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Re: Serial port programming
- Subject: Re: Serial port programming
- From: Kim Poulsen <kpo@tbit.dk>
- Date: Mon, 23 Aug 1999 09:03:22 +0200
- CC: cygwin@sourceware.cygnus.com
- Organization: Ericsson Telebit A/S
- References: <37C0EAC4.63151D86@tbit.dk> <199908230653.IAA17307@mailhostnew.tbit.dk>
It would seem that I can open the files called /dev/com2, /dev/ttyS1,
and com2 but I cannot read or write (with fopen(..., "rw");) from the
file. Why might that be so? The program core dumps with an
STATUS_ACCESS_VIOLATION error on the fgetc() or fputc() command.
Baron Shatturday wrote:
> > I've got the following problem: I need to access the serial ports of
> >my PC through an ANSI C program. How do I do that ? I have already
> >tried using fopen("/dev/com2", "r")
> Have you tried using ("/dev/ttyS1", "r")?
> Just a thought...
--
Kim Poulsen, B.Sc.E.E, System Developer HW
Ericsson Telebit A/S Tel: + 45 86 28 81 76
Fabriksvej 11 Fax: + 45 86 28 81 86
DK-8260 Viby J E-mail: info@tbit.dk
Denmark URL: http://www.tbit.dk/
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