串口控制LED点亮stm32中断 跑马灯

/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  ** This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether 
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * COPYRIGHT(c) 2019 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f0xx_hal.h"

/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private variables ---------------------------------------------------------*/
TIM_HandleTypeDef htim14;

UART_HandleTypeDef huart1;

/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
uint8_t n_led = 0x01;
uint8_t v_led = 0x00;
uint8_t led_reg =0x00;

uint8_t aTxBuffer1[4]= "done";
uint8_t aRxBuffer1[8];
uint8_t flag = 0x00;
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_TIM14_Init(void);

/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
void led_matrix(uint8_t n_led,uint8_t state);
/* USER CODE END PFP */

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  *
  * @retval None
  */
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_USART1_UART_Init();
  MX_TIM14_Init();
  /* USER CODE BEGIN 2 */
	HAL_TIM_Base_Start_IT(&htim14);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  
	HAL_UART_Receive_IT(&huart1,aRxBuffer1,8);          // Enable the USART1 Interrupt
	
	for (uint8_t i = 1; i<9;i++)
		{
			led_matrix(i,1);
			HAL_Delay(50);		
		}
		
		for (uint8_t i = 8; i>0;i--)
		{
			led_matrix(i,0);
			HAL_Delay(50);		
		}
		
	while (1)
  {

  /* USER CODE END WHILE */

  /* USER CODE BEGIN 3 */
			if (flag == 0x01)
			{
        HAL_UART_Transmit(&huart1,aTxBuffer1,4,10);    // 接收到数据马上使用串口1发送出去
        HAL_UART_Receive_IT(&huart1,aRxBuffer1,8);      // 重新使能串口1接收中断
				
			for (int i = 1;i<9;i++)
				{
					if(aRxBuffer1[i-1] == '1')
								led_matrix(i,1);
					else
								led_matrix(i,0);
				}				
	flag = 0x00;
			}
  }
			
		
	
	
	
  /* USER CODE END 3 */

}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{

  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_PeriphCLKInitTypeDef PeriphClkInit;

    /**Initializes the CPU, AHB and APB busses clocks 
    */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = 16;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL4;
  RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    _Error_Handler(__FILE__, __LINE__);
  }

    /**Initializes the CPU, AHB and APB busses clocks 
    */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV2;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    _Error_Handler(__FILE__, __LINE__);
  }

  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
  PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    _Error_Handler(__FILE__, __LINE__);
  }

    /**Configure the Systick interrupt time 
    */
  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

    /**Configure the Systick 
    */
  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  /* SysTick_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}

/* TIM14 init function */
static void MX_TIM14_Init(void)
{

  htim14.Instance = TIM14;
  htim14.Init.Prescaler = 800-1;
  htim14.Init.CounterMode = TIM_COUNTERMODE_UP;
  htim14.Init.Period = 10-1;
  htim14.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  htim14.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
  if (HAL_TIM_Base_Init(&htim14) != HAL_OK)
  {
    _Error_Handler(__FILE__, __LINE__);
  }

}

/* USART1 init function */
static void MX_USART1_UART_Init(void)
{

  huart1.Instance = USART1;
  huart1.Init.BaudRate = 38400;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    _Error_Handler(__FILE__, __LINE__);
  }

}

/** Configure pins as 
        * Analog 
        * Input 
        * Output
        * EVENT_OUT
        * EXTI
*/
static void MX_GPIO_Init(void)
{

  GPIO_InitTypeDef GPIO_InitStruct;

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOF_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOF, PF0_Pin|PF1_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOA, Crtl0_Pin|Crtl1_Pin|Crtl2_Pin|Crtl3_Pin 
                          |Crtl4_Pin|Crtl5_Pin|PA8_Pin|H4_Pin 
                          |H3_Pin|H2_Pin|H1_Pin|V2_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOB, Crtl6_Pin|Crtl7_Pin|V1_Pin|PB4_Pin 
                          |PB5_Pin|PB6_Pin|PB7_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pins : PF0_Pin PF1_Pin */
  GPIO_InitStruct.Pin = PF0_Pin|PF1_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);

  /*Configure GPIO pins : Crtl0_Pin Crtl1_Pin Crtl2_Pin Crtl3_Pin 
                           Crtl4_Pin Crtl5_Pin PA8_Pin H4_Pin 
                           H3_Pin H2_Pin H1_Pin V2_Pin */
  GPIO_InitStruct.Pin = Crtl0_Pin|Crtl1_Pin|Crtl2_Pin|Crtl3_Pin 
                          |Crtl4_Pin|Crtl5_Pin|PA8_Pin|H4_Pin 
                          |H3_Pin|H2_Pin|H1_Pin|V2_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /*Configure GPIO pins : Crtl6_Pin Crtl7_Pin V1_Pin PB4_Pin 
                           PB5_Pin PB6_Pin PB7_Pin */
  GPIO_InitStruct.Pin = Crtl6_Pin|Crtl7_Pin|V1_Pin|PB4_Pin 
                          |PB5_Pin|PB6_Pin|PB7_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */
void led_matrix(uint8_t n_led,uint8_t state)
{
	if(state == 0x01)
	{
		switch (n_led)
		{
			case 0x01:
				led_reg = led_reg|0x01;
			break;
			
