main.c 9.2 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. RTC_HandleTypeDef hrtc;
  36. SPI_HandleTypeDef hspi1;
  37. UART_HandleTypeDef huart1;
  38. UART_HandleTypeDef huart2;
  39. /* USER CODE BEGIN PV */
  40. /* USER CODE END PV */
  41. /* Private function prototypes -----------------------------------------------*/
  42. void SystemClock_Config(void);
  43. static void MX_GPIO_Init(void);
  44. static void MX_USART1_UART_Init(void);
  45. static void MX_USART2_UART_Init(void);
  46. static void MX_RTC_Init(void);
  47. static void MX_SPI1_Init(void);
  48. /* USER CODE BEGIN PFP */
  49. /* USER CODE END PFP */
  50. /* Private user code ---------------------------------------------------------*/
  51. /* USER CODE BEGIN 0 */
  52. /* USER CODE END 0 */
  53. /**
  54. * @brief The application entry point.
  55. * @retval int
  56. */
  57. int main(void)
  58. {
  59. /* USER CODE BEGIN 1 */
  60. /* USER CODE END 1 */
  61. /* MCU Configuration--------------------------------------------------------*/
  62. /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  63. HAL_Init();
  64. /* USER CODE BEGIN Init */
  65. /* USER CODE END Init */
  66. /* Configure the system clock */
  67. SystemClock_Config();
  68. /* USER CODE BEGIN SysInit */
  69. /* USER CODE END SysInit */
  70. /* Initialize all configured peripherals */
  71. MX_GPIO_Init();
  72. MX_USART1_UART_Init();
  73. MX_USART2_UART_Init();
  74. MX_RTC_Init();
  75. MX_SPI1_Init();
  76. /* USER CODE BEGIN 2 */
  77. /* USER CODE END 2 */
  78. /* Infinite loop */
  79. /* USER CODE BEGIN WHILE */
  80. while (1)
  81. {
  82. /* USER CODE END WHILE */
  83. /* USER CODE BEGIN 3 */
  84. }
  85. /* USER CODE END 3 */
  86. }
  87. /**
  88. * @brief System Clock Configuration
  89. * @retval None
  90. */
  91. void SystemClock_Config(void)
  92. {
  93. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  94. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  95. RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
  96. /** Configure the main internal regulator output voltage
  97. */
  98. __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  99. /** Initializes the CPU, AHB and APB busses clocks
  100. */
  101. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSE;
  102. RCC_OscInitStruct.LSEState = RCC_LSE_ON;
  103. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  104. RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  105. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  106. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  107. RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  108. RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;
  109. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != 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_DIV1;
  120. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  121. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  122. {
  123. Error_Handler();
  124. }
  125. PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC;
  126. PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
  127. if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  128. {
  129. Error_Handler();
  130. }
  131. }
  132. /**
  133. * @brief RTC Initialization Function
  134. * @param None
  135. * @retval None
  136. */
  137. static void MX_RTC_Init(void)
  138. {
  139. /* USER CODE BEGIN RTC_Init 0 */
  140. /* USER CODE END RTC_Init 0 */
  141. /* USER CODE BEGIN RTC_Init 1 */
  142. /* USER CODE END RTC_Init 1 */
  143. /** Initialize RTC Only
  144. */
  145. hrtc.Instance = RTC;
  146. hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
  147. hrtc.Init.AsynchPrediv = 127;
  148. hrtc.Init.SynchPrediv = 255;
  149. hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
  150. hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
  151. hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
  152. if (HAL_RTC_Init(&hrtc) != HAL_OK)
  153. {
  154. Error_Handler();
  155. }
  156. /* USER CODE BEGIN RTC_Init 2 */
  157. /* USER CODE END RTC_Init 2 */
  158. }
  159. /**
  160. * @brief SPI1 Initialization Function
  161. * @param None
  162. * @retval None
  163. */
  164. static void MX_SPI1_Init(void)
  165. {
  166. /* USER CODE BEGIN SPI1_Init 0 */
  167. /* USER CODE END SPI1_Init 0 */
  168. /* USER CODE BEGIN SPI1_Init 1 */
  169. /* USER CODE END SPI1_Init 1 */
  170. /* SPI1 parameter configuration*/
  171. hspi1.Instance = SPI1;
