feat: 添加MP3驱动模块并集成到系统初始化

新增MP3驱动模块，包含初始化、播放、暂停、停止、音量设置等功能
修改USART3波特率为9600以适配MP3模块
在系统启动时初始化MP3模块并播放启动音效
添加MP3播放索引定义文件

Core/Src/freertos.c

@@ -19,17 +19,21 @@
 
 /* Includes ------------------------------------------------------------------*/
 #include "FreeRTOS.h"
-#include "task.h"
-#include "main.h"
 #include "cmsis_os.h"
+#include "main.h"
+#include "task.h"
+
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
 #include "device_ctrl.h"
 #include "dx_wf_24.h"
 #include "elog.h"
+#include "mp3_driver.h"
 #include "spi_st7735s.h"
 #include "stdio.h"
+#include "mp3_play_index.h"
+
 
 /* USER CODE END Includes */
 
@@ -56,23 +60,23 @@
 /* Definitions for defaultTask */
 osThreadId_t defaultTaskHandle;
 const osThreadAttr_t defaultTask_attributes = {
-  .name = "defaultTask",
-  .stack_size = 256 * 4,
-  .priority = (osPriority_t) osPriorityHigh1,
+    .name = "defaultTask",
+    .stack_size = 256 * 4,
+    .priority = (osPriority_t)osPriorityHigh1,
 };
 /* Definitions for wifi_mqtt */
 osThreadId_t wifi_mqttHandle;
 const osThreadAttr_t wifi_mqtt_attributes = {
-  .name = "wifi_mqtt",
-  .stack_size = 3000 * 4,
-  .priority = (osPriority_t) osPriorityHigh,
+    .name = "wifi_mqtt",
+    .stack_size = 3000 * 4,
+    .priority = (osPriority_t)osPriorityHigh,
 };
 /* Definitions for LCD_SHOW_Task */
 osThreadId_t LCD_SHOW_TaskHandle;
 const osThreadAttr_t LCD_SHOW_Task_attributes = {
-  .name = "LCD_SHOW_Task",
-  .stack_size = 1024 * 4,
-  .priority = (osPriority_t) osPriorityHigh,
+    .name = "LCD_SHOW_Task",
+    .stack_size = 1024 * 4,
+    .priority = (osPriority_t)osPriorityHigh,
 };
 
 /* Private function prototypes -----------------------------------------------*/
@@ -87,10 +91,10 @@ void LCD_Task(void *argument);
 void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */
 
 /**
-  * @brief  FreeRTOS initialization
-  * @param  None
-  * @retval None
-  */
+ * @brief  FreeRTOS initialization
+ * @param  None
+ * @retval None
+ */
 void MX_FREERTOS_Init(void) {
   /* USER CODE BEGIN Init */
   ST7735_Init(); // 初始化ST7735显示屏
@@ -114,7 +118,8 @@ void MX_FREERTOS_Init(void) {
 
   /* Create the thread(s) */
   /* creation of defaultTask */
-  defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
+  defaultTaskHandle =
+      osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
 
   /* creation of wifi_mqtt */
   wifi_mqttHandle = osThreadNew(wifi_task_mqtt, NULL, &wifi_mqtt_attributes);
@@ -129,7 +134,6 @@ void MX_FREERTOS_Init(void) {
   /* USER CODE BEGIN RTOS_EVENTS */
   /* add events, ... */
   /* USER CODE END RTOS_EVENTS */
-
 }
 
 /* USER CODE BEGIN Header_StartDefaultTask */
@@ -139,8 +143,7 @@ void MX_FREERTOS_Init(void) {
  * @retval None
  */
 /* USER CODE END Header_StartDefaultTask */
-void StartDefaultTask(void *argument)
-{
+void StartDefaultTask(void *argument) {
   /* USER CODE BEGIN StartDefaultTask */
   // 1. 打开运行灯
   Device_Control(DEVICE_LED_RUN, 1);
@@ -148,6 +151,16 @@ void StartDefaultTask(void *argument)
   // 2. 初始化日志和屏幕（在 RTOS 任务中）
   easylogger_init();
 
+  // 初始化MP3模块
+  HAL_StatusTypeDef ret = MP3_Init();
+  if (ret != HAL_OK) {
+    elog_e("MP3", "MP3模块初始化失败");
+    return;
+  }
+
+  elog_i("MP3", "模块初始化完成");
+  MP3_Play(SYS_POWER_ON);
+
   /* Infinite loop */
   for (;;) {
 
@@ -166,8 +179,7 @@ void StartDefaultTask(void *argument)
  * @retval None
  */
 /* USER CODE END Header_LCD_Task */
-void LCD_Task(void *argument)
-{
+void LCD_Task(void *argument) {
   /* USER CODE BEGIN LCD_Task */
 
   char time_str[16];
@@ -208,4 +220,3 @@ void LCD_Task(void *argument)
 /* USER CODE BEGIN Application */
 
 /* USER CODE END Application */
-

Core/Src/usart.c

@@ -100,7 +100,7 @@ void MX_USART3_UART_Init(void)
 
   /* USER CODE END USART3_Init 1 */
   huart3.Instance = USART3;
-  huart3.Init.BaudRate = 115200;
+  huart3.Init.BaudRate = 9600;
   huart3.Init.WordLength = UART_WORDLENGTH_8B;
   huart3.Init.StopBits = UART_STOPBITS_1;
   huart3.Init.Parity = UART_PARITY_NONE;