From: Hannes Mayer <h.mayer@domain.hid>
To: mani bhatti <imranbashirbhatti@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] user space interrupt
Date: Sat, 16 Dec 2006 18:10:12 +0100 [thread overview]
Message-ID: <45842874.6080103@domain.hid> (raw)
In-Reply-To: <279913.29791.qm@domain.hid>
mani bhatti wrote:
> Hi all
> i am trying to access parallel port form a user space task.i have copied
> code from an example which runs parallel port in interrupt mode but the
> problem is that when i run program i get following message
>
> "iopl err"
>
> due to this piece of code
>
> // ask for permission to access the parallel port from user-space
> if (iopl(3)) {
> printf("iopl err\n");
> exit(1);
> }
>
Have a look here:
http://www.captain.at/xenomai-parallel-port-interrupt.php
Ciao,
Hannes.
prev parent reply other threads:[~2006-12-16 17:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-08 14:01 [Xenomai-help] user space interrupt mani bhatti
2006-12-08 16:50 ` Gilles Chanteperdrix
2006-12-14 16:27 ` mani bhatti
2006-12-14 16:32 ` Gilles Chanteperdrix
2006-12-15 14:59 ` mani bhatti
2006-12-15 18:18 ` Gilles Chanteperdrix
2006-12-16 17:10 ` Hannes Mayer [this message]
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