Accessing GPIOs
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patrykz
New Member Posts: 1 ✭
Hi
I am trying to configure GPIO pins, but I am unable to export them. I followed Pinout_UPSPro instructions, it does not have the Linux GPIO No, but I read that it should be the same as on the Pinout_UP2.
When trying to export pin 13 or pin 15:
echo 432 > export -bash: echo: write error: Invalid argument
I followed Ubuntu_20.04 system setup and pinctrl-upboard installation.
I am using ubuntu I'm using ubuntu 20.04, kernel 5.4 and pinctrl v1.1.0
Could I ask for some advice what might be the problem?
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Answers
-
Hi Sir
After installed pinctrl.
Please reference this website and try again.
https://github.com/up-board/up-community/wiki/40Pin-HeaderBest Regards,
Harry Chiu
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