////////////////////////////////////
// CAMAC (Stelzer) event unpacker
// for the Asy-EOS experiment.
// A. Le Fevre, 11/2012
////////////////////////////////////

#include "TCAMACEvent.h"

TCAMACEvent *gcamacevent = 0;

using namespace std;

//Constructor
TCAMACEvent::TCAMACEvent() 
{
 if(gcamacevent==0) gcamacevent = this;
}


//Destructor 
TCAMACEvent::~TCAMACEvent()
{
    gcamacevent = 0;
}

//************************************************
//
// STELZER readout -  event structure 
//   
//************************************************

  
    float TCAMACEvent::tstart_sc(int *buffer, int nWords){
    int *SubEventDataPtr=buffer;
    Int_t word[33],ii;
    for (ii=5; ii<13; ii++){
	    //		       word = 0xFFFF0313;
	    //		       word = (word<<21)>>21;
	    word[ii] = (((*(SubEventDataPtr+ii))<<21)>>21);
	    //	    cout<<(hex)<<word[i]<<"\t";
    }
    //	   cout<<endl<<"TDC#2: ";

    /*
    for (ii=13; ii<21; ii++){
	word[ii] = (((*(SubEventDataPtr+ii))<<21)>>21);
	//		       word = psubevt->Data(i);
	//		       word= (word<<21)>>21;
	//	       cout<<(hex)<<word[i]<<"\t";
    }
    //	   cout<<endl<<"QDC#1: ";
    for (ii=21; ii<33; ii++){
	word[ii] = (((*(SubEventDataPtr+ii))<<20)>>20);
	//	       cout<<(hex)<<word[i]<<"\t";
    }
    */

    return (word[5] + word[6])/2./20.; // (ns) - 50 ps/channel
}