif
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(MSG_ACTIVE_EXTRUDER, int(active_extruder));
#endif // !MIXING_EXTRUDER || MIXING_VIRTUAL_TOOLS <= 1
}
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