結合網上的程序寫了自己的程序。一開始參考了這里:https://blog.csdn.net/Jodan132/a ... -baidujs-1.nonecase
后來發現那個代碼有兩個坑:一個是IIC地址不對勁,一般來說如果A0是低電平的話應該是0xd0和0xd1(讀寫地址)。還有一個比較無語的坑就是:陀螺儀輸出數據寄存器的低八位和高八位放反了。一開始這一段我根本沒仔細看,結果輸出的數據非常不穩定,數值也很詭異。。。。。。
修改好之后加上了數據轉換,加速度單位是g,角速度單位是°/s。
單片機main函數所在文件如下:
- /* USER CODE BEGIN Header */
- /**
- ******************************************************************************
- * @file : main.c
- * @brief : Main program body
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2020 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the "License"; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
- /* USER CODE END Header */
- /* Includes ------------------------------------------------------------------*/
- #include "main.h"
- #include "i2c.h"
- #include "usart.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 */
- #define ADDRESS_Write 0Xd0
- #define ADDRESS_Read 0Xd1
- #define PWR_MGMT_1 0x6B //電源管理,0X00喚醒MPU6050
- #define SMPLRT_DIV 0X19 //陀螺儀采樣率
- #define CONFIG 0X1A //低通濾波
- #define GYRO_CONFIG 0X1B //陀螺儀自檢及測量
- #define ACCEL_CONFIG 0X1C //加速度自檢,測量范圍及高通濾波頻率
- #define TEMP_OUT_H 0X41
- #define TEMP_OUT_L 0X42
- #define ACCEL_XOUT_H 0X3B
- #define ACCEL_XOUT_L 0X3C
- #define ACCEL_YOUT_H 0X3D
- #define ACCEL_YOUT_L 0X3E
- #define ACCEL_ZOUT_H 0X3F
- #define ACCEL_ZOUT_L 0X40
- #define GYRO_XOUT_H 0X43
- #define GYRO_XOUT_L 0X44
- #define GYRO_YOUT_H 0X45
- #define GYRO_YOUT_L 0X46
- #define GYRO_ZOUT_H 0X47
- #define GYRO_ZOUT_L 0X48
- #define MPU6050_ADRESS_ADO_LOW 0X68 // adress pin low
- #define MPU6050_ADRESS_ADO_HIGH 0X69// adress pin high
- int x=0,y=0,z=0,wx=0,wy=0,wz=0,t=0;
- unsigned char flag=0;
- unsigned long XB=0,YB=0,ZB=0,i,j;
- unsigned char display[5];
- /* USER CODE END PD */
- /* Private macro -------------------------------------------------------------*/
- /* USER CODE BEGIN PM */
- void InitMPU6050(void)
- {
- uint8_t temp;
- temp = 0x00;
- HAL_I2C_Mem_Write(&hi2c1, ADDRESS_Write, PWR_MGMT_1, I2C_MEMADD_SIZE_8BIT, &temp, 1, 0x10);
- temp = 0x07;
- HAL_I2C_Mem_Write(&hi2c1, ADDRESS_Write, SMPLRT_DIV, I2C_MEMADD_SIZE_8BIT, &temp, 1, 0x10);
- temp = 0x06;
- HAL_I2C_Mem_Write(&hi2c1, ADDRESS_Write, CONFIG, I2C_MEMADD_SIZE_8BIT, &temp, 1, 0x10);
- temp = 0x00;
- HAL_I2C_Mem_Write(&hi2c1, ADDRESS_Write, GYRO_CONFIG, I2C_MEMADD_SIZE_8BIT, &temp, 1, 0x10);
- temp = 0x01;
- HAL_I2C_Mem_Write(&hi2c1, ADDRESS_Write, ACCEL_CONFIG, I2C_MEMADD_SIZE_8BIT, &temp, 1, 0x10);
- }
- void BspMpu6050_test(int *x, int *y, int *z,int *t,int *wx,int *wy,int *wz)
- {
- uint8_t mpu6050_value[2];
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , ACCEL_XOUT_H, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[0], 1, 0x10);
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , ACCEL_XOUT_L, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[1], 1, 0x10);
- *x =( mpu6050_value[0] << 8) + mpu6050_value[1];
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , ACCEL_YOUT_H, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[0], 1, 0x10);
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , ACCEL_YOUT_L, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[1], 1, 0x10);
- *y =( mpu6050_value[0] << 8 )+ mpu6050_value[1];
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , ACCEL_ZOUT_H, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[0], 1, 0x10);
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , ACCEL_ZOUT_L, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[1], 1, 0x10);
- *z =( mpu6050_value[0] << 8) + mpu6050_value[1];
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , TEMP_OUT_H, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[0], 1, 0x10);
