?? codec.h
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//************************************************************//
//
//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
//------------------------------------------------------------------//
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