/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    stm32f4xx_it.c
  * @brief   Interrupt Service Routines.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 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 "main.h"
#include "stm32f4xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
#include "usart.h"
/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/* External variables --------------------------------------------------------*/
extern CAN_HandleTypeDef hcan1;
extern CAN_HandleTypeDef hcan2;
extern DMA_HandleTypeDef hdma_usart1_rx;
extern DMA_HandleTypeDef hdma_usart3_rx;
extern UART_HandleTypeDef huart1;
extern UART_HandleTypeDef huart3;
extern TIM_HandleTypeDef htim6;

/* USER CODE BEGIN EV */

/* USER CODE END EV */

/******************************************************************************/
/*           Cortex-M4 Processor Interruption and Exception Handlers          */
/******************************************************************************/
/**
  * @brief This function handles Non maskable interrupt.
  */
void NMI_Handler(void)
{
  /* USER CODE BEGIN NonMaskableInt_IRQn 0 */

  /* USER CODE END NonMaskableInt_IRQn 0 */
  /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
  while (1)
  {
  }
  /* USER CODE END NonMaskableInt_IRQn 1 */
}

/**
  * @brief This function handles Hard fault interrupt.
  */
void HardFault_Handler(void)
{
  /* USER CODE BEGIN HardFault_IRQn 0 */

  /* USER CODE END HardFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_HardFault_IRQn 0 */
    /* USER CODE END W1_HardFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Memory management fault.
  */
void MemManage_Handler(void)
{
  /* USER CODE BEGIN MemoryManagement_IRQn 0 */

  /* USER CODE END MemoryManagement_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
    /* USER CODE END W1_MemoryManagement_IRQn 0 */
  }
}

/**
  * @brief This function handles Pre-fetch fault, memory access fault.
  */
void BusFault_Handler(void)
{
  /* USER CODE BEGIN BusFault_IRQn 0 */

  /* USER CODE END BusFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_BusFault_IRQn 0 */
    /* USER CODE END W1_BusFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Undefined instruction or illegal state.
  */
void UsageFault_Handler(void)
{
  /* USER CODE BEGIN UsageFault_IRQn 0 */

  /* USER CODE END UsageFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
    /* USER CODE END W1_UsageFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Debug monitor.
  */
void DebugMon_Handler(void)
{
  /* USER CODE BEGIN DebugMonitor_IRQn 0 */

  /* USER CODE END DebugMonitor_IRQn 0 */
  /* USER CODE BEGIN DebugMonitor_IRQn 1 */

  /* USER CODE END DebugMonitor_IRQn 1 */
}

/******************************************************************************/
/* STM32F4xx Peripheral Interrupt Handlers                                    */
/* Add here the Interrupt Handlers for the used peripherals.                  */
/* For the available peripheral interrupt handler names,                      */
/* please refer to the startup file (startup_stm32f4xx.s).                    */
/******************************************************************************/

/**
  * @brief This function handles DMA1 stream1 global interrupt.
  */
void DMA1_Stream1_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Stream1_IRQn 0 */

  /* USER CODE END DMA1_Stream1_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart3_rx);
  /* USER CODE BEGIN DMA1_Stream1_IRQn 1 */

  /* USER CODE END DMA1_Stream1_IRQn 1 */
}

/**
  * @brief This function handles CAN1 RX0 interrupts.
  */
void CAN1_RX0_IRQHandler(void)
{
  /* USER CODE BEGIN CAN1_RX0_IRQn 0 */

  /* USER CODE END CAN1_RX0_IRQn 0 */
  HAL_CAN_IRQHandler(&hcan1);
  /* USER CODE BEGIN CAN1_RX0_IRQn 1 */

  /* USER CODE END CAN1_RX0_IRQn 1 */
}

/**
  * @brief This function handles USART1 global interrupt.
  */
void USART1_IRQHandler(void)
{
  /* USER CODE BEGIN USART1_IRQn 0 */
	uint8_t tmp_flag = 0;
    uint16_t temp;
    tmp_flag =__HAL_UART_GET_FLAG(&huart1,UART_FLAG_IDLE); //获取IDLE标志位
    if((tmp_flag != RESET))
    { 
        __HAL_UART_CLEAR_IDLEFLAG(&huart1);
//        temp = huart4.Instance->SR;  
//        temp = huart4.Instance->DR; 
        HAL_UART_DMAStop(&huart1); 
        temp  = hdma_usart1_rx.Instance->NDTR;//CNDTR;//获取此时DMA中未传输的数据个数
        Rxbuffer[Usart_1].rx_len =  BUFFER_SIZE - temp; //总计数减去未传输的数据个数，得到此次接收到的数据个数
        Rxbuffer[Usart_1].recv_end_flag = 1;	
    }
  /* USER CODE END USART1_IRQn 0 */
  HAL_UART_IRQHandler(&huart1);
  /* USER CODE BEGIN USART1_IRQn 1 */

  /* USER CODE END USART1_IRQn 1 */
}

/**
  * @brief This function handles USART3 global interrupt.
  */
void USART3_IRQHandler(void)
{
  /* USER CODE BEGIN USART3_IRQn 0 */
	uint8_t tmp_flag = 0;
    uint16_t temp;
    tmp_flag =__HAL_UART_GET_FLAG(&huart3,UART_FLAG_IDLE); //获取IDLE标志位
    if((tmp_flag != RESET))
    { 
        __HAL_UART_CLEAR_IDLEFLAG(&huart3);
//        temp = huart4.Instance->SR;  
//        temp = huart4.Instance->DR; 
        HAL_UART_DMAStop(&huart3); 
        temp  = hdma_usart3_rx.Instance->NDTR;//CNDTR;//获取此时DMA中未传输的数据个数
        Rxbuffer[Usart_3].rx_len = BUFFER_SIZE - temp; //总计数减去未传输的数据个数，得到此次接收到的数据个数
        Rxbuffer[Usart_3].recv_end_flag = 1;	
    }
  /* USER CODE END USART3_IRQn 0 */
  HAL_UART_IRQHandler(&huart3);
  /* USER CODE BEGIN USART3_IRQn 1 */

  /* USER CODE END USART3_IRQn 1 */
}

/**
  * @brief This function handles TIM6 global interrupt, DAC1 and DAC2 underrun error interrupts.
  */
void TIM6_DAC_IRQHandler(void)
{
  /* USER CODE BEGIN TIM6_DAC_IRQn 0 */

  /* USER CODE END TIM6_DAC_IRQn 0 */
  HAL_TIM_IRQHandler(&htim6);
  /* USER CODE BEGIN TIM6_DAC_IRQn 1 */

  /* USER CODE END TIM6_DAC_IRQn 1 */
}

/**
  * @brief This function handles DMA2 stream2 global interrupt.
  */
void DMA2_Stream2_IRQHandler(void)
{
  /* USER CODE BEGIN DMA2_Stream2_IRQn 0 */

  /* USER CODE END DMA2_Stream2_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart1_rx);
  /* USER CODE BEGIN DMA2_Stream2_IRQn 1 */

  /* USER CODE END DMA2_Stream2_IRQn 1 */
}

/**
  * @brief This function handles CAN2 RX0 interrupts.
  */
void CAN2_RX0_IRQHandler(void)
{
  /* USER CODE BEGIN CAN2_RX0_IRQn 0 */

  /* USER CODE END CAN2_RX0_IRQn 0 */
  HAL_CAN_IRQHandler(&hcan2);
  /* USER CODE BEGIN CAN2_RX0_IRQn 1 */

  /* USER CODE END CAN2_RX0_IRQn 1 */
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */