Re: ppbus (bi-directional parallel port) for i386?

[tlaronde%polynum.com@localhost]

On Thu, Feb 28, 2013 at 05:34:08AM +0100, Hans Rosenfeld wrote:
> On Thu, Feb 28, 2013 at 01:04:39AM +0100, tlaronde%polynum.com@localhost 
> wrote:
> > Hello,
> > 
> > On my NetBSD 5.1.2/i386 system, there are man pages for ppbus. But from
> > grep'ing the sources, it seems the support is only included (optionally)
> > for acorn32. There is a conditional in 
> > sys/arch/i386/pnpbios/files.pnpbios for "!ppbus" and that's all.
> > 
> > Is there no support except in acorn32?
> 
> I used it successfully on i386, using a custom kernel. You have to
> remove or comment out all lpt devices and then add the stuff from the
> manpage.
> 

Thanks for the tip! I will try.

> > (FWIW, the reason is to try to get status information from the printer
> > via HP PJL for a parallel port printer, and this needs bi-directional 
> > parallel port support.)
> 
> I don't know how well this works. I only used it to get gpio(4) access
> to the parallel port pins.

This is at the present not crucial, so it will not be a problem if that
does not work. But I want to know how far one can go this way.

Best,
-- 
        Thierry Laronde <tlaronde +AT+ polynum +dot+ com>
                      http://www.kergis.com/
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