643 lines
18 KiB
C
643 lines
18 KiB
C
/* USER CODE BEGIN Header */
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include "apps_gather.h"
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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) 2024 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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st_scom scom1_hart;
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st_scom scom2_rs485;
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st_scom scom6_ble;
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// st_scom_device scom_device[3];
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// st_scom_device scom_device[] = {
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// {1, "scom1_hart", &scom1_hart},
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// {2, "scom2_hart", &scom2_rs485},
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// {6, "scom6_hart", &scom6_ble}};
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/* USER CODE END 0 */
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UART_HandleTypeDef huart1;
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UART_HandleTypeDef huart2;
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UART_HandleTypeDef huart3;
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UART_HandleTypeDef huart6;
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DMA_HandleTypeDef hdma_usart1_tx;
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DMA_HandleTypeDef hdma_usart1_rx;
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DMA_HandleTypeDef hdma_usart2_tx;
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DMA_HandleTypeDef hdma_usart2_rx;
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DMA_HandleTypeDef hdma_usart6_tx;
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DMA_HandleTypeDef hdma_usart6_rx;
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/* USART1 init function */
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void MX_USART1_UART_Init(void)
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{
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/* USER CODE BEGIN USART1_Init 0 */
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/* USER CODE END USART1_Init 0 */
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/* USER CODE BEGIN USART1_Init 1 */
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/* USER CODE END USART1_Init 1 */
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huart1.Instance = USART1;
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huart1.Init.BaudRate = 1200;
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huart1.Init.WordLength = UART_WORDLENGTH_9B;
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huart1.Init.StopBits = UART_STOPBITS_1;
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huart1.Init.Parity = UART_PARITY_ODD;
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huart1.Init.Mode = UART_MODE_TX_RX;
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huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart1.Init.OverSampling = UART_OVERSAMPLING_16;
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if (HAL_UART_Init(&huart1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART1_Init 2 */
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__HAL_UART_ENABLE_IT(&huart1, UART_IT_RXNE);
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__HAL_UART_ENABLE_IT(&huart1, UART_IT_IDLE);
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/* USER CODE END USART1_Init 2 */
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}
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/* USART2 init function */
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void MX_USART2_UART_Init(void)
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{
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/* USER CODE BEGIN USART2_Init 0 */
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/* USER CODE END USART2_Init 0 */
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/* USER CODE BEGIN USART2_Init 1 */
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/* USER CODE END USART2_Init 1 */
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huart2.Instance = USART2;
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huart2.Init.BaudRate = 115200;
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huart2.Init.WordLength = UART_WORDLENGTH_8B;
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huart2.Init.StopBits = UART_STOPBITS_1;
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huart2.Init.Parity = UART_PARITY_NONE;
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huart2.Init.Mode = UART_MODE_TX_RX;
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huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart2.Init.OverSampling = UART_OVERSAMPLING_16;
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if (HAL_UART_Init(&huart2) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART2_Init 2 */
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__HAL_UART_ENABLE_IT(&huart2, UART_IT_RXNE);
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__HAL_UART_ENABLE_IT(&huart2, UART_IT_IDLE);
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/* USER CODE END USART2_Init 2 */
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}
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/* USART3 init function */
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void MX_USART3_UART_Init(void)
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{
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/* USER CODE BEGIN USART3_Init 0 */
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/* USER CODE END USART3_Init 0 */
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/* USER CODE BEGIN USART3_Init 1 */
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/* USER CODE END USART3_Init 1 */
