1. /**
2.   ******************************************************************************
3.   * @file           : main.c
4.   * @brief          : Main program body
5.   ******************************************************************************
6.   ** This notice applies to any and all portions of this file
7.   * that are not between comment pairs USER CODE BEGIN and
8.   * USER CODE END. Other portions of this file, whether
9.   * inserted by the user or by software development tools
10.   * are owned by their respective copyright owners.
11.   *
12.   * COPYRIGHT(c) 2018 STMicroelectronics
13.   *
14.   * Redistribution and use in source and binary forms, with or without modification,
15.   * are permitted provided that the following conditions are met:
16.   *   1. Redistributions of source code must retain the above copyright notice,
17.   *      this list of conditions and the following disclaimer.
18.   *   2. Redistributions in binary form must reproduce the above copyright notice,
19.   *      this list of conditions and the following disclaimer in the documentation
20.   *      and/or other materials provided with the distribution.
21.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
22.   *      may be used to endorse or promote products derived from this software
23.   *      without specific prior written permission.
24.   *
25.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
29.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
32.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
33.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35.   *
36.   ******************************************************************************
37.   */
38. /* Includes ------------------------------------------------------------------*/
39. #include "main.h"
40. #include "stm32f3xx_hal.h"
41. #include "i2c.h"
42. #include "spi.h"
43. #include "usb.h"
44. #include "gpio.h"
45.  
46. /* USER CODE BEGIN Includes */
47.  
48. /* USER CODE END Includes */
49.  
50. /* Private variables ---------------------------------------------------------*/
51.  
52. /* USER CODE BEGIN PV */
53. unsigned char dataTx,dataRx,rawValue[6] ;
54. signed short rawMeasurement[3];
55. float measurements[0];
56. /* Private variables ---------------------------------------------------------*/
57.  
58. /* USER CODE END PV */
59.  
60. /* Private function prototypes -----------------------------------------------*/
61. void SystemClock_Config(void);
62.  
63. /* USER CODE BEGIN PFP */
64. /* Private function prototypes -----------------------------------------------*/
65.  
66. /* USER CODE END PFP */
67.  
68. /* USER CODE BEGIN 0 */
69.  
70. /* USER CODE END 0 */
71.  
72. /**
73.   * @brief  The application entry point.
74.   *
75.   * @retval None
76.   */
77. int main(void)
78. {
79.   /* USER CODE BEGIN 1 */
80.  
81.   /* USER CODE END 1 */
82.  
83.   /* MCU Configuration----------------------------------------------------------*/
84.  
85.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
86.   HAL_Init();
87.  
88.   /* USER CODE BEGIN Init */
89.  
90.   /* USER CODE END Init */
91.  
92.   /* Configure the system clock */
93.   SystemClock_Config();
94.  
95.   /* USER CODE BEGIN SysInit */
96.  
97.   /* USER CODE END SysInit */
98.  
99.   /* Initialize all configured peripherals */
100.   MX_GPIO_Init();
101.   MX_I2C1_Init();
102.   MX_SPI1_Init();
103.   MX_USB_PCD_Init();
104.   /* USER CODE BEGIN 2 */
105.         dataTx=0x0F|0x80;
106.         HAL_GPIO_WritePin(GPIOE,GPIO_PIN_3,GPIO_PIN_RESET);
107.   HAL_SPI_Transmit(&hspi1,&dataTx,1,100);
108.         HAL_SPI_Receive(&hspi1,&dataRx,1,100);
109.         HAL_GPIO_WritePin(GPIOE,GPIO_PIN_3,GPIO_PIN_RESET);
110.  
111. /* set configration for the CTRL1 */
112. L3GD20Unit.Power.Mode=L3GD20_MODE_ACTIVE;
113. L3GD20Unit.Band.Width=L3GD20_BANDWITH_1;
114. L3GD20Unit.Axes.Enable=L3GD20_AXES_ENABLE;
115. L3GD20Unit.Full_Scale=L3GD20_FULLSCALE_20;
116. L3GD20Init.Output_DateRate=L3GD20_OUTPUT_DATARATE_380HZ;
117. L3GD20Init.Endianness=L3GD20_BLE_MSB;
118. LG3D20_Init(&L3GD20Init)
119.  
