On Fri, Mar 2, 2018 at 2:45 PM, Robert Nelson <robertcnel...@gmail.com>
wrote:

> On Mar 1, 2018 3:46 AM, "Jacek Radzikowski" <jacek.radzikow...@gmail.com>
> wrote:
>
> Hello,
>
> I try to access GPIO on pin P9_12 from python script using Adafruit_GPIO
> package, the pin is not available for use. Python script complains about
> missing file:
>
> ValueError: Set gpio mode failed, missing file or invalid permissions.
>
> config-pin does not see it either:
>
> $ sudo config-pin P9_12 gpio
> P9_12 pinmux file not found!
> bash: /sys/devices/platform/ocp/ocp*P9_12_pinmux/state: No such file or
> directory
> Cannot write pinmux file: /sys/devices/platform/ocp/ocp*P9_12_pinmux/state
>
> What works is exporting GPIO 60 through sys fs, and reading its value from
> /sys/class/gpio/gpio60/value
>
> With cape removed python script and config-pin work as expected. According
> to the documentation, the cape does not use this GPIO, so it should not be
> reserved.
>
>
> I've been working on this issue these last few weeks, but with embedded
> world conference this week I haven't worked on it. I should have more
> things lined up starting right before elc portand.
>
>
Thanks for taking care of it!

Jacek.

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