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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 Ultimate Liberty license
  13.   * SLA0044, the "License"; You may not use this file except in compliance with
  14.   * the License. You may obtain a copy of the License at:
  15.   *                             www.st.com/SLA0044
  16.   *
  17.   ******************************************************************************
  18.   */
  19. /* USER CODE END Header */
  20.  
  21. /* Includes ------------------------------------------------------------------*/
  22. #include "main.h"
  23. #include "usb_device.h"
  24.  
  25. /* Private includes ----------------------------------------------------------*/
  26. /* USER CODE BEGIN Includes */
  27. #include "leds.h"
  28. /* Includes ------------------------------------------------------------------*/
  29. #include "usbd_cdc_if.h"
  30.  
  31. /* USER CODE END Includes */
  32.  
  33. /* Private typedef -----------------------------------------------------------*/
  34. /* USER CODE BEGIN PTD */
  35.  
  36. /* USER CODE END PTD */
  37.  
  38. /* Private define ------------------------------------------------------------*/
  39. /* USER CODE BEGIN PD */
  40.  
  41. /* USER CODE END PD */
  42.  
  43. /* Private macro -------------------------------------------------------------*/
  44. /* USER CODE BEGIN PM */
  45.  
  46. /* USER CODE END PM */
  47.  
  48. /* Private variables ---------------------------------------------------------*/
  49. SPI_HandleTypeDef hspi1;
  50. DMA_HandleTypeDef hdma_spi1_tx;
  51.  
  52. UART_HandleTypeDef huart1;
  53.  
  54. /* USER CODE BEGIN PV */
  55.  
  56. /* USER CODE END PV */
  57.  
  58. /* Private function prototypes -----------------------------------------------*/
  59. void SystemClock_Config(void);
  60. static void MX_GPIO_Init(void);
  61. static void MX_DMA_Init(void);
  62. static void MX_SPI1_Init(void);
  63. static void MX_USART1_UART_Init(void);
  64. /* USER CODE BEGIN PFP */
  65.  
  66. /* USER CODE END PFP */
  67.  
  68. /* Private user code ---------------------------------------------------------*/
  69. /* USER CODE BEGIN 0 */
  70.  
  71. /* USER CODE END 0 */
  72.  
  73. /**
  74.   * @brief  The application entry point.
  75.   * @retval int
  76.   */
  77. int main(void)
  78. {
  79.   /* USER CODE BEGIN 1 */
  80.  
  81.   /* USER CODE END 1 */
  82.  
  83.  
  84.   /* MCU Configuration--------------------------------------------------------*/
  85.  
  86.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  87.   HAL_Init();
  88.  
  89.   /* USER CODE BEGIN Init */
  90.  
  91.   /* USER CODE END Init */
  92.  
  93.   /* Configure the system clock */
  94.   SystemClock_Config();
  95.  
  96.   /* USER CODE BEGIN SysInit */
  97.  
  98.   /* USER CODE END SysInit */
  99.  
  100.   /* Initialize all configured peripherals */
  101.   MX_GPIO_Init();
  102.   MX_DMA_Init();
  103.   MX_SPI1_Init();
  104.   MX_USART1_UART_Init();
  105.   MX_USB_DEVICE_Init();
  106.   /* USER CODE BEGIN 2 */
  107.  
  108.   /* USER CODE END 2 */
  109.  
  110.   /* Infinite loop */
  111.   /* USER CODE BEGIN WHILE */
  112.   while (1)
  113.   {
  114.     /* USER CODE END WHILE */
  115.  
  116.     /* USER CODE BEGIN 3 */
  117.     CDC_Transmit_FS("boop\r\n",6);
  118.     sendLeds();
  119.     HAL_Delay(100);
  120.  
  121.   }
  122.   /* USER CODE END 3 */
  123. }
  124.  
  125. /**
  126.   * @brief System Clock Configuration
  127.   * @retval None
  128.   */
  129. void SystemClock_Config(void)
  130. {
  131.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  132.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  133.   RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
  134.  
  135.   /** Initializes the CPU, AHB and APB busses clocks
  136.   */
  137.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  138.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  139.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  140.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  141.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  142.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  143.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  144.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  145.   {
  146.     Error_Handler();
  147.   }
  148.   /** Initializes the CPU, AHB and APB busses clocks
  149.   */
  150.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  151.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  152.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  153.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  154.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  155.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  156.  
  157.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  158.   {
  159.     Error_Handler();
  160.   }
  161.   PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
  162.   PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
  163.   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  164.   {
  165.     Error_Handler();
  166.   }
  167. }
  168.  
