linux-kernel - Re: tty line discipline driver advice sought, to do a 1-byte header and 2-byte CRC checksum on GSM data

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Message-ID: <Pine.LNX.4.60.0611251715130.4069@poirot.grange>
Date:	Sat, 25 Nov 2006 17:20:06 +0100 (CET)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Luke Kenneth Casson Leighton <lkcl@...l.net>
cc:	linux-kernel@...r.kernel.org, kernel-discuss@...dhelds.org
Subject: Re: tty line discipline driver advice sought, to do a 1-byte header
 and 2-byte CRC checksum on GSM data

(removed arm-linux because I am not subscribed to it from this address, 
don't know about hh)

On Sat, 25 Nov 2006, Luke Kenneth Casson Leighton wrote:

> and having read harald's email, and basically gone 'cool!', and, having
> then looked up 'tty line discipline' on google (_before_ writing
> this...) and gone 'errr...' i was wondering:
> 
> could someone kindly advise me how to write a tty line discipline
> driver?

Well, this is what I came up with when I googled for it:

http://www.eros-os.org/design-notes/LineDiscDesign.html
http://www.linux.it/~rubini/docs/serial/serial.html
http://lwn.net/Articles/87662/

That's all I can help you with - didn't actually write any ldisc as it 
wasn't the right solution for my problem.

HTH
Guennadi
---
Guennadi Liakhovetski
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