1.  
2. /**
3.   ******************************************************************************
4.   * @file           : main.c
5.   * @brief          : Main program body
6.   ******************************************************************************
7.   ** This notice applies to any and all portions of this file
8.   * that are not between comment pairs USER CODE BEGIN and
9.   * USER CODE END. Other portions of this file, whether
10.   * inserted by the user or by software development tools
11.   * are owned by their respective copyright owners.
12.   *
13.   * COPYRIGHT(c) 2019 STMicroelectronics
14.   *
15.   * Redistribution and use in source and binary forms, with or without modification,
16.   * are permitted provided that the following conditions are met:
17.   *   1. Redistributions of source code must retain the above copyright notice,
18.   *      this list of conditions and the following disclaimer.
19.   *   2. Redistributions in binary form must reproduce the above copyright notice,
20.   *      this list of conditions and the following disclaimer in the documentation
21.   *      and/or other materials provided with the distribution.
22.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
23.   *      may be used to endorse or promote products derived from this software
24.   *      without specific prior written permission.
25.   *
26.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
29.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
30.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
33.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
34.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36.   *
37.   ******************************************************************************
38.   */
39. /* Includes ------------------------------------------------------------------*/
40. #include "main.h"
41. #include "stm32f3xx_hal.h"
42.  
43. /* USER CODE BEGIN Includes */
44.  
45. /* USER CODE END Includes */
46.  
47. /* Private variables ---------------------------------------------------------*/
48. ADC_HandleTypeDef hadc3;
49.  
50. /* USER CODE BEGIN PV */
51. /* Private variables ---------------------------------------------------------*/
52.  
53. /* USER CODE END PV */
54.  
55. /* Private function prototypes -----------------------------------------------*/
56. void SystemClock_Config(void);
57. static void MX_GPIO_Init(void);
58. static void MX_ADC3_Init(void);
59.  
60. /* USER CODE BEGIN PFP */
61. /* Private function prototypes -----------------------------------------------*/
62.  
63. /* USER CODE END PFP */
64.  
65. /* USER CODE BEGIN 0 */
66.  
67. /* USER CODE END 0 */
68.  
69. /**
70.   * @brief  The application entry point.
71.   *
72.   * @retval None
73.   */
74. int main(void)
75. {
76.   /* USER CODE BEGIN 1 */
77.  
78.   /* USER CODE END 1 */
79.  
80.   /* MCU Configuration----------------------------------------------------------*/
81.  
82.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
83.   HAL_Init();
84.  
85.   /* USER CODE BEGIN Init */
86.  
87.   /* USER CODE END Init */
88.  
89.   /* Configure the system clock */
90.   SystemClock_Config();
91.  
92.   /* USER CODE BEGIN SysInit */
93.  
94.   /* USER CODE END SysInit */
95.  
96.   /* Initialize all configured peripherals */
97.   MX_GPIO_Init();
98.   MX_ADC3_Init();
99.   /* USER CODE BEGIN 2 */
100.  
101.   /* USER CODE END 2 */
102.  
103.   /* Infinite loop */
104.   /* USER CODE BEGIN WHILE */
105.   while (1)
106.   {
107.                 HAL_ADC_Start(&hadc3);
108.                 for(int i=0;i<3;i++){
109.                 if(HAL_ADC_PollForConversion(&hadc3,200)==HAL_OK){
110.                 data[i]=HAL_ADC_GetValue(&hadc3);
111.                 }
112.   /* USER CODE END WHILE */
113.  
114.   /* USER CODE BEGIN 3 */
115.  
116.   }
117.   /* USER CODE END 3 */
118.  
119. }
120.  
121. /**
122.   * @brief System Clock Configuration
123.   * @retval None
124.   */
125. void SystemClock_Config(void)
126. {
127.  
128.   RCC_OscInitTypeDef RCC_OscInitStruct;
129.   RCC_ClkInitTypeDef RCC_ClkInitStruct;
130.   RCC_PeriphCLKInitTypeDef PeriphClkInit;
131.  
132.     /**Initializes the CPU, AHB and APB busses clocks
133.     */
134.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
135.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
136.   RCC_OscInitStruct.HSICalibrationValue = 16;
137.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
138.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
139.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12;
140.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
141.   {
142.     _Error_Handler(__FILE__, __LINE__);
143.   }
144.  
145.     /**Initializes the CPU, AHB and APB busses clocks
146.     */
147.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
148.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
149.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
150.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
151.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
152.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
153.  
154.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
155.   {
156.     _Error_Handler(__FILE__, __LINE__);
157.   }
158.  
159.   PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC34;
160.   PeriphClkInit.Adc34ClockSelection = RCC_ADC34PLLCLK_DIV1;
161.   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
162.   {
163.     _Error_Handler(__FILE__, __LINE__);
164.   }
165.  
166.     /**Configure the Systick interrupt time
167.     */
168.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
169.  
170.     /**Configure the Systick
171.     */
172.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
173.  
174.   /* SysTick_IRQn interrupt configuration */
175.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
176. }
177.  
178. /* ADC3 init function */
179. static void MX_ADC3_Init(void)
180. {
181.  
182.   ADC_MultiModeTypeDef multimode;
183.   ADC_ChannelConfTypeDef sConfig;
184.  
185.     /**Common config
186.     */
187.   hadc3.Instance = ADC3;
188.   hadc3.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
189.   hadc3.Init.Resolution = ADC_RESOLUTION_12B;
190.   hadc3.Init.ScanConvMode = ADC_SCAN_DISABLE;
191.   hadc3.Init.ContinuousConvMode = ENABLE;
192.   hadc3.Init.DiscontinuousConvMode = DISABLE;
193.   hadc3.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
194.   hadc3.Init.ExternalTrigConv = ADC_SOFTWARE_START;
195.   hadc3.Init.DataAlign = ADC_DATAALIGN_RIGHT;
196.   hadc3.Init.NbrOfConversion = 1;
197.   hadc3.Init.DMAContinuousRequests = DISABLE;
198.   hadc3.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
199.   hadc3.Init.LowPowerAutoWait = DISABLE;
200.   hadc3.Init.Overrun = ADC_OVR_DATA_OVERWRITTEN;
201.   if (HAL_ADC_Init(&hadc3) != HAL_OK)
202.   {
203.     _Error_Handler(__FILE__, __LINE__);
204.   }
205.  
206.     /**Configure the ADC multi-mode
207.     */
208.   multimode.Mode = ADC_MODE_INDEPENDENT;
209.   if (HAL_ADCEx_MultiModeConfigChannel(&hadc3, &multimode) != HAL_OK)
210.   {
211.     _Error_Handler(__FILE__, __LINE__);
212.   }
213.  
214.     /**Configure Regular Channel
215.     */
216.   sConfig.Channel = ADC_CHANNEL_5;
217.   sConfig.Rank = ADC_REGULAR_RANK_1;
218.   sConfig.SingleDiff = ADC_SINGLE_ENDED;
219.   sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
220.   sConfig.OffsetNumber = ADC_OFFSET_NONE;
221.   sConfig.Offset = 0;
222.   if (HAL_ADC_ConfigChannel(&hadc3, &sConfig) != HAL_OK)
223.   {
224.     _Error_Handler(__FILE__, __LINE__);
225.   }
226.  
227. }
228.  
229. /** Configure pins as
230.         * Analog
231.         * Input
232.         * Output
233.         * EVENT_OUT
234.         * EXTI
235.      PA5   ------> SPI1_SCK
236.      PA6   ------> SPI1_MISO
237.      PA7   ------> SPI1_MOSI
238.      PA11   ------> USB_DM
239.      PA12   ------> USB_DP
240.      PB6   ------> I2C1_SCL
241.      PB7   ------> I2C1_SDA
242. */
243. static void MX_GPIO_Init(void)
244. {
245.  
246.   GPIO_InitTypeDef GPIO_InitStruct;
247.  
248.   /* GPIO Ports Clock Enable */
249.   __HAL_RCC_GPIOE_CLK_ENABLE();
250.   __HAL_RCC_GPIOC_CLK_ENABLE();
251.   __HAL_RCC_GPIOF_CLK_ENABLE();
252.   __HAL_RCC_GPIOA_CLK_ENABLE();
253.   __HAL_RCC_GPIOB_CLK_ENABLE();
254.   __HAL_RCC_GPIOD_CLK_ENABLE();
255.  
