添加串口操作类

Core/Src/main.c

@@ -19,6 +19,7 @@
 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
 #include "memorymap.h"
+#include "tim.h"
 #include "gpio.h"
 
 /* Private includes ----------------------------------------------------------*/
@@ -57,7 +58,7 @@ void SystemClock_Config(void);
 
 /* Private user code ---------------------------------------------------------*/
 /* USER CODE BEGIN 0 */
-
+extern void AppStart(void);
 /* USER CODE END 0 */
 
 /**
@@ -89,6 +90,7 @@ int main(void)
 
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
+  MX_TIM7_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -114,6 +116,7 @@ int main(void)
 
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
+  AppStart();
   while (1)
   {
 

Core/Src/tim.c

@@ -0,0 +1,97 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    tim.c
+  * @brief   This file provides code for the configuration
+  *          of the TIM instances.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "tim.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+TIM_HandleTypeDef htim7;
+
+/* TIM7 init function */
+void MX_TIM7_Init(void)
+{
+
+  /* USER CODE BEGIN TIM7_Init 0 */
+
+  /* USER CODE END TIM7_Init 0 */
+
+  TIM_MasterConfigTypeDef sMasterConfig = {0};
+
+  /* USER CODE BEGIN TIM7_Init 1 */
+
+  /* USER CODE END TIM7_Init 1 */
+  htim7.Instance = TIM7;
+  htim7.Init.Prescaler = 249;
+  htim7.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim7.Init.Period = 65535;
+  htim7.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim7) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim7, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM7_Init 2 */
+
+  /* USER CODE END TIM7_Init 2 */
+
+}
+
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
+{
+
+  if(tim_baseHandle->Instance==TIM7)
+  {
+  /* USER CODE BEGIN TIM7_MspInit 0 */
+
+  /* USER CODE END TIM7_MspInit 0 */
+    /* TIM7 clock enable */
+    __HAL_RCC_TIM7_CLK_ENABLE();
+  /* USER CODE BEGIN TIM7_MspInit 1 */
+
+  /* USER CODE END TIM7_MspInit 1 */
+  }
+}
+
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
+{
+
+  if(tim_baseHandle->Instance==TIM7)
+  {
+  /* USER CODE BEGIN TIM7_MspDeInit 0 */
+
+  /* USER CODE END TIM7_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM7_CLK_DISABLE();
+  /* USER CODE BEGIN TIM7_MspDeInit 1 */
+
+  /* USER CODE END TIM7_MspDeInit 1 */
+  }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */