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Date:      Thu, 04 Sep 1997 15:30:51 +0000
From:      =?iso-8859-1?Q?=DEor=F0ur?= Ivarsson <totii@est.is>
To:        hackers@freebsd.org
Subject:   How do I write device driver
Message-ID:  <340ED42B.41C67EA6@est.is>

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Can any of you help me with writing device driver for two cards i have
here on my desk.
I have all documents and API information for the cards.

One is AD converter 8input 12bit + 1 DA 12bit

and the other is digital IO card with 6 8bit ports and timer IO based
on two 8255 and one 8253

I heard of something like /dev/IO but I did not find any information
about
writing interface to it.

I am hacking labpc.c now and there seems to be some of the code I need.

What files in the kernel do I need to add into to get this working.


Thordur Ivarsson
totii@est.is



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