固件类型：官方提供的固件
固件文件名称：ROC-RK3588S-PC_Ubuntu20.04-Gnome-r30028_v1.1.1b_23
固件下载地址：百度
Log日志：log.txt
我根据官方提供的排针定义图，做了一个扩展板，用来控制三路继电器，分别用的GPIO1_D0,GPIO1_D1,GPIO1_D2,其中D0,D1上电就输出高电平，改变io方向也一样无法控制
echo 56 > /sys/class/gpio/export
echo 57 > /sys/class/gpio/export
echo 58 > /sys/class/gpio/export
echo “out” /sys/class/gpio/gpio56/direction
echo “out” /sys/class/gpio/gpio57/direction
echo “out” /sys/class/gpio/gpio58/direction
echo 0 /sys/class/gpio/gpio56/value
echo 1 /sys/class/gpio/gpio56/value
echo 0 /sys/class/gpio/gpio57/value
echo 1 /sys/class/gpio/gpio57/value
echo 0 /sys/class/gpio/gpio58/value
echo 1 /sys/class/gpio/gpio58/value
ls /sys/class/gpio/gpio58
cat /sys/class/gpio/gpio58/direction
cat /sys/class/gpio/gpio58/value
tchip_askquestions
log.txt (1.72 KB)