main.c 7.6 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. * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  10. * All rights reserved.</center></h2>
  11. *
  12. * This software component is licensed by ST under BSD 3-Clause license,
  13. * the "License"; You may not use this file except in compliance with the
  14. * License. You may obtain a copy of the License at:
  15. * opensource.org/licenses/BSD-3-Clause
  16. *
  17. ******************************************************************************
  18. */
  19. /* USER CODE END Header */
  20. /* Includes ------------------------------------------------------------------*/
  21. #include "main.h"
  22. /* Private includes ----------------------------------------------------------*/
  23. /* USER CODE BEGIN Includes */
  24. /* USER CODE END Includes */
  25. /* Private typedef -----------------------------------------------------------*/
  26. /* USER CODE BEGIN PTD */
  27. /* USER CODE END PTD */
  28. /* Private define ------------------------------------------------------------*/
  29. /* USER CODE BEGIN PD */
  30. /* USER CODE END PD */
  31. /* Private macro -------------------------------------------------------------*/
  32. /* USER CODE BEGIN PM */
  33. /* USER CODE END PM */
  34. /* Private variables ---------------------------------------------------------*/
  35. UART_HandleTypeDef huart1;
  36. /* USER CODE BEGIN PV */
  37. /* USER CODE END PV */
  38. /* Private function prototypes -----------------------------------------------*/
  39. void SystemClock_Config(void);
  40. static void MX_GPIO_Init(void);
  41. static void MX_USART1_UART_Init(void);
  42. /* USER CODE BEGIN PFP */
  43. /* USER CODE END PFP */
  44. /* Private user code ---------------------------------------------------------*/
  45. /* USER CODE BEGIN 0 */
  46. /* USER CODE END 0 */
  47. /**
  48. * @brief The application entry point.
  49. * @retval int
  50. */
  51. int main(void)
  52. {
  53. /* USER CODE BEGIN 1 */
  54. /* USER CODE END 1 */
  55. /* MCU Configuration--------------------------------------------------------*/
  56. /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  57. HAL_Init();
  58. /* USER CODE BEGIN Init */
  59. /* USER CODE END Init */
  60. /* Configure the system clock */
  61. SystemClock_Config();
  62. /* USER CODE BEGIN SysInit */
  63. /* USER CODE END SysInit */
  64. /* Initialize all configured peripherals */
  65. MX_GPIO_Init();
  66. MX_USART1_UART_Init();
  67. /* USER CODE BEGIN 2 */
  68. /* USER CODE END 2 */
  69. /* Infinite loop */
  70. /* USER CODE BEGIN WHILE */
  71. while (1)
  72. {
  73. /* USER CODE END WHILE */
  74. /* USER CODE BEGIN 3 */
  75. }
  76. /* USER CODE END 3 */
  77. }
  78. /**
  79. * @brief System Clock Configuration
  80. * @retval None
  81. */
  82. void SystemClock_Config(void)
  83. {
  84. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  85. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  86. RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
  87. /** Configure the main internal regulator output voltage
  88. */
  89. __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  90. /** Initializes the RCC Oscillators according to the specified parameters
  91. * in the RCC_OscInitTypeDef structure.
