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- /* USER CODE BEGIN Header */
- /**
- ******************************************************************************
- * @file usart.c
- * @brief This file provides code for the configuration
- * of the USART instances.
- ******************************************************************************
- * @attention
- *
- * Copyright (c) 2024 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 */
- char g_usart3_rx_buf[USART3_REC_LEN];
- char g_usart3_rx_sta = 0; // 接收完成标志 0x33:接收完成
- uint8_t g_usart3_rx_len = 0;
- char g_usart2_rx_buf[USART2_REC_LEN];
- char g_usart2_rx_sta = 0;
- uint8_t g_usart2_rx_len = 0;
- /* USER CODE END 0 */
- UART_HandleTypeDef huart1;
- UART_HandleTypeDef huart2;
- UART_HandleTypeDef huart3;
- DMA_HandleTypeDef hdma_usart2_rx;
- DMA_HandleTypeDef hdma_usart3_tx;
- DMA_HandleTypeDef hdma_usart3_rx;
- /* USART1 init function */
- void MX_USART1_UART_Init(void)
- {
- /* USER CODE BEGIN USART1_Init 0 */
- /* USER CODE END USART1_Init 0 */
- /* USER CODE BEGIN USART1_Init 1 */
- /* USER CODE END USART1_Init 1 */
- huart1.Instance = USART1;
- huart1.Init.BaudRate = 115200;
- huart1.Init.WordLength = UART_WORDLENGTH_8B;
- huart1.Init.StopBits = UART_STOPBITS_1;
- huart1.Init.Parity = UART_PARITY_NONE;
- huart1.Init.Mode = UART_MODE_TX_RX;
- huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
- huart1.Init.OverSampling = UART_OVERSAMPLING_16;
- if (HAL_UART_Init(&huart1) != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN USART1_Init 2 */
- /* USER CODE END USART1_Init 2 */
- }
- /* USART2 init function */
- void MX_USART2_UART_Init(void)
- {
- /* USER CODE BEGIN USART2_Init 0 */
- /* USER CODE END USART2_Init 0 */
- /* USER CODE BEGIN USART2_Init 1 */
- /* USER CODE END USART2_Init 1 */
- huart2.Instance = USART2;
- huart2.Init.BaudRate = 115200;
- huart2.Init.WordLength = UART_WORDLENGTH_8B;
- huart2.Init.StopBits = UART_STOPBITS_1;
- huart2.Init.Parity = UART_PARITY_NONE;
- huart2.Init.Mode = UART_MODE_TX_RX;
- huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
- huart2.Init.OverSampling = UART_OVERSAMPLING_16;
- if (HAL_UART_Init(&huart2) != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN USART2_Init 2 */
- __HAL_UART_ENABLE_IT(&huart2, UART_IT_IDLE);
- /* USER CODE END USART2_Init 2 */
- }
- /* USART3 init function */
- void MX_USART3_UART_Init(void)
- {
- /* USER CODE BEGIN USART3_Init 0 */
- /* USER CODE END USART3_Init 0 */
- /* USER CODE BEGIN USART3_Init 1 */
- /* USER CODE END USART3_Init 1 */
- huart3.Instance = USART3;
- huart3.Init.BaudRate = 115200;
- huart3.Init.WordLength = UART_WORDLENGTH_8B;
- huart3.Init.StopBits = UART_STOPBITS_1;
- huart3.Init.Parity = UART_PARITY_NONE;
- huart3.Init.Mode = UART_MODE_TX_RX;
- huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
- huart3.Init.OverSampling = UART_OVERSAMPLING_16;
- if (HAL_UART_Init(&huart3) != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN USART3_Init 2 */
- // __HAL_UART_ENABLE_IT(&huart3, UART_IT_RXNE);
- __HAL_UART_ENABLE_IT(&huart3, UART_IT_IDLE);
- // __HAL_UART_ENABLE_IT(&huart3, UART_IT_TXE);
- /* USER CODE END USART3_Init 2 */
- }
- void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
