#!/bin/sh

dev_node="/dev/mmcblk0p1"
sd_mount_dir=/bin/vslocal/sd
upg_file="rt-upgrade-gk7205v200.ov"

###SD设备节点都不在
if [ -e /dev/mmcblk0p1 ];then
	dev_node="/dev/mmcblk0p1"
elif [ -e /dev/mmcblk0 ];then
	dev_node="/dev/mmcblk0"
else
	exit
fi	

insmod /komod/extdrv/exfat.ko

mount -t exfat ${dev_node} ${sd_mount_dir}

ls ${sd_mount_dir}

if [ ! -e ${sd_mount_dir}/${upg_file} ];then
	umount -l ${sd_mount_dir}
	rmmod exfat;
	exit;
fi	

###检验升级包是否已经升级过,升级包的前4个字节是CRC
file_crc=`packet_crc ${sd_mount_dir}/${upg_file}`
save_crc=`paraconf r 2 upg_crc`

echo "file_crc":${file_crc}"===========save_crc":${save_crc}

if [ "${file_crc}" == "${save_crc}" ];then
	umount -l ${sd_mount_dir}
	rmmod exfat;
	exit;
fi

insmod /komod/extdrv/led.ko

echo "upgrade_begin" > /proc/rt/led

umount -l ${sd_mount_dir}

umount -l /etc/ipcamera 

cp /usr/sbin/upgrade.sh /tmpfs/

chmod +x /tmpfs/upgrade.sh

/tmpfs/upgrade.sh