/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    stm32f1xx_it.c
  * @brief   Interrupt Service Routines.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f1xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "usart.h"
#include <stdio.h>
#include <string.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */

/* 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 */
int data_lengthU2,data_lengthU3,data_lengthU1;
int flagU1Rx=0,flagU2Rx=0,flagU3Rx=0;//
/* USER CODE END 0 */

/* External variables --------------------------------------------------------*/
extern DMA_HandleTypeDef hdma_dac_ch2;
extern TIM_HandleTypeDef htim1;
extern TIM_HandleTypeDef htim4;
extern DMA_HandleTypeDef hdma_usart1_rx;
extern DMA_HandleTypeDef hdma_usart1_tx;
extern DMA_HandleTypeDef hdma_usart2_rx;
extern DMA_HandleTypeDef hdma_usart3_rx;
extern UART_HandleTypeDef huart1;
extern UART_HandleTypeDef huart2;
extern UART_HandleTypeDef huart3;
extern TIM_HandleTypeDef htim8;

/* USER CODE BEGIN EV */

/* USER CODE END EV */

/******************************************************************************/
/*           Cortex-M3 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 Prefetch 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 */
}

/******************************************************************************/
/* STM32F1xx 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_stm32f1xx.s).                    */
/******************************************************************************/

/**
  * @brief This function handles DMA1 channel3 global interrupt.
  */
void DMA1_Channel3_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Channel3_IRQn 0 */

  /* USER CODE END DMA1_Channel3_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart3_rx);
  /* USER CODE BEGIN DMA1_Channel3_IRQn 1 */

  /* USER CODE END DMA1_Channel3_IRQn 1 */
}

/**
  * @brief This function handles DMA1 channel4 global interrupt.
  */
void DMA1_Channel4_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Channel4_IRQn 0 */

  /* USER CODE END DMA1_Channel4_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart1_tx);
  /* USER CODE BEGIN DMA1_Channel4_IRQn 1 */

  /* USER CODE END DMA1_Channel4_IRQn 1 */
}

/**
  * @brief This function handles DMA1 channel5 global interrupt.
  */
void DMA1_Channel5_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Channel5_IRQn 0 */

  /* USER CODE END DMA1_Channel5_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart1_rx);
  /* USER CODE BEGIN DMA1_Channel5_IRQn 1 */

  /* USER CODE END DMA1_Channel5_IRQn 1 */
}

/**
  * @brief This function handles DMA1 channel6 global interrupt.
  */
void DMA1_Channel6_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Channel6_IRQn 0 */

  /* USER CODE END DMA1_Channel6_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart2_rx);
  /* USER CODE BEGIN DMA1_Channel6_IRQn 1 */

  /* USER CODE END DMA1_Channel6_IRQn 1 */
}

/**
  * @brief This function handles TIM1 update interrupt.
  */
void TIM1_UP_IRQHandler(void)
{
  /* USER CODE BEGIN TIM1_UP_IRQn 0 */

  /* USER CODE END TIM1_UP_IRQn 0 */
  HAL_TIM_IRQHandler(&htim1);
  /* USER CODE BEGIN TIM1_UP_IRQn 1 */

  /* USER CODE END TIM1_UP_IRQn 1 */
}

/**
  * @brief This function handles TIM4 global interrupt.
  */
void TIM4_IRQHandler(void)
{
  /* USER CODE BEGIN TIM4_IRQn 0 */

  /* USER CODE END TIM4_IRQn 0 */
  HAL_TIM_IRQHandler(&htim4);
  /* USER CODE BEGIN TIM4_IRQn 1 */

  /* USER CODE END TIM4_IRQn 1 */
}

/**
  * @brief This function handles USART1 global interrupt.
  */
void USART1_IRQHandler(void)
{
  /* USER CODE BEGIN USART1_IRQn 0 */
	extern uint8_t USART1_RX_BUF002[Uart2_BUF_SIZE];

