Sending files over the serial port

[Igor Pechtchanski]

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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