dsp28_ev.c

TMS320F2812DSP与DAC7731的接口程序

//
//      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)
{
    EALLOW;
    GpioMuxRegs.GPAMUX.all=0xFFFF;  //PWM1 (O) T1PWM_T1CMP (I) GPIOA6	

    EDIS;
    
    EvaRegs.GPTCONA.all = 0x1065;       // gp timer control register 
    EvaRegs.T2CNT = 0x7FFF; //Counter Register  timer1 count is zero 
    EvaRegs.T2CON.all = 0x1F70;         //0x7FFF
    EvaRegs.T2PR = 0xFFFF;      //Period Register 0xFFFF
    EvaRegs.T2CMPR = 0x8007;    //Compare Register ת3Ȧ0x7440
}	
	
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// No more.
//===========================================================================