parity bit is introduced
[u/mrichter/AliRoot.git] / PMD / AliPMDDDLRawData.cxx
CommitLineData
28328eeb 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#include <Riostream.h>
17#include <TClonesArray.h>
18#include <TTree.h>
19#include <TBranch.h>
20#include <TMath.h>
95ec17e6 21#include <TString.h>
22#include <TSystem.h>
28328eeb 23
ecee2a1a 24#include "AliLog.h"
a4e4efaa 25#include "AliRawDataHeader.h"
cff75ba7 26#include "AliBitPacking.h"
28328eeb 27#include "AliPMDdigit.h"
0a666212 28#include "AliPMDBlockHeader.h"
29#include "AliPMDDspHeader.h"
30#include "AliPMDPatchBusHeader.h"
a4e4efaa 31#include "AliPMDRawStream.h"
28328eeb 32#include "AliPMDDDLRawData.h"
362c9d61 33#include "AliDAQ.h"
28328eeb 34
35ClassImp(AliPMDDDLRawData)
36
37AliPMDDDLRawData::AliPMDDDLRawData():
38 fDigits(new TClonesArray("AliPMDdigit", 1000))
39{
40 // Default Constructor
41 //
a4e4efaa 42
28328eeb 43}
a48edddd 44//____________________________________________________________________________
45AliPMDDDLRawData::AliPMDDDLRawData(const AliPMDDDLRawData& ddlraw):
46 TObject(ddlraw),
47 fDigits(ddlraw.fDigits)
48{
49 //Copy Constructor
50}
51//____________________________________________________________________________
52AliPMDDDLRawData & AliPMDDDLRawData::operator=(const AliPMDDDLRawData& ddlraw)
53{
54 //Assignment operator
55 if(this != &ddlraw)
56 {
57 fDigits = ddlraw.fDigits;
58 }
59 return *this;
60}
28328eeb 61//____________________________________________________________________________
62
63AliPMDDDLRawData::~AliPMDDDLRawData()
64{
65 // Default Destructor
66 //
67
68}
69
70//____________________________________________________________________________
a4e4efaa 71void AliPMDDDLRawData::WritePMDRawData(TTree *treeD)
28328eeb 72{
73 // write digits into raw data format
74
75 ofstream outfile;
76
77 TBranch *branch = treeD->GetBranch("PMDDigit");
ecee2a1a 78 if (!branch)
79 {
80 AliError("PMD Digit branch not found");
81 return;
82 }
28328eeb 83 branch->SetAddress(&fDigits);
84
ecee2a1a 85 Int_t nmodules = (Int_t) treeD->GetEntries();
86 AliDebug(1,Form("Number of modules inside treeD = %d",nmodules));
28328eeb 87
362c9d61 88 const Int_t kDDL = AliDAQ::NumberOfDdls("PMD");
28328eeb 89 Int_t modulePerDDL = 0;
90
91
a4e4efaa 92 AliRawDataHeader header;
28328eeb 93 UInt_t sizeRawData = 0;
95ec17e6 94
95 const Int_t kSize = 1536;
28328eeb 96 UInt_t buffer[kSize];
97
95ec17e6 98 UInt_t busPatch[50][1536];
99
100 Int_t contentsBus[50];
101
28328eeb 102 Char_t filename[80];
103
95ec17e6 104
28328eeb 105 Int_t mmodule = 0;
106 for(Int_t iddl = 0; iddl < kDDL; iddl++)
107 {
362c9d61 108 strcpy(filename,AliDAQ::DdlFileName("PMD",iddl));
28328eeb 109#ifndef __DECCXX
110 outfile.open(filename,ios::binary);
111#else
112 outfile.open(filename);
113#endif
114
115 if (iddl < 4)
116 {
117 modulePerDDL = 6;
118 mmodule = 6*iddl;
28328eeb 119 }
