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Mail Archives: cygwin/2005/05/31/10:50:55

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Message-ID: <429C7923.2090507@ieee.org>
Date: Tue, 31 May 2005 15:48:03 +0100
From: Jason Pearce <jason DOT pearce AT ieee DOT org>
User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206)
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To: cygwin AT cygwin DOT com
Subject: Re: Using Perl to access serial ports
References: <429C1E0A DOT 3050503 AT ieee DOT org> <Pine DOT GSO DOT 4 DOT 61 DOT 0505310955190 DOT 24415 AT slinky DOT cs DOT nyu DOT edu>
In-Reply-To: <Pine.GSO.4.61.0505310955190.24415@slinky.cs.nyu.edu>

Igor Pechtchanski wrote:

>Just FYI: /dev/ttyS* devices are numbered from 0, so /dev/com1 corresponds
>to /dev/ttyS0...  Also, if you have a sequence of shell commands that
>should work but don't (e.g., stty followed by echo followed by read/cat),
>could you please post them, along with an equivalent program (whether perl
>or C) that does work?
>	Igor
>  
>
Ahh. That explains why /dev/com3 did nothing but /dev/ttyS3 gave me 
permission denied (I have an internal modem on COM3, but no COM4 port). 
I'll have another go at using the /dev method again then and let you 
know what I find.

Jason






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