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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 | // TRD raw data conversion class // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include <Riostream.h> | |
25 | ||
26 | #include "AliDAQ.h" | |
27 | #include "AliRawDataHeader.h" | |
28 | #include "AliRawReader.h" | |
29 | #include "AliLog.h" | |
30 | ||
31 | #include "AliTRDrawData.h" | |
32 | #include "AliTRDdigitsManager.h" | |
33 | #include "AliTRDgeometry.h" | |
34 | #include "AliTRDdataArrayI.h" | |
35 | #include "AliTRDRawStream.h" | |
36 | #include "AliTRDCommonParam.h" | |
37 | #include "AliTRDcalibDB.h" | |
38 | ||
39 | ClassImp(AliTRDrawData) | |
40 | ||
41 | //_____________________________________________________________________________ | |
42 | AliTRDrawData::AliTRDrawData():TObject() | |
43 | { | |
44 | // | |
45 | // Default constructor | |
46 | // | |
47 | ||
48 | } | |
49 | ||
50 | //_____________________________________________________________________________ | |
51 | AliTRDrawData::~AliTRDrawData() | |
52 | { | |
53 | // | |
54 | // Destructor | |
55 | // | |
56 | ||
57 | } | |
58 | ||
59 | //_____________________________________________________________________________ | |
60 | Bool_t AliTRDrawData::Digits2Raw(TTree *digitsTree) | |
61 | { | |
62 | // | |
63 | // Convert the digits to raw data byte stream. The output is written | |
64 | // into the the binary files TRD_<DDL number>.ddl. | |
65 | // | |
66 | // The pseudo raw data format is currently defined like this: | |
67 | // | |
68 | // DDL data header | |
69 | // | |
70 | // Subevent (= single chamber) header (8 bytes) | |
71 | // FLAG | |
72 | // Detector number (2 bytes) | |
73 | // Number of data bytes (2 bytes) | |
74 | // Number of pads with data (2 bytes) | |
75 | // 1 empty byte | |
76 | // | |
77 | // Data bank | |
78 | // | |
79 | ||
80 | const Int_t kNumberOfDDLs = AliDAQ::NumberOfDdls("TRD"); | |
81 | const Int_t kSubeventHeaderLength = 8; | |
82 | const Int_t kSubeventDummyFlag = 0xBB; | |
83 | Int_t headerSubevent[3]; | |
84 | ||
85 | ofstream **outputFile = new ofstream* [kNumberOfDDLs]; | |
86 | UInt_t *bHPosition = new UInt_t [kNumberOfDDLs]; | |
87 | Int_t *ntotalbyte = new Int_t [kNumberOfDDLs]; | |
88 | Int_t nbyte = 0; | |
89 | Int_t npads = 0; | |
90 | unsigned char *bytePtr; | |
91 | unsigned char *headerPtr; | |
92 | ||
93 | AliTRDdigitsManager* digitsManager = new AliTRDdigitsManager(); | |
94 | ||
95 | // Read in the digit arrays | |
96 | if (!digitsManager->ReadDigits(digitsTree)) { | |
97 | delete digitsManager; | |
98 | return kFALSE; | |
99 | } | |
100 | ||
101 | AliTRDgeometry *geo = new AliTRDgeometry(); | |
102 | AliTRDdataArrayI *digits; | |
103 | ||
104 | AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance(); | |
105 | if (!commonParam) { | |
106 | AliError("Could not get common parameters\n"); | |
107 | return 0; | |
108 | } | |
109 | ||
110 | AliTRDcalibDB* calibration = AliTRDcalibDB::Instance(); | |
111 | if (!calibration) | |
112 | { | |
113 | AliError("Could not get calibration object\n"); | |
114 | return kFALSE; | |
115 | } | |
116 | ||
117 | // the event header | |
118 | AliRawDataHeader header; | |
119 | ||
120 | // Open the output files | |
121 | for (Int_t iDDL = 0; iDDL < kNumberOfDDLs; iDDL++) { | |
122 | char name[20]; | |
123 | strcpy(name,AliDAQ::DdlFileName("TRD",iDDL)); | |
124 | #ifndef __DECCXX | |
125 | outputFile[iDDL] = new ofstream(name, ios::binary); | |
126 | #else | |
127 | outputFile[iDDL] = new ofstream(name); | |
128 | #endif | |
129 | ||
130 | // Write a dummy data header | |
131 | bHPosition[iDDL] = outputFile[iDDL]->tellp(); | |
132 | outputFile[iDDL]->write((char*)(&header),sizeof(header)); | |
133 | ntotalbyte[iDDL] = 0; | |
