[PD] Raspberry Pi GPIO from PureData?

[Julian Brooks]

My understanding is that [gpio] is based on wiringPi
https://projects.drogon.net/raspberry-pi/wiringpi/
My understanding also is that wiringPi is the best of the bunch (in C, most
direct access to the various pins, well written, most widely made use of,
etc.)
There's a couple of nice utilities in wiringPi that could be extra objects
for a PiLib, including a nice gpio swiss-army-knife type thing as well as
i2c control.

If anyone's got the skills and some time (I don't have either currently) it
could be a really useful addition for Pi and Pd.

All the best,

Julian


On 15 May 2013 16:06, Ali Momeni <batchku at gmail.com> wrote:

> Hello all,
> I came across Miller's gpio external and have been able to use it
> successfully.
> I'm now wondering what it would take to implement i2c control from within
> Pd also, in order to work with accessories/breakouts like:
> -4 x ADC over i2c: https://www.adafruit.com/products/1085
> -16 x servo/pwm over i2c: http://www.adafruit.com/products/815
>
> ladyada provides the necessary software and hardware...
>
> have anyone given this some thought?
>
> ali
>
>
> On Wed, May 15, 2013 at 4:17 AM, J Oliver <jaime.oliver2 at gmail.com> wrote:
>
>>  Ooops, didn't realize it was off list, back in.
>>
>> J
>>
>>
>>
>> On May 15, 2013, at 3:02 AM, Julian Brooks wrote:
>>
>> Hey Jaime,
>>
>> My plan is to document the process when the piece is finished (hopefully
>> within a week or so) and bundle the documentation with an image of the
>> raspbian RPi OS - more than likely up on archive.org.
>>
>> I'll definitely let you know when it's done.
>>
>> BTW - Martin's not in on this thread (is now)
>>
>> Cheers,
>>
>> Julian
>>
>>
>> On 15 May 2013 06:17, J Oliver <jaime.oliver2 at gmail.com> wrote:
>>
>>>  Indeed the help patch is in that thread and I attach it here as well.
>>> the source is here:
>>> http://crca.ucsd.edu/~msp/syllabi/206.13w/pi-externs.tgz
>>>
>>> Martin, Julian, do you plan to do some documentation / tutorial of the
>>> work you're doing?
>>> I haven't followed the thread in detail, but it looks like you guys have
>>> accomplished quite a bit of stuff...
>>>
>>> best,
>>>
>>> J
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On May 14, 2013, at 4:51 PM, Julian Brooks wrote:
>>>
>>> Hey Ali,
>>>
>>> Yes indeed... well, kind of.
>>>
>>> For my project we have some C code that Martin Peach put together that
>>> pipes the sensor data into Pd via UDP.
>>>
>>> Works really very well so have stalled on [gpio].  I did get data in and
>>> out of [gpio] without any issues though and Jaime improved the help patch
>>> considerably (well - he wrote one!)
>>>
>>> My memory is that Jaime's help patch is on the thread you've linked to
>>> and here's the rather lengthy one between Martin and I - watch out though
>>> there's lots of it (70+ posts currently).
>>>
>>> http://lists.puredata.info/pipermail/pd-list/2013-03/102003.html
>>>
>>> All the best and give us a shout if there's anything specific,
>>>
>>> Julian
>>>
>>>
>>> On 14 May 2013 21:56, Ali Momeni <batchku at gmail.com> wrote:
>>>
>>>>
>>>> hello friends,
>>>> i came across your post regarding GPIO on RPi from PD:
>>>>
>>>>  http://lists.puredata.info/pipermail/pd-list/2013-04/102173.html
>>>>
>>>> did you succeed in making this work?
>>>>
>>>> thanks in advance,
>>>> ali
>>>>
>>>
>>>
>>>
>>>
>>
>>
>
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