Android 自启动脚本说明_安卓启动脚本

Android 自启动脚本说明

开机启动脚本

1. 开机启动脚本

#!/vendor/bin/sh

# LED
echo 105 > /sys/class/gpio/export
if [ -d "/sys/class/gpio/gpio105" ]; then
    echo out > /sys/class/gpio/gpio105/direction
    echo 1 > /sys/class/gpio/gpio105/value
fi

echo 107 > /sys/class/gpio/export
if [ -d "/sys/class/gpio/gpio107" ]; then
    echo out > /sys/class/gpio/gpio107/direction
    echo 1 > /sys/class/gpio/gpio107/value
fi

echo "***************************************************" > /dev/ttyHSL0
echo "*********************** GCI ***********************" > /dev/ttyHSL0
echo "***************************************************" > /dev/ttyHSL0

# uart
if [ -c "/dev/ttyHSL1" ]; then
    chmod 666 /dev/ttyHSL1
fi

if [ -c "/dev/ttyHSL2" ]; then
    chmod 666 /dev/ttyHSL2
fi

if [ -c "/dev/ttyHSL3" ]; then
    chmod 666 /dev/ttyHSL3
fi

# spi
if [ -c "/dev/spidev7.0" ]; then
    chmod 666 /dev/spidev7.0
fi

# led heart
if [ -x "/vendor/bin/gpio_test" ]; then
    /vendor/bin/gpio_test 105
fi
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2. 添加文件

添加文件
device/qcom/msm8953_64/gpio_test
device/qcom/msm8953_64/lingump.sh

编译到镜像
device/qcom/msm8953_64/msm8953_64.mk
PRODUCT_COPY_FILES += device/qcom/msm8953_64/lingump.sh:/vendor/bin/lingump.sh
PRODUCT_COPY_FILES += device/qcom/msm8953_64/gpio_test:/vendor/bin/gpio_test
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3. 添加服务

system/core/rootdir/init.rc

4. 添加服务权限

device/qcom/sepolicy/vendor/common/lingump.te
device/qcom/sepolicy/vendor/common/file_contexts

备注

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作者 [@lhgcs]
2020 年 07月 03日