RE: LPT

[Jordan]

Kirill,

Creating a new module is the easy part.  As a newbie myself, recently I
found this blog helpful: http://blog.fpmurphy.com/2010/06/grub2-modules.html
.

As far as writing C or assembly code to talk to the LPT port, there are
plenty of articles out there (like this one:
http://logix4u.net/Legacy_Ports/Parallel_Port/A_tutorial_on_Parallel_port_In
terfacing.html ) that show what I/O addresses are generally used for what.

Jordan Strub

-----Original Message-----
From: address@hidden
[mailto:address@hidden On Behalf Of Kirill
Kuprijanov
Sent: Tuesday, December 14, 2010 12:55 PM
To: address@hidden
Subject: LPT

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?

Thanks in advance,
Kirill


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