1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 // TRD MCM (Multi Chip Module) simulator //
21 // which simulates the TRAP processing after the AD-conversion. //
22 // The relevant parameters (i.e. configuration settings of the TRAP) //
23 // are taken from AliTRDtrapConfig. //
25 ///////////////////////////////////////////////////////////////////////////////
36 #include "TClonesArray.h"
41 #include "AliRunLoader.h"
42 #include "AliLoader.h"
44 #include "AliTRDfeeParam.h"
45 #include "AliTRDtrapConfig.h"
46 #include "AliTRDdigitsManager.h"
47 #include "AliTRDarrayADC.h"
48 #include "AliTRDarrayDictionary.h"
49 #include "AliTRDtrackletMCM.h"
50 #include "AliTRDmcmSim.h"
52 ClassImp(AliTRDmcmSim)
54 Bool_t AliTRDmcmSim::fgApplyCut = kTRUE;
55 Int_t AliTRDmcmSim::fgAddBaseline = 0;
57 const Int_t AliTRDmcmSim::fgkFormatIndex = std::ios_base::xalloc();
59 const Int_t AliTRDmcmSim::fgkNADC = AliTRDfeeParam::GetNadcMcm();
60 const UShort_t AliTRDmcmSim::fgkFPshifts[4] = {11, 14, 17, 21};
63 AliTRDmcmSim::AliTRDmcmSim() :
76 fTrklBranchName("mcmtrklbranch"),
89 // AliTRDmcmSim default constructor
90 // By default, nothing is initialized.
91 // It is necessary to issue Init before use.
93 for (Int_t iDict = 0; iDict < 3; iDict++)
102 AliTRDmcmSim::~AliTRDmcmSim()
105 // AliTRDmcmSim destructor
109 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
110 delete [] fADCR[iAdc];
111 delete [] fADCF[iAdc];
119 delete [] fGainCounterA;
120 delete [] fGainCounterB;
121 delete [] fTailAmplLong;
122 delete [] fTailAmplShort;
125 fTrackletArray->Delete();
126 delete fTrackletArray;
130 void AliTRDmcmSim::Init( Int_t det, Int_t robPos, Int_t mcmPos, Bool_t /* newEvent */ )
133 // Initialize the class with new MCM position information
134 // memory is allocated in the first initialization
138 fFeeParam = AliTRDfeeParam::Instance();
139 fTrapConfig = AliTRDtrapConfig::Instance();
145 fRow = fFeeParam->GetPadRowFromMCM( fRobPos, fMcmPos );
148 fADCR = new Int_t *[fgkNADC];
149 fADCF = new Int_t *[fgkNADC];
150 fZSMap = new Int_t [fgkNADC];
151 fGainCounterA = new UInt_t[fgkNADC];
152 fGainCounterB = new UInt_t[fgkNADC];
153 fNTimeBin = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kC13CPUA, fDetector, fRobPos, fMcmPos);
154 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
155 fADCR[iAdc] = new Int_t[fNTimeBin];
156 fADCF[iAdc] = new Int_t[fNTimeBin];
160 fPedAcc = new UInt_t[fgkNADC]; // accumulator for pedestal filter
161 fTailAmplLong = new UShort_t[fgkNADC];
162 fTailAmplShort = new UShort_t[fgkNADC];
164 // tracklet calculation
165 fFitReg = new FitReg_t[fgkNADC];
166 fTrackletArray = new TClonesArray("AliTRDtrackletMCM", fgkMaxTracklets);
168 fMCMT = new UInt_t[fgkMaxTracklets];
171 fInitialized = kTRUE;
176 void AliTRDmcmSim::Reset()
178 // Resets the data values and internal filter registers
179 // by re-initialising them
181 if( !CheckInitialized() )
184 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
185 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
189 fZSMap[iAdc] = -1; // Default unread, low active bit mask
190 fGainCounterA[iAdc] = 0;
191 fGainCounterB[iAdc] = 0;
194 for(Int_t i = 0; i < fgkMaxTracklets; i++) {
198 for (Int_t iDict = 0; iDict < 3; iDict++)
201 FilterPedestalInit();
206 void AliTRDmcmSim::SetNTimebins(Int_t ntimebins)
208 // Reallocate memory if a change in the number of timebins
209 // is needed (should not be the case for real data)
211 if( !CheckInitialized() )
214 fNTimeBin = ntimebins;
215 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
216 delete [] fADCR[iAdc];
217 delete [] fADCF[iAdc];
218 fADCR[iAdc] = new Int_t[fNTimeBin];
219 fADCF[iAdc] = new Int_t[fNTimeBin];
223 Bool_t AliTRDmcmSim::LoadMCM(AliRunLoader* const runloader, Int_t det, Int_t rob, Int_t mcm)
225 // loads the ADC data as obtained from the digitsManager for the specified MCM.
226 // This method is meant for rare execution, e.g. in the visualization. When called
227 // frequently use SetData(...) instead.
232 AliError("No Runloader given");
236 AliLoader *trdLoader = runloader->GetLoader("TRDLoader");
238 AliError("Could not get TRDLoader");
242 Bool_t retval = kTRUE;
243 trdLoader->LoadDigits();
244 fDigitsManager = 0x0;
245 AliTRDdigitsManager *digMgr = new AliTRDdigitsManager();
246 digMgr->SetSDigits(0);
247 digMgr->CreateArrays();
248 digMgr->ReadDigits(trdLoader->TreeD());
249 AliTRDarrayADC *digits = (AliTRDarrayADC*) digMgr->GetDigits(det);
250 if (digits->HasData()) {
253 if (fNTimeBin != digits->GetNtime()) {
254 AliWarning(Form("Changing no. of timebins from %i to %i", fNTimeBin, digits->GetNtime()));
255 SetNTimebins(digits->GetNtime());
268 void AliTRDmcmSim::NoiseTest(Int_t nsamples, Int_t mean, Int_t sigma, Int_t inputGain, Int_t inputTail)
270 // This function can be used to test the filters.
271 // It feeds nsamples of ADC values with a gaussian distribution specified by mean and sigma.
272 // The filter chain implemented here consists of:
273 // Pedestal -> Gain -> Tail
274 // With inputGain and inputTail the input to the gain and tail filter, respectively,
275 // can be chosen where
277 // 1: pedestal output
279 // The input has to be chosen from a stage before.
280 // The filter behaviour is controlled by the TRAP parameters from AliTRDtrapConfig in the
281 // same way as in normal simulation.
282 // The functions produces four histograms with the values at the different stages.
284 if( !CheckInitialized() )
287 TString nameInputGain;
288 TString nameInputTail;
292 nameInputGain = "Noise";
296 nameInputGain = "Pedestal";
300 AliError("Undefined input to tail cancellation filter");
306 nameInputTail = "Noise";
310 nameInputTail = "Pedestal";
314 nameInputTail = "Gain";
318 AliError("Undefined input to tail cancellation filter");
322 TH1F *h = new TH1F("noise", "Gaussian Noise;sample;ADC count",
323 nsamples, 0, nsamples);
324 TH1F *hfp = new TH1F("ped", "Noise #rightarrow Pedestal filter;sample;ADC count", nsamples, 0, nsamples);
325 TH1F *hfg = new TH1F("gain",
326 (nameInputGain + "#rightarrow Gain;sample;ADC count").Data(),
327 nsamples, 0, nsamples);
328 TH1F *hft = new TH1F("tail",
329 (nameInputTail + "#rightarrow Tail;sample;ADC count").Data(),
330 nsamples, 0, nsamples);
332 hfp->SetStats(kFALSE);
333 hfg->SetStats(kFALSE);
334 hft->SetStats(kFALSE);
336 Int_t value; // ADC count with noise (10 bit)
337 Int_t valuep; // pedestal filter output (12 bit)
338 Int_t valueg; // gain filter output (12 bit)
339 Int_t valuet; // tail filter value (12 bit)
341 for (Int_t i = 0; i < nsamples; i++) {
342 value = (Int_t) gRandom->Gaus(mean, sigma); // generate noise with gaussian distribution
343 h->SetBinContent(i, value);
345 valuep = FilterPedestalNextSample(1, 0, ((Int_t) value) << 2);
348 valueg = FilterGainNextSample(1, ((Int_t) value) << 2);
350 valueg = FilterGainNextSample(1, valuep);
353 valuet = FilterTailNextSample(1, ((Int_t) value) << 2);
354 else if (inputTail == 1)
355 valuet = FilterTailNextSample(1, valuep);
357 valuet = FilterTailNextSample(1, valueg);
359 hfp->SetBinContent(i, valuep >> 2);
360 hfg->SetBinContent(i, valueg >> 2);
361 hft->SetBinContent(i, valuet >> 2);
364 TCanvas *c = new TCanvas;
376 Bool_t AliTRDmcmSim::CheckInitialized() const
379 // Check whether object is initialized
383 AliError(Form ("AliTRDmcmSim is not initialized but function other than Init() is called."));
388 void AliTRDmcmSim::Print(Option_t* const option) const
390 // Prints the data stored and/or calculated for this MCM.
391 // The output is controlled by option which can be a sequence of any of
392 // the following characters:
393 // R - prints raw ADC data
394 // F - prints filtered data
395 // H - prints detected hits
396 // T - prints found tracklets
397 // The later stages are only meaningful after the corresponding calculations
398 // have been performed.
400 if ( !CheckInitialized() )
403 printf("MCM %i on ROB %i in detector %i\n", fMcmPos, fRobPos, fDetector);
405 TString opt = option;
406 if (opt.Contains("R") || opt.Contains("F")) {
410 if (opt.Contains("H")) {
411 printf("Found %i hits:\n", fNHits);
412 for (Int_t iHit = 0; iHit < fNHits; iHit++) {
413 printf("Hit %3i in timebin %2i, ADC %2i has charge %3i and position %3i\n",
414 iHit, fHits[iHit].fTimebin, fHits[iHit].fChannel, fHits[iHit].fQtot, fHits[iHit].fYpos);
418 if (opt.Contains("T")) {
419 printf("Tracklets:\n");
420 for (Int_t iTrkl = 0; iTrkl < fTrackletArray->GetEntriesFast(); iTrkl++) {
421 printf("tracklet %i: 0x%08x\n", iTrkl, ((AliTRDtrackletMCM*) (*fTrackletArray)[iTrkl])->GetTrackletWord());
426 void AliTRDmcmSim::Draw(Option_t* const option)
428 // Plots the data stored in a 2-dim. timebin vs. ADC channel plot.
429 // The option selects what data is plotted and can be a sequence of
430 // the following characters:
431 // R - plot raw data (default)
432 // F - plot filtered data (meaningless if R is specified)
433 // In addition to the ADC values:
435 // T - plot tracklets
437 if( !CheckInitialized() )
440 TString opt = option;
442 TH2F *hist = new TH2F("mcmdata", Form("Data of MCM %i on ROB %i in detector %i", \
443 fMcmPos, fRobPos, fDetector), \
444 fgkNADC, -0.5, fgkNADC-.5, fNTimeBin, -.5, fNTimeBin-.5);
445 hist->GetXaxis()->SetTitle("ADC Channel");
446 hist->GetYaxis()->SetTitle("Timebin");
447 hist->SetStats(kFALSE);
449 if (opt.Contains("R")) {
450 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
451 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
452 hist->SetBinContent(iAdc+1, iTimeBin+1, fADCR[iAdc][iTimeBin] >> fgkAddDigits);
457 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
458 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
459 hist->SetBinContent(iAdc+1, iTimeBin+1, fADCF[iAdc][iTimeBin] >> fgkAddDigits);
465 if (opt.Contains("H")) {
466 TGraph *grHits = new TGraph();
467 for (Int_t iHit = 0; iHit < fNHits; iHit++) {
468 grHits->SetPoint(iHit,
469 fHits[iHit].fChannel + 1 + fHits[iHit].fYpos/256.,
470 fHits[iHit].fTimebin);
475 if (opt.Contains("T")) {
476 TLine *trklLines = new TLine[4];
477 for (Int_t iTrkl = 0; iTrkl < fTrackletArray->GetEntries(); iTrkl++) {
478 AliTRDtrackletMCM *trkl = (AliTRDtrackletMCM*) (*fTrackletArray)[iTrkl];
479 Float_t padWidth = 0.635 + 0.03 * (fDetector % 6);
480 Float_t offset = padWidth/256. * ((((((fRobPos & 0x1) << 2) + (fMcmPos & 0x3)) * 18) << 8) - ((18*4*2 - 18*2 - 3) << 7)); // revert adding offset in FitTracklet
481 Int_t ndrift = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrNdrift, fDetector, fRobPos, fMcmPos) >> 5;
484 slope = trkl->GetdY() * 140e-4 / ndrift;
486 Int_t t0 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS, fDetector, fRobPos, fMcmPos);
487 Int_t t1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE, fDetector, fRobPos, fMcmPos);
489 trklLines[iTrkl].SetX1((offset - (trkl->GetY() - slope * t0)) / padWidth); // ??? sign?
490 trklLines[iTrkl].SetY1(t0);
491 trklLines[iTrkl].SetX2((offset - (trkl->GetY() - slope * t1)) / padWidth); // ??? sign?
492 trklLines[iTrkl].SetY2(t1);
493 trklLines[iTrkl].SetLineColor(2);
494 trklLines[iTrkl].SetLineWidth(2);
495 printf("Tracklet %i: y = %f, dy = %f, offset = %f\n", iTrkl, trkl->GetY(), (trkl->GetdY() * 140e-4), offset);
496 trklLines[iTrkl].Draw();
501 void AliTRDmcmSim::SetData( Int_t adc, const Int_t* const data )
504 // Store ADC data into array of raw data
507 if( !CheckInitialized() ) return;
509 if( adc < 0 || adc >= fgkNADC ) {
510 AliError(Form ("Error: ADC %i is out of range (0 .. %d).", adc, fgkNADC-1));
514 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
515 fADCR[adc][it] = (Int_t) (data[it]) << fgkAddDigits;
516 fADCF[adc][it] = (Int_t) (data[it]) << fgkAddDigits;
520 void AliTRDmcmSim::SetData( Int_t adc, Int_t it, Int_t data )
523 // Store ADC data into array of raw data
526 if( !CheckInitialized() ) return;
528 if( adc < 0 || adc >= fgkNADC ) {
529 AliError(Form ("Error: ADC %i is out of range (0 .. %d).", adc, fgkNADC-1));
533 fADCR[adc][it] = data << fgkAddDigits;
534 fADCF[adc][it] = data << fgkAddDigits;
537 void AliTRDmcmSim::SetData(AliTRDarrayADC* const adcArray, AliTRDdigitsManager * const digitsManager)
539 // Set the ADC data from an AliTRDarrayADC
541 if( !CheckInitialized() )
544 fDigitsManager = digitsManager;
545 if (fDigitsManager) {
546 for (Int_t iDict = 0; iDict < 3; iDict++) {
547 AliTRDarrayDictionary *newDict = (AliTRDarrayDictionary*) fDigitsManager->GetDictionary(fDetector, iDict);
548 if (fDict[iDict] != 0x0 && newDict != 0x0) {
550 if (fDict[iDict] == newDict)
553 fDict[iDict] = newDict;
554 if(fDict[iDict]->GetDim() != 0)
555 fDict[iDict]->Expand();
558 fDict[iDict] = newDict;
559 if (fDict[iDict] && (fDict[iDict]->GetDim() != 0) )
560 fDict[iDict]->Expand();
563 // If there is no data, set dictionary to zero to avoid crashes
564 if (fDict[iDict]->GetDim() == 0) {
565 // AliError(Form("Dictionary %i of det. %i has dim. 0", iDict, fDetector));
571 if (fNTimeBin != adcArray->GetNtime())
572 SetNTimebins(adcArray->GetNtime());
574 Int_t offset = (fMcmPos % 4 + 1) * 21 + (fRobPos % 2) * 84 - 1;
576 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
577 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
578 Int_t value = adcArray->GetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin);
579 // treat 0 as suppressed,
580 // this is not correct but reported like that from arrayADC
581 if (value <= 0 || (offset - iAdc < 1) || (offset - iAdc > 165)) {
582 fADCR[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP, fDetector, fRobPos, fMcmPos) + (fgAddBaseline << fgkAddDigits);
583 fADCF[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP, fDetector, fRobPos, fMcmPos) + (fgAddBaseline << fgkAddDigits);
587 fADCR[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
588 fADCF[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
594 void AliTRDmcmSim::SetDataByPad(const AliTRDarrayADC* const adcArray, AliTRDdigitsManager * const digitsManager)
596 // Set the ADC data from an AliTRDarrayADC
597 // (by pad, to be used during initial reading in simulation)
599 if( !CheckInitialized() )
602 fDigitsManager = digitsManager;
603 if (fDigitsManager) {
604 for (Int_t iDict = 0; iDict < 3; iDict++) {
605 AliTRDarrayDictionary *newDict = (AliTRDarrayDictionary*) fDigitsManager->GetDictionary(fDetector, iDict);
606 if (fDict[iDict] != 0x0 && newDict != 0x0) {
608 if (fDict[iDict] == newDict)
611 fDict[iDict] = newDict;
612 fDict[iDict]->Expand();
615 fDict[iDict] = newDict;
617 fDict[iDict]->Expand();
620 // If there is no data, set dictionary to zero to avoid crashes
621 if (fDict[iDict]->GetDim() == 0) {
622 AliError(Form("Dictionary %i of det. %i has dim. 0", iDict, fDetector));
628 if (fNTimeBin != adcArray->GetNtime())
629 SetNTimebins(adcArray->GetNtime());
631 Int_t offset = (fMcmPos % 4 + 1) * 18 + (fRobPos % 2) * 72 + 1;
633 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
634 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
636 Int_t pad = offset - iAdc;
637 if (pad > -1 && pad < 144)
638 value = adcArray->GetData(GetRow(), offset - iAdc, iTimeBin);
639 // Int_t value = adcArray->GetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin);
640 if (value < 0 || (offset - iAdc < 1) || (offset - iAdc > 165)) {
641 fADCR[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP, fDetector, fRobPos, fMcmPos) + (fgAddBaseline << fgkAddDigits);
642 fADCF[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP, fDetector, fRobPos, fMcmPos) + (fgAddBaseline << fgkAddDigits);
646 fADCR[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
647 fADCF[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
653 void AliTRDmcmSim::SetDataPedestal( Int_t adc )
656 // Store ADC data into array of raw data
