From: Philippe Gerum <rpm@xenomai.org>
To: Mike McTernan <mmcternan@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] IRQ reservation and config
Date: Tue, 03 Feb 2009 18:46:50 +0100 [thread overview]
Message-ID: <4988830A.7070800@domain.hid> (raw)
In-Reply-To: <4B3F8896E1733D4787DDB0EA1C7FF91F6B58D5@domain.hid>
Mike McTernan wrote:
> Hi,
>
> I'm porting a simple driver to be under the Xenomai. RTDM The driver
> simply blocks on read calls until an interrupt arrives, and returns a
> count. This is on Blackfin uClinux.
>
> I think I've understood how to make the driver, the only thing I'm
> missing is how to reserve and configure the irq source.
>
> Should I be using the standard Linux request_irq() to do this in the
> RTDM prior to calling rtdm_irq_request()?
>
If you want your interrupt source to be controlled by the Xenomai core, i.e.
with real-time guarantees, then rtdm_irq_request() is what you want. I guess
this is why you need an RTDM driver anyway.
> Regards,
>
> Mike
>
> _______________________________________________
> Xenomai-help mailing list
> Xenomai-help@domain.hid
> https://mail.gna.org/listinfo/xenomai-help
>
--
Philippe.
next prev parent reply other threads:[~2009-02-03 17:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-03 17:40 [Xenomai-help] IRQ reservation and config Mike McTernan
2009-02-03 17:46 ` Philippe Gerum [this message]
2009-02-03 17:49 ` Mike McTernan
2009-02-05 15:54 ` Philippe Gerum
2009-02-05 16:10 ` Mike McTernan
2009-02-05 16:25 ` Philippe Gerum
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