flashing android script

android_flash.sh

#!/bin/sh
date

#power up usb and 3.3v
echo 64 > /sys/class/gpio/export
echo 65 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio64/direction
echo out > /sys/class/gpio/gpio65/direction
echo 1 > /sys/class/gpio/gpio64/value
echo 1 > /sys/class/gpio/gpio65/value

#set audio 100% output
/usr/bin/amixer sset 'Left Line Mixer Line2L Bypass' off || true
/usr/bin/amixer sset 'Left Line Mixer Line2R Bypass' mute || true
/usr/bin/amixer sset 'PCM' 100% || true
/usr/bin/amixer sset 'Line DAC' 100% || true
/usr/bin/amixer sset 'HP DAC' 100% || true
/usr/bin/amixer sset 'Line' on || true

#play audio start

aplay  /usr/share/sounds/system-upgrading.wav

echo 5
sleep 1
echo 4
sleep 1
echo 3
sleep 1
echo 2
sleep 1
echo 1
sleep 1
echo "START FLASHING"

zcat /root/android_working_emmc_20170117.img.gz > /dev/mmcblk0

aplay  /usr/share/sounds/system-upgraded.wav

echo "END FLASHING"
#play audio end

date