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                                 if (data->GetMode())
 142                                         (static_cast<AliEMCALTriggerTRU*>(fTRU->At(iTRU)))->SetADC(iADC, time, 4 * amp);
 143                                 else
 144                                         (static_cast<AliEMCALTriggerTRU*>(fTRU->At(iTRU)))->SetADC(iADC, time,     amp);
 145                         }
 146                 }
 147
 148                 if (fGeometry->GetPositionInEMCALFromAbsFastORIndex(id, px, py)) posMap[px][py] = i;
 149         }
 150
 151         Int_t iL0 = 0;
 152
 153         Int_t timeL0[kNTRU] = {0}, timeL0min = 999;
 154
 155         for (Int_t i = 0; i < kNTRU; i++)
 156         {
 157                 AliEMCALTriggerTRU *iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 158                 if (!iTRU) continue;
 159
 160                 AliDebug(999, Form("===========< TRU %2d >============", i));
 161
 162                 if (iTRU->L0()) // L0 recomputation: *ALWAYS* done from FALTRO
 163                 {
 164                         iL0++;
 165
 166                         timeL0[i] = iTRU->GetL0Time();
 167
 168                         if (!timeL0[i]) AliWarning(Form("TRU# %d has 0 trigger time",i));
 169
 170                         if (timeL0[i] < timeL0min) timeL0min = timeL0[i];
 171
 172                         data->SetL0Trigger(0, i, 1); // TRU# i has issued a L0
 173                 }
 174                 else
 175                         data->SetL0Trigger(0, i, 0);
 176         }
 177
 178         AliDebug(999, Form("=== %2d TRU (out of %2d) has issued a L0 / Min L0 time: %d", iL0, fTRU->GetEntriesFast(), timeL0min));
 179
 180         AliEMCALTriggerRawDigit* dig = 0x0;
 181
 182         if (iL0 && (!data->GetMode() || !fSTU->GetDCSConfig()->GetRawData()))
 183         {
 184                 // Update digits after L0 calculation
 185                 for (Int_t i = 0; i < kNTRU; i++)
 186                 {
 187                         AliEMCALTriggerTRU *iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 188                         if (!iTRU) continue;
 189
 190                         Int_t reg[24][4];
 191                         for (int j = 0; j < 24; j++) for (int k = 0; k < 4; k++) reg[j][k] = 0;
 192
 193                         iTRU->GetL0Region(timeL0min, reg);
 194
 195                         for (int j = 0; j < iTRU->RegionSize()->X(); j++)
 196                         {
 197                                 for (int k = 0; k < iTRU->RegionSize()->Y(); k++)
 198                                 {
 199                                         if (reg[j][k]
 200                                                 &&
 201                                                 fGeometry->GetAbsFastORIndexFromPositionInTRU(i, j, k, id)
 202                                                 &&
 203                                                 fGeometry->GetPositionInEMCALFromAbsFastORIndex(id, px, py))
 204                                         {
 205                                                 pos = posMap[px][py];
 206
 207                                                 if (pos == -1)
 208                                                 {
 209                                                         // Add a new digit
 210                                                         posMap[px][py] = digits->GetEntriesFast();
 211
 212                                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 213
 214                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 215                                                 }
 216                                                 else
 217                                                 {
 218                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 219                                                 }
 220
 221                                                 // 14b to 12b STU time sums
 222                                                 reg[j][k] >>= 2;
 223
 224                                                 dig->SetL1TimeSum(reg[j][k]);
 225                                         }
 226                                 }
 227                         }
 228                 }
 229         }
 230
 231         if (iL0 && !data->GetMode())
 232         {
 233                 for (Int_t i = 0; i < kNTRU; i++)
 234                 {
 235                         AliEMCALTriggerTRU *iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 236                         if (!iTRU) continue;
 237
 238                         AliDebug(999, Form("=== TRU# %2d found %d patches", i, (iTRU->Patches()).GetEntriesFast()));
 239
 240                         TIter next(&iTRU->Patches());
 241                         while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)next())
 242                         {
 243                                 p->Position(px, py);
 244
 245                                 // Local 2 Global
 246                                 if (fGeometry->GetAbsFastORIndexFromPositionInTRU(i, px, py, id)
 247                                         &&
 248                                         fGeometry->GetPositionInEMCALFromAbsFastORIndex(id, px, py)) p->SetPosition(px, py);
 249
 250                                 if (AliDebugLevel()) p->Print("");
 251
 252                                 Int_t peaks = p->Peaks();
 253
 254                                 Int_t sizeX = (Int_t) ((iTRU->PatchSize())->X() * (iTRU->SubRegionSize())->X());
 255                                 Int_t sizeY = (Int_t) ((iTRU->PatchSize())->Y() * (iTRU->SubRegionSize())->Y());
 256
 257                                 for (Int_t j = 0; j < sizeX * sizeY; j++)
 258                                 {
 259                                         if (peaks & (1 << j))
 260                                         {
 261                                                 pos = posMap[px + j % sizeX][py + j / sizeX];
 262
 263                                                 if (pos == -1) {
 264                                                         // Add a new digit
 265                                                         posMap[px + j % sizeX][py + j / sizeX] = digits->GetEntriesFast();
 266
 267                                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 268
 269                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 270                                                 } else {
 271                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 272                                                 }
