EMCAL/AliEMCALTriggerElectronics.cxx

   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 /*
  17
  18
  19 EMCal trigger electronics manager L0/L1
  20 can handle both simulated digits and raw data
  21 Author: R. GUERNANE LPSC Grenoble CNRS/IN2P3
  22 */
  23
  24 #include "AliEMCALTriggerElectronics.h"
  25 #include "AliEMCALTriggerTRU.h"
  26 #include "AliEMCALTriggerSTU.h"
  27 #include "AliEMCALGeometry.h"
  28 #include "AliRunLoader.h"
  29 #include "AliEMCAL.h"
  30 #include "AliRun.h"
  31 #include "AliEMCALTriggerDCSConfig.h"
  32 #include "AliEMCALTriggerData.h"
  33 #include "AliEMCALDigit.h"
  34 #include "AliCaloRawStreamV3.h"
  35 #include "AliEMCALTriggerSTURawStream.h"
  36 #include "AliEMCALDigit.h"
  37 #include "AliEMCALTriggerRawDigit.h"
  38 #include "AliEMCALTriggerPatch.h"
  39 #include "AliEMCALTriggerSTUDCSConfig.h"
  40
  41 #include <TVector2.h>
  42
  43 namespace
  44 {
  45         const Int_t kNTRU = 32;
  46 }
  47
  48 ClassImp(AliEMCALTriggerElectronics)
  49
  50 //__________________
  51 AliEMCALTriggerElectronics::AliEMCALTriggerElectronics(const AliEMCALTriggerDCSConfig *dcsConf) : TObject(),
  52 fTRU(new TClonesArray("AliEMCALTriggerTRU",32)),
  53 fSTU(0x0),
  54 fGeometry(0)
  55 {
  56         // Ctor
  57
  58         TVector2 rSize;
  59
  60         rSize.Set( 24.,  4. );
  61
  62         AliRunLoader *rl = AliRunLoader::Instance();
  63         if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL")) {
  64                 AliEMCAL *emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
  65                 if (emcal) fGeometry = emcal->GetGeometry();
  66         }
  67
  68         if (!fGeometry) {
  69                 fGeometry =  AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
  70                 AliError("Cannot access geometry, create a new default one!");
  71         }
  72
  73         // 32 TRUs
  74         for (Int_t i = 0; i < kNTRU; i++) {
  75                 AliEMCALTriggerTRUDCSConfig *truConf = dcsConf->GetTRUDCSConfig(fGeometry->GetOnlineIndexFromTRUIndex(i));
  76                 if (truConf) new ((*fTRU)[i]) AliEMCALTriggerTRU(truConf, rSize, i % 2);
  77         }
  78
  79         rSize.Set( 48., 64. );
  80
  81         // 1 STU
  82         AliEMCALTriggerSTUDCSConfig* stuConf = dcsConf->GetSTUDCSConfig();
  83         fSTU = new AliEMCALTriggerSTU(stuConf, rSize);
  84
  85         TString str = "map";
  86         for (Int_t i = 0; i < kNTRU; i++) {
  87                 AliEMCALTriggerTRU *iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
  88                 if (!iTRU) continue;
  89
  90                 fSTU->Build(str,
  91                                         i,
  92                                         iTRU->Map(),
  93                                         iTRU->RegionSize()
  94                                         );
  95         }
  96 }
  97
  98 //________________
  99 AliEMCALTriggerElectronics::~AliEMCALTriggerElectronics()
 100 {
 101         // Dtor
 102
 103         fTRU->Delete();
 104         delete fSTU;
 105 }
 106
 107 //__________________
 108 void AliEMCALTriggerElectronics::Digits2Trigger(TClonesArray* digits, const Int_t V0M[], AliEMCALTriggerData* data)
 109 {
 110         // Digits to trigger
 111
 112         Int_t pos, px, py, id;
 113
 114         Int_t region[48][64], posMap[48][64];
 115         for (Int_t i = 0; i < 48; i++) for (Int_t j = 0; j < 64; j++)
 116         {
 117                 region[i][j] =  0;
 118                 posMap[i][j] = -1;
 119         }
 120
 121         for (Int_t i = 0; i < digits->GetEntriesFast(); i++)
 122         {
 123                 AliEMCALTriggerRawDigit* digit = (AliEMCALTriggerRawDigit*)digits->At(i);
 124
 125                 id = digit->GetId();
 126
 127                 Int_t iTRU, iADC;
 128
 129                 Bool_t isOK1 = fGeometry->GetTRUFromAbsFastORIndex(id, iTRU, iADC);
 130
 131                 if (!isOK1) continue;
 132
 133                 for (Int_t j = 0; j < digit->GetNSamples(); j++)
 134                 {
 135                         Int_t time, amp;
 136                         Bool_t isOK2 = digit->GetTimeSample(j, time, amp);
 137
 138                         if (isOK1 && isOK2 && amp) {
 139                                 AliDebug(999, Form("=== TRU# %2d ADC# %2d time# %2d signal %d ===", iTRU, iADC, time, amp));
 140
