#!/bin/bash -e
#
# This file is part of AtomVM.
#
# Copyright 2023 Fred Dushin <fred@dushin.net>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
#

readonly root="$(cd $(dirname $0)/.. && pwd)"

. "${root}/etc/common.sh"
. "${root}/etc/esp32.sh"

function syntax() {
    banner "Syntax: $0 [-h] [-p <port>] [-b <baud>] <path-to-image>"
}

. "${root}/etc/parse_args.sh"

if [ -n "${help}" ]; then
    syntax
    exit 0
fi

readonly nargs=$#
if [ ${nargs} -lt 1 ]; then
    banner "Error!  Missing flash image"
    syntax
    exit 1
fi
readonly flash_image="${1}"

echo_run "${ESP32_ESPTOOL}" --chip "${ESP32_CHIP}" --port "${ESP32_PORT}" --baud "${ESP32_BAUD}" \
    --before default_reset --after hard_reset \
    write_flash -u --flash_mode keep --flash_freq keep --flash_size detect \
    "${ESP32_OFFSET}" \
    "${flash_image}"
