* [Xenomai-help] GPIO IRQ on AT91SAM9263
@ 2008-06-16 8:54 Paradoxxa
2008-06-16 12:16 ` Gilles Chanteperdrix
0 siblings, 1 reply; 2+ messages in thread
From: Paradoxxa @ 2008-06-16 8:54 UTC (permalink / raw)
To: xenomai
Hi,
i have a general question about interrupt handling on a at91sam9263
machine.
Is there a possibility to define a GPIO Pin to register a interrupt
handler and use
a interrupt service routine in the user space or should i use a RTDM modul.
Thomas
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Xenomai-help] GPIO IRQ on AT91SAM9263
2008-06-16 8:54 [Xenomai-help] GPIO IRQ on AT91SAM9263 Paradoxxa
@ 2008-06-16 12:16 ` Gilles Chanteperdrix
0 siblings, 0 replies; 2+ messages in thread
From: Gilles Chanteperdrix @ 2008-06-16 12:16 UTC (permalink / raw)
To: Paradoxxa; +Cc: xenomai
On Mon, Jun 16, 2008 at 10:54 AM, Paradoxxa <paradoxxa2001@domain.hid> wrote:
> Hi,
>
> i have a general question about interrupt handling on a at91sam9263
> machine.
> Is there a possibility to define a GPIO Pin to register a interrupt
> handler and use
> a interrupt service routine in the user space or should i use a RTDM modul.
The way GPIO irqs are mapped to irq numbers is platform dependent.
Aside of that, once you have got the IRQ number, GPIO irqs are
considered as normal IRQs by Xenomai.
--
Gilles
^ permalink raw reply [flat|nested] 2+ messages in thread
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2008-06-16 8:54 [Xenomai-help] GPIO IRQ on AT91SAM9263 Paradoxxa
2008-06-16 12:16 ` Gilles Chanteperdrix
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