t4.h

在c54xx的平台下实现iir滤波器的设计dsp编程是c语言程序

/* Test for iircas51: rand */
#define NX 16
#define NBIQ 4
#define FNAME "t4"
#define MAXERROR 10

DATA x[NX] ={
1473,
1447,
382,
-15,
1635,
1316,
592,
1301,
655,
-647,
-861,
-650,
139,
929,
-781,
1385,
};

#pragma DATA_SECTION (h,".coeffs")
DATA h[5*NBIQ] ={ /* C54x: b0 b1 b2 a1 a2 ... */
29909,
31409,
15536,
2228,
-3609,
1479,
-14964,
-23798,
-4243,
12738,
24888,
-16216,
-31966,
6636,
7942,
-21412,
24599,
25788,
1524,
19302,
};

DATA rtest[NX] ={
-31,
309,
579,
-1400,
-3156,
1219,
6243,
888,
-6336,
-1033,
6017,
1781,
-2076,
2343,
3178,
-3658,
};

#pragma DATA_SECTION (dbuffer,".dbuffer")
DATA dbuffer[2*NBIQ];
DATA *dp = dbuffer;

DATA r[NX];