/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    stm32f1xx_it.c
  * @brief   Interrupt Service Routines.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f1xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "usart.h"
#include "buffer.h"
#include <rtthread.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 */

/* USER CODE END 0 */

/* External variables --------------------------------------------------------*/
extern DMA_HandleTypeDef hdma_uart4_rx;
extern DMA_HandleTypeDef hdma_uart4_tx;
extern DMA_HandleTypeDef hdma_usart1_rx;
extern DMA_HandleTypeDef hdma_usart1_tx;
extern DMA_HandleTypeDef hdma_usart2_rx;
extern DMA_HandleTypeDef hdma_usart2_tx;
extern DMA_HandleTypeDef hdma_usart3_rx;
extern DMA_HandleTypeDef hdma_usart3_tx;
extern UART_HandleTypeDef huart4;
extern UART_HandleTypeDef huart1;
extern UART_HandleTypeDef huart2;
extern UART_HandleTypeDef huart3;
/* USER CODE BEGIN EV */
extern void USART_IRQHandler(UART_HandleTypeDef *huart);
extern void USART_IRQHandler2(UART_HandleTypeDef *huart);
/* 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 */

  /* USER CODE END NonMaskableInt_IRQn 1 */
}

/**
  * @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 System service call via SWI instruction.
  */
void SVC_Handler(void)
{
  /* USER CODE BEGIN SVCall_IRQn 0 */

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

  /* USER CODE END SVCall_IRQn 1 */
}

/**
  * @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 channel2 global interrupt.
  */
void DMA1_Channel2_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Channel2_IRQn 0 */

  /* USER CODE END DMA1_Channel2_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart3_tx);
  /* USER CODE BEGIN DMA1_Channel2_IRQn 1 */

  /* USER CODE END DMA1_Channel2_IRQn 1 */
}

/**
  * @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 DMA1 channel7 global interrupt.
  */
void DMA1_Channel7_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Channel7_IRQn 0 */

  /* USER CODE END DMA1_Channel7_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart2_tx);
  /* USER CODE BEGIN DMA1_Channel7_IRQn 1 */

  /* USER CODE END DMA1_Channel7_IRQn 1 */
}

/**
  * @brief This function handles USART1 global interrupt.
  */
void USART1_IRQHandler(void)
{
  /* USER CODE BEGIN USART1_IRQn 0 */
  
  /* USER CODE END USART1_IRQn 0 */
  HAL_UART_IRQHandler(&huart1);
  /* USER CODE BEGIN USART1_IRQn 1 */
  USART_IRQHandler(&huart1);
  /* USER CODE END USART1_IRQn 1 */
}

/**
  * @brief This function handles USART2 global interrupt.
  */
void USART2_IRQHandler(void)
{
  /* USER CODE BEGIN USART2_IRQn 0 */
  
  /* USER CODE END USART2_IRQn 0 */
  HAL_UART_IRQHandler(&huart2);
  /* USER CODE BEGIN USART2_IRQn 1 */
  USART_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 */
 
  /* USER CODE END USART3_IRQn 0 */
  HAL_UART_IRQHandler(&huart3);
  /* USER CODE BEGIN USART3_IRQn 1 */
  USART_IRQHandler(&huart3);
  /* USER CODE END USART3_IRQn 1 */
}

/**
  * @brief This function handles UART4 global interrupt.
  */
void UART4_IRQHandler(void)
{
  /* USER CODE BEGIN UART4_IRQn 0 */
  
  /* USER CODE END UART4_IRQn 0 */
  HAL_UART_IRQHandler(&huart4);
  /* USER CODE BEGIN UART4_IRQn 1 */
  USART_IRQHandler(&huart4);
  /* USER CODE END UART4_IRQn 1 */
}

/**
  * @brief This function handles DMA2 channel3 global interrupt.
  */
void DMA2_Channel3_IRQHandler(void)
{
  /* USER CODE BEGIN DMA2_Channel3_IRQn 0 */

