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                 geom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
  97         else
  98                 geom =  AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
  99
 100         if (!geom) AliError("Cannot access geometry!");
 101
 102         //      digits->Sort();
 103
 104         Int_t region[48][64], posMap[48][64];
 105         for (Int_t i = 0; i < 48; i++) for (Int_t j = 0; j < 64; j++)
 106         {
 107                 region[i][j] =  0;
 108                 posMap[i][j] = -1;
 109         }
 110
 111         for (Int_t i = 0; i < digits->GetEntriesFast(); i++)
 112         {
 113                 AliEMCALTriggerRawDigit* digit = (AliEMCALTriggerRawDigit*)digits->At(i);
 114
 115                 Int_t id = digit->GetId();
 116
 117                 Int_t iTRU, iADC;
 118
 119                 Bool_t isOK1 = geom->GetTRUFromAbsFastORIndex(id, iTRU, iADC);
 120
 121                 for (Int_t j = 0; j < digit->GetNSamples(); j++)
 122                 {
 123                         Int_t time, amp;
 124                         Bool_t isOK2 = digit->GetTimeSample(j, time, amp);
 125
 126                         if (isOK1 && isOK2 && amp) (static_cast<AliEMCALTriggerTRU*>(fTRU->At(iTRU)))->SetADC(iADC, time, amp);
 127                 }
 128
 129                 Int_t px, py;
 130                 if (geom->GetPositionInEMCALFromAbsFastORIndex(id, px, py))
 131                 {
 132                         posMap[px][py] = i;
 133
 134                         if (fSTU->GetRawData() && digit->GetL1TimeSum() >= 0)
 135                         {
 136                                 region[px][py] = digit->GetL1TimeSum();
 137                         }
 138                 }
 139         }
 140
 141         Int_t iL0 = 0;
 142
 143         for (Int_t i=0; i<kNTRU; i++)
 144         {
 145                 AliDebug(999, Form("===========< TRU %2d >============\n", i));
 146
 147                 AliEMCALTriggerTRU* iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
 148
 149                 // L0 is always computed from F-ALTRO
 150                 if (iTRU->L0())
 151                 {
 152                         iL0 += iTRU->L0();
 153
 154                         Int_t sizeX = (iTRU->PatchSize())->X() * (iTRU->SubRegionSize())->X();
 155
 156                         Int_t sizeY = (iTRU->PatchSize())->Y() * (iTRU->SubRegionSize())->Y();
 157
 158                         // transform local to global
 159                         TIter Next(&iTRU->Patches());
 160                         while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)Next())
 161                         {
 162                                 Int_t px, py, id; p->Position(px, py);
 163
 164                                 if (geom->GetAbsFastORIndexFromPositionInTRU(i, px, py, id)
 165                                         &&
 166                                         geom->GetPositionInEMCALFromAbsFastORIndex(id, px, py)) p->SetPosition(px, py);
 167
 168                                 if (!data->GetMode())
 169                                 {
 170                                         Int_t peaks = p->Peaks();
 171
 172                                         for (Int_t j = 0; j < sizeX * sizeY; j++)
 173                                         {
 174                                                 if (peaks & (1 << j))
 175                                                 {
 176
 177                                                         Int_t pos = posMap[px + j % sizeX][py + j / sizeX];
 178
 179 //                                                      cout << "px: " << px << " py: " << py << " j: " << j << " mod: " << j%sizeX << " ratio: " << j / sizeX << " pos: " << pos << endl;
 180
 181                                                         AliEMCALTriggerRawDigit* dig = 0x0;
 182
 183                                                         if (pos == -1)
 184                                                         {
 185                                                                 new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 186
 187                                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 188                                                         }
 189                                                         else
 190                                                         {
 191                                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
 192                                                         }
 193
 194                                                         dig->SetL0Time(p->Time());
 195                                                 }
 196                                         }
 197                                 }
 198                         }
 199
 200                         data->SetL0Trigger(0, i, 1);
 201
 202                 data->SetPatches(kL0, 0, iTRU->Patches());
 203                 }
 204                 else
 205                         data->SetL0Trigger(0, i, 0);
 206         }
 207
 208         // A L0 has been issued, run L1
 209         // Depending on raw data enabled or not in STU data: L1 computation
 210         // should be done from F-ALTRO or directly on TRU time sums in STU raw data
 211         if (iL0)
 212         {
 213                 // Use L1 threshold from raw data when reconstructing raw data
 214                 if (data->GetMode())
 215                 {
 216                         fSTU->SetThreshold(kL1Gamma, data->GetL1GammaThreshold());
 217                         fSTU->SetThreshold(kL1Jet,   data->GetL1JetThreshold()  );
 218                 }
 219                 else
 220                 {
 221                         fSTU->ComputeThFromV0(V0M); // C/A
 222                         data->SetL1GammaThreshold(fSTU->GetThreshold(kL1Gamma));
 223                         data->SetL1JetThreshold(  fSTU->GetThreshold(kL1Jet)  );
 224                 }
 225
 226                 if (fSTU->GetRawData())
 227                 {
 228                         // Compute L1 from STU raw data
 229                         fSTU->SetRegion(region);
 230                 }
 231                 else
 232                 {
 233                         // Build STU raw data from F-ALTRO
 234                         TString str = "region";
 235                         for (Int_t i = 0; i < kNTRU; i++) fSTU->Build(str,
 236                                                                                                                   i,
 237                                                                                                                   (static_cast<AliEMCALTriggerTRU*>(fTRU->At(i)))->Region(),
 238                                                                                                                   (static_cast<AliEMCALTriggerTRU*>(fTRU->At(i)))->RegionSize());
 239                 }
 240
 241                 fSTU->L1(kL1Gamma);
 242
 243                 data->SetPatches(kL1Gamma, 0, fSTU->Patches());
 244
 245                 fSTU->Reset();
 246
 247                 fSTU->L1(kL1Jet);
 248
 249                 data->SetPatches(kL1Jet,   0, fSTU->Patches());
 250
 251                 Int_t** reg = fSTU->Region();
 252
 253                 if (!fSTU->GetRawData())
 254                 {
 255                         // Update digits w/ L1 time sum
 256                         // Done in raw digit maker when raw data enabled
 257                         for (Int_t i = 0; i < 48; i++)
 258                         {
 259                                 for (Int_t j = 0; j < 64; j++)
 260                                 {
 261                                         if (reg[i][j])
 262                                         {
 263                                                 Int_t id;
 264                                                 if (geom->GetAbsFastORIndexFromPositionInEMCAL(i, j, id))
 265                                                 {
 266                                                         AliEMCALTriggerRawDigit* dig = 0x0;
 267
 268                                                         if (posMap[i][j] == -1)
 269                                                         {
 270                                                                 // Add a new digit with L1 time sum
 271                                                                 new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
 272
 273                                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
 274                                                         }
 275                                                         else
 276                                                         {
 277                                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[i][j]);
 278                                                         }
 279
 280                                                         dig->SetL1TimeSum(reg[i][j]);
 281                                                 }
 282                                         }
 283                                 }
 284                         }
 285                 }
 286         }
 287
 288         if (AliDebugLevel() >= 999) data->Scan();
 289
 290         // Now reset the electronics for a fresh start with next event
 291         Reset();
 292 }
 293
 294 //__________________
 295 void AliEMCALTriggerElectronics::Reset()
 296 {
 297         //
 298         TIter NextTRU(fTRU);
 299         while ( AliEMCALTriggerTRU *TRU = (AliEMCALTriggerTRU*)NextTRU() ) TRU->Reset();
 300
 301         fSTU->Reset();
 302 }