 141                                 AliEMCALTriggerTRU * etr = (static_cast<AliEMCALTriggerTRU*>(fTRU->At(iTRU)));
 142                                 if (etr) {
 143                                   if (data->GetMode())
 144                                     etr->SetADC(iADC, time, 4 * amp);
 145                                   else
 146                                     etr->SetADC(iADC, time,     amp);
 147                                 }
 148                         }
 149                 }
 150
 151                 if (fGeometry->GetPositionInEMCALFromAbsFastORIndex(id, px, py)) posMap[px][py] = i;
 152         }
 153
 154         Int_t iL0 = 0;
 155
 156         Int_t timeL0[kNTRU] = {0}, timeL0min = 999;
 157
 158         for (Int_t i = 0; i < kNTRU; i++)
 159         {
 160                 AliEMCALTriggerTRU *iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 161                 if (!iTRU) continue;
 162
 163                 AliDebug(999, Form("===========< TRU %2d >============", i));
 164
 165                 if (iTRU->L0()) // L0 recomputation: *ALWAYS* done from FALTRO
 166                 {
 167                         iL0++;
 168
 169                         timeL0[i] = iTRU->GetL0Time();
 170
 171                         if (!timeL0[i]) AliWarning(Form("TRU# %d has 0 trigger time",i));
 172
 173                         if (timeL0[i] < timeL0min) timeL0min = timeL0[i];
 174
 175                         data->SetL0Trigger(0, i, 1); // TRU# i has issued a L0
 176                 }
 177                 else
 178                         data->SetL0Trigger(0, i, 0);
 179         }
 180
 181         AliDebug(999, Form("=== %2d TRU (out of %2d) has issued a L0 / Min L0 time: %d", iL0, fTRU->GetEntriesFast(), timeL0min));
 182
 183         AliEMCALTriggerRawDigit* dig = 0x0;
 184
 185         if (iL0 && (!data->GetMode() || !fSTU->GetDCSConfig()->GetRawData()))
 186         {
 187                 // Update digits after L0 calculation
 188                 for (Int_t i = 0; i < kNTRU; i++)
 189                 {
 190                         AliEMCALTriggerTRU *iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 191                         if (!iTRU) continue;
 192
 193                         Int_t reg[24][4];
 194                         for (int j = 0; j < 24; j++) for (int k = 0; k < 4; k++) reg[j][k] = 0;
 195
 196                         iTRU->GetL0Region(timeL0min, reg);
 197
 198                         for (int j = 0; j < iTRU->RegionSize()->X(); j++)
 199                         {
 200                                 for (int k = 0; k < iTRU->RegionSize()->Y(); k++)
 201                                 {
 202                                         if (reg[j][k]
 203                                                 &&
 204                                                 fGeometry->GetAbsFastORIndexFromPositionInTRU(i, j, k, id)
 205                                                 &&
 206                                                 fGeometry->GetPositionInEMCALFromAbsFastORIndex(id, px, py))
 207                                         {
 208                                                 pos = posMap[px][py];
 209
 210                                                 if (pos == -1)
 211                                                 {
 212                                                         // Add a new digit
 213                                                         posMap[px][py] = digits->GetEntriesFast();
 214
 215                                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 216
 217                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 218                                                 }
 219                                                 else
 220                                                 {
 221                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 222                                                 }
 223
 224                                                 // 14b to 12b STU time sums
 225                                                 reg[j][k] >>= 2;
 226
 227                                                 dig->SetL1TimeSum(reg[j][k]);
 228                                         }
 229                                 }
 230                         }
 231                 }
 232         }
 233
 234         if (iL0 && !data->GetMode())
 235         {
 236                 for (Int_t i = 0; i < kNTRU; i++)
 237                 {
