On Thu, Mar 18, 2021 at 1:45 PM John Allwine <j...@pocketnc.com> wrote:
>
> On my Beaglebone Black, I have two config-pin executables. One is a compiled 
> executable from the bb-cape-overlays package, the other is a bash script in 
> /opt/source/bb.org-overlays:
>
> $ which config-pin
> /usr/bin/config-pin
>
> $ dpkg -S /usr/bin/config-pin
> bb-cape-overlays: /usr/bin/config-pin
>
> $ find / -name config-pin 2> /dev/null
> /opt/source/bb.org-overlays/tools/beaglebone-universal-io/config-pin
> /usr/bin/config-pin
>
> I have a script that configures specific pins using config-pin in the format:
> config-pin P8.8 in-
> Which sets pin P8.8 to an input configured as a pull down.
>
> The bash script seems to be the one that accepts that format, the other does 
> not and errors with:
> ERROR: open() for /sys/devices/platform/ocp/ocp:P8_8_pinmux/state failed, No 
> such file or directory
>
> The compiled version is the default on my Beaglebone and I'd like to know 
> more about it. For my script to work, I need to use the other one right now. 
> I can certainly update the script if the compiled config-pin is a newer 
> version and recommended practice is to use it, but I can't seem to make it 
> work right. Any information is appreciated!

P8.8 -> P8.08, the original had a fixup for the missing zero..  I
don't think 'in-' has been migrated yet..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

-- 
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