v1.8.0: Audio 代码重构与低功耗优化 (#943)

* Reconstruct Audio Code

* Remove old IoT implementation

* Add MQTT-UDP documentation

* OTA升级失败时，可以继续使用

main/boards/magiclick-c3/magiclick_c3_board.cc

@@ -1,10 +1,9 @@
 #include "wifi_board.h"
 #include "display/lcd_display.h"
-#include "audio_codecs/es8311_audio_codec.h"
+#include "codecs/es8311_audio_codec.h"
 #include "application.h"
 #include "button.h"
 #include "led/single_led.h"
-#include "iot/thing_manager.h"
 #include "config.h"
 #include "power_save_timer.h"
 #include "font_awesome_symbols.h"
@@ -103,6 +102,14 @@ private:
             },
         };
         ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &codec_i2c_bus_));
+
+        // Print I2C bus info
+        if (i2c_master_probe(codec_i2c_bus_, 0x18, 1000) != ESP_OK) {
+            while (true) {
+                ESP_LOGE(TAG, "Failed to probe I2C bus, please check if you have installed the correct firmware");
+                vTaskDelay(1000 / portTICK_PERIOD_MS);
+            }
+        }
     }
 
     void InitializeButtons() {
@@ -165,25 +172,17 @@ private:
                                     DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
     }
 
-    // 物联网初始化，添加对 AI 可见设备
-    void InitializeIot() {
-        auto& thing_manager = iot::ThingManager::GetInstance();
-        thing_manager.AddThing(iot::CreateThing("Speaker"));
-        thing_manager.AddThing(iot::CreateThing("Screen"));
-    }
-
 public:
     magiclick_c3() : boot_button_(BOOT_BUTTON_GPIO) {
-        // 把 ESP32C3 的 VDD SPI 引脚作为普通 GPIO 口使用
-        esp_efuse_write_field_bit(ESP_EFUSE_VDD_SPI_AS_GPIO);
-
         InitializeCodecI2c();
         InitializeButtons();
         InitializePowerSaveTimer();
         InitializeSpi();
         InitializeNv3023Display();
-        InitializeIot();
         GetBacklight()->RestoreBrightness();
+        
+        // 把 ESP32C3 的 VDD SPI 引脚作为普通 GPIO 口使用
+        esp_efuse_write_field_bit(ESP_EFUSE_VDD_SPI_AS_GPIO);
     }
 
     virtual Led* GetLed() override {