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More informative errors when serial connection fails

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This commit is contained in:
Gina Häußge 2015-06-24 08:55:27 +02:00
parent be423e49fd
commit fca8becb20
1 changed files with 11 additions and 5 deletions
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16
src/octoprint/util/comm.py
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@ -1241,10 +1241,10 @@ class MachineCom(object):
self._changeState(self.STATE_DETECT_SERIAL)
serial_obj = self._detectPort(True)
if serial_obj is None:
self._log("Failed to autodetect serial port")
self._errorValue = 'Failed to autodetect serial port.'
self._errorValue = 'Failed to autodetect serial port, please set it manually.'
self._changeState(self.STATE_ERROR)
eventManager().fire(Events.ERROR, {"error": self.getErrorString()})
self._log("Failed to autodetect serial port, please set it manually.")
return None
port = serial_obj.port
@ -1266,11 +1266,17 @@ class MachineCom(object):
for name, factory in serial_factories:
try:
serial_obj = factory(self, self._port, self._baudrate, settings().getFloat(["serial", "timeout", "connection"]))
except Exception:
self._log("Unexpected error while connecting to serial port: %s %s (hook %s)" % (self._port, get_exception_string(), name))
self._errorValue = "Failed to open serial port, permissions correct?"
except:
exception_string = get_exception_string()
self._errorValue = "Connection error, see Terminal tab"
self._changeState(self.STATE_ERROR)
eventManager().fire(Events.ERROR, {"error": self.getErrorString()})
self._log("Unexpected error while connecting to serial port: %s %s (hook %s)" % (self._port, exception_string, name))
if "failed to set custom baud rate" in exception_string.lower():
self._log("Your installation does not support custom baudrates (e.g. 250000) for connecting to your printer. This is a problem of the pyserial library that OctoPrint depends on. Please update to a pyserial version that supports your baudrate or switch your printer's firmware to a standard baudrate (e.g. 115200). See https://github.com/foosel/OctoPrint/wiki/OctoPrint-support-for-250000-baud-rate-on-Raspbian")
return False
if serial_obj is not None: