1. /* USER CODE BEGIN Header */
  2. /*
  3.  * ________________________________________________________________________________________________________
  4.  * Copyright (c) 2020 GebraBit Inc. All rights reserved.
  5.  *
  6.  * This software, related documentation and any modifications thereto (collectively “Software”) is subject
  7.  * to GebraBit and its licensors' intellectual property rights under U.S. and international copyright
  8.  * and other intellectual property rights laws. 
  9.  *
 10.  * GebraBit and its licensors retain all intellectual property and proprietary rights in and to the Software
 11.  * and any use, reproduction, disclosure or distribution of the Software without an express license agreement
 12.  * from GebraBit is strictly prohibited.
 13.  
 14.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT 
 15.  * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT IN  
 16.  * NO EVENT SHALL GebraBit BE LIABLE FOR ANY DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, 
 17.  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 18.  * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 19.  * OF THE SOFTWARE.
 20.  * ________________________________________________________________________________________________________
 21.  */
 22. /**
 23.   ******************************************************************************
 24.   * @file           : main.c
 25.   * @brief          : Main program body
 26. 	* @Author       	: Mehrdad Zeinali
 27.   ******************************************************************************
 28.   * @attention
 29.   *
 30.   * Copyright (c) 2022 STMicroelectronics.
 31.   * All rights reserved.
 32.   *
 33.   * This software is licensed under terms that can be found in the LICENSE file
 34.   * in the root directory of this software component.
 35.   * If no LICENSE file comes with this software, it is provided AS-IS.
 36.   *
 37.   ******************************************************************************
 38.   */
 39. /* USER CODE END Header */
 40. /* Includes ------------------------------------------------------------------*/
 41. #include "main.h"
 42. #include "i2c.h"
 43. #include "gpio.h"
 44.  
 45. /* Private includes ----------------------------------------------------------*/
 46. /* USER CODE BEGIN Includes */
 47. #include "GebraBit_SGP41.h"
 48. //#include "sensirion_gas_index_algorithm.h"
 49. /* USER CODE END Includes */
 50.  
 51. /* Private typedef -----------------------------------------------------------*/
 52. /* USER CODE BEGIN PTD */
 53. GebraBit_SGP41 SGP41_Module;
 54. /* USER CODE END PTD */
 55.  
 56. /* Private define ------------------------------------------------------------*/
 57. /* USER CODE BEGIN PD */
 58. /* USER CODE END PD */
 59.  
 60. /* Private macro -------------------------------------------------------------*/
 61. /* USER CODE BEGIN PM */
 62.  
 63. /* USER CODE END PM */
 64.  
 65. /* Private variables ---------------------------------------------------------*/
 66.  
 67. /* USER CODE BEGIN PV */
 68.  
 69. /* USER CODE END PV */
 70.  
 71. /* Private function prototypes -----------------------------------------------*/
 72. void SystemClock_Config(void);
 73. /* USER CODE BEGIN PFP */
 74.  
 75. /* USER CODE END PFP */
 76.  
 77. /* Private user code ---------------------------------------------------------*/
 78. /* USER CODE BEGIN 0 */
 79.  
 80. /* USER CODE END 0 */
 81.  
 82. /**
 83.   * @brief  The application entry point.
 84.   * @retval int
 85.   */
 86. int main(void)
 87. {
 88.   /* USER CODE BEGIN 1 */
 89.  
 90.   /* USER CODE END 1 */
 91.  
 92.   /* MCU Configuration--------------------------------------------------------*/
 93.  
 94.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
 95.   HAL_Init();
 96.  
 97.   /* USER CODE BEGIN Init */
 98.  
 99.   /* USER CODE END Init */
100.  
101.   /* Configure the system clock */
102.   SystemClock_Config();
103.  
104.   /* USER CODE BEGIN SysInit */
105.  
106.   /* USER CODE END SysInit */
107.  
108.   /* Initialize all configured peripherals */
109.   MX_GPIO_Init();
110.   MX_I2C1_Init(); 
111.   /* USER CODE BEGIN 2 */
112. 	// initialize gas index parameters
113.   GB_SGP41_initialize( &SGP41_Module );
114. 	GB_SGP41_Configuration( &SGP41_Module , Enable );
115. 	//GB_SGP41_Configuration( &SGP41_Module , Disable );
116.   /* USER CODE END 2 */
117.  
118.   /* Infinite loop */
119.   /* USER CODE BEGIN WHILE */
120.   while (1)
121.   {
122.     /* USER CODE END WHILE */
123.  
124.     /* USER CODE BEGIN 3 */
125. 		GB_SGP41_Get_Data( &SGP41_Module );
126.   }
127.   /* USER CODE END 3 */
128. }
129.  
130. /**
131.   * @brief System Clock Configuration
132.   * @retval None
133.   */
134. void SystemClock_Config(void)
135. {
136.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
137.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
138.   RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
139.  
140.   /** Initializes the RCC Oscillators according to the specified parameters
141.   * in the RCC_OscInitTypeDef structure.
142.   */
143.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
144.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
145.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
146.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
147.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
148.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
149.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
150.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
151.   {
152.     Error_Handler();
153.   }
154.  
155.   /** Initializes the CPU, AHB and APB buses clocks
156.   */
157.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
158.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
159.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
160.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
161.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
162.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
163.  
164.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
165.   {
166.     Error_Handler();
167.   }
168.   PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_I2C1;
169.   PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_SYSCLK;
170.   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
171.   {
172.     Error_Handler();
173.   }
174. }
175.  
176. /* USER CODE BEGIN 4 */
177.  
178. /* USER CODE END 4 */
179.  
180. /**
181.   * @brief  This function is executed in case of error occurrence.
182.   * @retval None
183.   */
184. void Error_Handler(void)
185. {
186.   /* USER CODE BEGIN Error_Handler_Debug */
187.   /* User can add his own implementation to report the HAL error return state */
188.   __disable_irq();
189.   while (1)
190.   {
191.   }
192.   /* USER CODE END Error_Handler_Debug */
193. }
194.  
195. #ifdef  USE_FULL_ASSERT
196. /**
197.   * @brief  Reports the name of the source file and the source line number
198.   *         where the assert_param error has occurred.
199.   * @param  file: pointer to the source file name
200.   * @param  line: assert_param error line source number
201.   * @retval None
202.   */
203. void assert_failed(uint8_t *file, uint32_t line)
204. {
205.   /* USER CODE BEGIN 6 */
206.   /* User can add his own implementation to report the file name and line number,
207.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
208.   /* USER CODE END 6 */
209. }
210. #endif /* USE_FULL_ASSERT */
211.