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Date:      Mon, 14 Apr 1997 21:11:32 +0930 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        haas@willi.lion.de (Christoph Haas)
Cc:        msmith@atrad.adelaide.edu.au, haas@willi.lion.de, FreeBSD-chat@freebsd.org
Subject:   Re: weird cable
Message-ID:  <199704141141.VAA27032@genesis.atrad.adelaide.edu.au>
In-Reply-To: <Pine.SOL.3.96.970414131744.29999E-100000@willi> from Christoph Haas at "Apr 14, 97 01:18:50 pm"

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Christoph Haas stands accused of saying:
> On Mon, 14 Apr 1997, Michael Smith wrote:
> 
> > If you want to _interface_ it, then you are going to have to write your
> > own keyboard interface driver, and you will need a logic/RS-232 level
> > inverter.
> 
> So a SUN uses a simple RS232 interface to attach its keyboard ?

Yup, like many sensible workstation vendors, a real, async serial
protocol.  None of this clocked bidirectional two-wire sync crap 8)

I'm not sure what baudrate, as the Sparc driver just reads whatever
the firmware, but its 8 bits, no parity, one stop bit as far as I can
tell.

> > You should be able to get the basic keyboard protocol and keymap from
> > the NetBSD/Sparc keyboard driver.
> 
> Yeah, i'll look at it asap.

You'll want src/sys/arch/sparc/dev/kbd.c and zs.c, just FYI.

> 	Christoph

-- 
]] Mike Smith, Software Engineer        msmith@gsoft.com.au             [[
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