CablePositioningV1.0/CablePositioning_APP_V1.0/Core/Src/usart.c

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    usart.c
  * @brief   This file provides code for the configuration
  *          of the USART instances.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2022 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 */
#include "string.h"

#include "common.h"
#include "dev_config.h"
#include "wireless.h"
#include "RS485_sensor.h"
#include "RS485_debug.h"
#include "cli.h"
#include "ADC_collect.h"
#include "position.h"

extern osThreadId_t CLIHandle;
/* USER CODE END 0 */

UART_HandleTypeDef huart4;
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart3;
DMA_HandleTypeDef hdma_uart4_rx;
DMA_HandleTypeDef hdma_uart4_tx;
DMA_HandleTypeDef hdma_usart1_tx;
DMA_HandleTypeDef hdma_usart1_rx;
DMA_HandleTypeDef hdma_usart3_rx;
DMA_HandleTypeDef hdma_usart3_tx;

/* UART4 init function */
void MX_UART4_Init(void)
{

  /* USER CODE BEGIN UART4_Init 0 */

  /* USER CODE END UART4_Init 0 */

  /* USER CODE BEGIN UART4_Init 1 */

  /* USER CODE END UART4_Init 1 */
  huart4.Instance = UART4;
  huart4.Init.BaudRate = 115200;
  huart4.Init.WordLength = UART_WORDLENGTH_8B;
  huart4.Init.StopBits = UART_STOPBITS_1;
  huart4.Init.Parity = UART_PARITY_NONE;
  huart4.Init.Mode = UART_MODE_TX_RX;
  huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart4.Init.OverSampling = UART_OVERSAMPLING_16;
  huart4.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart4.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart4) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN UART4_Init 2 */

  /* USER CODE END UART4_Init 2 */

}
/* 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 = 9600;
  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;
  huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}

/* USART1 init function */

void MX_USART1_UART_ReInit(void)
{

  /* USER CODE BEGIN USART1_Init 0 */
  HAL_UART_DeInit(&huart1);
  /* 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;
  huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_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;
  huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart3) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART3_Init 2 */

  /* USER CODE END USART3_Init 2 */

}

void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
  if(uartHandle->Instance==UART4)
  {
  /* USER CODE BEGIN UART4_MspInit 0 */

  /* USER CODE END UART4_MspInit 0 */
  /** Initializes the peripherals clock
  */
    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_UART4;
    PeriphClkInit.Uart4ClockSelection = RCC_UART4CLKSOURCE_PCLK1;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
    {
      Error_Handler();
    }

    /* UART4 clock enable */
    __HAL_RCC_UART4_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**UART4 GPIO Configuration
    PA0     ------> UART4_TX
    PA1     ------> UART4_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF8_UART4;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* UART4 DMA Init */
    /* UART4_RX Init */
    hdma_uart4_rx.Instance = DMA2_Channel5;
    hdma_uart4_rx.Init.Request = DMA_REQUEST_2;
    hdma_uart4_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_uart4_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_uart4_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_uart4_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_uart4_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_uart4_rx.Init.Mode = DMA_NORMAL;
    hdma_uart4_rx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_uart4_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmarx,hdma_uart4_rx);

    /* UART4_TX Init */
    hdma_uart4_tx.Instance = DMA2_Channel3;
    hdma_uart4_tx.Init.Request = DMA_REQUEST_2;
    hdma_uart4_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_uart4_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_uart4_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_uart4_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_uart4_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_uart4_tx.Init.Mode = DMA_NORMAL;
    hdma_uart4_tx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_uart4_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmatx,hdma_uart4_tx);

    /* UART4 interrupt Init */
    HAL_NVIC_SetPriority(UART4_IRQn, 6, 0);
    HAL_NVIC_EnableIRQ(UART4_IRQn);
  /* USER CODE BEGIN UART4_MspInit 1 */

  /* USER CODE END UART4_MspInit 1 */
  }
  else if(uartHandle->Instance==USART1)
  {
  /* USER CODE BEGIN USART1_MspInit 0 */

  /* USER CODE END USART1_MspInit 0 */

  /** Initializes the peripherals clock
  */
    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
    PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
    {
      Error_Handler();
    }

    /* 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_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* USART1 DMA Init */
    /* USART1_TX Init */
    hdma_usart1_tx.Instance = DMA1_Channel4;
    hdma_usart1_tx.Init.Request = DMA_REQUEST_2;
    hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart1_tx.Init.Mode = DMA_NORMAL;
    hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart1_tx);

    /* USART1_RX Init */
    hdma_usart1_rx.Instance = DMA1_Channel5;
    hdma_usart1_rx.Init.Request = DMA_REQUEST_2;
    hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart1_rx.Init.Mode = DMA_CIRCULAR;
    hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_usart1_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart1_rx);