- {
- GPIO_InitTypeDef GPIO_InitStruct = {0};
- if(uartHandle->Instance==USART1)
- {
- /* USER CODE BEGIN USART1_MspInit 0 */
- /* USER CODE END USART1_MspInit 0 */
- /* USART1 clock enable */
- __HAL_RCC_USART1_CLK_ENABLE();
- __HAL_RCC_GPIOA_CLK_ENABLE();
- /**USART1 GPIO Configuration
- PA9 ------> USART1_TX
- PA10 ------> USART1_RX
- */
- GPIO_InitStruct.Pin = GPIO_PIN_9;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
- GPIO_InitStruct.Pin = GPIO_PIN_10;
- GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
- /* USART1 interrupt Init */
- HAL_NVIC_SetPriority(USART1_IRQn, 5, 0);
- HAL_NVIC_EnableIRQ(USART1_IRQn);
- /* USER CODE BEGIN USART1_MspInit 1 */
- /* USER CODE END USART1_MspInit 1 */
- }
- else if(uartHandle->Instance==USART2)
- {
- /* USER CODE BEGIN USART2_MspInit 0 */
- /* USER CODE END USART2_MspInit 0 */
- /* USART2 clock enable */
- __HAL_RCC_USART2_CLK_ENABLE();
- __HAL_RCC_GPIOA_CLK_ENABLE();
- /**USART2 GPIO Configuration
- PA2 ------> USART2_TX
- PA3 ------> USART2_RX
- */
- GPIO_InitStruct.Pin = GPIO_PIN_2;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
- GPIO_InitStruct.Pin = GPIO_PIN_3;
- GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
- /* USART2 DMA Init */
- /* USART2_RX Init */
- hdma_usart2_rx.Instance = DMA1_Channel6;
- hdma_usart2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
- hdma_usart2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_usart2_rx.Init.MemInc = DMA_MINC_ENABLE;
- hdma_usart2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
- hdma_usart2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
- hdma_usart2_rx.Init.Mode = DMA_NORMAL;
- hdma_usart2_rx.Init.Priority = DMA_PRIORITY_LOW;
- if (HAL_DMA_Init(&hdma_usart2_rx) != HAL_OK)
- {
- Error_Handler();
- }
- __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart2_rx);
- /* USART2 interrupt Init */
- HAL_NVIC_SetPriority(USART2_IRQn, 5, 0);
- HAL_NVIC_EnableIRQ(USART2_IRQn);
- /* USER CODE BEGIN USART2_MspInit 1 */
- /* USER CODE END USART2_MspInit 1 */
- }
- else if(uartHandle->Instance==USART3)
- {
- /* USER CODE BEGIN USART3_MspInit 0 */
- /* USER CODE END USART3_MspInit 0 */
- /* USART3 clock enable */
- __HAL_RCC_USART3_CLK_ENABLE();
- __HAL_RCC_GPIOD_CLK_ENABLE();
- /**USART3 GPIO Configuration
- PD8 ------> USART3_TX
- PD9 ------> USART3_RX
- */
- GPIO_InitStruct.Pin = GPIO_PIN_8;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
- GPIO_InitStruct.Pin = GPIO_PIN_9;
- GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
- __HAL_AFIO_REMAP_USART3_ENABLE();
- /* USART3 DMA Init */
- /* USART3_TX Init */
- hdma_usart3_tx.Instance = DMA1_Channel2;
- hdma_usart3_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
- hdma_usart3_tx.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_usart3_tx.Init.MemInc = DMA_MINC_ENABLE;
- hdma_usart3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
- hdma_usart3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
- hdma_usart3_tx.Init.Mode = DMA_NORMAL;
- hdma_usart3_tx.Init.Priority = DMA_PRIORITY_HIGH;
- if (HAL_DMA_Init(&hdma_usart3_tx) != HAL_OK)
- {
- Error_Handler();
- }
- __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart3_tx);
