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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 | /* $Id$ */ | |
16 | ||
17 | // Storing digits in a binary file | |
18 | // according to the DDL mapping | |
19 | // To be used in Alice Data Challenges | |
20 | // This class is used by AliVZERODDL.C macro | |
21 | // Author: B. Cheynis | |
22 | ||
23 | #include <Riostream.h> | |
24 | #include <TObjArray.h> | |
25 | #include "AliLog.h" | |
26 | #include "AliRawDataHeaderSim.h" | |
27 | #include "AliVZEROBuffer.h" | |
28 | ||
29 | //#include "TFile.h" | |
30 | //#include "TTree.h" | |
31 | ||
32 | ClassImp(AliVZEROBuffer) | |
33 | ||
34 | //_____________________________________________________________________________ | |
35 | AliVZEROBuffer::AliVZEROBuffer():TObject(), | |
36 | fVerbose(0), | |
37 | f() | |
38 | { | |
39 | // | |
40 | // default constructor | |
41 | // | |
42 | } | |
43 | //_____________________________________________________________________________ | |
44 | AliVZEROBuffer::AliVZEROBuffer(const char* fileName):TObject(), | |
45 | fVerbose(0), | |
46 | f() | |
47 | { | |
48 | // Constructor | |
49 | f = new AliFstream(fileName); | |
50 | // fout=new TFile(fileName,"recreate"); | |
51 | // tree=new TTree("tree","Values"); | |
52 | AliRawDataHeaderSim header; | |
53 | f->WriteBuffer((char*)(&header), sizeof(header)); | |
54 | ||
55 | } | |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliVZEROBuffer::~AliVZEROBuffer(){ | |
59 | // Destructor, it closes the IO stream | |
60 | AliRawDataHeaderSim header; | |
61 | header.fSize = f->Tellp(); | |
62 | header.SetAttribute(0); // valid data | |
63 | f->Seekp(0); | |
64 | f->WriteBuffer((char*)(&header), sizeof(header)); | |
65 | delete f; | |
66 | //delete tree; | |
67 | //delete fout; | |
68 | } | |
69 | ||
70 | //_____________________________________________________________________________ | |
71 | AliVZEROBuffer::AliVZEROBuffer(const AliVZEROBuffer &source):TObject(source), | |
72 | fVerbose(0), | |
73 | f() | |
74 | ||
75 | { | |
76 | // Copy Constructor | |
77 | this->fVerbose=source.fVerbose; | |
78 | return; | |
79 | } | |
80 | ||
81 | //_____________________________________________________________________________ | |
82 | AliVZEROBuffer& AliVZEROBuffer::operator=(const AliVZEROBuffer &source) | |
83 | ||
84 | { | |
85 | //Assigment operator | |
86 | this->fVerbose=source.fVerbose; | |
87 | return *this; | |
88 | } | |
89 | ||
90 | //_____________________________________________________________________________ | |
91 | void AliVZEROBuffer::WriteTriggerInfo(UInt_t trigger) { | |
92 | // The method writes VZERO trigger information | |
93 | // This info is contained in the first two | |
94 | // raw-data words following the raw-data header (CDH). | |
95 | ||
96 | f->WriteBuffer((char*)(&trigger),sizeof(trigger)); | |
97 | ||
98 | // By default all the inputs are unmasked... Hopefully | |
99 | UInt_t triggerMask = 0xffff; | |
100 | f->WriteBuffer((char*)(&triggerMask),sizeof(triggerMask)); | |
101 | } | |
102 | ||
103 | //_____________________________________________________________________________ | |
104 | void AliVZEROBuffer::WriteTriggerScalers() { | |
105 | // The method writes the VZERO trigger scalers | |
106 | // For the moment there is no way to simulate | |
107 | // this, so we fill the necessary 16 words with 0 | |
108 | ||
109 | // First the general trigger scalers (16 of them) | |
110 | for(Int_t i = 0; i < 16; i++) { | |
111 | UInt_t data = 0; | |
112 | f->WriteBuffer((char*)&data,sizeof(data)); | |
113 | } | |
114 | } | |
115 | ||
116 | //_____________________________________________________________________________ | |
117 | void AliVZEROBuffer::WriteBunchNumbers() { | |
118 | // The method writes the Bunch Numbers corresponding | |
119 | // to the 10 Minimum Bias events | |
120 | // For the moment there is no way to simulate | |
121 | // this, so we fill the necessary 10 words with 0 | |
122 | ||
123 | // First the bunch crossing numbers | |
124 | // for these 10 events | |
125 | ||
126 | for(Int_t i = 0; i < 10; i++) { | |
127 | UInt_t data = 0; | |
128 | f->WriteBuffer((char*)&data,sizeof(data)); | |
129 | } | |
130 | ||
131 | } | |
132 | ||
133 | //_____________________________________________________________________________ | |
134 | void AliVZEROBuffer::WriteChannel(Int_t cell, UInt_t ADC, Float_t /*Time*/, Bool_t integrator){ | |
