# Copyright (c) 2023 Ultimaker B.V. # The PostProcessingPlugin is released under the terms of the LGPLv3 or higher. # Modification 06.09.2020 # add checkbox, now you can choose and use configuration from the firmware itself. from typing import List from ..Script import Script from UM.Application import Application #To get the current printer's settings. class FilamentChange(Script): _layer_keyword = ";LAYER:" def __init__(self): super().__init__() def getSettingDataString(self): return """{ "name": "Filament Change", "key": "FilamentChange", "metadata": {}, "version": 2, "settings": { "enabled": { "label": "Enable", "description": "Uncheck to temporarily disable this feature.", "type": "bool", "default_value": true }, "layer_number": { "label": "Layer", "description": "At what layer should color change occur. This will be before the layer starts printing. Specify multiple color changes with a comma.", "unit": "", "type": "str", "default_value": "1", "enabled": "enabled" }, "firmware_config": { "label": "Use Firmware Configuration", "description": "Use the settings in your firmware, or customise the parameters of the filament change here.", "type": "bool", "default_value": false, "enabled": "enabled" }, "initial_retract": { "label": "Initial Retraction", "description": "Initial filament retraction distance. The filament will be retracted with this amount before moving the nozzle away from the ongoing print.", "unit": "mm", "type": "float", "default_value": 30.0, "enabled": "enabled and not firmware_config" }, "later_retract": { "label": "Later Retraction Distance", "description": "Later filament retraction distance for removal. The filament will be retracted all the way out of the printer so that you can change the filament.", "unit": "mm", "type": "float", "default_value": 300.0, "enabled": "enabled and not firmware_config" }, "x_position": { "label": "X Position", "description": "Extruder X position. The print head will move here for filament change.", "unit": "mm", "type": "float", "default_value": 0, "enabled": "enabled and not firmware_config" }, "y_position": { "label": "Y Position", "description": "Extruder Y position. The print head will move here for filament change.", "unit": "mm", "type": "float", "default_value": 0, "enabled": "enabled and not firmware_config" }, "z_position": { "label": "Z Position (relative)", "description": "Extruder relative Z position. Move the print head up for filament change.", "unit": "mm", "type": "float", "default_value": 0, "minimum_value": 0, "enabled": "enabled" }, "retract_method": { "label": "Retract method", "description": "The gcode variant to use for retract.", "type": "enum", "options": {"U": "Marlin (M600 U)", "L": "Reprap (M600 L)"}, "default_value": "U", "value": "\\\"L\\\" if machine_gcode_flavor==\\\"RepRap (RepRap)\\\" else \\\"U\\\"", "enabled": "enabled and not firmware_config" }, "machine_gcode_flavor": { "label": "G-code flavor", "description": "The type of g-code to be generated. This setting is controlled by the script and will not be visible.", "type": "enum", "options": { "RepRap (Marlin/Sprinter)": "Marlin", "RepRap (Volumetric)": "Marlin (Volumetric)", "RepRap (RepRap)": "RepRap", "UltiGCode": "Ultimaker 2", "Griffin": "Griffin", "Makerbot": "Makerbot", "BFB": "Bits from Bytes", "MACH3": "Mach3", "Repetier": "Repetier" }, "default_value": "RepRap (Marlin/Sprinter)", "enabled": "false" }, "enable_before_macro": { "label": "Enable G-code Before", "description": "Use this to insert a custom G-code macro before the filament change happens", "type": "bool", "default_value": false, "enabled": "enabled" }, "before_macro": { "label": "G-code Before", "description": "Any custom G-code to run before the filament change happens, for example, M300 S1000 P10000 for a long beep.", "unit": "", "type": "str", "default_value": "M300 S1000 P10000", "enabled": "enabled and enable_before_macro" }, "enable_after_macro": { "label": "Enable G-code After", "description": "Use this to insert a custom G-code macro after the filament change", "type": "bool", "default_value": false, "enabled": "enabled" }, "after_macro": { "label": "G-code After", "description": "Any custom G-code to run after the filament has been changed right before continuing the print, for example, you can add a sequence to purge filament and wipe the nozzle.", "unit": "", "type": "str", "default_value": "M300 S440 P500", "enabled": "enabled and enable_after_macro" } } }""" ## Copy machine name and gcode flavor from global stack so we can use their value in the script stack def initialize(self) -> None: super().initialize() global_container_stack = Application.getInstance().getGlobalContainerStack() if global_container_stack is None or self._instance is None: return for key in ["machine_gcode_flavor"]: self._instance.setProperty(key, "value", global_container_stack.getProperty(key, "value")) def execute(self, data: List[str]): """Inserts the filament change g-code at specific layer numbers. :param data: A list of layers of g-code. :return: A similar list, with filament change commands inserted. """ enabled = self.getSettingValueByKey("enabled") layer_nums = self.getSettingValueByKey("layer_number") initial_retract = self.getSettingValueByKey("initial_retract") later_retract = self.getSettingValueByKey("later_retract") x_pos = self.getSettingValueByKey("x_position") y_pos = self.getSettingValueByKey("y_position") z_pos = self.getSettingValueByKey("z_position") firmware_config = self.getSettingValueByKey("firmware_config") enable_before_macro = self.getSettingValueByKey("enable_before_macro") before_macro = self.getSettingValueByKey("before_macro") enable_after_macro = self.getSettingValueByKey("enable_after_macro") after_macro = self.getSettingValueByKey("after_macro") if not enabled: return data color_change = ";BEGIN FilamentChange plugin\n" if enable_before_macro: color_change = color_change + before_macro + "\n" color_change = color_change + "M600" if not firmware_config: if initial_retract is not None and initial_retract > 0.: color_change = color_change + (" E%.2f" % initial_retract) if later_retract is not None and later_retract > 0.: # Reprap uses 'L': https://reprap.org/wiki/G-code#M600:_Filament_change_pause # Marlin uses 'U' https://marlinfw.org/docs/gcode/M600.html retract_method = self.getSettingValueByKey("retract_method") color_change = color_change + (" %s%.2f" % (retract_method, later_retract)) if x_pos is not None: color_change = color_change + (" X%.2f" % x_pos) if y_pos is not None: color_change = color_change + (" Y%.2f" % y_pos) if z_pos is not None and z_pos > 0.: color_change = color_change + (" Z%.2f" % z_pos) color_change = color_change + "\n" if enable_after_macro: color_change = color_change + after_macro + "\n" color_change = color_change + ";END FilamentChange plugin\n" layer_targets = layer_nums.split(",") if len(layer_targets) > 0: for layer_num in layer_targets: try: layer_num = int(layer_num.strip()) + 1 #Needs +1 because the 1st layer is reserved for start g-code. except ValueError: #Layer number is not an integer. continue if 0 < layer_num < len(data): data[layer_num] = color_change + data[layer_num] return data