From b94c8a6e8b462fa47447ef73a46f31c06700420c Mon Sep 17 00:00:00 2001
From: Terrence <terrence@tenclass.com>
Date: Sun, 5 Jan 2025 21:20:30 +0800
Subject: [PATCH] rename St7789 to LCD

---
 CMakeLists.txt                                |  2 +-
 main/CMakeLists.txt                           |  2 +-
 main/application.cc                           |  1 +
 main/audio_codecs/no_audio_codec.cc           |  8 +-
 main/boards/common/board.h                    |  2 +-
 main/boards/esp-box-3/esp_box3_board.cc       | 62 +++++----------
 .../boards/lichuang-dev/lichuang_dev_board.cc |  6 +-
 .../boards/m5stack-core-s3/m5stack_core_s3.cc | 37 ++++++---
 .../magiclick-2p4/magiclick_2p4_board.cc      | 23 +++---
 .../{st7789_display.cc => lcd_display.cc}     | 78 +++++++------------
 .../{st7789_display.h => lcd_display.h}       | 12 +--
 main/display/ssd1306_display.cc               |  2 +-
 12 files changed, 105 insertions(+), 130 deletions(-)
 rename main/display/{st7789_display.cc => lcd_display.cc} (81%)
 rename main/display/{st7789_display.h => lcd_display.h} (85%)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fd1762e0..5536104d 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.16)
 
-set(PROJECT_VER "0.9.7")
+set(PROJECT_VER "0.9.8")
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(xiaozhi)
diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 6eb69dca..2e4d72a2 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -7,7 +7,7 @@ set(SOURCES "audio_codecs/audio_codec.cc"
             "led/circular_strip.cc"
             "display/display.cc"
             "display/no_display.cc"
-            "display/st7789_display.cc"
+            "display/lcd_display.cc"
             "display/ssd1306_display.cc"
             "protocols/protocol.cc"
             "protocols/mqtt_protocol.cc"
diff --git a/main/application.cc b/main/application.cc
index d4d6b783..876d5741 100644
--- a/main/application.cc
+++ b/main/application.cc
@@ -548,6 +548,7 @@ void Application::SetDeviceState(DeviceState state) {
         case kDeviceStateIdle:
             display->SetStatus("待命");
             display->SetEmotion("neutral");
+            display->SetChatMessage("", "");
 #ifdef CONFIG_IDF_TARGET_ESP32S3
             audio_processor_.Stop();
 #endif
diff --git a/main/audio_codecs/no_audio_codec.cc b/main/audio_codecs/no_audio_codec.cc
index 434232e2..d8f64529 100644
--- a/main/audio_codecs/no_audio_codec.cc
+++ b/main/audio_codecs/no_audio_codec.cc
@@ -77,8 +77,8 @@ NoAudioCodec::NoAudioCodec(int input_sample_rate, int output_sample_rate, gpio_n
     i2s_chan_config_t chan_cfg = {
         .id = (i2s_port_t)0,
         .role = I2S_ROLE_MASTER,
-        .dma_desc_num = 6,
-        .dma_frame_num = 240,
+        .dma_desc_num = 2,
+        .dma_frame_num = 240 * 3,
         .auto_clear_after_cb = true,
         .auto_clear_before_cb = false,
         .intr_priority = 0,
@@ -138,8 +138,8 @@ NoAudioCodec::NoAudioCodec(int input_sample_rate, int output_sample_rate, gpio_n
 
     // Create a new channel for speaker
     i2s_chan_config_t tx_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG((i2s_port_t)1, I2S_ROLE_MASTER);
-    tx_chan_cfg.dma_desc_num = 6;
-    tx_chan_cfg.dma_frame_num = 240;
+    tx_chan_cfg.dma_desc_num = 2;
+    tx_chan_cfg.dma_frame_num = 240 * 3;
     tx_chan_cfg.auto_clear_after_cb = true;
     tx_chan_cfg.auto_clear_before_cb = false;
     tx_chan_cfg.intr_priority = 0;
diff --git a/main/boards/common/board.h b/main/boards/common/board.h
index ce08e763..bf10a785 100644
--- a/main/boards/common/board.h
+++ b/main/boards/common/board.h
@@ -32,7 +32,7 @@ public:
 
