#!/bin/sh

logger -t stm32 "startup"

LOCK=/var/lock/LCK..ttyATH0
echo $$ > ${LOCK}.tmp

#killall -9 ser2net

FW="/etc/stm32/boiler.fw"
TFW="/tmp/stm32.fw"

PORT="/dev/ttyATH0"

echo 5 > /sys/class/gpio/export 
echo out > /sys/class/gpio/gpio5/direction 

for i in $(seq 0 20); do
	echo 1 > /sys/class/leds/tp-link\:green\:wps/brightness
	echo 0 > /sys/class/leds/tp-link\:green\:wps/brightness

        if stm32flash "${PORT}"; then
                break
        fi
        sleep 1
done

if [ -z "$1" ]; then
	logger -t stm32  "reading ROM"
        if ! stm32flash -r "${TFW}" "${PORT}" ; then
                exit 1
        fi

        if diff -q "${TFW}" "${FW}"; then
		logger -t stm32  "Code in ROM matches file"
                echo "Code in ROM matches file"
        else
		logger -t stm32  "Flashing"
                echo "Code in ROM doesn't match file, flashing"
                stm32flash -w "${FW}" "${PORT}"
        fi
else
        echo "Flashing..."
        stm32flash -w "$1" "${PORT}"
fi

logger -t stm32  "Booting"
stm32flash -g 0  "${PORT}"

rm -f ${LOCK}