 273
 274                                                 dig->SetL0Time(p->Time());
 275                                         }
 276                                 }
 277
 278                                 pos = posMap[px][py];
 279
 280                                 if (pos == -1) {
 281                                         // Add a new digit
 282                                         posMap[px][py] = digits->GetEntriesFast();
 283
 284                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 285
 286                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 287
 288                                 }
 289                                 else
 290                                 {
 291                                         dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 292                                 }
 293
 294                                 dig->SetTriggerBit(kL0, 0);
 295                         }
 296                 }
 297         }
 298
 299         // Prepare STU for L1 calculation
 300         for (int i = 0; i < (fSTU->RegionSize())->X(); i++) {
 301                 for (int j = 0; j < (fSTU->RegionSize())->Y(); j++) {
 302
 303                         pos = posMap[i][j];
 304
 305                         if (pos >= 0) {
 306
 307                                 AliEMCALTriggerRawDigit *digit = (AliEMCALTriggerRawDigit*)digits->At(pos);
 308
 309                                 if (digit->GetL1TimeSum() > -1) region[i][j] = digit->GetL1TimeSum();
 310                         }
 311                 }
 312         }
 313
 314         AliDebug(999,"==================== STU  ====================");
 315         if (AliDebugLevel() >= 999) fSTU->Scan();
 316         AliDebug(999,"==============================================");
 317
 318         fSTU->SetRegion(region);
 319
 320         if (data->GetMode())
 321         {
 322                 for (int ithr = 0; ithr < 2; ithr++) {
 323                         AliDebug(999, Form(" THR %d / EGA %d / EJE %d", ithr, data->GetL1GammaThreshold(ithr), data->GetL1JetThreshold(ithr)));
 324
 325                         fSTU->SetThreshold(kL1GammaHigh + ithr, data->GetL1GammaThreshold(ithr));
 326                         fSTU->SetThreshold(kL1JetHigh + ithr, data->GetL1JetThreshold(  ithr));
 327                 }
 328         }
 329         else
 330         {
 331                 for (int ithr = 0; ithr < 2; ithr++) {
 332                         //
 333                         fSTU->ComputeThFromV0(kL1GammaHigh + ithr, V0M);
 334                         data->SetL1GammaThreshold(ithr, fSTU->GetThreshold(kL1GammaHigh + ithr));
 335
 336                         fSTU->ComputeThFromV0(kL1JetHigh + ithr,   V0M);
 337                         data->SetL1JetThreshold(ithr, fSTU->GetThreshold(kL1JetHigh + ithr)  );
 338
 339                         AliDebug(999, Form("STU THR %d EGA %d EJE %d", ithr, fSTU->GetThreshold(kL1GammaHigh + ithr), fSTU->GetThreshold(kL1JetHigh + ithr)));
 340                 }
 341         }
 342
 343         for (int ithr = 0; ithr < 2; ithr++) {
 344                 //
 345                 fSTU->Reset();
 346
 347                 fSTU->L1(kL1GammaHigh + ithr);
 348
 349                 TIterator* nP = 0x0;
 350
 351                 nP = (fSTU->Patches()).MakeIterator();
 352
 353                 AliDebug(999, Form("=== STU found %d gamma patches", (fSTU->Patches()).GetEntriesFast()));
 354
 355                 while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)nP->Next())
 356                 {
 357                         p->Position(px, py);
 358
 359                         if (AliDebugLevel()) p->Print("");
 360
 361                         if (fGeometry->GetAbsFastORIndexFromPositionInEMCAL(px, py, id))
 362                         {
 363                                 if (posMap[px][py] == -1)
 364                                 {
 365                                         posMap[px][py] = digits->GetEntriesFast();
 366
 367                                         // Add a new digit
 368                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 369
 370                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 371                                 }
 372                                 else
 373                                 {
 374                                         dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[px][py]);
 375                                 }
 376
 377                                 if (AliDebugLevel()) dig->Print("");
 378
 379                                 dig->SetTriggerBit(kL1GammaHigh + ithr, 0);
 380                         }
 381                 }
 382
 383                 fSTU->Reset();
 384
 385                 fSTU->L1(kL1JetHigh + ithr);
 386
 387                 nP = (fSTU->Patches()).MakeIterator();
 388
 389                 AliDebug(999, Form("=== STU found %d jet patches", (fSTU->Patches()).GetEntriesFast()));
 390
 391                 while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)nP->Next())
 392                 {
 393                         p->Position(px, py);
 394
 395                         if (AliDebugLevel()) p->Print("");
 396
 397                         if (fGeometry->GetAbsFastORIndexFromPositionInEMCAL(px, py, id))
 398                         {
 399                                 if (posMap[px][py] == -1)
 400                                 {
 401                                         posMap[px][py] = digits->GetEntriesFast();
 402
 403                                         // Add a new digit
 404                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 405
 406                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 407                                 }
 408                                 else
 409                                 {
 410                                         dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[px][py]);
 411                                 }
 412
 413                                 if (AliDebugLevel()) dig->Print("");
 414
 415                                 dig->SetTriggerBit(kL1JetHigh + ithr, 0);
 416                         }
 417                 }
 418         }
 419
 420         // Now reset the electronics for a fresh start with next event
 421         Reset();
 422 }
 423
 424 //__________________
 425 void AliEMCALTriggerElectronics::Reset()
 426 {
 427         // Reset
 428
 429         TIter nextTRU(fTRU);
 430         while ( AliEMCALTriggerTRU *TRU = (AliEMCALTriggerTRU*)nextTRU() ) TRU->Reset();
 431
 432         fSTU->Reset();
 433 }