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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 <http://www.gnu.org/licenses/>.
- *
- */
-
- #include "../../../inc/MarlinConfig.h"
-
- #if ENABLED(ADVANCED_PAUSE_FEATURE)
-
- #include "../../gcode.h"
- #include "../../../feature/pause.h"
- #include "../../../module/motion.h"
- #include "../../../module/printcounter.h"
-
- #if EXTRUDERS > 1
- #include "../../../module/tool_change.h"
- #endif
-
- #if HAS_LCD_MENU
- #include "../../../lcd/ultralcd.h"
- #endif
-
- #if ENABLED(MMU2_MENUS)
- #include "../../../lcd/menu/menu_mmu2.h"
- #endif
-
- #if ENABLED(MIXING_EXTRUDER)
- #include "../../../feature/mixing.h"
- #endif
-
- /**
- * M600: Pause for filament change
- *
- * E[distance] - Retract the filament this far
- * Z[distance] - Move the Z axis by this distance
- * X[position] - Move to this X position, with Y
- * Y[position] - Move to this Y position, with X
- * U[distance] - Retract distance for removal (manual reload)
- * L[distance] - Extrude distance for insertion (manual reload)
- * B[count] - Number of times to beep, -1 for indefinite (if equipped with a buzzer)
- * T[toolhead] - Select extruder for filament change
- *
- * Default values are used for omitted arguments.
- */
- void GcodeSuite::M600() {
-
- #if ENABLED(MIXING_EXTRUDER)
- const int8_t target_e_stepper = get_target_e_stepper_from_command();
- if (target_e_stepper < 0) return;
-
- const uint8_t old_mixing_tool = mixer.get_current_vtool();
- mixer.T(MIXER_DIRECT_SET_TOOL);
-
- MIXER_STEPPER_LOOP(i) mixer.set_collector(i, i == uint8_t(target_e_stepper) ? 1.0 : 0.0);
- mixer.normalize();
-
- const int8_t target_extruder = active_extruder;
- #else
- const int8_t target_extruder = get_target_extruder_from_command();
- if (target_extruder < 0) return;
- #endif
-
- #if ENABLED(DUAL_X_CARRIAGE)
- int8_t DXC_ext = target_extruder;
- if (!parser.seen('T')) { // If no tool index is specified, M600 was (probably) sent in response to filament runout.
- // In this case, for duplicating modes set DXC_ext to the extruder that ran out.
- #if HAS_FILAMENT_SENSOR && NUM_RUNOUT_SENSORS > 1
- if (dxc_is_duplicating())
- DXC_ext = (READ(FIL_RUNOUT2_PIN) == FIL_RUNOUT_INVERTING) ? 1 : 0;
- #else
- DXC_ext = active_extruder;
- #endif
- }
- #endif
-
- // Show initial "wait for start" message
- #if HAS_LCD_MENU && DISABLED(MMU2_MENUS)
- lcd_pause_show_message(PAUSE_MESSAGE_CHANGING, PAUSE_MODE_PAUSE_PRINT, target_extruder);
- #endif
-
- #if ENABLED(HOME_BEFORE_FILAMENT_CHANGE)
- // Don't allow filament change without homing first
- if (axes_need_homing()) home_all_axes();
- #endif
-
- #if EXTRUDERS > 1
- // Change toolhead if specified
- const uint8_t active_extruder_before_filament_change = active_extruder;
- if (
- active_extruder != target_extruder
- #if ENABLED(DUAL_X_CARRIAGE)
- && dual_x_carriage_mode != DXC_DUPLICATION_MODE && dual_x_carriage_mode != DXC_MIRRORED_MODE
- #endif
- ) tool_change(target_extruder, false);
- #endif
-
- // Initial retract before move to filament change position
- const float retract = -ABS(parser.seen('E') ? parser.value_axis_units(E_AXIS) : (PAUSE_PARK_RETRACT_LENGTH));
-
- xyz_pos_t park_point NOZZLE_PARK_POINT;
-
- // Lift Z axis
- if (parser.seenval('Z')) park_point.z = parser.linearval('Z');
-
- // Move XY axes to filament change position or given position
- if (parser.seenval('X')) park_point.x = parser.linearval('X');
- if (parser.seenval('Y')) park_point.y = parser.linearval('Y');
-
- #if HAS_HOTEND_OFFSET && NONE(DUAL_X_CARRIAGE, DELTA)
- park_point += hotend_offset[active_extruder];
- #endif
-
- #if ENABLED(MMU2_MENUS)
- // For MMU2 reset retract and load/unload values so they don't mess with MMU filament handling
- constexpr float unload_length = 0.5f,
- slow_load_length = 0.0f,
- fast_load_length = 0.0f;
- #else
- // Unload filament
- const float unload_length = -ABS(parser.seen('U') ? parser.value_axis_units(E_AXIS)
- : fc_settings[active_extruder].unload_length);
-
- // Slow load filament
- constexpr float slow_load_length = FILAMENT_CHANGE_SLOW_LOAD_LENGTH;
-
- // Fast load filament
- const float fast_load_length = ABS(parser.seen('L') ? parser.value_axis_units(E_AXIS)
- : fc_settings[active_extruder].load_length);
- #endif
-
- const int beep_count = parser.intval('B', -1
- #ifdef FILAMENT_CHANGE_ALERT_BEEPS
- + 1 + FILAMENT_CHANGE_ALERT_BEEPS
- #endif
- );
-
- if (pause_print(retract, park_point, unload_length, true DXC_PASS)) {
- #if ENABLED(MMU2_MENUS)
- mmu2_M600();
- resume_print(slow_load_length, fast_load_length, 0, beep_count DXC_PASS);
- #else
- wait_for_confirmation(true, beep_count DXC_PASS);
- resume_print(slow_load_length, fast_load_length, ADVANCED_PAUSE_PURGE_LENGTH, beep_count DXC_PASS);
- #endif
- }
-
- #if EXTRUDERS > 1
- // Restore toolhead if it was changed
- if (active_extruder_before_filament_change != active_extruder)
- tool_change(active_extruder_before_filament_change, false);
- #endif
-
- TERN_(MIXING_EXTRUDER, mixer.T(old_mixing_tool)); // Restore original mixing tool
- }
-
- #endif // ADVANCED_PAUSE_FEATURE
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