platformio.ini

[env:xiao_esp32s3]
platform = espressif32@^6.3.0
board = seeed_xiao_esp32s3
framework = arduino
monitor_speed = 115200
upload_speed = 921600

; Build options
build_flags = 
    -DCORE_DEBUG_LEVEL=0
    -DARDUINO_USB_CDC_ON_BOOT=1
    -DBOARD_HAS_PSRAM
    -mfix-esp32-psram-cache-issue
    -DCONFIG_BT_NIMBLE_ENABLED=1

; Libraries
lib_deps = 
    h2zero/NimBLE-Arduino@^1.4.0
    mathieucarbou/ESP Async WebServer@^3.0.6
    bblanchon/ArduinoJson@^7.0.4

; Board configuration
board_build.arduino.memory_type = qio_opi
board_build.partitions = partitions.csv
board_build.filesystem = spiffs

; USB CDC configuration
board_build.f_cpu = 240000000L
board_build.f_flash = 80000000L
board_build.flash_mode = qio