cvs commit: src/sys/i386/isa isa_compat.c isa_device.h

Bernd Walter ticso at
Sat Sep 6 06:03:04 PDT 2003

On Sat, Sep 06, 2003 at 01:23:20PM +0200, Poul-Henning Kamp wrote:
> In message <20030906110047.GD82301 at>, Bernd Walter writes:
> >On Fri, Sep 05, 2003 at 09:59:25AM -0700, Nate Lawson wrote:
> >> On Fri, 5 Sep 2003, M. Warner Losh wrote:
> >> > In case anyboy is interested, here are the current ISA_COMAT drivers:
> >> >
> >> > ./i386/isa/gpib.c:#ifndef COMPAT_OLDISA
> >> 
> >> This driver is useful for people running a scope from an old machine.  It
> >> really should be rewritten though and I don't have this card.
> >
> >I wasn't aware that we have a gpib driver - no manpage :(
> >I'm interested in having a working ieee488 layer, but I havn't one
> >of these cards either.
> >But I have a working HP7550A Plotter and an HP9133 of unknown
> >condition - the later is some kind of HDD/FDD combination without any
> >practical worth.
> >Will check if I can my hands on one of those cards.
> Do not bother.

The driver design does not fit in my wish list too.
At least I want a real bus abstraction.
It doesn't even support multiple channels it seems.

> _IF_ we want IEEE488 support, we want it so that it conforms to the
> industry-standard API and/or supporting SCPI.  The driver which is
> in the tree is neither and not even close in any respect.

Well I have no knowledge about the industry-standard API and SCPI.
And both specs cost money.
My knowledge about IEEE488 came from Commodore systems - don't know
how much their usage fits into industry-standard API - at least it
has nothing to do with SCPI.

> You are welcome to pick up and
> work from there.


B.Walter                   BWCT      
ticso at                                  info at

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