			case 0x03:
				led_reg = led_reg|0x02;
				break;
			
			case 0x05:
				led_reg = led_reg|0x04;
				break;
			
			case 0x07:
				led_reg = led_reg|0x08;
				break;
			
			case 0x02:
				led_reg = led_reg|0x10;
			break;
			
			case 0x04:
				led_reg = led_reg|0x20;
				break;
			
			case 0x06:
				led_reg = led_reg|0x40;
			break;
			
			case 0x08:
				led_reg = led_reg|0x80;
				break;
		}
	}
	else
	{
			switch (n_led)
		{
			case 0x01:
				led_reg = led_reg&0xfe;
			break;
			
			case 0x03:
				led_reg = led_reg&0xfd;
				break;
			
			case 0x05:
				led_reg = led_reg&0xfb;
			break;
			
			case 0x07:
				led_reg = led_reg&0xf7;
				break;
			
			case 0x02:
				led_reg = led_reg&0xef;
			break;
			
			case 0x04:
				led_reg = led_reg&0xdf;
				break;
			
			case 0x06:
				led_reg = led_reg&0xbf;
			break;
			
			case 0x08:
				led_reg = led_reg&0x7f;
				break;
		}
	}
		
}


void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
	if(htim==&htim14)
	{
		if(v_led == 0x00)
		{
			HAL_GPIO_WritePin(V1_GPIO_Port, V1_Pin,GPIO_PIN_SET);
			HAL_GPIO_WritePin(V2_GPIO_Port, V2_Pin,GPIO_PIN_RESET);
			switch (led_reg&0x01)//1
			{
				case 0x00:
				HAL_GPIO_WritePin(H1_GPIO_Port, H1_Pin,GPIO_PIN_SET);
				break;
				case 0x01:
				HAL_GPIO_WritePin(H1_GPIO_Port, H1_Pin,GPIO_PIN_RESET);
				break;
			}
			
			switch (led_reg&0x02)//3
			{
				case 0x00:
				HAL_GPIO_WritePin(H2_GPIO_Port, H2_Pin,GPIO_PIN_SET);
				break;
				case 0x02:
				HAL_GPIO_WritePin(H2_GPIO_Port, H2_Pin,GPIO_PIN_RESET);
				break;
			}
			
			switch (led_reg&0x04)//5
			{
				case 0x00:
				HAL_GPIO_WritePin(H3_GPIO_Port, H3_Pin,GPIO_PIN_SET);
				break;
				case 0x04:
				HAL_GPIO_WritePin(H3_GPIO_Port, H3_Pin,GPIO_PIN_RESET);
				break;
			}
			
			switch (led_reg&0x08)//7
			{
				case 0x00:
				HAL_GPIO_WritePin(H4_GPIO_Port, H4_Pin,GPIO_PIN_SET);
				break;
				case 0x08:
				HAL_GPIO_WritePin(H4_GPIO_Port, H4_Pin,GPIO_PIN_RESET);
				break;
			}
				
			v_led = 0x01;
		}
		else
		{
			HAL_GPIO_WritePin(V1_GPIO_Port, V1_Pin,GPIO_PIN_RESET);
			HAL_GPIO_WritePin(V2_GPIO_Port, V2_Pin,GPIO_PIN_SET);
			
			switch (led_reg&0x10)//2
			{
				case 0x00:
				HAL_GPIO_WritePin(H1_GPIO_Port, H1_Pin,GPIO_PIN_SET);
				break;
				case 0x10:
				HAL_GPIO_WritePin(H1_GPIO_Port, H1_Pin,GPIO_PIN_RESET);
				break;
			}
			
			switch (led_reg&0x20)//4
			{
				case 0x00:
				HAL_GPIO_WritePin(H2_GPIO_Port, H2_Pin,GPIO_PIN_SET);
				break;
				case 0x20:
				HAL_GPIO_WritePin(H2_GPIO_Port, H2_Pin,GPIO_PIN_RESET);
				break;
			}
			
			switch (led_reg&0x40)
			{
				case 0x00:
				HAL_GPIO_WritePin(H3_GPIO_Port, H3_Pin,GPIO_PIN_SET);
				break;
				case 0x40:
				HAL_GPIO_WritePin(H3_GPIO_Port, H3_Pin,GPIO_PIN_RESET);
				break;
			}
			
			switch (led_reg&0x80)
			{
				case 0x00:
				HAL_GPIO_WritePin(H4_GPIO_Port, H4_Pin,GPIO_PIN_SET);
				break;
				case 0x80:
				HAL_GPIO_WritePin(H4_GPIO_Port, H4_Pin,GPIO_PIN_RESET);
				break;
			}
			
			v_led = 0x00;
		}
	}
}

void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
		if(flag == 0x00)
				flag = 0x01;
	
	// 	HAL_UART_Transmit(&huart1,aRxBuffer1,10,100);    // 接收到数据马上使用串口1发送出去
//        HAL_UART_Receive_IT(&huart1,aRxBuffer1,10);      // 重新使能串口1接收中断
  
}

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @param  file: The file name as string.
  * @param  line: The line in file as a number.
  * @retval None
  */
void _Error_Handler(char *file, int line)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  while(1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t* file, uint32_t line)
{ 
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/