     virtual void StartNetwork() = 0;
     virtual ~Board() = default;
-    virtual Led* GetLed() = 0;
+    virtual Led* GetLed();
     virtual AudioCodec* GetAudioCodec() = 0;
     virtual Display* GetDisplay();
     virtual Http* CreateHttp() = 0;
diff --git a/main/boards/esp-box-3/esp_box3_board.cc b/main/boards/esp-box-3/esp_box3_board.cc
index 5ef418f9..1b0e274e 100644
--- a/main/boards/esp-box-3/esp_box3_board.cc
+++ b/main/boards/esp-box-3/esp_box3_board.cc
@@ -1,6 +1,6 @@
 #include "wifi_board.h"
 #include "audio_codecs/box_audio_codec.h"
-#include "display/st7789_display.h"
+#include "display/lcd_display.h"
 #include "esp_lcd_ili9341.h"
 #include "font_awesome_symbols.h"
 #include "application.h"
@@ -42,7 +42,7 @@ static const ili9341_lcd_init_cmd_t vendor_specific_init[] = {
 };
 
 // Example Display and UI overwrite in different board
-class Ili9341Display : public St7789Display {
+class Ili9341Display : public LcdDisplay {
 private:    
     lv_obj_t *user_messge_label_ = nullptr;
     lv_obj_t *ai_messge_label_ = nullptr;
@@ -50,44 +50,27 @@ public:
     Ili9341Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
                          gpio_num_t backlight_pin, bool backlight_output_invert,
                          int width, int height, int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy)
-        : St7789Display(panel_io, panel, backlight_pin, backlight_output_invert, width, height, offset_x, offset_y, mirror_x, mirror_y, swap_xy) {}
-
-    void SetStatus(const std::string &status) override
-    {
-        if (status_label_ == nullptr) {
-            return;
-        }
-        if(status=="待命")
-        {
-            SetChatMessage(" "," ");
-        }
-        DisplayLockGuard lock(this);
-        lv_label_set_text(status_label_, status.c_str());
-    }
+        : LcdDisplay(panel_io, panel, backlight_pin, backlight_output_invert, width, height, offset_x, offset_y, mirror_x, mirror_y, swap_xy) {}
 
     void SetChatMessage(const std::string &role, const std::string &content) override {
         if (ai_messge_label_== nullptr || user_messge_label_== nullptr) {
             return;
         }
+
         DisplayLockGuard lock(this);
-        ESP_LOGI(TAG,"role:%s",role.c_str());
-        if(role=="assistant")
-        {
-            std::string new_content = "AI:" + content;
+        ESP_LOGI(TAG, "role:%s", role.c_str());
+        if(role == "assistant") {
+            std::string new_content = "AI: " + content;
             lv_label_set_text(ai_messge_label_, new_content.c_str());
-        }
-        else if(role=="user")
-        {
-            std::string new_content = "User:" + content;
-            lv_label_set_text(user_messge_label_, new_content.c_str());
-        }
-        else{
-            std::string new_content = "AI:";
-            lv_label_set_text(ai_messge_label_, new_content.c_str());
-            new_content="User:";
+        } else if(role == "user") {
+            std::string new_content = "User: " + content;
             lv_label_set_text(user_messge_label_, new_content.c_str());
+        } else{
+            lv_label_set_text(ai_messge_label_, "AI: ");
+            lv_label_set_text(user_messge_label_, "User: ");
         }
     }
+
     void SetupUI() override {
         DisplayLockGuard lock(this);
 
@@ -97,23 +80,23 @@ public:
 
         lv_obj_set_style_text_font(emotion_label_, &font_awesome_30_1, 0);
         lv_label_set_text(emotion_label_, FONT_AWESOME_AI_CHIP);
-        lv_obj_align(emotion_label_,LV_ALIGN_TOP_MID, 0, -10); // 左侧居中，向右偏移10个单位
+        lv_obj_align(emotion_label_, LV_ALIGN_TOP_MID, 0, -10); // 左侧居中，向右偏移10个单位
 
         static lv_style_t style_msg;
         lv_style_init(&style_msg);
-        lv_style_set_width(&style_msg, LV_HOR_RES-25);
+        lv_style_set_width(&style_msg, LV_HOR_RES - 25);
 
