fir滤波程序

#include "DSP2833x_Device.h" // DSP2833x Headerfile Include File

#include "DSP2833x_Examples.h" // DSP2833x Examples Include File

//#include "f2812a.h"

#include"math.h"



#define FIRNUMBER 25

#define SIGNAL1F 1000

#define SIGNAL2F 4500

#define SAMPLEF 10000

#define PI 3.1415926



float InputWave()

float FIR()



float fHn[FIRNUMBER]={ 0.0,0.0,0.001,-0.002,-0.002,0.01,-0.009,

-0.018,0.049,-0.02,0.11,0.28,0.64,0.28,

-0.11,-0.02,0.049,-0.018,-0.009,0.01,

-0.002,-0.002,0.001,0.0,0.0

}

float fXn[FIRNUMBER]={ 0.0 }

float fInput,fOutput

float fSignal1,fSignal2

float fStepSignal1,fStepSignal2

float f2PI

int i

float fIn[256],fOut[256]

int nIn,nOut -#include "DSP2833x_Device.h"　　 // DSP2833x Headerfile Include File

#include "DSP2833x_Examples.h"　 // DSP2833x Examples Include File

//#include "f2812a.h"

#include"math.h"



#define FIRNUMBER 25

#define SIGNAL1F 1000

#define SIGNAL2F 4500

#define SAMPLEF　10000

#define PI 3.1415926



float InputWave()

float FIR()



float fHn[FIRNUMBER]={ 0.0,0.0,0.001,-0.002,-0.002,0.01,-0.009,

　　　　　　　　　　　-0.018,0.049,-0.02,0.11,0.28,0.64,0.28,

　　　　　　　　　　　-0.11,-0.02,0.049,-0.018,-0.009,0.01,

　　　　　　　　　　　-0.002,-0.002,0.001,0.0,0.0

　　　　　　　　　　 }

float fXn[FIRNUMBER]={ 0.0 }

float fInput,fOutput

float fSignal1,fSignal2

float fStepSignal1,fStepSignal2

float f2PI

int i

float fIn[256],fOut[256]

int nIn,nOut