55 lines
1.3 KiB
Bash
55 lines
1.3 KiB
Bash
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#!/bin/sh
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PYTHON=${PYTHON:-$(which python3 python|head -n 1)}
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# Usage info
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show_help() {
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cat << EOF
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Usage: $(basename $0) [-h] [-p ESPTOOL_PORT] [-P PYTHON] [-f FILENAME|FILENAME]
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Flash image file to device, leave existing system intact."
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-h Display this help and exit
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-p ESPTOOL_PORT Set the environment variable for ESPTOOL_PORT. If not set, ESPTOOL iterates all ports (Dangerrous).
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-P PYTHON Specify alternate python interpreter to use to invoke esptool. (Default: "$PYTHON")
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-f FILENAME The *update.bin file to flash. Custom to your device type.
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EOF
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}
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while getopts ":hp:P:f:" opt; do
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case "${opt}" in
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h)
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show_help
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exit 0
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;;
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p) export ESPTOOL_PORT=${OPTARG}
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;;
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P) PYTHON=${OPTARG}
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;;
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f) FILENAME=${OPTARG}
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;;
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*)
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echo "Invalid flag."
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show_help >&2
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exit 1
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;;
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esac
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done
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shift "$((OPTIND-1))"
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[ -z "$FILENAME" -a -n "$1" ] && {
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FILENAME=$1
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shift
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}
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if [ -f "${FILENAME}" ] && [ -z "${FILENAME##*"update"*}" ]; then
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printf "Trying to flash update ${FILENAME}"
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$PYTHON -m esptool --baud 115200 write_flash 0x10000 ${FILENAME}
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else
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show_help
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echo "Invalid file: ${FILENAME}"
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fi
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exit 0
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