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Added thread safety checks to close function
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parent
a07781fa26
commit
d66faf6ecd
2 changed files with 12 additions and 9 deletions
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@ -117,7 +117,6 @@ class PrinterConnection(SignalEmitter):
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self._connect_thread.start()
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def updateFirmware(self, file_name):
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print("Update firmware; " , self._is_connecting, " ", self._is_connected )
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if self._is_connecting or self._is_connected:
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self.close()
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hex_file = intelHex.readHex(file_name)
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@ -219,9 +218,13 @@ class PrinterConnection(SignalEmitter):
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## Close the printer connection
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def close(self):
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if self._connect_thread.isAlive():
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self._connect_thread.join()
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if self._serial is not None:
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self._serial.close()
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self.setIsConnected(False)
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self._listen_thread.join()
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self._serial.close()
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self._serial = None
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def isConnected(self):
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@ -417,8 +420,8 @@ class PrinterConnection(SignalEmitter):
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return None
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try:
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ret = self._serial.readline()
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except:
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Logger.log('e',"Unexpected error while reading serial port.")
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except Exception as e:
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Logger.log('e',"Unexpected error while reading serial port. %s" %e)
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self._setErrorState("Printer has been disconnected")
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#self._errorValue = getExceptionString()
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self.close()
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@ -76,18 +76,18 @@ class Stk500v2(ispBase.IspBase):
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recv = self.sendMessage([0x1D, 4, 4, 0, data[0], data[1], data[2], data[3]])
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return recv[2:6]
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def writeFlash(self, flashData):
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def writeFlash(self, flash_data):
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#Set load addr to 0, in case we have more then 64k flash we need to enable the address extension
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pageSize = self.chip['pageSize'] * 2
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flashSize = pageSize * self.chip['pageCount']
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page_size = self.chip['pageSize'] * 2
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flashSize = page_size * self.chip['pageCount']
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if flashSize > 0xFFFF:
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self.sendMessage([0x06, 0x80, 0x00, 0x00, 0x00])
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else:
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self.sendMessage([0x06, 0x00, 0x00, 0x00, 0x00])
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loadCount = (len(flashData) + pageSize - 1) / pageSize
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loadCount = (len(flash_data) + page_size - 1) / page_size
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for i in range(0, loadCount):
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recv = self.sendMessage([0x13, pageSize >> 8, pageSize & 0xFF, 0xc1, 0x0a, 0x40, 0x4c, 0x20, 0x00, 0x00] + flashData[(i * pageSize):(i * pageSize + pageSize)])
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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)])
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if self.progressCallback is not None:
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if self._has_checksum:
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self.progressCallback(i + 1, loadCount)
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