RasPi GPIO driver

[Alan Cudmore]

There is an RTEMS Rpi GPIO driver here:
https://github.com/pficheux/raspberry_pi/tree/master/RTEMS/gpio_driver
I have tested this, and it works.

Simon, I will definitely check out your driver when you submit it.

Alan

On 10/20/2013 5:57 PM, sarraciro wrote:
> 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.
> regards
>
> --
> RC
>   
> Il giorno dom, 20/10/2013 alle 21.32 +0000, williamssimonp at gmail.com ha
> scritto:
>> 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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>
>
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