  172. hspi1.Init.Mode = SPI_MODE_MASTER;
  173. hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  174. hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  175. hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  176. hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  177. hspi1.Init.NSS = SPI_NSS_SOFT;
  178. hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
  179. hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  180. hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  181. hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  182. hspi1.Init.CRCPolynomial = 10;
  183. if (HAL_SPI_Init(&hspi1) != HAL_OK)
  184. {
  185. Error_Handler();
  186. }
  187. /* USER CODE BEGIN SPI1_Init 2 */
  188. /* USER CODE END SPI1_Init 2 */
  189. }
  190. /**
  191. * @brief USART1 Initialization Function
  192. * @param None
  193. * @retval None
  194. */
  195. static void MX_USART1_UART_Init(void)
  196. {
  197. /* USER CODE BEGIN USART1_Init 0 */
  198. /* USER CODE END USART1_Init 0 */
  199. /* USER CODE BEGIN USART1_Init 1 */
  200. /* USER CODE END USART1_Init 1 */
  201. huart1.Instance = USART1;
  202. huart1.Init.BaudRate = 115200;
  203. huart1.Init.WordLength = UART_WORDLENGTH_8B;
  204. huart1.Init.StopBits = UART_STOPBITS_1;
  205. huart1.Init.Parity = UART_PARITY_NONE;
  206. huart1.Init.Mode = UART_MODE_TX_RX;
  207. huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  208. huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  209. if (HAL_UART_Init(&huart1) != HAL_OK)
  210. {
  211. Error_Handler();
  212. }
  213. /* USER CODE BEGIN USART1_Init 2 */
  214. /* USER CODE END USART1_Init 2 */
  215. }
  216. /**
  217. * @brief USART2 Initialization Function
  218. * @param None
  219. * @retval None
  220. */
  221. static void MX_USART2_UART_Init(void)
  222. {
  223. /* USER CODE BEGIN USART2_Init 0 */
  224. /* USER CODE END USART2_Init 0 */
  225. /* USER CODE BEGIN USART2_Init 1 */
  226. /* USER CODE END USART2_Init 1 */
  227. huart2.Instance = USART2;
  228. huart2.Init.BaudRate = 115200;
  229. huart2.Init.WordLength = UART_WORDLENGTH_8B;
  230. huart2.Init.StopBits = UART_STOPBITS_1;
  231. huart2.Init.Parity = UART_PARITY_NONE;
  232. huart2.Init.Mode = UART_MODE_TX_RX;
  233. huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  234. huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  235. if (HAL_UART_Init(&huart2) != HAL_OK)
  236. {
  237. Error_Handler();
  238. }
  239. /* USER CODE BEGIN USART2_Init 2 */
  240. /* USER CODE END USART2_Init 2 */
  241. }
  242. /**
  243. * @brief GPIO Initialization Function
  244. * @param None
  245. * @retval None
  246. */
  247. static void MX_GPIO_Init(void)
  248. {
  249. GPIO_InitTypeDef GPIO_InitStruct = {0};
  250. /* GPIO Ports Clock Enable */
  251. __HAL_RCC_GPIOC_CLK_ENABLE();
  252. __HAL_RCC_GPIOA_CLK_ENABLE();
  253. __HAL_RCC_GPIOB_CLK_ENABLE();
  254. /*Configure GPIO pin Output Level */
  255. HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0|GPIO_PIN_7, GPIO_PIN_RESET);
  256. /*Configure GPIO pins : PB0 PB7 */
  257. GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_7;
  258. GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  259. GPIO_InitStruct.Pull = GPIO_NOPULL;
  260. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  261. HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  262. }
  263. /* USER CODE BEGIN 4 */
  264. /* USER CODE END 4 */
  265. /**
  266. * @brief This function is executed in case of error occurrence.
  267. * @retval None
  268. */
  269. void Error_Handler(void)
  270. {
  271. /* USER CODE BEGIN Error_Handler_Debug */
  272. /* User can add his own implementation to report the HAL error return state */
  273. /* USER CODE END Error_Handler_Debug */
  274. }
  275. #ifdef USE_FULL_ASSERT
  276. /**
  277. * @brief Reports the name of the source file and the source line number
  278. * where the assert_param error has occurred.
  279. * @param file: pointer to the source file name
  280. * @param line: assert_param error line source number
  281. * @retval None
  282. */
  283. void assert_failed(uint8_t *file, uint32_t line)
  284. {
  285. /* USER CODE BEGIN 6 */
  286. /* User can add his own implementation to report the file name and line number,
  287. tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  288. /* USER CODE END 6 */
  289. }
  290. #endif /* USE_FULL_ASSERT */
  291. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/