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 = 30;
  46 }
  47
  48 ClassImp(AliEMCALTriggerElectronics)
  49
  50 //__________________
  51 AliEMCALTriggerElectronics::AliEMCALTriggerElectronics(const AliEMCALTriggerDCSConfig *dcsConf) : TObject(),
  52 fTRU(new TClonesArray("AliEMCALTriggerTRU",32)),
  53 fSTU(0x0)
  54 {
  55         // Ctor
  56
  57         TVector2 rSize;
  58
  59         rSize.Set( 24.,  4. );
  60
  61         // 32 TRUs
  62         for (Int_t i=0;i<kNTRU;i++)
  63         {
  64                 AliEMCALTriggerTRUDCSConfig* truConf = dcsConf->GetTRUDCSConfig(i);
  65                 new ((*fTRU)[i]) AliEMCALTriggerTRU(truConf, rSize, i % 2);
  66         }
  67
  68         rSize.Set( 48., 64. );
  69
  70         // 1 STU
  71         AliEMCALTriggerSTUDCSConfig* stuConf = dcsConf->GetSTUDCSConfig();
  72         fSTU = new AliEMCALTriggerSTU(stuConf, rSize);
  73
  74         TString str = "map";
  75         for (Int_t i=0;i<kNTRU;i++) fSTU->Build(str,
  76                                                                                         i,
  77                                                                                         (static_cast<AliEMCALTriggerTRU*>(fTRU->At(i)))->Map(),
  78                                                                                         (static_cast<AliEMCALTriggerTRU*>(fTRU->At(i)))->RegionSize()
  79                                                                                     );
  80 }
  81
  82 //________________
  83 AliEMCALTriggerElectronics::~AliEMCALTriggerElectronics()
  84 {
  85         // Dtor
  86
  87         fTRU->Delete();
  88         delete fSTU;
  89 }
  90
  91 //__________________
  92 void AliEMCALTriggerElectronics::Digits2Trigger(TClonesArray* digits, const Int_t V0M[], AliEMCALTriggerData* data)
  93 {
  94         // Digits to trigger
  95
  96         AliEMCALGeometry* geom = 0x0;
  97
  98         AliRunLoader *rl = AliRunLoader::Instance();
  99         if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL")){
 100           AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
 101           if(emcal)geom = emcal->GetGeometry();
 102         }
 103
 104         if(!geom) geom =  AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
 105
 106         if(!geom) AliError("Cannot access geometry!");
 107
 108         Int_t pos, px, py, id;
 109
 110         Int_t region[48][64], posMap[48][64];
 111         for (Int_t i = 0; i < 48; i++) for (Int_t j = 0; j < 64; j++)
 112         {
 113                 region[i][j] =  0;
 114                 posMap[i][j] = -1;
 115         }
 116
 117         for (Int_t i = 0; i < digits->GetEntriesFast(); i++)
 118         {
 119                 AliEMCALTriggerRawDigit* digit = (AliEMCALTriggerRawDigit*)digits->At(i);
 120
 121                 id = digit->GetId();
 122
 123                 Int_t iTRU, iADC;
 124
 125                 Bool_t isOK1 = geom->GetTRUFromAbsFastORIndex(id, iTRU, iADC);
 126
 127                 if ((isOK1 && iTRU >= kNTRU) || !isOK1) continue;
 128
 129                 for (Int_t j = 0; j < digit->GetNSamples(); j++)
 130                 {
 131                         Int_t time, amp;
 132                         Bool_t isOK2 = digit->GetTimeSample(j, time, amp);
 133
 134                         if (isOK1 && isOK2 && amp) (static_cast<AliEMCALTriggerTRU*>(fTRU->At(iTRU)))->SetADC(iADC, time, amp);
 135                 }
 136
 137                 if (geom->GetPositionInEMCALFromAbsFastORIndex(id, px, py)) posMap[px][py] = i;
 138         }
 139
 140         Int_t iL0 = 0;
 141
 142         Int_t timeL0[kNTRU] = {0}, timeL0min = 999;
 143
 144         for (Int_t i=0; i<kNTRU; i++)
 145         {
 146                 AliDebug(999, Form("===========< TRU %2d >============\n", i));
 147
 148                 AliEMCALTriggerTRU* iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 149
 150                 if (iTRU->L0()) // L0 recomputation: *ALWAYS* done from FALTRO
 151                 {
 152                         iL0++;
 153
 154                         timeL0[i] = iTRU->GetL0Time();
 155
 156                         if (!timeL0[i]) AliWarning(Form("TRU# %d has 0 trigger time",i));
 157
 158                         if (timeL0[i] < timeL0min) timeL0min = timeL0[i];
 159
 160                         data->SetL0Trigger(0, i, 1); // TRU# i has issued a L0
 161                 }
 162                 else
 163                         data->SetL0Trigger(0, i, 0);
 164         }
 165
 166         AliDebug(999, Form("=== %2d TRU (out of %2d) has issued a L0 / Min L0 time: %d\n", iL0, kNTRU, timeL0min));
 167
 168         AliEMCALTriggerRawDigit* dig = 0x0;
