Using SioModule.zip under Win32

[Roger Burnham]

On Tue, 13 Apr 1999 19:37:33 GMT, jwinkelman at my-dejanews.com wrote:

>I have downloaded the SIO-151.ZIP to do some serial IO under Win32.
>
>Does anyone know if it can handle port numbers higher than COM9?
>
>I tried modifying the dictionary in the serial.py file to add constants for
>COM10, etc., but when I load the module, I get a NameError for COM10.
>
>Being new to python, I'm not sure where to go from here.
>
>Any help is appreciated.
>

The DLL that Sio wraps, from

   MarshallSoft Computing, Inc.
   POB 4543 Huntsville AL 35815. 205-881-4630.
   Email: mike at marshallsoft.com
   www.marshallsoft.com

only defines constants up to COM9, but they are simple integers.

No idea if it will break anything in the WSC32.dll, but you could try:

PythonWin 1.5.2b2 (#0, Mar  4 1999, 16:07:53) [MSC 32 bit (Intel)] on win32
Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam
Portions Copyright 1994-1999 Mark Hammond (MHammond at skippinet.com.au)
>>> import Serial
>>> cfg = Serial.PortDict()
>>> cfg._dict['port'] = 9 # should be COM10...
>>> fd = Serial.Port(cfg)
>>> fd.open()
Traceback (innermost last):
  File "<interactive input>", line 0, in ?
  File "Serial.py", line 343, in open
    self._chkSioExec(SioReset, (port, self._bufSize,self.cfg['txBufSize']))
  File "Serial.py", line 326, in _chkSioExec
    raise SioError, '%s: %s' % (func.__name__, SioErrorText(status))
SioError: SioReset: No such port
>>> 


Roger Burnham   
Cambridge Research & Instrumentation   
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