80 lines
2.0 KiB
Bash
80 lines
2.0 KiB
Bash
|
#!/bin/sh
|
||
|
|
|
||
|
|
ota_package=/mnt/UDISK/app_ota.tar
|
||
|
|
|
||
|
|
update_img()
|
||
|
|
{
|
||
|
|
img_to_ota=$1
|
||
|
|
partition_to_ota=$2
|
||
|
|
echo "[OTA]begin update $img_to_ota to /dev/by-name/$partition_to_ota"
|
||
|
|
img_md5=$(tar -xf "$ota_package" "$img_to_ota.md5" -O)
|
||
|
|
file_size=$(tar -tvf "$ota_package" "$img_to_ota" | awk '{print $3/512}')
|
||
|
|
echo "[OTA]file_size:$file_size"
|
||
|
|
|
||
|
|
#verify source img
|
||
|
|
echo "[OTA]verifying $img_to_ota..."
|
||
|
|
source_md5=$(tar -xf "$ota_package" "$img_to_ota" -O | md5sum | awk '{print $1}')
|
||
|
|
echo "[OTA]source_md5:$source_md5"
|
||
|
|
echo "[OTA]img_md5:$img_md5"
|
||
|
|
[ x"$source_md5" != x"$img_md5" ] && {
|
||
|
|
echo "[OTA]verify $img_to_ota md5 fail"
|
||
|
|
exit -1
|
||
|
|
}
|
||
|
|
|
||
|
|
#clean the partition
|
||
|
|
echo "[OTA]cleaning $partition_to_ota..."
|
||
|
|
dd if=/dev/zero of="/dev/by-name/$partition_to_ota" > /dev/null
|
||
|
|
sync
|
||
|
|
echo "[OTA]clean $partition_to_ota done"
|
||
|
|
|
||
|
|
#update partitions
|
||
|
|
echo "[OTA]updating $partition_to_ota..."
|
||
|
|
tar -xf "$ota_package" "$img_to_ota" -O | dd of="/dev/by-name/$partition_to_ota"
|
||
|
|
sync
|
||
|
|
echo "[OTA]update $partition_to_ota done"
|
||
|
|
|
||
|
|
#readout to verify
|
||
|
|
echo "[OTA]verifying $partition_to_ota"
|
||
|
|
verify_md5=$(dd if="/dev/by-name/$partition_to_ota" bs=512 count="$file_size" | md5sum | awk '{print $1}')
|
||
|
|
echo "[OTA]verify_md5:$verify_md5"
|
||
|
|
echo "[OTA]img_md5:$img_md5"
|
||
|
|
[ x"$verify_md5" != x"$img_md5" ] && {
|
||
|
|
echo "[OTA]verify md5 fail"
|
||
|
|
exit -1
|
||
|
|
}
|
||
|
|
echo "[OTA]verifying $partition_to_ota done"
|
||
|
|
|
||
|
|
#announce success
|
||
|
|
echo "[OTA]update $img_to_ota to /dev/by-name/$partition_to_ota success"
|
||
|
|
}
|
||
|
|
|
||
|
|
[ ! -f $ota_package ] && echo "[OTA]$ota_package not exist" && exit -1
|
||
|
|
|
||
|
|
#check appAB
|
||
|
|
mkdir -p /var/lock
|
||
|
|
appAB=$(fw_printenv -n appAB)
|
||
|
|
echo "[OTA]appAB=$appAB"
|
||
|
|
if mount | grep -q "app_sub" ; then
|
||
|
|
echo "[OTA]now is app_sub"
|
||
|
|
app_partition_to_ota="app"
|
||
|
|
next_app="A"
|
||
|
|
#TODO: maybe other partition's name contain app
|
||
|
|
elif mount | grep -q "app" ; then
|
||
|
|
echo "[OTA]now is app"
|
||
|
|
app_partition_to_ota="app_sub"
|
||
|
|
next_app="B"
|
||
|
|
else
|
||
|
|
echo "[OTA]not app or app_sub"
|
||
|
|
#TODO: should we defaultly do update to app?
|
||
|
|
return -1
|
||
|
|
fi
|
||
|
|
|
||
|
|
update_img app.fex $app_partition_to_ota
|
||
|
|
|
||
|
|
fw_setenv appAB $next_app
|
||
|
|
|
||
|
|
echo "[OTA]update app done!"
|
||
|
|
|
||
|
|
#reboot
|
||
|
|
|