STM32H750XB_RT-THREAD/40-CAN通信实验/CAN—双机通讯/User/main.c

/**
  ******************************************************************
  * @file    main.c
  * @author  fire
  * @version V1.0
  * @date    2019-xx-xx
  * @brief   CAN˫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD>
  ******************************************************************
  * @attention
  *
  * ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32H750 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
  * <EFBFBD><EFBFBD>̳    :http://www.firebbs.cn
  * <EFBFBD>Ա<EFBFBD>    :http://firestm32.taobao.com
  *
  ******************************************************************
  */  
#include "stm32h7xx.h"
#include "main.h"
#include "./led/bsp_led.h"
#include "./usart/bsp_debug_usart.h"
#include "./key/bsp_key.h"
#include "./can/bsp_can.h"

extern FDCAN_HandleTypeDef hfdcan;
FDCAN_RxHeaderTypeDef RxHeader;
uint8_t RxData[12];
/**
  * @brief  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */
int main(void)
{
	/* ʹ<><CAB9>ָ<EFBFBD><EFBFBD><EEBBBA> */
	SCB_EnableICache();
  /* ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD> */
  SCB_EnableDCache();
	/* ϵͳʱ<CDB3>ӳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>480MHz */
	SystemClock_Config();
	/* LED <20>˿ڳ<CBBF>ʼ<EFBFBD><CABC> */
	LED_GPIO_Config();	
	LED_BLUE;
	
	/* <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>1Ϊ<31><CEAA>115200 8-N-1 */
	DEBUG_USART_Config();
	/* <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
	Key_GPIO_Config();
	
	CAN_Config();
	printf("\r\n<EFBFBD><EFBFBD>ӭʹ<EFBFBD><EFBFBD>Ұ<EFBFBD><EFBFBD>  STM32 H750 <20><><EFBFBD><EFBFBD><EFBFBD>塣\r\n");	
	printf("\r\n Ұ<><D2B0>H743 CANͨѶʵ<D1B6><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\r\n");			
	printf("\r\n ʵ<>鲽<EFBFBD>裺\r\n");

	printf("\r\n 1.ʹ<>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӻ<EFBFBD><D3BA><EFBFBD><EFBFBD><EFBFBD>CANѶ<4E>豸\r\n");
	printf("\r\n 2.ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><C3B1><EFBFBD>Ӻ<EFBFBD>:5v --- C/4-5V \r\n");
	printf("\r\n 3.<2E><><EFBFBD>¿<EFBFBD><C2BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>KEY1<59><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>CAN<41><4E><EFBFBD>ⷢ<EFBFBD><E2B7A2>0-11<31><31><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չIDΪ0x1314 \r\n");
	printf("\r\n 4.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CAN<41><4E><EFBFBD>յ<EFBFBD><D5B5><EFBFBD>չIDΪ0x1314<31><34><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD>ڡ<EFBFBD> \r\n");
	printf("\r\n 5.<2E><><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>can<61><6E><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ1MBps<70><73> \r\n");
	while(1)
	{	
		/*<2A><>һ<EFBFBD>ΰ<EFBFBD><CEB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
		if(	Key_Scan(KEY1_GPIO_PORT,KEY1_PIN) == KEY_ON)
		{
			LED_BLUE;			
			/* װ<><D7B0>һ֡<D2BB><D6A1><EFBFBD><EFBFBD> */
			CAN_SetMsg();
			HAL_Delay(100);
			LED_RGBOFF;			
		}
		if(HAL_FDCAN_IsRxBufferMessageAvailable(&hfdcan,FDCAN_RX_BUFFER0))
		{	
			/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ */
			HAL_FDCAN_GetRxMessage(&hfdcan, FDCAN_RX_BUFFER0, &RxHeader, RxData);						
			/*<2A><><EFBFBD>ճɹ<D5B3>*/
			LED_GREEN;
			printf("\r\nCAN<EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>\r\n");	
			CAN_DEBUG_ARRAY(RxData,8); 			
			HAL_Delay(100);
			LED_RGBOFF;
		}
	}
}

/**
  * @brief  System Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  *         system Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: 
	*            System Clock source  = PLL (HSE)
	*            SYSCLK(Hz)           = 480000000 (CPU Clock)
	*            HCLK(Hz)             = 240000000 (AXI and AHBs Clock)
	*            AHB Prescaler        = 2
	*            D1 APB3 Prescaler    = 2 (APB3 Clock  120MHz)
	*            D2 APB1 Prescaler    = 2 (APB1 Clock  120MHz)
	*            D2 APB2 Prescaler    = 2 (APB2 Clock  120MHz)
	*            D3 APB4 Prescaler    = 2 (APB4 Clock  120MHz)
	*            HSE Frequency(Hz)    = 25000000
	*            PLL_M                = 5
	*            PLL_N                = 192
	*            PLL_P                = 2
	*            PLL_Q                = 24
	*            PLL_R                = 2
	*            VDD(V)               = 3.3
	*            Flash Latency(WS)    = 4
  * @param  None
  * @retval None
  */
/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** <20><><EFBFBD>õ<EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ø<EFBFBD><C3B8><EFBFBD>
  */
  HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
  /** <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ
  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);

  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
  /** <20><>ʼ<EFBFBD><CABC>CPU<50><55>AHB<48><42>APB<50><42><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 5;
  RCC_OscInitStruct.PLL.PLLN = 192;
  RCC_OscInitStruct.PLL.PLLP = 2;
  RCC_OscInitStruct.PLL.PLLQ = 24;
  RCC_OscInitStruct.PLL.PLLR = 2;
  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
  RCC_OscInitStruct.PLL.PLLFRACN = 0;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
		while(1);
  }
  /** <20><>ʼ<EFBFBD><CABC>CPU<50><55>AHB<48><42>APB<50><42><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
                              |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  {
		while(1);
  }
}
/****************************END OF FILE***************************/