1.总结keil5下载代码和编译代码需要注意的事项

代码写完之后的操作流程

 

2.总结STM32Cubemx的使用方法和需要注意的事项

选择芯片型号

生成代码

3.总结STM32Cubemx配置GPIO的方法

4、使用定时器2让黄灯闪烁

 

/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "tim.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
//当时间到达后就会调用这个函数
int flag=0;//标致led灯的状态
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
	
	//判断是否是定时器1
	if(htim==&htim1)
	{
		flag=!flag;
					//执行LED灯闪烁的代码
		if(flag==0)
		{
		
		HAL_GPIO_WritePin(GPIOB,GPIO_PIN_2,GPIO_PIN_RESET);
		
		}else if(flag==1)
		{
			
			HAL_GPIO_WritePin(GPIOB,GPIO_PIN_2,GPIO_PIN_SET);	
		}
	}

}
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_TIM1_Init();
  /* USER CODE BEGIN 2 */
	HAL_TIM_Base_Start_IT(&htim1);//调用计时器函数