659 if( !CheckInitialized() )
662 if( adc < 0 || adc >= fgkNADC ) {
666 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
667 fADCR[adc][it] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP, fDetector, fRobPos, fMcmPos) + (fgAddBaseline << fgkAddDigits);
668 fADCF[adc][it] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP, fDetector, fRobPos, fMcmPos) + (fgAddBaseline << fgkAddDigits);
672 Bool_t AliTRDmcmSim::GetHit(Int_t index, Int_t &channel, Int_t &timebin, Int_t &qtot, Int_t &ypos, Float_t &y, Int_t &label) const
674 // retrieve the MC hit information (not available in TRAP hardware)
676 if (index < 0 || index >= fNHits)
679 channel = fHits[index].fChannel;
680 timebin = fHits[index].fTimebin;
681 qtot = fHits[index].fQtot;
682 ypos = fHits[index].fYpos;
683 y = (Float_t) ((((((fRobPos & 0x1) << 2) + (fMcmPos & 0x3)) * 18) << 8) - ((18*4*2 - 18*2 - 1) << 7) -
684 (channel << 8) - ypos)
685 * (0.635 + 0.03 * (fDetector % 6))
687 label = fHits[index].fLabel[0];
692 Int_t AliTRDmcmSim::GetCol( Int_t adc )
695 // Return column id of the pad for the given ADC channel
698 if( !CheckInitialized() )
701 Int_t col = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adc);
702 if (col < 0 || col >= fFeeParam->GetNcol())
708 Int_t AliTRDmcmSim::ProduceRawStream( UInt_t *buf, Int_t bufSize, UInt_t iEv) const
711 // Produce raw data stream from this MCM and put in buf
712 // Returns number of words filled, or negative value
713 // with -1 * number of overflowed words
716 if( !CheckInitialized() )
720 UInt_t mcmHeader = 0;
722 Int_t nw = 0; // Number of written words
723 Int_t of = 0; // Number of overflowed words
724 Int_t rawVer = fFeeParam->GetRAWversion();
726 Int_t nActiveADC = 0; // number of activated ADC bits in a word
728 if( !CheckInitialized() )
731 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBSF, fDetector, fRobPos, fMcmPos) != 0) // store unfiltered data
736 // Produce ADC mask : nncc cccm mmmm mmmm mmmm mmmm mmmm 1100
737 // n : unused , c : ADC count, m : selected ADCs
739 (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kC15CPUA, fDetector, fRobPos, fMcmPos) & (1 << 13))) { // check for zs flag in TRAP configuration
740 for( Int_t iAdc = 0 ; iAdc < fgkNADC ; iAdc++ ) {
741 if( ~fZSMap[iAdc] != 0 ) { // 0 means not suppressed
742 adcMask |= (1 << (iAdc+4) ); // last 4 digit reserved for 1100=0xc
743 nActiveADC++; // number of 1 in mmm....m
747 if ((nActiveADC == 0) &&
748 (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kC15CPUA, fDetector, fRobPos, fMcmPos) & (1 << 8))) // check for DEH flag in TRAP configuration
751 // assemble adc mask word
752 adcMask |= (1 << 30) | ( ( 0x3FFFFFFC ) & (~(nActiveADC) << 25) ) | 0xC; // nn = 01, ccccc are inverted, 0xc=1100
756 mcmHeader = (1<<31) | (fRobPos << 28) | (fMcmPos << 24) | ((iEv % 0x100000) << 4) | 0xC;
758 buf[nw++] = mcmHeader;
770 // Produce ADC data. 3 timebins are packed into one 32 bits word
771 // In this version, different ADC channel will NOT share the same word
773 UInt_t aa=0, a1=0, a2=0, a3=0;
775 for (Int_t iAdc = 0; iAdc < 21; iAdc++ ) {
776 if( rawVer>= 3 && ~fZSMap[iAdc] == 0 ) continue; // Zero Suppression, 0 means not suppressed
777 aa = !(iAdc & 1) + 2;
778 for (Int_t iT = 0; iT < fNTimeBin; iT+=3 ) {
779 a1 = ((iT ) < fNTimeBin ) ? adc[iAdc][iT ] >> fgkAddDigits : 0;
780 a2 = ((iT + 1) < fNTimeBin ) ? adc[iAdc][iT+1] >> fgkAddDigits : 0;
781 a3 = ((iT + 2) < fNTimeBin ) ? adc[iAdc][iT+2] >> fgkAddDigits : 0;
782 x = (a3 << 22) | (a2 << 12) | (a1 << 2) | aa;
792 if( of != 0 ) return -of; else return nw;
795 Int_t AliTRDmcmSim::ProduceTrackletStream( UInt_t *buf, Int_t bufSize )
798 // Produce tracklet data stream from this MCM and put in buf
799 // Returns number of words filled, or negative value
800 // with -1 * number of overflowed words
803 if( !CheckInitialized() )
806 Int_t nw = 0; // Number of written words
807 Int_t of = 0; // Number of overflowed words
809 // Produce tracklet data. A maximum of four 32 Bit words will be written per MCM
810 // fMCMT is filled continuously until no more tracklet words available
812 for (Int_t iTracklet = 0; iTracklet < fTrackletArray->GetEntriesFast(); iTracklet++) {
814 buf[nw++] = ((AliTRDtrackletMCM*) (*fTrackletArray)[iTracklet])->GetTrackletWord();
819 if( of != 0 ) return -of; else return nw;
822 void AliTRDmcmSim::Filter()
825 // Filter the raw ADC values. The active filter stages and their
826 // parameters are taken from AliTRDtrapConfig.
827 // The raw data is stored separate from the filtered data. Thus,
828 // it is possible to run the filters on a set of raw values
829 // sequentially for parameter tuning.
832 if( !CheckInitialized() )
835 // Apply filters sequentially. Bypass is handled by filters
836 // since counters and internal registers may be updated even
837 // if the filter is bypassed.
