main.c 7.4 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file : main.c
  5. * @brief : Main program body
  6. ******************************************************************************
  7. ** This notice applies to any and all portions of this file
  8. * that are not between comment pairs USER CODE BEGIN and
  9. * USER CODE END. Other portions of this file, whether
  10. * inserted by the user or by software development tools
  11. * are owned by their respective copyright owners.
  12. *
  13. * COPYRIGHT(c) 2018 STMicroelectronics
  14. *
  15. * Redistribution and use in source and binary forms, with or without modification,
  16. * are permitted provided that the following conditions are met:
  17. * 1. Redistributions of source code must retain the above copyright notice,
  18. * this list of conditions and the following disclaimer.
  19. * 2. Redistributions in binary form must reproduce the above copyright notice,
  20. * this list of conditions and the following disclaimer in the documentation
  21. * and/or other materials provided with the distribution.
  22. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  23. * may be used to endorse or promote products derived from this software
  24. * without specific prior written permission.
  25. *
  26. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  27. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  29. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  30. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  32. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  33. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  34. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  35. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36. *
  37. ******************************************************************************
  38. */
  39. /* USER CODE END Header */
  40. /* Includes ------------------------------------------------------------------*/
  41. #include "main.h"
  42. /* Private includes ----------------------------------------------------------*/
  43. /* USER CODE BEGIN Includes */
  44. /* USER CODE END Includes */
  45. /* Private typedef -----------------------------------------------------------*/
  46. /* USER CODE BEGIN PTD */
  47. /* USER CODE END PTD */
  48. /* Private define ------------------------------------------------------------*/
  49. /* USER CODE BEGIN PD */
  50. /* USER CODE END PD */
  51. /* Private macro -------------------------------------------------------------*/
  52. /* USER CODE BEGIN PM */
  53. /* USER CODE END PM */
  54. /* Private variables ---------------------------------------------------------*/
  55. UART_HandleTypeDef huart1;
  56. /* USER CODE BEGIN PV */
  57. /* Private variables ---------------------------------------------------------*/
  58. /* USER CODE END PV */
  59. /* Private function prototypes -----------------------------------------------*/
  60. void SystemClock_Config(void);
  61. static void MX_GPIO_Init(void);
  62. static void MX_USART1_UART_Init(void);
  63. /* USER CODE BEGIN PFP */
  64. /* Private function prototypes -----------------------------------------------*/
  65. /* USER CODE END PFP */
  66. /* Private user code ---------------------------------------------------------*/
  67. /* USER CODE BEGIN 0 */
  68. /* USER CODE END 0 */
  69. /**
  70. * @brief The application entry point.
  71. * @retval int
  72. */
  73. int main(void)
  74. {
  75. /* USER CODE BEGIN 1 */
  76. /* USER CODE END 1 */
  77. /* MCU Configuration--------------------------------------------------------*/
  78. /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  79. HAL_Init();
  80. /* USER CODE BEGIN Init */
  81. /* USER CODE END Init */
  82. /* Configure the system clock */
  83. SystemClock_Config();
  84. /* USER CODE BEGIN SysInit */
  85. /* USER CODE END SysInit */
  86. /* Initialize all configured peripherals */
  87. MX_GPIO_Init();
  88. MX_USART1_UART_Init();
  89. /* USER CODE BEGIN 2 */
  90. /* USER CODE END 2 */
  91. /* Infinite loop */
  92. /* USER CODE BEGIN WHILE */
  93. while (1)
  94. {
  95. /* USER CODE END WHILE */
  96. /* USER CODE BEGIN 3 */
  97. }
  98. /* USER CODE END 3 */
  99. }
  100. /**
  101. * @brief System Clock Configuration
  102. * @retval None
  103. */
  104. void SystemClock_Config(void)
  105. {
  106. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  107. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  108. /** Initializes the CPU, AHB and APB busses clocks
  109. */
  110. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  111. RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  112. RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  113. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  114. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  115. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  116. RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  117. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  118. {
  119. Error_Handler();
  120. }
  121. /** Initializes the CPU, AHB and APB busses clocks
  122. */
  123. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  124. |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  125. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  126. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  127. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  128. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  129. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  130. {
  131. Error_Handler();
  132. }
  133. }
  134. /**
  135. * @brief USART1 Initialization Function
  136. * @param None
  137. * @retval None
  138. */
  139. static void MX_USART1_UART_Init(void)
  140. {
  141. /* USER CODE BEGIN USART1_Init 0 */
  142. /* USER CODE END USART1_Init 0 */
  143. /* USER CODE BEGIN USART1_Init 1 */
  144. /* USER CODE END USART1_Init 1 */
  145. huart1.Instance = USART1;
  146. huart1.Init.BaudRate = 115200;
  147. huart1.Init.WordLength = UART_WORDLENGTH_8B;
  148. huart1.Init.StopBits = UART_STOPBITS_1;
  149. huart1.Init.Parity = UART_PARITY_NONE;
  150. huart1.Init.Mode = UART_MODE_TX_RX;
  151. huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  152. huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  153. if (HAL_UART_Init(&huart1) != HAL_OK)
  154. {
  155. Error_Handler();
  156. }
  157. /* USER CODE BEGIN USART1_Init 2 */
  158. /* USER CODE END USART1_Init 2 */
  159. }
  160. /**
  161. * @brief GPIO Initialization Function
  162. * @param None
  163. * @retval None
  164. */
  165. static void MX_GPIO_Init(void)
  166. {
  167. /* GPIO Ports Clock Enable */
  168. __HAL_RCC_GPIOC_CLK_ENABLE();
  169. __HAL_RCC_GPIOD_CLK_ENABLE();
  170. __HAL_RCC_GPIOA_CLK_ENABLE();
  171. }
  172. /* USER CODE BEGIN 4 */
  173. /* USER CODE END 4 */
  174. /**
  175. * @brief This function is executed in case of error occurrence.
  176. * @retval None
  177. */
  178. void Error_Handler(void)
  179. {
  180. /* USER CODE BEGIN Error_Handler_Debug */
  181. /* User can add his own implementation to report the HAL error return state */
  182. while(1)
  183. {
  184. }
  185. /* USER CODE END Error_Handler_Debug */
  186. }
  187. #ifdef USE_FULL_ASSERT
  188. /**
  189. * @brief Reports the name of the source file and the source line number
  190. * where the assert_param error has occurred.
  191. * @param file: pointer to the source file name
  192. * @param line: assert_param error line source number
  193. * @retval None
  194. */
  195. void assert_failed(uint8_t *file, uint32_t line)
  196. {
  197. /* USER CODE BEGIN 6 */
  198. /* User can add his own implementation to report the file name and line number,
  199. tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  200. /* USER CODE END 6 */
  201. }
  202. #endif /* USE_FULL_ASSERT */
  203. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/