/**
  ******************************************************************************
  * @file    Audio/Audio_playback_and_record/Src/stm32f4xx_it.c
  * @author  MCD Application Team
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and 
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f4xx_it.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
extern HCD_HandleTypeDef hhcd;
/* SAI handler declared in "stm32469i_discovery_audio.c" file */
extern SAI_HandleTypeDef haudio_out_sai;
/* I2S handler declared in "stm32469i_discovery_audio.c" file */
extern I2S_HandleTypeDef haudio_in_i2s;
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*             Cortex-M4 Processor Exceptions Handlers                        */
/******************************************************************************/

/**
  * @brief  This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}

/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
void SVC_Handler(void)
{
}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
void PendSV_Handler(void)
{
}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
void SysTick_Handler(void)
{
  HAL_IncTick(); 
  Toggle_Leds();
}

/******************************************************************************/
/*                 STM32F4xx Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f4xx.s).                                               */
/******************************************************************************/

/**
  * @brief  This function handles USB-On-The-Go FS/HS global interrupt request.
  * @param  None
  * @retval None
  */
void OTG_FS_IRQHandler(void)
{
  HAL_HCD_IRQHandler(&hhcd);
}

  
/**
  * @brief  This function handles External line 2 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI2_IRQHandler(void)
{
   HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_2);
}


/**
  * @brief This function handles DMA2 Stream 5 interrupt request.
  * @param None
  * @retval None
  */
void AUDIO_SAIx_DMAx_IRQHandler(void)
{
  HAL_DMA_IRQHandler(haudio_out_sai.hdmatx);
}

/**
  * @brief This function handles DMA1 Stream 2 interrupt request.
  * @param None
  * @retval None
  */
void AUDIO_I2Sx_DMAx_IRQHandler(void)
{
  HAL_DMA_IRQHandler(haudio_in_i2s.hdmarx);
}
/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval None
  */
/*void PPP_IRQHandler(void)
{
}*/

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/