xiaozhi-esp32/main/boards/esp-p4-function-ev-board/README.md

ESP-P4-Function-EV-Board

Board support for ESP-P4-Function-EV-Board. Wi‑Fi uses ESP‑Hosted via the on‑board ESP32‑C6. LCD is supported via the official MIPI‑DSI LCD adapter.

Features

• Wi‑Fi: esp_wifi_remote + esp_hosted (SDIO) with ESP32‑C6 co‑processor
• Display: 7" MIPI‑DSI LCD (1024×600) via adapter; can also run headless
• Audio: ES8311 codec with speaker and microphone support
• Touch: GT911 capacitive touch controller
• SD Card: MicroSD card support (MMC mode)
• Camera: MIPI-CSI camera interface with fallback DVP configuration (OV5647, SC2336 sensors supported)
• USB: USB host/device support
• SPIFFS: Built-in flash filesystem support
• Fonts: Custom font support with Unicode characters (Vietnamese, Chinese, etc.)

Configure

In menuconfig: Xiaozhi Assistant -> Board Type -> ESP-P4-Function-EV-Board

Ensure these are set (auto-set when building via config.json):

• CONFIG_SLAVE_IDF_TARGET_ESP32C6=y
• CONFIG_ESP_HOSTED_P4_DEV_BOARD_FUNC_BOARD=y
• CONFIG_ESP_HOSTED_SDIO_HOST_INTERFACE=y
• CONFIG_ESP_HOSTED_SDIO_4_BIT_BUS=y

LCD Connection (from Espressif user guide)

• Connect the LCD adapter board J3 to the board’s MIPI DSI connector (reverse ribbon).
• Wire RST_LCD (adapter J6) to GPIO27 (board J1).
• Wire PWM (adapter J6) to GPIO26 (board J1).
• Optionally power the LCD adapter via its USB or provide 5V and GND from the board.

These pins are pre-configured in config.h as PIN_NUM_LCD_RST=GPIO27 and DISPLAY_BACKLIGHT_PIN=GPIO26. Resolution is set to 1024×600.

Build (example)

idf.py set-target esp32p4
idf.py menuconfig
idf.py build

Tip: In menuconfig, choose Xiaozhi Assistant -> Board Type -> ESP-P4-Function-EV-Board. If building a release via scripts, the config.json in this folder appends the required Hosted options.