134 | } | |
135 | ||
136 | // Loop through all detectors | |
137 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
138 | ||
139 | Int_t cham = geo->GetChamber(det); | |
140 | Int_t plan = geo->GetPlane(det); | |
141 | Int_t sect = geo->GetSector(det); | |
142 | Int_t rowMax = commonParam->GetRowMax(plan,cham,sect); | |
143 | Int_t colMax = commonParam->GetColMax(plan); | |
144 | Int_t timeTotal = calibration->GetNumberOfTimeBins(); | |
145 | Int_t bufferMax = rowMax*colMax*timeTotal; | |
146 | Int_t *buffer = new Int_t[bufferMax]; | |
147 | ||
148 | npads = 0; | |
149 | nbyte = 0; | |
150 | bytePtr = (unsigned char *) buffer; | |
151 | ||
152 | Int_t iDDL = sect; | |
153 | ||
154 | // Get the digits array | |
155 | digits = digitsManager->GetDigits(det); | |
156 | digits->Expand(); | |
157 | ||
158 | // Loop through the detector pixel | |
159 | for (Int_t col = 0; col < colMax; col++) { | |
160 | for (Int_t row = 0; row < rowMax; row++) { | |
161 | ||
162 | // Check whether data exists for this pad | |
163 | Bool_t dataflag = kFALSE; | |
164 | for (Int_t time = 0; time < timeTotal; time++) { | |
165 | Int_t data = digits->GetDataUnchecked(row,col,time); | |
166 | if (data) { | |
167 | dataflag = kTRUE; | |
168 | break; | |
169 | } | |
170 | } | |
171 | ||
172 | if (dataflag) { | |
173 | ||
174 | npads++; | |
175 | ||
176 | // The pad row number | |
177 | *bytePtr++ = row + 1; | |
178 | // The pad column number | |
179 | *bytePtr++ = col + 1; | |
180 | nbyte += 2; | |
181 | ||
182 | Int_t nzero = 0; | |
183 | for (Int_t time = 0; time < timeTotal; time++) { | |
184 | ||
185 | Int_t data = digits->GetDataUnchecked(row,col,time); | |
186 | ||
187 | if (!data) { | |
188 | nzero++; | |
189 | if ((nzero == 256) || | |
190 | (time == timeTotal-1)) { | |
191 | *bytePtr++ = 0; | |
192 | *bytePtr++ = nzero-1; | |
193 | nbyte += 2; | |
194 | nzero = 0; | |
195 | } | |
196 | } | |
197 | else { | |
198 | if (nzero) { | |
199 | *bytePtr++ = 0; | |
200 | *bytePtr++ = nzero-1; | |
201 | nbyte += 2; | |
202 | nzero = 0; | |
203 | } | |
204 | // High byte (MSB always set) | |
205 | *bytePtr++ = ((data >> 8) | 128); | |
206 | // Low byte | |
207 | *bytePtr++ = (data & 0xff); | |
208 | nbyte += 2; | |
209 | } | |
210 | ||
211 | } | |
212 | ||
213 | } | |
214 | ||
215 | } | |
216 | ||
217 | } | |
218 | ||
219 | // Fill the end of the buffer with zeros | |
220 | while (nbyte % 4) { | |
221 | *bytePtr++ = 0; | |
222 | nbyte++; | |
223 | } | |
224 | ||
225 | AliDebug(1,Form("det = %d, nbyte = %d (%d)",det,nbyte,bufferMax)); | |
226 | ||
227 | // Write the subevent header | |
228 | bytePtr = (unsigned char *) headerSubevent; | |
229 | headerPtr = bytePtr; | |
230 | *bytePtr++ = kSubeventDummyFlag; | |
231 | *bytePtr++ = (det & 0xff); | |
232 | *bytePtr++ = (det >> 8); | |
233 | *bytePtr++ = (nbyte & 0xff); | |
234 | *bytePtr++ = (nbyte >> 8); | |
235 | *bytePtr++ = (nbyte >> 16); | |
236 | *bytePtr++ = (npads & 0xff); | |
237 | *bytePtr++ = (npads >> 8); | |
238 | outputFile[iDDL]->write((char*)headerPtr,kSubeventHeaderLength); | |
239 | ||
240 | // Write the buffer to the file | |
241 | bytePtr = (unsigned char *) buffer; | |
242 | outputFile[iDDL]->write((char*)bytePtr,nbyte); | |
243 | ||
244 | ntotalbyte[iDDL] += nbyte + kSubeventHeaderLength; | |
245 | ||
246 | delete buffer; | |
247 | ||
248 | } | |
249 | ||
250 | // Update the data headers and close the output files | |
251 | for (Int_t iDDL = 0; iDDL < kNumberOfDDLs; iDDL++) { | |
252 | ||
253 | header.fSize = UInt_t(outputFile[iDDL]->tellp()) - bHPosition[iDDL]; | |
254 | header.SetAttribute(0); // valid data | |
255 | outputFile[iDDL]->seekp(bHPosition[iDDL]); | |
256 | outputFile[iDDL]->write((char*)(&header),sizeof(header)); | |