  169. /**
  170.   * @brief SPI1 Initialization Function
  171.   * @param None
  172.   * @retval None
  173.   */
  174. static void MX_SPI1_Init(void)
  175. {
  176.  
  177.   /* USER CODE BEGIN SPI1_Init 0 */
  178.  
  179.   /* USER CODE END SPI1_Init 0 */
  180.  
  181.   /* USER CODE BEGIN SPI1_Init 1 */
  182.  
  183.   /* USER CODE END SPI1_Init 1 */
  184.   /* SPI1 parameter configuration*/
  185.   hspi1.Instance = SPI1;
  186.   hspi1.Init.Mode = SPI_MODE_MASTER;
  187.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  188.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  189.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  190.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  191.   hspi1.Init.NSS = SPI_NSS_SOFT;
  192.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
  193.   hspi1.Init.FirstBit = SPI_FIRSTBIT_LSB;
  194.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  195.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  196.   hspi1.Init.CRCPolynomial = 10;
  197.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  198.   {
  199.     Error_Handler();
  200.   }
  201.   /* USER CODE BEGIN SPI1_Init 2 */
  202.  
  203.   /* USER CODE END SPI1_Init 2 */
  204.  
  205. }
  206.  
  207. /**
  208.   * @brief USART1 Initialization Function
  209.   * @param None
  210.   * @retval None
  211.   */
  212. static void MX_USART1_UART_Init(void)
  213. {
  214.  
  215.   /* USER CODE BEGIN USART1_Init 0 */
  216.  
  217.   /* USER CODE END USART1_Init 0 */
  218.  
  219.   /* USER CODE BEGIN USART1_Init 1 */
  220.  
  221.   /* USER CODE END USART1_Init 1 */
  222.   huart1.Instance = USART1;
  223.   huart1.Init.BaudRate = 115200;
  224.   huart1.Init.WordLength = UART_WORDLENGTH_8B;
  225.   huart1.Init.StopBits = UART_STOPBITS_1;
  226.   huart1.Init.Parity = UART_PARITY_NONE;
  227.   huart1.Init.Mode = UART_MODE_TX_RX;
  228.   huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  229.   huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  230.   if (HAL_UART_Init(&huart1) != HAL_OK)
  231.   {
  232.     Error_Handler();
  233.   }
  234.   /* USER CODE BEGIN USART1_Init 2 */
  235.  
  236.   /* USER CODE END USART1_Init 2 */
  237.  
  238. }
  239.  
  240. /**
  241.   * Enable DMA controller clock
  242.   */
  243. static void MX_DMA_Init(void)
  244. {
  245.   /* DMA controller clock enable */
  246.   __HAL_RCC_DMA1_CLK_ENABLE();
  247.  
  248.   /* DMA interrupt init */
  249.   /* DMA1_Channel3_IRQn interrupt configuration */
  250.   HAL_NVIC_SetPriority(DMA1_Channel3_IRQn, 0, 0);
  251.   HAL_NVIC_EnableIRQ(DMA1_Channel3_IRQn);
  252.  
  253. }
  254.  
  255. /**
  256.   * @brief GPIO Initialization Function
  257.   * @param None
  258.   * @retval None
  259.   */
  260. static void MX_GPIO_Init(void)
  261. {
  262.  
  263.   /* GPIO Ports Clock Enable */
  264.   __HAL_RCC_GPIOD_CLK_ENABLE();
  265.   __HAL_RCC_GPIOA_CLK_ENABLE();
  266.  
  267. }
  268.  
  269. /* USER CODE BEGIN 4 */
  270.  
  271. /* USER CODE END 4 */
  272.  
  273. /**
  274.   * @brief  This function is executed in case of error occurrence.
  275.   * @retval None
  276.   */
  277. void Error_Handler(void)
  278. {
  279.   /* USER CODE BEGIN Error_Handler_Debug */
  280.   /* User can add his own implementation to report the HAL error return state */
  281.  
  282.   /* USER CODE END Error_Handler_Debug */
  283. }
  284.  
  285. #ifdef  USE_FULL_ASSERT
  286. /**
  287.   * @brief  Reports the name of the source file and the source line number
  288.   *         where the assert_param error has occurred.
  289.   * @param  file: pointer to the source file name
  290.   * @param  line: assert_param error line source number
  291.   * @retval None
  292.   */
  293. void assert_failed(uint8_t *file, uint32_t line)
  294. {
  295.   /* USER CODE BEGIN 6 */
  296.   /* User can add his own implementation to report the file name and line number,
  297.      tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  298.   /* USER CODE END 6 */
  299. }
  300. #endif /* USE_FULL_ASSERT */
  301.  
  302. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  303.