# Copyright (c) 2018 Ultimaker B.V. # Cura is released under the terms of the LGPLv3 or higher. from typing import TYPE_CHECKING, Set, Union, Optional from PyQt5.QtCore import QTimer from .PrinterOutputController import PrinterOutputController if TYPE_CHECKING: from .Models.PrintJobOutputModel import PrintJobOutputModel from .Models.PrinterOutputModel import PrinterOutputModel from .PrinterOutputDevice import PrinterOutputDevice from .Models.ExtruderOutputModel import ExtruderOutputModel class GenericOutputController(PrinterOutputController): def __init__(self, output_device: "PrinterOutputDevice") -> None: super().__init__(output_device) self._preheat_bed_timer = QTimer() self._preheat_bed_timer.setSingleShot(True) self._preheat_bed_timer.timeout.connect(self._onPreheatBedTimerFinished) self._preheat_printer = None # type: Optional[PrinterOutputModel] self._preheat_hotends_timer = QTimer() self._preheat_hotends_timer.setSingleShot(True) self._preheat_hotends_timer.timeout.connect(self._onPreheatHotendsTimerFinished) self._preheat_hotends = set() # type: Set[ExtruderOutputModel] self._output_device.printersChanged.connect(self._onPrintersChanged) self._active_printer = None # type: Optional[PrinterOutputModel] def _onPrintersChanged(self) -> None: if self._active_printer: self._active_printer.stateChanged.disconnect(self._onPrinterStateChanged) self._active_printer.targetBedTemperatureChanged.disconnect(self._onTargetBedTemperatureChanged) for extruder in self._active_printer.extruders: extruder.targetHotendTemperatureChanged.disconnect(self._onTargetHotendTemperatureChanged) self._active_printer = self._output_device.activePrinter if self._active_printer: self._active_printer.stateChanged.connect(self._onPrinterStateChanged) self._active_printer.targetBedTemperatureChanged.connect(self._onTargetBedTemperatureChanged) for extruder in self._active_printer.extruders: extruder.targetHotendTemperatureChanged.connect(self._onTargetHotendTemperatureChanged) def _onPrinterStateChanged(self) -> None: if self._active_printer and self._active_printer.state != "idle": if self._preheat_bed_timer.isActive(): self._preheat_bed_timer.stop() if self._preheat_printer: self._preheat_printer.updateIsPreheating(False) if self._preheat_hotends_timer.isActive(): self._preheat_hotends_timer.stop() for extruder in self._preheat_hotends: extruder.updateIsPreheating(False) self._preheat_hotends = set() def moveHead(self, printer: "PrinterOutputModel", x, y, z, speed) -> None: self._output_device.sendCommand("G91") self._output_device.sendCommand("G0 X%s Y%s Z%s F%s" % (x, y, z, speed)) self._output_device.sendCommand("G90") def homeHead(self, printer: "PrinterOutputModel") -> None: self._output_device.sendCommand("G28 X Y") def homeBed(self, printer: "PrinterOutputModel") -> None: self._output_device.sendCommand("G28 Z") def sendRawCommand(self, printer: "PrinterOutputModel", command: str) -> None: self._output_device.sendCommand(command.upper()) #Most printers only understand uppercase g-code commands. def setJobState(self, job: "PrintJobOutputModel", state: str) -> None: if state == "pause": self._output_device.pausePrint() job.updateState("paused") elif state == "print": self._output_device.resumePrint() job.updateState("printing") elif state == "abort": self._output_device.cancelPrint() pass def setTargetBedTemperature(self, printer: "PrinterOutputModel", temperature: float) -> None: self._output_device.sendCommand("M140 S%s" % round(temperature)) # The API doesn't allow floating point. def _onTargetBedTemperatureChanged(self) -> None: if self._preheat_bed_timer.isActive() and self._preheat_printer and self._preheat_printer.targetBedTemperature == 0: self._preheat_bed_timer.stop() self._preheat_printer.updateIsPreheating(False) def preheatBed(self, printer: "PrinterOutputModel", temperature, duration) -> None: try: temperature = round(temperature) # The API doesn't allow floating point. duration = round(duration) except ValueError: return # Got invalid values, can't pre-heat. self.setTargetBedTemperature(printer, temperature = temperature) self._preheat_bed_timer.setInterval(duration * 1000) self._preheat_bed_timer.start() self._preheat_printer = printer printer.updateIsPreheating(True) def cancelPreheatBed(self, printer: "PrinterOutputModel") -> None: self.setTargetBedTemperature(printer, temperature = 0) self._preheat_bed_timer.stop() printer.updateIsPreheating(False) def _onPreheatBedTimerFinished(self) -> None: if not self._preheat_printer: return self.setTargetBedTemperature(self._preheat_printer, 0) self._preheat_printer.updateIsPreheating(False) def setTargetHotendTemperature(self, printer: "PrinterOutputModel", position: int, temperature: Union[int, float]) -> None: self._output_device.sendCommand("M104 S%s T%s" % (temperature, position)) def _onTargetHotendTemperatureChanged(self) -> None: if not self._preheat_hotends_timer.isActive(): return if not self._active_printer: return for extruder in self._active_printer.extruders: if extruder in self._preheat_hotends and extruder.targetHotendTemperature == 0: extruder.updateIsPreheating(False) self._preheat_hotends.remove(extruder) if not self._preheat_hotends: self._preheat_hotends_timer.stop() def preheatHotend(self, extruder: "ExtruderOutputModel", temperature, duration) -> None: position = extruder.getPosition() number_of_extruders = len(extruder.getPrinter().extruders) if position >= number_of_extruders: return # Got invalid extruder nr, can't pre-heat. try: temperature = round(temperature) # The API doesn't allow floating point. duration = round(duration) except ValueError: return # Got invalid values, can't pre-heat. self.setTargetHotendTemperature(extruder.getPrinter(), position, temperature=temperature) self._preheat_hotends_timer.setInterval(duration * 1000) self._preheat_hotends_timer.start() self._preheat_hotends.add(extruder) extruder.updateIsPreheating(True) def cancelPreheatHotend(self, extruder: "ExtruderOutputModel") -> None: self.setTargetHotendTemperature(extruder.getPrinter(), extruder.getPosition(), temperature=0) if extruder in self._preheat_hotends: extruder.updateIsPreheating(False) self._preheat_hotends.remove(extruder) if not self._preheat_hotends and self._preheat_hotends_timer.isActive(): self._preheat_hotends_timer.stop() def _onPreheatHotendsTimerFinished(self) -> None: for extruder in self._preheat_hotends: self.setTargetHotendTemperature(extruder.getPrinter(), extruder.getPosition(), 0) self._preheat_hotends = set() # Cancel any ongoing preheating timers, without setting back the temperature to 0 # This can be used eg at the start of a print def stopPreheatTimers(self) -> None: if self._preheat_hotends_timer.isActive(): for extruder in self._preheat_hotends: extruder.updateIsPreheating(False) self._preheat_hotends = set() self._preheat_hotends_timer.stop() if self._preheat_bed_timer.isActive(): if self._preheat_printer: self._preheat_printer.updateIsPreheating(False) self._preheat_bed_timer.stop()