xiaozhi-esp32/main/boards/hu-087/hu_087_board.cc

#include <driver/i2c_master.h>
#include <esp_lcd_panel_ops.h>
#include <esp_lcd_panel_vendor.h>
#include <esp_log.h>

#include "application.h"
#include "assets/lang_config.h"
#include "boards/common/wifi_board.h"
#include "button.h"
#include "codecs/no_audio_codec.h"
#include "config.h"
#include "display/oled_display.h"
#include "lamp_controller.h"
#include "led/single_led.h"
#include "mcp_server.h"
#include "system_reset.h"

#define TAG "Hu087Board"

class Hu087Board : public WifiBoard {
    private:
    i2c_master_bus_handle_t display_i2c_bus_;
    esp_lcd_panel_io_handle_t panel_io_ = nullptr;
    esp_lcd_panel_handle_t panel_ = nullptr;
    Display* display_ = nullptr;
    Button touch_button_;

    void InitializeDisplayI2c() {
        i2c_master_bus_config_t bus_config = {
            .i2c_port = (i2c_port_t)0,
            .sda_io_num = DISPLAY_SDA_PIN,
            .scl_io_num = DISPLAY_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(&bus_config, &display_i2c_bus_));
    }

    void InitializeSsd1306Display() {
        // SSD1306 config
        esp_lcd_panel_io_i2c_config_t io_config = {
            .dev_addr = 0x3C,
            .on_color_trans_done = nullptr,
            .user_ctx = nullptr,
            .control_phase_bytes = 1,
            .dc_bit_offset = 6,
            .lcd_cmd_bits = 8,
            .lcd_param_bits = 8,
            .flags =
                {
                    .dc_low_on_data = 0,
                    .disable_control_phase = 0,
                },
            .scl_speed_hz = 400 * 1000,
        };

        ESP_ERROR_CHECK(
            esp_lcd_new_panel_io_i2c_v2(display_i2c_bus_, &io_config, &panel_io_));

        ESP_LOGI(TAG, "Install SSD1306 driver");
        esp_lcd_panel_dev_config_t panel_config = {};
        panel_config.reset_gpio_num = -1;
        panel_config.bits_per_pixel = 1;

        esp_lcd_panel_ssd1306_config_t ssd1306_config = {
            .height = static_cast<uint8_t>(DISPLAY_HEIGHT),
        };
        panel_config.vendor_config = &ssd1306_config;

        ESP_ERROR_CHECK(
            esp_lcd_new_panel_ssd1306(panel_io_, &panel_config, &panel_));
        ESP_LOGI(TAG, "SSD1306 driver installed");

        // Reset the display
        ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_));
        if (esp_lcd_panel_init(panel_) != ESP_OK) {
            ESP_LOGE(TAG, "Failed to initialize display");
            display_ = new NoDisplay();
            return;
        }

        // Set the display to on
        ESP_LOGI(TAG, "Turning display on");
        ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_, true));

        display_ = new OledDisplay(panel_io_, panel_, DISPLAY_WIDTH, DISPLAY_HEIGHT,
                                   DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
    }

    void initializeAmpCtrl() {
        gpio_config_t io_conf = {
            .pin_bit_mask = (1ULL << AUDIO_I2S_SPK_GPIO_CTLR),  // Select GPIO 2
            .mode = GPIO_MODE_OUTPUT,                           // Set as output
            .pull_up_en = GPIO_PULLUP_ENABLE,                   // Disable pull-up
            .pull_down_en = GPIO_PULLDOWN_DISABLE,              // Disable pull-down
            .intr_type = GPIO_INTR_DISABLE  // Disable interrupts
        };
        gpio_config(&io_conf);
        gpio_set_level(AUDIO_I2S_SPK_GPIO_CTLR, 1);
    };

    void InitializeButtons() {
        touch_button_.OnClick([this]() {
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting) {
                EnterWifiConfigMode();
                return;
            }
            app.ToggleChatState();
        });

        touch_button_.OnLongPress([this]() {
            auto codec = GetAudioCodec();
            auto volume = codec->output_volume() + 10;
            if (volume > 100) {
                volume = 100;
            }  // Need to implement logic to lower volume
            codec->SetOutputVolume(volume);
            GetDisplay()->ShowNotification(Lang::Strings::VOLUME +
                                           std::to_string(volume));
        });
    }

 public:
    Hu087Board() : touch_button_(TOUCH_BUTTON_GPIO) {
        InitializeDisplayI2c();
        InitializeSsd1306Display();
        InitializeButtons();
        initializeAmpCtrl();  // Could control the amp ctrl pin throught voice
                              // detection i guess
    }

    virtual AudioCodec* GetAudioCodec() override {
        static NoAudioCodecSimplex audio_codec(
            AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
            AUDIO_I2S_SPK_GPIO_BCLK, AUDIO_I2S_SPK_GPIO_LRCK,
            AUDIO_I2S_SPK_GPIO_DOUT, I2S_STD_SLOT_RIGHT, AUDIO_I2S_MIC_GPIO_SCK,
            AUDIO_I2S_MIC_GPIO_WS, AUDIO_I2S_MIC_GPIO_DIN, I2S_STD_SLOT_RIGHT);
        return &audio_codec;
    }

    virtual Display* GetDisplay() override { return display_; }
};

DECLARE_BOARD(Hu087Board);