#ifndef _DAC_DRV_H_ #define _DAC_DRV_H_ /*_____ I N C L U D E S ____________________________________________________*/ #include "../config.h" #include "board.h" /* board definition */ /*_____ M A C R O S ________________________________________________________*/ /*_____ D E F I N I T I O N ________________________________________________*/ /*_____ D E C L A R A T I O N ______________________________________________*/ #ifdef DAC_L3MODE extern Byte mp3_volume; //#define Dac_emphasis(b) ((b == TRUE)? (DAC_DEEM = ON) : (DAC_DEEM = OFF)) #define dac_init() dac_l3mode_send(DAC_L3I_ADDR,193); #define Dac_mute() dac_l3mode_send(DAC_L3I_ADDR,132); #define Dac_unmute() { dac_set_vol(mp3_volume); dac_l3mode_send(DAC_L3I_ADDR,128); } #define Dac_overclock(b) dac_l3mode_send(DAC_L3I_ADDR+2,b?16+6:32+6); void dac_set_vol (Byte volume); void dac_l3mode_send (Byte addr,Byte b); #else // DAC_L3MODE #define Dac_emphasis(b) ((b == TRUE)? (DAC_DEEM = ON) : (DAC_DEEM = OFF)) #define Dac_mute() (DAC_MUTE=ON); #define Dac_unmute() (DAC_MUTE=OFF); #ifdef DAC_CLK #define Dac_overclock(b) (DAC_CLK= b); #else #ifdef DAC_INVCLK #define Dac_overclock(b) (DAC_INVCLK= ~b); #endif #endif #define Dac_set_SF0() (DAC_SF0= ON); #define Dac_set_SF1() (DAC_SF1= ON); #define Dac_clr_SF0() (DAC_SF0= OFF); #define Dac_clr_SF1() (DAC_SF1= OFF); #define dac_init() ; #define dac_set_vol(b) MP3VOL = MP3VOR = b #endif #endif /* _DAC_DRV_H_ */