 238                         AliEMCALTriggerTRU *iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 239                         if (!iTRU) continue;
 240
 241                         AliDebug(999, Form("=== TRU# %2d found %d patches", i, (iTRU->Patches()).GetEntriesFast()));
 242
 243                         TIter next(&iTRU->Patches());
 244                         while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)next())
 245                         {
 246                                 p->Position(px, py);
 247
 248                                 // Local 2 Global
 249                                 if (fGeometry->GetAbsFastORIndexFromPositionInTRU(i, px, py, id)
 250                                         &&
 251                                         fGeometry->GetPositionInEMCALFromAbsFastORIndex(id, px, py)) p->SetPosition(px, py);
 252
 253                                 if (AliDebugLevel()) p->Print("");
 254
 255                                 Int_t peaks = p->Peaks();
 256
 257                                 Int_t sizeX = (Int_t) ((iTRU->PatchSize())->X() * (iTRU->SubRegionSize())->X());
 258                                 Int_t sizeY = (Int_t) ((iTRU->PatchSize())->Y() * (iTRU->SubRegionSize())->Y());
 259
 260                                 for (Int_t j = 0; j < sizeX * sizeY; j++)
 261                                 {
 262                                         if (peaks & (1 << j))
 263                                         {
 264                                                 pos = posMap[px + j % sizeX][py + j / sizeX];
 265
 266                                                 if (pos == -1) {
 267                                                         // Add a new digit
 268                                                         posMap[px + j % sizeX][py + j / sizeX] = digits->GetEntriesFast();
 269
 270                                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 271
 272                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 273                                                 } else {
 274                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 275                                                 }
 276
 277                                                 dig->SetL0Time(p->Time());
 278                                         }
 279                                 }
 280
 281                                 pos = posMap[px][py];
 282
 283                                 if (pos == -1) {
 284                                         // Add a new digit
 285                                         posMap[px][py] = digits->GetEntriesFast();
 286
 287                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 288
 289                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 290
 291                                 }
 292                                 else
 293                                 {
 294                                         dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 295                                 }
 296
 297                                 dig->SetTriggerBit(kL0, 0);
 298                         }
 299                 }
 300         }
 301
 302         // Prepare STU for L1 calculation
 303         for (int i = 0; i < (fSTU->RegionSize())->X(); i++) {
 304                 for (int j = 0; j < (fSTU->RegionSize())->Y(); j++) {
 305
 306                         pos = posMap[i][j];
 307
 308                         if (pos >= 0) {
 309
 310                                 AliEMCALTriggerRawDigit *digit = (AliEMCALTriggerRawDigit*)digits->At(pos);
 311
 312                                 if (digit->GetL1TimeSum() > -1) region[i][j] = digit->GetL1TimeSum();
 313                         }
 314                 }
 315         }
 316
 317         AliDebug(999,"==================== STU  ====================");
 318         if (AliDebugLevel() >= 999) fSTU->Scan();
 319         AliDebug(999,"==============================================");
 320
 321         fSTU->SetRegion(region);
 322
 323         if (data->GetMode())
 324         {
 325                 for (int ithr = 0; ithr < 2; ithr++) {
 326                         AliDebug(999, Form(" THR %d / EGA %d / EJE %d", ithr, data->GetL1GammaThreshold(ithr), data->GetL1JetThreshold(ithr)));
 327
 328                         fSTU->SetThreshold(kL1GammaHigh + ithr, data->GetL1GammaThreshold(ithr));
