sw-update: add modified version from IDS
This version accepts directly a plain tar.gz image
This commit is contained in:
Stefan Eichenberger
parent
aeecb2648c
commit
de780e7580
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DESCRIPTION = "Software update script"
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HOMEPAGE = "http://www.netmodule.com/"
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LICENSE = "Proprietary"
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LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Proprietary;md5=0557f9d92cf58f2ccdd50f62f8ac0b28"
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RDEPENDS_${PN} = "e2fsprogs"
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PV = "1.0.0"
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SRC_URI = " \
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file://sw-update.sh \
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file://sw_update_config"
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do_install () {
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install -D -m 0755 ${WORKDIR}/sw-update.sh ${D}/${bindir}/sw-update.sh
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install -D -m 0666 ${WORKDIR}/sw_update_config ${D}/${sysconfdir}/default/sw_update_config
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}
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#!/bin/sh
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# Software update script
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# Local variables
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IMAGE_LOCATION=""
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IMAGE_FW_VERSION=""
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IMAGE_HW_VERSION=""
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IMAGE_PROD_COMPATIBILITY=""
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IMAGE_MD5=""
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TMP_RFS_MOUNT="/tmp/new_rfs"
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# Load platform specific configuration
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source /etc/default/sw_update_config
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#-------------------------------------------------------------------------------
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# Print log with level $1 and message $2
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log() {
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local level=${1?}
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shift
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local code= line="[$(date '+%F %T')] $level: $*"
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if [ -t 2 ]
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then
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case "$level" in
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INFO) code=36 ;;
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DEBUG) code=32 ;;
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WARN) code=33 ;;
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ERROR) code=31 ;;
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*) code=37 ;;
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esac
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echo -e "\e[${code}m${line}\e[0m"
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else
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echo "$line"
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fi >&2
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}
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#-------------------------------------------------------------------------------
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# Extract image header information and update local variables
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extract_header_infos()
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{
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log INFO "Extracting firmware header information ... "
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IMAGE_HEADER=$(head ${IMAGE_LOCATION} -n1 | sed 's/;bz2-image=.*//g')
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log INFO "$IMAGE_HEADER"
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oIFS=$IFS
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IFS=";"
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for field in "${FIELDS[@]}"
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do
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case "${field}" in
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attocube-fw=*)
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IMAGE_FW_VERSION=$(echo $field | cut -d= -f2)
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;;
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hwver=*)
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IMAGE_HW_VERSION=$(echo $field | cut -d= -f2)
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;;
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prod_compatibility=*)
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IMAGE_PROD_COMPATIBILITY=$(echo $field | cut -d= -f2)
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;;
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md5sum=*)
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IMAGE_MD5=$(echo $field | cut -d= -f2)
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;;
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*)
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log WARNING "Unknown header field ${field}"
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;;
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esac
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done
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IFS=$oIFS
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}
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#-------------------------------------------------------------------------------
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# Check if the given image is compatible with the hardware
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check_image_compatibility()
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{
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log INFO "Checking firmware compatibility ... "
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# Prod variant
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if [ "${PLATFORM_PROD_COMPATIBILITY}" != "${IMAGE_PROD_COMPATIBILITY}" ]
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then
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log ERROR "Incompatible product variant ${PLATFORM_PROD_COMPATIBILITY} != ${IMAGE_PROD_COMPATIBILITY}"
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exit -1
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fi
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# HW version, the image can be for more than one HW
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found=0
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oIFS=$IFS
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IFS='|'
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for hw_vesion in $IMAGE_HW_VERSION
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do
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if [ "${hw_vesion}" = "${PLATFORM_HW_VERSION}" ]
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then
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found=1
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break
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fi
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done
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IFS=$oIFS
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if [ "${found}" = "0" ]
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then
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log ERROR "Incompatible hardware version: ${PLATFORM_HW_VERSION} not in ${IMAGE_HW_VERSION}"
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exit -1
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fi
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}
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#-------------------------------------------------------------------------------
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# Extract the image from the binary
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extract_image()
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{
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EXTRACTED_IMAGE=$IMAGE_LOCATION.tmp
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cat $IMAGE_LOCATION | sed '1{/.*bz2-image=/d}' > $EXTRACTED_IMAGE
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}
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#-------------------------------------------------------------------------------
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# Check the md5sum of the firmware image
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check_image_md5()
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{
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log INFO "Checking image MD5 ..."
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COMPUTED_MD5=$(md5sum $EXTRACTED_IMAGE | awk '{print $1}')
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if [ "${COMPUTED_MD5}" != "${IMAGE_MD5}" ]
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then
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log ERROR "MD5 mismatch ${COMPUTED_MD5} != ${IMAGE_MD5}"
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exit -1
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fi
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}
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#-------------------------------------------------------------------------------
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# Flash the firmware on the inactive partition
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flash_firmware()
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{
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if [ "${PLATFORM_ACTIVE_PARTITION}" == "1" ]
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then
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# the active partition is 1 so we have to flash 0
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DEST_PARTITION=${PLATFORM_FIRST_PARTITION}
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else
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DEST_PARTITION=${PLATFORM_SECOND_PARTITION}
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fi
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log INFO "Formatting partition ${DEST_PARTITION} ..."
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mkfs.ext4 ${DEST_PARTITION}
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if [ "$?" != "0" ]
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then
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log ERROR "Formating parition ${DEST_PARTITION} failed"
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exit -1
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fi
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log INFO "Extracting firmware ..."
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mkdir -p ${TMP_RFS_MOUNT}
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if [ ! -d ${TMP_RFS_MOUNT} ]
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then
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log ERROR "Couldn't create folder ${TMP_RFS_MOUNT}"
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exit -1
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fi
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mount ${DEST_PARTITION} ${TMP_RFS_MOUNT}
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if [ "$?" != "0" ]
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then
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log ERROR "Couldn't mount ${DEST_PARTITION} to ${TMP_RFS_MOUNT}"
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exit -1
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fi
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tar -xzf ${EXTRACTED_IMAGE} -C ${TMP_RFS_MOUNT}
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if [ "$?" != "0" ]
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then
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log ERROR "Error extracting new firmware"
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exit -1
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fi
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umount ${TMP_RFS_MOUNT}
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if [ "${PLATFORM_ACTIVE_PARTITION}" == "1" ]
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then
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set_active_partition 0
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else
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set_active_partition 1
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fi
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}
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cleanup()
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{
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log INFO "cleanup..."
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rm $EXTRACTED_IMAGE
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}
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############################ Start of script ###################################
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if [ ! -e "$1" ]
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then
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log ERROR "Please provide a valid update image"
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exit -1
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else
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IMAGE_LOCATION=$1
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fi
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log INFO "Starting update ..."
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#extract_header_infos
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#check_image_compatibility
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# extract_image
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# Don't use the header stuff for now, move the file instead
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EXTRACTED_IMAGE=$IMAGE_LOCATION
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# Also don't check the md5 sum
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# check_image_md5
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flash_firmware
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cleanup
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log INFO "Software update succeed!"
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exit 0
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@ -0,0 +1,12 @@
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PLATFORM_FIRST_PARTITION="/dev/mmcblk0p2"
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PLATFORM_SECOND_PARTITION="/dev/mmcblk0p3"
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PLATFORM_BOOT_PARTITION="/dev/mmcblk0p1"
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PLATFORM_PROD_COMPATIBILITY=
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PLATFORM_HW_VERSION=
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PLATFORM_ACTIVE_PARTITION=$(bd -r boot_part)
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set_active_partition()
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{
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bd -w boot_part -v $1
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}
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