rk3588sdk/env/speaker_control.sh

#!/bin/bash
#
# 引脚编号:GPIO2-A3 
# Linux中对应的编号: 32*2 + (A-A)*8 + 3 = GPIO67
#


# 配置GPIO1_D4
echo 60 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio60/direction
echo 1 > /sys/class/gpio/gpio60/value