stm32f10x_it.c

stm32 V3.0.0版本usb全速设备源码包

/******************** (C) COPYRIGHT 2009 STMicroelectronics ********************
* File Name          : stm32f10x_it.c
* Author             : MCD Application Team
* Version            : V3.0.0
* Date               : 04/06/2009
* Description        : Main Interrupt Service Routines.
*                      This file provides template for all exceptions handler
*                      and peripherals interrupt service routine.
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_it.h"
#include "usb_lib.h"
#include "usb_istr.h"
#include "hw_config.h"
#include "i2s_codec.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint16_t Out_Data_Offset;
extern uint16_t In_Data_Offset;
extern uint8_t Stream_Buff[24];
extern uint32_t MUTE_DATA;
#define DUMMYDATA  0x1111

/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M3 Processor Exceptions Handlers                         */
/******************************************************************************/

/*******************************************************************************
* Function Name  : NMI_Handler
* Description    : This function handles NMI exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void NMI_Handler(void)
{
}

/*******************************************************************************
* Function Name  : HardFault_Handler
* Description    : This function handles Hard Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : MemManage_Handler
* Description    : This function handles Memory Manage exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : BusFault_Handler
* Description    : This function handles Bus Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : UsageFault_Handler
* Description    : This function handles Usage Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : SVC_Handler
* Description    : This function handles SVCall exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SVC_Handler(void)
{
}

/*******************************************************************************
* Function Name  : DebugMon_Handler
* Description    : This function handles Debug Monitor exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void DebugMon_Handler(void)
{
}

/*******************************************************************************
* Function Name  : PendSV_Handler
* Description    : This function handles PendSV_Handler exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void PendSV_Handler(void)
{
}

/*******************************************************************************
* Function Name  : SysTick_Handler
* Description    : This function handles SysTick Handler.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SysTick_Handler(void)
{
}

/******************************************************************************/
/*            STM32F10x Peripherals Interrupt Handlers                        */
/******************************************************************************/

/*******************************************************************************
* Function Name  : USB_HP_CAN1_TX_IRQHandler
* Description    : This function handles USB High Priority or CAN1 TX interrupts
*                  requests.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void USB_HP_CAN1_TX_IRQHandler(void)
{
  CTR_HP();
}

/*******************************************************************************
* Function Name  : USB_LP_CAN1_RX0_IRQHandler
* Description    : This function handles USB Low Priority or CAN1 RX0 interrupts
*                  requests.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void USB_LP_CAN1_RX0_IRQHandler(void)
{
  USB_Istr();
}
/*******************************************************************************
* Function Name  : TIM2_IRQHandler
* Description    : This function handles TIM2 global interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void TIM2_IRQHandler(void)
{
#ifdef USE_STM3210B_EVAL
  if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)
  {
    /* Clear TIM2 update interrupt */
    TIM_ClearITPendingBit(TIM2, TIM_IT_Update);

    if ((Out_Data_Offset < In_Data_Offset) && ((uint8_t)(MUTE_DATA) == 0))
    {
      TIM_SetCompare3(TIM4, Stream_Buff[Out_Data_Offset]);
      Out_Data_Offset++;
    }
  }
#endif
}

/*******************************************************************************
* Function Name  : SPI2_IRQHandler
* Description    : This function handles SPI2 global interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SPI2_IRQHandler(void)
{
#ifdef USE_STM3210E_EVAL
  static uint8_t channel = 0;

  if ((SPI_I2S_GetITStatus(SPI2, SPI_I2S_IT_TXE) == SET))
  {
    /* Audio codec configuration section */
    if (GetVar_SendDummyData() == 1)
    {
      /* Send a dummy data just to generate the I2S clock */
      SPI_I2S_SendData(SPI2, DUMMYDATA);
    }
    else if ((Out_Data_Offset < In_Data_Offset) && ((uint8_t)(MUTE_DATA) == 0))
    {
      if ((channel++) & 1)
      {
        SPI_I2S_SendData(SPI2, (uint16_t)Stream_Buff[Out_Data_Offset++]);
      }
      else
      {
        SPI_I2S_SendData(SPI2, (uint16_t)Stream_Buff[Out_Data_Offset]);
      }
    }
  }
#endif
}

/******************************************************************************/
/*                 STM32F10x 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_stm32f10x_xx.s).                                            */
/******************************************************************************/

/*******************************************************************************
* Function Name  : PPP_IRQHandler
* Description    : This function handles PPP interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
/*void PPP_IRQHandler(void)
{
}*/

/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/