#include "DSP28x_Project.h"     // Device Headerfile and Examples Include File
#include <stdio.h>
// Prototype statements for functions found within this file.
interrupt void adc_isr(void);
void Adc_Config(void);


// Global variables used in this example:
Uint16 LoopCount;
Uint16 ConversionCount;
int Voltage2[1400];


main()
{
	   
    InitSysCtrl();
  	DINT;
	InitPieCtrl();

   IER = 0x0000;
   IFR = 0x0000;

   InitPieVectTable();


   EALLOW;  // This is needed to write to EALLOW protected register
   PieVectTable.ADCINT1 = &adc_isr;
   EDIS;    // This is needed to disable write to EALLOW protected registers


   InitAdc();  // For this example, init the ADC



// Enable ADCINT1 in PIE
   PieCtrlRegs.PIEIER1.bit.INTx1 = 1;	// Enable INT 1.1 in the PIE
   IER |= M_INT1; 						// Enable CPU Interrupt 1
   EINT;          						// Enable Global interrupt INTM
   ERTM;          						// Enable Global realtime interrupt DBGM

   LoopCount = 0;
   ConversionCount = 0;

// Configure ADC

	EALLOW;
	AdcRegs.ADCCTL1.bit.INTPULSEPOS	= 1;	//ADCINT1 trips after AdcResults latch
	AdcRegs.INTSEL1N2.bit.INT1E     = 1;	//Enabled ADCINT1
	AdcRegs.INTSEL1N2.bit.INT1CONT  = 1;	//Disable ADCINT1 Continuous mode
	AdcRegs.INTSEL1N2.bit.INT1SEL	= 2;	//setup EOC2 to trigger ADCINT1 to fire
	AdcRegs.ADCSOC2CTL.bit.CHSEL 	= 4;	//set SOC2 channel select to ADCINA2
	AdcRegs.ADCSOC2CTL.bit.TRIGSEL 	= 5;	//set SOC2 start trigger on EPWM1A, due to round-robin SOC0 converts first then SOC1, then SOC2
	AdcRegs.ADCSOC2CTL.bit.ACQPS 	= 6;	//set SOC2 S/H Window to 7 ADC Clock Cycles, (6 ACQPS plus 1)
	AdcRegs.ADCINTSOCSEL1.bit.SOC2 = 0;		// No ADCINT triggers SOC2.  TRIGSEL field determines trigger.
	AdcRegs.ADCCTL1.bit.ADCENABLE = 1;		// Enable the ADC
	EDIS;

// Assumes ePWM1 clock is already enabled in InitSysCtrl();
   
   EPwm2Regs.TBCTL.bit.CTRMODE = 0x3;		// Disable the timer

   EPwm2Regs.TBCTL.all = 0xC033;			// Configure timer control register
   EPwm2Regs.TBCTR = 0x0000;				// Clear timer counter
   EPwm1Regs.ETSEL.bit.SOCAEN	= 1;		// Enable SOC on A group
   EPwm1Regs.ETSEL.bit.SOCASEL	= 2;		// Select SOC from from CPMA on upcount
   EPwm1Regs.ETPS.bit.SOCAPRD 	= 1;		// Generate pulse on 1st event
   EPwm1Regs.TBPRD 				= 600;	// Set period for ePWM1
   EPwm1Regs.TBCTL.bit.CTRMODE 	= 0;		// count up and start

// Wait for ADC interrupt
   for(;;)
   {
      LoopCount++;
   }
}


interrupt void  adc_isr(void)
{
	  Voltage2[ConversionCount] = AdcResult.ADCRESULT2;

  if(ConversionCount == 1400)
	  {
	     ConversionCount = 0;
	  }
  else 
	 {
	  ConversionCount++;
	
	  AdcRegs.ADCINTFLGCLR.bit.ADCINT1 = 1;		//Clear ADCINT1 flag reinitialize for next SOC
	  PieCtrlRegs.PIEACK.all = PIEACK_GROUP1;   // Acknowledge interrupt to PIE
	 }


  return;
}