dsp28335调用FFT库函数问题

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

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

#include <math.h>

//#include "AdRead.h"

#include "rms.h"

#include "Harmonic.h"

#include "Power.h"

#include "GridFrequency.h"

#include "FPU.h"

#include "C28X_FPU_FASTRTS.h"

int16    Adiniflag=0;     //AD开始初始化该标志为1，AD采样中为0

int16    Adiniover=0;     //AD初始化结束标志

Uint16 N = 32;         //32采样点数

float32 NNi = 0.0078125;

Uint16 MAX = 50;

int16 x1=0;

int A=0;

void ADdatadeal();

void Para_deal();

void Adinitial();

void FFtCaculate(RFFT_F32_STRUCT fft,float32 ipcb1[],float32 mag[],float32 Inbuffer[]);

#define     Np   128

#define FFT_STAGES 7

float32  TwiddleBuffer[Np];

RFFT_F32_STRUCT  fft32;

float32 sin_table[128],cos_table[128];

//ADREAD   adread1 = ADREAD_DEFAULTS;

POWER    power1 = POWER_DEFAULTS;

HARMONIC harmonic1 = HARMONIC_DEFAULTS;

RMS      rms1 = RMS_DEFAULTS;

union Urms Urms1;

union Irms Irms1;

union Pmeas Pmeas1;

union UIgain Us,Is,Ig;

int16 Uab_flag=0;

int16 Ubc_flag=0;

int16 Uca_flag=0;

int16 Isa_flag=0;

int16 Isb_flag=0;

int16 Isc_flag=0;

int16 Ila_flag=0;

int16 Ilb_flag=0;

int16 Ilc_flag=0;

int16 Ica_flag=0;

int16 Icb_flag=0;

int16 Icc_flag=0;

float32 ipcbUab[Np];//实部，虚部

float32 ipcbUbc[Np];

float32 ipcbUca[Np];

float32 ipcbIsa[Np];

float32 ipcbIsb[Np];

float32 ipcbIsc[Np];

float32 ipcbIla[Np];

float32 ipcbIlb[Np];

float32 ipcbIlc[Np];

float32 magUab[Np/2];//幅值

float32 magUbc[Np/2];

float32 magUca[Np/2];

float32 magIsa[Np/2];

float32 magIsb[Np/2];

float32 magIsc[Np/2];

float32 magIla[Np/2];

float32 magIlb[Np/2];

float32 magIlc[Np/2];

float32 f_Uab[Np];//FFT输入

float32 f_Ubc[Np];

float32 f_Uca[Np];

float32 f_Isa[Np];

float32 f_Isb[Np];

float32 f_Isc[Np];

float32 f_Ila[Np];

float32 f_Ilb[Np];

float32 f_Ilc[Np];

void Para_deal()

{

  unsigned int i;

  for(i=0;i<128;i++)

  {

  sin_table[i]=3*sin(i/128.0*6.283185307179586476925286766559);

cos_table[i]=3*cos(i/128.0*6.283185307179586476925286766559);

if(i==127)

 A=1;

  }

 /* if(Adiniflag==1)

  Adinitial();

 adread1.Ugain=Us.Kabcf;  //变比

 adread1.Isgain=Is.Kabcf;

 adread1.Iggain=Ig.Kabcf;

 ADdatadeal(&adread1);

 rms1.N = Np;

 rms1.Ni = NNi;

 rms1.Uabp = adread1.Umeasabgrid;   //实际值

 //rms1.Ubcp = adread1.Umeasbcpt; //实际值

 //rms1.Ucap = adread1.Umeascapt;

 rms1.Ilap = adread1.ImeasIagrid1;

 //rms1.Ilbp = adread1.ImeasIlbpt;

 //rms1.Ilcp = adread1.ImeasIlcpt;

 //rms1.Isap = adread1.ImeasIsapt;

 // rms1.Isbp = adread1.ImeasIsbpt;

 rms1.Iscp = adread1.ImeasIcgrid2;

 rms1.Icap = adread1.ImeasIasvg1;

 //rms1.Icbp = adread1.ImeasIcbpt;

 //rms1.Iccp = adread1.ImeasIccpt;

 rms_calc(&rms1);

// ------------------------------------------------------------------------------  

 if ((Uab_flag==1)&&(Ubc_flag==1)&&(Uca_flag==1)

      &&(Isa_flag==1)&&(Isb_flag==1)&&(Isc_flag==1)

      &&(Ila_flag==1)&&(Ila_flag==1)&&(Ila_flag==1))// If the samples are acquired */    

           if(A==1)

           {                                    

             FFtCaculate(fft32,ipcbUab,magUab,sin_table);

 FFtCaculate(fft32,ipcbUbc,magUbc,cos_table);

 //FFtCaculate(fft32,ipcbUca,magUca,f_Uca);

// FFtCaculate(fft32,ipcbIsa,magIsa,f_Isa);

 //FFtCaculate(fft32,ipcbIsa,magIsa,f_Isb);

 //FFtCaculate(fft32,ipcbIsc,magIsc,f_Isc);

 //FFtCaculate(fft32,ipcbIla,magIla,f_Ila);

 //FFtCaculate(fft32,ipcbIlb,magIlb,f_Ilb);

 //FFtCaculate(fft32,ipcbIlc,magIlc,f_Ilc);  

 A=0;                                                        

           }

这是我写的程序