256.   /*Configure GPIO pin Output Level */
257.   HAL_GPIO_WritePin(GPIOE, CS_I2C_SPI_Pin|LD4_Pin|LD3_Pin|LD5_Pin
258.                           |LD7_Pin|LD9_Pin|LD10_Pin|LD8_Pin
259.                           |LD6_Pin, GPIO_PIN_RESET);
260.  
261.   /*Configure GPIO pins : DRDY_Pin MEMS_INT3_Pin MEMS_INT4_Pin MEMS_INT1_Pin
262.                            MEMS_INT2_Pin */
263.   GPIO_InitStruct.Pin = DRDY_Pin|MEMS_INT3_Pin|MEMS_INT4_Pin|MEMS_INT1_Pin
264.                           |MEMS_INT2_Pin;
265.   GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
266.   GPIO_InitStruct.Pull = GPIO_NOPULL;
267.   HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
268.  
269.   /*Configure GPIO pins : CS_I2C_SPI_Pin LD4_Pin LD3_Pin LD5_Pin
270.                            LD7_Pin LD9_Pin LD10_Pin LD8_Pin
271.                            LD6_Pin */
272.   GPIO_InitStruct.Pin = CS_I2C_SPI_Pin|LD4_Pin|LD3_Pin|LD5_Pin
273.                           |LD7_Pin|LD9_Pin|LD10_Pin|LD8_Pin
274.                           |LD6_Pin;
275.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
276.   GPIO_InitStruct.Pull = GPIO_NOPULL;
277.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
278.   HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
279.  
280.   /*Configure GPIO pin : B1_Pin */
281.   GPIO_InitStruct.Pin = B1_Pin;
282.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
283.   GPIO_InitStruct.Pull = GPIO_NOPULL;
284.   HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
285.  
286.   /*Configure GPIO pins : SPI1_SCK_Pin SPI1_MISO_Pin SPI1_MISOA7_Pin */
287.   GPIO_InitStruct.Pin = SPI1_SCK_Pin|SPI1_MISO_Pin|SPI1_MISOA7_Pin;
288.   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
289.   GPIO_InitStruct.Pull = GPIO_NOPULL;
290.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
291.   GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
292.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
293.  
294.   /*Configure GPIO pins : DM_Pin DP_Pin */
295.   GPIO_InitStruct.Pin = DM_Pin|DP_Pin;
296.   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
297.   GPIO_InitStruct.Pull = GPIO_NOPULL;
298.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
299.   GPIO_InitStruct.Alternate = GPIO_AF14_USB;
300.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
301.  
302.   /*Configure GPIO pins : I2C1_SCL_Pin I2C1_SDA_Pin */
303.   GPIO_InitStruct.Pin = I2C1_SCL_Pin|I2C1_SDA_Pin;
304.   GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
305.   GPIO_InitStruct.Pull = GPIO_PULLUP;
306.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
307.   GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
308.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
309.  
310. }
311.  
312. /* USER CODE BEGIN 4 */
313.  
314. /* USER CODE END 4 */
315.  
316. /**
317.   * @brief  This function is executed in case of error occurrence.
318.   * @param  file: The file name as string.
319.   * @param  line: The line in file as a number.
320.   * @retval None
321.   */
322. void _Error_Handler(char *file, int line)
323. {
324.   /* USER CODE BEGIN Error_Handler_Debug */
325.   /* User can add his own implementation to report the HAL error return state */
326.   while(1)
327.   {
328.   }
329.   /* USER CODE END Error_Handler_Debug */
330. }
331.  
332. #ifdef  USE_FULL_ASSERT
333. /**
334.   * @brief  Reports the name of the source file and the source line number
335.   *         where the assert_param error has occurred.
336.   * @param  file: pointer to the source file name
337.   * @param  line: assert_param error line source number
338.   * @retval None
339.   */
340. void assert_failed(uint8_t* file, uint32_t line)
341. {
342.   /* USER CODE BEGIN 6 */
343.   /* User can add his own implementation to report the file name and line number,
344.      tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
345.   /* USER CODE END 6 */
346. }
347. #endif /* USE_FULL_ASSERT */
348.  
349. /**
350.   * @}
351.   */
352.  
353. /**
354.   * @}
355.   */
356.  
357. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
358.