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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) 2020 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.  
  21. /* Includes ------------------------------------------------------------------*/
  22. #include "main.h"
  23.  
  24. /* Private includes ----------------------------------------------------------*/
  25. /* USER CODE BEGIN Includes */
  26.  
  27. /* USER CODE END Includes */
  28.  
  29. /* Private typedef -----------------------------------------------------------*/
  30. /* USER CODE BEGIN PTD */
  31.  
  32. /* USER CODE END PTD */
  33.  
  34. /* Private define ------------------------------------------------------------*/
  35. /* USER CODE BEGIN PD */
  36. /* USER CODE END PD */
  37.  
  38. /* Private macro -------------------------------------------------------------*/
  39. /* USER CODE BEGIN PM */
  40.  
  41. /* USER CODE END PM */
  42.  
  43. /* Private variables ---------------------------------------------------------*/
  44. DAC_HandleTypeDef hdac1;
  45. DMA_HandleTypeDef hdma_dac1_ch2;
  46.  
  47. TIM_HandleTypeDef htim6;
  48.  
  49. /* USER CODE BEGIN PV */
  50.  
  51. /* USER CODE END PV */
  52.  
  53. /* Private function prototypes -----------------------------------------------*/
  54. void SystemClock_Config(void);
  55. static void MX_GPIO_Init(void);
  56. static void MX_DMA_Init(void);
  57. static void MX_DAC1_Init(void);
  58. static void MX_TIM6_Init(void);
  59. /* USER CODE BEGIN PFP */
  60.  
  61. /* USER CODE END PFP */
  62.  
  63. /* Private user code ---------------------------------------------------------*/
  64. /* USER CODE BEGIN 0 */
  65.  
  66. /* USER CODE END 0 */
  67.  
  68. /**
  69.   * @brief  The application entry point.
  70.   * @retval int
  71.   */
  72. int main(void)
  73. {
  74.   /* USER CODE BEGIN 1 */
  75.  
  76.   /* USER CODE END 1 */
  77.  
  78.   /* MCU Configuration--------------------------------------------------------*/
  79.  
  80.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  81.   HAL_Init();
  82.  
  83.   /* USER CODE BEGIN Init */
  84.  
  85.   /* USER CODE END Init */
  86.  
  87.   /* Configure the system clock */
  88.   SystemClock_Config();
  89.  
  90.   /* USER CODE BEGIN SysInit */
  91.  
  92.   /* USER CODE END SysInit */
  93.  
  94.   /* Initialize all configured peripherals */
  95.   MX_GPIO_Init();
  96.   MX_DMA_Init();
  97.   MX_DAC1_Init();
  98.   MX_TIM6_Init();
  99.   /* USER CODE BEGIN 2 */
  100.  
  101.   const uint16_t testdac[2] = {4000,100};
  102.   if(HAL_DAC_Start_DMA(&hdac1, DAC_CHANNEL_2, (uint32_t *)testdac, 2, DAC_ALIGN_12B_R) != HAL_OK){
  103.      /* DAC conversion start error */
  104.         Error_Handler();
  105.   }
  106.   HAL_TIM_Base_Start(&htim6);
  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.   }
  118.   /* USER CODE END 3 */
  119. }
  120.  
  121. /**
  122.   * @brief System Clock Configuration
  123.   * @retval None
  124.   */
  125. void SystemClock_Config(void)
  126. {
  127.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  128.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  129.  
  130.   /** Configure the main internal regulator output voltage
  131.   */
  132.   HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
  133.   /** Initializes the CPU, AHB and APB busses clocks
  134.   */
  135.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  136.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  137.   RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  138.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  139.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  140.   RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV4;
  141.   RCC_OscInitStruct.PLL.PLLN = 75;
  142.   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  143.   RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
  144.   RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
  145.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  146.   {
  147.     Error_Handler();
  148.   }
  149.   /** Initializes the CPU, AHB and APB busses clocks
  150.   */
  151.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  152.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  153.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  154.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  155.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  156.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  157.  
  158.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_7) != HAL_OK)
  159.   {
  160.     Error_Handler();
  161.   }
  162. }
  163.  
  164. /**
  165.   * @brief DAC1 Initialization Function
  166.   * @param None
  167.   * @retval None
  168.   */
  169. static void MX_DAC1_Init(void)
  170. {
  171.  
  172.   /* USER CODE BEGIN DAC1_Init 0 */
  173.  
  174.   /* USER CODE END DAC1_Init 0 */
  175.  
  176.   DAC_ChannelConfTypeDef sConfig = {0};
  177.  
  178.   /* USER CODE BEGIN DAC1_Init 1 */
  179.  
