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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | /// | |
20 | /// This class provides access to TPC digits in raw data. | |
21 | /// | |
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. | |
26 | /// | |
27 | /////////////////////////////////////////////////////////////////////////////// | |
28 | ||
29 | #include <TSystem.h> | |
30 | ||
31 | #include "AliTPCRawStream.h" | |
32 | #include "AliRawReader.h" | |
33 | #include "AliLog.h" | |
34 | #include "AliTPCAltroMapping.h" | |
35 | ||
36 | ClassImp(AliTPCRawStream) | |
37 | ||
38 | //_____________________________________________________________________________ | |
39 | AliTPCRawStream::AliTPCRawStream(AliRawReader* rawReader, AliAltroMapping **mapping) : | |
40 | AliAltroRawStream(rawReader), | |
41 | fSector(-1), | |
42 | fPrevSector(-1), | |
43 | fRow(-1), | |
44 | fPrevRow(-1), | |
45 | fPad(-1), | |
46 | fPrevPad(-1), | |
47 | fIsMapOwner(kFALSE) | |
48 | { | |
49 | // create an object to read TPC raw digits | |
50 | ||
51 | SelectRawData("TPC"); | |
52 | ||
53 | if (mapping == NULL) { | |
54 | TString path = gSystem->Getenv("ALICE_ROOT"); | |
55 | path += "/TPC/mapping/Patch"; | |
56 | TString path2; | |
57 | for(Int_t i = 0; i < 6; i++) { | |
58 | path2 = path; | |
59 | path2 += i; | |
60 | path2 += ".data"; | |
61 | fMapping[i] = new AliTPCAltroMapping(path2.Data()); | |
62 | } | |
63 | fIsMapOwner = kTRUE; | |
64 | } | |
65 | else { | |
66 | for(Int_t i = 0; i < 6; i++) | |
67 | fMapping[i] = mapping[i]; | |
68 | } | |
69 | ||
70 | } | |
71 | ||
72 | //_____________________________________________________________________________ | |
73 | AliTPCRawStream::AliTPCRawStream(const AliTPCRawStream& stream) : | |
74 | AliAltroRawStream(stream), | |
75 | fSector(stream.fSector), | |
76 | fPrevSector(stream.fPrevSector), | |
77 | fRow(stream.fRow), | |
78 | fPrevRow(stream.fPrevRow), | |
79 | fPad(stream.fPad), | |
80 | fPrevPad(stream.fPrevPad), | |
81 | fIsMapOwner(kFALSE) | |
82 | { | |
83 | for(Int_t i = 0; i < 6; i++) fMapping[i] = stream.fMapping[i]; | |
84 | } | |
85 | ||
86 | //_____________________________________________________________________________ | |
87 | AliTPCRawStream& AliTPCRawStream::operator = (const AliTPCRawStream& stream) | |
88 | { | |
89 | if(&stream == this) return *this; | |
90 | ||
91 | ((AliAltroRawStream *)this)->operator=(stream); | |
92 | ||
93 | fSector = stream.fSector; | |
94 | fPrevSector = stream.fPrevSector; | |
95 | fRow = stream.fRow; | |
96 | fPrevRow = stream.fPrevRow; | |
97 | fPad = stream.fPad; | |
98 | fPrevPad = stream.fPrevPad; | |
99 | fIsMapOwner = kFALSE; | |
100 | ||
101 | for(Int_t i = 0; i < 6; i++) fMapping[i] = stream.fMapping[i]; | |
102 | ||
103 | return *this; | |
104 | } | |
105 | ||
106 | //_____________________________________________________________________________ | |
107 | AliTPCRawStream::~AliTPCRawStream() | |
108 | { | |
109 | // destructor | |
110 | ||
111 | if (fIsMapOwner) | |
112 | for(Int_t i = 0; i < 6; i++) delete fMapping[i]; | |
113 | } | |
114 | ||
115 | //_____________________________________________________________________________ | |
116 | void AliTPCRawStream::Reset() | |
117 | { | |
118 | // reset tpc raw stream params | |
119 | AliAltroRawStream::Reset(); | |
120 | fSector = fPrevSector = fRow = fPrevRow = fPad = fPrevPad = -1; | |
121 | } | |
122 | ||
123 | //_____________________________________________________________________________ | |
124 | Bool_t AliTPCRawStream::Next() | |
125 | { | |
126 | // Read next TPC signal | |
127 | // Apply the TPC altro mapping to get | |
128 | // the sector,pad-row and pad indeces | |
129 | fPrevSector = fSector; | |
130 | fPrevRow = fRow; | |
131 | fPrevPad = fPad; | |
132 | if (AliAltroRawStream::Next()) { | |
133 | if (IsNewHWAddress()) | |
134 | ApplyAltroMapping(); | |
135 | return kTRUE; | |
136 | } | |
137 | else | |
138 | return kFALSE; | |
139 | } | |
140 | ||
141 | //_____________________________________________________________________________ | |
142 | void AliTPCRawStream::ApplyAltroMapping() | |
143 | { | |
144 | // Take the DDL index, load | |
145 | // the corresponding altro mapping | |
146 | // object and fill the sector,row and pad indeces | |
147 | Int_t ddlNumber = GetDDLNumber(); | |
148 | Int_t patchIndex; | |
149 | if (ddlNumber < 72) { | |
150 | fSector = ddlNumber / 2; | |
151 | patchIndex = ddlNumber % 2; | |
152 | } | |
153 | else { | |
154 | fSector = (ddlNumber - 72) / 4 + 36; | |
155 | patchIndex = (ddlNumber - 72) % 4 + 2; | |
156 | } | |
157 | ||
158 | Short_t hwAddress = GetHWAddress(); | |
159 | fRow = fMapping[patchIndex]->GetPadRow(hwAddress); | |
160 | fPad = fMapping[patchIndex]->GetPad(hwAddress); | |
161 | ||
162 | if ((fRow < 0) || (fPad < 0)) | |
163 | AddMappingErrorLog(Form("hw=%d",hwAddress)); | |
164 | } |