/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file usart.c * @brief This file provides code for the configuration * of the USART instances. ****************************************************************************** * @attention * * Copyright (c) 2026 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "usart.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ UART_HandleTypeDef huart5; DMA_HandleTypeDef hdma_uart5_rx; /* UART5 init function */ void MX_UART5_Init(void) { /* USER CODE BEGIN UART5_Init 0 */ /* USER CODE END UART5_Init 0 */ /* USER CODE BEGIN UART5_Init 1 */ /* USER CODE END UART5_Init 1 */ huart5.Instance = UART5; huart5.Init.BaudRate = 100000; huart5.Init.WordLength = UART_WORDLENGTH_9B; huart5.Init.StopBits = UART_STOPBITS_1; huart5.Init.Parity = UART_PARITY_EVEN; huart5.Init.Mode = UART_MODE_TX_RX; huart5.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart5.Init.OverSampling = UART_OVERSAMPLING_16; huart5.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; huart5.Init.ClockPrescaler = UART_PRESCALER_DIV1; huart5.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; if (HAL_UART_Init(&huart5) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetTxFifoThreshold(&huart5, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetRxFifoThreshold(&huart5, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_DisableFifoMode(&huart5) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN UART5_Init 2 */ /* USER CODE END UART5_Init 2 */ } void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0}; if(uartHandle->Instance==UART5) { /* USER CODE BEGIN UART5_MspInit 0 */ /* USER CODE END UART5_MspInit 0 */ /** Initializes the peripherals clock */ PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_UART5; PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) { Error_Handler(); } /* UART5 clock enable */ __HAL_RCC_UART5_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); /**UART5 GPIO Configuration PC12 ------> UART5_TX PD2 ------> UART5_RX */ GPIO_InitStruct.Pin = GPIO_PIN_12; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF8_UART5; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_2; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF8_UART5; HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); /* UART5 DMA Init */ /* UART5_RX Init */ hdma_uart5_rx.Instance = DMA2_Stream5; hdma_uart5_rx.Init.Request = DMA_REQUEST_UART5_RX; hdma_uart5_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; hdma_uart5_rx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_uart5_rx.Init.MemInc = DMA_MINC_ENABLE; hdma_uart5_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_uart5_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_uart5_rx.Init.Mode = DMA_NORMAL; hdma_uart5_rx.Init.Priority = DMA_PRIORITY_HIGH; hdma_uart5_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_uart5_rx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmarx,hdma_uart5_rx); /* UART5 interrupt Init */ HAL_NVIC_SetPriority(UART5_IRQn, 5, 0); HAL_NVIC_EnableIRQ(UART5_IRQn); /* USER CODE BEGIN UART5_MspInit 1 */ /* USER CODE END UART5_MspInit 1 */ } } void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle) { if(uartHandle->Instance==UART5) { /* USER CODE BEGIN UART5_MspDeInit 0 */ /* USER CODE END UART5_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_UART5_CLK_DISABLE(); /**UART5 GPIO Configuration PC12 ------> UART5_TX PD2 ------> UART5_RX */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_12); HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2); /* UART5 DMA DeInit */ HAL_DMA_DeInit(uartHandle->hdmarx); /* UART5 interrupt Deinit */ HAL_NVIC_DisableIRQ(UART5_IRQn); /* USER CODE BEGIN UART5_MspDeInit 1 */ /* USER CODE END UART5_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */