/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    stm32f1xx_it.c
  * @brief   Interrupt Service Routines.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2019 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"
/* 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 --------------------------------------------------------*/

/* USER CODE BEGIN EV */
extern uint8_t USART1_RX_Buffer[];
extern volatile uint16_t Buffer_INDEX;
extern uint8_t Accept_Finished_Flag;
extern volatile uint8_t Door_Changed_Flag;
extern volatile uint16_t Heart_Beat_Period;
extern volatile uint8_t Heart_Beat_Flag;
extern volatile uint8_t Radar_Data_Flag;
/* 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 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 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 */
}

/**
  * @brief This function handles Pendable request for system service.
  */
void PendSV_Handler(void)
{
  /* USER CODE BEGIN PendSV_IRQn 0 */

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

  /* USER CODE END PendSV_IRQn 1 */
}

/**
  * @brief This function handles System tick timer.
  */
void SysTick_Handler(void)
{
  /* USER CODE BEGIN SysTick_IRQn 0 */

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

  /* USER CODE END SysTick_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 EXTI line4 interrupt.
  */
void EXTI4_IRQHandler(void)
{
  /* USER CODE BEGIN EXTI4_IRQn 0 */

  /* USER CODE END EXTI4_IRQn 0 */
  if (LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_4) != RESET)
  {
    LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_4);
    /* USER CODE BEGIN LL_EXTI_LINE_4 */
    Door_Changed_Flag = 1;
    /* USER CODE END LL_EXTI_LINE_4 */
  }
  /* USER CODE BEGIN EXTI4_IRQn 1 */

  /* USER CODE END EXTI4_IRQn 1 */
}

/**
  * @brief This function handles DMA1 channel2 global interrupt.
  */
void DMA1_Channel2_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Channel2_IRQn 0 */
	if(LL_DMA_IsActiveFlag_TC2(DMA1) == SET)
	{
		LL_DMA_ClearFlag_TC2(DMA1);
		LL_TIM_DisableCounter(TIM2);
	}
  /* USER CODE END DMA1_Channel2_IRQn 0 */
  
  /* 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 */
  
  /* USER CODE BEGIN DMA1_Channel3_IRQn 1 */

  /* USER CODE END DMA1_Channel3_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 */
  
  /* USER CODE BEGIN DMA1_Channel5_IRQn 1 */

  /* USER CODE END DMA1_Channel5_IRQn 1 */
}

/**
  * @brief This function handles TIM2 global interrupt.
  */
void TIM2_IRQHandler(void)
{
  /* USER CODE BEGIN TIM2_IRQn 0 */

  /* USER CODE END TIM2_IRQn 0 */
  /* USER CODE BEGIN TIM2_IRQn 1 */

  /* USER CODE END TIM2_IRQn 1 */
}

/**
  * @brief This function handles TIM3 global interrupt.
  */
void TIM3_IRQHandler(void)
{
  /* USER CODE BEGIN TIM3_IRQn 0 */
	
	static uint16_t Second = 0;
	
	if(LL_TIM_IsActiveFlag_UPDATE(TIM3))
	{
		LL_TIM_ClearFlag_UPDATE(TIM3);
		Second++;
		if(Second >= Heart_Beat_Period){
			Second = 0;
			Heart_Beat_Flag = 1;
		}
	}
  /* USER CODE END TIM3_IRQn 0 */
  /* USER CODE BEGIN TIM3_IRQn 1 */

  /* USER CODE END TIM3_IRQn 1 */
}

/**
  * @brief This function handles USART1 global interrupt.
  */
void USART1_IRQHandler(void)
{
  /* USER CODE BEGIN USART1_IRQn 0 */
	if(LL_USART_IsActiveFlag_IDLE(USART1))
	{
		Accept_Finished_Flag = 1;

		Buffer_INDEX = max_size-LL_DMA_GetDataLength(DMA1, LL_DMA_CHANNEL_5);
		LL_DMA_DisableChannel(DMA1, LL_DMA_CHANNEL_5);
		LL_DMA_SetDataLength(DMA1, LL_DMA_CHANNEL_5,max_size);
		LL_DMA_EnableChannel(DMA1, LL_DMA_CHANNEL_5);
		LL_USART_ClearFlag_IDLE(USART1);
	}
	
  /* USER CODE END USART1_IRQn 0 */
  /* 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 */
	if(LL_USART_IsActiveFlag_IDLE(USART3))
	{
		LL_USART_ClearFlag_IDLE(USART3);
		Radar_Data_Flag = 1;
	}
  /* USER CODE END USART3_IRQn 0 */
  /* USER CODE BEGIN USART3_IRQn 1 */

  /* USER CODE END USART3_IRQn 1 */
}

/* USER CODE BEGIN 1 */

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