 329                         fSTU->SetThreshold(kL1JetHigh + ithr, data->GetL1JetThreshold(  ithr));
 330                 }
 331         }
 332         else
 333         {
 334                 for (int ithr = 0; ithr < 2; ithr++) {
 335                         //
 336                         fSTU->ComputeThFromV0(kL1GammaHigh + ithr, V0M);
 337                         data->SetL1GammaThreshold(ithr, fSTU->GetThreshold(kL1GammaHigh + ithr));
 338
 339                         fSTU->ComputeThFromV0(kL1JetHigh + ithr,   V0M);
 340                         data->SetL1JetThreshold(ithr, fSTU->GetThreshold(kL1JetHigh + ithr)  );
 341
 342                         AliDebug(999, Form("STU THR %d EGA %d EJE %d", ithr, fSTU->GetThreshold(kL1GammaHigh + ithr), fSTU->GetThreshold(kL1JetHigh + ithr)));
 343                 }
 344         }
 345
 346         for (int ithr = 0; ithr < 2; ithr++) {
 347                 //
 348                 fSTU->Reset();
 349
 350                 fSTU->L1(kL1GammaHigh + ithr);
 351
 352                 TIterator* nP = 0x0;
 353
 354                 nP = (fSTU->Patches()).MakeIterator();
 355
 356                 AliDebug(999, Form("=== STU found %d gamma patches", (fSTU->Patches()).GetEntriesFast()));
 357
 358                 while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)nP->Next())
 359                 {
 360                         p->Position(px, py);
 361
 362                         if (AliDebugLevel()) p->Print("");
 363
 364                         if (fGeometry->GetAbsFastORIndexFromPositionInEMCAL(px, py, id))
 365                         {
 366                                 if (posMap[px][py] == -1)
 367                                 {
 368                                         posMap[px][py] = digits->GetEntriesFast();
 369
 370                                         // Add a new digit
 371                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 372
 373                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 374                                 }
 375                                 else
 376                                 {
 377                                         dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[px][py]);
 378                                 }
 379
 380                                 if (AliDebugLevel()) dig->Print("");
 381
 382                                 dig->SetTriggerBit(kL1GammaHigh + ithr, 0);
 383                         }
 384                 }
 385
 386                 fSTU->Reset();
 387
 388                 fSTU->L1(kL1JetHigh + ithr);
 389
 390                 nP = (fSTU->Patches()).MakeIterator();
 391
 392                 AliDebug(999, Form("=== STU found %d jet patches", (fSTU->Patches()).GetEntriesFast()));
 393
 394                 while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)nP->Next())
 395                 {
 396                         p->Position(px, py);
 397
 398                         if (AliDebugLevel()) p->Print("");
 399
 400                         if (fGeometry->GetAbsFastORIndexFromPositionInEMCAL(px, py, id))
 401                         {
 402                                 if (posMap[px][py] == -1)
 403                                 {
 404                                         posMap[px][py] = digits->GetEntriesFast();
 405
 406                                         // Add a new digit
 407                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 408
 409                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 410                                 }
 411                                 else
 412                                 {
 413                                         dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[px][py]);
 414                                 }
 415
 416                                 if (AliDebugLevel()) dig->Print("");
 417
 418                                 dig->SetTriggerBit(kL1JetHigh + ithr, 0);
 419                         }
 420                 }
 421         }
 422
 423         // Now reset the electronics for a fresh start with next event
 424         Reset();
 425 }
 426
 427 //__________________
 428 void AliEMCALTriggerElectronics::Reset()
 429 {
 430         // Reset
 431
 432         TIter nextTRU(fTRU);
 433         while ( AliEMCALTriggerTRU *TRU = (AliEMCALTriggerTRU*)nextTRU() ) TRU->Reset();
 434
 435         fSTU->Reset();
 436 }