codec.h

一个可以用作实例的语音编结吗程序

//************************************************************//
//
//Filename:	CODEC.h
//Function:	Define data stucture and function used by CODEC
//
//************************************************************//

#ifndef CODEC_H
#define CODEC_H

/*Left line input channel volume control*/
#define   	Codec_LLIVC_LPS(x)   	((0<<1)+x)
#define     LLIVC_LIM(x)	(x<<7)	//Left line input mute
#define 	LLIVC_LIV(x)	x		//Left line input volume control(10111=0 db default)

/*Right line input channel volume control*/	
#define   	Codec_RLIVC_RLS(x)		((1<<1)+x)
#define     RLIVC_RIM(x)	(x<<7)	//Right line input mute
#define 	RLIVC_RIV(x)	x		//Right line input volume control(10111=0 db default)

/*Left channel headphone volume control*/	
#define   	Codec_LHPVC_LRS(x)   	((2<<1)+x)
#define     LHPVC_LZC(x)	(x<<7)	//Left-channel zero-cross detect
#define     LHPVC_LHV(x)	x		//Left Headphone volme control(1111001=0db default)

/*Rihgt channel headphone volume control*/	
#define   	Codec_RHPVC_RLS(x)   	((3<<1)+x)
#define     LHPVC_RZC(x)	(x<<7)	//Reft-channel zero-cross detect
#define     LHPVC_RHV(x)	x		//Reft Headphone volme control(1111001=0db default)

/*Analog audio path control*/	
#define    	Codec_AAPC_STA2(x)    	((4<<1)+x)
#define    	AAPC_STA10(x)	(x<<6)	//Added Sidetone 1-0bit
#define    	AAPC_STE(x)		(x<<5)	//Sidetone enable bit
#define    	AAPC_DAC(x)		(x<<4)	//DAC select
#define    	AAPC_BYP(x)		(x<<3)	//Bypass
#define    	AAPC_INSEL(x)	(x<<2)	//Input select for ADC
#define    	AAPC_MICM(x)	(x<<1)	//Microphone mute
#define    	AAPC_MICB(x)	x		//Microphone boost  0=db	1=20db

/*Digital audio path control*/	
#define   	Codec_DAPC_REV    	0x0a
#define   	DAPC_DACM(x)	(x<<3)	//DAC sofe mute
#define   	DAPC_DEEMP(x)	(x<<1)	//De-emphasis control 
#define   	DAPC_ADCHP(x)	x		//ADC highpass filter

/*Power down control*/	
#define   	Codec_PDC_REV     	0x0c
#define   	PDC_OFF(x)		(x<<7)	//Device power	
#define   	PDC_CLK(x)		(x<<6)	//Clock
#define   	PDC_OSC(x)		(x<<5)	//Oscillator
#define   	PDC_OUT(x)		(x<<4)	//Output
#define   	PDC_DAC(x)		(x<<3)	//DAC
#define   	PDC_ADC(x)		(x<<2)	//ADC
#define   	PDC_MIC(x)		(x<<1)	//Microphone input
#define   	PDC_LINE(x)		x		//Line input
#define 	PDC_DEFAULT		0x0

/*Digital audio interface format*/	
#define    	Codec_DAIF_REV    	0x0e	
#define		DAIF_MS(x)		(x<<6)	//Master/slave mode
#define		DAIF_LRSWAP(x)	(x<<5)	//DAC left/right swap
#define		DAIF_LRP(x)		(x<<4)	//DAC left/right phase
#define		DAIF_IWL(x)		(x<<2)	//Input bit length
#define		DAIF_FOR(x)		x		//Data format

/*Sample rate control*/	
#define 	Codec_SRC_REV     	0x10
#define 	SRC_CLKIN(x)	(x<<6)	//Clock input divider
#define 	SRC_CLKOUT(x)	(x<<7)	//Clock output divider
#define 	SRC_SR(x)		(x<<2)	//Sampling rate control
#define 	SRC_BOSR(x)		(x<<1)	//Base oversampling rate
#define 	SRC_USB(x)		x		//Clock mode select 0=normal 1=USB

/*Digital interface activation*/	
#define     Codec_DIA_REV       0x12
#define   	DIA_ACT(x)		x		//Activate interface 0=inactive

/*Reset register*/	
#define     Codec_RST_REV   	0x1e	
#define		RST_RES		    0		//Write 00000000 to this register triggers reset


#endif

//------------------------------------------------------------------//
//	No	More
//------------------------------------------------------------------//