    /* USART1 interrupt Init */
    HAL_NVIC_SetPriority(USART1_IRQn, 6, 0);
    HAL_NVIC_EnableIRQ(USART1_IRQn);
  /* USER CODE BEGIN USART1_MspInit 1 */

  /* USER CODE END USART1_MspInit 1 */
  }
  else if(uartHandle->Instance==USART3)
  {
  /* USER CODE BEGIN USART3_MspInit 0 */

  /* USER CODE END USART3_MspInit 0 */

  /** Initializes the peripherals clock
  */
    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART3;
    PeriphClkInit.Usart3ClockSelection = RCC_USART3CLKSOURCE_PCLK1;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
    {
      Error_Handler();
    }

    /* USART3 clock enable */
    __HAL_RCC_USART3_CLK_ENABLE();

    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**USART3 GPIO Configuration
    PB10     ------> USART3_TX
    PB11     ------> USART3_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* USART3 DMA Init */
    /* USART3_RX Init */
    hdma_usart3_rx.Instance = DMA1_Channel3;
    hdma_usart3_rx.Init.Request = DMA_REQUEST_2;
    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_CIRCULAR;
    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_TX Init */
    hdma_usart3_tx.Instance = DMA1_Channel2;
    hdma_usart3_tx.Init.Request = DMA_REQUEST_2;
    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_LOW;
    if (HAL_DMA_Init(&hdma_usart3_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart3_tx);

    /* USART3 interrupt Init */
    HAL_NVIC_SetPriority(USART3_IRQn, 6, 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==UART4)
  {
  /* USER CODE BEGIN UART4_MspDeInit 0 */

  /* USER CODE END UART4_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_UART4_CLK_DISABLE();

    /**UART4 GPIO Configuration
    PA0     ------> UART4_TX
    PA1     ------> UART4_RX
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0|GPIO_PIN_1);

    /* UART4 DMA DeInit */
    HAL_DMA_DeInit(uartHandle->hdmarx);
    HAL_DMA_DeInit(uartHandle->hdmatx);

    /* UART4 interrupt Deinit */
    HAL_NVIC_DisableIRQ(UART4_IRQn);
  /* USER CODE BEGIN UART4_MspDeInit 1 */

  /* USER CODE END UART4_MspDeInit 1 */
  }
  else 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 DMA DeInit */
    HAL_DMA_DeInit(uartHandle->hdmatx);
    HAL_DMA_DeInit(uartHandle->hdmarx);

    /* USART1 interrupt Deinit */
    HAL_NVIC_DisableIRQ(USART1_IRQn);
  /* USER CODE BEGIN USART1_MspDeInit 1 */

  /* USER CODE END USART1_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, GPIO_PIN_10|GPIO_PIN_11);

    /* USART3 DMA DeInit */
    HAL_DMA_DeInit(uartHandle->hdmarx);
    HAL_DMA_DeInit(uartHandle->hdmatx);

    /* USART3 interrupt Deinit */
    HAL_NVIC_DisableIRQ(USART3_IRQn);
  /* USER CODE BEGIN USART3_MspDeInit 1 */

  /* USER CODE END USART3_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */
/* 串口空闲中断处理函数. */
void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
{
    uint16_t len = 0;

    if (USART3 == huart->Instance)
    {
        /* 计算收包长度. */
        len = Size - wl_buf_list_rx.buf_addr;
        /* 更新收包 buf. */
        if (0 == len)
        {
            return;
        }
        
        memcpy(wl_buf_list_rx.buf[wl_buf_list_rx.valid], &huart->pRxBuffPtr[wl_buf_list_rx.buf_addr], len);
        wl_buf_list_rx.buf_cnt[wl_buf_list_rx.valid] = len;

        /* 更新 DMA 收包地址. */
        if (Size != WL_DMA_RX_BUF_LEN)
        {
            wl_buf_list_rx.buf_addr = Size;
        }
        else
        {
            wl_buf_list_rx.buf_addr = 0;
        }

        /* 更新收包 buf index. */
        wl_buf_list_rx.valid++;
        if (WL_BUF_LIST_LEN == wl_buf_list_rx.valid)
        {
            wl_buf_list_rx.valid = 0;
        }
        
