[u/mrichter/AliRoot.git] / ZDC / AliZDCRawStream.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

///////////////////////////////////////////////////////////////////////////////
//									     //
// This class provides access to ZDC digits in raw data.		     //
//									     //
// It loops over all ZDC digits in the raw data given by the AliRawReader.   //
// The Next method goes to the next digit. If there are no digits left	     //
// it returns kFALSE.							     //
// Getters provide information about the current digit. 		     //
//									     //
///////////////////////////////////////////////////////////////////////////////

#include "AliZDCRawStream.h"
#include "AliRawReader.h"
#include "AliLog.h"

ClassImp(AliZDCRawStream)


//_____________________________________________________________________________
AliZDCRawStream::AliZDCRawStream(AliRawReader* rawReader) :
  fRawReader(rawReader),
  fRawADC(0),	 
  fADCModule(0),	 
  fADCValue(-1),	 
  fADCGain(0),
  fIsADCDataWord(kFALSE)
{
  // Create an object to read ZDC raw digits

  fRawReader->Select("ZDC");
}

//_____________________________________________________________________________
AliZDCRawStream::AliZDCRawStream(const AliZDCRawStream& stream) :
  TObject(stream)
{
  // Copy constructor
  fRawADC = stream.GetADCRaw();	 
  for(Int_t j=0; j<2; j++) fSector[j] = stream.GetSector(j);	 
  fADCModule = stream.GetADCModule();	 
  fADCValue = stream.GetADCValue();	 
  fADCGain = stream.GetADCGain();	 
  fIsADCDataWord = stream.IsADCDataWord(); 
    
}

//_____________________________________________________________________________
AliZDCRawStream& AliZDCRawStream::operator = (const AliZDCRawStream& 
					      /* stream */)
{
  // Assignment operator
  Fatal("operator =", "assignment operator not implemented");
  return *this;
}

//_____________________________________________________________________________
AliZDCRawStream::~AliZDCRawStream()
{
// Destructor

}


//_____________________________________________________________________________
Bool_t AliZDCRawStream::Next()
{
  // Read the next raw digit
  // Returns kFALSE if there is no digit left

  if(!fRawReader->ReadNextInt((UInt_t&) fRawADC)) return kFALSE;
  fIsADCDataWord = kFALSE;
  
  //
  // --- DARC header
  if((fRawADC == 0xe52b6300) || (fRawADC == 0xe52c0300) ||  (fRawADC == 0xffffffff) ||
     (fRawADC == 0xdeadface) || (fRawADC == 0xdeadbeef)){
    //printf("    This is a DARC header!!!\n");
  }
  // --- End of data
  else if(fRawADC == 0xcafefade){
    //printf("    End of data!\n");
  } 
  // --- ADC buffer
  else{
    if((fRawADC & 0x6000000) == 0x6000000){ // Not valid datum
      //printf("    AliZDCRawStream -> Not valid datum in ADC module!!! %d\n",fADCModule);
    }
    else if((fRawADC & 0x4000000) == 0x4000000){ // ADC EOB
      //printf("    AliZDCRawStream -> ADC %d End Of Block - Event no. %d\n\n",fADCModule, (fRawADC & 0xffffff));
      fSector[0] = fSector[1] = 99;
    } 
    else if((fRawADC & 0x2000000) == 0x2000000){ // ADC Header
      printf("  fRawADC %x\n",fRawADC);
      // Reading the GEO address to determine ADC module
      fADCModule = (fRawADC & 0xf8000000) >> 27;
      fADCModule ++;
      //printf("    AliZDCRawStream -> HEADER: ADC mod. %d contains %d data words \n",fADCModule,((fRawADC & 0x3f00) >> 8));
    }
    else{ // ADC data word
      fIsADCDataWord = kTRUE;
      //printf(" \t \t ADC Data Word");
      //
      if(!(fRawADC & 0x1000) && !(fRawADC & 0x2000)){ // Valid ADC data
        fADCGain = (fRawADC & 0x10000) >> 16;
        fADCValue = (fRawADC & 0xfff);   
        //
        Int_t vADCChannel = (fRawADC & 0x1e0000) >> 17;
        if(fADCModule==1 || fADCModule==3){  //1st & 3rd ADC modules
          if(vADCChannel >= 0 && vADCChannel <= 4){ 
            fSector[0] = 1; // ZN1
            fSector[1] = vADCChannel;
          } 
          else if(vADCChannel >= 8 && vADCChannel <= 12){
            fSector[0] = 2; // ZP1
            fSector[1] = vADCChannel-8;
          } 
          else if(vADCChannel == 5 || vADCChannel == 13){
            fSector[0] = 3; // ZEM 1,2
            fSector[1] = ((vADCChannel-5)/8)+1;
          }
        }
        else if(fADCModule==2 || fADCModule==4){  //2nd & 4rth ADC modules
          if(vADCChannel >= 0 && vADCChannel <= 4){ 
            fSector[0] = 4; // ZN2
          fSector[1] = vADCChannel;
          } 
          else if(vADCChannel >= 8 && vADCChannel <= 12){
            fSector[0] = 5; // ZP2
            fSector[1] = vADCChannel-8;
          } 
          else if(vADCChannel == 5 || vADCChannel == 13){
            fSector[0] = (vADCChannel-5)*3/8+1; // PM Ref 1,2
            fSector[1] = 5;
          }
        }
        else{
          AliWarning("    AliZDCRawStream -> No valid ADC module\n");
          fRawReader->AddMajorErrorLog(kInvalidADCModule);
        }
        //printf("  ADC %d ch %d range %d -> det %d quad %d value %x\n",
        //   fADCModule, vADCChannel, fADCGain, fSector[0], fSector[1], fADCValue);//Chiara debugging
      
