DSP控制的单相全桥PWM程序.docxVIP

----------------------------------------------------------/* Copyright (c) 2001-2002, Texas Instruments Incorporated. * All rights reserved. Property of Texas Instruments Incorporated. * Restricted rights to use, duplicate or disclose this code are * granted through contract. * 说明 * 完成功能: AD采样4个通道，PWM1 PWM2 PWM3 PWM4; * 瞬时直接电流闭环控制; * 定时器1控制PWM产生，定时器2控制AD采样频率。 * 实现了SPWM的输出HISPCP=75MHz，经过timer1的8分频，最后为9.375MHZ，AD为1.25MHZ； * 比较寄存器CMPR1-2实现了SPWM的输出。 * 编写时间: 2009.11.20*///-----------------------------------------------------------#include DSP28_Device.h#include stdio.h#include math.h#include IQmathLib.h#include float.h#define NX 51#define X 249#define PI 3.1415926#define KP_V 0.0035 // 电压PI运算值0.0044#define KI_V 0 // 0.4478#define KP_I 3.5 // 电流P运算值unsigned int n=0,n1=13,m=26,CMP1,CMP2,CMP[X]={0};int a[NX];int cap=0,M=1000,u=250,v=250,w=250,z=250,Ko=50,Kin=10;int flag_c=0;long GlobalQ = GLOBAL_Q;_iq UIN1,IIN1,UO1,IO1,PLL1;_iq IS,IS1,IS2,en_I,en1_I,Iref,U1,U2,U3,Uab,IS3;float en_V,en1_V,KP,Uab_flt,pp;float t,s[NX];float PLL_flt,PLL0_flt,PLL1_flt,PLL2_flt,PLL3_flt;float UIN_flt,UIN1_flt,UIN;float IIN_flt,IIN1_flt,IIN;float UO_flt,UO1_flt,UO;float IO_flt,IO1_flt,IO;float A[X]={0},B[X]={0},C[X]={0},D[X]={0},Iin[X]={0},PP[X]={0};interrupt void EVA_Timer1_UISR(void);interrupt void EVA_Timer1_PISR(void);interrupt void ADCINT_ISR(void);//-----------------------------------------------------------//函数名称：DelayUs//输入参数：无//输出参数：无//功能描述：延时功能//----------------------------------------------------------------void DelayUs( volatile Uint16 Usec ){ while( Usec-- )// 1us loop at 150MHz CPUCLK{ int i; for(i=150;i0;i--){;} //asm( RPT #139 || NOP);}} // end DelayUs()//----------------------------------------------------------------//函数名称：ProtCtrl()//输入参数：无//输出参数：无//功能描述：封锁PWM脉冲//----------------------------------------------------------------void ProtCtrl(){ DINT; IFR=0x0000; IER=0x0000; // 禁止和初始化CPU中断 E