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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), | |
46 | fPrevPad(-1) | |
b27ca38e | 47 | { |
48 | // create an object to read TPC raw digits | |
49 | ||
362c9d61 | 50 | SelectRawData("TPC"); |
b27ca38e | 51 | |
52 | TString path = gSystem->Getenv("ALICE_ROOT"); | |
53 | path += "/TPC/mapping/Patch"; | |
54 | TString path2; | |
55 | for(Int_t i = 0; i < 6; i++) { | |
56 | path2 = path; | |
57 | path2 += i; | |
58 | path2 += ".data"; | |
59 | fMapping[i] = new AliTPCAltroMapping(path2.Data()); | |
60 | } | |
61 | ||
62 | fNoAltroMapping = kFALSE; | |
63 | } | |
64 | ||
65 | //_____________________________________________________________________________ | |
66 | AliTPCRawStream::AliTPCRawStream(const AliTPCRawStream& stream) : | |
041f6df4 | 67 | AliAltroRawStream(stream), |
68 | fSector(-1), | |
69 | fPrevSector(-1), | |
70 | fRow(-1), | |
71 | fPrevRow(-1), | |
72 | fPad(-1), | |
73 | fPrevPad(-1) | |
b27ca38e | 74 | { |
75 | Fatal("AliTPCRawStream", "copy constructor not implemented"); | |
76 | } | |
77 | ||
78 | //_____________________________________________________________________________ | |
79 | AliTPCRawStream& AliTPCRawStream::operator = (const AliTPCRawStream& | |
80 | /* stream */) | |
81 | { | |
82 | Fatal("operator =", "assignment operator not implemented"); | |
83 | return *this; | |
84 | } | |
85 | ||
86 | //_____________________________________________________________________________ | |
87 | AliTPCRawStream::~AliTPCRawStream() | |
88 | { | |
89 | // destructor | |
90 | ||
91 | for(Int_t i = 0; i < 6; i++) delete fMapping[i]; | |
92 | } | |
93 | ||
94 | //_____________________________________________________________________________ | |
95 | void AliTPCRawStream::Reset() | |
96 | { | |
97 | // reset tpc raw stream params | |
98 | AliAltroRawStream::Reset(); | |
041f6df4 | 99 | fSector = fPrevSector = fRow = fPrevRow = fPad = fPrevPad = -1; |
100 | } | |
101 | ||
102 | //_____________________________________________________________________________ | |
103 | Bool_t AliTPCRawStream::Next() | |
104 | { | |
105 | // Read next TPC signal | |
106 | // Apply the TPC altro mapping to get | |
107 | // the sector,pad-row and pad indeces | |
108 | fPrevSector = fSector; | |
109 | fPrevRow = fRow; | |
110 | fPrevPad = fPad; | |
111 | if (AliAltroRawStream::Next()) { | |
112 | if (IsNewHWAddress()) | |
113 | ApplyAltroMapping(); | |
114 | return kTRUE; | |
115 | } | |
116 | else | |
117 | return kFALSE; | |
b27ca38e | 118 | } |
119 | ||
120 | //_____________________________________________________________________________ | |
121 | void AliTPCRawStream::ApplyAltroMapping() | |
122 | { | |
041f6df4 | 123 | // Take the DDL index, load |
b27ca38e | 124 | // the corresponding altro mapping |
041f6df4 | 125 | // object and fill the sector,row and pad indeces |
126 | Int_t ddlNumber = GetDDLNumber(); | |
b27ca38e | 127 | Int_t patchIndex; |
128 | if (ddlNumber < 72) { | |
129 | fSector = ddlNumber / 2; | |
130 | patchIndex = ddlNumber % 2; | |
131 | } | |
132 | else { | |
133 | fSector = (ddlNumber - 72) / 4 + 36; | |
134 | patchIndex = (ddlNumber - 72) % 4 + 2; | |
135 | } | |
136 | ||
041f6df4 | 137 | Short_t hwAddress = GetHWAddress(); |
138 | fRow = fMapping[patchIndex]->GetPadRow(hwAddress); | |
139 | fPad = fMapping[patchIndex]->GetPad(hwAddress); | |
b27ca38e | 140 | |
141 | } |