Re: How to access correctly serial port inside module?

["Lars K.W. Gohlke" <lkwg82@gmx.de>]

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Lars K.W. Gohlke schrieb:
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> hallo,
>
> after searching the mailing list and searching the web, I still don't
> know how to access correctly the serial port (in user space known as
> /dev/ttyS01)
>
> This thread ends before the answer was given and the site redirecting
> too is restructured: http://marc.info/?l=kernelnewbies&m=98314502419089&w=2
>
> would somebody be so kind to give me an example:
>
> with this behaviour:
>
> 1. read from port
> 2. output via printk()
> 3. write to port
>
> I'm learning how to write modules:
>
> I've created already my own char-dev and used it in user-space.
> However I don't know really how to get information from kernel-code to
> solve this.
>
> thx in advance
>
> 14.05.2007 14:46
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would be somebody so polite and give me at least a hint?

Where to search concretely, or small template.

thx
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