main.c

FFT的实验程序

#include <math.h>
#include <stdio.h>
#include "d:\\code\\JXXY_DRIVER\\mmdrv.h"
#include "d:\\code\\JXXY_DRIVER\\cpu_reg.h"    
#include "d:\\code\\JXXY_DRIVER\\lcd_86.h"
#define FFTSIZE 32

void main()
{
#if 1
int	fftPdata[FFTSIZE];

int	fftdata[FFTSIZE*2]={
	100,100,
	200,200,
	1756,8005,
	4005,3005,
	5723,466,
	865,657,
	700,809,
	886,924,
	978,1023,
	1023,211,
	1321,122,
	1132,1233,
	133,124,
	154,715,
	195,716,
	916,417,
	9017,2218,
	9818,3419,
	6519,3220,
	2230,221,
	2135,2382,
	222,213,
	123,2424,
	244,525,
	285,-26,
	226,257,
	267,2428,
	218,249,
	249,320,
	3045,131,
	312,342,
	321,323,};

  	SWWSR = 0x7fff;
    SWCR = 0x0001;
    BSCR = 0x8006;	  
    CLKMD = PLL_DIV_INIT;
    waitloop( 0x0400 );
    CLKMD = PLL_LOCK_INIT_X(9);	
    waitloop( 0x0400 );

    init_lcd();
  	LCD_clear(0);
	cur_row=1;        
	cur_col=15;        
    LCD_pr_chars("    FFT TEST     ",17);
	cur_row=2;        
	cur_col=1;        
    LCD_pr_chars("========================",23);
	Close_LED_Data();
	Close_LED_Traf();
	Close_LED_sign();

	MFFT(fftdata,fftPdata);

	while(1)
	{ 

	}
#endif
}