main.c 6.2 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) 2019 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 huart3;
  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_USART3_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_USART3_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. // HAL_GPIO_WritePin(GPIOG, 6, GPIO_PIN_SET);
  74. HAL_GPIO_WritePin(GPIOG, 6, GPIO_PIN_RESET);
  75. /* USER CODE END WHILE */
  76. /* USER CODE BEGIN 3 */
  77. }
  78. /* USER CODE END 3 */
  79. }
  80. /**
  81. * @brief System Clock Configuration
  82. * @retval None
  83. */
  84. void SystemClock_Config(void)
  85. {
  86. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  87. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  88. /** Configure the main internal regulator output voltage
  89. */
  90. __HAL_RCC_PWR_CLK_ENABLE();
  91. __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  92. /** Initializes the CPU, AHB and APB busses clocks
  93. */
  94. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  95. RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  96. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  97. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  98. RCC_OscInitStruct.PLL.PLLM = 4;
  99. RCC_OscInitStruct.PLL.PLLN = 180;
  100. RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  101. RCC_OscInitStruct.PLL.PLLQ = 4;
  102. RCC_OscInitStruct.PLL.PLLR = 2;
  103. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  104. {
  105. Error_Handler();
  106. }
  107. /** Activate the Over-Drive mode
  108. */
  109. if (HAL_PWREx_EnableOverDrive() != HAL_OK)
  110. {
  111. Error_Handler();
  112. }
  113. /** Initializes the CPU, AHB and APB busses clocks
  114. */
  115. RCC_ClkInitStruct.ClockType = 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_DIV4;
  120. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
  121. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  122. {
  123. Error_Handler();
  124. }
  125. }
  126. /**
  127. * @brief USART3 Initialization Function
  128. * @param None
  129. * @retval None
  130. */
  131. static void MX_USART3_UART_Init(void)
  132. {
  133. /* USER CODE BEGIN USART3_Init 0 */
  134. /* USER CODE END USART3_Init 0 */
  135. /* USER CODE BEGIN USART3_Init 1 */
  136. /* USER CODE END USART3_Init 1 */
  137. huart3.Instance = USART3;
  138. huart3.Init.BaudRate = 115200;
  139. huart3.Init.WordLength = UART_WORDLENGTH_8B;
  140. huart3.Init.StopBits = UART_STOPBITS_1;
  141. huart3.Init.Parity = UART_PARITY_NONE;
  142. huart3.Init.Mode = UART_MODE_TX_RX;
  143. huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  144. huart3.Init.OverSampling = UART_OVERSAMPLING_16;
  145. if (HAL_UART_Init(&huart3) != HAL_OK)
  146. {
  147. Error_Handler();
  148. }
  149. /* USER CODE BEGIN USART3_Init 2 */
  150. /* USER CODE END USART3_Init 2 */
  151. }
  152. /**
  153. * @brief GPIO Initialization Function
  154. * @param None
  155. * @retval None
  156. */
  157. static void MX_GPIO_Init(void)
  158. {
  159. /* GPIO Ports Clock Enable */
  160. __HAL_RCC_GPIOA_CLK_ENABLE();
  161. __HAL_RCC_GPIOC_CLK_ENABLE();
  162. __HAL_RCC_GPIOH_CLK_ENABLE();
  163. __HAL_RCC_GPIOB_CLK_ENABLE();
  164. }
  165. /* USER CODE BEGIN 4 */
  166. /* USER CODE END 4 */
  167. /**
  168. * @brief This function is executed in case of error occurrence.
  169. * @retval None
  170. */
  171. void Error_Handler(void)
  172. {
  173. /* USER CODE BEGIN Error_Handler_Debug */
  174. /* User can add his own implementation to report the HAL error return state */
  175. /* USER CODE END Error_Handler_Debug */
  176. }
  177. #ifdef USE_FULL_ASSERT
  178. /**
  179. * @brief Reports the name of the source file and the source line number
  180. * where the assert_param error has occurred.
  181. * @param file: pointer to the source file name
  182. * @param line: assert_param error line source number
  183. * @retval None
  184. */
  185. void assert_failed(uint8_t *file, uint32_t line)
  186. {
  187. /* USER CODE BEGIN 6 */
  188. /* User can add his own implementation to report the file name and line number,
  189. tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  190. /* USER CODE END 6 */
  191. }
  192. #endif /* USE_FULL_ASSERT */
  193. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/