Parall port printers

Jon Smirl jonsmirl at gmail.com
Sun Aug 7 06:20:52 PDT 2005


On 8/7/05, Michel Brabants <michel.linux at tiscali.be> wrote:
> Op woensdag 03 augustus 2005 05:58, schreef Jon Smirl:
> > It appears that the parallel port driver is not yet sysfs aware. My
> > I2C buses and watch dog timer are available in sysfs.
> >
> > On 8/2/05, John (J5) Palmieri <johnp at redhat.com> wrote:
> > > On Tue, 2005-08-02 at 23:40 -0400, Jon Smirl wrote:
> > > > Shouldn't my printer show up in HAL? It is on the parallel port and it
> > > > properly configured to print.
> > >
> > > Parallel ports can't generate events and polling it could be bad.  There
> > > was talk some time ago about adding support for this though.
> > >
> > > --
> > > John (J5) Palmieri <johnp at redhat.com>
> 
> Heya,
> 
> I don't know much about this. I just know I have the mm-kernel installed with
> support for ECP. ALthough I'm not sure it works well (it generates
> fifo-full-errors or something and mayeb uses epp then ... not sure), I
> believe ECP generates events. I don't know if it generates events on
> plugin ...

It should be possible to make this work, it is just that no one has
written the code. The major thing missing is sysfs support for the
parallel port.

-- 
Jon Smirl
jonsmirl at gmail.com
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