 169
 170         if (iL0 && (!data->GetMode() || !fSTU->GetDCSConfig()->GetRawData()))
 171         {
 172                 // Update digits after L0 calculation
 173                 for (Int_t i = 0; i < kNTRU; i++)
 174                 {
 175                         AliEMCALTriggerTRU *iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 176
 177                         Int_t reg[24][4];
 178                         for (int j = 0; j < 24; j++) for (int k = 0; k < 4; k++) reg[j][k] = 0;
 179
 180                         iTRU->GetL0Region(timeL0min, reg);
 181
 182                         for (int j = 0; j < iTRU->RegionSize()->X(); j++)
 183                         {
 184                                 for (int k = 0; k < iTRU->RegionSize()->Y(); k++)
 185                                 {
 186                                         if (reg[j][k]
 187                                                         &&
 188                                                         geom->GetAbsFastORIndexFromPositionInTRU(i, j, k, id)
 189                                                         &&
 190                                                         geom->GetPositionInEMCALFromAbsFastORIndex(id, px, py))
 191                                         {
 192                                                 pos = posMap[px][py];
 193
 194                                                 if (pos == -1)
 195                                                 {
 196                                                         // Add a new digit
 197                                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 198
 199                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 200                                                 }
 201                                                 else
 202                                                 {
 203                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 204                                                 }
 205
 206                                                 dig->SetL1TimeSum(reg[j][k]);
 207                                         }
 208                                 }
 209                         }
 210                 }
 211         }
 212
 213         if (iL0 && !data->GetMode())
 214         {
 215                         // transform local to global
 216
 217                 for (Int_t i = 0; i < kNTRU; i++)
 218                 {
 219                         AliEMCALTriggerTRU* iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 220
 221                         TIter next(&iTRU->Patches());
 222                         while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)next())
 223                         {
 224                                 p->Position(px, py);
 225
 226                         // Local 2 Global
 227                                 if (geom->GetAbsFastORIndexFromPositionInTRU(i, px, py, id) &&
 228                                                                 geom->GetPositionInEMCALFromAbsFastORIndex(id, px, py)) p->SetPosition(px, py);
 229
 230                                 Int_t peaks = p->Peaks();
 231
 232                                 Int_t sizeX = (Int_t) ((iTRU->PatchSize())->X() * (iTRU->SubRegionSize())->X());
 233                                 Int_t sizeY = (Int_t) ((iTRU->PatchSize())->Y() * (iTRU->SubRegionSize())->Y());
 234
 235                                 for (Int_t j = 0; j < sizeX * sizeY; j++)
 236                                 {
 237                                         if (peaks & (1 << j))
 238                                         {
 239                                                 pos = posMap[px + j % sizeX][py + j / sizeX];
 240
 241                                                 if (pos == -1)
 242                                                 {
 243                                                                 // Add a new digit
 244                                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 245
 246                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 247                                                 }
 248                                                 else
 249                                                 {
 250                                                         dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 251                                                 }
 252
 253                                                 dig->SetL0Time(timeL0min);
 254                                         }
 255                                 }
 256
 257                                 pos = posMap[px][py];
