main.c 8.7 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. * Copyright (c) 2024 STMicroelectronics.
  10. * All rights reserved.
  11. *
  12. * This software is licensed under terms that can be found in the LICENSE file
  13. * in the root directory of this software component.
  14. * If no LICENSE file comes with this software, it is provided AS-IS.
  15. *
  16. ******************************************************************************
  17. */
  18. /* USER CODE END Header */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "main.h"
  21. /* Private includes ----------------------------------------------------------*/
  22. /* USER CODE BEGIN Includes */
  23. /* USER CODE END Includes */
  24. /* Private typedef -----------------------------------------------------------*/
  25. /* USER CODE BEGIN PTD */
  26. /* USER CODE END PTD */
  27. /* Private define ------------------------------------------------------------*/
  28. /* USER CODE BEGIN PD */
  29. /* USER CODE END PD */
  30. /* Private macro -------------------------------------------------------------*/
  31. /* USER CODE BEGIN PM */
  32. /* USER CODE END PM */
  33. /* Private variables ---------------------------------------------------------*/
  34. SD_HandleTypeDef hsd;
  35. SPI_HandleTypeDef hspi1;
  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. static void MX_SPI1_Init(void);
  45. /* USER CODE BEGIN PFP */
  46. /* USER CODE END PFP */
  47. /* Private user code ---------------------------------------------------------*/
  48. /* USER CODE BEGIN 0 */
  49. /* USER CODE END 0 */
  50. /**
  51. * @brief The application entry point.
  52. * @retval int
  53. */
  54. int main(void)
  55. {
  56. /* USER CODE BEGIN 1 */
  57. /* USER CODE END 1 */
  58. /* MCU Configuration--------------------------------------------------------*/
  59. /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  60. HAL_Init();
  61. /* USER CODE BEGIN Init */
  62. /* USER CODE END Init */
  63. /* Configure the system clock */
  64. SystemClock_Config();
  65. /* USER CODE BEGIN SysInit */
  66. /* USER CODE END SysInit */
  67. /* Initialize all configured peripherals */
  68. MX_GPIO_Init();
  69. MX_USART1_UART_Init();
  70. MX_SDIO_SD_Init();
  71. MX_SPI1_Init();
  72. /* USER CODE BEGIN 2 */
  73. /* USER CODE END 2 */
  74. /* Infinite loop */
  75. /* USER CODE BEGIN WHILE */
  76. while (1)
  77. {
  78. /* USER CODE END WHILE */
  79. /* USER CODE BEGIN 3 */
  80. }
  81. /* USER CODE END 3 */
  82. }
  83. /**
  84. * @brief System Clock Configuration
  85. * @retval None
  86. */
  87. void SystemClock_Config(void)
  88. {
  89. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  90. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  91. /** Configure the main internal regulator output voltage
  92. */
  93. __HAL_RCC_PWR_CLK_ENABLE();
  94. __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  95. /** Initializes the RCC Oscillators according to the specified parameters
  96. * in the RCC_OscInitTypeDef structure.
  97. */
  98. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  99. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  100. RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  101. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  102. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  103. RCC_OscInitStruct.PLL.PLLM = 8;
  104. RCC_OscInitStruct.PLL.PLLN = 168;
  105. RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  106. RCC_OscInitStruct.PLL.PLLQ = 7;
  107. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  108. {
  109. Error_Handler();
  110. }
  111. /** Initializes the CPU, AHB and APB buses clocks
  112. */
  113. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  114. |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  115. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  116. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  117. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  118. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
  119. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  120. {
  121. Error_Handler();
  122. }
  123. }
  124. /**
  125. * @brief SDIO Initialization Function
  126. * @param None
  127. * @retval None
  128. */
  129. static void MX_SDIO_SD_Init(void)
  130. {
  131. /* USER CODE BEGIN SDIO_Init 0 */
  132. /* USER CODE END SDIO_Init 0 */
  133. /* USER CODE BEGIN SDIO_Init 1 */
  134. /* USER CODE END SDIO_Init 1 */
  135. hsd.Instance = SDIO;
  136. hsd.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
  137. hsd.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
  138. hsd.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
  139. hsd.Init.BusWide = SDIO_BUS_WIDE_4B;
  140. hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
