audio.c

来自「基于uCOS/II制作的MP3」· C语言 代码 · 共 25 行

//AUDIO INTERFACE
#include "config.h"
#include "aud_drv.h"

void SetAUDCLK(uchar AUCD)
{AUDCLK=AUCD;}

 void SetAUDCON(bit HLR,bit DSIZ,bit POL,uchar JUST,bit SRC)
{if(HLR) AUDCON0=AUDCON0|0x01;
 else    AUDCON0=AUDCON0&0xfe;
 if(DSIZ)AUDCON0=AUDCON0|0x02;
 else    AUDCON0=AUDCON0&0xfd;
 if(POL) AUDCON0=AUDCON0|0x04;
 else    AUDCON0=AUDCON0&0xfb;

 AUDCON0=AUDCON0|((JUST<<3)&0xf4);
 if(SRC) AUDCON1=AUDCON1|0x80;
 else    AUDCON1=AUDCON1&0x7f;
 AUDCON1=AUDCON1|0x01;
 //delay(0xffff);
 AUDCON1=AUDCON1|0x40;
}