# 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 PyQt6.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()