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 TPC digits in raw data.
22 /// It loops over all TPC 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 /// Several getters provide information about the current digit.
27 ///////////////////////////////////////////////////////////////////////////////
31 #include "AliTPCRawStream.h"
32 #include "AliRawReader.h"
34 #include "AliTPCAltroMapping.h"
36 ClassImp(AliTPCRawStream)
38 //_____________________________________________________________________________
39 AliTPCRawStream::AliTPCRawStream(AliRawReader* rawReader) :
40 AliAltroRawStream(rawReader),
49 // create an object to read TPC raw digits
53 TString path = gSystem->Getenv("ALICE_ROOT");
54 path += "/TPC/mapping/Patch";
56 for(Int_t i = 0; i < 6; i++) {
60 fMapping[i] = new AliTPCAltroMapping(path2.Data());
63 fNoAltroMapping = kFALSE;
66 //_____________________________________________________________________________
67 AliTPCRawStream::AliTPCRawStream(const AliTPCRawStream& stream) :
68 AliAltroRawStream(stream),
69 fSector(stream.fSector),
70 fPrevSector(stream.fPrevSector),
72 fPrevRow(stream.fPrevRow),
74 fPrevPad(stream.fPrevPad),
77 for(Int_t i = 0; i < 6; i++) fMapping[i] = stream.fMapping[i];
80 //_____________________________________________________________________________
81 AliTPCRawStream& AliTPCRawStream::operator = (const AliTPCRawStream& stream)
83 if(&stream == this) return *this;
85 ((AliAltroRawStream *)this)->operator=(stream);
87 fSector = stream.fSector;
88 fPrevSector = stream.fPrevSector;
90 fPrevRow = stream.fPrevRow;
92 fPrevPad = stream.fPrevPad;
95 for(Int_t i = 0; i < 6; i++) fMapping[i] = stream.fMapping[i];
100 //_____________________________________________________________________________
101 AliTPCRawStream::~AliTPCRawStream()
106 for(Int_t i = 0; i < 6; i++) delete fMapping[i];
109 //_____________________________________________________________________________
110 void AliTPCRawStream::Reset()
112 // reset tpc raw stream params
113 AliAltroRawStream::Reset();
114 fSector = fPrevSector = fRow = fPrevRow = fPad = fPrevPad = -1;
117 //_____________________________________________________________________________
118 Bool_t AliTPCRawStream::Next()
120 // Read next TPC signal
121 // Apply the TPC altro mapping to get
122 // the sector,pad-row and pad indeces
123 fPrevSector = fSector;
126 if (AliAltroRawStream::Next()) {
127 if (IsNewHWAddress())
135 //_____________________________________________________________________________
136 void AliTPCRawStream::ApplyAltroMapping()
138 // Take the DDL index, load
139 // the corresponding altro mapping
140 // object and fill the sector,row and pad indeces
141 Int_t ddlNumber = GetDDLNumber();
143 if (ddlNumber < 72) {
144 fSector = ddlNumber / 2;
145 patchIndex = ddlNumber % 2;
148 fSector = (ddlNumber - 72) / 4 + 36;
149 patchIndex = (ddlNumber - 72) % 4 + 2;
152 Short_t hwAddress = GetHWAddress();
153 fRow = fMapping[patchIndex]->GetPadRow(hwAddress);
154 fPad = fMapping[patchIndex]->GetPad(hwAddress);
156 if ((fRow < 0) || (fPad < 0))
157 AddMappingErrorLog(Form("hw=%d",hwAddress));