AD/AliADCalibData.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 /* $Id: AliADCalibData.cxx,                                            */
  17
  18 #include <TMath.h>
  19 #include <TObjString.h>
  20 #include <TMap.h>
  21 #include <TH1F.h>
  22 #include <TH2F.h>
  23
  24 #include "AliCDBManager.h"
  25 #include "AliCDBEntry.h"
  26 #include "AliADCalibData.h"
  27 #include "AliADConst.h"
  28 #include "AliLog.h"
  29
  30 ClassImp(AliADCalibData)
  31
  32
  33 //________________________________________________________________
  34 AliADCalibData::AliADCalibData():
  35   fLightYields(NULL),
  36   fPMGainsA(NULL),
  37   fPMGainsB(NULL)
  38 {
  39   // default constructor
  40
  41     for(int t=0; t<16; t++) {
  42         fMeanHV[t]      = 100.0;
  43         fWidthHV[t]     = 0.0;
  44         fTimeOffset[t]  = 0.0;
  45         fTimeGain[t]    = 1.0;
  46         fDeadChannel[t]= kFALSE;
  47         fDiscriThr[t]  = 2.5;
  48     }
  49     for(int t=0; t<32; t++) {
  50         fPedestal[t]    = 0.0;
  51         fSigma[t]       = 100.0;
  52         fADCmean[t]     = 0.0;
  53         fADCsigma[t]    = 0.0;
  54     }
  55     for(int i=0; i<kNCIUBoards ;i++) {
  56         fTimeResolution[i]  = 25./256.;     // Default time resolution
  57         fWidthResolution[i] = 25./64.;     // Default time width resolution
  58         fMatchWindow[i] = 4;
  59         fSearchWindow[i] = 16;
  60         fTriggerCountOffset[i] = 3247;
  61         fRollOver[i] = 3563;
  62     }
  63
  64 }
  65 //________________________________________________________________
  66 void AliADCalibData::Reset()
  67 {
  68
  69 }
  70
  71 //________________________________________________________________
  72 AliADCalibData::AliADCalibData(const char* name) :
  73   fLightYields(NULL),
  74   fPMGainsA(NULL),
  75   fPMGainsB(NULL)
  76 {
  77   // Constructor
  78    TString namst = "Calib_";
  79    namst += name;
  80    SetName(namst.Data());
  81    SetTitle(namst.Data());
  82    for(int t=0; t<16; t++) {
  83        fMeanHV[t]      = 100.0;
  84        fWidthHV[t]     = 0.0;
  85        fTimeOffset[t]  = 5.0;
  86        fTimeGain[t]    = 1.0;
  87        fDeadChannel[t]= kFALSE;
  88        fDiscriThr[t]  = 2.5;
  89     }
  90    for(int t=0; t<32; t++) {
  91        fPedestal[t]    = 0.0;
  92        fSigma[t]       = 0.0;
  93        fADCmean[t]     = 0.0;
  94        fADCsigma[t]    = 0.0;
  95    }
  96    for(int i=0; i<kNCIUBoards ;i++) {
  97        fTimeResolution[i]  = 25./256.;    // Default time resolution in ns / channel
  98        fWidthResolution[i] = 25./64.;     // Default time width resolution in ns / channel
  99        fMatchWindow[i] = 4;
 100        fSearchWindow[i] = 16;
 101        fTriggerCountOffset[i] = 3247;
 102        fRollOver[i] = 3563;
 103    }
 104 }
 105
 106 //________________________________________________________________
 107 AliADCalibData::AliADCalibData(const AliADCalibData& calibda) :
 108   TNamed(calibda),
 109   fLightYields(NULL),
 110   fPMGainsA(NULL),
 111   fPMGainsB(NULL)
 112 {
 113 // copy constructor
 114
 115   SetName(calibda.GetName());
 116   SetTitle(calibda.GetName());
 117
 118   for(int t=0; t<32; t++) {
 119       fPedestal[t] = calibda.GetPedestal(t);
 120       fSigma[t]    = calibda.GetSigma(t);
 121       fADCmean[t]  = calibda.GetADCmean(t);
 122       fADCsigma[t] = calibda.GetADCsigma(t); }
 123
 124   for(int t=0; t<16; t++) {
 125       fMeanHV[t]       = calibda.GetMeanHV(t);
 126       fWidthHV[t]      = calibda.GetWidthHV(t);
 127       fTimeOffset[t]   = calibda.GetTimeOffset(t);
 128       fTimeGain[t]     = calibda.GetTimeGain(t);
 129       fDeadChannel[t]  = calibda.IsChannelDead(t);
 130       fDiscriThr[t]    = calibda.GetDiscriThr(t);
 131   }
 132
 133   for(int i=0; i<kNCIUBoards ;i++) {
 134       fTimeResolution[i]  = calibda.GetTimeResolution(i);
 135       fWidthResolution[i] = calibda.GetWidthResolution(i);
 136       fMatchWindow[i] = calibda.GetMatchWindow(i);
 137       fSearchWindow[i] = calibda.GetSearchWindow(i);
