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a09a2da4 | 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 | /// This class provides access to PMD digits in raw data. | |
21 | /// | |
22 | /// It loops over all PMD digits in the raw data given by the AliRawReader. | |
23 | /// The Next method goes to the next digit. If there are no digits left | |
24 | /// it returns kFALSE. | |
25 | /// Several getters provide information about the current digit. | |
26 | /// | |
27 | /////////////////////////////////////////////////////////////////////////////// | |
28 | ||
34ab69dd | 29 | #include <Riostream.h> |
30 | #include <TObjArray.h> | |
31 | #include <TString.h> | |
32 | #include <TSystem.h> | |
33 | ||
ecee2a1a | 34 | #include "AliLog.h" |
34ab69dd | 35 | #include "AliPMDBlockHeader.h" |
36 | #include "AliPMDDspHeader.h" | |
37 | #include "AliPMDPatchBusHeader.h" | |
38 | #include "AliPMDddldata.h" | |
a09a2da4 | 39 | #include "AliPMDRawStream.h" |
40 | #include "AliRawReader.h" | |
41 | ||
42 | ClassImp(AliPMDRawStream) | |
43 | ||
44 | ||
45 | //_____________________________________________________________________________ | |
46 | AliPMDRawStream::AliPMDRawStream(AliRawReader* rawReader) : | |
34ab69dd | 47 | fRawReader(rawReader) |
a09a2da4 | 48 | { |
49 | // create an object to read PMD raw digits | |
50 | ||
362c9d61 | 51 | fRawReader->Select("PMD"); |
a09a2da4 | 52 | } |
53 | ||
54 | //_____________________________________________________________________________ | |
55 | AliPMDRawStream::AliPMDRawStream(const AliPMDRawStream& stream) : | |
56 | TObject(stream), | |
34ab69dd | 57 | fRawReader(NULL) |
a09a2da4 | 58 | { |
59 | // copy constructor | |
60 | ||
ecee2a1a | 61 | AliFatal("Copy constructor not implemented"); |
a09a2da4 | 62 | } |
63 | ||
64 | //_____________________________________________________________________________ | |
65 | AliPMDRawStream& AliPMDRawStream::operator = (const AliPMDRawStream& | |
66 | /* stream */) | |
67 | { | |
68 | // assignment operator | |
69 | ||
ecee2a1a | 70 | AliFatal("operator = assignment operator not implemented"); |
a09a2da4 | 71 | return *this; |
72 | } | |
73 | ||
74 | //_____________________________________________________________________________ | |
75 | AliPMDRawStream::~AliPMDRawStream() | |
76 | { | |
77 | // destructor | |
78 | ||
79 | } | |
80 | ||
81 | ||
82 | //_____________________________________________________________________________ | |
34ab69dd | 83 | |
9ac124a2 | 84 | Bool_t AliPMDRawStream::DdlData(Int_t indexDDL, TObjArray *pmdddlcont) |
a09a2da4 | 85 | { |
86 | // read the next raw digit | |
87 | // returns kFALSE if there is no digit left | |
88 | ||
34ab69dd | 89 | AliPMDddldata *pmdddldata; |
90 | ||
35341ad3 | 91 | if (!fRawReader->ReadHeader()) return kFALSE; |
34ab69dd | 92 | Int_t iddl = fRawReader->GetDDLID(); |
93 | Int_t dataSize = fRawReader->GetDataSize(); | |
94 | Int_t totaldataword = dataSize/4; | |
9ac124a2 | 95 | |
96 | if (dataSize <= 0) return kFALSE; | |
97 | if (indexDDL != iddl) | |
98 | { | |
99 | AliError("Mismatch in the DDL index"); | |
100 | return kFALSE; | |
101 | } | |
a09a2da4 | 102 | |
34ab69dd | 103 | UInt_t *buffer; |
104 | buffer = new UInt_t[totaldataword]; | |
a09a2da4 | 105 | UInt_t data; |
34ab69dd | 106 | for (Int_t i = 0; i < totaldataword; i++) |
107 | { | |
108 | fRawReader->ReadNextInt(data); | |
109 | buffer[i] = data; | |
110 | } | |
a09a2da4 | 111 | |
34ab69dd | 112 | // --- Open the mapping file |
a09a2da4 | 113 | |
34ab69dd | 114 | TString fileName(gSystem->Getenv("ALICE_ROOT")); |
115 | if(iddl == 0) | |
116 | { | |
117 | fileName += "/PMD/PMD_Mapping_ddl0.dat"; | |
118 | } | |
119 | else if(iddl == 1) | |
120 | { | |
121 | fileName += "/PMD/PMD_Mapping_ddl1.dat"; | |
122 | } | |
123 | else if(iddl == 2) | |
124 | { | |
125 | fileName += "/PMD/PMD_Mapping_ddl2.dat"; | |
126 | } | |
127 | else if(iddl == 3) | |
128 | { | |
129 | fileName += "/PMD/PMD_Mapping_ddl3.dat"; | |
130 | } | |
131 | else if(iddl == 4) | |
132 | { | |
133 | fileName += "/PMD/PMD_Mapping_ddl4.dat"; | |
134 | } | |
135 | else if(iddl == 5) | |
136 | { | |
137 | fileName += "/PMD/PMD_Mapping_ddl5.dat"; | |
138 | } | |
139 | ||
140 | ifstream infile; | |
141 | infile.open(fileName.Data(), ios::in); // ascii file | |
142 | if(!infile) | |
143 | AliError(Form("Could not read the mapping file for DDL No = %d",iddl)); | |
144 | ||
145 | Int_t modulePerDDL = 0; | |
146 | if (iddl < 4) | |
147 | { | |
148 | modulePerDDL = 6; | |
149 | } | |
150 | else if (iddl == 4 || iddl == 5) | |
151 | { | |
152 | modulePerDDL = 12; | |
153 | } | |
154 | ||
155 | const Int_t kNPatchBus = 50; | |
156 | ||
157 | Int_t modno, totPatchBus, bPatchBus, ePatchBus; | |
158 | Int_t ibus, totmcm, rows, rowe, cols, cole; | |
159 | Int_t moduleNo[kNPatchBus], mcmperBus[kNPatchBus]; | |
160 | Int_t startRowBus[kNPatchBus], endRowBus[kNPatchBus]; | |
161 | Int_t startColBus[kNPatchBus], endColBus[kNPatchBus]; | |
162 | ||
163 | ||
164 | for (Int_t ibus = 0; ibus < kNPatchBus; ibus++) | |
165 | { | |
166 | mcmperBus[ibus] = -1; | |
167 | startRowBus[ibus] = -1; | |
168 | endRowBus[ibus] = -1; | |
169 | startColBus[ibus] = -1; | |
170 | endColBus[ibus] = -1; | |
171 | } | |
172 | ||
173 | ||
174 | for (Int_t im = 0; im < modulePerDDL; im++) | |
175 | { | |
176 | infile >> modno; | |
177 | infile >> totPatchBus >> bPatchBus >> ePatchBus; | |
9ac124a2 | 178 | |
34ab69dd | 179 | for(Int_t i=0; i<totPatchBus; i++) |
180 | { | |
181 | infile >> ibus >> totmcm >> rows >> rowe >> cols >> cole; | |
182 | ||
183 | moduleNo[ibus] = modno; | |
184 | mcmperBus[ibus] = totmcm; | |
185 | startRowBus[ibus] = rows; | |
186 | endRowBus[ibus] = rowe; | |
187 | startColBus[ibus] = cols; | |
188 | endColBus[ibus] = cole; | |
189 | } | |
190 | } | |
191 | ||
9ac124a2 | 192 | |
193 | ||
34ab69dd | 194 | infile.close(); |
195 | ||
196 | ||
197 | AliPMDBlockHeader blockHeader; | |
198 | AliPMDDspHeader dspHeader; | |
199 | AliPMDPatchBusHeader pbusHeader; | |
200 | ||
0a666212 | 201 | const Int_t kblHLen = blockHeader.GetHeaderLength(); |
202 | const Int_t kdspHLen = dspHeader.GetHeaderLength(); | |
203 | const Int_t kpbusHLen = pbusHeader.GetHeaderLength(); | |
204 | ||
a98f9d26 | 205 | Int_t parity; |
34ab69dd | 206 | Int_t idet, ismn; |
207 | Int_t irow = -1; | |
208 | Int_t icol = -1; | |
209 | ||
0a666212 | 210 | Int_t blHeaderWord[8]; |
211 | Int_t dspHeaderWord[10]; | |
212 | Int_t pbusHeaderWord[4]; | |
34ab69dd | 213 | |
214 | Int_t ilowLimit = 0; | |
215 | Int_t iuppLimit = 0; | |
9ac124a2 | 216 | |
217 | Int_t blRawDataLength = 0; | |
218 | Int_t iwordcount = 0; | |
219 | ||
220 | ||
34ab69dd | 221 | for (Int_t iblock = 0; iblock < 2; iblock++) |
222 | { | |
223 | ilowLimit = iuppLimit; | |
0a666212 | 224 | iuppLimit = ilowLimit + kblHLen; |
34ab69dd | 225 | |
9ac124a2 | 226 | |
34ab69dd | 227 | for (Int_t i = ilowLimit; i < iuppLimit; i++) |
228 | { | |
0a666212 | 229 | blHeaderWord[i-ilowLimit] = (Int_t) buffer[i]; |
34ab69dd | 230 | } |
9ac124a2 | 231 | |
0a666212 | 232 | blockHeader.SetHeader(blHeaderWord); |
9ac124a2 | 233 | |
234 | blRawDataLength = blockHeader.GetRawDataLength(); | |
235 | ||
34ab69dd | 236 | for (Int_t idsp = 0; idsp < 5; idsp++) |
237 | { | |
238 | ilowLimit = iuppLimit; | |
0a666212 | 239 | iuppLimit = ilowLimit + kdspHLen; |
34ab69dd | 240 | |
241 | for (Int_t i = ilowLimit; i < iuppLimit; i++) | |
242 | { | |
9ac124a2 | 243 | iwordcount++; |
0a666212 | 244 | dspHeaderWord[i-ilowLimit] = (Int_t) buffer[i]; |
34ab69dd | 245 | } |
0a666212 | 246 | dspHeader.SetHeader(dspHeaderWord); |
34ab69dd | 247 | |
248 | for (Int_t ibus = 0; ibus < 5; ibus++) | |
249 | { | |
250 | ||
251 | ilowLimit = iuppLimit; | |
0a666212 | 252 | iuppLimit = ilowLimit + kpbusHLen; |
34ab69dd | 253 | |
254 | for (Int_t i = ilowLimit; i < iuppLimit; i++) | |
255 | { | |
9ac124a2 | 256 | iwordcount++; |
0a666212 | 257 | pbusHeaderWord[i-ilowLimit] = (Int_t) buffer[i]; |
34ab69dd | 258 | } |
0a666212 | 259 | pbusHeader.SetHeader(pbusHeaderWord); |
34ab69dd | 260 | Int_t rawdatalength = pbusHeader.GetRawDataLength(); |
261 | Int_t pbusid = pbusHeader.GetPatchBusId(); | |
262 | ||
263 | ilowLimit = iuppLimit; | |
264 | iuppLimit = ilowLimit + rawdatalength; | |
265 | ||
266 | Int_t imodule = moduleNo[pbusid]; | |
267 | ||
268 | ||
269 | for (Int_t iword = ilowLimit; iword < iuppLimit; iword++) | |
270 | { | |
9ac124a2 | 271 | iwordcount++; |
34ab69dd | 272 | data = buffer[iword]; |
273 | ||
274 | Int_t isig = data & 0x0FFF; | |
275 | Int_t ich = (data >> 12) & 0x003F; | |
276 | Int_t imcm = (data >> 18) & 0x07FF; | |
277 | Int_t ibit = (data >> 31) & 0x0001; | |
278 | ||
a98f9d26 | 279 | parity = ComputeParity(data); |
280 | if (ibit != parity) | |
281 | { | |
282 | AliWarning("ComputeParity:: Parity Error"); | |
283 | } | |
34ab69dd | 284 | GetRowCol(iddl, pbusid, imcm, ich, |
285 | startRowBus, endRowBus, | |
286 | startColBus, endColBus, | |
287 | irow, icol); | |
288 | ||
289 | ConvertDDL2SMN(iddl, imodule, ismn, idet); | |
290 | TransformH2S(ismn, irow, icol); | |
291 | ||
292 | pmdddldata = new AliPMDddldata(); | |
293 | ||
294 | pmdddldata->SetDetector(idet); | |
295 | pmdddldata->SetSMN(ismn); | |
296 | pmdddldata->SetModule(imodule); | |
297 | pmdddldata->SetPatchBusId(pbusid); | |
298 | pmdddldata->SetMCM(imcm); | |
299 | pmdddldata->SetChannel(ich); | |
300 | pmdddldata->SetRow(irow); | |
301 | pmdddldata->SetColumn(icol); | |
302 | pmdddldata->SetSignal(isig); | |
303 | pmdddldata->SetParityBit(ibit); | |
304 | ||
305 | pmdddlcont->Add(pmdddldata); | |
306 | ||
0a666212 | 307 | } // data word loop |
9ac124a2 | 308 | |
309 | if (iwordcount == blRawDataLength) break; | |
310 | ||
0a666212 | 311 | } // patch bus loop |
34ab69dd | 312 | |
0a666212 | 313 | if (dspHeader.GetPaddingWord() == 1) iuppLimit++; |
9ac124a2 | 314 | if (iwordcount == blRawDataLength) break; |
34ab69dd | 315 | |
0a666212 | 316 | } // end of DSP |
9ac124a2 | 317 | if (iwordcount == blRawDataLength) break; |
34ab69dd | 318 | |
319 | } // end of BLOCK | |
320 | ||
321 | ||
322 | delete [] buffer; | |
a09a2da4 | 323 | |
9ac124a2 | 324 | return kTRUE; |
a09a2da4 | 325 | } |
a09a2da4 | 326 | //_____________________________________________________________________________ |
34ab69dd | 327 | void AliPMDRawStream::GetRowCol(Int_t ddlno, Int_t pbusid, |
328 | UInt_t mcmno, UInt_t chno, | |
329 | Int_t startRowBus[], Int_t endRowBus[], | |
330 | Int_t startColBus[], Int_t endColBus[], | |
331 | Int_t &row, Int_t &col) const | |
a09a2da4 | 332 | { |
34ab69dd | 333 | // decode: ddlno, patchbusid, mcmno, chno -> um, row, col |
a09a2da4 | 334 | |
a09a2da4 | 335 | |
9ac124a2 | 336 | static const UInt_t kCh[64] = { 53, 58, 57, 54, 61, 62, 60, 63, |
337 | 49, 59, 56, 55, 52, 50, 48, 51, | |
338 | 44, 47, 45, 43, 40, 39, 36, 46, | |
339 | 32, 35, 33, 34, 41, 38, 37, 42, | |
340 | 21, 26, 25, 22, 29, 30, 28, 31, | |
341 | 17, 27, 24, 23, 20, 18, 16, 19, | |
342 | 12, 15, 13, 11, 8, 7, 4, 14, | |
343 | 0, 3, 1, 2, 9, 6, 5, 10 }; | |
344 | ||
a09a2da4 | 345 | |
34ab69dd | 346 | Int_t rowcol = kCh[chno]; |
347 | Int_t irownew = rowcol/4; | |
348 | Int_t icolnew = rowcol%4; | |
a09a2da4 | 349 | |
34ab69dd | 350 | if (ddlno == 0) |
a09a2da4 | 351 | { |
34ab69dd | 352 | if (pbusid <= 2) |
353 | { | |
354 | if (mcmno >= 12) | |
355 | { | |
356 | row = startRowBus[pbusid] + irownew; | |
357 | col = startColBus[pbusid] + (mcmno-12)*4 + icolnew; | |
358 | } | |
359 | else | |
360 | { | |
361 | // Add 16 to skip the 1st 15 rows | |
362 | row = startRowBus[pbusid] + irownew + 16; | |
363 | col = startColBus[pbusid] + mcmno*4 + icolnew; | |
364 | } | |
365 | } | |
366 | else if (pbusid > 2) | |
367 | { | |
368 | row = startRowBus[pbusid] + irownew; | |
369 | col = startColBus[pbusid] + mcmno*4 + icolnew; | |
370 | ||
371 | } | |
a09a2da4 | 372 | } |
34ab69dd | 373 | else if (ddlno == 1) |
a09a2da4 | 374 | { |
34ab69dd | 375 | if (pbusid <= 2) |
a09a2da4 | 376 | { |
34ab69dd | 377 | if (mcmno >= 12) |
378 | { | |
379 | row = endRowBus[pbusid] - (15 - irownew); | |
380 | col = startColBus[pbusid] + (mcmno-12)*4 + icolnew; | |
381 | } | |
382 | else | |
383 | { | |
384 | // Subtract 16 to skip the 1st 15 rows | |
385 | row = endRowBus[pbusid] - 16 - (15 - irownew) ; | |
386 | col = startColBus[pbusid] + mcmno*4 + icolnew; | |
387 | } | |
a09a2da4 | 388 | } |
34ab69dd | 389 | else if (pbusid > 2) |
a09a2da4 | 390 | { |
34ab69dd | 391 | row = endRowBus[pbusid] - (15 - irownew); |
392 | col = startColBus[pbusid] + mcmno*4 + icolnew; | |
a09a2da4 | 393 | } |
a09a2da4 | 394 | } |
34ab69dd | 395 | else if (ddlno == 2) |
e54787da | 396 | { |
34ab69dd | 397 | row = startRowBus[pbusid] + irownew; |
398 | col = endColBus[pbusid] - mcmno*4 - (3 - icolnew); | |
399 | } | |
400 | else if (ddlno == 3) | |
401 | { | |
402 | row = endRowBus[pbusid] - (15 - irownew); | |
403 | col = endColBus[pbusid] - mcmno*4 - (3 - icolnew); | |
e54787da | 404 | } |
34ab69dd | 405 | else if (ddlno == 4) |
e54787da | 406 | { |
34ab69dd | 407 | if (pbusid <= 16) |
e54787da | 408 | { |
34ab69dd | 409 | if (mcmno >= 12) |
410 | { | |
411 | row = startRowBus[pbusid] + irownew; | |
412 | col = startColBus[pbusid] + (mcmno-12)*4 + icolnew; | |
413 | } | |
414 | else | |
415 | { | |
416 | // Add 16 to skip the 1st 15 rows | |
417 | row = startRowBus[pbusid] + irownew + 16; | |
418 | col = startColBus[pbusid] + mcmno*4 + icolnew; | |
419 | } | |
e54787da | 420 | } |
34ab69dd | 421 | else if (pbusid > 16 && pbusid <= 20) |
e54787da | 422 | { |
34ab69dd | 423 | row = startRowBus[pbusid] + irownew; |
424 | col = startColBus[pbusid] + mcmno*4 + icolnew; | |
425 | ||
426 | } | |
427 | else if(pbusid > 20) | |
428 | { | |
429 | row = endRowBus[pbusid] - (15 - irownew); | |
430 | col = endColBus[pbusid] - mcmno*4 - (3 - icolnew); | |
e54787da | 431 | } |
e54787da | 432 | } |
34ab69dd | 433 | else if (ddlno == 5) |
e54787da | 434 | { |
34ab69dd | 435 | if (pbusid <= 16) |
436 | { | |
437 | if (mcmno >= 12) | |
438 | { | |
439 | row = endRowBus[pbusid] - (15 - irownew); | |