  
	
	if(RESET != __HAL_UART_GET_FLAG(&huart1, UART_FLAG_IDLE))   //判断是否是空闲中断
	{
		__HAL_UART_CLEAR_IDLEFLAG(&huart1);                     //清楚空闲中断标志（否则会一直不断进入中断）
		HAL_UART_DMAStop(&huart1);  
		data_lengthU1  = Uart1_BUF_SIZE - hdma_usart1_rx.Instance->CNDTR;
		memcpy(USART1_RX_BUF002,USART1_RX_BUF,data_lengthU1);	
		//memset(USART1_RX_BUF,0,Uart1_BUF_SIZE);
		HAL_UART_Receive_DMA(&huart1,USART1_RX_BUF,Uart1_BUF_SIZE); 
		flagU1Rx=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 USART2 global interrupt.
  */
void USART2_IRQHandler(void)
{
  /* USER CODE BEGIN USART2_IRQn 0 */
	extern uint8_t USART2_RX_BUF002[Uart2_BUF_SIZE];
  /* USER CODE END USART2_IRQn 0 */
  //HAL_UART_IRQHandler(&huart2);
  /* USER CODE BEGIN USART2_IRQn 1 */
 
	
	  //if(USART2 == huart2.Instance)                                   //判断是否是串口1
    {
        if(RESET != __HAL_UART_GET_FLAG(&huart2, UART_FLAG_IDLE))   //判断是否是空闲中断
        {
            __HAL_UART_CLEAR_IDLEFLAG(&huart2);                     //清楚空闲中断标志（否则会一直不断进入中断）
						HAL_UART_DMAStop(&huart2);  
						data_lengthU2  = Uart2_BUF_SIZE - hdma_usart2_rx.Instance->CNDTR;
						memcpy(USART2_RX_BUF002,USART2_RX_BUF,data_lengthU2);	
						//memset(USART2_RX_BUF,0,Uart2_BUF_SIZE);
						HAL_UART_Receive_DMA(&huart2,USART2_RX_BUF,Uart2_BUF_SIZE); 
					  flagU2Rx=1;
					
        }
    }

		HAL_UART_IRQHandler(&huart2);
  /* USER CODE END USART2_IRQn 1 */
}

/**
  * @brief This function handles USART3 global interrupt.
  */
void USART3_IRQHandler(void)
{
  /* USER CODE BEGIN USART3_IRQn 0 */
	extern uint8_t USART3_RX_BUF002[Uart2_BUF_SIZE];
  /* USER CODE END USART3_IRQn 0 */
  HAL_UART_IRQHandler(&huart3);
  /* USER CODE BEGIN USART3_IRQn 1 */
	
	        if(RESET != __HAL_UART_GET_FLAG(&huart3, UART_FLAG_IDLE))   //判断是否是空闲中断
        {
            __HAL_UART_CLEAR_IDLEFLAG(&huart3);                     //清楚空闲中断标志（否则会一直不断进入中断）
						HAL_UART_DMAStop(&huart3);  
						data_lengthU3  = Uart3_BUF_SIZE - hdma_usart3_rx.Instance->CNDTR;
						memcpy(USART3_RX_BUF002,USART3_RX_BUF,data_lengthU3);	
						//memset(USART3_RX_BUF,0,Uart3_BUF_SIZE);
						HAL_UART_Receive_DMA(&huart3,USART3_RX_BUF,Uart3_BUF_SIZE); 
					  flagU3Rx=1;
					
        }

  /* USER CODE END USART3_IRQn 1 */
}

/**
  * @brief This function handles TIM8 update interrupt.
  */
void TIM8_UP_IRQHandler(void)
{
  /* USER CODE BEGIN TIM8_UP_IRQn 0 */

  /* USER CODE END TIM8_UP_IRQn 0 */
  HAL_TIM_IRQHandler(&htim8);
  /* USER CODE BEGIN TIM8_UP_IRQn 1 */

  /* USER CODE END TIM8_UP_IRQn 1 */
}

/**
  * @brief This function handles DMA2 channel4 and channel5 global interrupts.
  */
void DMA2_Channel4_5_IRQHandler(void)
{
  /* USER CODE BEGIN DMA2_Channel4_5_IRQn 0 */

  /* USER CODE END DMA2_Channel4_5_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_dac_ch2);
  /* USER CODE BEGIN DMA2_Channel4_5_IRQn 1 */

  /* USER CODE END DMA2_Channel4_5_IRQn 1 */
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/