audiodriver.h

bf533音訊處理 使用visual audio 軟件

// Copyright(c) 2005 Analog Devices, Inc. All Rights Reserved.
// This software is proprietary and confidential to Analog Devices, Inc. and its licensors.

// File    : $Id: //depot/Development/VisualAudio/Platforms/EZKit_BF533_Basic/2.5.0/AudioDriver.h#4 $ 
// Part of : VisualAudio V2.5.0 
// Updated : $Date: 2006/10/12 $ by $Author: Fernando $


#ifndef __AUDIODRIVER_H__
#define __AUDIODRIVER_H__

/*********************************************************************

Include files

*********************************************************************/

#include "AudioIOModes.h"

#define DEFAULT_AUDIO_IO_MODE AudioIOMode_ADC 

#include <services/services.h>
#include <drivers/adi_dev.h>

// switch for enabling separate interrupt thread to handle input audio data
#define RENDER_AT_LOWER_INTERRUPT_LEVEL          1       // 1: YES, 0: NO

// put DMA buffer memory in L1 memory, which require tick size as 32.
#define DMA_BUFFER_IN_L1_MEMORY             0       // 0: off-memory, 1: L1 memory

// Power manager specific definition of platform configuration
#define PWR_MANGER_EZKIT_PRESET     ADI_PWR_EZKIT_BF533_600MHZ
 

#if (RENDER_AT_LOWER_INTERRUPT_LEVEL)
// IVG level for rendering function
#define USER_ISR0       14                      // use software interrupt 0
#endif

/*********************************************************************

AD1836 TDM 8 channel codec

*********************************************************************/

// number of TDM channels
#define TDM_CHANNELS    8  // driver uses secondary

// channel layout for 8 channel TDM with secondary data
#define INTERNAL_ADC_L1     0
#define INTERNAL_ADC_R1     4
#define INTERNAL_ADC_L2     1
#define INTERNAL_ADC_R2     5

#define INTERNAL_DAC_L1     0
#define INTERNAL_DAC_R1     4
#define INTERNAL_DAC_L2     1
#define INTERNAL_DAC_R2     5
#define INTERNAL_DAC_L3     2
#define INTERNAL_DAC_R3     6

//=================================================
// Audio Driver specific 

// DMA frame word size
#define TDM_FRAME_SIZE      (TDM_CHANNELS)      // TDM_CHANNELS is number of TDM slots per Analog CODEC

// number of actually used input channels
#define SYSAudio_MAX_INPUT_CHANNEL_COUNT    (4)         // 4 analog input

// number of actually used output channels
#define SYSAudio_MAX_OUTPUT_CHANNEL_COUNT  (6)         // 6 analog output


/*********************************************************************
*
*   Exported Functions
*
*********************************************************************/
void SYSAudio_Close(void);
int SYSAudio_Init(int audioIOMode);
void SYSAudio_Clear(void);
int SYSAudio_ChangeMode(int iAudioIOMode);
int SYSAudio_Run(bool bRun);


#endif      // __AUDIODRIVER_H__