        /* 通知线程处理数据. */
        notify_to_task(WLHandle);
    }
    else if (UART4 == huart->Instance)
    {
        if (IS_MONITOR_BIT_SET(dev_config.flag, DEV_FLAG_CLI))
        {
            if (Size == huart->RxXferSize / 2U && !cli_buf.is_half)
            {
                cli_buf.is_half = 1;
                return;
            }
        
            cli_buf.end += Size;
        }
        else
        {
            if (Size == huart->RxXferSize / 2U && !debug_buf.is_half)
            {
                debug_buf.is_half = 1;
                return;
            }
        
            debug_buf.end += Size;
        }    
        
        /* 通知线程处理数据. */
        notify_to_task(CLIHandle);
    }
    else if (USART1 == huart->Instance)
    {
        /* 计算收包长度，或超时中断查看是否有新数据 */
        len = Size - position_buf_list_rx.buf_addr;
        if (0 == len)
        {
            return;
        }

        memcpy(position_buf_list_rx.buf[position_buf_list_rx.valid],
                &huart->pRxBuffPtr[position_buf_list_rx.buf_addr], len);
        position_buf_list_rx.buf_cnt[position_buf_list_rx.valid] = len;

        /* 更新 DMA 收包地址 */
        if (Size != POSITION_CMD_BUF_LEN)
        {
            position_buf_list_rx.buf_addr = Size;
        }
        else
        {
            position_buf_list_rx.buf_addr = 0;
        }

        /* 更新FIFO */
        position_buf_list_rx.valid++;
        if (POSITION_BUF_LIST_LEN == position_buf_list_rx.valid)
        {
            position_buf_list_rx.valid = 0;
        }

        /* 通知线程处理函数 */
        if (!IS_MONITOR_BIT_SET(dev_config.flag, DEV_FLAG_FACTORY))
        {
            notify_to_task(WLHandle);
        }
        else
        {
            notify_to_task(ADC_ctrl.ADCHandle);
        }
    }
}

/* 串口发�完成中断处理函�. */
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
{
    if (USART1 == huart->Instance)
    {
        /* 发�完成后, � 485 的使能线改为接收. */
        HAL_GPIO_WritePin(RS485_A_DE_GPIO_Port, RS485_A_DE_Pin, GPIO_PIN_RESET);
    }
    else if(USART3 == huart->Instance)
    {
        HAL_GPIO_WritePin(RS485_B_DE_GPIO_Port, RS485_B_DE_Pin, GPIO_PIN_RESET);
    }
    else if(UART4 == huart->Instance)
    {
        /* 发�完成后, � 485 的使能线改为接收. */
        HAL_GPIO_WritePin(RS485_DBG_EN_GPIO_Port, RS485_DBG_EN_Pin, GPIO_PIN_RESET);
    }
}

/* 串口接收中断处理函数. */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
    if (USART1 == huart->Instance)
    {
        /* 通知线程数据接收完成. */
        notify_to_task_form_val(ADC_ctrl.ADCHandle, MONITOR_SEN_NOTIFY_OK);
    }
}

void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
{
    if (USART1 == huart->Instance)
    {
        if (DEV_TYPE_CT_P == dev_info.type_s)
        {
          HAL_UART_Abort(huart);
          HAL_GPIO_WritePin(RS485_A_DE_GPIO_Port, RS485_A_DE_Pin, GPIO_PIN_RESET);
          HAL_UARTEx_ReceiveToIdle_DMA(huart, position_ctrl.dma_rx_buf, POSITION_CMD_BUF_LEN);
        }
    }
    else if(USART3 == huart->Instance)
    {
        HAL_UART_Abort(huart);
        HAL_GPIO_WritePin(RS485_B_DE_GPIO_Port, RS485_B_DE_Pin, GPIO_PIN_RESET);
        HAL_UARTEx_ReceiveToIdle_DMA(huart, wl_ctrl.dma_rx_buf, WL_DMA_RX_BUF_LEN);
    }
    else if(UART4 == huart->Instance)
    {
        /* 启动串口中断. */
        if (IS_MONITOR_BIT_SET(dev_config.flag, DEV_FLAG_CLI))
        {
            cli_buf.end = 0;
            cli_buf.is_half = FALSE;
            HAL_GPIO_WritePin(RS485_DBG_EN_GPIO_Port, RS485_DBG_EN_Pin, GPIO_PIN_RESET);
            HAL_UART_Abort(huart);
            HAL_UARTEx_ReceiveToIdle_DMA(huart, cli_buf.buf, USART_BUF_SIZE);
        }
        else
        {
            /* �启串口空闲中� DMA 收包. 注意这里会收到空闲中�, DMA 收一半中�, 全收中断, 注意中断处理. */
            debug_buf.end = 0;
            debug_buf.is_half = FALSE;
            HAL_GPIO_WritePin(RS485_DBG_EN_GPIO_Port, RS485_DBG_EN_Pin, GPIO_PIN_RESET);
            HAL_UART_Abort(huart);
            HAL_UARTEx_ReceiveToIdle_DMA(huart, debug_buf.buf, USART_BUF_SIZE);
            
        }
    }
}
/* USER CODE END 1 */