Accessing serial port.

[Suhaib M. Siddiqi]

>
>
> I am porting my C codes from DJGPP to Cygwin. One of the modules has
> several lines which read and write to COM1. I rewrite the code using
> open ("/dev/com1"), read (....), write (....), etc. However, the code
> seems to hang. The exact same code works fine under Linux by replacing
> "/dev/com1" to "/dev/ttyS0".
>

This requires accessing the hardware through a proper device driver on
Windows.
It is not that easy
to change /dev/xxx to someting.  Check http://www.microsoft.com/hwdrv/ddk
for info about devices.  If it would have been so easy I would have finished
Xfree86 port a long time ago ;-)



> Could somebody please help me out.
> Thanks.
>
>
> Hans Dulimarta, Ph.D.    [dulimart@egr.msu.edu, dulimart@computer.org]
> Visiting Research Associate
> Department of Electrical & Computer Engineering         (517) 432-7589
> Michigan State University, East Lansing, Michigan 48824
>
>
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