From: "Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>
To: grub-devel@gnu.org
Subject: Re: LPT
Date: Tue, 14 Dec 2010 21:23:01 +0100 [thread overview]
Message-ID: <4D07D225.1040504@gmail.com> (raw)
In-Reply-To: <ie8i2h$rar$1@dough.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 1033 bytes --]
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
> Grub-devel@gnu.org
> http://lists.gnu.org/mailman/listinfo/grub-devel
>
--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 294 bytes --]
next prev parent reply other threads:[~2010-12-14 20:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-14 19:54 LPT Kirill Kuprijanov
2010-12-14 20:23 ` Vladimir 'φ-coder/phcoder' Serbinenko [this message]
2011-01-07 14:18 ` LPT Kirill Kuprijanov
2011-01-07 14:34 ` LPT Vladimir 'φ-coder/phcoder' Serbinenko
2010-12-14 23:06 ` LPT Jordan
2010-12-14 23:22 ` LPT Vladimir 'φ-coder/phcoder' Serbinenko
2011-02-10 18:57 ` LPT Kirill Kuprijanov
2011-02-10 21:47 ` LPT Vladimir 'φ-coder/phcoder' Serbinenko
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4D07D225.1040504@gmail.com \
--to=phcoder@gmail.com \
--cc=grub-devel@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).