         user_messge_label_ = lv_label_create(content_);
         lv_obj_set_style_text_font(user_messge_label_, &font_puhui_14_1, 0);
-        lv_label_set_text(user_messge_label_, "User:");
+        lv_label_set_text(user_messge_label_, "User: ");
         lv_obj_add_style(user_messge_label_, &style_msg, 0);
-        lv_obj_align(user_messge_label_,LV_ALIGN_TOP_LEFT, 2, 25);
+        lv_obj_align(user_messge_label_, LV_ALIGN_TOP_LEFT, 2, 25);
 
         ai_messge_label_ = lv_label_create(content_);
         lv_obj_set_style_text_font(ai_messge_label_, &font_puhui_14_1, 0);
-        lv_label_set_text(ai_messge_label_, "AI:");
+        lv_label_set_text(ai_messge_label_, "AI: ");
         lv_obj_add_style(ai_messge_label_, &style_msg, 0);
-        lv_obj_align(ai_messge_label_,LV_ALIGN_TOP_LEFT, 2, 77);
+        lv_obj_align(ai_messge_label_, LV_ALIGN_TOP_LEFT, 2, 77);
     }
 };
 
@@ -228,13 +211,6 @@ public:
     virtual Display* GetDisplay() override {
         return display_;
     }
-
-    virtual bool GetBatteryLevel(int &level, bool& charging) override
-    {
-        charging = false;
-        level = 60;
-        return true;
-    };
 };
 
 DECLARE_BOARD(EspBox3Board);
diff --git a/main/boards/lichuang-dev/lichuang_dev_board.cc b/main/boards/lichuang-dev/lichuang_dev_board.cc
index 996e43bc..38e6e4e9 100644
--- a/main/boards/lichuang-dev/lichuang_dev_board.cc
+++ b/main/boards/lichuang-dev/lichuang_dev_board.cc
@@ -1,6 +1,6 @@
 #include "wifi_board.h"
 #include "audio_codecs/box_audio_codec.h"
-#include "display/st7789_display.h"
+#include "display/lcd_display.h"
 #include "application.h"
 #include "button.h"
 #include "config.h"
@@ -36,7 +36,7 @@ private:
     i2c_master_bus_handle_t i2c_bus_;
     i2c_master_dev_handle_t pca9557_handle_;
     Button boot_button_;
-    St7789Display* display_;
+    LcdDisplay* display_;
     Pca9557* pca9557_;
 
     void InitializeI2c() {
@@ -115,7 +115,7 @@ private:
         esp_lcd_panel_invert_color(panel, true);
         esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY);
         esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
-        display_ = new St7789Display(panel_io, panel, DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT,
+        display_ = new LcdDisplay(panel_io, panel, DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT,
                                     DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
     }
 
diff --git a/main/boards/m5stack-core-s3/m5stack_core_s3.cc b/main/boards/m5stack-core-s3/m5stack_core_s3.cc
index fbcad424..6226f4ae 100644
--- a/main/boards/m5stack-core-s3/m5stack_core_s3.cc
+++ b/main/boards/m5stack-core-s3/m5stack_core_s3.cc
@@ -1,9 +1,8 @@
 #include "wifi_board.h"
 #include "audio_codecs/cores3_audio_codec.h"
-#include "display/st7789_display.h"
+#include "display/lcd_display.h"
 #include "application.h"
 #include "button.h"
-#include "led.h"
 #include "config.h"
 #include "i2c_device.h"
 #include "iot/thing_manager.h"
@@ -31,6 +30,18 @@ public:
         WriteReg(0x94, 33 - 5);
         WriteReg(0x95, 33 - 5);
     }
+
+    int GetBatteryCurrentDirection() {
+        return (ReadReg(0x01) & 0b01100000) >> 5;
+    }
+
+    bool IsCharging() {
+        return GetBatteryCurrentDirection() == 1;
+    }
+
+    int GetBatteryLevel() {
+        return ReadReg(0xA4);
+    }
 };
 
 class Aw9523 : public I2cDevice {
@@ -103,7 +114,7 @@ private:
     Axp2101* axp2101_;
     Aw9523* aw9523_;
     Ft6336* ft6336_;
-    St7789Display* display_;
+    LcdDisplay* display_;
     Button boot_button_;
 
     void InitializeI2c() {
@@ -227,7 +238,7 @@ private:
         esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY);
         esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
 
-        display_ = new St7789Display(panel_io, panel, DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT,
+        display_ = new LcdDisplay(panel_io, panel, DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT,
                                     DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
     }
 