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huart3.Instance = USART3;
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huart3.Init.BaudRate = 115200;
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huart3.Init.WordLength = UART_WORDLENGTH_8B;
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huart3.Init.StopBits = UART_STOPBITS_1;
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huart3.Init.Parity = UART_PARITY_NONE;
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huart3.Init.Mode = UART_MODE_TX_RX;
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huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart3.Init.OverSampling = UART_OVERSAMPLING_16;
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if (HAL_UART_Init(&huart3) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART3_Init 2 */
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/* USER CODE END USART3_Init 2 */
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}
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/* USART6 init function */
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void MX_USART6_UART_Init(void)
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{
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/* USER CODE BEGIN USART6_Init 0 */
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/* USER CODE END USART6_Init 0 */
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/* USER CODE BEGIN USART6_Init 1 */
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/* USER CODE END USART6_Init 1 */
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huart6.Instance = USART6;
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huart6.Init.BaudRate = 115200;
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huart6.Init.WordLength = UART_WORDLENGTH_8B;
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huart6.Init.StopBits = UART_STOPBITS_1;
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huart6.Init.Parity = UART_PARITY_NONE;
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huart6.Init.Mode = UART_MODE_TX_RX;
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huart6.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart6.Init.OverSampling = UART_OVERSAMPLING_16;
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if (HAL_UART_Init(&huart6) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART6_Init 2 */
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__HAL_UART_ENABLE_IT(&huart6, UART_IT_RXNE);
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__HAL_UART_ENABLE_IT(&huart6, UART_IT_IDLE);
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/* USER CODE END USART6_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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if(uartHandle->Instance==USART1)
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{
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/* USER CODE BEGIN USART1_MspInit 0 */
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/* USER CODE END USART1_MspInit 0 */
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/* USART1 clock enable */
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__HAL_RCC_USART1_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**USART1 GPIO Configuration
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PA9 ------> USART1_TX
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PA10 ------> USART1_RX
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*/
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GPIO_InitStruct.Pin = HART_TX_Pin|HART_RX_Pin;
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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_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* USART1 DMA Init */
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/* USART1_TX Init */
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hdma_usart1_tx.Instance = DMA2_Stream7;
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hdma_usart1_tx.Init.Channel = DMA_CHANNEL_4;
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hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
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hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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hdma_usart1_tx.Init.Mode = DMA_NORMAL;
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hdma_usart1_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
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hdma_usart1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK)
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{
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Error_Handler();
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}
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__HAL_LINKDMA(uartHandle,hdmatx,hdma_usart1_tx);
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/* USART1_RX Init */
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hdma_usart1_rx.Instance = DMA2_Stream2;
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hdma_usart1_rx.Init.Channel = DMA_CHANNEL_4;
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hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
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hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_usart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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hdma_usart1_rx.Init.Mode = DMA_NORMAL;
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hdma_usart1_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
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hdma_usart1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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if (HAL_DMA_Init(&hdma_usart1_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_usart1_rx);
