# Common options for the ESP32-U4WDH SoC
# CPU: ESP32-U4WDH (revision v3.1)
# Features: Wi-Fi, BT, Dual Core + LP Core, 240MHz, Embedded Flash, Vref calibration in eFuse, Coding Scheme None
# Crystal frequency: 40MHz
# Memory: 320KB RAM, 4MB Flash

packages:
  - !include esp32.yaml

esphome:
  platformio_options:
    board_build.flash_mode: dio

esp32:
  variant: esp32
  # cpu_frequency: 240MHz
  flash_size: 4MB
  framework:
    type: esp-idf
    # advanced:
    #   minimum_chip_revision: "3.1"    # Requires ESPHome 2026.1.0 ?
    sdkconfig_options:
      CONFIG_MBEDTLS_SSL_PROTO_TLS1_3: "y"  # TLS1.3 support still isn't enabled by default in IDF 5.5.2
      CONFIG_MBEDTLS_DEFAULT_CERTIFICATE_BUNDLE: CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN
      # CONFIG_LWIP_NETIF_LOOPBACK: "n"     # Apparently there's a bug causing the ICMPv6 Router Solicitation to go out over the loopback interface rather than wifi