 138       fTriggerCountOffset[i] = calibda.GetTriggerCountOffset(i);
 139       fRollOver[i] = calibda.GetRollOver(i);
 140   }
 141
 142 }
 143
 144 //________________________________________________________________
 145 AliADCalibData &AliADCalibData::operator =(const AliADCalibData& calibda)
 146 {
 147 // assignment operator
 148
 149   SetName(calibda.GetName());
 150   SetTitle(calibda.GetName());
 151
 152   for(int t=0; t<32; t++) {
 153       fPedestal[t] = calibda.GetPedestal(t);
 154       fSigma[t]    = calibda.GetSigma(t);
 155       fADCmean[t]  = calibda.GetADCmean(t);
 156       fADCsigma[t] = calibda.GetADCsigma(t); }
 157
 158   for(int t=0; t<16; t++) {
 159       fMeanHV[t]       = calibda.GetMeanHV(t);
 160       fWidthHV[t]      = calibda.GetWidthHV(t);
 161       fTimeOffset[t]   = calibda.GetTimeOffset(t);
 162       fTimeGain[t]     = calibda.GetTimeGain(t);
 163       fDeadChannel[t]  = calibda.IsChannelDead(t);
 164       fDiscriThr[t]    = calibda.GetDiscriThr(t);
 165   }
 166   for(int i=0; i<kNCIUBoards ;i++) {
 167       fTimeResolution[i]  = calibda.GetTimeResolution(i);
 168       fWidthResolution[i] = calibda.GetWidthResolution(i);
 169       fMatchWindow[i] = calibda.GetMatchWindow(i);
 170       fSearchWindow[i] = calibda.GetSearchWindow(i);
 171       fTriggerCountOffset[i] = calibda.GetTriggerCountOffset(i);
 172       fRollOver[i] = calibda.GetRollOver(i);
 173   }
 174
 175   return *this;
 176
 177 }
 178
 179 //________________________________________________________________
 180 AliADCalibData::~AliADCalibData()
 181 {
 182   // destructor
 183   if (fLightYields)
 184     delete [] fLightYields;
 185   if (fPMGainsA)
 186     delete [] fPMGainsA;
 187   if (fPMGainsB)
 188     delete [] fPMGainsB;
 189 }
 190
 191 //________________________________________________________________
 192 Int_t AliADCalibData::GetBoardNumber(Int_t channel)
 193 {
 194   // Get FEE board number
 195   // from offline channel index
 196   if (channel >= 0 && channel < 8) return (0);
 197   if (channel >=8 && channel < 16) return (1);
 198
 199   AliErrorClass(Form("Wrong channel index: %d",channel));
 200   return -1;
 201 }
 202
 203 //________________________________________________________________
 204 Float_t AliADCalibData::GetLightYields(Int_t channel)
 205 {
 206   // Get the light yield efficiency
 207   // for a given channel
 208   if (!fLightYields) InitLightYields();
 209
 210   if (channel >= 0 && channel < 16) {
 211     return fLightYields[channel];
 212   }
 213
 214   AliError(Form("Wrong channel index: %d",channel));
 215   return 0;
 216 }
 217
 218 //________________________________________________________________
 219 void  AliADCalibData::InitLightYields()
 220 {
 221   // Initialize the light yield factors
 222   // Read from a separate OCDB entry
 223   if (fLightYields) return;
 224
 225   AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/LightYields");
 226   if (!entry) AliFatal("AD light yields are not found in OCDB !");
 227   TH1F *yields = (TH1F*)entry->GetObject();
 228
 229   fLightYields = new Float_t[16];
 230   for(Int_t i = 0 ; i < 16; ++i) {
 231     fLightYields[i] = yields->GetBinContent(i+1);
 232   }
 233 }
 234
 235 //________________________________________________________________
 236 void  AliADCalibData::InitPMGains()
 237 {
 238   // Initialize the PM gain factors
 239   // Read from a separate OCDB entry
 240   if (fPMGainsA) return;
 241
 242   AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/PMGains");
 243   if (!entry) AliFatal("VZERO PM gains are not found in OCDB !");
 244   TH2F *gains = (TH2F*)entry->GetObject();
 245
 246   fPMGainsA = new Float_t[16];
 247   fPMGainsB = new Float_t[16];
 248   for(Int_t i = 0 ; i < 16; ++i) {
 249     fPMGainsA[i] = gains->GetBinContent(i+1,1);
 250     fPMGainsB[i] = gains->GetBinContent(i+1,2);
 251   }
 252 }
 253
 254 //________________________________________________________________
 255 Float_t AliADCalibData::GetGain(Int_t channel)
 256 {
 257   // Computes the PM gains
