[PD] miller's gpio on rpi2modelB and the "enable" message

Ivica Bukvic ico at vt.edu
Fri Aug 28 20:52:17 CEST 2015


Are you running pd with sudo privileges?
On Aug 28, 2015 2:25 PM, "Peter P." <peterparker at fastmail.com> wrote:

> Hi list, hi J,
>
> I am better understand the GPIOs on a Raspberry Pi 2 model B using
> Miller's gpio external from pi-externs. Everything works fine so far,
> only in the help patch kindly provided by J Oliver in his posting
> http://lists.puredata.info/pipermail/pd-list/2013-04/102172.html
> the message "enable 17" is said to do the same as an
>         echo "17" > /sys/class/gpio/export
> on the shell, but is has no effect, no file
> /sys/class/gpio/gpio17 is created.
>
> If I create in on the console all is fine.
>
> Does anyone else experience this?
>
> Thanks, Peter
>
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