Esempio n. 1
0
 def close(self):
     """Close port"""
     if self._isOpen:
         if self.hComPort:
             # Restore original timeout values:
             win32.SetCommTimeouts(self.hComPort, self._orgTimeouts)
             # Close COM-Port:
             win32.CloseHandle(self.hComPort)
             win32.CloseHandle(self._overlappedRead.hEvent)
             win32.CloseHandle(self._overlappedWrite.hEvent)
             self.hComPort = None
         self._isOpen = False
Esempio n. 2
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 def _close(self):
     """internal close port helper"""
     if self.hComPort:
         # Restore original timeout values:
         win32.SetCommTimeouts(self.hComPort, self._orgTimeouts)
         # Close COM-Port:
         win32.CloseHandle(self.hComPort)
         if self._overlappedRead is not None:
             win32.CloseHandle(self._overlappedRead.hEvent)
             self._overlappedRead = None
         if self._overlappedWrite is not None:
             win32.CloseHandle(self._overlappedWrite.hEvent)
             self._overlappedWrite = None
         self.hComPort = None
Esempio n. 3
0
 def _close(self):
     """internal close port helper"""
     if self._port_handle is not None:
         # Restore original timeout values:
         win32.SetCommTimeouts(self._port_handle, self._orgTimeouts)
         if self._overlapped_read is not None:
             self.cancel_read()
             win32.CloseHandle(self._overlapped_read.hEvent)
             self._overlapped_read = None
         if self._overlapped_write is not None:
             self.cancel_write()
             win32.CloseHandle(self._overlapped_write.hEvent)
             self._overlapped_write = None
         win32.CloseHandle(self._port_handle)
         self._port_handle = None