838 // The first filter takes the data from fADCR and
841 // Non-linearity filter not implemented.
845 // Crosstalk filter not implemented.
848 void AliTRDmcmSim::FilterPedestalInit(Int_t baseline)
850 // Initializes the pedestal filter assuming that the input has
851 // been constant for a long time (compared to the time constant).
853 UShort_t fptc = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPTC, fDetector, fRobPos, fMcmPos); // 0..3, 0 - fastest, 3 - slowest
855 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++)
856 fPedAcc[iAdc] = (baseline << 2) * (1 << fgkFPshifts[fptc]);
859 UShort_t AliTRDmcmSim::FilterPedestalNextSample(Int_t adc, Int_t timebin, UShort_t value)
861 // Returns the output of the pedestal filter given the input value.
862 // The output depends on the internal registers and, thus, the
863 // history of the filter.
865 UShort_t fpnp = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP, fDetector, fRobPos, fMcmPos); // 0..511 -> 0..127.75, pedestal at the output
866 UShort_t fptc = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPTC, fDetector, fRobPos, fMcmPos); // 0..3, 0 - fastest, 3 - slowest
867 UShort_t fpby = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPBY, fDetector, fRobPos, fMcmPos); // 0..1 bypass, active low
869 UShort_t accumulatorShifted;
873 inpAdd = value + fpnp;
875 accumulatorShifted = (fPedAcc[adc] >> fgkFPshifts[fptc]) & 0x3FF; // 10 bits
876 if (timebin == 0) // the accumulator is disabled in the drift time
878 correction = (value & 0x3FF) - accumulatorShifted;
879 fPedAcc[adc] = (fPedAcc[adc] + correction) & 0x7FFFFFFF; // 31 bits
885 if (inpAdd <= accumulatorShifted)
889 inpAdd = inpAdd - accumulatorShifted;
897 void AliTRDmcmSim::FilterPedestal()
900 // Apply pedestal filter
902 // As the first filter in the chain it reads data from fADCR
903 // and outputs to fADCF.
904 // It has only an effect if previous samples have been fed to
905 // find the pedestal. Currently, the simulation assumes that
906 // the input has been stable for a sufficiently long time.
908 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
909 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
910 fADCF[iAdc][iTimeBin] = FilterPedestalNextSample(iAdc, iTimeBin, fADCR[iAdc][iTimeBin]);
915 void AliTRDmcmSim::FilterGainInit()
917 // Initializes the gain filter. In this case, only threshold
918 // counters are reset.
920 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
921 // these are counters which in hardware continue
922 // until maximum or reset
923 fGainCounterA[iAdc] = 0;
924 fGainCounterB[iAdc] = 0;
928 UShort_t AliTRDmcmSim::FilterGainNextSample(Int_t adc, UShort_t value)
930 // Apply the gain filter to the given value.
931 // BEGIN_LATEX O_{i}(t) = #gamma_{i} * I_{i}(t) + a_{i} END_LATEX
932 // The output depends on the internal registers and, thus, the
933 // history of the filter.
935 UShort_t fgby = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGBY, fDetector, fRobPos, fMcmPos); // bypass, active low
936 UShort_t fgf = fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGF0 + adc), fDetector, fRobPos, fMcmPos); // 0x700 + (0 & 0x1ff);
937 UShort_t fga = fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGA0 + adc), fDetector, fRobPos, fMcmPos); // 40;
938 UShort_t fgta = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGTA, fDetector, fRobPos, fMcmPos); // 20;
939 UShort_t fgtb = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGTB, fDetector, fRobPos, fMcmPos); // 2060;
941 UInt_t fgfExtended = 0x700 + fgf; // The corr factor which is finally applied has to be extended by 0x700 (hex) or 0.875 (dec)
942 // because fgf=0 correspons to 0.875 and fgf=511 correspons to 1.125 - 2^(-11)
943 // (see TRAP User Manual for details)
945 UInt_t corr; // corrected value
948 corr = (value * fgfExtended) >> 11;
949 corr = corr > 0xfff ? 0xfff : corr;
950 corr = AddUintClipping(corr, fga, 12);
952 // Update threshold counters
953 // not really useful as they are cleared with every new event
954 if (!((fGainCounterA[adc] == 0x3FFFFFF) || (fGainCounterB[adc] == 0x3FFFFFF)))
958 fGainCounterB[adc]++;
959 else if (corr >= fgta)
960 fGainCounterA[adc]++;
969 void AliTRDmcmSim::FilterGain()
971 // Read data from fADCF and apply gain filter.
973 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
974 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
975 fADCF[iAdc][iTimeBin] = FilterGainNextSample(iAdc, fADCF[iAdc][iTimeBin]);
980 void AliTRDmcmSim::FilterTailInit(Int_t baseline)
982 // Initializes the tail filter assuming that the input has
983 // been at the baseline value (configured by FTFP) for a
984 // sufficiently long time.
986 // exponents and weight calculated from configuration
987 UShort_t alphaLong = 0x3ff & fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTAL, fDetector, fRobPos, fMcmPos); // the weight of the long component
988 UShort_t lambdaLong = (1 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLL, fDetector, fRobPos, fMcmPos) & 0x1FF); // the multiplier
989 UShort_t lambdaShort = (0 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLS, fDetector, fRobPos, fMcmPos) & 0x1FF); // the multiplier
991 Float_t lambdaL = lambdaLong * 1.0 / (1 << 11);
992 Float_t lambdaS = lambdaShort * 1.0 / (1 << 11);
993 Float_t alphaL = alphaLong * 1.0 / (1 << 11);
995 qup = (1 - lambdaL) * (1 - lambdaS);
996 qdn = 1 - lambdaS * alphaL - lambdaL * (1 - alphaL);
997 Float_t kdc = qup/qdn;
1003 baseline = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP, fDetector, fRobPos, fMcmPos);
1005 ql = lambdaL * (1 - lambdaS) * alphaL;
1006 qs = lambdaS * (1 - lambdaL) * (1 - alphaL);
1008 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1009 Int_t value = baseline & 0xFFF;
1010 Int_t corr = (value * fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGF0 + iAdc), fDetector, fRobPos, fMcmPos)) >> 11;
1011 corr = corr > 0xfff ? 0xfff : corr;
1012 corr = AddUintClipping(corr, fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGA0 + iAdc), fDetector, fRobPos, fMcmPos), 12);
1014 kt = kdc * baseline;
1015 aout = baseline - (UShort_t) kt;
1017 fTailAmplLong[iAdc] = (UShort_t) (aout * ql / (ql + qs));
1018 fTailAmplShort[iAdc] = (UShort_t) (aout * qs / (ql + qs));
1022 UShort_t AliTRDmcmSim::FilterTailNextSample(Int_t adc, UShort_t value)
1024 // Returns the output of the tail filter for the given input value.