 258   // Argument passed is the PM number (aliroot numbering)
 259   if (!fPMGainsA) InitPMGains();
 260
 261   // High Voltage retrieval from Calibration Data Base:
 262   Float_t hv = fMeanHV[channel];
 263   Float_t gain = 0;
 264   if (hv>0)
 265     gain = TMath::Exp(fPMGainsA[channel]+fPMGainsB[channel]*TMath::Log(hv));
 266   return gain;
 267 }
 268
 269 //________________________________________________________________
 270 Float_t AliADCalibData::GetCalibDiscriThr(Int_t channel, Bool_t scaled)
 271 {
 272   // The method returns actual TDC discri threshold
 273   // extracted from the data.
 274   //
 275   // In case scaled flag is set the threshold is scaled
 276   // so that to get 4.0 for a FEE threshold of 4.0.
 277   // In this way we avoid a change in the slewing correction
 278   // for the entire 2010 p-p data.
 279   //
 280   // The method is to be moved to OCDB object.
 281
 282   Float_t thr = GetDiscriThr(channel);
 283
 284   Float_t calThr = 0;
 285   if (thr <= 1.)
 286     calThr = 3.1;
 287   else if (thr >= 2.)
 288     calThr = (3.1+1.15*thr-1.7);
 289   else
 290     calThr = (3.1-0.3*thr+0.3*thr*thr);
 291
 292   if (scaled) calThr *= 4./(3.1+1.15*4.-1.7);
 293
 294   return calThr;
 295 }
 296
 297 //_____________________________________________________________________________
 298 void AliADCalibData::SetParameter(TString name, Int_t val){
 299         // Set given parameter
 300
 301         Int_t iBoard = -1;
 302         Int_t iChannel = -1;
 303
 304         TSeqCollection* nameSplit = name.Tokenize("/");
 305         TObjString * boardName = (TObjString *)nameSplit->At(2);
 306         sscanf(boardName->String().Data(),"CIU%d",&iBoard);
 307
 308         TString paramName = ((TObjString *)nameSplit->At(3))->String();
 309         Char_t channel[2] ; channel[1] = '\0';
 310         channel[0] = paramName[paramName.Sizeof()-2];
 311         sscanf(channel,"%d",&iChannel);
 312
 313         if(name.Contains("TimeResolution")) SetTimeResolution((UShort_t) val,iBoard);
 314         else if(name.Contains("WidthResolution")) SetWidthResolution((UShort_t) val,iBoard);
 315         else if(name.Contains("MatchWindow")) SetMatchWindow((UInt_t) val,iBoard);
 316         else if(name.Contains("SearchWindow")) SetSearchWindow((UInt_t) val,iBoard);
 317         else if(name.Contains("TriggerCountOffset")) SetTriggerCountOffset((UInt_t) val,iBoard);
 318         else if(name.Contains("RollOver")) SetRollOver((UInt_t) val,iBoard);
 319         else if(name.Contains("DelayHit")) SetTimeOffset(0.01*(Float_t)val,iBoard,(iChannel-1));
 320         else if(name.Contains("DiscriThr")) SetDiscriThr(((Float_t)val-2040.)/112.,iBoard,(iChannel-1));
 321         else AliError(Form("No Setter found for FEE parameter : %s",name.Data()));
 322         //
 323         delete nameSplit;
 324 }
 325
 326 //________________________________________________________________
 327 void AliADCalibData::SetPedestal(const Float_t* Pedestal)
 328 {
 329   if(Pedestal) for(int t=0; t<32; t++) fPedestal[t] = Pedestal[t];
 330   else for(int t=0; t<32; t++) fPedestal[t] = 0.0;
 331 }
 332
 333 //________________________________________________________________
 334 void AliADCalibData::SetSigma(const Float_t* Sigma)
 335 {
 336   if(Sigma) for(int t=0; t<32; t++) fSigma[t] = Sigma[t];
 337   else for(int t=0; t<32; t++) fSigma[t] = 0.0;
 338 }
 339
 340 //________________________________________________________________
 341 void AliADCalibData::SetADCmean(const Float_t* ADCmean)
 342 {
 343   if(ADCmean) for(int t=0; t<32; t++) fADCmean[t] = ADCmean[t];
 344   else for(int t=0; t<32; t++) fADCmean[t] = 0.0;
 345 }
 346
 347 //________________________________________________________________
 348 void AliADCalibData::SetADCsigma(const Float_t* ADCsigma)
 349 {
 350   if(ADCsigma) for(int t=0; t<32; t++) fADCsigma[t] = ADCsigma[t];
 351   else for(int t=0; t<32; t++) fADCsigma[t] = 0.0;
 352 }
 353
 354 //________________________________________________________________
 355 void AliADCalibData::SetMeanHV(const Float_t* MeanHV)