@@ -256,11 +267,6 @@ public:
         InitializeIot();
     }
 
-    virtual Led* GetBuiltinLed() override {
-        static Led led(GPIO_NUM_NC);
-        return &led;
-    }
-
     virtual AudioCodec* GetAudioCodec() override {
         static CoreS3AudioCodec* audio_codec = nullptr;
         if (audio_codec == nullptr) {
@@ -276,6 +282,19 @@ public:
         return display_;
     }
 
+    virtual bool GetBatteryLevel(int &level, bool& charging) override {
+        static int last_level = 0;
+        static bool last_charging = false;
+        level = axp2101_->GetBatteryLevel();
+        charging = axp2101_->IsCharging();
+        if (level != last_level || charging != last_charging) {
+            last_level = level;
+            last_charging = charging;
+            ESP_LOGI(TAG, "Battery level: %d, charging: %d", level, charging);
+        }
+        return true;
+    }
+
     Ft6336* GetTouchpad() {
         return ft6336_;
     }
diff --git a/main/boards/magiclick-2p4/magiclick_2p4_board.cc b/main/boards/magiclick-2p4/magiclick_2p4_board.cc
index 696738e6..ada53db7 100644
--- a/main/boards/magiclick-2p4/magiclick_2p4_board.cc
+++ b/main/boards/magiclick-2p4/magiclick_2p4_board.cc
@@ -1,9 +1,9 @@
 #include "wifi_board.h"
-#include "display/st7789_display.h"
+#include "display/lcd_display.h"
 #include "audio_codecs/es8311_audio_codec.h"
 #include "application.h"
 #include "button.h"
-#include "led.h"
+#include "led/single_led.h"
 #include "config.h"
 #include <esp_lcd_panel_vendor.h>
 #include <wifi_station.h>
@@ -17,7 +17,7 @@ class magiclick_2p4 : public WifiBoard {
 private:
     i2c_master_bus_handle_t codec_i2c_bus_;
     Button boot_button_;
-    St7789Display* display_;
+    LcdDisplay* display_;
 
     void InitializeCodecI2c() {
         // Initialize I2C peripheral
@@ -39,7 +39,7 @@ private:
     void InitializeButtons() {
         boot_button_.OnClick([this]() {
             auto& app = Application::GetInstance();
-            if (app.GetChatState() == kChatStateUnknown && !WifiStation::GetInstance().IsConnected()) {
+            if (app.GetDeviceState() == kDeviceStateUnknown && !WifiStation::GetInstance().IsConnected()) {
                 ResetWifiConfiguration();
             }
         });
@@ -57,6 +57,7 @@ private:
         gpio_set_direction(BUILTIN_LED_POWER, GPIO_MODE_OUTPUT);
         gpio_set_level(BUILTIN_LED_POWER, BUILTIN_LED_POWER_OUTPUT_INVERT ? 0 : 1);
     }
+
     void InitializeSpi() {
         spi_bus_config_t buscfg = {};
         buscfg.mosi_io_num = DISPLAY_SDA_PIN;
@@ -68,7 +69,7 @@ private:
         ESP_ERROR_CHECK(spi_bus_initialize(SPI3_HOST, &buscfg, SPI_DMA_CH_AUTO));
     }
 
-    void InitializeSt7789Display(){
+    void InitializeNv3023Display(){
         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
@@ -83,7 +84,7 @@ private:
         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
+        // 初始化液晶屏驱动芯片NV3023
         ESP_LOGD(TAG, "Install LCD driver");
         esp_lcd_panel_dev_config_t panel_config = {};
         panel_config.reset_gpio_num = DISPLAY_RST_PIN;
@@ -99,7 +100,7 @@ private:
         esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY);
         esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
         ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel, true));
-        display_ = new St7789Display(panel_io, panel, DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT,
+        display_ = new LcdDisplay(panel_io, panel, DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT,
                                     DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
     }
 
@@ -110,13 +111,11 @@ public:
         InitializeButtons();
         InitializeLedPower();
         InitializeSpi();
-        InitializeSt7789Display();
+        InitializeNv3023Display();
     }
 
