xiaozhi/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 <wifi_station.h>
#include "esp32_camera.h"

#define TAG "kevin-sp-v4"

LV_FONT_DECLARE(font_puhui_20_4);
LV_FONT_DECLARE(font_awesome_20_4);

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 && !WifiStation::GetInstance().IsConnected()) {
                ResetWifiConfiguration();
            }
        });
        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,
                            {
                                .text_font = &font_puhui_20_4,
                                .icon_font = &font_awesome_20_4,
                                .emoji_font = font_emoji_64_init(),
                            });
    }

    void InitializeCamera() {
        // Open camera power

        camera_config_t config = {};
        config.ledc_channel = LEDC_CHANNEL_2;  // LEDC通道选择  用于生成XCLK时钟 但是S3不用
        config.ledc_timer = LEDC_TIMER_2; // LEDC timer选择  用于生成XCLK时钟 但是S3不用
        config.pin_d0 = CAMERA_PIN_D0;
        config.pin_d1 = CAMERA_PIN_D1;
        config.pin_d2 = CAMERA_PIN_D2;
        config.pin_d3 = CAMERA_PIN_D3;
        config.pin_d4 = CAMERA_PIN_D4;
        config.pin_d5 = CAMERA_PIN_D5;
        config.pin_d6 = CAMERA_PIN_D6;
        config.pin_d7 = CAMERA_PIN_D7;
        config.pin_xclk = CAMERA_PIN_XCLK;
        config.pin_pclk = CAMERA_PIN_PCLK;
        config.pin_vsync = CAMERA_PIN_VSYNC;
        config.pin_href = CAMERA_PIN_HREF;
        config.pin_sccb_sda = -1;   // 这里写-1 表示使用已经初始化的I2C接口
        config.pin_sccb_scl = CAMERA_PIN_SIOC;
        config.sccb_i2c_port = 1;
        config.pin_pwdn = CAMERA_PIN_PWDN;
        config.pin_reset = CAMERA_PIN_RESET;
        config.xclk_freq_hz = XCLK_FREQ_HZ;
        config.pixel_format = PIXFORMAT_RGB565;
        config.frame_size = FRAMESIZE_VGA;
        config.jpeg_quality = 12;
        config.fb_count = 1;
        config.fb_location = CAMERA_FB_IN_PSRAM;
        config.grab_mode = CAMERA_GRAB_WHEN_EMPTY;

        camera_ = new Esp32Camera(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);