120 else if (iddl == 4)
121 {
122 modulePerDDL = 12;
123 mmodule = 24;
28328eeb 124 }
125 else if (iddl == 5)
126 {
127 modulePerDDL = 12;
a4e4efaa 128 mmodule = 30;
28328eeb 129 }
130
28328eeb 131
95ec17e6 132
a4e4efaa 133 // Write the Dummy Data Header into the file
28328eeb 134 Int_t bHPosition = outfile.tellp();
a4e4efaa 135 outfile.write((char*)(&header),sizeof(header));
28328eeb 136
95ec17e6 137 for (Int_t ibus = 0; ibus < 50; ibus++)
138 {
139 contentsBus[ibus] = 0;
140 for (Int_t ich = 0; ich < 1536; ich++)
141 {
142 busPatch[ibus][ich] = 0;
143 }
144 }
28328eeb 145
146 for(Int_t ium = 0; ium < modulePerDDL; ium++)
147 {
95ec17e6 148 if (iddl == 4 && ium == 6) mmodule = 42;
a4e4efaa 149
28328eeb 150 // Extract energy deposition per cell and pack it
151 // in a 32-bit word and returns all the total words
152 // per one unit-module
153
95ec17e6 154 GetUMDigitsData(treeD, mmodule, iddl, contentsBus, busPatch);
28328eeb 155 mmodule++;
95ec17e6 156 }
28328eeb 157
95ec17e6 158
159
160 Int_t ij = 0;
161 Int_t dsp[10];
162 Int_t dspBus[10];
163 for (Int_t i = 0; i < 10; i++)
164 {
165 dsp[i] = 0;
166 dspBus[i] = 0;
167 for (Int_t ibus=0; ibus < 5; ibus++)
168 {
169 if (contentsBus[ij] > 0)
170 {
171 dsp[i] += contentsBus[ij];
172 dspBus[i]++;
173 }
174 ij++;
175 }
176 // Add the patch Bus header to the DSP contents
177 dsp[i] += 4*dspBus[i];
178 }
179
0a666212 180 Int_t dspBlockARDL = 0;
181 Int_t dspBlockBRDL = 0;
182
95ec17e6 183 for (Int_t i = 0; i < 5; i++)
184 {
185 Int_t ieven = 2*i;
186 Int_t iodd = 2*i + 1;
187 if (dsp[ieven] > 0)
188 {
189 dspBlockARDL += dsp[ieven];
0a666212 190 Int_t remainder = dsp[ieven]%2;
191 if (remainder == 1)
192 {
193 dspBlockARDL++;
194 }
95ec17e6 195 }
196 if (dsp[iodd] > 0)
197 {
198 dspBlockBRDL += dsp[iodd];
0a666212 199 Int_t remainder = dsp[ieven]%2;
200 if (remainder == 1)
201 {
202 dspBlockARDL++;
203 }
95ec17e6 204 }
28328eeb 205 }
95ec17e6 206
207 // Start writing the DDL file
0a666212 208
209 AliPMDBlockHeader blHeader;
210 AliPMDDspHeader dspHeader;
211 AliPMDPatchBusHeader pbusHeader;
212
213 const Int_t kblHLen = blHeader.GetHeaderLength();
214 const Int_t kdspHLen = dspHeader.GetHeaderLength();
215 const Int_t kpbusHLen = pbusHeader.GetHeaderLength();
216
95ec17e6 217 UInt_t dspRDL = 0;
0a666212 218 UInt_t dspBlockHeaderWord[8];
219 UInt_t dspHeaderWord[10];
220 UInt_t patchBusHeaderWord[4];
95ec17e6 221 Int_t iskip[5];
222
0a666212 223
95ec17e6 224 for (Int_t iblock = 0; iblock < 2; iblock++)
225 {
226 // DSP Block Header
227
0a666212 228 for (Int_t i=0; i<kblHLen; i++)
95ec17e6 229 {
0a666212 230 dspBlockHeaderWord[i] = 0;
231 }
232 if (iblock == 0)
233 {
234 dspBlockHeaderWord[1] = (UInt_t) (dspBlockARDL + kblHLen);
235 dspBlockHeaderWord[2] = (UInt_t) dspBlockARDL;
236 }
237 else if (iblock == 1)
238 {
239 dspBlockHeaderWord[1] = (UInt_t) (dspBlockBRDL + kblHLen);