-    virtual Led* GetBuiltinLed() override {
-        // static Led led(BUILTIN_LED_GPIO,BUILTIN_LED_NUM);
-        static Led led(BUILTIN_LED_GPIO);
-
+    virtual Led* GetLed() override {
+        static SingleLed led(BUILTIN_LED_GPIO);
         return &led;
     }
 
diff --git a/main/display/st7789_display.cc b/main/display/lcd_display.cc
similarity index 81%
rename from main/display/st7789_display.cc
rename to main/display/lcd_display.cc
index 1daa67f4..a269cd4b 100644
--- a/main/display/st7789_display.cc
+++ b/main/display/lcd_display.cc
@@ -1,4 +1,4 @@
-#include "st7789_display.h"
+#include "lcd_display.h"
 #include "font_awesome_symbols.h"
 
 #include <esp_log.h>
@@ -6,21 +6,21 @@
 #include <driver/ledc.h>
 #include <vector>
 
-#define TAG "St7789Display"
+#define TAG "LcdDisplay"
 #define LCD_LEDC_CH LEDC_CHANNEL_0
 
-#define ST7789_LVGL_TICK_PERIOD_MS 2
-#define ST7789_LVGL_TASK_MAX_DELAY_MS 20
-#define ST7789_LVGL_TASK_MIN_DELAY_MS 1
-#define ST7789_LVGL_TASK_STACK_SIZE (4 * 1024)
-#define ST7789_LVGL_TASK_PRIORITY 10
+#define LCD_LVGL_TICK_PERIOD_MS 2
+#define LCD_LVGL_TASK_MAX_DELAY_MS 20
+#define LCD_LVGL_TASK_MIN_DELAY_MS 1
+#define LCD_LVGL_TASK_STACK_SIZE (4 * 1024)
+#define LCD_LVGL_TASK_PRIORITY 10
 
 LV_FONT_DECLARE(font_puhui_14_1);
 LV_FONT_DECLARE(font_awesome_30_1);
 LV_FONT_DECLARE(font_awesome_14_1);
 
 static lv_disp_drv_t disp_drv;
-static void st7789_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
+static void lcd_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
 {
     esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t)drv->user_data;
     int offsetx1 = area->x1;
@@ -33,7 +33,7 @@ static void st7789_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_c
 }
 
 /* Rotate display and touch, when rotated screen in LVGL. Called when driver parameters are updated. */
-static void st7789_lvgl_port_update_callback(lv_disp_drv_t *drv)
+static void lcd_lvgl_port_update_callback(lv_disp_drv_t *drv)
 {
     esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t)drv->user_data;
 
@@ -43,48 +43,28 @@ static void st7789_lvgl_port_update_callback(lv_disp_drv_t *drv)
         // Rotate LCD display
         esp_lcd_panel_swap_xy(panel_handle, false);
         esp_lcd_panel_mirror(panel_handle, true, false);
-#if CONFIG_ST7789_LCD_TOUCH_ENABLED
-        // Rotate LCD touch
-        esp_lcd_touch_set_mirror_y(tp, false);
-        esp_lcd_touch_set_mirror_x(tp, false);
-#endif
         break;
     case LV_DISP_ROT_90:
         // Rotate LCD display
         esp_lcd_panel_swap_xy(panel_handle, true);
         esp_lcd_panel_mirror(panel_handle, true, true);
-#if CONFIG_ST7789_LCD_TOUCH_ENABLED
-        // Rotate LCD touch
-        esp_lcd_touch_set_mirror_y(tp, false);
-        esp_lcd_touch_set_mirror_x(tp, false);
-#endif
         break;
     case LV_DISP_ROT_180:
         // Rotate LCD display
         esp_lcd_panel_swap_xy(panel_handle, false);
         esp_lcd_panel_mirror(panel_handle, false, true);
-#if CONFIG_ST7789_LCD_TOUCH_ENABLED
-        // Rotate LCD touch
-        esp_lcd_touch_set_mirror_y(tp, false);
-        esp_lcd_touch_set_mirror_x(tp, false);
-#endif
         break;
     case LV_DISP_ROT_270:
         // Rotate LCD display
         esp_lcd_panel_swap_xy(panel_handle, true);
         esp_lcd_panel_mirror(panel_handle, false, false);
-#if CONFIG_ST7789_LCD_TOUCH_ENABLED
-        // Rotate LCD touch
-        esp_lcd_touch_set_mirror_y(tp, false);
-        esp_lcd_touch_set_mirror_x(tp, false);
-#endif
         break;
     }
 }
 