 356 {
 357   if(MeanHV) for(int t=0; t<16; t++) fMeanHV[t] = MeanHV[t];
 358   else for(int t=0; t<16; t++) fMeanHV[t] = 0.0;
 359 }
 360
 361 //________________________________________________________________
 362 void AliADCalibData::SetWidthHV(const Float_t* WidthHV)
 363 {
 364   if(WidthHV) for(int t=0; t<16; t++) fWidthHV[t] = WidthHV[t];
 365   else for(int t=0; t<16; t++) fWidthHV[t] = 0.0;
 366 }
 367
 368 //________________________________________________________________
 369 void AliADCalibData::SetDeadMap(const Bool_t* deadMap)
 370 {
 371   if(deadMap) for(int t=0; t<16; t++) fDeadChannel[t] = deadMap[t];
 372   else for(int t=0; t<16; t++) fDeadChannel[t] = kFALSE;
 373 }
 374
 375 //________________________________________________________________
 376 void AliADCalibData::SetTimeOffset(Float_t val, Int_t board, Int_t channel)
 377 {
 378   Int_t ch = AliADCalibData::GetOfflineChannelNumber(board,channel);
 379   if(ch >= 0){
 380     fTimeOffset[ch]=val;
 381     AliInfo(Form("Time offset for channel %d set to %f",ch,fTimeOffset[ch]));
 382   }
 383   else
 384     AliError("Board/Channel numbers are not valid");
 385 }
 386
 387 //________________________________________________________________
 388 void AliADCalibData::SetTimeOffset(const Float_t* TimeOffset)
 389 {
 390   if(TimeOffset) for(int t=0; t<16; t++) fTimeOffset[t] = TimeOffset[t];
 391   else for(int t=0; t<16; t++) fTimeOffset[t] = 5.0;
 392 }
 393 //________________________________________________________________
 394 void AliADCalibData::SetTimeGain(const Float_t* TimeGain)
 395 {
 396   if(TimeGain) for(int t=0; t<16; t++) fTimeGain[t] = TimeGain[t];
 397   else for(int t=0; t<16; t++) fTimeGain[t] = 0.0;
 398 }
 399 //________________________________________________________________
 400 void AliADCalibData::SetTimeResolution(UShort_t *resols){
 401         // Set Time Resolution of the TDC
 402         if(resols)  for(int t=0; t<kNCIUBoards; t++) SetTimeResolution(resols[t],t);
 403         else AliError("Time Resolution not defined.");
 404
 405 }
 406 //________________________________________________________________
 407 void AliADCalibData::SetTimeResolution(UShort_t resol, Int_t board)
 408 {
 409         // Set Time Resolution of the TDC
 410         if((board>=0) && (board<kNCIUBoards)) {
 411                 switch(resol){
 412                         case 0:
 413                                 fTimeResolution[board] = 25./256.;
 414                                 break;
 415                         case 1:
 416                                 fTimeResolution[board] = 25./128.;
 417                                 break;
 418                         case 2:
 419                                 fTimeResolution[board] = 25./64.;
 420                                 break;
 421                         case 3:
 422                                 fTimeResolution[board] = 25./32.;
 423                                 break;
 424                         case 4:
 425                                 fTimeResolution[board] = 25./16.;
 426                                 break;
 427                         case 5:
 428                                 fTimeResolution[board] = 25./8.;
 429                                 break;
 430                         case 6:
 431                                 fTimeResolution[board] = 6.25;
 432                                 break;
 433                         case 7:
 434                                 fTimeResolution[board] = 12.5;
 435                                 break;
 436                 }
 437                 AliInfo(Form("Time Resolution of board %d set to %f",board,fTimeResolution[board]));
 438         } else AliError(Form("Board %d is not valid",board));
 439 }
 440 //________________________________________________________________
 441 void AliADCalibData::SetWidthResolution(UShort_t *resols){
 442         // Set Time Width Resolution of the TDC
 443         if(resols)  for(int t=0; t<kNCIUBoards; t++) SetWidthResolution(resols[t],t);
