RasPi GPIO driver

sarraciro sarraciro at yahoo.it
Sun Oct 20 21:57:37 UTC 2013

Thank you Simon for your prompt reply... sure that I'm interested!
I'll wait for the patch! but also I'm trying to learn (understand!?!)
how to write  a simple driver for RTEMS... for other future use of a
custom drivers.

Il giorno dom, 20/10/2013 alle 21.32 +0000, williamssimonp at gmail.com ha
> I am testing one as we speak, if you’re interested.  Should be ready
> to submit the patch about mid-week.
> Regards
> Simon
> Sent from Windows Mail
> From: sarraciro
> Sent: ‎Sunday‎, ‎20‎ ‎October‎ ‎2013 ‎22‎:‎28
> To: rtems-users at rtems.org
> Hi all,
> I'm trying to write a simple driver to use raspberry pi gpio.
> I've found some examples for the POSIX approach (& I tried it with
> success) but I'm more interesting to pure C solution.
> I read the RTEMS's documentation but it's too general (for my
> know-how) ... and  I've read the BCM2835 datasheet for register
> addresses ...  I understood the relevance to use the pointers for
> access
> to the memory...but I'm stucking until now I don't understand how to
> move on...
> Any suggestions or lectures for understand how to complete the task? 
> thank you
> rc
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