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Re: LPT
From: |
Vladimir 'φ-coder/phcoder' Serbinenko |
Subject: |
Re: LPT |
Date: |
Tue, 14 Dec 2010 21:23:01 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.15) Gecko/20101030 Icedove/3.0.10 |
On 12/14/2010 08:54 PM, Kirill Kuprijanov wrote:
> Hello,
>
> I have a motherboard with LCD indicator attached to it's LPT port. I
> would like to make grub show some early splash screen on it. All the
> things regarding protocol and pin assignments are ok, as I already
> have a programm to show stuff on LCD from OS (Debian). So the question
> is "how to make a grub module that is capable of setting levels on LPT
> pins?" and a second one is "how to make use of it during bootup
> procedure?
>
Currently GRUB has no LPT driver whatsoever. You would need to write
one. I suggest having look in our tree at ns8250.c (serial driver),
hello.c (module usage). As for how to write LPT driver, old DOS
documentation is usually of assistance (nothing changed there).
> Thanks in advance,
> Kirill
>
>
> _______________________________________________
> Grub-devel mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/grub-devel
>
--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko
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Description: OpenPGP digital signature
- LPT, Kirill Kuprijanov, 2010/12/14
- Re: LPT,
Vladimir 'φ-coder/phcoder' Serbinenko <=
- RE: LPT, Jordan, 2010/12/14
- Re: LPT, Vladimir 'φ-coder/phcoder' Serbinenko, 2010/12/14