On Wed, 2007-06-13 at 02:04 +0200, Bernhard Kuhn wrote: > Peter Feuerer wrote: > > > is it possible to catch e.g. the interrupt of the Parallelport (IRQ7 in > > my case) in userspace with a RT-Rreempt patched kernel? > > A very simple solution would be to create a small kernel device driver > that implements a blocking read function that always gets woken up > by the parport interrupt service routine, then sending one dummy byte. That would be a very fast and easy to implement solution, but then I have to touch the kernel again. I wanted not to do that. > But i guess a better variant would be to adopt the IIO framework > for your purpose (http://lkml.org/lkml/2006/8/30/22) Great, seems like that's what I'm searching for. I will have a deeper look into this. Because if this is going to be in the mainline kernel, I don't have to touch the kernel at all. Thanks. regards, --peter - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
