1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 /// This class provides access to ZDC digits in raw data.
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.
27 ///////////////////////////////////////////////////////////////////////////////
29 #include "AliZDCRawStream.h"
30 #include "AliRawReader.h"
33 ClassImp(AliZDCRawStream)
36 //_____________________________________________________________________________
37 AliZDCRawStream::AliZDCRawStream(AliRawReader* rawReader) :
38 fRawReader(rawReader),
44 // Create an object to read ZDC raw digits
46 fRawReader->Select("ZDC");
49 //_____________________________________________________________________________
50 AliZDCRawStream::AliZDCRawStream(const AliZDCRawStream& stream) :
55 Fatal("AliZDCRawStream", "copy constructor not implemented");
58 //_____________________________________________________________________________
59 AliZDCRawStream& AliZDCRawStream::operator = (const AliZDCRawStream&
62 // Assignment operator
63 Fatal("operator =", "assignment operator not implemented");
67 //_____________________________________________________________________________
68 AliZDCRawStream::~AliZDCRawStream()
75 //_____________________________________________________________________________
76 Bool_t AliZDCRawStream::Next()
78 // Read the next raw digit
79 // Returns kFALSE if there is no digit left
81 if(!fRawReader->ReadNextInt((UInt_t&) fRawADC)) return kFALSE;
82 fIsADCDataWord = kFALSE;
85 if(fRawADC & 0x2000000){
86 if(((fRawADC & 0x3f00) >> 8) == 24) fADCModule=1; //fRawADC=2001800 -> 24 words -> 1st ADC module
87 else if(((fRawADC & 0x3f00) >> 8) == 20) fADCModule=2; //fRawADC=2001400 -> 20 words -> 2nd ADC module
89 //printf(" **** This is the ADC Header - %d data words will follow \n",((fRawADC & 0x3f00) >> 8));
90 //printf(" fRawADC = %x, fADCModule = %d\n",fRawADC, fADCModule);
92 else if((fRawADC & 0x4000000) || (fRawADC & 0x3000000)){
95 /*if(fRawADC & 0x4000000){
96 printf(" **** This is the ADC End Of Block - event number %d\n",(fRawADC & 0xffffff));
101 /*printf("This is an ADC Data Word -> channel %d range %d\n",(fRawADC & 0x1e0000) >> 17, (fRawADC & 0x10000) >> 16);
102 if(fRawADC & 0x1000) printf("ZDCRawStream -> ADC overflow\n");
103 if(fRawADC & 0x2000) printf("ZDCRawStream -> ADC underflow\n");*/
105 fADCGain = (fRawADC & 0x10000) >> 16;
106 fADCValue = (fRawADC & 0xfff);
107 fIsADCDataWord = kTRUE;
109 Int_t vADCChannel = (fRawADC & 0x1e0000) >> 17;
110 if(fADCModule==1){ //1st ADC module
111 if(vADCChannel >= 0 && vADCChannel <= 4){
113 fSector[1] = vADCChannel;
115 else if(vADCChannel >= 8 && vADCChannel <= 12){
117 fSector[1] = vADCChannel-8;
119 else if(vADCChannel == 5 || vADCChannel == 13){
121 fSector[1] = ((vADCChannel-5)/8)+1;
124 else if(fADCModule==2){ //2nd ADC module
125 if(vADCChannel >= 0 && vADCChannel <= 4){
127 fSector[1] = vADCChannel;
129 else if(vADCChannel >= 8 && vADCChannel <= 12){
131 fSector[1] = vADCChannel-8;
135 AliWarning("No valid ADC module!");
136 fRawReader->AddMajorErrorLog(kInvalidADCModule);