 444         else AliError("Width Resolution not defined.");
 445
 446 }
 447 //________________________________________________________________
 448 void AliADCalibData::SetWidthResolution(UShort_t resol, Int_t board)
 449 {
 450         // Set Time Width Resolution of the TDC
 451         if((board>=0) && (board<kNCIUBoards)){
 452                 switch(resol){
 453                         case 0:
 454                                 fWidthResolution[board] = 25./256.;
 455                                 break;
 456                         case 1:
 457                                 fWidthResolution[board] = 25./128.;
 458                                 break;
 459                         case 2:
 460                                 fWidthResolution[board] = 25./64.;
 461                                 break;
 462                         case 3:
 463                                 fWidthResolution[board] = 25./32.;
 464                                 break;
 465                         case 4:
 466                                 fWidthResolution[board] = 25./16.;
 467                                 break;
 468                         case 5:
 469                                 fWidthResolution[board] = 25./8.;
 470                                 break;
 471                         case 6:
 472                                 fWidthResolution[board] = 6.25;
 473                                 break;
 474                         case 7:
 475                                 fWidthResolution[board] = 12.5;
 476                                 break;
 477                         case 8:
 478                                 fWidthResolution[board] = 25.;
 479                                 break;
 480                         case 9:
 481                                 fWidthResolution[board] = 50.;
 482                                 break;
 483                         case 10:
 484                                 fWidthResolution[board] = 100.;
 485                                 break;
 486                         case 11:
 487                                 fWidthResolution[board] = 200.;
 488                                 break;
 489                         case 12:
 490                                 fWidthResolution[board] = 400.;
 491                                 break;
 492                         case 13:
 493                                 fWidthResolution[board] = 800.;
 494                                 break;
 495
 496                 }
 497                 AliInfo(Form("Width Resolution of board %d set to %f",board,fWidthResolution[board]));
 498         }else AliError(Form("Board %d is not valid",board));
 499 }
 500
 501 //________________________________________________________________
 502 void AliADCalibData::SetMatchWindow(UInt_t *windows)
 503 {
 504   // Set Match window of the HPTDC
 505   // The units are 25ns
 506   if(windows)  for(Int_t b=0; b<kNCIUBoards; b++) SetMatchWindow(windows[b],b);
 507   else AliError("Match windows not defined.");
 508 }
 509
 510 //________________________________________________________________
 511 void AliADCalibData::SetMatchWindow(UInt_t window, Int_t board)
 512 {
 513   // Set Match window of the HPTDC
 514   // The units are 25ns
 515   if((board>=0) && (board<kNCIUBoards)){
 516     fMatchWindow[board] = window;
 517     AliInfo(Form("Match window of board %d set to %d",board,fMatchWindow[board]));
 518   }
 519   else
 520     AliError(Form("Board %d is not valid",board));
 521 }
 522
 523 //________________________________________________________________
 524 void AliADCalibData::SetSearchWindow(UInt_t *windows)
 525 {
 526   // Set Search window of the HPTDC
 527   // The units are 25ns
 528   if(windows)  for(Int_t b=0; b<kNCIUBoards; b++) SetSearchWindow(windows[b],b);
 529   else AliError("Search windows not defined.");
 530 }
 531
 532 //________________________________________________________________
 533 void  AliADCalibData::SetSearchWindow(UInt_t window, Int_t board)
 534 {
 535   // Set Search window of the HPTDC
