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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 | // Class to read ADC values from a AliRawReader object. | |
21 | // | |
22 | // This class uses the AliFMDRawStreamer class to read the ALTRO | |
23 | // formatted data. | |
24 | // | |
25 | // +-------+ | |
26 | // | TTask | | |
27 | // +-------+ | |
28 | // ^ | |
29 | // | | |
30 | // +-----------------+ <<references>> +--------------+ | |
31 | // | AliFMDRawReader |<>----------------| AliRawReader | | |
32 | // +-----------------+ +--------------+ | |
33 | // | ^ | |
34 | // | <<uses>> | | |
35 | // V | | |
36 | // +-----------------+ <<uses>> | | |
37 | // | AliFMDRawStream |------------------------+ | |
38 | // +-----------------+ | |
39 | // | | |
40 | // V | |
41 | // +----------------+ | |
42 | // | AliAltroStream | | |
43 | // +----------------+ | |
44 | // | |
45 | #include <AliLog.h> // ALILOG_H | |
46 | #include "AliFMDParameters.h" // ALIFMDPARAMETERS_H | |
47 | #include "AliFMDDigit.h" // ALIFMDDIGIT_H | |
48 | #include "AliFMDRawStream.h" // ALIFMDRAWSTREAM_H | |
49 | #include "AliRawReader.h" // ALIRAWREADER_H | |
50 | #include "AliFMDRawReader.h" // ALIFMDRAWREADER_H | |
51 | #include <TArrayI.h> // ROOT_TArrayI | |
52 | #include <TTree.h> // ROOT_TTree | |
53 | #include <TClonesArray.h> // ROOT_TClonesArray | |
54 | ||
55 | //____________________________________________________________________ | |
56 | ClassImp(AliFMDRawReader) | |
57 | #if 0 | |
58 | ; // This is here to keep Emacs for indenting the next line | |
59 | #endif | |
60 | ||
61 | //____________________________________________________________________ | |
62 | AliFMDRawReader::AliFMDRawReader(AliRawReader* reader, TTree* tree) | |
63 | : TTask("FMDRawReader", "Reader of Raw ADC values from the FMD"), | |
64 | fTree(tree), | |
65 | fReader(reader), | |
66 | fSampleRate(1) | |
67 | { | |
68 | // Default CTOR | |
69 | } | |
70 | ||
71 | ||
72 | //____________________________________________________________________ | |
73 | void | |
74 | AliFMDRawReader::Exec(Option_t*) | |
75 | { | |
76 | // Read raw data into the digits array | |
77 | if (!fReader->ReadHeader()) { | |
78 | Error("ReadAdcs", "Couldn't read header"); | |
79 | return; | |
80 | } | |
81 | ||
82 | Int_t n = 0; | |
83 | TClonesArray* array = new TClonesArray("AliFMDDigit"); | |
84 | fTree->Branch("FMD", &array); | |
85 | ||
86 | // Get sample rate | |
87 | AliFMDParameters* pars = AliFMDParameters::Instance(); | |
88 | fSampleRate = pars->GetSampleRate(AliFMDParameters::kBaseDDL); | |
89 | ||
90 | // Use AliAltroRawStream to read the ALTRO format. No need to | |
91 | // reinvent the wheel :-) | |
92 | AliFMDRawStream input(fReader, fSampleRate); | |
93 | // Select FMD DDL's | |
94 | fReader->Select(AliFMDParameters::kBaseDDL); | |
95 | ||
96 | Int_t oldDDL = -1; | |
97 | Int_t count = 0; | |
98 | UShort_t detector = 1; // Must be one here | |
99 | UShort_t oldDetector = 0; | |
100 | Bool_t next = kTRUE; | |
101 | ||
102 | // local Cache | |
103 | TArrayI counts(10); | |
104 | counts.Reset(-1); | |
105 | ||
106 | // Loop over data in file | |
107 | while (next) { | |
108 | next = input.Next(); | |
109 | ||
110 | count++; | |
111 | Int_t ddl = fReader->GetDDLID(); | |
112 | if (ddl != oldDDL || input.IsNewStrip() || !next) { | |
113 | // Make a new digit, if we have some data (oldDetector == 0, | |
114 | // means that we haven't really read anything yet - that is, | |
115 | // it's the first time we get here). | |
116 | if (oldDetector > 0) { | |
117 | // Got a new strip. | |
118 | AliDebug(10, Form("Add a new strip: FMD%d%c[%2d,%3d] " | |
119 | "(current: FMD%d%c[%2d,%3d])", | |
120 | oldDetector, input.PrevRing(), | |
121 | input.PrevSector() , input.PrevStrip(), | |
122 | detector , input.Ring(), input.Sector(), | |
123 | input.Strip())); | |
124 | new ((*array)[n]) AliFMDDigit(oldDetector, | |
125 | input.PrevRing(), | |
126 | input.PrevSector(), | |
127 | input.PrevStrip(), | |
128 | counts[0], counts[1], counts[2]); | |
129 | n++; | |
130 | #if 0 | |
131 | AliFMDDigit* digit = | |
132 | static_cast<AliFMDDigit*>(fFMD->Digits()-> | |
133 | UncheckedAt(fFMD->GetNdigits()-1)); | |
134 | #endif | |
135 | } | |
136 | ||
137 | if (!next) { | |
138 | AliDebug(10, Form("Read %d channels for FMD%d", | |
139 | count + 1, detector)); | |
140 | break; | |
141 | } | |
142 | ||
143 | ||
144 | // If we got a new DDL, it means we have a new detector. | |
145 | if (ddl != oldDDL) { | |
146 | if (detector != 0) | |
147 | AliDebug(10, Form("Read %d channels for FMD%d", | |
148 | count + 1, detector)); | |
149 | // Reset counts, and update the DDL cache | |
150 | count = 0; | |
151 | oldDDL = ddl; | |
152 | // Check that we're processing a FMD detector | |
153 | Int_t detId = fReader->GetDetectorID(); | |
154 | if (detId != (AliFMDParameters::kBaseDDL >> 8)) { | |
155 | Error("ReadAdcs", "Detector ID %d != %d", | |
156 | detId, (AliFMDParameters::kBaseDDL >> 8)); | |
157 | break; | |
158 | } | |
159 | // Figure out what detector we're deling with | |
160 | oldDetector = detector; | |
161 | switch (ddl) { | |
162 | case 0: detector = 1; break; | |
163 | case 1: detector = 2; break; | |
164 | case 2: detector = 3; break; | |
165 | default: | |
166 | Error("ReadAdcs", "Unknown DDL 0x%x for FMD", ddl); | |
167 | return; | |
168 | } | |
169 | AliDebug(10, Form("Reading ADCs for 0x%x - That is FMD%d", | |
170 | fReader->GetEquipmentId(), detector)); | |
171 | } | |
172 | counts.Reset(-1); | |
173 | } | |
174 | ||
175 | counts[input.Sample()] = input.Count(); | |
176 | ||
177 | AliDebug(10, Form("ADC of FMD%d%c[%2d,%3d] += %d", | |
178 | detector, input.Ring(), input.Sector(), | |
179 | input.Strip(), input.Count())); | |
180 | oldDetector = detector; | |
181 | } | |
182 | fTree->Fill(); | |
183 | return; | |
184 | ||
185 | } | |
186 | ||
187 | //____________________________________________________________________ | |
188 | // | |
189 | // EOF | |
190 | // |