audio_class.h

NXP LPC系列AMR7的开发程序源码（LCD

/*************************************************************************
 *
 *    Used with ICCARM and AARM.
 *
 *    (c) Copyright IAR Systems 2005
 *
 *    File name   : audio_class.h
 *    Description : AUDIO CLASS definitions
 *
 *    History :
 *    1. Date        : November 29, 2005
 *       Author      : Stanimir Bonev
 *       Description : Create
 *
 *    $Revision: 18137 $
 **************************************************************************/
#include "includes.h"

#ifndef __AUDIO_CLASS_H
#define __AUDIO_CLASS_H

#define SubFrameSize  2
#define SempRerFrame  48
#define SampFreq      (SempRerFrame KHZ)

#define MinVol        0x8000

#define Feat1MinVol   0xD000UL
#define Feat1MaxVol   0x0600UL
#define Feat1ResVol   0x0001UL

#define Feat2MinVol   0xD000UL
#define Feat2MaxVol   0x0600UL
#define Feat2ResVol   0x0001UL

typedef enum
{
  FeatUnit1Id = 1,
  SpkInTermID, SpkOutTermID,
  SelUnit1ID,
} AudioID_t;

extern Int32U SYS_GetFpclk(Int32U Periphery);

/*************************************************************************
 * Function Name: AudioClassInit
 * Parameters: none
 *
 * Return: none
 *
 * Description: USB Class Audio Init
 *
 *************************************************************************/
void AudioClassInit (void);

/*************************************************************************
 * Function Name: UsbClassAudioConfigure
 * Parameters:  void * pArg
 *
 * Return: void *
 *
 * Description: USB Class Audio configure
 *
 *************************************************************************/
void * UsbClassAudioConfigure (void * pArg);

/*************************************************************************
 * Function Name: AudioInHadler
 * Parameters:  void * pArg
 *
 * Return: void *
 *
 * Description: USB Class Audio Out EP handler
 *
 *************************************************************************/
void * AudioInHadler (void *Arg);

/*************************************************************************
 * Function Name: FIQ_Handler
 * Parameters: none
 *
 * Return: none
 *
 * Description:
 *
 *************************************************************************/
__fiq __arm void FIQ_Handler (void);

/*************************************************************************
 * Function Name: AudioFeatureGetReg
 * Parameters:  Int32U CS, Int32U Id
 *
 * Return: Boolean
 *
 * Description:
 *
 *************************************************************************/
static Boolean AudioFeatureGetReg (Int32U CS, Int32U Id);

/*************************************************************************
 * Function Name: UsbClassAudioRequest
 * Parameters:  void * pArg
 *
 * Return: void *
 *
 * Description: USB Class Audio Requests
 *
 *************************************************************************/
void * UsbClassAudioRequest (void * pArg);

/*************************************************************************
 * Function Name: UsbClassAudioData
 * Parameters:  void * pArg
 *
 * Return: void *
 *
 * Description: USB Class Audio Data receive
 *
 *************************************************************************/
void * UsbClassAudioData (void * pArg);


#endif //__AUDIO_CLASS_H