I am setting up Python on a newly upgraded computer (AMD 64 X2 dual
core) running 32 bit XP home. I installed the following packages:
Python 2.5.2 from python-2.5.2.msi
PySerial from pyserial-2.2win32.exe
Python extensions for windows from pywin32-210.win32-py2.5.exe
Running a test of my program (feserial.py) I get the following error:
Traceback (most recent call last):
File "C:\Python25\Lib\site-packages\feserial.py", line 166, in <module>
port_numbers = portList()
File "C:\Python25\Lib\site-packages\feserial.py", line 22, in portList
s = FEserial(i)
File "C:\Python25\Lib\site-packages\serial\serialutil.py", line 156,
in __init__
self.open()
File "C:\Python25\Lib\site-packages\serial\serialwin32.py", line 57,
in open
win32file.SetupComm(self.hComPort, 4096, 4096)
error: (1, 'SetupComm', 'Incorrect function.')
Lines 56-57 in serialwin32.py are:
# Setup a 4k buffer
win32file.SetupComm(self.hComPort, 4096, 4096)
This works just fine on my laptop computer, which was set up some time
ago and has a slightly older version of Python.
So, why am I getting this error? I don't think PySerial has changed in a
long time, but was there some recent change in pywin32? Some change in
Python 2.5.2 that would account for this error? Something in the
installation that I haven't properly done?
Thanks for the help!
-- Ron
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