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Add a retry when probing for printers on discovered ports. This is to accomodate for printers that needs a few seconds to initialize before they open the port.

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This commit is contained in:
Simon Lundell 2018-02-23 18:20:47 +01:00
parent b3f0292ce6
commit 5214ef3bde
1 changed files with 32 additions and 29 deletions
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3
plugins/USBPrinting/AutoDetectBaudJob.py
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@ -22,6 +22,7 @@ class AutoDetectBaudJob(Job):
def run(self): def run(self):
Logger.log("d", "Auto detect baud rate started.") Logger.log("d", "Auto detect baud rate started.")
timeout = 3 timeout = 3
tries = 2
programmer = Stk500v2() programmer = Stk500v2()
serial = None serial = None
@ -31,6 +32,7 @@ class AutoDetectBaudJob(Job):
except: except:
programmer.close() programmer.close()
for retry in range(tries):
for baud_rate in self._all_baud_rates: for baud_rate in self._all_baud_rates:
Logger.log("d", "Checking {serial} if baud rate {baud_rate} works".format(serial= self._serial_port, baud_rate = baud_rate)) Logger.log("d", "Checking {serial} if baud rate {baud_rate} works".format(serial= self._serial_port, baud_rate = baud_rate))
@ -63,4 +65,5 @@ class AutoDetectBaudJob(Job):
return return
serial.write(b"M105\n") serial.write(b"M105\n")
sleep(15) # Give the printer some time to init and try again.
self.setResult(None) # Unable to detect the correct baudrate. self.setResult(None) # Unable to detect the correct baudrate.