Re: Crystalfontz LCD display from kernel?
From: Daniel O'Connor (doconnor_at_gsoft.com.au)
Date: 09/23/04
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To: freebsd-hackers@freebsd.org Date: Thu, 23 Sep 2004 22:01:29 +0930
On Thu, 23 Sep 2004 04:18, Tim Pushor wrote:
> My question is, I would really like to be able to display various things
> during startup, shutdown, and once shutdown is complete to the LCD. I
> assume I would have to modify the kernel for this. I done lots of C
> programming, and hardware interface programming in C and assembler, but
> never any UNIX kernel programming.
>
> First of all, is this doable? Also, would it be easier (from the kernel
> programming perspective) to do this via USB or Serial?
Opening a device etc from the kernel would be moderatly painful..
It write a userland program which did it first and then port it.
-- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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