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1、/TIFile$Revision:/main/8$//Checkin$Date:April21,200815:41:53$//###########################################################################////FILE:Example_2833xEPwmUpDownAQ.c////TITLE:空间电压矢量产生程序SVPWM////ASSUMPTIONS:////ThisprogramrequirestheDSP2833xheaderfiles.////MonitorePWM1
2、-ePWM3pinsonanoscilloscopeasdescribed//below.////EPWM1AisonGPIO0-------5脚//EPWM1BisonGPIO1-------6脚////EPWM2AisonGPIO2-------7脚//EPWM2BisonGPIO3-------10脚////EPWM3AisonGPIO4-------11脚//EPWM3BisonGPIO5-------12脚//////#############################################################
3、##############//$TIRelease:DSP2833x/DSP2823xHeaderFilesV1.20$//$ReleaseDate:August1,2008$//############################################################################include"DSP28x_Project.h"//DeviceHeaderfileandExamplesIncludeFile//Prototypestatementsforfunctionsfoundwithint
4、hisfile.voidInitEPwm1Example(void);voidInitEPwm2Example(void);voidInitEPwm3Example(void);voidsvpwmGen(void);interruptvoidsvpwm_isr(void);volatilefloatUalpha,Ubeta;volatilefloatA,B,C;精品学习资料可选择pdf第1页，共11页-----------------------volatilefloatT0,T1,T2,T3,T4,T5,T6;volatilefloatTaon,
5、Tbon,Tcon;floatUa,Ub,Uc;floatTs;inta,b,c;intN=0,sector=0;#defineTPRD800#defineUdc800voidmain(void){//Step1.InitializeSystemControl://PLL,WatchDog,enablePeripheralClocks//ThisexamplefunctionisfoundintheDSP2833x_SysCtrl.cfile.InitSysCtrl();//Step2.InitalizeGPIO://Thisexamplefunc
6、tionisfoundintheDSP2833x_Gpio.cfileand//illustrateshowtosettheGPIOtoit'sdefaultstate.//InitGpio();//Skippedforthisexample//ForthiscasejustinitGPIOpinsforePWM1,ePWM2,ePWM3//ThesefunctionsareintheDSP2833x_EPwm.cfileInitEPwm1Gpio();InitEPwm2Gpio();InitEPwm3Gpio();//Step3.Clearall
7、interruptsandinitializePIEvectortable://DisableCPUinterruptsDINT;//InitializethePIEcontrolregisterstotheirdefaultstate.//ThedefaultstateisallPIEinterruptsdisabledandflags//arecleared.//ThisfunctionisfoundintheDSP2833x_PieCtrl.cfile.InitPieCtrl();//DisableCPUinterruptsandcleara
8、llCPUinterruptflags:IER=0x0000;精品学习资料可选择pdf第2页，共11页----------
