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Bugfixes to usb printing

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This commit is contained in:
Jaime van Kessel 2015-04-17 10:40:44 +02:00
parent 34aac653b4
commit a07781fa26
4 changed files with 11 additions and 8 deletions
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9
PrinterConnection.py
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@ -117,9 +117,9 @@ class PrinterConnection(SignalEmitter):
self._connect_thread.start()
def updateFirmware(self, file_name):
print("Update firmware; " , self._is_connecting, " ", self._is_connected )
if self._is_connecting or self._is_connected:
return False
self.close()
hex_file = intelHex.readHex(file_name)
if len(hex_file) == 0:
Logger.log('e', "Unable to read provided hex file. Could not update firmware")
@ -136,7 +136,7 @@ class PrinterConnection(SignalEmitter):
programmer.programChip(hex_file)
self._updating_firmware = False
except Exception as e:
Logger.log("e", "Exception while trying to update firmware" , e)
Logger.log("e", "Exception while trying to update firmware %s" %e)
self._updating_firmware = False
return False
programmer.close()
@ -173,6 +173,9 @@ class PrinterConnection(SignalEmitter):
self._sendCommand("M105") #Request temperature, as this should (if baudrate is correct) result in a command with 'T:' in it
while timeout_time > time.time():
line = self._readline()
if line is None:
self.setIsConnected(False) # something went wrong with reading, could be that close was called.
return
if b"T:" in line:
self._serial.timeout = 0.5
self._serial.write(b"\n")