1025 // The output depends on the internal registers and, thus, the
1026 // history of the filter.
1028 // exponents and weight calculated from configuration
1029 UShort_t alphaLong = 0x3ff & fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTAL, fDetector, fRobPos, fMcmPos); // the weight of the long component
1030 UShort_t lambdaLong = (1 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLL, fDetector, fRobPos, fMcmPos) & 0x1FF); // the multiplier of the long component
1031 UShort_t lambdaShort = (0 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLS, fDetector, fRobPos, fMcmPos) & 0x1FF); // the multiplier of the short component
1033 // intermediate signals
1039 UShort_t inpVolt = value & 0xFFF; // 12 bits
1041 // add the present generator outputs
1042 aQ = AddUintClipping(fTailAmplLong[adc], fTailAmplShort[adc], 12);
1044 // calculate the difference between the input and the generated signal
1046 aDiff = inpVolt - aQ;
1050 // the inputs to the two generators, weighted
1051 alInpv = (aDiff * alphaLong) >> 11;
1053 // the new values of the registers, used next time
1055 tmp = AddUintClipping(fTailAmplLong[adc], alInpv, 12);
1056 tmp = (tmp * lambdaLong) >> 11;
1057 fTailAmplLong[adc] = tmp & 0xFFF;
1059 tmp = AddUintClipping(fTailAmplShort[adc], aDiff - alInpv, 12);
1060 tmp = (tmp * lambdaShort) >> 11;
1061 fTailAmplShort[adc] = tmp & 0xFFF;
1063 // the output of the filter
1064 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTBY, fDetector, fRobPos, fMcmPos) == 0) // bypass mode, active low
1070 void AliTRDmcmSim::FilterTail()
1072 // Apply tail cancellation filter to all data.
1074 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1075 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1076 fADCF[iAdc][iTimeBin] = FilterTailNextSample(iAdc, fADCF[iAdc][iTimeBin]);
1081 void AliTRDmcmSim::ZSMapping()
1084 // Zero Suppression Mapping implemented in TRAP chip
1085 // only implemented for up to 30 timebins
1087 // See detail TRAP manual "Data Indication" section:
1088 // http://www.kip.uni-heidelberg.de/ti/TRD/doc/trap/TRAP-UserManual.pdf
1091 if( !CheckInitialized() )
1094 Int_t eBIS = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIS, fDetector, fRobPos, fMcmPos);
1095 Int_t eBIT = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIT, fDetector, fRobPos, fMcmPos);
1096 Int_t eBIL = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIL, fDetector, fRobPos, fMcmPos);
1097 Int_t eBIN = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIN, fDetector, fRobPos, fMcmPos);
1099 Int_t **adc = fADCF;
1101 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++)
1104 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
1105 Int_t iAdc; // current ADC channel
1110 Int_t supp; // suppression of the current channel (low active)
1112 // ----- first channel -----
1116 ac = adc[iAdc ][it]; // current
1117 an = adc[iAdc+1][it]; // next
1119 mask = ( ac >= ap && ac >= an ) ? 0 : 0x1; // peak center detection
1120 mask += ( ap + ac + an > eBIT ) ? 0 : 0x2; // cluster
1121 mask += ( ac > eBIS ) ? 0 : 0x4; // absolute large peak
1123 supp = (eBIL >> mask) & 1;
1125 fZSMap[iAdc] &= ~((1-supp) << it);
1126 if( eBIN == 0 ) { // neighbour sensitivity
1127 fZSMap[iAdc+1] &= ~((1-supp) << it);
1130 // ----- last channel -----
1133 ap = adc[iAdc-1][it]; // previous
1134 ac = adc[iAdc ][it]; // current
1137 mask = ( ac >= ap && ac >= an ) ? 0 : 0x1; // peak center detection
1138 mask += ( ap + ac + an > eBIT ) ? 0 : 0x2; // cluster
1139 mask += ( ac > eBIS ) ? 0 : 0x4; // absolute large peak
1141 supp = (eBIL >> mask) & 1;
1143 fZSMap[iAdc] &= ~((1-supp) << it);
1144 if( eBIN == 0 ) { // neighbour sensitivity
1145 fZSMap[iAdc-1] &= ~((1-supp) << it);
1148 // ----- middle channels -----
1149 for( iAdc = 1 ; iAdc < fgkNADC-1; iAdc++ ) {
1150 ap = adc[iAdc-1][it]; // previous
1151 ac = adc[iAdc ][it]; // current
1152 an = adc[iAdc+1][it]; // next
1154 mask = ( ac >= ap && ac >= an ) ? 0 : 0x1; // peak center detection
1155 mask += ( ap + ac + an > eBIT ) ? 0 : 0x2; // cluster
1156 mask += ( ac > eBIS ) ? 0 : 0x4; // absolute large peak
1158 supp = (eBIL >> mask) & 1;
1160 fZSMap[iAdc] &= ~((1-supp) << it);
1161 if( eBIN == 0 ) { // neighbour sensitivity
1162 fZSMap[iAdc-1] &= ~((1-supp) << it);
1163 fZSMap[iAdc+1] &= ~((1-supp) << it);
1170 void AliTRDmcmSim::AddHitToFitreg(Int_t adc, UShort_t timebin, UShort_t qtot, Short_t ypos, Int_t label[])
1172 // Add the given hit to the fit register which is lateron used for
1173 // the tracklet calculation.
