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