240 dspBlockHeaderWord[2] = (UInt_t) dspBlockBRDL;
95ec17e6 241 }
242
0a666212 243 outfile.write((char*)dspBlockHeaderWord,kblHLen*sizeof(UInt_t));
95ec17e6 244
245 if (iblock == 0)
246 {
247 iskip[0] = 0;
248 iskip[1] = 10;
249 iskip[2] = 20;
250 iskip[3] = 30;
251 iskip[4] = 40;
252 }
253 else if (iblock == 1)
254 {
255 iskip[0] = 5;
256 iskip[1] = 15;
257 iskip[2] = 25;
258 iskip[3] = 35;
259 iskip[4] = 45;
260 }
28328eeb 261
95ec17e6 262 for (Int_t idsp = 0; idsp < 5; idsp++)
263 {
264 // DSP Header
265 Int_t dspno = 0;
266 if (iblock == 0)
267 {
268 dspno = 2*idsp;
269 dspRDL = (UInt_t) dsp[dspno];
270 }
271 else if (iblock == 1)
272 {
273 dspno = 2*idsp + 1;
274 dspRDL = (UInt_t) dsp[dspno];
275 }
276
0a666212 277 for (Int_t i=0; i<kdspHLen; i++)
95ec17e6 278 {
0a666212 279 dspHeaderWord[i] = 0;
95ec17e6 280 }
0a666212 281 Int_t remainder = dspRDL%2;
282 if (remainder == 1) dspRDL++;
283
284 dspHeaderWord[1] = dspRDL + kdspHLen;
285 dspHeaderWord[2] = dspRDL;
286 dspHeaderWord[3] = dspno;
287 if (remainder == 1) dspHeaderWord[8] = 1; // setting the padding word
288 outfile.write((char*)dspHeaderWord,kdspHLen*sizeof(UInt_t));
289
95ec17e6 290 for (Int_t ibus = 0; ibus < 5; ibus++)
291 {
292 // Patch Bus Header
293 Int_t busno = iskip[idsp] + ibus;
294 Int_t patchbusRDL = contentsBus[busno];
0a666212 295
296 if (patchbusRDL > 0)
95ec17e6 297 {
0a666212 298 patchBusHeaderWord[0] = 0;
299 patchBusHeaderWord[1] = (UInt_t) (patchbusRDL + kpbusHLen);
300 patchBusHeaderWord[2] = (UInt_t) patchbusRDL;
301 patchBusHeaderWord[3] = (UInt_t) busno;
95ec17e6 302 }
0a666212 303 else if (patchbusRDL == 0)
304 {
305 patchBusHeaderWord[0] = 0;
306 patchBusHeaderWord[1] = (UInt_t) kpbusHLen;
307 patchBusHeaderWord[2] = (UInt_t) 0;
308 patchBusHeaderWord[3] = (UInt_t) busno;
309 }
310
311
312 outfile.write((char*)patchBusHeaderWord,4*sizeof(UInt_t));
95ec17e6 313
95ec17e6 314
315 for (Int_t iword = 0; iword < patchbusRDL; iword++)
316 {
317 buffer[iword] = busPatch[busno][iword];
318 }
319
320 outfile.write((char*)buffer,patchbusRDL*sizeof(UInt_t));
0a666212 321
322 } // End of patch bus loop
323
324
325 // Adding a padding word if the total words odd
326 if (remainder == 1)
327 {
328 UInt_t paddingWord = dspHeader.GetDefaultPaddingWord();
329 outfile.write((char*)(&paddingWord),sizeof(UInt_t));
95ec17e6 330 }
331 }
332 }
0a666212 333
a4e4efaa 334 // Write real data header
335 // take the pointer to the beginning of the data header
28328eeb 336 // write the total number of words per ddl and bring the
337 // pointer to the current file position and close it
338 UInt_t cFPosition = outfile.tellp();
a4e4efaa 339 sizeRawData = cFPosition - bHPosition - sizeof(header);
95ec17e6 340
a4e4efaa 341 header.fSize = cFPosition - bHPosition;
342 header.SetAttribute(0); // valid data
28328eeb 343 outfile.seekp(bHPosition);
