xiaozhi-esp32/main/boards/kevin-sp-v4-dev/kevin-sp-v4_board.cc

#include "wifi_board.h"
#include "codecs/es8311_audio_codec.h"
#include "display/lcd_display.h"
#include "system_reset.h"
#include "application.h"
#include "button.h"
#include "config.h"
#include "led/single_led.h"

#include <esp_log.h>
#include <esp_lcd_panel_vendor.h>
#include <driver/i2c_master.h>
#include "esp32_camera.h"

#define TAG "kevin-sp-v4"

class KEVIN_SP_V4Board : public WifiBoard {
private:
    i2c_master_bus_handle_t display_i2c_bus_;
    Button boot_button_;
    LcdDisplay* display_;
    i2c_master_bus_handle_t codec_i2c_bus_;
    Esp32Camera* camera_;

    void InitializeCodecI2c() {
        // Initialize I2C peripheral
        i2c_master_bus_config_t i2c_bus_cfg = {
            .i2c_port = I2C_NUM_1,
            .sda_io_num = AUDIO_CODEC_I2C_SDA_PIN,
            .scl_io_num = AUDIO_CODEC_I2C_SCL_PIN,
            .clk_source = I2C_CLK_SRC_DEFAULT,
            .glitch_ignore_cnt = 7,
            .intr_priority = 0,
            .trans_queue_depth = 0,
            .flags = {
                .enable_internal_pullup = 1,
            },
        };
        ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &codec_i2c_bus_));
    }

    void InitializeSpi() {
        spi_bus_config_t buscfg = {};
        buscfg.mosi_io_num = GPIO_NUM_47;
        buscfg.miso_io_num = GPIO_NUM_NC;
        buscfg.sclk_io_num = GPIO_NUM_21;
        buscfg.quadwp_io_num = GPIO_NUM_NC;
        buscfg.quadhd_io_num = GPIO_NUM_NC;
        buscfg.max_transfer_sz = DISPLAY_WIDTH * DISPLAY_HEIGHT * sizeof(uint16_t);
        ESP_ERROR_CHECK(spi_bus_initialize(SPI3_HOST, &buscfg, SPI_DMA_CH_AUTO));
    }

    void InitializeButtons() {
        boot_button_.OnClick([this]() {
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting) {
                EnterWifiConfigMode();
                return;
            }
        });
        boot_button_.OnPressDown([this]() {
            Application::GetInstance().StartListening();
        });
        boot_button_.OnPressUp([this]() {
            Application::GetInstance().StopListening();
        });
    }

    void InitializeSt7789Display() {
        esp_lcd_panel_io_handle_t panel_io = nullptr;
        esp_lcd_panel_handle_t panel = nullptr;
        // 液晶屏控制IO初始化
        ESP_LOGD(TAG, "Install panel IO");
        esp_lcd_panel_io_spi_config_t io_config = {};
        io_config.cs_gpio_num = GPIO_NUM_14;
        io_config.dc_gpio_num = GPIO_NUM_45;
        io_config.spi_mode = 3;
        io_config.pclk_hz = 80 * 1000 * 1000;
        io_config.trans_queue_depth = 10;
        io_config.lcd_cmd_bits = 8;
        io_config.lcd_param_bits = 8;
        ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi(SPI3_HOST, &io_config, &panel_io));

        // 初始化液晶屏驱动芯片ST7789
        ESP_LOGD(TAG, "Install LCD driver");
        esp_lcd_panel_dev_config_t panel_config = {};
        panel_config.reset_gpio_num = GPIO_NUM_NC;
        panel_config.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB;
        panel_config.bits_per_pixel = 16;
        ESP_ERROR_CHECK(esp_lcd_new_panel_st7789(panel_io, &panel_config, &panel));
        ESP_ERROR_CHECK(esp_lcd_panel_reset(panel));
        ESP_ERROR_CHECK(esp_lcd_panel_init(panel));
        ESP_ERROR_CHECK(esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY));
        ESP_ERROR_CHECK(esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y));
        ESP_ERROR_CHECK(esp_lcd_panel_invert_color(panel, true));

        display_ = new SpiLcdDisplay(panel_io, panel,
                            DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
    }

    void InitializeCamera() {
        static esp_cam_ctlr_dvp_pin_config_t dvp_pin_config = {
            .data_width = CAM_CTLR_DATA_WIDTH_8,
            .data_io = {
                [0] = CAMERA_PIN_D0,
                [1] = CAMERA_PIN_D1,
                [2] = CAMERA_PIN_D2,
                [3] = CAMERA_PIN_D3,
                [4] = CAMERA_PIN_D4,
                [5] = CAMERA_PIN_D5,
                [6] = CAMERA_PIN_D6,
                [7] = CAMERA_PIN_D7,
            },
            .vsync_io = CAMERA_PIN_VSYNC,
            .de_io = CAMERA_PIN_HREF,
            .pclk_io = CAMERA_PIN_PCLK,
            .xclk_io = CAMERA_PIN_XCLK,
        };

        esp_video_init_sccb_config_t sccb_config = {
            .init_sccb = true,
            .i2c_config = {
                .port = 1,
                .scl_pin = CAMERA_PIN_SIOC,
                .sda_pin = GPIO_NUM_NC,
            },
            .freq = 100000,
        };

        esp_video_init_dvp_config_t dvp_config = {
            .sccb_config = sccb_config,
            .reset_pin = CAMERA_PIN_RESET,
            .pwdn_pin = CAMERA_PIN_PWDN,
            .dvp_pin = dvp_pin_config,
            .xclk_freq = XCLK_FREQ_HZ,
        };

        esp_video_init_config_t video_config = {
            .dvp = &dvp_config,
        };

        camera_ = new Esp32Camera(video_config);
    }

public:
    KEVIN_SP_V4Board() :  boot_button_(BOOT_BUTTON_GPIO) {
        ESP_LOGI(TAG, "Initializing KEVIN SP V4 Board");
        InitializeCodecI2c();
        InitializeSpi();
        InitializeButtons();
        InitializeSt7789Display();  
        InitializeCamera();
        GetBacklight()->RestoreBrightness();
    }

    virtual Led* GetLed() override {
        static SingleLed led(BUILTIN_LED_GPIO);
        return &led;
    }

    virtual AudioCodec* GetAudioCodec() override {
        static Es8311AudioCodec audio_codec(codec_i2c_bus_, I2C_NUM_0, AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
            AUDIO_I2S_GPIO_MCLK, AUDIO_I2S_GPIO_BCLK, AUDIO_I2S_GPIO_WS, AUDIO_I2S_GPIO_DOUT, AUDIO_I2S_GPIO_DIN,
            AUDIO_CODEC_PA_PIN, AUDIO_CODEC_ES8311_ADDR);
        return &audio_codec;
    }

    virtual Display *GetDisplay() override {
        return display_;
    }
    
    virtual Backlight* GetBacklight() override {
        static PwmBacklight backlight(DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT);
        return &backlight;
    }
    
    virtual Camera* GetCamera() override {
        return camera_;
    }
};

DECLARE_BOARD(KEVIN_SP_V4Board);