parallel port and IRQ...

[Nicolas FERRE <ferre@isem.tvt.fr>]

Phil Wilshire wrote:

> I think you'll find that the interrupt needs a low to high transition to trigger it.
> The switch works because it bounces.
>
> Try that and let me know if it works.

You are absolutly right.
I tryed a high to low signal because I saw on many docs that the /ACK
need this kind of signal to activate !? 

It works now, I attach the correct code...

Thanks a lot for your help and advice.

-- 
Nicolas FERRE
E-mail   : ferre@isem.tvt.fr <mailto:ferre@isem.tvt.fr>
--
IRTS (Integrated Real Time Systems)
Tel : 33 (0)4 94 20 78 00

parport_irq.tgz