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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 <TMath.h> | |
26 | ||
27 | #include "AliLog.h" | |
28 | #include "AliRawDataHeaderSim.h" | |
29 | #include "AliVZEROBuffer.h" | |
30 | #include "AliVZEROdigit.h" | |
31 | ||
32 | ClassImp(AliVZEROBuffer) | |
33 | ||
34 | //_____________________________________________________________________________ | |
35 | AliVZEROBuffer::AliVZEROBuffer():TObject(), | |
36 | fRemainingWord(0), | |
37 | f() | |
38 | { | |
39 | // | |
40 | // default constructor | |
41 | // | |
42 | } | |
43 | //_____________________________________________________________________________ | |
44 | AliVZEROBuffer::AliVZEROBuffer(const char* fileName):TObject(), | |
45 | fRemainingWord(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 | void AliVZEROBuffer::WriteTriggerInfo(UInt_t trigger) { | |
72 | // The method writes VZERO trigger information | |
73 | // This info is contained in the first two | |
74 | // raw-data words following the raw-data header (CDH). | |
75 | ||
76 | f->WriteBuffer((char*)(&trigger),sizeof(trigger)); | |
77 | ||
78 | // By default all the inputs are unmasked... Hopefully | |
79 | UInt_t triggerMask = 0xffff; | |
80 | f->WriteBuffer((char*)(&triggerMask),sizeof(triggerMask)); | |
81 | } | |
82 | ||
83 | //_____________________________________________________________________________ | |
84 | void AliVZEROBuffer::WriteTriggerScalers() { | |
85 | // The method writes the VZERO trigger scalers | |
86 | // For the moment there is no way to simulate | |
87 | // this, so we fill the necessary 16 words with 0 | |
88 | ||
89 | // First the general trigger scalers (16 of them) | |
90 | for(Int_t i = 0; i < 16; i++) { | |
91 | UInt_t data = 0; | |
92 | f->WriteBuffer((char*)&data,sizeof(data)); | |
93 | } | |
94 | } | |
95 | ||
96 | //_____________________________________________________________________________ | |
97 | void AliVZEROBuffer::WriteBunchNumbers() { | |
98 | // The method writes the Bunch Numbers corresponding | |
99 | // to the 10 Minimum Bias events | |
100 | // For the moment there is no way to simulate | |
101 | // this, so we fill the necessary 10 words with 0 | |
102 | ||
103 | // First the bunch crossing numbers | |
104 | // for these 10 events | |
105 | ||
106 | for(Int_t i = 0; i < 10; i++) { | |
107 | UInt_t data = 0; | |
108 | f->WriteBuffer((char*)&data,sizeof(data)); | |
109 | } | |
110 | ||
111 | } | |
112 | ||
113 | //_____________________________________________________________________________ | |
114 | void AliVZEROBuffer::WriteChannel(Int_t channel, Short_t *adc, Bool_t integrator){ | |
115 | // It writes VZERO charge information into a raw data file. | |
116 | // Being called by Digits2Raw | |
117 | ||
118 | UInt_t data = 0; | |
119 | for(Int_t i = 0; i < AliVZEROdigit::kNClocks; ++i) { | |
120 | if (adc[i] > 1023) { | |
121 | AliWarning(Form("ADC (channel=%d) saturated: %d. Truncating to 1023",channel,adc[i])); | |
122 | adc[i] = 1023; | |
123 | } | |
124 | } | |
125 | ||
126 | if(channel%2 == 0) { | |
127 | for(Int_t i = 0; i < (AliVZEROdigit::kNClocks/2); ++i) { | |
128 | data = (adc[2*i] & 0x3ff); | |
129 | data |= ((integrator & 0x1) << 10); | |
130 | ||
131 | data |= ((adc[2*i+1] & 0x3ff) << 16); | |
132 | data |= ((!integrator & 0x1) << 26); | |
133 | ||
134 | f->WriteBuffer((char*)&data,sizeof(data)); | |
135 | } | |
136 | fRemainingWord = (adc[AliVZEROdigit::kNClocks-1] & 0x3ff); | |
137 | fRemainingWord |= ((integrator & 0x1) << 10); | |
138 | } | |
139 | else { | |
140 | data = fRemainingWord; | |
141 | data |= ((adc[0] & 0x3ff) << 16); | |
142 | data |= ((integrator & 0x1) << 26); | |
143 | f->WriteBuffer((char*)&data,sizeof(data)); | |
144 | ||
