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Re: [rtl] lpt interrupt
Dear Cassidy,
The Instruction sequence is not true.
Change please such as below,
outb(0x1C,0x37a);
request_RTIrq(7,irqHandler);
Let's try.
<adolf@ratelindo.co.id>
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> ----------
> From: James Cassidy[SMTP:jcassidy@nova.genesoft.com]
> Sent: Thursday, June 11, 1998 1:33 AM
> To: rtl@rtlinux.cs.nmt.edu
> Subject: [rtl] lpt interrupt
>
>
> Has anyone tried using the lpt port interrupt (irq7) for testing
> rt-isr routines? I've done what I think are the proper incantations,
> but no interrupts are generated.
>
> request_RTirq( 7, irqHandler ); // install irq handler
> outb( 0x1c, 0x37a ); // enable int generation on lpt1
>
> But when I pull pin 10 low to generate an irq, the service routine
> never gets called. I do check that the request_RTirq doesn't return
> an error.
>
> I've checked the contents of /proc/interrupts. It never contains
> any record of irq 7's use when the rt module is installed. But I'm
> not certain that it will show up for rt type modules.
>
> Any ideas?
>
> Regards,
> Jim.
>
>
> --- [rtl] ---
> For more information on Real-Time Linux see:
> http://www.rtlinux.org/
>
--- [rtl] ---
For more information on Real-Time Linux see:
http://www.rtlinux.org/