  /* USER CODE END DMA2_Channel3_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_uart4_rx);
  /* USER CODE BEGIN DMA2_Channel3_IRQn 1 */

  /* USER CODE END DMA2_Channel3_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_uart4_tx);
  /* USER CODE BEGIN DMA2_Channel4_5_IRQn 1 */

  /* USER CODE END DMA2_Channel4_5_IRQn 1 */
}

/* USER CODE BEGIN 1 */
void USART_IRQHandler(UART_HandleTypeDef *huart)
{
  uint32_t tmp_flag = 0;
	uint32_t temp;
	extern unsigned char inMenu;
	tmp_flag =__HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE); //获取IDLE标志位
	if((tmp_flag != RESET))//idle标志被置位
	{ 
		__HAL_UART_CLEAR_IDLEFLAG(huart);//清除标志位
		HAL_UART_DMAStop(huart); //
		rx_len = 0;
		if (huart->Instance == USART1){
		  temp  =  __HAL_DMA_GET_COUNTER(&hdma_usart1_rx);// 获取DMA中未传输的数据个数  
			rx_len =  BUFFER_SIZE	 - temp; //总计数减去未传输的数据个数，得到已经接收的数据个数    
		  for (int i = 0; i < rx_len; i++)
         USART_Push(1, rx_buffer1[i]);	
      rt_memset(rx_buffer1, 0, BUFFER_SIZE);			
      HAL_UART_Receive_DMA(huart, rx_buffer1, BUFFER_SIZE);
		}
    else if (huart->Instance == USART2){
		  temp  =  __HAL_DMA_GET_COUNTER(&hdma_usart2_rx);// 获取DMA中未传输的数据个数  
			rx_len =  BUFFER_SIZE	 - temp; //总计数减去未传输的数据个数，得到已经接收的数据个数   
      if (inMenu==1)	{		
				if (rx_buffer2[0]==0x4F &&  rx_buffer2[1]==0x4B && rx_buffer2[2]==0x0D)
					rt_sem_release(uart2_lock);			
			} else	{
					for (int i = 0; i < rx_len; i++)
							 USART_Push(2, rx_buffer2[i]);
			}
      rt_memset(rx_buffer2, 0, BUFFER_SIZE);	
      HAL_UART_Receive_DMA(huart, rx_buffer2, BUFFER_SIZE);
		}
    else if (huart->Instance == USART3){
		  temp  =  __HAL_DMA_GET_COUNTER(&hdma_usart3_rx);// 获取DMA中未传输的数据个数  
			rx_len =  BUFFER_SIZE	 - temp; //总计数减去未传输的数据个数，得到已经接收的数据个数    
		  if (inMenu==1)	{		
				if (rx_buffer3[0]==0x4F &&  rx_buffer3[1]==0x4B && rx_buffer3[2]==0x0D)
					rt_sem_release(uart3_lock);			
			} else{
				for (int i = 0; i < rx_len; i++)
         USART_Push(3, rx_buffer3[i]);
			}
      rt_memset(rx_buffer3, 0, BUFFER_SIZE);	
      HAL_UART_Receive_DMA(huart, rx_buffer3, BUFFER_SIZE);
		}
    else if (huart->Instance == UART4){
		  temp  =  __HAL_DMA_GET_COUNTER(&hdma_uart4_rx);// 获取DMA中未传输的数据个数  
			rx_len =  BUFFER_SIZE	 - temp; //总计数减去未传输的数据个数，得到已经接收的数据个数    
		  for (int i = 0; i < rx_len; i++)
         USART_Push(4, rx_buffer4[i]);
      rt_memset(rx_buffer4, 0, BUFFER_SIZE);	
      HAL_UART_Receive_DMA(huart, rx_buffer4, BUFFER_SIZE);
		}	
		if (rx_len>0) rt_sem_release(thread_EmptyBuffer_sem); 
	}
}

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