  92. */
  93. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSE
  94. |RCC_OSCILLATORTYPE_MSI;
  95. RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  96. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  97. RCC_OscInitStruct.MSIState = RCC_MSI_ON;
  98. RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  99. RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
  100. RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
  101. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  102. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
  103. RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
  104. RCC_OscInitStruct.PLL.PLLN = 32;
  105. RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  106. RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
  107. RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
  108. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  109. {
  110. Error_Handler();
  111. }
  112. /** Configure the SYSCLKSource, HCLK, PCLK1 and PCLK2 clocks dividers
  113. */
  114. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK4|RCC_CLOCKTYPE_HCLK2
  115. |RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  116. |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  117. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  118. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  119. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  120. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  121. RCC_ClkInitStruct.AHBCLK2Divider = RCC_SYSCLK_DIV2;
  122. RCC_ClkInitStruct.AHBCLK4Divider = RCC_SYSCLK_DIV1;
  123. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK)
  124. {
  125. Error_Handler();
  126. }
  127. /** Initializes the peripherals clocks
  128. */
  129. PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SMPS|RCC_PERIPHCLK_USART1;
  130. PeriphClkInitStruct.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
  131. PeriphClkInitStruct.SmpsClockSelection = RCC_SMPSCLKSOURCE_HSI;
  132. PeriphClkInitStruct.SmpsDivSelection = RCC_SMPSCLKDIV_RANGE1;
  133. if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  134. {
  135. Error_Handler();
  136. }
  137. /* USER CODE BEGIN Smps */
  138. /* USER CODE END Smps */
  139. }
  140. /**
  141. * @brief USART1 Initialization Function
  142. * @param None
  143. * @retval None
  144. */
  145. static void MX_USART1_UART_Init(void)
  146. {
  147. /* USER CODE BEGIN USART1_Init 0 */
  148. /* USER CODE END USART1_Init 0 */
  149. /* USER CODE BEGIN USART1_Init 1 */
  150. /* USER CODE END USART1_Init 1 */
  151. huart1.Instance = USART1;
  152. huart1.Init.BaudRate = 115200;
  153. huart1.Init.WordLength = UART_WORDLENGTH_8B;
  154. huart1.Init.StopBits = UART_STOPBITS_1;
  155. huart1.Init.Parity = UART_PARITY_NONE;
  156. huart1.Init.Mode = UART_MODE_TX_RX;
  157. huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  158. huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  159. huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  160. huart1.Init.ClockPrescaler = UART_PRESCALER_DIV1;
  161. huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  162. if (HAL_UART_Init(&huart1) != HAL_OK)
  163. {
  164. Error_Handler();
  165. }
  166. if (HAL_UARTEx_SetTxFifoThreshold(&huart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
  167. {
  168. Error_Handler();
  169. }
  170. if (HAL_UARTEx_SetRxFifoThreshold(&huart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
  171. {
  172. Error_Handler();
  173. }
  174. if (HAL_UARTEx_DisableFifoMode(&huart1) != HAL_OK)
  175. {
  176. Error_Handler();
  177. }
  178. /* USER CODE BEGIN USART1_Init 2 */
  179. /* USER CODE END USART1_Init 2 */
  180. }
  181. /**
  182. * @brief GPIO Initialization Function
  183. * @param None
  184. * @retval None
  185. */
  186. static void MX_GPIO_Init(void)
  187. {
  188. /* GPIO Ports Clock Enable */
  189. __HAL_RCC_GPIOC_CLK_ENABLE();
  190. __HAL_RCC_GPIOA_CLK_ENABLE();
  191. __HAL_RCC_GPIOB_CLK_ENABLE();
  192. }
  193. /* USER CODE BEGIN 4 */
  194. /* USER CODE END 4 */
  195. /**
  196. * @brief This function is executed in case of error occurrence.
  197. * @retval None
  198. */
  199. void Error_Handler(void)
  200. {
  201. /* USER CODE BEGIN Error_Handler_Debug */
  202. /* User can add his own implementation to report the HAL error return state */
  203. /* USER CODE END Error_Handler_Debug */
  204. }
  205. #ifdef USE_FULL_ASSERT
  206. /**
  207. * @brief Reports the name of the source file and the source line number
  208. * where the assert_param error has occurred.
  209. * @param file: pointer to the source file name
  210. * @param line: assert_param error line source number
  211. * @retval None
  212. */
  213. void assert_failed(uint8_t *file, uint32_t line)
  214. {
  215. /* USER CODE BEGIN 6 */
  216. /* User can add his own implementation to report the file name and line number,
  217. tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  218. /* USER CODE END 6 */
  219. }
  220. #endif /* USE_FULL_ASSERT */
  221. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/