硬件：luckfox pico ultra w 无wifi
SDK: V3.0


root@luckfox:/home/pico# cd /sys/class/gpio/
root@luckfox:/sys/class/gpio# echo 41 > export
root@luckfox:/sys/class/gpio# cd gpio41/
root@luckfox:/sys/class/gpio/gpio41# echo out > direction
root@luckfox:/sys/class/gpio/gpio41# cat value
1
root@luckfox ...