257 | ||
258 | outputFile[iDDL]->close(); | |
259 | delete outputFile[iDDL]; | |
260 | ||
261 | } | |
262 | ||
263 | delete geo; | |
264 | delete digitsManager; | |
265 | ||
266 | delete [] outputFile; | |
267 | delete [] bHPosition; | |
268 | delete [] ntotalbyte; | |
269 | ||
270 | return kTRUE; | |
271 | ||
272 | } | |
273 | ||
274 | //_____________________________________________________________________________ | |
275 | AliTRDdigitsManager* AliTRDrawData::Raw2Digits(AliRawReader* rawReader) | |
276 | { | |
277 | // | |
278 | // Read the raw data digits and put them into the returned digits manager | |
279 | // | |
280 | ||
281 | AliTRDdataArrayI *digits = 0; | |
282 | AliTRDdataArrayI *track0 = 0; | |
283 | AliTRDdataArrayI *track1 = 0; | |
284 | AliTRDdataArrayI *track2 = 0; | |
285 | ||
286 | AliTRDgeometry *geo = new AliTRDgeometry(); | |
287 | ||
288 | AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance(); | |
289 | if (!commonParam) { | |
290 | AliError("Could not get common parameters\n"); | |
291 | return 0; | |
292 | } | |
293 | ||
294 | AliTRDcalibDB* calibration = AliTRDcalibDB::Instance(); | |
295 | if (!calibration) { | |
296 | AliError("Could not get calibration object\n"); | |
297 | return 0; | |
298 | } | |
299 | ||
300 | // Create the digits manager | |
301 | AliTRDdigitsManager* digitsManager = new AliTRDdigitsManager(); | |
302 | digitsManager->CreateArrays(); | |
303 | ||
304 | AliTRDRawStream input(rawReader); | |
305 | ||
306 | // Loop through the digits | |
307 | while (input.Next()) { | |
308 | ||
309 | Int_t det = input.GetDetector(); | |
310 | Int_t npads = input.GetNPads(); | |
311 | ||
312 | if (input.IsNewDetector()) { | |
313 | ||
314 | if (digits) digits->Compress(1,0); | |
315 | if (track0) track0->Compress(1,0); | |
316 | if (track1) track1->Compress(1,0); | |
317 | if (track2) track2->Compress(1,0); | |
318 | ||
319 | AliDebug(2,"Subevent header:"); | |
320 | AliDebug(2,Form("\tdet = %d",det)); | |
321 | AliDebug(2,Form("\tnpads = %d",npads)); | |
322 | ||
323 | // Create the data buffer | |
324 | Int_t cham = geo->GetChamber(det); | |
325 | Int_t plan = geo->GetPlane(det); | |
326 | Int_t sect = geo->GetSector(det); | |
327 | Int_t rowMax = commonParam->GetRowMax(plan,cham,sect); | |
328 | Int_t colMax = commonParam->GetColMax(plan); | |
329 | Int_t timeTotal = calibration->GetNumberOfTimeBins(); | |
330 | ||
331 | // Add a container for the digits of this detector | |
332 | digits = digitsManager->GetDigits(det); | |
333 | track0 = digitsManager->GetDictionary(det,0); | |
334 | track1 = digitsManager->GetDictionary(det,1); | |
335 | track2 = digitsManager->GetDictionary(det,2); | |
336 | // Allocate memory space for the digits buffer | |
337 | if (digits->GetNtime() == 0) { | |
338 | digits->Allocate(rowMax,colMax,timeTotal); | |
339 | track0->Allocate(rowMax,colMax,timeTotal); | |
340 | track1->Allocate(rowMax,colMax,timeTotal); | |
341 | track2->Allocate(rowMax,colMax,timeTotal); | |
342 | } | |
343 | ||
344 | } | |
345 | ||
346 | digits->SetDataUnchecked(input.GetRow(),input.GetColumn(), | |
347 | input.GetTime(),input.GetSignal()); | |
348 | track0->SetDataUnchecked(input.GetRow(),input.GetColumn(), | |
349 | input.GetTime(), -1); | |
350 | track1->SetDataUnchecked(input.GetRow(),input.GetColumn(), | |
351 | input.GetTime(), -1); | |
352 | track2->SetDataUnchecked(input.GetRow(),input.GetColumn(), | |
353 | input.GetTime(), -1); | |
354 | } | |
355 | ||
356 | if (digits) digits->Compress(1,0); | |
357 | if (track0) track0->Compress(1,0); | |
358 | if (track1) track1->Compress(1,0); | |
359 | if (track2) track2->Compress(1,0); | |
360 | ||
361 | delete geo; | |
362 | ||
363 | return digitsManager; | |
364 | ||
365 | } |