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#!/usr/bin/env bash
# Usage:
# merge.sh [chip]
#
# Arguments:
# chip - optional ESP32 SOC variant (e.g. esp32, esp32s3, esp32c6)
#
# Requirements:
# jq - run 'pip install jq'
# esptool.py - run 'pip install esptool'
#
# Documentation:
# https://docs.espressif.com/projects/esptool/en/latest/esp32/
#
# Source: https://stackoverflow.com/a/53798785
function is_bin_in_path {
builtin type -P "$1" &> /dev/null
}
function require_bin {
program=$1
if ! is_bin_in_path $program; then
exit 1
else
exit 0
fi
}
# Find either esptool (installed via system package manager) or esptool.py (installed via pip)
if ! is_bin_in_path esptool; then
if ! is_bin_in_path esptool.py; then
echo "\e[31m⚠ esptool not found! Install it from your package manager or install python and run 'pip install esptool'\e[0m"
exit 1
else
esptoolPath=esptool.py
fi
else
esptoolPath=esptool
fi
chip=${1:-esp32s3}
# Take the flash_arg file contents and join each line in the file into a single line
flash_args="$(tr '\n' ' ' < Binaries/flash_args)"
read -r -a flash_args_array <<< "$flash_args"
(
cd Binaries || exit 1
"$esptoolPath" --chip "$chip" merge-bin --output merged_binary.bin "${flash_args_array[@]}"
) || exit 1