examples/chef/esp32/sdkconfig.defaults

#
#    Copyright (c) 2021 Project CHIP Authors
#    All rights reserved.
#
#    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.
#

CONFIG_IDF_TARGET="esp32"
CONFIG_IDF_TARGET_ESP32=y
CONFIG_DEVICE_TYPE_M5STACK=y

# Default to 921600 baud when flashing and monitoring device
CONFIG_ESPTOOLPY_BAUD_921600B=y
CONFIG_ESPTOOLPY_BAUD=921600
CONFIG_ESPTOOLPY_COMPRESSED=y
CONFIG_ESPTOOLPY_MONITOR_BAUD_115200B=y
CONFIG_ESPTOOLPY_MONITOR_BAUD=115200

#enable BT
CONFIG_BT_ENABLED=y
CONFIG_BT_NIMBLE_ENABLED=y

#disable BT connection reattempt
CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n

#enable lwip ipv6 autoconfig
CONFIG_LWIP_IPV6_AUTOCONFIG=y

# disable IPV4
# CONFIG_DISABLE_IPV4 is not set

# lwip IPV4 config
CONFIG_LWIP_IPV4=y

# Use a custom partition table
CONFIG_PARTITION_TABLE_CUSTOM=y
CONFIG_PARTITION_TABLE_FILENAME="partitions.csv"

CONFIG_ENABLE_CHIP_SHELL=y

CONFIG_ESP_MAIN_TASK_STACK_SIZE=8192

CONFIG_STACK_CHECK_NORM=y
CONFIG_STACK_CHECK=y

# Serial Flasher config
CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
CONFIG_ESPTOOLPY_FLASHSIZE="4MB"

# Disable softap support by default
CONFIG_ESP_WIFI_SOFTAP_SUPPORT=n

# Enable HKDF in mbedtls
CONFIG_MBEDTLS_HKDF_C=y

# IRAM optimizations
CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y

# Increase LwIP IPv6 address number
CONFIG_LWIP_IPV6_NUM_ADDRESSES=6