# obu-firmware defaults (ESP32-C5, ESP-IDF 6.0.2). Based on microbu-esp32c5/firmware/sdkconfig.defaults;
# the differences for this board are marked "MicrOBU:".
CONFIG_IDF_TARGET="esp32c5"
CONFIG_COMPILER_CXX_EXCEPTIONS=y
CONFIG_COMPILER_CXX_RTTI=y
CONFIG_COMPILER_OPTIMIZATION_SIZE=y
CONFIG_ESP_MAIN_TASK_STACK_SIZE=8192
# MicrOBU: the production board has 16 MB of flash (esptool reports it); the partition table
# only uses the first 4 MB.
CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
CONFIG_PARTITION_TABLE_CUSTOM=y
CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
# Network profile: BTP + GeoNetworking, no facilities codecs (the phone builds CAM/VAM)
CONFIG_VANETZA_IDF_PROFILE_NETWORK=y
CONFIG_VANETZA_IDF_SECURITY=y
CONFIG_VANETZA_IDF_SECURITY_VERIFY=y
CONFIG_VANETZA_IDF_NVS_CREDENTIALS=y
CONFIG_VANETZA_IDF_PKI=n
CONFIG_VANETZA_IDF_HIL=n
CONFIG_VANETZA_IDF_RADIO_C5=y
CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=6
CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=16
CONFIG_ESP_WIFI_DYNAMIC_TX_BUFFER_NUM=16
CONFIG_ESP_WIFI_MGMT_SBUF_NUM=16
# MicrOBU: the console and ESP_LOG stay on UART0, i.e. the CH343 bridge port (COM3 on the bench),
# exactly as in the previous firmware. The native USB Serial/JTAG port belongs to the phone and
# carries only station-link frames. The colleague's board has only the native port and routes the
# console there instead.
CONFIG_ESP_CONSOLE_UART_DEFAULT=y
CONFIG_ESP_CONSOLE_SECONDARY_NONE=y
CONFIG_ESP_PANIC_HANDLER_IRAM=y
CONFIG_LOG_DEFAULT_LEVEL_INFO=y
CONFIG_LOG_COLORS=n
# MicrOBU: 20 dBm ceiling, as the previous firmware (the phone configures 20).
CONFIG_ESP_PHY_MAX_WIFI_TX_POWER=20
# Station-internal BLE GATT link: NimBLE, maximum ATT value, persistent bonds.
CONFIG_BT_ENABLED=y
CONFIG_BT_BLUEDROID_ENABLED=n
CONFIG_BT_NIMBLE_ENABLED=y
CONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=517
CONFIG_BT_NIMBLE_SM_SC=y
CONFIG_BT_NIMBLE_NVS_PERSIST=y
CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
CONFIG_BT_NIMBLE_MAX_BONDS=1
CONFIG_BT_NIMBLE_MAX_CCCDS=8
CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=12
CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=12
CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
# Hardware ECDSA/ECC/SHA
CONFIG_MBEDTLS_HARDWARE_ECC=y
CONFIG_MBEDTLS_HARDWARE_ECDSA_VERIFY=y
CONFIG_MBEDTLS_HARDWARE_SHA=y
CONFIG_MBEDTLS_HARDWARE_AES=n