-void St7789Display::LvglTask() {
+void LcdDisplay::LvglTask() {
     ESP_LOGI(TAG, "Starting LVGL task");
-    uint32_t task_delay_ms = ST7789_LVGL_TASK_MAX_DELAY_MS;
+    uint32_t task_delay_ms = LCD_LVGL_TASK_MAX_DELAY_MS;
     while (1)
     {
         // Lock the mutex due to the LVGL APIs are not thread-safe
@@ -93,20 +73,20 @@ void St7789Display::LvglTask() {
             task_delay_ms = lv_timer_handler();
             Unlock();
         }
-        if (task_delay_ms > ST7789_LVGL_TASK_MAX_DELAY_MS)
+        if (task_delay_ms > LCD_LVGL_TASK_MAX_DELAY_MS)
         {
-            task_delay_ms = ST7789_LVGL_TASK_MAX_DELAY_MS;
+            task_delay_ms = LCD_LVGL_TASK_MAX_DELAY_MS;
         }
-        else if (task_delay_ms < ST7789_LVGL_TASK_MIN_DELAY_MS)
+        else if (task_delay_ms < LCD_LVGL_TASK_MIN_DELAY_MS)
         {
-            task_delay_ms = ST7789_LVGL_TASK_MIN_DELAY_MS;
+            task_delay_ms = LCD_LVGL_TASK_MIN_DELAY_MS;
         }
         vTaskDelay(pdMS_TO_TICKS(task_delay_ms));
     }
 }
 
 
-St7789Display::St7789Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
+LcdDisplay::LcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
                            gpio_num_t backlight_pin, bool backlight_output_invert,
                            int width, int height, int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy)
     : panel_io_(panel_io), panel_(panel), backlight_pin_(backlight_pin), backlight_output_invert_(backlight_output_invert),
@@ -147,8 +127,8 @@ St7789Display::St7789Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_h
     disp_drv.ver_res = height_;
     disp_drv.offset_x = offset_x_;
     disp_drv.offset_y = offset_y_;
-    disp_drv.flush_cb = st7789_lvgl_flush_cb;
-    disp_drv.drv_update_cb = st7789_lvgl_port_update_callback;
+    disp_drv.flush_cb = lcd_lvgl_flush_cb;
+    disp_drv.drv_update_cb = lcd_lvgl_port_update_callback;
     disp_drv.draw_buf = &disp_buf;
     disp_drv.user_data = panel_;
 
@@ -158,7 +138,7 @@ St7789Display::St7789Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_h
     // Tick interface for LVGL (using esp_timer to generate 2ms periodic event)
     const esp_timer_create_args_t lvgl_tick_timer_args = {
         .callback = [](void* arg) {
-            lv_tick_inc(ST7789_LVGL_TICK_PERIOD_MS);
+            lv_tick_inc(LCD_LVGL_TICK_PERIOD_MS);
         },
         .arg = NULL,
         .dispatch_method = ESP_TIMER_TASK,
@@ -166,22 +146,22 @@ St7789Display::St7789Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_h
         .skip_unhandled_events = false
     };
     ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer_));
-    ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer_, ST7789_LVGL_TICK_PERIOD_MS * 1000));
+    ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer_, LCD_LVGL_TICK_PERIOD_MS * 1000));
 
     lvgl_mutex_ = xSemaphoreCreateRecursiveMutex();
     assert(lvgl_mutex_ != nullptr);
     ESP_LOGI(TAG, "Create LVGL task");
     xTaskCreate([](void *arg) {
-        static_cast<St7789Display*>(arg)->LvglTask();
+        static_cast<LcdDisplay*>(arg)->LvglTask();
         vTaskDelete(NULL);
-    }, "LVGL", ST7789_LVGL_TASK_STACK_SIZE, this, ST7789_LVGL_TASK_PRIORITY, NULL);
+    }, "LVGL", LCD_LVGL_TASK_STACK_SIZE, this, LCD_LVGL_TASK_PRIORITY, NULL);
 
     SetBacklight(100);
 
     SetupUI();
 }
 
-St7789Display::~St7789Display() {
+LcdDisplay::~LcdDisplay() {
     ESP_ERROR_CHECK(esp_timer_stop(lvgl_tick_timer_));
     ESP_ERROR_CHECK(esp_timer_delete(lvgl_tick_timer_));
 