      }// Valid ADC data
      else if(fRawADC & 0x1000){ 
        //printf("  ADC %d ch %d range %d  overflow\n",fADCModule, (fRawADC & 0x1e0000) >> 17, fADCGain); // Overflow
      }
      else if(fRawADC & 0x2000){ 
        //printf("  ADC %d ch %d range %d  underflow\n",fADCModule, (fRawADC & 0x1e0000) >> 17, fADCGain); // Underflow
      }
    }// ADC word
  }//Not DARC Header

  return kTRUE;
}
Commit	Line	Data
8309c1ab	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/* $Id$ */
	17
	18	///////////////////////////////////////////////////////////////////////////////
83347831	19	// //
	20	// This class provides access to ZDC digits in raw data. //
	21	// //
	22	// It loops over all ZDC digits in the raw data given by the AliRawReader. //
	23	// The Next method goes to the next digit. If there are no digits left //
	24	// it returns kFALSE. //
	25	// Getters provide information about the current digit. //
	26	// //
8309c1ab	27	///////////////////////////////////////////////////////////////////////////////
	28
	29	#include "AliZDCRawStream.h"
	30	#include "AliRawReader.h"
cc2abffd	31	#include "AliLog.h"
8309c1ab	32
	33	ClassImp(AliZDCRawStream)
	34
	35
	36	//_____________________________________________________________________________
	37	AliZDCRawStream::AliZDCRawStream(AliRawReader* rawReader) :
	38	fRawReader(rawReader),
cc2abffd	39	fRawADC(0),
83347831	40	fADCModule(0),
cc2abffd	41	fADCValue(-1),
c0aec6f6	42	fADCGain(0),
c0aec6f6	43	fIsADCDataWord(kFALSE)
8309c1ab	44	{
abf60186	45	// Create an object to read ZDC raw digits
8309c1ab	46
362c9d61	47	fRawReader->Select("ZDC");
8309c1ab	48	}
	49
	50	//_____________________________________________________________________________
	51	AliZDCRawStream::AliZDCRawStream(const AliZDCRawStream& stream) :
c0aec6f6	52	TObject(stream)
8309c1ab	53	{
abf60186	54	// Copy constructor
c0aec6f6	55	fRawADC = stream.GetADCRaw();
	56	for(Int_t j=0; j<2; j++) fSector[j] = stream.GetSector(j);
	57	fADCModule = stream.GetADCModule();
	58	fADCValue = stream.GetADCValue();
	59	fADCGain = stream.GetADCGain();
ea628de7	60	fIsADCDataWord = stream.IsADCDataWord();
c0aec6f6	61
8309c1ab	62	}
	63
	64	//_____________________________________________________________________________
	65	AliZDCRawStream& AliZDCRawStream::operator = (const AliZDCRawStream&
	66	/* stream */)
	67	{
abf60186	68	// Assignment operator
8309c1ab	69	Fatal("operator =", "assignment operator not implemented");
	70	return *this;
	71	}
	72
	73	//_____________________________________________________________________________
	74	AliZDCRawStream::~AliZDCRawStream()
	75	{
abf60186	76	// Destructor
8309c1ab	77
	78	}
	79
	80
	81	//_____________________________________________________________________________
	82	Bool_t AliZDCRawStream::Next()
	83	{
abf60186	84	// Read the next raw digit
abf60186	85	// Returns kFALSE if there is no digit left
8309c1ab	86
abf60186	87	if(!fRawReader->ReadNextInt((UInt_t&) fRawADC)) return kFALSE;
8309c1ab	88	fIsADCDataWord = kFALSE;
8309c1ab	89
6006df88	90	//
1069e28d	91	// --- DARC header
	92	if((fRawADC == 0xe52b6300) \|\| (fRawADC == 0xe52c0300) \|\| (fRawADC == 0xffffffff) \|\|