  141. hsd.Init.ClockDiv = 0;
  142. if (HAL_SD_Init(&hsd) != HAL_OK)
  143. {
  144. Error_Handler();
  145. }
  146. if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
  147. {
  148. Error_Handler();
  149. }
  150. /* USER CODE BEGIN SDIO_Init 2 */
  151. /* USER CODE END SDIO_Init 2 */
  152. }
  153. /**
  154. * @brief SPI1 Initialization Function
  155. * @param None
  156. * @retval None
  157. */
  158. static void MX_SPI1_Init(void)
  159. {
  160. /* USER CODE BEGIN SPI1_Init 0 */
  161. /* USER CODE END SPI1_Init 0 */
  162. /* USER CODE BEGIN SPI1_Init 1 */
  163. /* USER CODE END SPI1_Init 1 */
  164. /* SPI1 parameter configuration*/
  165. hspi1.Instance = SPI1;
  166. hspi1.Init.Mode = SPI_MODE_MASTER;
  167. hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  168. hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  169. hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  170. hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  171. hspi1.Init.NSS = SPI_NSS_SOFT;
  172. hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
  173. hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  174. hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  175. hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  176. hspi1.Init.CRCPolynomial = 10;
  177. if (HAL_SPI_Init(&hspi1) != HAL_OK)
  178. {
  179. Error_Handler();
  180. }
  181. /* USER CODE BEGIN SPI1_Init 2 */
  182. /* USER CODE END SPI1_Init 2 */
  183. }
  184. /**
  185. * @brief USART1 Initialization Function
  186. * @param None
  187. * @retval None
  188. */
  189. static void MX_USART1_UART_Init(void)
  190. {
  191. /* USER CODE BEGIN USART1_Init 0 */
  192. /* USER CODE END USART1_Init 0 */
  193. /* USER CODE BEGIN USART1_Init 1 */
  194. /* USER CODE END USART1_Init 1 */
  195. huart1.Instance = USART1;
  196. huart1.Init.BaudRate = 115200;
  197. huart1.Init.WordLength = UART_WORDLENGTH_8B;
  198. huart1.Init.StopBits = UART_STOPBITS_1;
  199. huart1.Init.Parity = UART_PARITY_NONE;
  200. huart1.Init.Mode = UART_MODE_TX_RX;
  201. huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  202. huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  203. if (HAL_UART_Init(&huart1) != HAL_OK)
  204. {
  205. Error_Handler();
  206. }
  207. /* USER CODE BEGIN USART1_Init 2 */
  208. /* USER CODE END USART1_Init 2 */
  209. }
  210. /**
  211. * @brief GPIO Initialization Function
  212. * @param None
  213. * @retval None
  214. */
  215. static void MX_GPIO_Init(void)
  216. {
  217. GPIO_InitTypeDef GPIO_InitStruct = {0};
  218. /* USER CODE BEGIN MX_GPIO_Init_1 */
  219. /* USER CODE END MX_GPIO_Init_1 */
  220. /* GPIO Ports Clock Enable */
  221. __HAL_RCC_GPIOH_CLK_ENABLE();
  222. __HAL_RCC_GPIOA_CLK_ENABLE();
  223. __HAL_RCC_GPIOC_CLK_ENABLE();
  224. __HAL_RCC_GPIOD_CLK_ENABLE();
  225. __HAL_RCC_GPIOB_CLK_ENABLE();
  226. /*Configure GPIO pin Output Level */
  227. HAL_GPIO_WritePin(SPI_FLASH_CS_GPIO_Port, SPI_FLASH_CS_Pin, GPIO_PIN_RESET);
  228. /*Configure GPIO pin : SPI_FLASH_CS_Pin */
  229. GPIO_InitStruct.Pin = SPI_FLASH_CS_Pin;
  230. GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  231. GPIO_InitStruct.Pull = GPIO_NOPULL;
  232. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  233. HAL_GPIO_Init(SPI_FLASH_CS_GPIO_Port, &GPIO_InitStruct);
  234. /*Configure GPIO pin : SD_CARD_DET_Pin */
  235. GPIO_InitStruct.Pin = SD_CARD_DET_Pin;
  236. GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  237. GPIO_InitStruct.Pull = GPIO_NOPULL;
  238. HAL_GPIO_Init(SD_CARD_DET_GPIO_Port, &GPIO_InitStruct);
  239. /* USER CODE BEGIN MX_GPIO_Init_2 */
  240. /* USER CODE END MX_GPIO_Init_2 */
  241. }
  242. /* USER CODE BEGIN 4 */
  243. /* USER CODE END 4 */
  244. /**
  245. * @brief This function is executed in case of error occurrence.
  246. * @retval None
  247. */
  248. void Error_Handler(void)
  249. {
  250. /* USER CODE BEGIN Error_Handler_Debug */
  251. /* User can add his own implementation to report the HAL error return state */
  252. __disable_irq();
  253. while (1)
  254. {
  255. }
  256. /* USER CODE END Error_Handler_Debug */
  257. }
  258. #ifdef USE_FULL_ASSERT
  259. /**
  260. * @brief Reports the name of the source file and the source line number
  261. * where the assert_param error has occurred.
  262. * @param file: pointer to the source file name
  263. * @param line: assert_param error line source number
  264. * @retval None
  265. */
  266. void assert_failed(uint8_t *file, uint32_t line)
  267. {
  268. /* USER CODE BEGIN 6 */
  269. /* User can add his own implementation to report the file name and line number,
  270. ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  271. /* USER CODE END 6 */
  272. }
  273. #endif /* USE_FULL_ASSERT */