標(biāo)題: stm32f411通過(guò)硬件i2c讀取mup9250數(shù)據(jù)的程序 [打印本頁(yè)]
作者: tangfq2017    時(shí)間: 2018-5-25 11:57
標(biāo)題: stm32f411通過(guò)硬件i2c讀取mup9250數(shù)據(jù)的程序
stm32f411通過(guò)硬件i2c讀取數(shù)據(jù)的程序

單片機(jī)源程序如下:
  1. /* Includes ------------------------------------------------------------------*/
  2. #include "main.h"
  3. #include "stm32f4xx_hal.h"
  4. #include "i2c.h"
  5. #include "usart.h"
  6. #include "gpio.h"
  7. #include "mpu9250.h"


  10. /* Private function prototypes -----------------------------------------------*/
  11. void SystemClock_Config(void);

  13. int main(void)
  14. {
  15.          short Accel[3];
  16.        
  17.   HAL_Init();
  18.   SystemClock_Config();
  19.   MX_GPIO_Init();
  20.   MX_USART2_UART_Init();
  21.   MX_I2C1_Init();
  22.         MPU9250_Init();
  23.         MPU9250_ID();

  25.   while (1)
  26.   {
  27.                 MPU9250ReadAcc(Accel);
  28.                 printf("%8d ,%8d ,%8d\r\n",Accel[0],Accel[1],Accel[2]);
  29.                 HAL_Delay(1);


  32.   }

  34. }

  36. /**
  37.   * @brief System Clock Configuration
  38.   * @retval None
  39.   */
  40. void SystemClock_Config(void)
  41. {

  43.   RCC_OscInitTypeDef RCC_OscInitStruct;
  44.   RCC_ClkInitTypeDef RCC_ClkInitStruct;

  46.     /**Configure the main internal regulator output voltage
  47.     */
  48.   __HAL_RCC_PWR_CLK_ENABLE();

  50.   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  52.     /**Initializes the CPU, AHB and APB busses clocks
  53.     */
  54.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  55.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  56.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  57.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  58.   RCC_OscInitStruct.PLL.PLLM = 8;
  59.   RCC_OscInitStruct.PLL.PLLN = 144;
  60.   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  61.   RCC_OscInitStruct.PLL.PLLQ = 4;
  62.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  63.   {
  64.     _Error_Handler(__FILE__, __LINE__);
  65.   }

  67.     /**Initializes the CPU, AHB and APB busses clocks
  68.     */
  69.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  70.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  71.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  72.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  73.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  74.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  76.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  77.   {
  78.     _Error_Handler(__FILE__, __LINE__);
  79.   }

  81.     /**Configure the Systick interrupt time
  82.     */
  83.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  85.     /**Configure the Systick
  86.     */
  87.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  89.   /* SysTick_IRQn interrupt configuration */
  90.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  91. }


  94. void _Error_Handler(char *file, int line)
  95. {
  96.   /* USER CODE BEGIN Error_Handler_Debug */
  97.   /* User can add his own implementation to report the HAL error return state */
  98.   while(1)
  99.   {
  100.   }
  101.   /* USER CODE END Error_Handler_Debug */
  102. }

  104. #ifdef  USE_FULL_ASSERT
  105. /**
  106.   * @brief  Reports the name of the source file and the source line number
  107.   *         where the assert_param error has occurred.
  108.   * @param  file: pointer to the source file name
  109.   * @param  line: assert_param error line source number
  110.   * @retval None
  111.   */
  112. void assert_failed(uint8_t* file, uint32_t line)
  113. {
  114.   /* USER CODE BEGIN 6 */
  115.   /* User can add his own implementation to report the file name and line number,
  116.      tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  117.   /* USER CODE END 6 */
  118. }
  119. #endif /* USE_FULL_ASSERT */

  121. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
復(fù)制代碼

所有資料51hei提供下載:
stm32f411_mup9250.rar (504.16 KB, 下載次數(shù): 57)


作者: entertaining    時(shí)間: 2018-7-26 11:29
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作者: hilam    時(shí)間: 2018-7-26 19:04

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