meshtastic-firmware/bin/device-update.sh

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#!/bin/sh
# Usage info
show_help() {
cat << EOF
Usage: ${0##*/} [-h] [-p ESPTOOL_PORT] -f FILENAME
Flash image file to device, leave existing system intact."
-h Display this help and exit
-p ESPTOOL_PORT Set the environment variable for ESPTOOL_PORT. If not set, ESPTOOL iterates all ports (Dangerrous).
-f FILENAME The .bin file to flash. Custom to your device type and region.
EOF
}
while getopts ":h:p:f:" opt; do
case "${opt}" in
h)
show_help
exit 0
;;
p) export ESPTOOL_PORT=${OPTARG}
;;
f) FILENAME=${OPTARG}
;;
*)
echo "Invalid flag."
show_help >&2
exit 1
;;
esac
done
shift "$((OPTIND-1))"
if [ -f "${FILENAME}" ]; then
echo "Trying to flash update ${FILENAME}."
esptool.py --baud 921600 write_flash 0x10000 ${FILENAME}
echo "Erasing the otadata partition, which will turn off flash flippy-flop and force the first image to be used"
esptool.py --baud 921600 erase_region 0xe000 0x2000
else
echo "Invalid file: ${FILENAME}"
show_help
fi
exit 0