?//三電平SVPWM波的生成程序

#include?“math.h“
#include?“DSP281x_Device.h“?????//?DSP281x?Headerfile?Include?File
#include?“DSP281x_Examples.h“
#include?
//全局變量
int16?Ts=2048;???//Tz=5e-4乘以1000，Q12，f=2kHz
int16?T_SAMPLE=2048;???//采樣周期和載波周期相等
int16?Vdc=45;????//Q0
int16?uaphaubeta;
int16?theta=0;??????
int16?theta1;
int16?p3=12868;?????//?piQ12
int16?p1=4289;????//?pi/3
int16?p2=8579;????//2*pi/3
int16?p4=17157;???//4*pi/3
int16?p5=21447;??//5*pi/3
int16?p6=25736;???//2pi
int16?p7=2145;???//pi/6
Uint16?N=0n=0;
Uint16?i=0;
int16?Vref;
int16?TaTbTc;
int16?T1T2T3;
int16?TmTnThTxTy;
int16?cmpr[6]={000000};???//cmpr[6]={CMPR1CMPR2CMPR3CMPR4CMPR5CMPR6};
int16?*ptr=cmpr;
int16?F_OMEGA=314;???//2pi*50Hz?Q0格式
int16?SET_F=128;???//f/50Q7
int16?MAX_V=2365;//Q12???1.732Udc/3
int16?thetatheta_1=0;
int16?THETA_1=0;
int16?OMEGATEMPTEMP1TEMP_1=0;????//Q0
int16?ATOD=917;?//Q4
int16?SET_V;
int16?SIN_thetaCOS_thetaSIN_theta1COS_theta1;
int16?sin_table[91]={0
71
143
214
286
357
428
499
570
641
711
782
852
921
991
1060
1129
1198
1266
1334
1401
1468
1534
1600
1666
1731
1796
1860
1923
1986
2048
2110
2171
2231
2290
2349
2408
2465
2522
2578
2633
2687
2741
2793
2845
2896
2946
2996
3044
3091
3138
3183
3228
3271
3314
3355
3396
3435
3474
3511
3547
3582
3617
3650
3681
3712
3742
3770
3798
3824
3849
3873
3896
3917
3937
3956
3974
3991
4006
4021
4034
4046
4056
4065
4074
4080
4086
4090
4094
4095
4096};??//Q12
int16?*p=sin_table;
int16?*q=&sin_table[90];
int16?m_1m_2m_3M_1M_2M_3m1m2m3;
int16?rs;
int16?ab;
Uint16?t=0;
Uint16?x[39];

//?Prototype?statements?for?functions?found?in?this?file.
interrupt?void?MY_T1UFINT_ISR（void）;
interrupt?void?MY_T3UFINT_ISR（void）;
void?init_eva（void）;
void?init_evb（void）;
void?main（void）
{
?
//?Step?1.?Initialize?System?Control:
//?PLL--30MHz*10/2?disable?WatchDog?enable?Peripheral?Clocks
//?This?example?function?is?found?in?the?DSP281x_SysCtrl.c?file.
InitSysCtrl（）;

//?Step?2.?Initalize?GPIO:?
//?This?example?function?is?found?in?the?DSP281x_Gpio.c?file?and
//?illustrates?how?to?set?the?GPIO?to?it‘s?default?state.
InitGpio（）;?

//?Step?3.?Clear?all?interrupts?and?initialize?PIE?vector?table:
//?Disable?CPU?interrupts?
????DINT;???????//asm（“?setc?INTM“）

//?Initialize?the?PIE?control?registers?to?their?default?state.
//?The?default?state?is?all?PIE?interrupts?disabled?and?flags
//?are?cleared.?
//?This?function?is?found?in?the?DSP281x_PieCtrl.c?file.
InitPieCtrl（）;


//?Initialize?the?PIE?vector?table?with?pointers?to?the?shell?Interrupt?
//?Service?Routines?（ISR）.?
//?This?will?populate?the?entire?table?even?if?the?interrupt
//?is?not?used?in?this?example.?This?is?useful?for?debug?purposes.
//?The?shell?ISR?routines?are?found?in?DSP281x_DefaultIsr.c.
/