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
44 fRawReader->Select(kDDLOffset / 0x100);
47 //_____________________________________________________________________________
48 AliZDCRawStream::AliZDCRawStream(const AliZDCRawStream& stream) :
54 Fatal("AliZDCRawStream", "copy constructor not implemented");
57 //_____________________________________________________________________________
58 AliZDCRawStream& AliZDCRawStream::operator = (const AliZDCRawStream&
61 // 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 //printf("This is the ADC Header\n");
87 //printf("%d data words will follow \n",2*((fRawADC & 0x3f00) >> 8));
90 else if (fRawADC & 0x4000000) {
91 //printf("This is the ADC End Of Block\n");
92 //printf("This was event number %d\n",(fRawADC & 0xffffff));
97 //printf("This is an ADC Data Word\n");
98 //printf("Channel %d range %d\n",(fRawADC & 0x1e0000) >> 17, (fRawADC & 0x10000) >> 16);
99 //if(fRawADC & 0x1000) printf("Data = overflow\n");
100 fADCGain = (fRawADC & 0x10000) >> 16;
101 fADCValue = (fRawADC & 0xfff);
102 fIsADCDataWord = kTRUE;
104 Int_t vADCChannel = (fRawADC & 0x1e0000) >> 17;
105 if (vADCChannel >= 0 && vADCChannel <= 4) {
107 fSector[1] = vADCChannel;
108 } else if (vADCChannel >= 8 && vADCChannel <= 12) {
110 fSector[1] = vADCChannel-8;
111 } else if (vADCChannel == 5 || vADCChannel == 13){
113 fSector[1] = (vADCChannel-5)/8;