mirror of
https://github.com/Ultimaker/Cura.git
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121 lines
4.4 KiB
Python
121 lines
4.4 KiB
Python
# Copyright (c) 2018 Ultimaker B.V.
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# Cura is released under the terms of the LGPLv3 or higher.
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from PyQt5.QtCore import QObject, QUrl, pyqtSignal, pyqtProperty
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from cura.PrinterOutputDevice import PrinterOutputDevice
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from .avr_isp import stk500v2, intelHex
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from enum import IntEnum
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class AvrFirmwareUpdater(QObject):
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firmwareProgressChanged = pyqtSignal()
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firmwareUpdateStateChanged = pyqtSignal()
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def __init__(self, output_device: PrinterOutputDevice) -> None:
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self._output_device = output_device
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self._update_firmware_thread = Thread(target=self._updateFirmware, daemon = True)
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self._firmware_view = None
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self._firmware_location = None
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self._firmware_progress = 0
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self._firmware_update_state = FirmwareUpdateState.idle
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def updateFirmware(self, file):
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# the file path could be url-encoded.
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if file.startswith("file://"):
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self._firmware_location = QUrl(file).toLocalFile()
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else:
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self._firmware_location = file
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self.showFirmwareInterface()
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self.setFirmwareUpdateState(FirmwareUpdateState.updating)
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self._update_firmware_thread.start()
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def _updateFirmware(self):
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# Ensure that other connections are closed.
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if self._connection_state != ConnectionState.closed:
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self.close()
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try:
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hex_file = intelHex.readHex(self._firmware_location)
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assert len(hex_file) > 0
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except (FileNotFoundError, AssertionError):
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Logger.log("e", "Unable to read provided hex file. Could not update firmware.")
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self.setFirmwareUpdateState(FirmwareUpdateState.firmware_not_found_error)
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return
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programmer = stk500v2.Stk500v2()
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programmer.progress_callback = self._onFirmwareProgress
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try:
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programmer.connect(self._serial_port)
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except:
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programmer.close()
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Logger.logException("e", "Failed to update firmware")
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self.setFirmwareUpdateState(FirmwareUpdateState.communication_error)
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return
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# Give programmer some time to connect. Might need more in some cases, but this worked in all tested cases.
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sleep(1)
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if not programmer.isConnected():
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Logger.log("e", "Unable to connect with serial. Could not update firmware")
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self.setFirmwareUpdateState(FirmwareUpdateState.communication_error)
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try:
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programmer.programChip(hex_file)
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except SerialException:
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self.setFirmwareUpdateState(FirmwareUpdateState.io_error)
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return
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except:
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self.setFirmwareUpdateState(FirmwareUpdateState.unknown_error)
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return
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programmer.close()
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# Clean up for next attempt.
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self._update_firmware_thread = Thread(target=self._updateFirmware, daemon=True)
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self._firmware_location = ""
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self._onFirmwareProgress(100)
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self.setFirmwareUpdateState(FirmwareUpdateState.completed)
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# Try to re-connect with the machine again, which must be done on the Qt thread, so we use call later.
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CuraApplication.getInstance().callLater(self.connect)
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## Show firmware interface.
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# This will create the view if its not already created.
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def showFirmwareInterface(self):
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if self._firmware_view is None:
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path = os.path.join(PluginRegistry.getInstance().getPluginPath("USBPrinting"), "FirmwareUpdateWindow.qml")
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self._firmware_view = CuraApplication.getInstance().createQmlComponent(path, {"manager": self})
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self._firmware_view.show()
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@pyqtProperty(float, notify = firmwareProgressChanged)
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def firmwareProgress(self):
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return self._firmware_progress
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@pyqtProperty(int, notify=firmwareUpdateStateChanged)
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def firmwareUpdateState(self):
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return self._firmware_update_state
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def setFirmwareUpdateState(self, state):
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if self._firmware_update_state != state:
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self._firmware_update_state = state
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self.firmwareUpdateStateChanged.emit()
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# Callback function for firmware update progress.
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def _onFirmwareProgress(self, progress, max_progress = 100):
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self._firmware_progress = (progress / max_progress) * 100 # Convert to scale of 0-100
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self.firmwareProgressChanged.emit()
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class FirmwareUpdateState(IntEnum):
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idle = 0
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updating = 1
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completed = 2
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unknown_error = 3
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communication_error = 4
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io_error = 5
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firmware_not_found_error = 6
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