Jetson 共用资料

Ubuntu20.04 GPIO设置

2023-07-25 admin 312

Ubuntu20.04 GPIO设置

设置为输出

GPIO390 PG.07为例

sudo echo 390 > /sys/class/gpio/export

sudo chmod 777 /sys/class/gpio/PG.07/value

sudo chmod 777 /sys/class/gpio/PG.07/direction

sudo  echo "out" > /sys/class/gpio/PG.07/direction

sudo echo 1 > /sys/class/gpio/PG.07/value

sudo echo 0 > /sys/class/gpio/PG.07/value

设置为输入

sudo echo 390 > /sys/class/gpio/export

sudo chmod 777 /sys/class/gpio/PG.07/value

sudo chmod 777 /sys/class/gpio/PG.07/direction

sudo  echo "in" > /sys/class/gpio/PG.07/direction

查看状态

sudo cat /sys/kernel/debug/gpio | grep 390

 

 


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