a4e4efaa 344 outfile.write((char*)(&header),sizeof(header));
28328eeb 345 outfile.seekp(cFPosition);
346
347 outfile.close();
348 } // DDL Loop over
349
350
351}
352//____________________________________________________________________________
95ec17e6 353void AliPMDDDLRawData::GetUMDigitsData(TTree *treeD, Int_t imodule,
354 Int_t ddlno, Int_t *contentsBus,
355 UInt_t busPatch[][1536])
28328eeb 356{
e54787da 357 // Retrives digits data UnitModule by UnitModule
cff75ba7 358 UInt_t baseword;
28328eeb 359 UInt_t mcmno, chno;
360 UInt_t adc;
28328eeb 361 Int_t det, smn, irow, icol;
a98f9d26 362 Int_t parity;
28328eeb 363
95ec17e6 364 const Int_t kMaxBus = 50;
365 Int_t totPatchBus, bPatchBus, ePatchBus;
366 Int_t ibus, totmcm, rows, cols, rowe, cole;
367 Int_t moduleno;
368 Int_t busno = 0;
369 Int_t patchBusNo[kMaxBus], mcmperBus[kMaxBus];
370 Int_t startRowBus[kMaxBus], startColBus[kMaxBus];
371 Int_t endRowBus[kMaxBus], endColBus[kMaxBus];
372
373 Int_t beginPatchBus = -1;
374 Int_t endPatchBus = -1;
375 for(Int_t i = 0; i < kMaxBus; i++)
376 {
377 patchBusNo[i] = -1;
378 mcmperBus[i] = -1;
379 startRowBus[i] = -1;
380 startColBus[i] = -1;
381 endRowBus[i] = -1;
382 endColBus[i] = -1;
383 }
384 Int_t modulePerDDL = 0;
385 if (ddlno < 4)
386 {
387 modulePerDDL = 6;
388 }
389 else if (ddlno == 4 || ddlno == 5)
390 {
391 modulePerDDL = 12;
392 }
393
394
395
396
397
398 TString fileName(gSystem->Getenv("ALICE_ROOT"));
399
400 if(ddlno == 0)
401 {
402 fileName += "/PMD/PMD_Mapping_ddl0.dat";
403 }
404 else if(ddlno == 1)
405 {
406 fileName += "/PMD/PMD_Mapping_ddl1.dat";
407 }
408 else if(ddlno == 2)
409 {
410 fileName += "/PMD/PMD_Mapping_ddl2.dat";
411 }
412 else if(ddlno == 3)
413 {
414 fileName += "/PMD/PMD_Mapping_ddl3.dat";
415 }
416 else if(ddlno == 4)
417 {
418 fileName += "/PMD/PMD_Mapping_ddl4.dat";
419 }
420 else if(ddlno == 5)
421 {
422 fileName += "/PMD/PMD_Mapping_ddl5.dat";
423 }
424
425 ifstream infile;
426 infile.open(fileName.Data(), ios::in); // ascii file
427 if(!infile)
428 AliError(Form("Could not read the mapping file for DDL No = %d",ddlno));
429
430 for (Int_t im = 0; im < modulePerDDL; im++)
431 {
432 infile >> moduleno;
433 infile >> totPatchBus >> bPatchBus >> ePatchBus;
434
435 if (moduleno == imodule)
436 {
437 beginPatchBus = bPatchBus;
438 endPatchBus = ePatchBus;
439 }
440
441 for(Int_t i=0; i<totPatchBus; i++)
442 {
443 infile >> ibus >> totmcm >> rows >> rowe >> cols >> cole;
444
445 if (moduleno == imodule)
446 {
447 patchBusNo[ibus] = ibus;
448 mcmperBus[ibus] = totmcm;
449 startRowBus[ibus] = rows;
450 startColBus[ibus] = cols;
451 endRowBus[ibus] = rowe;
452 endColBus[ibus] = cole;
453 }
454 }
455
456 }
457
458 infile.close();
459
28328eeb 460 treeD->GetEntry(imodule);
461 Int_t nentries = fDigits->GetLast();
95ec17e6 462 Int_t totword = nentries+1;
28328eeb 463
0a666212 464 AliPMDdigit *pmddigit;
