DSP实习报告模板1(3)

Test.h：

/*#define NX 300 #define NH 80

#define FNAME \#define MAXERROR 10

DATA x[NX] ;*/ //

#define NX 320 #define NH 70

//#define FNAME \#define MAXERROR 10 #define PI 3.1415926 //

#pragma DATA_SECTION(h,\DATA h[NH]={

22,24,11,-12,-35,-41,-21, 25,71,85,42,-50,-140,-164, -79,91,254,291,138,-158,-434, -495,-234,267,738,849,408,-477,

-1365,-1651,-852,1113,3804,6389,7969, 7969,6389,3804,1113,-852,-1651,-1365, -477,408,849,738,267,-234,-495, -434,-158,138,291,254,91,-79, -164,-140,-50,42,85,71,25, -21,-41,-35,-12,11,24,22 };

#pragma DATA_SECTION(db,\DATA db[NH+2] ;

DATA rtest[NX];

DATA r[NX];

Tms320.h：

/***********************************************************/ /* Version 2.20.02 */ /***********************************************************/ #ifndef _TMS320 #define _TMS320

typedef unsigned int uint; typedef unsigned short ushort;

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#define PASS -1

typedef short DATA; typedef long LDATA; #define ABSVAL abs #define SHIFT15 >>15 #define SHIFT1 /2 #define ROUND 0x400 #define DIV2 >>1 #endif

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Fir高通滤波器： 主函数：

//***************************************************************************** // Filename: fir2_t.c

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// Version: 0.01

// Description: test for fir2 routine

//*****************************************************************************

#include \#include \#include \#include \short i;

short eflag1= PASS; short eflag2= PASS; DATA r[NX];

DATA *dbptr = &db[0]; void main() {

int i;

short x[NX];

for(i=0;i

{ x[i]=(short)(((1+sin(PI*3000*i/12000))*sin(PI*4000*i/12000)*32768/3)) ; } // clear

for (i=0; i

fir2(x, h, r, dbptr, NX, NH);//双MAC运算，速度快

// fir(x, h, r, dbptr, NX, NH);//单MAC运算，速度相对双MAC要慢一些 while(1); } Test.h：

/*#define NX 300 #define NH 80

#define FNAME \#define MAXERROR 10

DATA x[NX] ;*/ //

#define NX 320 #define NH 70

//#define FNAME \#define MAXERROR 10 #define PI 3.1415926

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//

#pragma DATA_SECTION(h,\DATA h[NH]={

-17,-25,-20,0,26,44,37 0,-53,-89,-75,0,103,170 140,0,-186,-301,-243,0,316 508,409,0,-532,-862,-703,0

961,1625,1407,0,-2417,-5175,-7360 24569,-7360,-5175,-2417,0,1407,1625 961,0,-703,-862,-532,0,409 508,316,0,-243,-301,-186,0 140,170,103,0,-75,-89,-53 0,37,44,26,0,-20,-25 -17,0,0,0,0,0,0};

#pragma DATA_SECTION(db,\DATA db[NH+2] ; DATA rtest[NX]; DATA r[NX];

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