[PD] gpio on the raspberry pi from within pd ?

Charles Goyard cg at fsck.fr
Tue Apr 2 13:22:54 CEST 2013


Julian Brooks wrote:
> After sudo bash I get:
> root at raspberrypi:/home/pi# echo gpio17 > /sys/class/gpio/export
> bash: echo: write error: Invalid argument

That's strange. I don't have a pi handy for now to double check my
instructions. Maybe I forgot something.

> I'm presuming 'gpio17' is to allow access to pin 17 and not what was my
> first impression that gpio17 allows access to all 18 pins?

yes, only creates the gpio17 "file" for pin 17.

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