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/* USART1 interrupt Init */
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HAL_NVIC_SetPriority(USART1_IRQn, 5, 0);
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HAL_NVIC_EnableIRQ(USART1_IRQn);
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/* USER CODE BEGIN USART1_MspInit 1 */
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/* USER CODE END USART1_MspInit 1 */
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}
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else if(uartHandle->Instance==USART2)
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{
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/* USER CODE BEGIN USART2_MspInit 0 */
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/* USER CODE END USART2_MspInit 0 */
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/* USART2 clock enable */
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__HAL_RCC_USART2_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**USART2 GPIO Configuration
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PA2 ------> USART2_TX
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PA3 ------> USART2_RX
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*/
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GPIO_InitStruct.Pin = RS485_TX_Pin|RS485_RX_Pin;
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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_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* USART2 DMA Init */
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/* USART2_TX Init */
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hdma_usart2_tx.Instance = DMA1_Stream6;
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hdma_usart2_tx.Init.Channel = DMA_CHANNEL_4;
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hdma_usart2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
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hdma_usart2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_usart2_tx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_usart2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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hdma_usart2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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hdma_usart2_tx.Init.Mode = DMA_NORMAL;
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hdma_usart2_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
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hdma_usart2_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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if (HAL_DMA_Init(&hdma_usart2_tx) != HAL_OK)
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{
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Error_Handler();
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}
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__HAL_LINKDMA(uartHandle,hdmatx,hdma_usart2_tx);
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/* USART2_RX Init */
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hdma_usart2_rx.Instance = DMA1_Stream5;
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hdma_usart2_rx.Init.Channel = DMA_CHANNEL_4;
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hdma_usart2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
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hdma_usart2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_usart2_rx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_usart2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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hdma_usart2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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hdma_usart2_rx.Init.Mode = DMA_NORMAL;
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hdma_usart2_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
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hdma_usart2_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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if (HAL_DMA_Init(&hdma_usart2_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_usart2_rx);
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/* USART2 interrupt Init */
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HAL_NVIC_SetPriority(USART2_IRQn, 5, 0);
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HAL_NVIC_EnableIRQ(USART2_IRQn);
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/* USER CODE BEGIN USART2_MspInit 1 */
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/* USER CODE END USART2_MspInit 1 */
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}
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else if(uartHandle->Instance==USART3)
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{
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/* USER CODE BEGIN USART3_MspInit 0 */
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/* USER CODE END USART3_MspInit 0 */
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/* USART3 clock enable */
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__HAL_RCC_USART3_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**USART3 GPIO Configuration
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PB10 ------> USART3_TX
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PB11 ------> USART3_RX
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*/
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GPIO_InitStruct.Pin = CH340_TX_Pin|CH340_RX_Pin;
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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_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USART3 interrupt Init */
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HAL_NVIC_SetPriority(USART3_IRQn, 5, 0);
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HAL_NVIC_EnableIRQ(USART3_IRQn);
