Re: Anybody using gp driver?

From: Poul-Henning Kamp (phk_at_phk.freebsd.dk)
Date: 11/28/03

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    To: Gerrit Kühn <gerrit@pmp.uni-hannover.de>
Date: Fri, 28 Nov 2003 21:57:40 +0100

    In message <20031128205244.GA40124@pmp.uni-hannover.de>, Gerrit =?iso-8859-1?Q?
    K=FChn?= writes:
    >On Fri, Nov 28, 2003 at 06:31:27PM +0100, Poul-Henning Kamp wrote:
    >
    >> >I might have guessed it.
    >> >Is there anything around FreeBSD you're not working with or on? ;-)
    >
    >> sound cards :-)
    >
    >Hey, you can quite easily make oscilloscopes from them... :)

    Not for the speeds I need :-)

    >> >Perhaps I'll be able to have a look at it next week. Which gpib chipsets
    >> >does it support (apart from NI, which seems to be some kind of standard)?
    >
    >> The idea was to have the generic NI API and per-chip driver code. I
    >
    >So you already implemented the complete NI command set?!

    Not quite but a lot of it yes. The NI command set seems to be simply
    wrapper functions of the 7210 chip anyway...

    >Hm, my PCI card (made by INES) uses afaicr a NEC chip, too (can't remember
    >the number now). Did you ever try to ask Frank Mori Hess or one of the
    >other guys who are maintaining the Linux gpib driver about datasheets?
    >Should be strange if no-one has them...

    I've never spent much time on it, I found some data sheets on some
    newer chips which were 7210 compatible and went from there.

    >> Sure it is, but only if there is sufficient hacker momentum will it
    >> gain the ability and retain the ability. GPIB has been discussed about
    >> once per year for the last 5 year and we've gotten nowhere further
    >> for that...
    >
    >Ok, I see. Linux seems to have suffered a similar problem for some time.
    >Actually it's quite a pity - gpib is really useful stuff to have in a lab.
    >Well, my hacking skills are rather poor and my time is somewhat limited;
    >otherwise I would already have put more effort into this.

    And here we go again :-)

    As much as I'd personally love to have GPIB in FreeBSD, I just don't
    see it having enough mindshare and marketshare to happen.

    I'd love to be proven wrong... 

    -- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
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