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Fix case where Cura and the firmware could be waiting for eachother

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fieldOfView 2018-10-19 14:37:20 +02:00
parent 777470db7f
commit 71d365c0c6
1 changed files with 11 additions and 3 deletions
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12
plugins/USBPrinting/USBPrinterOutputDevice.py
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@ -267,13 +267,21 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
if b"FIRMWARE_NAME:" in line:
self._setFirmwareName(line)
if line.startswith(b"ok "):
if line == b"":
# An empty line means that the firmware is idle
# Multiple empty lines probably means that the firmware and Cura are waiting
# for eachother due to a missed "ok", so we keep track of empty lines
self._firmware_idle_count += 1
else:
self._firmware_idle_count = 0
if line.startswith(b"ok") or self._firmware_idle_count > 1:
self._printer_busy = False
self._command_received.set()
if not self._command_queue.empty():
self._sendCommand(self._command_queue.get())
if self._is_printing:
elif self._is_printing:
if self._paused:
pass # Nothing to do!
else: