关于并网逆变器DSP代码问题

我想给DSP28335一个假的三相并网电压电流数据来测试代码，代码如下所示，但是我的ea、eb、ec、ia、ib、ic正常在变换，接下来的计算代码却不能输出结果，这是为什么？

#include "DSP2833x_Device.h"     // DSP2833x Headerfile Include File
#include "DSP2833x_Examples.h"   // DSP2833x Examples Include File
#include "init_sin.h"
#include "test1.h"
#include "math.h"

extern float   e_A, e_B, e_C;//实际电压值
extern float   i_A, i_B, i_C;//实际电流值

void ABC_ref(void)    //初始化正弦波数据
{
    int i;
    for(i=0;i<=359;i++)
    {
        e_A = 311*sin(2*PI*i/360);
        e_B = 311*sin(2*PI*(i-120)/360);
        e_C = 311*sin(2*PI*(i+120)/360);
        i_A = 6.8*sin(2*PI*i/360);
        i_B = 6.8*sin(2*PI*(i-120)/360);
        i_C = 6.8*sin(2*PI*(i+120)/360);
        }

#include "DSP2833x_Device.h"     // DSP2833x Headerfile Include File
#include "DSP2833x_Examples.h"   // DSP2833x Examples Include File
#include "init_sin.h"
#include "test1.h"
#include "math.h"


extern float i_A,i_B,i_C;
extern float e_A, e_B, e_C;
extern float e_alpha;
extern float e_beta;
extern float i_alpha;
extern float i_beta;
extern float Ttype_ps;
extern float Ttype_qs;
extern float Ep;
extern float Eq;


void formula(void)
{
  e_alpha = e_A-0.5*e_B-0.5*e_C;                              //
  e_beta = 1.7320508076/2.0*e_B-1.7320508076/2.0*e_C;         //
  e_alpha = 0.6666666667*e_alpha;
  e_beta = 0.6666666667*e_beta;

  i_alpha = i_A-0.5*i_B-0.5*i_C;                              //
  i_beta = 1.7320508076/2.0*i_B-1.7320508076/2.0*i_C;         //
  i_alpha = 0.6666666667*i_alpha;
  i_beta = 0.6666666667*i_beta;

  Ttype_ps = e_alpha*i_alpha+e_beta*i_beta;
  Ttype_qs = e_beta*i_alpha-e_alpha*i_beta;             //瞬时功率理论
  Ttype_ps = 1.5*Ttype_ps;
  Ttype_qs = 1.5*Ttype_qs;

  Ep = Pref-Ttype_ps;
  Eq = Qref-Ttype_qs;

}

#include "DSP2833x_Device.h"     // DSP2833x Headerfile Include File
#include "DSP2833x_Examples.h"   // DSP2833x Examples Include File
#include "math.h"
#include "test1.h"
#include "init_sin.h"

float e_A_arr[360], e_B_arr[360], e_C_arr[360];
float i_A_arr[360], i_B_arr[360], i_C_arr[360];
float   e_A, e_B, e_C;//电压值
float   i_A, i_B, i_C;//电流
float e_alpha;
float e_beta;
float i_alpha;
float i_beta;
float Ttype_ps;
float Ttype_qs;
float Ep;
float Eq;
//float fp;
//float fq;
//float u_alpha0;
//float u_beta0;
//float center_sector_alpha[6];
//float center_sector_beta[6];
//unsigned char N=0;
#define JDQ_XH  GpioDataRegs.GPACLEAR.bit.GPIO31 = 1  //继电器吸合
#define JDQ_DK  GpioDataRegs.GPASET.bit.GPIO31 = 1    //继电器断开

//void configtestled(void);
void configJDQ(void);
interrupt void cpu_timer0_isr(void);



void main(void)
{
    InitSysCtrl();
    configJDQ();

    InitXintf();                //  配置外部存储器的访问时序


//↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓中断初始化↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
    DINT;                       //禁用CPU中断
    InitPieCtrl();              // 初始化中断控制寄存器，禁用所有PIE中断并清楚标志位
    IER = 0x0000;               // 关闭总中断
    IFR = 0x0000;               // 清除中断信号
    InitPieVectTable();         // 初始化中断向量表


//       EALLOW;
//              SysCtrlRegs.PCLKCR3.bit.CPUTIMER0ENCLK = 1;  //开启cpu time0时钟
//       EDIS;

        EALLOW;
              PieVectTable.TINT0 = &cpu_timer0_isr;
    //        PieVectTable.SCIRXINTB = &sci485_isr;
        EDIS;

//        EALLOW;
//            SysCtrlRegs.PCLKCR0.bit.TBCLKSYNC=0;    //同步PWM时钟信号
//        EDIS;
//
//        EALLOW;
//            SysCtrlRegs.PCLKCR0.bit.TBCLKSYNC=1;    //同步PWM时钟信号
//        EDIS;

        InitCpuTimers();
    //  ConfigCpuTimer(&CpuTimer0, 150, 33.3); //周期10us，开关频率18kHz
        ConfigCpuTimer(&CpuTimer0, 150, 100);    //周期10us，开关频率10kHz


        StartCpuTimer0();//打开定时器
    //    Init_sci_485_config();

        IER |= M_INT1;//使能CPU INT1和INT9
        IER |= M_INT9;
        PieCtrlRegs.PIECTRL.bit.ENPIE = 1;   //使能pie模块
        PieCtrlRegs.PIEIER1.bit.INTx7 = 1;   //Enable TINT0(1.7)
        PieCtrlRegs.PIEIER9.bit.INTx3 = 1;   //Enable SCIRXINTB(9.3)

        EINT;
        ERTM;
//↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑

        CpuTimer0Regs.TCR.bit.TSS = 0; //立即启动定时器0

        JDQ_XH;



            for(;;)
            {
                if(CpuTimer0Regs.TCR.bit.TIF == 0)//if(current_flag == 1)     // 确保中断已更新全部数据
                {
                ;
                }
                else
                {;}
            }

}

interrupt void cpu_timer0_isr(void)
{
      ABC_ref();
      formula();
//    sector_partition();



    CpuTimer0.InterruptCount = (CpuTimer0.InterruptCount >= 18000)? 0:CpuTimer0.InterruptCount+1;   //1s

    // Acknowledge this interrupt to receive more interrupts from group 1
    PieCtrlRegs.PIEACK.all |= PIEACK_GROUP1;
//    PieCtrlRegs.PIEACK.all |= PIEACK_GROUP9;
    CpuTimer0Regs.TCR.bit.TIF = 1;  //写1清除中断标志（该位为1表明进入中断，该位为0表明中断函数结束）
    CpuTimer0Regs.TCR.bit.TRB = 1;

}