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"
32 ClassImp(AliZDCRawStream)
35 //_____________________________________________________________________________
36 AliZDCRawStream::AliZDCRawStream(AliRawReader* rawReader) :
37 fRawReader(rawReader),
40 // Create an object to read ZDC raw digits
45 fRawReader->Select("ZDC");
48 //_____________________________________________________________________________
49 AliZDCRawStream::AliZDCRawStream(const AliZDCRawStream& stream) :
54 Fatal("AliZDCRawStream", "copy constructor not implemented");
57 //_____________________________________________________________________________
58 AliZDCRawStream& AliZDCRawStream::operator = (const AliZDCRawStream&
61 // Assignment operator
62 Fatal("operator =", "assignment operator not implemented");
66 //_____________________________________________________________________________
67 AliZDCRawStream::~AliZDCRawStream()
74 //_____________________________________________________________________________
75 Bool_t AliZDCRawStream::Next()
77 // Read the next raw digit
78 // Returns kFALSE if there is no digit left
80 if(!fRawReader->ReadNextInt((UInt_t&) fRawADC)) return kFALSE;
81 fIsADCDataWord = kFALSE;
84 if(fRawADC & 0x2000000){
85 if(((fRawADC & 0x3f00) >> 8) == 24) fADCModule=1; //fRawADC=2001800 -> 24 words -> 1st ADC module
86 else if(((fRawADC & 0x3f00) >> 8) == 20) fADCModule=2; //fRawADC=2001400 -> 20 words -> 2nd ADC module
88 //printf(" **** This is the ADC Header - %d data words will follow \n",((fRawADC & 0x3f00) >> 8));
89 //printf(" fRawADC = %x, fADCModule = %d\n",fRawADC, fADCModule);
91 else if((fRawADC & 0x4000000) || (fRawADC & 0x3000000)){
94 /*if(fRawADC & 0x4000000){
95 printf(" **** This is the ADC End Of Block - event number %d\n",(fRawADC & 0xffffff));
100 //printf("This is an ADC Data Word -> channel %d range %d\n",(fRawADC & 0x1e0000) >> 17, (fRawADC & 0x10000) >> 16);
101 if(fRawADC & 0x1000) printf("Data overflow\n");
102 if(fRawADC & 0x2000) printf("Data underflow\n");
104 fADCGain = (fRawADC & 0x10000) >> 16;
105 fADCValue = (fRawADC & 0xfff);
106 fIsADCDataWord = kTRUE;
108 Int_t vADCChannel = (fRawADC & 0x1e0000) >> 17;
109 if(fADCModule==1){ //1st ADC module
110 if(vADCChannel >= 0 && vADCChannel <= 4){
112 fSector[1] = vADCChannel;
114 else if(vADCChannel >= 8 && vADCChannel <= 12){
116 fSector[1] = vADCChannel-8;
118 else if(vADCChannel == 5 || vADCChannel == 13){
120 fSector[1] = ((vADCChannel-5)/8)+1;
123 else if(fADCModule==2){ //2nd ADC module
124 if(vADCChannel >= 0 && vADCChannel <= 4){
126 fSector[1] = vADCChannel;
128 else if(vADCChannel >= 8 && vADCChannel <= 12){
130 fSector[1] = vADCChannel-8;
133 else printf("\t AliZDCRawStreamer -> ERROR! No valid ADC module!\n");