- /* USART3_RX Init */
- hdma_usart3_rx.Instance = DMA1_Channel3;
- hdma_usart3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
- hdma_usart3_rx.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_usart3_rx.Init.MemInc = DMA_MINC_ENABLE;
- hdma_usart3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
- hdma_usart3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
- hdma_usart3_rx.Init.Mode = DMA_NORMAL;
- hdma_usart3_rx.Init.Priority = DMA_PRIORITY_LOW;
- if (HAL_DMA_Init(&hdma_usart3_rx) != HAL_OK)
- {
- Error_Handler();
- }
- __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart3_rx);
- /* USART3 interrupt Init */
- HAL_NVIC_SetPriority(USART3_IRQn, 5, 0);
- HAL_NVIC_EnableIRQ(USART3_IRQn);
- /* USER CODE BEGIN USART3_MspInit 1 */
- /* USER CODE END USART3_MspInit 1 */
- }
- }
- void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
- {
- if(uartHandle->Instance==USART1)
- {
- /* USER CODE BEGIN USART1_MspDeInit 0 */
- /* USER CODE END USART1_MspDeInit 0 */
- /* Peripheral clock disable */
- __HAL_RCC_USART1_CLK_DISABLE();
- /**USART1 GPIO Configuration
- PA9 ------> USART1_TX
- PA10 ------> USART1_RX
- */
- HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
- /* USART1 interrupt Deinit */
- HAL_NVIC_DisableIRQ(USART1_IRQn);
- /* USER CODE BEGIN USART1_MspDeInit 1 */
- /* USER CODE END USART1_MspDeInit 1 */
- }
- else if(uartHandle->Instance==USART2)
- {
- /* USER CODE BEGIN USART2_MspDeInit 0 */
- /* USER CODE END USART2_MspDeInit 0 */
- /* Peripheral clock disable */
- __HAL_RCC_USART2_CLK_DISABLE();
- /**USART2 GPIO Configuration
- PA2 ------> USART2_TX
- PA3 ------> USART2_RX
- */
- HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
- /* USART2 DMA DeInit */
- HAL_DMA_DeInit(uartHandle->hdmarx);
- /* USART2 interrupt Deinit */
- HAL_NVIC_DisableIRQ(USART2_IRQn);
- /* USER CODE BEGIN USART2_MspDeInit 1 */
- /* USER CODE END USART2_MspDeInit 1 */
- }
- else if(uartHandle->Instance==USART3)
- {
- /* USER CODE BEGIN USART3_MspDeInit 0 */
- /* USER CODE END USART3_MspDeInit 0 */
- /* Peripheral clock disable */
- __HAL_RCC_USART3_CLK_DISABLE();
- /**USART3 GPIO Configuration
- PD8 ------> USART3_TX
- PD9 ------> USART3_RX
- */
- HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9);
- /* USART3 DMA DeInit */
- HAL_DMA_DeInit(uartHandle->hdmatx);
- HAL_DMA_DeInit(uartHandle->hdmarx);
- /* USART3 interrupt Deinit */
- HAL_NVIC_DisableIRQ(USART3_IRQn);
- /* USER CODE BEGIN USART3_MspDeInit 1 */
- /* USER CODE END USART3_MspDeInit 1 */
- }
- }
- /* USER CODE BEGIN 1 */
- //void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
- //{
- // HAL_StatusTypeDef flag = 0;
- // if(huart->Instance == USART3){
- // HAL_UARTEx_ReceiveToIdle_IT(huart,(uint8_t *)g_usart3_rx_buf,USART3_REC_LEN);
- // if(flag == HAL_OK){
- // g_usart3_rx_sta = 0x33;
- // }
- //
- // }
- //
- //}
- //void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
- //{
- // if(huart->Instance == USART3)
- // {
- //
- // }
- //}
- //void HAL_UART_IdleCpltCallback(UART_HandleTypeDef *huart)
- //{
- // if(huart->Instance == USART3)
- // {
- // RxFlag = 1;//置位接收完成标志
- //
- // }
- //}
- /* USER CODE END 1 */
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