feat: 添加TIM4心跳闪烁并更新文档

Core/Inc/stm32f1xx_hal_conf.h

@@ -64,7 +64,7 @@
 /*#define HAL_SMARTCARD_MODULE_ENABLED   */
 #define HAL_SPI_MODULE_ENABLED
 /*#define HAL_SRAM_MODULE_ENABLED   */
-/*#define HAL_TIM_MODULE_ENABLED   */
+#define HAL_TIM_MODULE_ENABLED
 #define HAL_UART_MODULE_ENABLED
 /*#define HAL_USART_MODULE_ENABLED   */
 /*#define HAL_WWDG_MODULE_ENABLED   */

Core/Inc/stm32f1xx_it.h

@@ -59,6 +59,7 @@ void DMA1_Channel4_IRQHandler(void);
 void DMA1_Channel5_IRQHandler(void);
 void DMA1_Channel6_IRQHandler(void);
 void DMA1_Channel7_IRQHandler(void);
+void TIM4_IRQHandler(void);
 void SPI1_IRQHandler(void);
 void USART1_IRQHandler(void);
 void USART2_IRQHandler(void);

Core/Inc/tim.h

@@ -0,0 +1,41 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    tim.h
+  * @brief   This file contains all the function prototypes for the tim.c file
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __TIM_H__
+#define __TIM_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern TIM_HandleTypeDef htim4;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_TIM4_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __TIM_H__ */
+