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X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Mon, 12 May 2003 09:54:36 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: =?iso-8859-1?Q?=D8yvind_Harboe?= <oyvind DOT harboe AT zylin DOT com>
cc: cygwin AT cygwin DOT com
Subject: Re: Sending files over the serial port
In-Reply-To: <000401c31878$432d24c0$73dea8c0@lair>
Message-ID: <Pine.GSO.4.44.0305120952430.393-100000@slinky.cs.nyu.edu>
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On Mon, 12 May 2003, Øyvind Harboe wrote:

> I'm trying to send files over the serial port using xmodem, ymodem
> and zmodem.
>
> The idea was to use lsz from http://www.ohse.de/uwe/software/lrzsz.html
>
> - I'm having trouble configuring the serial port to e.g. 38400, 8
> bits, no parity, no handshake, 1 stop bit.
>
> I believe stty can be used to configure the serial port:
>
> $ stty -F com1 38400
> stty: com1: unable to perform all requested operations
>
>
> - For now I've set CYGWIN=reset_com, locking the serial configuration
> to 9600-8-n-1.
>
>
> However, when I try to run upload a file via zmodem, it appears as if
> the line below does not successfully redirect stdin/stdout to com1. The
> command returns immediately, as if reading from the serial port does
> not block.
>
>
> $ lsz --zmodem foobar.zip >com1 0<&1
> Retry 0: Timeout on pathname
>
> Transfer incomplete
>
>
>
> Any help would be greatly appreciated!
>
> Øyvind Harboe

Øyvind,

"com1" is a Windows name, and doesn't get affected by Cygwin's stty et al
(AFAIK).  Try using /dev/ttyS0 or even /dev/com1 instead.

Also, why such weird syntax, why not simply

$ lsz --zmodem foobar.zip </dev/com1

?
	Igor
-- 
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     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

Knowledge is an unending adventure at the edge of uncertainty.
  -- Leto II


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