On 12/12/2012 07:54 AM, Michael Haberler wrote:
> not strictly a Xenomai issue, but I'd completely bypass the kernel
> GPIO support and manipulate the GPIO registers directly - they are
> all memory mapped
>
> some inspiration here:
> http://git.mah.priv.at/gitweb/emc2-dev.git/blob/refs/heads/rtos-integration-preview1:/src/hal/drivers/hal_gpio.c
>
> this runs from a userland thread but kernel shouldnt be much
> different
Yeah, good idea, depending on the way to access registers, you get
concurrence issues, conflicts between applications, a lot of fun.
--
Gilles.
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