On Fri, Aug 7, 2015 at 3:38 AM,  <[email protected]> wrote:
> I need
> to perform actions faster than that, so I'm actually looking for controlling
> the GPIO registers. But this can interfer with the linux system isn't it ?
> What's the proper way to do that ? Note that I can't use the PRU.

Why can't you use PRU? It's the resource on the BBB that was designed
for fast GPIO access.
Discounting it from the start reminds me of the old joke:
someone claims that they'd do ANYTHING to lose weight.... 'except diet
and exercise'.

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