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , TEMP_OUT_L, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[1], 1, 0x10);
- *t =( mpu6050_value[0] << 8) + mpu6050_value[1];
-
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read ,GYRO_XOUT_H , I2C_MEMADD_SIZE_8BIT, &mpu6050_value[0], 1, 0x10);
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read ,GYRO_XOUT_L, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[1], 1, 0x10);
- *wx =( mpu6050_value[0] << 8) + mpu6050_value[1];
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , GYRO_YOUT_H , I2C_MEMADD_SIZE_8BIT, &mpu6050_value[0], 1, 0x10);
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , GYRO_YOUT_L, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[1], 1, 0x10);
- *wy =( mpu6050_value[0] << 8 )+ mpu6050_value[1];
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , GYRO_ZOUT_H, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[0], 1, 0x10);
- HAL_I2C_Mem_Read(&hi2c1, ADDRESS_Read , GYRO_ZOUT_L, I2C_MEMADD_SIZE_8BIT, &mpu6050_value[1], 1, 0x10);
- *wz =( mpu6050_value[0] << 8) + mpu6050_value[1];
-
- }
- void convert(unsigned int a){
- unsigned char i,j;
- unsigned long b;
- b=1;
- for(i=0;i<5;i++){
- for(j=0;j<(5-i);j++)b*=10;
- b/=10;
- display[i]=a/b%10+48;
- b=1;}}
-
-
- /* 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 */
- /* 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_I2C1_Init();
- MX_USART1_UART_Init();
- /* USER CODE BEGIN 2 */
- InitMPU6050();
- /* USER CODE END 2 */
- /* Infinite loop */
- /* USER CODE BEGIN WHILE */
- while (1)
- {
- /* USER CODE END WHILE */
- /* USER CODE BEGIN 3 */
- /*for(i=0;i<100;i++){
- BspMpu6050_test(&x,&y,&z);
- XB+=x;YB+=y;ZB+=z;}
- XB/=100;
- YB/=100;
- ZB/=100;*/
- BspMpu6050_test(&x,&y,&z,&t,&wx,&wy,&wz);
- if(x>32768){flag=1;x=65536-x;}
- else flag=0;
- x*=0.61035;
- convert(x);
- HAL_UART_Transmit(&huart1,(uint8_t*)"x:",2,0xFFFF);
- if(flag==1)HAL_UART_Transmit(&huart1,(uint8_t*)" -",2,0XFFFF);
- else HAL_UART_Transmit(&huart1,(uint8_t*)" +",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display,1,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)" .",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display+1,4,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)"\t\n",2,0xFFFF);
- //HAL_UART_Transmit(&huart1,(uint8_t*)x,2,0xFFFF);
-
- //HAL_Delay(500);
- if(y>32768){flag=1;y=65536-y;}
- else flag=0;
- y*=0.61035;
- convert(y);
- HAL_UART_Transmit(&huart1,(uint8_t*)"y:",2,0xFFFF);
- if(flag==1)HAL_UART_Transmit(&huart1,(uint8_t*)" -",2,0XFFFF);
- else HAL_UART_Transmit(&huart1,(uint8_t*)" +",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display,1,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)" .",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display+1,4,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)"\t\n",2,0xFFFF);
- //HAL_Delay(500);
- if(z>32768){flag=1;z=65536-z;}
- else flag=0;
- z*=0.61035;
- convert(z);
- HAL_UART_Transmit(&huart1,(uint8_t*)"z:",2,0xFFFF);
- if(flag==1)HAL_UART_Transmit(&huart1,(uint8_t*)" -",2,0XFFFF);
- else HAL_UART_Transmit(&huart1,(uint8_t*)" +",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display,1,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)" .",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display+1,4,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)"\t\n",2,0xFFFF);
- //HAL_Delay(500);
- /*if(t>32768){flag=1;t=65536-t;}
- else flag=0;
- t*=0.61035;
- convert(t);
- HAL_UART_Transmit(&huart1,(uint8_t*)"t:",2,0xFFFF);
- if(flag==1)HAL_UART_Transmit(&huart1,(uint8_t*)'-',1,0XFFFF);
