i2s_aud.h

基于wince 操作系统的开发的i2s驱动程序

/*******************************************************************
    Copyright (c) 2004 BSQUARE Corporation.  All rights reserved.
 ******************************************************************/

#ifndef _I2S_AUDIO_PDD_H_
#define _I2S_AUDIO_PDD_H_

extern BOOL InitializePlatform(PWAVE_DEVICE_INSTANCE);
extern BOOL InitializeDMA(PWAVE_DEVICE_INSTANCE);
extern BOOL InitializeInterrupt(PWAVE_DEVICE_INSTANCE);
extern void StartDma(PWAVE_RESOURCE);
extern void ShutdownDma(PWAVE_RESOURCE);

extern MMRESULT GetOutputVolume(IN PWAVE_DEVICE_INSTANCE,OUT PULONG);
extern MMRESULT SetOutputVolume(IN PWAVE_DEVICE_INSTANCE,IN ULONG);
extern VOID WaveOutStart(IN OUT PWAVE_RESOURCE,IN OUT PWAVEHDR);
extern VOID WaveOutContinue(IN OUT PWAVE_RESOURCE,IN OUT PWAVEHDR);
extern VOID WaveOutEndOfData(IN OUT PWAVE_RESOURCE);
extern VOID WaveInStart(IN OUT PWAVE_RESOURCE,IN OUT PWAVEHDR);
extern VOID WaveInContinue(IN OUT PWAVE_RESOURCE,IN OUT PWAVEHDR);
extern VOID WaveInStop(IN OUT PWAVE_RESOURCE);
extern BOOL SMBusWriteReg(
    IN HANDLE hSMBus,
    IN UCHAR  Reg,
    IN USHORT Value
    );
BOOL InitializeRegisters(PSC_I2S *pI2S);
#endif _I2S_AUDIO_PDD_H_