esp-idf/examples/system/ota/otatool/otatool_example.sh

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#!/usr/bin/env bash
#
# Demonstrates command-line interface of OTA Partitions Tool, otatool.py
#
#
# $1 - serial port where target device to operate on is connnected to, by default the first found valid serial port
# $2 - path to this example's built binary file (parttool.bin), by default $PWD/build/otatool.bin
PORT=$1
OTATOOL_PY="python $IDF_PATH/components/app_update/otatool.py -q"
if [[ "$PORT" != "" ]]; then
OTATOOL_PY="$OTATOOL_PY --port $PORT"
fi
BINARY=$2
if [[ "$BINARY" == "" ]]; then
BINARY=build/otatool.bin
fi
function assert_file_same()
{
sz_a=$(stat -c %s $1)
sz_b=$(stat -c %s $2)
sz=$((sz_a < sz_b ? sz_a : sz_b))
res=$(cmp -s -n $sz $1 $2) ||
(echo "!!!!!!!!!!!!!!!!!!!"
echo "FAILURE: $3"
echo "!!!!!!!!!!!!!!!!!!!")
}
function assert_running_partition()
{
running=$(python get_running_partition.py)
if [[ "$running" != "$1" ]]; then
echo "!!!!!!!!!!!!!!!!!!!"
echo "FAILURE: Running partition '$running' does not match expected '$1'"
echo "!!!!!!!!!!!!!!!!!!!"
exit 1
fi
}
# Flash the example firmware to OTA partitions. The first write uses slot number to identify OTA
# partition, the second one uses the name.
echo "Writing factory firmware to ota_0"
$OTATOOL_PY write_ota_partition --slot 0 --input $BINARY
echo "Writing factory firmware to ota_1"
$OTATOOL_PY write_ota_partition --name ota_1 --input $BINARY
# Read back the written firmware
$OTATOOL_PY read_ota_partition --name ota_0 --output app0.bin
$OTATOOL_PY read_ota_partition --slot 1 --output app1.bin
assert_file_same $BINARY app0.bin "Slot 0 app does not match factory app"
assert_file_same $BINARY app1.bin "Slot 1 app does not match factory app"
# Switch to factory app
echo "Switching to factory app"
$OTATOOL_PY erase_otadata
assert_running_partition factory
# Switch to slot 0
echo "Switching to OTA slot 0"
$OTATOOL_PY switch_ota_partition --slot 0
assert_running_partition ota_0
# Switch to slot 1 twice in a row
echo "Switching to OTA slot 1 (twice in a row)"
$OTATOOL_PY switch_ota_partition --slot 1
assert_running_partition ota_1
$OTATOOL_PY switch_ota_partition --name ota_1
assert_running_partition ota_1
# Switch to slot 0 twice in a row
echo "Switching to OTA slot 0 (twice in a row)"
$OTATOOL_PY switch_ota_partition --slot 0
assert_running_partition ota_0
$OTATOOL_PY switch_ota_partition --name ota_0
assert_running_partition ota_0
# Switch to factory app
echo "Switching to factory app"
$OTATOOL_PY erase_otadata
assert_running_partition factory
# Switch to slot 1
echo "Switching to OTA slot 1"
$OTATOOL_PY switch_ota_partition --slot 1
assert_running_partition ota_1
# Example end and cleanup
printf "\nPartition tool operations performed successfully\n"
rm -rf app0.bin app1.bin