 258
 259                                 if (pos == -1)
 260                                 {
 261                                                 // Add a new digit
 262                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 263
 264                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 265                                 }
 266                                 else
 267                                 {
 268                                         dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 269                                 }
 270
 271                                 dig->SetTriggerBit(kL0, 0);
 272                         }
 273                 }
 274         }
 275
 276         //
 277         // Prepare STU for L1 calculation
 278
 279         for (int i = 0; i < (fSTU->RegionSize())->X(); i++)
 280         {
 281                 for (int j = 0; j < (fSTU->RegionSize())->Y(); j++)
 282                 {
 283                         pos = posMap[i][j];
 284
 285                         if (pos >= 0)
 286                         {
 287                                 AliEMCALTriggerRawDigit *digit = (AliEMCALTriggerRawDigit*)digits->At(pos);
 288
 289                                 if (digit->GetL1TimeSum() > -1) region[i][j] = digit->GetL1TimeSum();
 290                         }
 291                 }
 292         }
 293
 294         fSTU->SetRegion(region);
 295
 296         if (data->GetMode())
 297         {
 298                 fSTU->SetThreshold(kL1Gamma, data->GetL1GammaThreshold());
 299                 fSTU->SetThreshold(kL1Jet,   data->GetL1JetThreshold()  );
 300         }
 301         else
 302         {
 303                 fSTU->ComputeThFromV0(kL1Gamma, V0M);
 304                 data->SetL1GammaThreshold( fSTU->GetThreshold(kL1Gamma));
 305                 fSTU->ComputeThFromV0(kL1Jet,   V0M);
 306                 data->SetL1JetThreshold(   fSTU->GetThreshold(kL1Jet)  );
 307         }
 308
 309         fSTU->L1(kL1Gamma);
 310
 311         TIterator* nP = 0x0;
 312
 313         nP = (fSTU->Patches()).MakeIterator();
 314
 315         while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)nP->Next())
 316         {
 317                 p->Position(px, py);
 318
 319                 if (geom->GetAbsFastORIndexFromPositionInEMCAL(px, py, id))
 320                 {
 321                         if (posMap[px][py] == -1)
 322                         {
 323                                         // Add a new digit
 324                                 new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 325
 326                                 dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 327                         }
 328                         else
 329                         {
 330                                 dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[px][py]);
 331                         }
 332
 333                         dig->SetTriggerBit(kL1Gamma,0);
 334                 }
 335         }
 336
 337         fSTU->Reset();
 338
 339         fSTU->L1(kL1Jet);
 340
 341         nP = (fSTU->Patches()).MakeIterator();
 342
 343         while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)nP->Next())
 344         {
 345                 p->Position(px, py);
 346
 347                 px *= (Int_t)((fSTU->SubRegionSize())->X());
 348
 349                 py *= (Int_t)((fSTU->SubRegionSize())->Y());
 350
 351                 if (geom->GetAbsFastORIndexFromPositionInEMCAL(px, py, id))
 352                 {
 353                         if (posMap[px][py] == -1)
 354                         {
 355                                         // Add a new digit
 356                                 new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 357
 358                                 dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 359                         }
 360                         else
 361                         {
 362                                 dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[px][py]);
 363                         }
 364
 365                         dig->SetTriggerBit(kL1Jet, 0);
 366                 }
 367         }
 368
 369         if (AliDebugLevel() >= 999) data->Scan();
 370
 371         // Now reset the electronics for a fresh start with next event
 372         Reset();
 373 }
 374
 375 //__________________
 376 void AliEMCALTriggerElectronics::Reset()
 377 {
 378         // Reset
 379
 380         TIter nextTRU(fTRU);
 381         while ( AliEMCALTriggerTRU *TRU = (AliEMCALTriggerTRU*)nextTRU() ) TRU->Reset();
 382
 383         fSTU->Reset();
 384 }