#!/bin/sh

TARGET_IP="172.32.0.93"

MAX_RETRIES=10
retries=0

usb0_config() {
	if [ "$(cat /proc/device-tree/usbdrd/usb@ffb00000/dr_mode)" == "peripheral" ]; then
		current_ip=$(ifconfig usb0 | grep -o 'inet addr:[^ ]*' | awk -F ':' '{print $2}')
		echo "current_ip = $current_ip"
		echo "TARGET_IP = $TARGET_IP"

		while [[ "$current_ip" != "$TARGET_IP" && $retries -lt $MAX_RETRIES ]]; do
			sleep .5
			echo "luckfox : set usb0 ip"
			ifconfig usb0 "$TARGET_IP"
			current_ip=$(ifconfig usb0 | grep -o 'inet addr:[^ ]*' | awk -F ':' '{print $2}')
			echo $current_ip
			retries=$((retries + 1))
		done

		if [[ "$current_ip" != "$TARGET_IP" ]]; then
			echo "usb0 config error"
		else
			echo "usb0 config success"
		fi
	else
		echo "usb0 is using host mode"
	fi
}

case $1 in
start)
	usb0_config
	;;
stop) ;;
*)
	exit 1
	;;
esac