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),
48 // create an object to read TPC raw digits
52 TString path = gSystem->Getenv("ALICE_ROOT");
53 path += "/TPC/mapping/Patch";
55 for(Int_t i = 0; i < 6; i++) {
59 fMapping[i] = new AliTPCAltroMapping(path2.Data());
62 fNoAltroMapping = kFALSE;
65 //_____________________________________________________________________________
66 AliTPCRawStream::AliTPCRawStream(const AliTPCRawStream& stream) :
67 AliAltroRawStream(stream),
75 Fatal("AliTPCRawStream", "copy constructor not implemented");
78 //_____________________________________________________________________________
79 AliTPCRawStream& AliTPCRawStream::operator = (const AliTPCRawStream&
82 Fatal("operator =", "assignment operator not implemented");
86 //_____________________________________________________________________________
87 AliTPCRawStream::~AliTPCRawStream()
91 for(Int_t i = 0; i < 6; i++) delete fMapping[i];
94 //_____________________________________________________________________________
95 void AliTPCRawStream::Reset()
97 // reset tpc raw stream params
98 AliAltroRawStream::Reset();
99 fSector = fPrevSector = fRow = fPrevRow = fPad = fPrevPad = -1;
102 //_____________________________________________________________________________
103 Bool_t AliTPCRawStream::Next()
105 // Read next TPC signal
106 // Apply the TPC altro mapping to get
107 // the sector,pad-row and pad indeces
108 fPrevSector = fSector;
111 if (AliAltroRawStream::Next()) {
112 if (IsNewHWAddress())
120 //_____________________________________________________________________________
121 void AliTPCRawStream::ApplyAltroMapping()
123 // Take the DDL index, load
124 // the corresponding altro mapping
125 // object and fill the sector,row and pad indeces
126 Int_t ddlNumber = GetDDLNumber();
128 if (ddlNumber < 72) {
129 fSector = ddlNumber / 2;
130 patchIndex = ddlNumber % 2;
133 fSector = (ddlNumber - 72) / 4 + 36;
134 patchIndex = (ddlNumber - 72) % 4 + 2;
137 Short_t hwAddress = GetHWAddress();
138 fRow = fMapping[patchIndex]->GetPadRow(hwAddress);
139 fPad = fMapping[patchIndex]->GetPad(hwAddress);
141 if ((fRow < 0) || (fPad < 0))
142 AddMappingErrorLog(Form("hw=%d",hwAddress));