61 lines
1.2 KiB
Bash
61 lines
1.2 KiB
Bash
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#!/system/bin/sh
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firmware_path=/vendor/firmware
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touch_class_path=/sys/class/touchscreen
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touch_path=
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firmware_file=
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wait_for_poweron()
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{
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local wait_nomore
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local readiness
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local count
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echo "wait until driver reports <ready to flash>..."
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wait_nomore=60
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count=0
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while true; do
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readiness=$(cat $touch_path/poweron)
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if [ "$readiness" == "1" ]; then
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echo "ready to flash!!!"
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break;
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fi
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count=$((count+1))
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[ $count -eq $wait_nomore ] && break
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sleep 1
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echo "not ready; keep waiting..."
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done
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if [ $count -eq $wait_nomore ]; then
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return 1
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fi
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return 0
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}
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load_touch()
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{
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panel_supplier=""
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panel_supplier=$(cat /sys/class/touchscreen/*/panel_supplier)
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echo "panel supplier vendor is: [$panel_supplier]"
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cd $firmware_path
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case $panel_supplier in
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tianma)
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firmware_file="novatek_ts-NT36675-21061805-603a-berlna.bin"
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;;
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esac
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echo "Firmware file for upgrade $firmware_file"
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touch_path=/sys/class/touchscreen/$(ls /sys/class/touchscreen/)
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wait_for_poweron
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wait
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echo "forcing firmware upgrade"
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echo 1 > $touch_path/forcereflash
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wait
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echo "sending reflash command"
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echo $firmware_file > $touch_path/doreflash
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sleep 1.5
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echo "Resetting Touch"
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echo 1 > $touch_path/reset
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}
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load_touch
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exit 0
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