ad.c

DSK6713关于AD采样的一段源码程序

#include "short6713cfg.h"

#include "dsk6713.h"
#include "dsk6713_aic23.h"

#include <stdio.h>
#include <math.h>
#define Length 1024
//#define Len 10


DSK6713_AIC23_Config config = { \
    0x0017,  /* 0 DSK6713_AIC23_LEFTINVOL  Left line input channel volume */ \
    0x0017,  /* 1 DSK6713_AIC23_RIGHTINVOL Right line input channel volume */\
    0x01f9,  /* 2 DSK6713_AIC23_LEFTHPVOL  Left channel headphone volume */  \
    0x01f9,  /* 3 DSK6713_AIC23_RIGHTHPVOL Right channel headphone volume */ \
    0x0011,  /* 4 DSK6713_AIC23_ANAPATH    Analog audio path control */      \
    0x0000,  /* 5 DSK6713_AIC23_DIGPATH    Digital audio path control */     \
    0x0000,  /* 6 DSK6713_AIC23_POWERDOWN  Power down control */             \
    0x0043,  /* 7 DSK6713_AIC23_DIGIF      Digital audio interface format */ \
    0x0081,  /* 8 DSK6713_AIC23_SAMPLERATE Sample rate control */            \
    0x0001   /* 9 DSK6713_AIC23_DIGACT     Digital interface activation */   \
};

int in;
float x[Length];
int i,n;
Uint32 xL, xR;
      
void main()
{	

    DSK6713_AIC23_CodecHandle hCodec;

    DSK6713_init();
     
    hCodec = DSK6713_AIC23_openCodec(0, &config);
   
    DSK6713_AIC23_setFreq(hCodec, DSK6713_AIC23_FREQ_32KHZ);
    
	i=0;		
	n = Length;

	for (;;)
	{	
		for (i=0; i<=n-1; i++)
		{
		    while (!DSK6713_AIC23_read(hCodec, &xL));
       		while (!DSK6713_AIC23_read(hCodec, &xR));
			in = (Int16) xL;
			x[i]=  (float) in;
		
		}		
		i=0;
    	
	 }			

}