 536   // The units are 25ns
 537   if((board>=0) && (board<kNCIUBoards)){
 538     fSearchWindow[board] = window;
 539     AliInfo(Form("Search window of board %d set to %d",board,fSearchWindow[board]));
 540   }
 541   else
 542     AliError(Form("Board %d is not valid",board));
 543 }
 544
 545 //________________________________________________________________
 546 void AliADCalibData::SetTriggerCountOffset(UInt_t *offsets)
 547 {
 548   // Set trigger-count offset of the HPTDC
 549   // The units are 25ns
 550   if(offsets)  for(Int_t b=0; b<kNCIUBoards; b++) SetTriggerCountOffset(offsets[b],b);
 551   else AliError("Trigger count offsets not defined.");
 552 }
 553
 554 //________________________________________________________________
 555 void AliADCalibData::SetTriggerCountOffset(UInt_t offset, Int_t board)
 556 {
 557   // Set trigger-count offsets of the HPTDC
 558   // The units are 25ns
 559   if((board>=0) && (board<kNCIUBoards)){
 560     fTriggerCountOffset[board] = offset;
 561     AliInfo(Form("Trigger-count offset of board %d set to %d",board,fTriggerCountOffset[board]));
 562   }
 563   else
 564     AliError(Form("Board %d is not valid",board));
 565 }
 566
 567 //________________________________________________________________
 568 void AliADCalibData::SetRollOver(UInt_t *offsets)
 569 {
 570   // Set Roll-over of the HPTDC
 571   // The units are 25ns
 572   if(offsets)  for(Int_t b=0; b<kNCIUBoards; b++) SetRollOver(offsets[b],b);
 573   else AliError("Roll-over offsets not defined.");
 574 }
 575
 576 //________________________________________________________________
 577 void AliADCalibData::SetRollOver(UInt_t offset, Int_t board)
 578 {
 579   // Set Roll-over of the HPTDC
 580   // The units are 25ns
 581   if((board>=0) && (board<kNCIUBoards)){
 582     fRollOver[board] = offset;
 583     AliInfo(Form("Roll-over offset of board %d set to %d",board,fRollOver[board]));
 584   }
 585   else
 586     AliError(Form("Board %d is not valid",board));
 587 }
 588
 589 //________________________________________________________________
 590 void AliADCalibData::SetDiscriThr(Float_t thr, Int_t board, Int_t channel)
 591 {
 592   // Set the TDC discriminator
 593   // threshold values expressed in units of ADC
 594   Int_t ch = AliADCalibData::GetOfflineChannelNumber(board,channel);
 595   if(ch >= 0){
 596     if (thr > 0) {
 597       fDiscriThr[ch]=thr;
 598       AliInfo(Form("Discriminator threshold for channel %d set to %f",ch,fDiscriThr[ch]));
 599     }
 600     else {
 601       AliWarning(Form("Ignore wrong threshold value (%f) for channel %d !",thr,ch));
 602     }
 603   }
 604   else
 605     AliError("Board/Channel numbers are not valid");
 606 }
 607
 608 //________________________________________________________________
 609 void AliADCalibData::SetDiscriThr(const Float_t* thresholds)
 610 {
 611   // Set the TDC discriminator
 612   // threshold values expressed in units of ADC
 613   if(thresholds) for(int t=0; t<16; t++) fDiscriThr[t] = thresholds[t];
 614   else for(int t=0; t<16; t++) fDiscriThr[t] = 2.5;
 615 }
 616
 617 //________________________________________________________________
 618 Int_t AliADCalibData::GetOfflineChannelNumber(Int_t board, Int_t channel)
 619 {
 620   // Get the offline channel number from
 621   // the FEE board and channel indexes
 622
 623   if (board < 0 || board >= 2) {
 624     AliErrorClass(Form("Wrong FEE board number: %d",board));
 625     return -1;
 626   }
 627   if (channel < 0 || channel >= 8) {
 628     AliErrorClass(Form("Wrong FEE channel number: %d",channel));
 629     return -1;
 630   }
 631
 632   Int_t offCh = (board+1)*channel;
 633
 634   return offCh;
 635 }
 636 //________________________________________________________________
 637 Int_t AliADCalibData::GetFEEChannelNumber(Int_t channel)
 638 {
 639   // Get FEE channel number
 640   // from offline channel index
 641   if (channel >= 0 && channel < 16) return ((channel % 8));
 642
 643   AliErrorClass(Form("Wrong channel index: %d",channel));
 644   return -1;
 645 }
 646
 647
 648