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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-2003, 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 | //////////////////////////////////////////////////////////// | |
17 | //This class contains the methods to create raw data // | |
18 | //for CTP (trigger). The CTP data format is taken as // | |
19 | //described in the Trigger TDR - pages 134 and 135. // | |
20 | //The updated version of raw data is in: // | |
21 | //http://epweb2.ph.bham.ac.uk/user/krivda/alice/ctp/ctp_readout1.pdf// | |
22 | ////////////////////////////////////////////////////////// | |
23 | ||
24 | #include <TObject.h> | |
25 | #include <TString.h> | |
26 | #include <Riostream.h> | |
27 | #include "AliCTPRawData.h" | |
28 | #include "AliRunLoader.h" | |
29 | #include "AliCentralTrigger.h" | |
30 | #include "AliRawDataHeaderSim.h" | |
31 | #include "AliLog.h" | |
32 | #include "AliDAQ.h" | |
33 | #include "AliFstream.h" | |
34 | ||
35 | ClassImp(AliCTPRawData) | |
36 | //////////////////////////////////////////////////////////////////////////////////////// | |
37 | ||
38 | //______________________________________________________________________________ | |
39 | AliCTPRawData::AliCTPRawData() | |
40 | { | |
41 | // Default constructor | |
42 | } | |
43 | ||
44 | //______________________________________________________________________________ | |
45 | AliCTPRawData::AliCTPRawData(const AliCTPRawData &source): | |
46 | TObject(source) | |
47 | { | |
48 | // Copy Constructor | |
49 | } | |
50 | ||
51 | //______________________________________________________________________________ | |
52 | AliCTPRawData& AliCTPRawData::operator=(const AliCTPRawData &source) | |
53 | { | |
54 | // Assigment operator | |
55 | if(this==&source) return *this; | |
56 | ((TObject *)this)->operator=(source); | |
57 | ||
58 | return *this; | |
59 | } | |
60 | ||
61 | //______________________________________________________________________________ | |
62 | void AliCTPRawData::RawData() | |
63 | { | |
64 | // This method writes the CTP (trigger) | |
65 | // raw data in a DDL file | |
66 | ULong64_t l2class = 0; | |
67 | UChar_t l2cluster = 0; | |
68 | UInt_t l0input = 0; | |
69 | UInt_t l1input = 0; | |
70 | UShort_t l2input=0; | |
71 | AliInfo("Storing the CTP DDL raw data..."); | |
72 | AliRunLoader *runloader = AliRunLoader::Instance(); | |
73 | if (runloader) { | |
74 | if (!runloader->LoadTrigger()) { | |
75 | AliCentralTrigger *aCTP = runloader->GetTrigger(); | |
76 | if (AliDebugLevel() > 0) | |
77 | aCTP->Dump(); | |
78 | // First get the trigger mask | |
79 | l2class = aCTP->GetClassMask(); | |
80 | // Then get the detector cluster to be read out | |
81 | l2cluster = aCTP->GetClusterMask(); | |
82 | // Then get the input cluster mask | |
83 | l0input = aCTP->GetL0TriggerInputs(); | |
84 | l1input = aCTP->GetL1TriggerInputs(); | |
85 | l2input = aCTP->GetL2TriggerInputs(); | |
86 | } | |
87 | else | |
88 | AliWarning("No trigger can be loaded! Putting empty trigger class into the CTP raw data !"); | |
89 | } | |
90 | else | |
91 | AliError("No run loader is available! Putting empty trigger class into the CTP raw data !"); | |
92 | ||
93 | AliDebug(1,Form("CTP trigger mask = 0x%llx",l2class)); | |
94 | AliDebug(1,Form("CTP detector cluster = 0x%x",l2cluster)); | |
95 | ||
96 | char fileName[15]; | |
97 | strcpy(fileName,AliDAQ::DdlFileName("TRG",0)); | |
98 | AliInfo(Form("Storing CTP raw data in %s",fileName)); | |
99 | AliFstream* outfile; // logical name of the output file | |
100 | outfile = new AliFstream(fileName); | |
101 | ||
102 | // Writing CTP raw data here | |
103 | // The format is taken as in | |
104 | // dhttp://epweb2.ph.bham.ac.uk/user/krivda/alice/ctp/ctp_readout1.pdf | |