135 | // It writes VZERO charge information into a raw data file. | |
136 | // Being called by Digits2Raw | |
137 | ||
138 | UInt_t data = 0; | |
139 | ||
140 | if (/*ADC < 0 || */ ADC > 1023) { | |
141 | AliInfo(Form("ADC saturated: %d. Truncating to 1023",ADC)); | |
142 | ADC = 1023; | |
143 | } | |
144 | ||
145 | if(cell%2 == 0) | |
146 | // Information about previous 10 interaction | |
147 | // Not available in the simulation... | |
148 | // Even cell number -- skip 5 words | |
149 | { for(Int_t i = 0; i < 5; i++) | |
150 | { data = 0; | |
151 | f->WriteBuffer((char*)&data,sizeof(data)); } | |
152 | data = ADC & 0x3ff; | |
153 | data |= (integrator & 0x1) << 10; | |
154 | f->WriteBuffer((char*)&data,sizeof(data)); } | |
155 | else | |
156 | // Information about previous 10 interaction | |
157 | // Odd cell number -- skip 4 words and shift ADC by 16 bits | |
158 | { for(Int_t i = 0; i < 4; i++) | |
159 | { data = 0; | |
160 | f->WriteBuffer((char*)&data,sizeof(data)); } | |
161 | data = (ADC & 0x3ff) << 16; | |
162 | data |= (integrator & 0x1) << 26; | |
163 | f->WriteBuffer((char*)&data,sizeof(data)); } | |
164 | ||
165 | data = 0; | |
166 | // Information about following 10 interaction | |
167 | // Not available in the simulation... | |
168 | for(Int_t i = 0; i < 5; i++) | |
169 | f->WriteBuffer((char*)&data,sizeof(data)); | |
170 | } | |
171 | ||
172 | //_____________________________________________________________________________ | |
173 | void AliVZEROBuffer::WriteBeamFlags() { | |
174 | // The method writes information about | |
175 | // the Beam-Beam and Beam-Gas flags i.e. | |
176 | // 6 words for the 4 channels | |
177 | // of half a CIU card | |
178 | ||
179 | ||
180 | for(Int_t i = 0; i < 6; i++) { | |
181 | UInt_t data = 0; | |
182 | f->WriteBuffer((char*)&data,sizeof(data)); | |
183 | } | |
184 | } | |
185 | ||
186 | ||
187 | //_____________________________________________________________________________ | |
188 | void AliVZEROBuffer::WriteMBInfo() { | |
189 | // The method writes information about | |
190 | // the 10 previous minimum-bias events | |
191 | // i.e. channels charge for each of these | |
192 | // 10 events (20 words for the 4 channels | |
193 | // of half a CIU card) | |
194 | ||
195 | for(Int_t i = 0; i < 20; i++) { | |
196 | UInt_t data = 0; | |
197 | f->WriteBuffer((char*)&data,sizeof(data)); | |
198 | } | |
199 | } | |
200 | ||
201 | ||
202 | //_____________________________________________________________________________ | |
203 | void AliVZEROBuffer::WriteMBFlags() { | |
204 | // The method writes information about | |
205 | // the Minimum Bias flags | |
206 | // 3 32-bits words for the 4 channels | |
207 | // of half a CIU card | |
208 | ||
209 | ||
210 | for(Int_t i = 0; i < 3; i++) { | |
211 | UInt_t data = 0; | |
212 | f->WriteBuffer((char*)&data,sizeof(data)); | |
213 | } | |
214 | } | |
215 | ||
216 | //_____________________________________________________________________________ | |
217 | void AliVZEROBuffer::WriteBeamScalers() { | |
218 | // The method writes the VZERO beam scalers | |
219 | // For the moment there is no way to simulate | |
220 | // this, so we fill the necessary words with 0 | |
221 | ||
222 | // Beam-beam and beam-gas scalers for | |
223 | // 4 individual channel (4x4 words) | |
224 | ||
225 | for(Int_t i = 0; i < 16; i++) { | |
226 | UInt_t data = 0; | |
227 | f->WriteBuffer((char*)&data,sizeof(data)); | |
228 | } | |
229 | } | |
230 | ||
231 | //_____________________________________________________________________________ | |
232 | void AliVZEROBuffer::WriteTiming(Int_t /*cell*/, UInt_t /* ADC*/, Float_t Time){ | |
233 | // It writes the timing information into a raw data file. | |
234 | // Being called by Digits2Raw | |
235 | ||
236 | UInt_t data = 0; | |
237 | Int_t coarse1, coarse2, fine; | |
238 | ||
239 | // Writes the timing information | |
240 | // data = Time & 0xfff; | |
241 | ||
242 | coarse1 = int( Time/25.0 ); | |
243 | coarse2 = int( (Time - 25*coarse1)/(25.0/8.0) ); | |
244 | fine = int( (Time - 25*coarse1 -(25.0/8.0)*coarse2)/(25.0/256.0) ); | |
245 | ||
246 | data = (coarse1 & 0xf) << 8; | |
247 | data |= (coarse2 & 0x7) << 5; | |
248 | data |= (fine & 0x1f); | |
249 | ||
250 | // The signal width is not available the digits! | |
251 | // To be added soon | |
252 | // data |= (width & 0x7f) << 12; | |
253 | f->WriteBuffer((char*)&data,sizeof(data)); | |
254 | } |