main.c 8.4 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. SPI_HandleTypeDef hspi2;
  56. UART_HandleTypeDef huart1;
  57. /* USER CODE BEGIN PV */
  58. /* Private variables ---------------------------------------------------------*/
  59. /* USER CODE END PV */
  60. /* Private function prototypes -----------------------------------------------*/
  61. void SystemClock_Config(void);
  62. static void MX_GPIO_Init(void);
  63. static void MX_USART1_UART_Init(void);
  64. static void MX_SPI2_Init(void);
  65. /* USER CODE BEGIN PFP */
  66. /* Private function prototypes -----------------------------------------------*/
  67. /* USER CODE END PFP */
  68. /* Private user code ---------------------------------------------------------*/
  69. /* USER CODE BEGIN 0 */
  70. /* USER CODE END 0 */
  71. /**
  72. * @brief The application entry point.
  73. * @retval int
  74. */
  75. int main(void)
  76. {
  77. /* USER CODE BEGIN 1 */
  78. /* USER CODE END 1 */
  79. /* MCU Configuration--------------------------------------------------------*/
  80. /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  81. HAL_Init();
  82. /* USER CODE BEGIN Init */
  83. /* USER CODE END Init */
  84. /* Configure the system clock */
  85. SystemClock_Config();
  86. /* USER CODE BEGIN SysInit */
  87. /* USER CODE END SysInit */
  88. /* Initialize all configured peripherals */
  89. MX_GPIO_Init();
  90. MX_USART1_UART_Init();
  91. MX_SPI2_Init();
  92. /* USER CODE BEGIN 2 */
  93. /* USER CODE END 2 */
  94. /* Infinite loop */
  95. /* USER CODE BEGIN WHILE */
  96. while (1)
  97. {
  98. /* USER CODE END WHILE */
  99. /* USER CODE BEGIN 3 */
  100. }
  101. /* USER CODE END 3 */
  102. }
  103. /**
  104. * @brief System Clock Configuration
  105. * @retval None
  106. */
  107. void SystemClock_Config(void)
  108. {
  109. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  110. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  111. /**Initializes the CPU, AHB and APB busses clocks
  112. */
  113. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  114. RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  115. RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  116. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  117. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  118. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  119. RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  120. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  121. {
  122. Error_Handler();
  123. }
  124. /**Initializes the CPU, AHB and APB busses clocks
  125. */
  126. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  127. |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  128. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  129. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  130. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  131. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  132. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  133. {
  134. Error_Handler();
  135. }
  136. }
  137. /**
  138. * @brief SPI2 Initialization Function
  139. * @param None
  140. * @retval None
  141. */
  142. static void MX_SPI2_Init(void)
  143. {
  144. /* USER CODE BEGIN SPI2_Init 0 */
  145. /* USER CODE END SPI2_Init 0 */
  146. /* USER CODE BEGIN SPI2_Init 1 */
  147. /* USER CODE END SPI2_Init 1 */
  148. /* SPI2 parameter configuration*/
  149. hspi2.Instance = SPI2;
  150. hspi2.Init.Mode = SPI_MODE_MASTER;
  151. hspi2.Init.Direction = SPI_DIRECTION_2LINES;
  152. hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
  153. hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
  154. hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
  155. hspi2.Init.NSS = SPI_NSS_SOFT;
  156. hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
  157. hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
  158. hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
  159. hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  160. hspi2.Init.CRCPolynomial = 10;
  161. if (HAL_SPI_Init(&hspi2) != HAL_OK)
  162. {
  163. Error_Handler();
  164. }
  165. /* USER CODE BEGIN SPI2_Init 2 */
  166. /* USER CODE END SPI2_Init 2 */
  167. }
  168. /**
  169. * @brief USART1 Initialization Function
  170. * @param None
  171. * @retval None
  172. */
  173. static void MX_USART1_UART_Init(void)
  174. {
  175. /* USER CODE BEGIN USART1_Init 0 */
  176. /* USER CODE END USART1_Init 0 */
  177. /* USER CODE BEGIN USART1_Init 1 */
  178. /* USER CODE END USART1_Init 1 */
  179. huart1.Instance = USART1;
  180. huart1.Init.BaudRate = 115200;
  181. huart1.Init.WordLength = UART_WORDLENGTH_8B;
  182. huart1.Init.StopBits = UART_STOPBITS_1;
  183. huart1.Init.Parity = UART_PARITY_NONE;
  184. huart1.Init.Mode = UART_MODE_TX_RX;
  185. huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  186. huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  187. if (HAL_UART_Init(&huart1) != HAL_OK)
  188. {
  189. Error_Handler();
  190. }
  191. /* USER CODE BEGIN USART1_Init 2 */
  192. /* USER CODE END USART1_Init 2 */
  193. }
  194. /**
  195. * @brief GPIO Initialization Function
  196. * @param None
  197. * @retval None
  198. */
  199. static void MX_GPIO_Init(void)
  200. {
  201. /* GPIO Ports Clock Enable */
  202. __HAL_RCC_GPIOD_CLK_ENABLE();
  203. __HAL_RCC_GPIOB_CLK_ENABLE();
  204. __HAL_RCC_GPIOA_CLK_ENABLE();
  205. }
  206. /* USER CODE BEGIN 4 */
  207. /* USER CODE END 4 */
  208. /**
  209. * @brief This function is executed in case of error occurrence.
  210. * @retval None
  211. */
  212. void Error_Handler(void)
  213. {
  214. /* USER CODE BEGIN Error_Handler_Debug */
  215. /* User can add his own implementation to report the HAL error return state */
  216. while(1)
  217. {
  218. }
  219. /* USER CODE END Error_Handler_Debug */
  220. }
  221. #ifdef USE_FULL_ASSERT
  222. /**
  223. * @brief Reports the name of the source file and the source line number
  224. * where the assert_param error has occurred.
  225. * @param file: pointer to the source file name
  226. * @param line: assert_param error line source number
  227. * @retval None
  228. */
  229. void assert_failed(uint8_t *file, uint32_t line)
  230. {
  231. /* USER CODE BEGIN 6 */
  232. /* User can add his own implementation to report the file name and line number,
  233. tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  234. /* USER CODE END 6 */
  235. }
  236. #endif /* USE_FULL_ASSERT */
  237. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/