RE: Interrupts on the Parallel port

From: KULECZ, WALTER (JSC-SD) (WLS) <"KULECZ,> · Date: Wed, 17 Jul 2002 14:39:51 -0500

Yes, but some older cards have jumpers and with a bit of solder can use the
IRQ you want.

--wally.

-----Original Message-----
From: David Schleef [mailto:ds_at_schleef.org]
Sent: Wednesday, July 17, 2002 2:34 PM
To: Tim Beamish
Cc: comedi_at_stm.lbl.gov
Subject: Re: Interrupts on the Parallel port

On Tue, Jul 16, 2002 at 06:29:00PM -0700, Tim Beamish wrote:
> I'm trying to cause an interrupt on the parallel port. I have a two
> channel encoder and I've attached one channel to pin 10 of the parallel
> port. I think this is the interrupt pin. I'm using RTLinux and I've loaded
> the comedi_parport driver into the kernel. I've configured the
> comedi_parport driver with the following line:
> 
> /usr/sbin/comedi_config /dev/comedi1 comedi_parport 0x0378,3
> 
> I picked IRQ 3 because it was empty.

You don't get to chose the IRQ.  PC Parallel ports are usually on
IRQ 7.

dave...

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