a48edddd 465
28328eeb 466 for (Int_t ient = 0; ient < totword; ient++)
467 {
0a666212 468 pmddigit = (AliPMDdigit*)fDigits->UncheckedAt(ient);
28328eeb 469
0a666212 470 det = pmddigit->GetDetector();
471 smn = pmddigit->GetSMNumber();
472 irow = pmddigit->GetRow();
473 icol = pmddigit->GetColumn();
474 adc = (UInt_t) pmddigit->GetADC();
28328eeb 475
e54787da 476 TransformS2H(smn,irow,icol);
95ec17e6 477
478 GetMCMCh(ddlno, irow, icol, beginPatchBus, endPatchBus,
479 mcmperBus, startRowBus, startColBus,
480 endRowBus, endColBus, busno, mcmno, chno);
28328eeb 481
28328eeb 482 baseword = 0;
cff75ba7 483 AliBitPacking::PackWord(adc,baseword,0,11);
484 AliBitPacking::PackWord(chno,baseword,12,17);
485 AliBitPacking::PackWord(mcmno,baseword,18,28);
486 AliBitPacking::PackWord(0,baseword,29,30);
a98f9d26 487 parity = ComputeParity(baseword); // generate the parity bit
488 AliBitPacking::PackWord(parity,baseword,31,31);
95ec17e6 489
490 Int_t jj = contentsBus[busno];
491 busPatch[busno][jj] = baseword;
492
493 contentsBus[busno]++;
28328eeb 494 }
495
e54787da 496}
95ec17e6 497
e54787da 498//____________________________________________________________________________
499void AliPMDDDLRawData::TransformS2H(Int_t smn, Int_t &irow, Int_t &icol)
500{
501 // Does the Software to Hardware coordinate transformation
502 //
95ec17e6 503
e54787da 504 Int_t irownew = 0;
505 Int_t icolnew = 0;
e54787da 506
507 // First in digits we have all dimension 48x96
95ec17e6 508 // Transform into the realistic one, i.e, For SM 0&1 96(row)x48(col)
509 // and for SM 2&3 48(row)x96(col)
e54787da 510 //
511 if(smn < 12)
512 {
95ec17e6 513 irownew = icol;
514 icolnew = irow;
e54787da 515 }
516 else if( smn >= 12 && smn < 24)
517 {
95ec17e6 518 irownew = irow;
519 icolnew = icol;
e54787da 520 }
521
95ec17e6 522 // In the new geometry always Geant (0,0) and Hardware (0,0) start
523 // from the top left corner
524
e54787da 525 irow = irownew;
526 icol = icolnew;
28328eeb 527
528}
e54787da 529
530
28328eeb 531//____________________________________________________________________________
e54787da 532
95ec17e6 533void AliPMDDDLRawData::GetMCMCh(Int_t ddlno, Int_t row, Int_t col,
534 Int_t beginPatchBus, Int_t endPatchBus,
535 Int_t *mcmperBus,
536 Int_t *startRowBus, Int_t *startColBus,
537 Int_t *endRowBus, Int_t *endColBus,
538 Int_t & busno, UInt_t &mcmno, UInt_t &chno)
28328eeb 539{
9ac124a2 540 // This converts row col to hardware channel number
541 // This is the final version of mapping supplied by Mriganka
542
543 static const UInt_t kCh[16][4] = { {56, 58, 59, 57},
544 {54, 62, 61, 53},
545 {52, 60, 63, 51},
546 {48, 50, 55, 49},
547 {46, 40, 45, 47},
548 {44, 32, 35, 43},
549 {42, 34, 33, 41},
550 {38, 36, 37, 39},
551 {24, 26, 27, 25},
552 {22, 30, 29, 21},
553 {20, 28, 31, 19},
554 {16, 18, 23, 17},
555 {14, 8, 13, 15},
556 {12, 0, 3, 11},
557 {10, 2, 1, 9},
