178 lines
4.9 KiB
C
178 lines
4.9 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file usart.c
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* @brief This file provides code for the configuration
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* of the USART instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2026 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "usart.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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UART_HandleTypeDef huart5;
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DMA_HandleTypeDef hdma_uart5_rx;
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/* UART5 init function */
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void MX_UART5_Init(void)
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{
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/* USER CODE BEGIN UART5_Init 0 */
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/* USER CODE END UART5_Init 0 */
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/* USER CODE BEGIN UART5_Init 1 */
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/* USER CODE END UART5_Init 1 */
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huart5.Instance = UART5;
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huart5.Init.BaudRate = 100000;
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huart5.Init.WordLength = UART_WORDLENGTH_9B;
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huart5.Init.StopBits = UART_STOPBITS_2;
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huart5.Init.Parity = UART_PARITY_EVEN;
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huart5.Init.Mode = UART_MODE_RX;
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huart5.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart5.Init.OverSampling = UART_OVERSAMPLING_16;
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huart5.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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huart5.Init.ClockPrescaler = UART_PRESCALER_DIV1;
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huart5.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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if (HAL_UART_Init(&huart5) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_UARTEx_SetTxFifoThreshold(&huart5, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_UARTEx_SetRxFifoThreshold(&huart5, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_UARTEx_DisableFifoMode(&huart5) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN UART5_Init 2 */
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/* USER CODE END UART5_Init 2 */
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}
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void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
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if(uartHandle->Instance==UART5)
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{
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/* USER CODE BEGIN UART5_MspInit 0 */
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/* USER CODE END UART5_MspInit 0 */
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/** Initializes the peripherals clock
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*/
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_UART5;
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PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/* UART5 clock enable */
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__HAL_RCC_UART5_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/**UART5 GPIO Configuration
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PB12 ------> UART5_RX
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PC12 ------> UART5_TX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_12;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF14_UART5;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_12;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF8_UART5;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/* UART5 DMA Init */
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/* UART5_RX Init */
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hdma_uart5_rx.Instance = DMA1_Stream2;
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hdma_uart5_rx.Init.Request = DMA_REQUEST_UART5_RX;
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hdma_uart5_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
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hdma_uart5_rx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_uart5_rx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_uart5_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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hdma_uart5_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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hdma_uart5_rx.Init.Mode = DMA_NORMAL;
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hdma_uart5_rx.Init.Priority = DMA_PRIORITY_LOW;
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hdma_uart5_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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if (HAL_DMA_Init(&hdma_uart5_rx) != HAL_OK)
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{
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Error_Handler();
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}
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__HAL_LINKDMA(uartHandle,hdmarx,hdma_uart5_rx);
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/* UART5 interrupt Init */
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HAL_NVIC_SetPriority(UART5_IRQn, 5, 0);
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HAL_NVIC_EnableIRQ(UART5_IRQn);
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/* USER CODE BEGIN UART5_MspInit 1 */
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/* USER CODE END UART5_MspInit 1 */
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}
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}
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void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
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{
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if(uartHandle->Instance==UART5)
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{
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/* USER CODE BEGIN UART5_MspDeInit 0 */
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/* USER CODE END UART5_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_UART5_CLK_DISABLE();
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/**UART5 GPIO Configuration
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PB12 ------> UART5_RX
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PC12 ------> UART5_TX
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_12);
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_12);
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/* UART5 DMA DeInit */
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HAL_DMA_DeInit(uartHandle->hdmarx);
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/* UART5 interrupt Deinit */
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HAL_NVIC_DisableIRQ(UART5_IRQn);
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/* USER CODE BEGIN UART5_MspDeInit 1 */
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/* USER CODE END UART5_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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