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root@cgtqmx6:~# cd /sys/class/gpio root@cgtqmx6:/sys/class/gpio# ls export gpio110 gpio122 gpio130 gpiochip0 gpiochip160 gpiochip32 gpiochip96 gpio0 gpio111 gpio123 gpio203 gpiochip128 gpiochip192 gpiochip64 unexport |
All aready already configured gpios are lited listed here. If a GPIO is not yet configured, enable it like e.g. for GPIO0:
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$ echo out > /sys/class/gpio/gpio130/direction $ echo 1 > /sys/class/gpio/gpio130 /value $ echo 0 > /sys/class/gpio/gpio130 /value |
Example: set gpio0 as input:
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