558 {6, 4, 5, 7} };
28328eeb 559
95ec17e6 560 Int_t irownew = row%16;
561 Int_t icolnew = col%4;
562
563 chno = kCh[irownew][icolnew];
28328eeb 564
28328eeb 565
95ec17e6 566 for (Int_t ibus = beginPatchBus; ibus <= endPatchBus; ibus++)
567 {
568 Int_t srow = startRowBus[ibus];
569 Int_t erow = endRowBus[ibus];
570 Int_t scol = startColBus[ibus];
571 Int_t ecol = endColBus[ibus];
572 Int_t tmcm = mcmperBus[ibus];
573 if ((row >= srow && row <= erow) && (col >= scol && col <= ecol))
a4e4efaa 574 {
95ec17e6 575 busno = ibus;
28328eeb 576
95ec17e6 577 // Find out the MCM Number
578 //
579
580 if (ddlno == 0 || ddlno == 1)
581 {
582 // PRE plane, SU Mod = 0, 1
583 Int_t rowdiff = endRowBus[ibus] - startRowBus[ibus];
584 if(rowdiff > 16)
585 {
586 Int_t midrow = srow + 16;
587 if(row >= srow && row < midrow)
588 {
589 mcmno = 12 + (col-scol)/4;
590 }
591 else if(row >= midrow && row < erow)
592 {
593 mcmno = (col-scol)/4;
594 }
595 }
596 else
597 {
598 mcmno = (col-scol)/4;
599 }
600 } // end of ddl 0 and 1
601 else if (ddlno == 2)
602 {
603 // PRE plane, SU Mod = 2
604
605 Int_t icolnew = (col - scol)/4;
606 mcmno = tmcm - 1 - icolnew;
607 }
608 else if (ddlno == 3)
609 {
610 // PRE plane, SU Mod = 3
611
612 Int_t icolnew = (col - scol)/4;
613 mcmno = tmcm - 1 - icolnew;
614 }
615 else if (ddlno == 4)
616 {
617 // CPV plane, SU Mod = 0, 3 : ddl = 4
618
619 if(ibus <= 20)
620 {
621 Int_t rowdiff = endRowBus[ibus] - startRowBus[ibus];
622 if(rowdiff > 16)
623 {
624 Int_t midrow = srow + 16;
625 if(row >= srow && row < midrow)
626 {
627 mcmno = 12 + (col-scol)/4;
628 }
629 else if(row >= midrow && row < erow)
630 {
631 mcmno = (col-scol)/4;
632 }
633 }
634 else
635 {
636 mcmno = (col-scol)/4;
637 }
638 }
639 else if (ibus > 20)
640 {
641 Int_t icolnew = (col - scol)/4;
642 mcmno = tmcm - 1 - icolnew;
643 }
644 }
645 else if (ddlno == 5)
646 {
647 // CPV plane, SU Mod = 2, 1 : ddl = 5
648
649 if(ibus <= 20)
650 {
651 Int_t rowdiff = endRowBus[ibus] - startRowBus[ibus];
652 if(rowdiff > 16)
653 {
654 Int_t midrow = srow + 16;
655 if(row >= srow && row < midrow)
656 {
657 mcmno = 12 + (col-scol)/4;
658 }
659 else if(row >= midrow && row < erow)
660 {
661 mcmno = (col-scol)/4;
662 }
663 }
664 else
665 {
666 mcmno = (col-scol)/4;
667 }
668 }
669 else if (ibus > 20)
670 {
671 Int_t icolnew = (col - scol)/4;
672 mcmno = tmcm - 1 - icolnew;
673 }
674 }
675 }
676 }
677
28328eeb 678}
679//____________________________________________________________________________
680
a98f9d26 681Int_t AliPMDDDLRawData::ComputeParity(UInt_t baseword)
682{
683 // Generate the parity bit
684
685 Int_t count = 0;
686 for(Int_t j=0; j<29; j++)
687 {
688 if (baseword & 0x01 ) count++;
689 baseword >>= 1;
690 }
691 Int_t parity = count%2;
692 return parity;
693}
694
695//____________________________________________________________________________
696