main.c 6.7 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. SD_HandleTypeDef hsd;
  36. UART_HandleTypeDef huart1;
  37. /* USER CODE BEGIN PV */
  38. /* USER CODE END PV */
  39. /* Private function prototypes -----------------------------------------------*/
  40. void SystemClock_Config(void);
  41. static void MX_GPIO_Init(void);
  42. static void MX_USART1_UART_Init(void);
  43. static void MX_SDIO_SD_Init(void);
  44. /* USER CODE BEGIN PFP */
  45. /* USER CODE END PFP */
  46. /* Private user code ---------------------------------------------------------*/
  47. /* USER CODE BEGIN 0 */
  48. /* USER CODE END 0 */
  49. /**
  50. * @brief The application entry point.
  51. * @retval int
  52. */
  53. int main(void)
  54. {
  55. /* USER CODE BEGIN 1 */
  56. /* USER CODE END 1 */
  57. /* MCU Configuration--------------------------------------------------------*/
  58. /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  59. HAL_Init();
  60. /* USER CODE BEGIN Init */
  61. /* USER CODE END Init */
  62. /* Configure the system clock */
  63. SystemClock_Config();
  64. /* USER CODE BEGIN SysInit */
  65. /* USER CODE END SysInit */
  66. /* Initialize all configured peripherals */
  67. MX_GPIO_Init();
  68. MX_USART1_UART_Init();
  69. MX_SDIO_SD_Init();
  70. /* USER CODE BEGIN 2 */
  71. /* USER CODE END 2 */
  72. /* Infinite loop */
  73. /* USER CODE BEGIN WHILE */
  74. while (1)
  75. {
  76. /* USER CODE END WHILE */
  77. /* USER CODE BEGIN 3 */
  78. }
  79. /* USER CODE END 3 */
  80. }
  81. /**
  82. * @brief System Clock Configuration
  83. * @retval None
  84. */
  85. void SystemClock_Config(void)
  86. {
  87. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  88. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  89. /** Initializes the CPU, AHB and APB busses clocks
  90. */
  91. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  92. RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  93. RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  94. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  95. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  96. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  97. RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  98. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  99. {
  100. Error_Handler();
  101. }
  102. /** Initializes the CPU, AHB and APB busses clocks
  103. */
  104. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  105. |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  106. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  107. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  108. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  109. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  110. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  111. {
  112. Error_Handler();
  113. }
  114. }
  115. /**
  116. * @brief SDIO Initialization Function
  117. * @param None
  118. * @retval None
  119. */
  120. static void MX_SDIO_SD_Init(void)
  121. {
  122. /* USER CODE BEGIN SDIO_Init 0 */
  123. /* USER CODE END SDIO_Init 0 */
  124. /* USER CODE BEGIN SDIO_Init 1 */
  125. /* USER CODE END SDIO_Init 1 */
  126. hsd.Instance = SDIO;
  127. hsd.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
  128. hsd.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
  129. hsd.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
  130. hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
  131. hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
  132. hsd.Init.ClockDiv = 0;
  133. if (HAL_SD_Init(&hsd) != HAL_OK)
  134. {
  135. Error_Handler();
  136. }
  137. if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
  138. {
  139. Error_Handler();
  140. }
  141. /* USER CODE BEGIN SDIO_Init 2 */
  142. /* USER CODE END SDIO_Init 2 */
  143. }
  144. /**
  145. * @brief USART1 Initialization Function
  146. * @param None
  147. * @retval None
  148. */
  149. static void MX_USART1_UART_Init(void)
  150. {
  151. /* USER CODE BEGIN USART1_Init 0 */
  152. /* USER CODE END USART1_Init 0 */
  153. /* USER CODE BEGIN USART1_Init 1 */
  154. /* USER CODE END USART1_Init 1 */
  155. huart1.Instance = USART1;
  156. huart1.Init.BaudRate = 115200;
  157. huart1.Init.WordLength = UART_WORDLENGTH_8B;
  158. huart1.Init.StopBits = UART_STOPBITS_1;
  159. huart1.Init.Parity = UART_PARITY_NONE;
  160. huart1.Init.Mode = UART_MODE_TX_RX;
  161. huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  162. huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  163. if (HAL_UART_Init(&huart1) != HAL_OK)
  164. {
  165. Error_Handler();
  166. }
  167. /* USER CODE BEGIN USART1_Init 2 */
  168. /* USER CODE END USART1_Init 2 */
  169. }
  170. /**
  171. * @brief GPIO Initialization Function
  172. * @param None
  173. * @retval None
  174. */
  175. static void MX_GPIO_Init(void)
  176. {
  177. /* GPIO Ports Clock Enable */
  178. __HAL_RCC_GPIOC_CLK_ENABLE();
  179. __HAL_RCC_GPIOA_CLK_ENABLE();
  180. __HAL_RCC_GPIOD_CLK_ENABLE();
  181. }
  182. /* USER CODE BEGIN 4 */
  183. /* USER CODE END 4 */
  184. /**
  185. * @brief This function is executed in case of error occurrence.
  186. * @retval None
  187. */
  188. void Error_Handler(void)
  189. {
  190. /* USER CODE BEGIN Error_Handler_Debug */
  191. /* User can add his own implementation to report the HAL error return state */
  192. /* USER CODE END Error_Handler_Debug */
  193. }
  194. #ifdef USE_FULL_ASSERT
  195. /**
  196. * @brief Reports the name of the source file and the source line number
  197. * where the assert_param error has occurred.
  198. * @param file: pointer to the source file name
  199. * @param line: assert_param error line source number
  200. * @retval None
  201. */
  202. void assert_failed(uint8_t *file, uint32_t line)
  203. {
  204. /* USER CODE BEGIN 6 */
  205. /* User can add his own implementation to report the file name and line number,
  206. tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  207. /* USER CODE END 6 */
  208. }
  209. #endif /* USE_FULL_ASSERT */
  210. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/