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b27ca38e | 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) : | |
041f6df4 | 40 | AliAltroRawStream(rawReader), |
41 | fSector(-1), | |
42 | fPrevSector(-1), | |
43 | fRow(-1), | |
44 | fPrevRow(-1), | |
45 | fPad(-1), | |
e7bee78b | 46 | fPrevPad(-1), |
47 | fIsMapOwner(kTRUE) | |
b27ca38e | 48 | { |
49 | // create an object to read TPC raw digits | |
50 | ||
362c9d61 | 51 | SelectRawData("TPC"); |
b27ca38e | 52 | |
53 | TString path = gSystem->Getenv("ALICE_ROOT"); | |
54 | path += "/TPC/mapping/Patch"; | |
55 | TString path2; | |
56 | for(Int_t i = 0; i < 6; i++) { | |
57 | path2 = path; | |
58 | path2 += i; | |
59 | path2 += ".data"; | |
60 | fMapping[i] = new AliTPCAltroMapping(path2.Data()); | |
61 | } | |
62 | ||
63 | fNoAltroMapping = kFALSE; | |
64 | } | |
65 | ||
66 | //_____________________________________________________________________________ | |
67 | AliTPCRawStream::AliTPCRawStream(const AliTPCRawStream& stream) : | |
041f6df4 | 68 | AliAltroRawStream(stream), |
e7bee78b | 69 | fSector(stream.fSector), |
70 | fPrevSector(stream.fPrevSector), | |
71 | fRow(stream.fRow), | |
72 | fPrevRow(stream.fPrevRow), | |
73 | fPad(stream.fPad), | |
74 | fPrevPad(stream.fPrevPad), | |
75 | fIsMapOwner(kFALSE) | |
b27ca38e | 76 | { |
e7bee78b | 77 | for(Int_t i = 0; i < 6; i++) fMapping[i] = stream.fMapping[i]; |
b27ca38e | 78 | } |
79 | ||
80 | //_____________________________________________________________________________ | |
e7bee78b | 81 | AliTPCRawStream& AliTPCRawStream::operator = (const AliTPCRawStream& stream) |
b27ca38e | 82 | { |
e7bee78b | 83 | if(&stream == this) return *this; |
84 | ||
85 | ((AliAltroRawStream *)this)->operator=(stream); | |
86 | ||
87 | fSector = stream.fSector; | |
88 | fPrevSector = stream.fPrevSector; | |
89 | fRow = stream.fRow; | |
90 | fPrevRow = stream.fPrevRow; | |
91 | fPad = stream.fPad; | |
92 | fPrevPad = stream.fPrevPad; | |
93 | fIsMapOwner = kFALSE; | |
94 | ||
95 | for(Int_t i = 0; i < 6; i++) fMapping[i] = stream.fMapping[i]; | |
96 | ||
b27ca38e | 97 | return *this; |
98 | } | |
99 | ||
100 | //_____________________________________________________________________________ | |
101 | AliTPCRawStream::~AliTPCRawStream() | |
102 | { | |
103 | // destructor | |
104 | ||
e7bee78b | 105 | if (fIsMapOwner) |
106 | for(Int_t i = 0; i < 6; i++) delete fMapping[i]; | |
b27ca38e | 107 | } |
108 | ||
109 | //_____________________________________________________________________________ | |
110 | void AliTPCRawStream::Reset() | |
111 | { | |
112 | // reset tpc raw stream params | |
113 | AliAltroRawStream::Reset(); | |
041f6df4 | 114 | fSector = fPrevSector = fRow = fPrevRow = fPad = fPrevPad = -1; |
115 | } | |
116 | ||
117 | //_____________________________________________________________________________ | |
118 | Bool_t AliTPCRawStream::Next() | |
119 | { | |
120 | // Read next TPC signal | |
121 | // Apply the TPC altro mapping to get | |
122 | // the sector,pad-row and pad indeces | |
123 | fPrevSector = fSector; | |
124 | fPrevRow = fRow; | |
125 | fPrevPad = fPad; | |
126 | if (AliAltroRawStream::Next()) { | |
127 | if (IsNewHWAddress()) | |
128 | ApplyAltroMapping(); | |
129 | return kTRUE; | |
130 | } | |
131 | else | |
132 | return kFALSE; | |
b27ca38e | 133 | } |
134 | ||
135 | //_____________________________________________________________________________ | |
136 | void AliTPCRawStream::ApplyAltroMapping() | |
137 | { | |
041f6df4 | 138 | // Take the DDL index, load |
b27ca38e | 139 | // the corresponding altro mapping |
041f6df4 | 140 | // object and fill the sector,row and pad indeces |
141 | Int_t ddlNumber = GetDDLNumber(); | |
b27ca38e | 142 | Int_t patchIndex; |
143 | if (ddlNumber < 72) { | |
144 | fSector = ddlNumber / 2; | |
145 | patchIndex = ddlNumber % 2; | |
146 | } | |
147 | else { | |
148 | fSector = (ddlNumber - 72) / 4 + 36; | |
149 | patchIndex = (ddlNumber - 72) % 4 + 2; | |
150 | } | |
151 | ||
041f6df4 | 152 | Short_t hwAddress = GetHWAddress(); |
153 | fRow = fMapping[patchIndex]->GetPadRow(hwAddress); | |
154 | fPad = fMapping[patchIndex]->GetPad(hwAddress); | |
b27ca38e | 155 | |
481367a2 | 156 | if ((fRow < 0) || (fPad < 0)) |
157 | AddMappingErrorLog(Form("hw=%d",hwAddress)); | |
b27ca38e | 158 | } |