120.  
121.  
122.  
123.   /* USER CODE END 2 */
124.  
125.   /* Infinite loop */
126.   /* USER CODE BEGIN WHILE */
127.   while (1)
128.   {
129.  
130.   /* USER CODE END WHILE */
131.  
132.   /* USER CODE BEGIN 3 */
133.         dataTx=0x28|0x80|0x40;
134.         HAL_GPIO_WritePin(GPIOE,GPIO_PIN_3,GPIO_PIN_RESET);
135.                 HAL_SPI_Transmit(&hspi1,&dataTx,1,100);
136.         HAL_SPI_Receive(&hspi1,rawValue,6,100);
137.         HAL_GPIO_WritePin(GPIOE,GPIO_PIN_3,GPIO_PIN_RESET);
138.                
139.                 /*  group seperate register value in 16bits measurements    */
140.                 rawMeasurement[0]= (signed short)rawValue[0] + (signed short)rawValue[1]*256 ;
141.                         rawMeasurement[1]=(signed short) rawValue[2] + (signed short)rawValue[3]*256 ;
142.                                 rawMeasurement[2]=(signed short) rawValue[4] + (signed short)rawValue[5]*256 ;
143.                
144.   }
145.   /* USER CODE END 3 */
146.  
147. }
148.  
149. /**
150.   * @brief System Clock Configuration
151.   * @retval None
152.   */
153. void SystemClock_Config(void)
154. {
155.  
156.   RCC_OscInitTypeDef RCC_OscInitStruct;
157.   RCC_ClkInitTypeDef RCC_ClkInitStruct;
158.   RCC_PeriphCLKInitTypeDef PeriphClkInit;
159.  
160.     /**Initializes the CPU, AHB and APB busses clocks
161.     */
162.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSE;
163.   RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
164.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
165.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
166.   RCC_OscInitStruct.HSICalibrationValue = 16;
167.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
168.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
169.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
170.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
171.   {
172.     _Error_Handler(__FILE__, __LINE__);
173.   }
174.  
175.     /**Initializes the CPU, AHB and APB busses clocks
176.     */
177.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
178.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
179.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
180.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
181.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
182.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
183.  
184.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
185.   {
186.     _Error_Handler(__FILE__, __LINE__);
187.   }
188.  
189.   PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB|RCC_PERIPHCLK_I2C1;
190.   PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_HSI;
191.   PeriphClkInit.USBClockSelection = RCC_USBCLKSOURCE_PLL;
192.   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
193.   {
194.     _Error_Handler(__FILE__, __LINE__);
195.   }
196.  
197.     /**Configure the Systick interrupt time
198.     */
199.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
200.  
201.     /**Configure the Systick
202.     */
203.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
204.  
205.   /* SysTick_IRQn interrupt configuration */
206.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
207. }
208.  
209. /* USER CODE BEGIN 4 */
210.  
211. /* USER CODE END 4 */
212.  
213. /**
214.   * @brief  This function is executed in case of error occurrence.
215.   * @param  file: The file name as string.
216.   * @param  line: The line in file as a number.
217.   * @retval None
218.   */
219. void _Error_Handler(char *file, int line)
220. {
221.   /* USER CODE BEGIN Error_Handler_Debug */
222.   /* User can add his own implementation to report the HAL error return state */
223.   while(1)
224.   {
225.   }
226.   /* USER CODE END Error_Handler_Debug */
227. }
228.  
229. #ifdef  USE_FULL_ASSERT
230. /**
231.   * @brief  Reports the name of the source file and the source line number
232.   *         where the assert_param error has occurred.
233.   * @param  file: pointer to the source file name
234.   * @param  line: assert_param error line source number
235.   * @retval None
236.   */
237. void assert_failed(uint8_t* file, uint32_t line)
238. {
239.   /* USER CODE BEGIN 6 */
240.   /* User can add his own implementation to report the file name and line number,
241.      tex: printf("Wrong parameters value: file %s on line %drn", file, line) */
242.   /* USER CODE END 6 */
243. }
244. #endif /* USE_FULL_ASSERT */
245.  
246. /**
247.   * @}
248.   */
249.  
250. /**
251.   * @}
252.   */
253.  
254. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
255.