1174 // In addition to the fit sums in the fit register MC information
1177 if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0, fDetector, fRobPos, fMcmPos)) &&
1178 (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE0, fDetector, fRobPos, fMcmPos)))
1179 fFitReg[adc].fQ0 += qtot;
1181 if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS1, fDetector, fRobPos, fMcmPos)) &&
1182 (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1, fDetector, fRobPos, fMcmPos)))
1183 fFitReg[adc].fQ1 += qtot;
1185 if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS, fDetector, fRobPos, fMcmPos) ) &&
1186 (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE, fDetector, fRobPos, fMcmPos)))
1188 fFitReg[adc].fSumX += timebin;
1189 fFitReg[adc].fSumX2 += timebin*timebin;
1190 fFitReg[adc].fNhits++;
1191 fFitReg[adc].fSumY += ypos;
1192 fFitReg[adc].fSumY2 += ypos*ypos;
1193 fFitReg[adc].fSumXY += timebin*ypos;
1194 AliDebug(10, Form("fitreg[%2i] in timebin %2i: X=%i, X2=%i, N=%i, Y=%i, Y2=%i, XY=%i, Q0=%i, Q1=%i",
1195 adc, timebin, fFitReg[adc].fSumX, fFitReg[adc].fSumX2, fFitReg[adc].fNhits,
1196 fFitReg[adc].fSumY, fFitReg[adc].fSumY2, fFitReg[adc].fSumXY, fFitReg[adc].fQ0, fFitReg[adc].fQ1));
1199 // register hits (MC info)
1200 fHits[fNHits].fChannel = adc;
1201 fHits[fNHits].fQtot = qtot;
1202 fHits[fNHits].fYpos = ypos;
1203 fHits[fNHits].fTimebin = timebin;
1204 fHits[fNHits].fLabel[0] = label[0];
1205 fHits[fNHits].fLabel[1] = label[1];
1206 fHits[fNHits].fLabel[2] = label[2];
1210 void AliTRDmcmSim::CalcFitreg()
1213 // Detect the hits and fill the fit registers.
1214 // Requires 12-bit data from fADCF which means Filter()
1215 // has to be called before even if all filters are bypassed.
1217 //??? to be clarified:
1218 UInt_t adcMask = 0xffffffff;
1220 UShort_t timebin, adcch, adcLeft, adcCentral, adcRight, hitQual, timebin1, timebin2, qtotTemp;
1221 Short_t ypos, fromLeft, fromRight, found;
1222 UShort_t qTotal[19+1]; // the last is dummy
1223 UShort_t marked[6], qMarked[6], worse1, worse2;
1225 timebin1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS, fDetector, fRobPos, fMcmPos);
1226 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0, fDetector, fRobPos, fMcmPos)
1228 timebin1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0, fDetector, fRobPos, fMcmPos);
1229 timebin2 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE, fDetector, fRobPos, fMcmPos);
1230 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1, fDetector, fRobPos, fMcmPos)
1232 timebin2 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1, fDetector, fRobPos, fMcmPos);
1234 // reset the fit registers
1236 for (adcch = 0; adcch < fgkNADC-2; adcch++) // due to border channels
1238 fFitReg[adcch].fNhits = 0;
1239 fFitReg[adcch].fQ0 = 0;
1240 fFitReg[adcch].fQ1 = 0;
1241 fFitReg[adcch].fSumX = 0;
1242 fFitReg[adcch].fSumY = 0;
1243 fFitReg[adcch].fSumX2 = 0;
1244 fFitReg[adcch].fSumY2 = 0;
1245 fFitReg[adcch].fSumXY = 0;
1248 for (timebin = timebin1; timebin < timebin2; timebin++)
1250 // first find the hit candidates and store the total cluster charge in qTotal array
1251 // in case of not hit store 0 there.
1252 for (adcch = 0; adcch < fgkNADC-2; adcch++) {
1253 if ( ( (adcMask >> adcch) & 7) == 7) //??? all 3 channels are present in case of ZS
1255 adcLeft = fADCF[adcch ][timebin];
1256 adcCentral = fADCF[adcch+1][timebin];
1257 adcRight = fADCF[adcch+2][timebin];
1258 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPVBY, fDetector, fRobPos, fMcmPos) == 1)
1259 hitQual = ( (adcLeft * adcRight) <
1260 (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPVT, fDetector, fRobPos, fMcmPos) * adcCentral) );
1263 // The accumulated charge is with the pedestal!!!
1264 qtotTemp = adcLeft + adcCentral + adcRight;
1266 (qtotTemp >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPHT, fDetector, fRobPos, fMcmPos)) &&
1267 (adcLeft <= adcCentral) &&
1268 (adcCentral > adcRight) )
1269 qTotal[adcch] = qtotTemp;
1274 qTotal[adcch] = 0; //jkl
1275 if (qTotal[adcch] != 0)
1276 AliDebug(10,Form("ch %2d qTotal %5d",adcch, qTotal[adcch]));
1282 marked[4] = 19; // invalid channel
1283 marked[5] = 19; // invalid channel
1285 while ((adcch < 16) && (found < 3))
1287 if (qTotal[adcch] > 0)
1290 marked[2*found+1]=adcch;
1299 while ((adcch > 2) && (found < 3))
1301 if (qTotal[adcch] > 0)
1303 marked[2*found]=adcch;
1310 AliDebug(10,Form("Fromleft=%d, Fromright=%d",fromLeft, fromRight));
1311 // here mask the hit candidates in the middle, if any
1312 if ((fromLeft >= 0) && (fromRight >= 0) && (fromLeft < fromRight))
1313 for (adcch = fromLeft+1; adcch < fromRight; adcch++)
1317 for (adcch = 0; adcch < 19; adcch++)
1318 if (qTotal[adcch] > 0) found++;
1321 if (found > 4) // sorting like in the TRAP in case of 5 or 6 candidates!
