iir51_t.c

在c54xx的平台下实现iir滤波器的设计dsp编程是c语言程序

//*****************************************************************************
//  Filename:	 iir51_t.c
//  Version:	 0.01
//  Description: test for iircas51 routine
//*****************************************************************************

#include <math.h>
#include <stdio.h>
#include <tms320.h>
#include <dsplib.h>
	
#include "test.h"

short i;
short eflag = PASS;		// error flag or index into r vector where error

void main(void)
{
    /* clear */
    for (i=0;i<NX;i++) r[i] =0;	// clear output buffer (optional)
    for (i=0; i<4*NBIQ; i++) dbuffer[i] = 0; // clear delay buffer (a must)

    /* compute */
    iircas51(x,h,r,&dp,NBIQ, NX);

    /* test */
    eflag = test (r, rtest, NX, MAXERROR);

    if (eflag != PASS)
    {
        exit(-1);
    }

    return;
}