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Added thread safety checks to close function

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This commit is contained in:
Jaime van Kessel 2015-04-17 10:55:37 +02:00
parent a07781fa26
commit d66faf6ecd
2 changed files with 12 additions and 9 deletions
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11
PrinterConnection.py
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@ -117,7 +117,6 @@ 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:
self.close()
hex_file = intelHex.readHex(file_name)
@ -219,9 +218,13 @@ class PrinterConnection(SignalEmitter):
## Close the printer connection
def close(self):
if self._connect_thread.isAlive():
self._connect_thread.join()
if self._serial is not None:
self._serial.close()
self.setIsConnected(False)
self._listen_thread.join()
self._serial.close()
self._serial = None
def isConnected(self):
@ -417,8 +420,8 @@ class PrinterConnection(SignalEmitter):
return None
try:
ret = self._serial.readline()
except:
Logger.log('e',"Unexpected error while reading serial port.")
except Exception as e:
Logger.log('e',"Unexpected error while reading serial port. %s" %e)
self._setErrorState("Printer has been disconnected")
#self._errorValue = getExceptionString()
self.close()

10
avr_isp/stk500v2.py
View file

@ -76,18 +76,18 @@ class Stk500v2(ispBase.IspBase):
recv = self.sendMessage([0x1D, 4, 4, 0, data[0], data[1], data[2], data[3]])
return recv[2:6]
def writeFlash(self, flashData):
def writeFlash(self, flash_data):
#Set load addr to 0, in case we have more then 64k flash we need to enable the address extension
pageSize = self.chip['pageSize'] * 2
flashSize = pageSize * self.chip['pageCount']
page_size = self.chip['pageSize'] * 2
flashSize = page_size * self.chip['pageCount']
if flashSize > 0xFFFF:
self.sendMessage([0x06, 0x80, 0x00, 0x00, 0x00])
else:
self.sendMessage([0x06, 0x00, 0x00, 0x00, 0x00])
loadCount = (len(flashData) + pageSize - 1) / pageSize
loadCount = (len(flash_data) + page_size - 1) / page_size
for i in range(0, loadCount):
recv = self.sendMessage([0x13, pageSize >> 8, pageSize & 0xFF, 0xc1, 0x0a, 0x40, 0x4c, 0x20, 0x00, 0x00] + flashData[(i * pageSize):(i * pageSize + pageSize)])
recv = self.sendMessage([0x13, page_size >> 8, page_size & 0xFF, 0xc1, 0x0a, 0x40, 0x4c, 0x20, 0x00, 0x00] + flash_data[(i * page_size):(i * page_size + page_size)])
if self.progressCallback is not None:
if self._has_checksum:
self.progressCallback(i + 1, loadCount)