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/* USER CODE BEGIN USART3_MspInit 1 */
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/* USER CODE END USART3_MspInit 1 */
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}
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else if(uartHandle->Instance==USART6)
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{
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/* USER CODE BEGIN USART6_MspInit 0 */
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/* USER CODE END USART6_MspInit 0 */
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/* USART6 clock enable */
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__HAL_RCC_USART6_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/**USART6 GPIO Configuration
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PC6 ------> USART6_TX
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PC7 ------> USART6_RX
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*/
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GPIO_InitStruct.Pin = BLE_TX_Pin|BLE_RX_Pin;
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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_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF8_USART6;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/* USART6 DMA Init */
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/* USART6_TX Init */
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hdma_usart6_tx.Instance = DMA2_Stream6;
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hdma_usart6_tx.Init.Channel = DMA_CHANNEL_5;
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hdma_usart6_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
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hdma_usart6_tx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_usart6_tx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_usart6_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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hdma_usart6_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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hdma_usart6_tx.Init.Mode = DMA_NORMAL;
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hdma_usart6_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
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hdma_usart6_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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if (HAL_DMA_Init(&hdma_usart6_tx) != HAL_OK)
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{
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Error_Handler();
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}
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__HAL_LINKDMA(uartHandle,hdmatx,hdma_usart6_tx);
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/* USART6_RX Init */
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hdma_usart6_rx.Instance = DMA2_Stream1;
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hdma_usart6_rx.Init.Channel = DMA_CHANNEL_5;
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hdma_usart6_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
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hdma_usart6_rx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_usart6_rx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_usart6_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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hdma_usart6_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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hdma_usart6_rx.Init.Mode = DMA_NORMAL;
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hdma_usart6_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
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hdma_usart6_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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if (HAL_DMA_Init(&hdma_usart6_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_usart6_rx);
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/* USART6 interrupt Init */
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HAL_NVIC_SetPriority(USART6_IRQn, 5, 0);
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HAL_NVIC_EnableIRQ(USART6_IRQn);
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/* USER CODE BEGIN USART6_MspInit 1 */
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/* USER CODE END USART6_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==USART1)
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{
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/* USER CODE BEGIN USART1_MspDeInit 0 */
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/* USER CODE END USART1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_USART1_CLK_DISABLE();
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/**USART1 GPIO Configuration
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PA9 ------> USART1_TX
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PA10 ------> USART1_RX
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*/
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HAL_GPIO_DeInit(GPIOA, HART_TX_Pin|HART_RX_Pin);
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/* USART1 DMA DeInit */
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HAL_DMA_DeInit(uartHandle->hdmatx);
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HAL_DMA_DeInit(uartHandle->hdmarx);
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/* USART1 interrupt Deinit */
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HAL_NVIC_DisableIRQ(USART1_IRQn);
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/* USER CODE BEGIN USART1_MspDeInit 1 */
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/* USER CODE END USART1_MspDeInit 1 */
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}