105 | ||
106 | // If not 0, from where?? | |
107 | UInt_t bunchCross = 0; | |
108 | UInt_t orbitId = 0; | |
109 | Bool_t esr = 0; // Enable Segmented Readout flag | |
110 | ||
111 | // First 3 words here - Bunch-crossing and orbit numbers | |
112 | UInt_t word = 0; | |
113 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
114 | word |= bunchCross & 0xFFF; | |
115 | AliDebug(1,Form("CTP word1 = 0x%x",word)); | |
116 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
117 | ||
118 | word = 0; | |
119 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
120 | word |= (orbitId >> 12) & 0xFFF; | |
121 | AliDebug(1,Form("CTP word2 = 0x%x",word)); | |
122 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
123 | word = 0; | |
124 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
125 | word |= orbitId & 0xFFF; | |
126 | AliDebug(1,Form("CTP word3 = 0x%x",word)); | |
127 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
128 | ||
129 | // Now the 4th word | |
130 | word = 0; | |
131 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
132 | word |= ((UInt_t)esr) << 10; | |
133 | word |= 0 << 8; // L2SwC - physics trigger | |
134 | word |= (l2cluster & 0x3F) << 2; // L2Cluster | |
135 | word |= (UInt_t)((l2class >> 48) & 0x3); | |
136 | AliDebug(1,Form("CTP word4 = 0x%x",word)); | |
137 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
138 | ||
139 | // Then the 4 words with the trigger classes | |
140 | word = 0; | |
141 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
142 | word |= (UInt_t)((l2class >> 36) & 0xFFF); | |
143 | AliDebug(1,Form("CTP word5 = 0x%x",word)); | |
144 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
145 | word = 0; | |
146 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
147 | word |= (UInt_t)((l2class >> 24) & 0xFFF); | |
148 | AliDebug(1,Form("CTP word6 = 0x%x",word)); | |
149 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
150 | word = 0; | |
151 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
152 | word |= (UInt_t)((l2class >> 12) & 0xFFF); | |
153 | AliDebug(1,Form("CTP word7 = 0x%x",word)); | |
154 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
155 | word = 0; | |
156 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
157 | word |= (UInt_t)(l2class & 0xFFF); | |
158 | AliDebug(1,Form("CTP word8 = 0x%x",word)); | |
159 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
160 | ||
161 | // The last 5 words with trigger inputs | |
162 | word = 0; | |
163 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
164 | word |= (UInt_t)((l0input >> 12) & 0xFFF); | |
165 | AliDebug(1,Form("CTP word9 = 0x%x",word)); | |
166 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
167 | word = 0; | |
168 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
169 | word |= (UInt_t)((l0input >> 0) & 0xFFF); | |
170 | AliDebug(1,Form("CTP word10 = 0x%x",word)); | |
171 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
172 | word = 0; | |
173 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
174 | word |= (UInt_t)((l1input >> 12) & 0xFFF); | |
175 | AliDebug(1,Form("CTP word11 = 0x%x",word)); | |
176 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
177 | word = 0; | |
178 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
179 | word |= (UInt_t)((l1input >> 0) & 0xFFF); | |
180 | AliDebug(1,Form("CTP word12 = 0x%x",word)); | |
181 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
182 | word = 0; | |
183 | word |= 0 << 15; // BlockID = 0 in case of CTP readout | |
184 | word |= (UInt_t)((l2input >> 0) & 0xFFF); | |
185 | AliDebug(1,Form("CTP word13 = 0x%x",word)); | |
186 | outfile->WriteBuffer((char*)(&word),sizeof(UInt_t)); | |
187 | ||
188 | delete outfile; | |
189 | ||
190 | return; | |
191 | } |