  180.   /* USER CODE END DAC1_Init 1 */
  181.   /** DAC Initialization
  182.   */
  183.   hdac1.Instance = DAC1;
  184.   if (HAL_DAC_Init(&hdac1) != HAL_OK)
  185.   {
  186.     Error_Handler();
  187.   }
  188.   /** DAC channel OUT2 config
  189.   */
  190.   sConfig.DAC_HighFrequency = DAC_HIGH_FREQUENCY_INTERFACE_MODE_AUTOMATIC;
  191.   sConfig.DAC_DMADoubleDataMode = DISABLE;
  192.   sConfig.DAC_SignedFormat = DISABLE;
  193.   sConfig.DAC_SampleAndHold = DAC_SAMPLEANDHOLD_DISABLE;
  194.   sConfig.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
  195.   sConfig.DAC_Trigger2 = DAC_TRIGGER_NONE;
  196.   sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
  197.   sConfig.DAC_ConnectOnChipPeripheral = DAC_CHIPCONNECT_DISABLE;
  198.   sConfig.DAC_UserTrimming = DAC_TRIMMING_FACTORY;
  199.   if (HAL_DAC_ConfigChannel(&hdac1, &sConfig, DAC_CHANNEL_2) != HAL_OK)
  200.   {
  201.     Error_Handler();
  202.   }
  203.   /* USER CODE BEGIN DAC1_Init 2 */
  204.  
  205.   /* USER CODE END DAC1_Init 2 */
  206.  
  207. }
  208.  
  209. /**
  210.   * @brief TIM6 Initialization Function
  211.   * @param None
  212.   * @retval None
  213.   */
  214. static void MX_TIM6_Init(void)
  215. {
  216.  
  217.   /* USER CODE BEGIN TIM6_Init 0 */
  218.  
  219.   /* USER CODE END TIM6_Init 0 */
  220.  
  221.   TIM_MasterConfigTypeDef sMasterConfig = {0};
  222.  
  223.   /* USER CODE BEGIN TIM6_Init 1 */
  224.  
  225.   /* USER CODE END TIM6_Init 1 */
  226.   htim6.Instance = TIM6;
  227.   htim6.Init.Prescaler = 1190;
  228.   htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
  229.   htim6.Init.Period = 62499;
  230.   htim6.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  231.   if (HAL_TIM_Base_Init(&htim6) != HAL_OK)
  232.   {
  233.     Error_Handler();
  234.   }
  235.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
  236.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  237.   if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)
  238.   {
  239.     Error_Handler();
  240.   }
  241.   /* USER CODE BEGIN TIM6_Init 2 */
  242.  
  243.   /* USER CODE END TIM6_Init 2 */
  244.  
  245. }
  246.  
  247. /**
  248.   * Enable DMA controller clock
  249.   */
  250. static void MX_DMA_Init(void)
  251. {
  252.  
  253.   /* DMA controller clock enable */
  254.   __HAL_RCC_DMAMUX1_CLK_ENABLE();
  255.   __HAL_RCC_DMA1_CLK_ENABLE();
  256.  
  257.   /* DMA interrupt init */
  258.   /* DMA1_Channel1_IRQn interrupt configuration */
  259.   HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
  260.   HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
  261.  
  262. }
  263.  
  264. /**
  265.   * @brief GPIO Initialization Function
  266.   * @param None
  267.   * @retval None
  268.   */
  269. static void MX_GPIO_Init(void)
  270. {
  271.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  272.  
  273.   /* GPIO Ports Clock Enable */
  274.   __HAL_RCC_GPIOC_CLK_ENABLE();
  275.   __HAL_RCC_GPIOF_CLK_ENABLE();
  276.   __HAL_RCC_GPIOA_CLK_ENABLE();
  277.   __HAL_RCC_GPIOB_CLK_ENABLE();
  278.  
  279.   /*Configure GPIO pin : B1_Pin */
  280.   GPIO_InitStruct.Pin = B1_Pin;
  281.   GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
  282.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  283.   HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
  284.  
  285.   /*Configure GPIO pins : LPUART1_TX_Pin LPUART1_RX_Pin */
  286.   GPIO_InitStruct.Pin = LPUART1_TX_Pin|LPUART1_RX_Pin;
  287.   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  288.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  289.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  290.   GPIO_InitStruct.Alternate = GPIO_AF12_LPUART1;
  291.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  292.  
  293.   /* EXTI interrupt init*/
  294.   HAL_NVIC_SetPriority(EXTI15_10_IRQn, 0, 0);
  295.   HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);
  296.  
  297. }
  298.  
  299. /* USER CODE BEGIN 4 */
  300.  
  301. /* USER CODE END 4 */
  302.  
  303. /**
  304.   * @brief  This function is executed in case of error occurrence.
  305.   * @retval None
  306.   */
  307. void Error_Handler(void)
  308. {
  309.   /* USER CODE BEGIN Error_Handler_Debug */
  310.   /* User can add his own implementation to report the HAL error return state */
  311.  
  312.   /* USER CODE END Error_Handler_Debug */
  313. }
  314.  
  315. #ifdef  USE_FULL_ASSERT
  316. /**
  317.   * @brief  Reports the name of the source file and the source line number
  318.   *         where the assert_param error has occurred.
  319.   * @param  file: pointer to the source file name
  320.   * @param  line: assert_param error line source number
  321.   * @retval None
  322.   */
  323. void assert_failed(uint8_t *file, uint32_t line)
  324. {
  325.   /* USER CODE BEGIN 6 */
  326.   /* User can add his own implementation to report the file name and line number,
  327.      tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  328.   /* USER CODE END 6 */
  329. }
  330. #endif /* USE_FULL_ASSERT */
  331.  
  332. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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