main.c 6.1 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) 2021 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. /** Configure the main internal regulator output voltage
  87. */
  88. __HAL_RCC_PWR_CLK_ENABLE();
  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_HSE;
  94. RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  95. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  96. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  97. RCC_OscInitStruct.PLL.PLLM = 6;
  98. RCC_OscInitStruct.PLL.PLLN = 168;
  99. RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  100. RCC_OscInitStruct.PLL.PLLQ = 4;
  101. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  102. {
  103. Error_Handler();
  104. }
  105. /** Initializes the CPU, AHB and APB buses clocks
  106. */
  107. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  108. |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  109. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  110. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  111. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  112. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
  113. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  114. {
  115. Error_Handler();
  116. }
  117. }
  118. /**
  119. * @brief USART1 Initialization Function
  120. * @param None
  121. * @retval None
  122. */
  123. static void MX_USART1_UART_Init(void)
  124. {
  125. /* USER CODE BEGIN USART1_Init 0 */
  126. /* USER CODE END USART1_Init 0 */
  127. /* USER CODE BEGIN USART1_Init 1 */
  128. /* USER CODE END USART1_Init 1 */
  129. huart1.Instance = USART1;
  130. huart1.Init.BaudRate = 115200;
  131. huart1.Init.WordLength = UART_WORDLENGTH_8B;
  132. huart1.Init.StopBits = UART_STOPBITS_1;
  133. huart1.Init.Parity = UART_PARITY_NONE;
  134. huart1.Init.Mode = UART_MODE_TX_RX;
  135. huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  136. huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  137. if (HAL_UART_Init(&huart1) != HAL_OK)
  138. {
  139. Error_Handler();
  140. }
  141. /* USER CODE BEGIN USART1_Init 2 */
  142. /* USER CODE END USART1_Init 2 */
  143. }
  144. /**
  145. * @brief GPIO Initialization Function
  146. * @param None
  147. * @retval None
  148. */
  149. static void MX_GPIO_Init(void)
  150. {
  151. /* GPIO Ports Clock Enable */
  152. __HAL_RCC_GPIOA_CLK_ENABLE();
  153. __HAL_RCC_GPIOB_CLK_ENABLE();
  154. __HAL_RCC_GPIOH_CLK_ENABLE();
  155. }
  156. /* USER CODE BEGIN 4 */
  157. /* USER CODE END 4 */
  158. /**
  159. * @brief This function is executed in case of error occurrence.
  160. * @retval None
  161. */
  162. void Error_Handler(void)
  163. {
  164. /* USER CODE BEGIN Error_Handler_Debug */
  165. /* User can add his own implementation to report the HAL error return state */
  166. __disable_irq();
  167. while (1)
  168. {
  169. }
  170. /* USER CODE END Error_Handler_Debug */
  171. }
  172. #ifdef USE_FULL_ASSERT
  173. /**
  174. * @brief Reports the name of the source file and the source line number
  175. * where the assert_param error has occurred.
  176. * @param file: pointer to the source file name
  177. * @param line: assert_param error line source number
  178. * @retval None
  179. */
  180. void assert_failed(uint8_t *file, uint32_t line)
  181. {
  182. /* USER CODE BEGIN 6 */
  183. /* User can add his own implementation to report the file name and line number,
  184. ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  185. /* USER CODE END 6 */
  186. }
  187. #endif /* USE_FULL_ASSERT */
  188. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/