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
if [ ! -d /sys/class/gpio/gpio60 ]; then
    echo 60 >/sys/class/gpio/export
fi
echo out >/sys/class/gpio/gpio60/direction

# 复位下芯片
echo 0 >/sys/class/gpio/gpio60/value
sleep 1
echo 1 >/sys/class/gpio/gpio60/value