xuraax Posted June 24, 2022 Posted June 24, 2022 I need to use this UART on an S905 system installed with Armbian 22 and Kernel 5.15 through Python. I am able to do this by changing the permissions of /dev/ttyAML0 from 640 to 660. However I need to avoid having to issue the CHMOD command each time I power up. I have written a service in systemd to do this automatically at startup but the CHMOD command has no effect on the port permissions or else they are being overwritten later on during startup. The service is functioning correctly since CHMOD on another dummy file alters permissions as expected. Any suggestions please?
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