>Date: Tue, 22 Jul 1997 17:22:37 +0300
>From: Jukka Marin <jmarin@pyy.jmp.fi>
>
>I would like to write a simple device for NetBSD (1.2 at the moment).
>This device would be opened by a userland program.  It would read a
>few bytes of information from an I/O card and return them to the
>userland program.  It might also receive small commands from the userland
>program.
>
>Where can I look for examples?  Are LKM devices much more complex than
>the "normal" ones?  What if the device needs so CPU attention every now
>and then - can I hook it to some clock interrupt to get some minor tasks
>done?

Probably one good place to look would be the i386 busmouse drivers
(lms.c, mms.c, pms.c).  They don't do much more than that.
-- 
Mike Long <mikel@shore.net>                http://www.shore.net/~mikel
"Every normal man must be tempted at times to spit on his hands,
hoist the black flag, and begin slitting throats." -- H.L. Mencken