main.c 6.9 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file : main.c
  5. * @brief : Main program body
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2022 STMicroelectronics.
  10. * All rights reserved.
  11. *
  12. * This software is licensed under terms that can be found in the LICENSE file
  13. * in the root directory of this software component.
  14. * If no LICENSE file comes with this software, it is provided AS-IS.
  15. *
  16. ******************************************************************************
  17. */
  18. /* USER CODE END Header */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "main.h"
  21. #include "cmsis_os.h"
  22. #include "i2c.h"
  23. #include "rtc.h"
  24. #include "usart.h"
  25. #include "usb_otg.h"
  26. #include "gpio.h"
  27. /* Private includes ----------------------------------------------------------*/
  28. /* USER CODE BEGIN Includes */
  29. /* USER CODE END Includes */
  30. /* Private typedef -----------------------------------------------------------*/
  31. /* USER CODE BEGIN PTD */
  32. /* USER CODE END PTD */
  33. /* Private define ------------------------------------------------------------*/
  34. /* USER CODE BEGIN PD */
  35. /* USER CODE END PD */
  36. /* Private macro -------------------------------------------------------------*/
  37. /* USER CODE BEGIN PM */
  38. /* USER CODE END PM */
  39. /* Private variables ---------------------------------------------------------*/
  40. /* USER CODE BEGIN PV */
  41. /* USER CODE END PV */
  42. /* Private function prototypes -----------------------------------------------*/
  43. void SystemClock_Config(void);
  44. void PeriphCommonClock_Config(void);
  45. void MX_FREERTOS_Init(void);
  46. /* USER CODE BEGIN PFP */
  47. /* USER CODE END PFP */
  48. /* Private user code ---------------------------------------------------------*/
  49. /* USER CODE BEGIN 0 */
  50. /* USER CODE END 0 */
  51. /**
  52. * @brief The application entry point.
  53. * @retval int
  54. */
  55. int main(void)
  56. {
  57. /* USER CODE BEGIN 1 */
  58. /* USER CODE END 1 */
  59. /* MCU Configuration--------------------------------------------------------*/
  60. /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  61. HAL_Init();
  62. /* USER CODE BEGIN Init */
  63. /* USER CODE END Init */
  64. /* Configure the system clock */
  65. SystemClock_Config();
  66. /* Configure the peripherals common clocks */
  67. PeriphCommonClock_Config();
  68. /* USER CODE BEGIN SysInit */
  69. /* USER CODE END SysInit */
  70. /* Initialize all configured peripherals */
  71. MX_GPIO_Init();
  72. MX_I2C1_Init();
  73. MX_RTC_Init();
  74. MX_USART3_UART_Init();
  75. MX_USB_OTG_FS_USB_Init();
  76. /* USER CODE BEGIN 2 */
  77. /* USER CODE END 2 */
  78. /* Call init function for freertos objects (in freertos.c) */
  79. MX_FREERTOS_Init();
  80. /* Start scheduler */
  81. osKernelStart();
  82. /* We should never get here as control is now taken by the scheduler */
  83. /* Infinite loop */
  84. /* USER CODE BEGIN WHILE */
  85. while (1)
  86. {
  87. /* USER CODE END WHILE */
  88. /* USER CODE BEGIN 3 */
  89. }
  90. /* USER CODE END 3 */
  91. }
  92. /**
  93. * @brief System Clock Configuration
  94. * @retval None
  95. */
  96. void SystemClock_Config(void)
  97. {
  98. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  99. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  100. /** Configure the main internal regulator output voltage
  101. */
  102. if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
  103. {
  104. Error_Handler();
  105. }
  106. /** Initializes the RCC Oscillators according to the specified parameters
  107. * in the RCC_OscInitTypeDef structure.
  108. */
  109. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_MSI;
  110. RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  111. RCC_OscInitStruct.MSIState = RCC_MSI_ON;
  112. RCC_OscInitStruct.MSICalibrationValue = 0;
  113. RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
  114. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  115. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
  116. RCC_OscInitStruct.PLL.PLLM = 1;
  117. RCC_OscInitStruct.PLL.PLLN = 40;
  118. RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
  119. RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
  120. RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
  121. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  122. {
  123. Error_Handler();
  124. }
  125. /** Initializes the CPU, AHB and APB buses clocks
  126. */
  127. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  128. |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  129. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  130. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  131. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  132. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  133. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  134. {
  135. Error_Handler();
  136. }
  137. }
  138. /**
  139. * @brief Peripherals Common Clock Configuration
  140. * @retval None
  141. */
  142. void PeriphCommonClock_Config(void)
  143. {
  144. RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
  145. /** Initializes the peripherals clock
  146. */
  147. PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
  148. PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLLSAI1;
  149. PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_MSI;
  150. PeriphClkInit.PLLSAI1.PLLSAI1M = 1;
  151. PeriphClkInit.PLLSAI1.PLLSAI1N = 24;
  152. PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
  153. PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV2;
  154. PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV2;
  155. PeriphClkInit.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_48M2CLK;
  156. if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  157. {
  158. Error_Handler();
  159. }
  160. }
  161. /* USER CODE BEGIN 4 */
  162. /* USER CODE END 4 */
  163. /**
  164. * @brief Period elapsed callback in non blocking mode
  165. * @note This function is called when TIM1 interrupt took place, inside
  166. * HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
  167. * a global variable "uwTick" used as application time base.
  168. * @param htim : TIM handle
  169. * @retval None
  170. */
  171. void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
  172. {
  173. /* USER CODE BEGIN Callback 0 */
  174. /* USER CODE END Callback 0 */
  175. if (htim->Instance == TIM1) {
  176. HAL_IncTick();
  177. }
  178. /* USER CODE BEGIN Callback 1 */
  179. /* USER CODE END Callback 1 */
  180. }
  181. /**
  182. * @brief This function is executed in case of error occurrence.
  183. * @retval None
  184. */
  185. void Error_Handler(void)
  186. {
  187. /* USER CODE BEGIN Error_Handler_Debug */
  188. /* User can add his own implementation to report the HAL error return state */
  189. __disable_irq();
  190. while (1)
  191. {
  192. }
  193. /* USER CODE END Error_Handler_Debug */
  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 */