dsp28_ev.c

TI2812DSP芯片采用EVA（事件管理器）产生SVPWM例程

//
//      TMDX ALPHA RELEASE
//      Intended for product evaluation purposes
//
//###########################################################################
//
// FILE:	DSP28_Ev.c
//
// TITLE:	DSP28 Event Manager Initialization & Support Functions.
//
//###########################################################################
//
//  Ver | dd mmm yyyy | Who  | Description of changes
// =====|=============|======|===============================================
//  0.55| 06 May 2002 | L.H. | EzDSP Alpha Release
//  0.56| 20 May 2002 | L.H. | No change
//  0.57| 27 May 2002 | L.H. | No change
//###########################################################################

#include "DSP28_Device.h"

//---------------------------------------------------------------------------
// InitEv: 
//---------------------------------------------------------------------------
// This function initializes to a known state.
//
void InitEv(void)
{
  EvaRegs.EXTCON.bit.INDCOE=0;
     /*   EvaRegs.ACTR.all=0x0aaa;
        EvaRegs.DBTCONA.all=0x08ec;
        EvaRegs.CMPR1=0x0006;
        EvaRegs.CMPR2=0x0005;
        EvaRegs.CMPR3=0x0004;  */	
        EALLOW;                       /* Enable EALLOW */
        GpioMuxRegs.GPAMUX.all |= 0x003F; 
        EDIS;                         /* Disable EALLOW */
        EvaRegs.T1PR=3750;
        EvaRegs.ACTR.all=0x0999;
        EvaRegs.CMPR1=1000;
        EvaRegs.CMPR2=1000;
        EvaRegs.CMPR3=400;
		EvaRegs.DBTCONA.all = 0x05f4; //2us

       
        EvaRegs.COMCONA.all=0xa200;

		 EvaRegs.T1CON.all=0x8840;
	   //EvbRegs.COMCONB.all=0xa200;
	   	 

}	
	
//===========================================================================
// No more.
//===========================================================================