145 | for(Int_t i = 1; i <= (AliVZEROdigit::kNClocks/2); ++i) { | |
146 | data = (adc[2*i-1] & 0x3ff); | |
147 | data |= ((!integrator & 0x1) << 10); | |
148 | ||
149 | data |= ((adc[2*i] & 0x3ff) << 16); | |
150 | data |= ((integrator & 0x1) << 26); | |
151 | ||
152 | f->WriteBuffer((char*)&data,sizeof(data)); | |
153 | } | |
154 | } | |
155 | ||
156 | } | |
157 | ||
158 | //_____________________________________________________________________________ | |
159 | void AliVZEROBuffer::WriteBeamFlags(Bool_t *bbFlag, Bool_t *bgFlag) { | |
160 | // The method writes information about | |
161 | // the Beam-Beam and Beam-Gas flags i.e. | |
162 | // 6 words for the 4 channels | |
163 | // of half a CIU card | |
164 | ||
165 | // Beam-beam and beam-gas flags are available | |
166 | // only for the triggered event-of-interest (sample index = 10) | |
167 | // As soon as trigger simulation would become more complex | |
168 | // and would allow to simulate neighbouring samples, this code | |
169 | // should be extended in order to fill all (or fraction) of the | |
170 | // flags | |
171 | for(Int_t i = 0; i < 2; i++) { | |
172 | UInt_t data = 0; | |
173 | f->WriteBuffer((char*)&data,sizeof(data)); | |
174 | } | |
175 | { | |
176 | UInt_t data = 0; | |
177 | for(Int_t iChannel = 0; iChannel < 4; ++iChannel) { | |
178 | if (bbFlag[iChannel]) data |= (1 << (2*iChannel + 16)); | |
179 | if (bgFlag[iChannel]) data |= (1 << (2*iChannel + 17)); | |
180 | } | |
181 | f->WriteBuffer((char*)&data,sizeof(data)); | |
182 | } | |
183 | for(Int_t i = 0; i < 3; i++) { | |
184 | UInt_t data = 0; | |
185 | f->WriteBuffer((char*)&data,sizeof(data)); | |
186 | } | |
187 | ||
188 | } | |
189 | ||
190 | ||
191 | //_____________________________________________________________________________ | |
192 | void AliVZEROBuffer::WriteMBInfo() { | |
193 | // The method writes information about | |
194 | // the 10 previous minimum-bias events | |
195 | // i.e. channels charge for each of these | |
196 | // 10 events (20 words for the 4 channels | |
197 | // of half a CIU card) | |
198 | ||
199 | for(Int_t i = 0; i < 20; i++) { | |
200 | UInt_t data = 0; | |
201 | f->WriteBuffer((char*)&data,sizeof(data)); | |
202 | } | |
203 | } | |
204 | ||
205 | ||
206 | //_____________________________________________________________________________ | |
207 | void AliVZEROBuffer::WriteMBFlags() { | |
208 | // The method writes information about | |
209 | // the Minimum Bias flags | |
210 | // 3 32-bits words for the 4 channels | |
211 | // of half a CIU card | |
212 | ||
213 | ||
214 | for(Int_t i = 0; i < 3; i++) { | |
215 | UInt_t data = 0; | |
216 | f->WriteBuffer((char*)&data,sizeof(data)); | |
217 | } | |
218 | } | |
219 | ||
220 | //_____________________________________________________________________________ | |
221 | void AliVZEROBuffer::WriteBeamScalers() { | |
222 | // The method writes the VZERO beam scalers | |
223 | // For the moment there is no way to simulate | |
224 | // this, so we fill the necessary words with 0 | |
225 | ||
226 | // Beam-beam and beam-gas scalers for | |
227 | // 4 individual channel (4x4 words) | |
228 | ||
229 | for(Int_t i = 0; i < 16; i++) { | |
230 | UInt_t data = 0; | |
231 | f->WriteBuffer((char*)&data,sizeof(data)); | |
232 | } | |
233 | } | |
234 | ||
235 | //_____________________________________________________________________________ | |
236 | void AliVZEROBuffer::WriteTiming(Float_t time, Float_t width) { | |
237 | // It writes the timing information into a raw data file. | |
238 | // Being called by Digits2Raw | |
239 | ||
240 | // Writes the timing information | |
241 | UInt_t data = TMath::Nint(time/(25.0/256.0)) & 0xfff; | |
242 | data |= (TMath::Nint(width/(25./64.)) & 0x7f) << 12; | |
243 | f->WriteBuffer((char*)&data,sizeof(data)); | |
244 | } |