	93	(fRawADC == 0xdeadface) \|\| (fRawADC == 0xdeadbeef)){
	94	//printf(" This is a DARC header!!!\n");
abf60186	95	}
1069e28d	96	// --- End of data
	97	else if(fRawADC == 0xcafefade){
	98	//printf(" End of data!\n");
	99	}
	100	// --- ADC buffer
6006df88	101	else{
1069e28d	102	if((fRawADC & 0x6000000) == 0x6000000){ // Not valid datum
1069e28d	103	//printf(" AliZDCRawStream -> Not valid datum in ADC module!!! %d\n",fADCModule);
6006df88	104	}
1069e28d	105	else if((fRawADC & 0x4000000) == 0x4000000){ // ADC EOB
1069e28d	106	//printf(" AliZDCRawStream -> ADC %d End Of Block - Event no. %d\n\n",fADCModule, (fRawADC & 0xffffff));
6006df88	107	fSector[0] = fSector[1] = 99;
6006df88	108	}
1069e28d	109	else if((fRawADC & 0x2000000) == 0x2000000){ // ADC Header
	110	printf(" fRawADC %x\n",fRawADC);
	111	// Reading the GEO address to determine ADC module
	112	fADCModule = (fRawADC & 0xf8000000) >> 27;
	113	fADCModule ++;
	114	//printf(" AliZDCRawStream -> HEADER: ADC mod. %d contains %d data words \n",fADCModule,((fRawADC & 0x3f00) >> 8));
6006df88	115	}
1069e28d	116	else{ // ADC data word
6006df88	117	fIsADCDataWord = kTRUE;
1069e28d	118	//printf(" \t \t ADC Data Word");
1069e28d	119	//
6006df88	120	if(!(fRawADC & 0x1000) && !(fRawADC & 0x2000)){ // Valid ADC data
	121	fADCGain = (fRawADC & 0x10000) >> 16;
	122	fADCValue = (fRawADC & 0xfff);
	123	//
	124	Int_t vADCChannel = (fRawADC & 0x1e0000) >> 17;
	125	if(fADCModule==1 \|\| fADCModule==3){ //1st & 3rd ADC modules
	126	if(vADCChannel >= 0 && vADCChannel <= 4){
	127	fSector[0] = 1; // ZN1
	128	fSector[1] = vADCChannel;
	129	}
	130	else if(vADCChannel >= 8 && vADCChannel <= 12){
	131	fSector[0] = 2; // ZP1
	132	fSector[1] = vADCChannel-8;
	133	}
	134	else if(vADCChannel == 5 \|\| vADCChannel == 13){
	135	fSector[0] = 3; // ZEM 1,2
	136	fSector[1] = ((vADCChannel-5)/8)+1;
	137	}
83347831	138	}
6006df88	139	else if(fADCModule==2 \|\| fADCModule==4){ //2nd & 4rth ADC modules
	140	if(vADCChannel >= 0 && vADCChannel <= 4){
	141	fSector[0] = 4; // ZN2
83347831	142	fSector[1] = vADCChannel;
6006df88	143	}
	144	else if(vADCChannel >= 8 && vADCChannel <= 12){
	145	fSector[0] = 5; // ZP2
	146	fSector[1] = vADCChannel-8;
	147	}
	148	else if(vADCChannel == 5 \|\| vADCChannel == 13){
	149	fSector[0] = (vADCChannel-5)*3/8+1; // PM Ref 1,2
	150	fSector[1] = 5;
	151	}
83347831	152	}
6006df88	153	else{
1069e28d	154	AliWarning(" AliZDCRawStream -> No valid ADC module\n");
6006df88	155	fRawReader->AddMajorErrorLog(kInvalidADCModule);
6006df88	156	}
1069e28d	157	//printf(" ADC %d ch %d range %d -> det %d quad %d value %x\n",
1069e28d	158	// fADCModule, vADCChannel, fADCGain, fSector[0], fSector[1], fADCValue);//Chiara debugging
6006df88	159
1069e28d	160	}// Valid ADC data
	161	else if(fRawADC & 0x1000){
	162	//printf(" ADC %d ch %d range %d overflow\n",fADCModule, (fRawADC & 0x1e0000) >> 17, fADCGain); // Overflow
6006df88	163	}
1069e28d	164	else if(fRawADC & 0x2000){
	165	//printf(" ADC %d ch %d range %d underflow\n",fADCModule, (fRawADC & 0x1e0000) >> 17, fADCGain); // Underflow
	166	}
	167	}// ADC word
6006df88	168	}//Not DARC Header
83347831	169
8309c1ab	170	return kTRUE;
8309c1ab	171	}