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else if(uartHandle->Instance==USART2)
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{
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/* USER CODE BEGIN USART2_MspDeInit 0 */
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/* USER CODE END USART2_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_USART2_CLK_DISABLE();
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/**USART2 GPIO Configuration
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PA2 ------> USART2_TX
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PA3 ------> USART2_RX
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*/
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HAL_GPIO_DeInit(GPIOA, RS485_TX_Pin|RS485_RX_Pin);
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/* USART2 DMA DeInit */
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HAL_DMA_DeInit(uartHandle->hdmatx);
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HAL_DMA_DeInit(uartHandle->hdmarx);
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/* USART2 interrupt Deinit */
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HAL_NVIC_DisableIRQ(USART2_IRQn);
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/* 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
|
||
PB10 ------> USART3_TX
|
||
PB11 ------> USART3_RX
|
||
*/
|
||
HAL_GPIO_DeInit(GPIOB, CH340_TX_Pin|CH340_RX_Pin);
|
||
|
||
/* USART3 interrupt Deinit */
|
||
HAL_NVIC_DisableIRQ(USART3_IRQn);
|
||
/* USER CODE BEGIN USART3_MspDeInit 1 */
|
||
|
||
/* USER CODE END USART3_MspDeInit 1 */
|
||
}
|
||
else if(uartHandle->Instance==USART6)
|
||
{
|
||
/* USER CODE BEGIN USART6_MspDeInit 0 */
|
||
|
||
/* USER CODE END USART6_MspDeInit 0 */
|
||
/* Peripheral clock disable */
|
||
__HAL_RCC_USART6_CLK_DISABLE();
|
||
|
||
/**USART6 GPIO Configuration
|
||
PC6 ------> USART6_TX
|
||
PC7 ------> USART6_RX
|
||
*/
|
||
HAL_GPIO_DeInit(GPIOC, BLE_TX_Pin|BLE_RX_Pin);
|
||
|
||
/* USART6 DMA DeInit */
|
||
HAL_DMA_DeInit(uartHandle->hdmatx);
|
||
HAL_DMA_DeInit(uartHandle->hdmarx);
|
||
|
||
/* USART6 interrupt Deinit */
|
||
HAL_NVIC_DisableIRQ(USART6_IRQn);
|
||
/* USER CODE BEGIN USART6_MspDeInit 1 */
|
||
|
||
/* USER CODE END USART6_MspDeInit 1 */
|
||
}
|
||
}
|
||
|
||
/* USER CODE BEGIN 1 */
|
||
int fputc(int ch, FILE *f)
|
||
{
|
||
HAL_UART_Transmit(&huart2, (uint8_t *)&ch, 1, 0xFFFF);
|
||
return ch;
|
||
}
|
||
|
||
void usart_printf(UART_HandleTypeDef *huart, char *fmt, ...)
|
||
{
|
||
char tx_buff[BUFFER_SIZE];
|
||
uint32_t length;
|
||
va_list ap;
|
||
va_start(ap, fmt);
|
||
vsprintf(tx_buff, fmt, ap);
|
||
va_end(ap);
|
||
length = strlen((const char *)tx_buff);
|
||
|
||
HAL_UART_Transmit(huart, (uint8_t *)tx_buff, length, 0xFFFF);
|
||
}
|
||
|
||
//不使用DMA，每接收到一帧都能产生中断，靠空闲中断判断接收结束
|
||
//未避免丢失空闲中断，接收到数据后需要将显示任务挂起
|
||
//该函数位于中断回调函数之后
|
||
void proc_huart_it(UART_HandleTypeDef *huart)
|
||
{
|
||
//不对发送中断进行处理
|
||
if(st_flag == TRANSPARENT_TRANSMIT_END)
|
||
{
|
||
st_flag = TRANSPARENT_WAIT;
|
||
return;
|
||
}
|
||
|
||
//端口选择
|
||
st_scom *scom;
|
||
if(huart == &huart1) scom = &scom1_hart;
|
||
if(huart == &huart6) scom = &scom6_ble;
|
||
if(huart == &huart2) scom = &scom2_rs485;
|
||
if( !scom ) return;
|
||
|
||
//对应功能是否使能
|
||
if(trans_enable_check(scom) == 0)
|
||
{
|
||
scom->rx_len = 0;
|
||
memset(scom->rx_buff, 0, BUFFER_SIZE);
|
||
|
||
sig_trans = TRANS_NONE;
|
||
__HAL_UART_CLEAR_IDLEFLAG(huart);
|
||
HAL_UART_DMAStop(huart);
|
||
HAL_UART_Receive_DMA(huart, scom->rx_buff, BUFFER_SIZE);
|
||
|
||
return;
|
||
}
|
||
|
||
//进入此处说明接收到数据，并且对应通道使能
|
||
|
||
//显示任务挂起
|
||
screen_suspend_flag = 1;
|
||
|
||
//记录起始时刻
|
||
if(st_flag == TRANSPARENT_WAIT)
|
||
{
|
||
st_flag = TRANSPARENT_RECIEVE_START;
|
||
tick_start = xTaskGetTickCountFromISR();
|
||
}
|
||
|
||
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_RXNE) != RESET)
|
||
{
|
||
if (scom->rx_len >= BUFFER_SIZE - 1)
|
||
scom->rx_len = 0;
|
||
|
||
//将接收到的数据逐个存入数组
|
||
scom->rx_buff[scom->rx_len++] = (uint8_t)(huart->Instance->DR & 0xff);
|
||
|
||
__HAL_UART_CLEAR_FLAG(huart, UART_FLAG_RXNE);
|
||
|
||
}
|
||
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE) != RESET)
|
||
{
|
||
//接收结束
|
||
scom->rx_flag = TRUE;
|
||
|
||
//记录中间时刻
|
||
st_flag = TRANSPARENT_RECIEVE_FINISHED;
|
||
tick_middle = xTaskGetTickCountFromISR();
|
||
|
||
__HAL_UART_CLEAR_IDLEFLAG(huart);
|
||
|
||
}
|
||
}
|
||
|
||
//DMA接收
|
||
//DMA接收只有半满中断、空闲中断和完成（溢出）中断，能够使用的只有空闲中断，因此起始时刻在定时器tim2中尝试捕获
|
||
//DMA绕过CPU，因此可以不用挂起显示任务
|
||
void proc_huart_it_dma(UART_HandleTypeDef *huart)
|
||
{
|
||
//不对发送中断进行处理
|
||
if(st_flag == TRANSPARENT_TRANSMIT_END)
|
||
{
|
||
st_flag = TRANSPARENT_WAIT;
|
||
return;
|
||
}
|
||
|
||
//端口选择
|
||
st_scom *scom;
|
||
if(huart == &huart1) scom = &scom1_hart;
|
||
if(huart == &huart6) scom = &scom6_ble;
|
||
if(huart == &huart2) scom = &scom2_rs485;
|
||
if( !scom ) return;
|
||
|
||
//对应功能是否使能
|
||
if(trans_enable_check(scom) == 0)
|
||
{
|
||
scom->rx_len = 0;
|
||
memset(scom->rx_buff, 0, BUFFER_SIZE);
|
||
|
||
sig_trans = TRANS_NONE;
|
||
__HAL_UART_CLEAR_IDLEFLAG(huart);
|
||
HAL_UART_DMAStop(huart);
|
||
HAL_UART_Receive_DMA(huart, scom->rx_buff, BUFFER_SIZE);
|
||
|
||
return;
|
||
}
|
||
|
||
//进入此处说明DMA接收已经完成
|
||
if (__HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE) != RESET)
|
||
{
|
||
__HAL_UART_CLEAR_IDLEFLAG(huart);
|
||
|
||
HAL_UART_DMAStop(huart);
|
||
|
||
//计算接收到的数据长度
|
||
scom->rx_len = BUFFER_SIZE - __HAL_DMA_GET_COUNTER(huart->hdmarx);
|
||
if( ( 0 < scom->rx_len )&&( scom->rx_len <= BUFFER_SIZE ) )
|
||
{
|
||
scom->rx_flag = TRUE;
|
||
}
|
||
else
|
||
{
|
||
memset(scom->rx_buff, 0, BUFFER_SIZE);
|
||
scom->rx_len = 0;
|
||
}
|
||
|
||
st_flag = TRANSPARENT_RECIEVE_FINISHED;
|
||
//tick_middle = xTaskGetTickCountFromISR();
|
||
}
|
||
}
|
||
/* USER CODE END 1 */
|