Subject: LEDs, LCDs and so on (was Re: More SPARCbook insanity )
To: Sean Davis <firstname.lastname@example.org>
From: Michael <email@example.com>
Date: 04/16/2005 17:47:56
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> > > - the LCD now shows the proper symbol when a PCMCIA card is present
> > Hmm, speaking of the LCD - I wonder if we can (ab)use it to show some k=
ernel stuff - like CPU usage, panic messages and such.
> > ( well, I know we /can/ - the question is more about if we /should/ )
> I'd like to have the ability, at least. Perhaps some sort of sysctl
> knob could be devised for that purpose? It'd be neat to have it do a
> super-abbreviated top(1) and show something like "21 pids, 4MB free"
Nice idea, I'll have a look what information is easily available.
> What I'd like to see it do is show a spinning / in the LCD when
> loading NetBSD like Solaris does :-)
When /loading/ NetBSD - then you'd have to hack the 2nd stage boot loader.
> (I have yet to figure out why I like those spinning bars so much,
> but... oh well :)
It's useful :)
Hmm, we'd have to come up with a generic interface to CPU-controlled LCDs, =
LEDs and do on found on various hardware - we don't want anything Tadpole-s=
pecific in - say - sd...
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