440 | col = startColBus[pbusid] + (mcmno-12)*4 + icolnew; | |
441 | } | |
442 | else | |
443 | { | |
444 | // Subtract 16 to skip the 1st 15 rows | |
445 | row = endRowBus[pbusid] - 16 - (15 - irownew) ; | |
446 | col = startColBus[pbusid] + mcmno*4 + icolnew; | |
447 | } | |
448 | } | |
449 | else if (pbusid > 16 && pbusid <= 20) | |
e54787da | 450 | { |
34ab69dd | 451 | row = endRowBus[pbusid] - (15 - irownew); |
452 | col = startColBus[pbusid] + mcmno*4 + icolnew; | |
e54787da | 453 | } |
34ab69dd | 454 | else if (pbusid > 20) |
e54787da | 455 | { |
34ab69dd | 456 | row = startRowBus[pbusid] + irownew; |
457 | col = endColBus[pbusid] - mcmno*4 - (3 - icolnew); | |
e54787da | 458 | } |
34ab69dd | 459 | } |
460 | } | |
461 | //_____________________________________________________________________________ | |
462 | void AliPMDRawStream::ConvertDDL2SMN(Int_t iddl, Int_t imodule, | |
463 | Int_t &smn, Int_t &detector) const | |
464 | { | |
465 | // This converts the DDL number (0 to 5), Module Number (0-47) | |
466 | // to Serial module number in one detector (SMN : 0-23) and | |
467 | // detector number (0:PRE plane, 1:CPV plane) | |
468 | if (iddl < 4) | |
469 | { | |
470 | smn = imodule; | |
471 | detector = 0; | |
472 | } | |
473 | else | |
474 | { | |
475 | smn = imodule - 24; | |
e54787da | 476 | detector = 1; |
477 | } | |
478 | } | |
479 | //_____________________________________________________________________________ | |
480 | void AliPMDRawStream::TransformH2S(Int_t smn, Int_t &row, Int_t &col) const | |
481 | { | |
34ab69dd | 482 | // This does the transformation of the hardware coordinate to |
483 | // software | |
484 | // i.e., For SuperModule 0 &1, instead of 96x48(hardware), | |
485 | // it is 48x96 (software) | |
e54787da | 486 | // For Supermodule 3 & 4, 48x96 |
487 | ||
e54787da | 488 | Int_t irownew = 0; |
489 | Int_t icolnew = 0; | |
34ab69dd | 490 | |
e54787da | 491 | if(smn < 12) |
492 | { | |
34ab69dd | 493 | irownew = col; |
494 | icolnew = row; | |
e54787da | 495 | } |
34ab69dd | 496 | else if(smn >= 12 && smn < 24) |
e54787da | 497 | { |
34ab69dd | 498 | irownew = row; |
499 | icolnew = col; | |
e54787da | 500 | } |
501 | ||
502 | row = irownew; | |
503 | col = icolnew; | |
504 | } | |
a98f9d26 | 505 | |
506 | //_____________________________________________________________________________ | |
507 | ||
508 | int AliPMDRawStream::ComputeParity(Int_t data) | |
509 | { | |
510 | // Calculate the parity bit | |
511 | ||
512 | Int_t count = 0; | |
513 | for(Int_t j = 0; j<29; j++) | |
514 | { | |
515 | if (data & 0x01 ) count++; | |
516 | data >>= 1; | |
517 | } | |
518 | ||
519 | Int_t parity = count%2; | |
520 | ||
521 | return parity; | |
522 | } | |
523 | ||
e54787da | 524 | //_____________________________________________________________________________ |