- else HAL_UART_Transmit(&huart1,(uint8_t*)'+',1,0XFFFF);
- HAL_UART_Transmit(&huart1,display,1,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)'.',1,0XFFFF);
- HAL_UART_Transmit(&huart1,display+1,4,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)"\t\n",2,0xFFFF);*/
- if(wx>32768){flag=1;wx=65536-wx;}
- else flag=0;
- wx*=0.76294;
- convert(wx);
- HAL_UART_Transmit(&huart1,(uint8_t*)"wx:",3,0xFFFF);
- if(flag==1)HAL_UART_Transmit(&huart1,(uint8_t*)" -",2,0XFFFF);
- else HAL_UART_Transmit(&huart1,(uint8_t*)" +",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display,3,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)" .",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display+3,2,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)"\t\n",2,0xFFFF);
- if(wy>32768){flag=1;wy=65536-wy;}
- else flag=0;
- wy*=0.76294;
- convert(wy);
- HAL_UART_Transmit(&huart1,(uint8_t*)"wy:",3,0xFFFF);
- if(flag==1)HAL_UART_Transmit(&huart1,(uint8_t*)" -",2,0XFFFF);
- else HAL_UART_Transmit(&huart1,(uint8_t*)" +",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display,3,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)" .",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display+3,2,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)"\t\n",2,0xFFFF);
- if(wz>32768){flag=1;wz=65536-wz;}
- else flag=0;
- wz*=0.76294;
- convert(wz);
- HAL_UART_Transmit(&huart1,(uint8_t*)"wz:",3,0xFFFF);
- if(flag==1)HAL_UART_Transmit(&huart1,(uint8_t*)" -",2,0XFFFF);
- else HAL_UART_Transmit(&huart1,(uint8_t*)" +",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display,3,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)" .",2,0XFFFF);
- HAL_UART_Transmit(&huart1,display+3,2,0xFFFF);
- HAL_UART_Transmit(&huart1,(uint8_t*)"\t\n",2,0xFFFF);
- }
- /* USER CODE END 3 */
- }
- /**
- * @brief System Clock Configuration
- * @retval None
- */
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
- /** Supply configuration update enable
- */
- HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
- /** Configure the main internal regulator output voltage
- */
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
- while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
- /** Initializes the CPU, AHB and APB busses clocks
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
- RCC_OscInitStruct.HSIState = RCC_HSI_DIV1;
- RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- /** Initializes the CPU, AHB and APB busses clocks
- */
- 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_HSI;
- RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1;
- RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV1;
- RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV1;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
- {
- Error_Handler();
- }
- PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_I2C1;
- PeriphClkInitStruct.Usart16ClockSelection = RCC_USART16CLKSOURCE_D2PCLK2;
- PeriphClkInitStruct.I2c123ClockSelection = RCC_I2C123CLKSOURCE_D2PCLK1;
- if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- }
- /* USER CODE BEGIN 4 */
- /* USER CODE END 4 */
- /**
- * @brief This function is executed in case of error occurrence.
- * @retval None
- */
- void Error_Handler(void)
- {
- /* USER CODE BEGIN Error_Handler_Debug */
- /* User can add his own implementation to report the HAL error return state */
- /* 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****/
復制代碼
完整的代碼(包含外設,適用于STM32H750)+CubeMX工程放在了一起。
MPUexperiment.7z
(1.86 MB, 下載次數: 54)
2020-8-8 15:38 上傳
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