STM32F103硬件IIC驱动ADXL345（HAL库版）

ADXL345，简称MPU6050弱化版的三轴加速度计，运用IIC接口驱动，再加上STM32CUBEMX以及给力的硬件IIC，绝对实用。

单片机源程序如下:

1. /* USER CODE END Header */
   
2. /* Includes ------------------------------------------------------------------*/
   
3. #include "main.h"
   
4. #include "i2c.h"
   
5. #include "spi.h"
   
6. #include "gpio.h"
   
7. 
   
8. /* Private includes ----------------------------------------------------------*/
   
9. /* USER CODE BEGIN Includes */
   
10. #include "lcd144.h"
    
11. #include "gui.h"
    
12. #include "adxl345.h"
    
13. /* USER CODE END Includes */
    
14. 
    
15. /* Private typedef -----------------------------------------------------------*/
    
16. /* USER CODE BEGIN PTD */
    
17. uint8_t SHENJIAJIA[6];
    
18. int a_x;
    
19. int a_y;
    
20. int a_z;
    
21. /* USER CODE END PTD */
    
22. 
    
23. /* Private define ------------------------------------------------------------*/
    
24. /* USER CODE BEGIN PD */
    
25. /* USER CODE END PD */
    
26. 
    
27. /* Private macro -------------------------------------------------------------*/
    
28. /* USER CODE BEGIN PM */
    
29. 
    
30. /* USER CODE END PM */
    
31. 
    
32. /* Private variables ---------------------------------------------------------*/
    
33. 
    
34. /* USER CODE BEGIN PV */
    
35. 
    
36. /* USER CODE END PV */
    
37. 
    
38. /* Private function prototypes -----------------------------------------------*/
    
39. void SystemClock_Config(void);
    
40. /* USER CODE BEGIN PFP */
    
41. 
    
42. /* USER CODE END PFP */
    
43. 
    
44. /* Private user code ---------------------------------------------------------*/
    
45. /* USER CODE BEGIN 0 */
    
46. 
    
47. /* USER CODE END 0 */
    
48. 
    
49. /**
    
50.   * @brief  The application entry point.
    
51.   * @retval int
    
52.   */
    
53. int main(void)
    
54. {
    
55.   /* USER CODE BEGIN 1 */
    
56. 
    
57.   /* USER CODE END 1 */
    
58. 
    
59.   /* MCU Configuration--------------------------------------------------------*/
    
60. 
    
61.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    
62.   HAL_Init();
    
63. 
    
64.   /* USER CODE BEGIN Init */
    
65. 
    
66.   /* USER CODE END Init */
    
67. 
    
68.   /* Configure the system clock */
    
69.   SystemClock_Config();
    
70. 
    
71.   /* USER CODE BEGIN SysInit */
    
72. 
    
73.   /* USER CODE END SysInit */
    
74. 
    
75.   /* Initialize all configured peripherals */
    
76.   MX_GPIO_Init();
    
77.   MX_SPI2_Init();
    
78.   MX_I2C1_Init();
    
79.   /* USER CODE BEGIN 2 */
    
80.         Lcd_Init();
    
81.   /* USER CODE END 2 */
    
82. 
    
83.   /* Infinite loop */
    
84.   /* USER CODE BEGIN WHILE */
    
85.         Init_ADXL345();
    
86.   while (1)
    
87.   {
    
88.     /* USER CODE END WHILE */
    
89. 
    
90.     /* USER CODE BEGIN 3 */
    
91.                 Multiple_Read_ADXL345(SHENJIAJIA);   
    
92.                 a_x=Cauculate_X(SHENJIAJIA);
    
93.                 a_y=Cauculate_Y(SHENJIAJIA);
    
94.                 a_z=Cauculate_Z(SHENJIAJIA);
    
95.                 if(a_x<0)
    
96.                 {
    
97.                         a_x=-a_x;
    
98.                         Gui_DrawFont_GBK16(0,0,BLACK,WHITE,"-");                       
    
99.                 }
    
100.                 if(a_y<0)
     
101.                 {
     
102.                         a_y=-a_y;
     
103.                         Gui_DrawFont_GBK16(0,16,BLACK,WHITE,"-");                       
     
104.                 }
     
105.                 if(a_z<0)
     
106.                 {
     
107.                         a_z=-a_z;
     
108.                         Gui_DrawFont_GBK16(0,32,BLACK,WHITE,"-");                       
     
109.                 }
     
110.                 Gui_DrawFont_Num32(32,0,BLACK,WHITE,a_x);
     
111.                 Gui_DrawFont_Num32(32,16,BLACK,WHITE,a_y);
     
112.                 Gui_DrawFont_Num32(32,32,BLACK,WHITE,a_z);
     
113.                 //Lcd_Clear(WHITE);
     
114.                 HAL_Delay(500);
     
115.   }
     
116.   /* USER CODE END 3 */
     
117. }
     
118. 
     
119. /**
     
120.   * @brief System Clock Configuration
     
121.   * @retval None
     
122.   */
     
123. void SystemClock_Config(void)
     
124. {
     
125.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
     
126.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
     
127. 
     
128.   /** Initializes the RCC Oscillators according to the specified parameters
     
129.   * in the RCC_OscInitTypeDef structure.
     
130.   */
     
131.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
     
132.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
     
133.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
     
134.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
     
135.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
     
136.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
     
137.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
     
138.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
     
139.   {
     
140.     Error_Handler();
     
141.   }
     
142.   /** Initializes the CPU, AHB and APB buses clocks
     
143.   */
     
144.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
     
145.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
     
146.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
     
147.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
     
148.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
     
149.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
     
150. 
     
151.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
     
152.   {
     
153.     Error_Handler();
     
154.   }
     
155.   /** Enables the Clock Security System
     
156.   */
     
157.   HAL_RCC_EnableCSS();
     
158. }
     
159. 
     
160. /* USER CODE BEGIN 4 */
     
161. 
     
162. /* USER CODE END 4 */
     
163. 
     
164. /**
     
165.   * @brief  This function is executed in case of error occurrence.
     
166.   * @retval None
     
167.   */
     
168. void Error_Handler(void)
     
169. {
     
170.   /* USER CODE BEGIN Error_Handler_Debug */
     
171.   /* User can add his own implementation to report the HAL error return state */
     
172.   __disable_irq();
     
173.   while (1)
     
174.   {
     
175.   }
     
176.   /* USER CODE END Error_Handler_Debug */
     
177. }
     
178. 
     
179. #ifdef  USE_FULL_ASSERT
     
180. /**
     
181.   * @brief  Reports the name of the source file and the source line number
     
182.   *         where the assert_param error has occurred.
     
183.   * @param  file: pointer to the source file name
     
184.   * @param  line: assert_param error line source number
     
185.   * @retval None
     
186.   */
     
187. void assert_failed(uint8_t *file, uint32_t line)
     
188. {
     
189.   /* USER CODE BEGIN 6 */
     
190.   /* User can add his own implementation to report the file name and line number,
     
191.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
     
192.   /* USER CODE END 6 */
     
193. }
     
194. #endif /* USE_FULL_ASSERT */
     

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ADXL345 TFT1.44(ST7735).7z (5.23 MB, 下载次数: 106)

2021-3-14 18:45 上传

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