@@ -207,7 +187,7 @@ St7789Display::~St7789Display() {
     vSemaphoreDelete(lvgl_mutex_);
 }
 
-void St7789Display::InitializeBacklight(gpio_num_t backlight_pin) {
+void LcdDisplay::InitializeBacklight(gpio_num_t backlight_pin) {
     if (backlight_pin == GPIO_NUM_NC) {
         return;
     }
@@ -238,7 +218,7 @@ void St7789Display::InitializeBacklight(gpio_num_t backlight_pin) {
     ESP_ERROR_CHECK(ledc_channel_config(&backlight_channel));
 }
 
-void St7789Display::SetBacklight(uint8_t brightness) {
+void LcdDisplay::SetBacklight(uint8_t brightness) {
     if (backlight_pin_ == GPIO_NUM_NC) {
         return;
     }
@@ -254,18 +234,18 @@ void St7789Display::SetBacklight(uint8_t brightness) {
     ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LCD_LEDC_CH));
 }
 
-bool St7789Display::Lock(int timeout_ms) {
+bool LcdDisplay::Lock(int timeout_ms) {
     // Convert timeout in milliseconds to FreeRTOS ticks
     // If `timeout_ms` is set to 0, the program will block until the condition is met
     const TickType_t timeout_ticks = (timeout_ms == 0) ? portMAX_DELAY : pdMS_TO_TICKS(timeout_ms);
     return xSemaphoreTakeRecursive(lvgl_mutex_, timeout_ticks) == pdTRUE;
 }
 
-void St7789Display::Unlock() {
+void LcdDisplay::Unlock() {
     xSemaphoreGiveRecursive(lvgl_mutex_);
 }
 
-void St7789Display::SetupUI() {
+void LcdDisplay::SetupUI() {
     DisplayLockGuard lock(this);
 
     auto screen = lv_disp_get_scr_act(lv_disp_get_default());
@@ -336,7 +316,7 @@ void St7789Display::SetupUI() {
     lv_obj_set_style_text_font(battery_label_, &font_awesome_14_1, 0);
 }
 
-void St7789Display::SetChatMessage(const std::string &role, const std::string &content) {
+void LcdDisplay::SetChatMessage(const std::string &role, const std::string &content) {
     if (chat_message_label_ == nullptr) {
         return;
     }
diff --git a/main/display/st7789_display.h b/main/display/lcd_display.h
similarity index 85%
rename from main/display/st7789_display.h
rename to main/display/lcd_display.h
index e053e344..67f6ad9c 100644
--- a/main/display/st7789_display.h
+++ b/main/display/lcd_display.h
@@ -1,5 +1,5 @@
-#ifndef ST7789_DISPLAY_H
-#define ST7789_DISPLAY_H
+#ifndef LCD_DISPLAY_H
+#define LCD_DISPLAY_H
 
 #include "display.h"
 
@@ -10,7 +10,7 @@
 #include <esp_lcd_panel_ops.h>
 #include <esp_timer.h>
 
-class St7789Display : public Display {
+class LcdDisplay : public Display {
 protected:
     esp_lcd_panel_io_handle_t panel_io_ = nullptr;
     esp_lcd_panel_handle_t panel_ = nullptr;
@@ -39,12 +39,12 @@ protected:
     virtual void Unlock() override;
 
 public:
-    St7789Display(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
+    LcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
                   gpio_num_t backlight_pin, bool backlight_output_invert,
                   int width, int height,  int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy);
-    ~St7789Display();
+    ~LcdDisplay();
 
     void SetChatMessage(const std::string &role, const std::string &content) override;
 };
 
-#endif // ST7789_DISPLAY_H
+#endif // LCD_DISPLAY_H
diff --git a/main/display/ssd1306_display.cc b/main/display/ssd1306_display.cc
index 645a9f45..b2cc2ed5 100644
--- a/main/display/ssd1306_display.cc
+++ b/main/display/ssd1306_display.cc
@@ -35,7 +35,7 @@ Ssd1306Display::Ssd1306Display(void* i2c_master_handle, int width, int height, b
             .dc_low_on_data = 0,
             .disable_control_phase = 0,
         },
-        .scl_speed_hz = 400 * 1000,
+        .scl_speed_hz = 100 * 1000,
     };
 
     ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c_v2((i2c_master_bus_t*)i2c_master_handle, &io_config, &panel_io_));