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[FIX] hw_escpos: increase timeout for slow matrix printers 

Some printers (e.g. matrix/impact printers) may have a hard time
keeping up with the text output, and may trigger timeout errors
because of this, even though they would otherwise produce a correct
result.

Increasing the default timeout to 5s (from the default 1s) should
take care of most slow printers out there.
This commit is contained in:
Olivier Dony 2016-11-23 16:14:24 +01:00
parent af381bf7ec
commit f431cee99a
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GPG Key ID: CD556E25E8A6D0D4
1 changed files with 1 additions and 1 deletions
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addons/hw_escpos/escpos/printer.py
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@ -82,7 +82,7 @@ class Usb(Escpos):
def _raw(self, msg):
""" Print any command sent in raw format """
if len(msg) != self.device.write(self.out_ep, msg, self.interface):
if len(msg) != self.device.write(self.out_ep, msg, self.interface, timeout=5000):
self.device.write(self.out_ep, self.errorText, self.interface)
raise TicketNotPrinted()