1323 if (marked[4] == marked[5]) marked[5] = 19;
1324 for (found=0; found<6; found++)
1326 qMarked[found] = qTotal[marked[found]] >> 4;
1327 AliDebug(10,Form("ch_%d qTotal %d qTotals %d",marked[found],qTotal[marked[found]],qMarked[found]));
1330 Sort6To2Worst(marked[0], marked[3], marked[4], marked[1], marked[2], marked[5],
1338 // Now mask the two channels with the smallest charge
1342 AliDebug(10,Form("Kill ch %d\n",worse1));
1347 AliDebug(10,Form("Kill ch %d\n",worse2));
1351 for (adcch = 0; adcch < 19; adcch++) {
1352 if (qTotal[adcch] > 0) // the channel is marked for processing
1354 adcLeft = fADCF[adcch ][timebin];
1355 adcCentral = fADCF[adcch+1][timebin];
1356 adcRight = fADCF[adcch+2][timebin];
1357 // hit detected, in TRAP we have 4 units and a hit-selection, here we proceed all channels!
1358 // subtract the pedestal TPFP, clipping instead of wrapping
1360 Int_t regTPFP = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP, fDetector, fRobPos, fMcmPos);
1361 AliDebug(10, Form("Hit found, time=%d, adcch=%d/%d/%d, adc values=%d/%d/%d, regTPFP=%d, TPHT=%d\n",
1362 timebin, adcch, adcch+1, adcch+2, adcLeft, adcCentral, adcRight, regTPFP,
1363 fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPHT, fDetector, fRobPos, fMcmPos)));
1365 if (adcLeft < regTPFP) adcLeft = 0; else adcLeft -= regTPFP;
1366 if (adcCentral < regTPFP) adcCentral = 0; else adcCentral -= regTPFP;
1367 if (adcRight < regTPFP) adcRight = 0; else adcRight -= regTPFP;
1369 // Calculate the center of gravity
1370 // checking for adcCentral != 0 (in case of "bad" configuration)
1371 if (adcCentral == 0)
1373 ypos = 128*(adcRight - adcLeft) / adcCentral;
1374 if (ypos < 0) ypos = -ypos;
1375 // make the correction using the position LUT
1376 ypos = ypos + fTrapConfig->GetTrapReg((AliTRDtrapConfig::TrapReg_t) (AliTRDtrapConfig::kTPL00 + (ypos & 0x7F)),
1377 fDetector, fRobPos, fMcmPos);
1378 if (adcLeft > adcRight) ypos = -ypos;
1380 // label calculation (up to 3)
1381 Int_t mcLabel[] = {-1, -1, -1};
1382 if (fDigitsManager) {
1383 const Int_t maxLabels = 9;
1384 Int_t label[maxLabels] = { 0 }; // up to 9 different labels possible
1385 Int_t count[maxLabels] = { 0 };
1388 padcol[0] = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adcch);
1389 padcol[1] = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adcch+1);
1390 padcol[2] = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adcch+2);
1391 Int_t padrow = fFeeParam->GetPadRowFromMCM(fRobPos, fMcmPos);
1392 for (Int_t iDict = 0; iDict < 3; iDict++) {
1395 for (Int_t iPad = 0; iPad < 3; iPad++) {
1396 if (padcol[iPad] < 0)
1398 Int_t currLabel = fDict[iDict]->GetData(padrow, padcol[iPad], timebin);
1399 AliDebug(10, Form("Read label: %4i for det: %3i, row: %i, col: %i, tb: %i\n", currLabel, fDetector, padrow, padcol[iPad], timebin));
1400 for (Int_t iLabel = 0; iLabel < nLabels; iLabel++) {
1401 if (currLabel == label[iLabel]) {
1407 if (currLabel >= 0) {
1408 label[nLabels] = currLabel;
1414 Int_t index[2*maxLabels];
1415 TMath::Sort(maxLabels, count, index);
1416 for (Int_t i = 0; i < 3; i++) {
1417 if (count[index[i]] <= 0)
1419 mcLabel[i] = label[index[i]];
1423 // add the hit to the fitregister
1424 AddHitToFitreg(adcch, timebin, qTotal[adcch] >> fgkAddDigits, ypos, mcLabel);
1429 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1430 if (fFitReg[iAdc].fNhits != 0) {
1431 AliDebug(2, Form("fitreg[%i]: nHits = %i, sumX = %i, sumY = %i, sumX2 = %i, sumY2 = %i, sumXY = %i", iAdc,
1432 fFitReg[iAdc].fNhits,
1433 fFitReg[iAdc].fSumX,
1434 fFitReg[iAdc].fSumY,
1435 fFitReg[iAdc].fSumX2,
1436 fFitReg[iAdc].fSumY2,
1437 fFitReg[iAdc].fSumXY
1443 void AliTRDmcmSim::TrackletSelection()
1445 // Select up to 4 tracklet candidates from the fit registers
1446 // and assign them to the CPUs.
1448 UShort_t adcIdx, i, j, ntracks, tmp;
1449 UShort_t trackletCand[18][2]; // store the adcch[0] and number of hits[1] for all tracklet candidates
1452 for (adcIdx = 0; adcIdx < 18; adcIdx++) // ADCs
1453 if ( (fFitReg[adcIdx].fNhits
1454 >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPCL, fDetector, fRobPos, fMcmPos)) &&
1455 (fFitReg[adcIdx].fNhits+fFitReg[adcIdx+1].fNhits
1456 >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPCT, fDetector, fRobPos, fMcmPos)))
1458 trackletCand[ntracks][0] = adcIdx;
1459 trackletCand[ntracks][1] = fFitReg[adcIdx].fNhits+fFitReg[adcIdx+1].fNhits;
1460 AliDebug(10,Form("%d %2d %4d\n", ntracks, trackletCand[ntracks][0], trackletCand[ntracks][1]));
1464 for (i=0; i<ntracks;i++)
1465 AliDebug(10,Form("%d %d %d\n",i,trackletCand[i][0], trackletCand[i][1]));
1469 // primitive sorting according to the number of hits
1470 for (j = 0; j < (ntracks-1); j++)
1472 for (i = j+1; i < ntracks; i++)
1474 if ( (trackletCand[j][1] < trackletCand[i][1]) ||
1475 ( (trackletCand[j][1] == trackletCand[i][1]) && (trackletCand[j][0] < trackletCand[i][0]) ) )
1478 tmp = trackletCand[j][1];
1479 trackletCand[j][1] = trackletCand[i][1];
1480 trackletCand[i][1] = tmp;
1481 tmp = trackletCand[j][0];
1482 trackletCand[j][0] = trackletCand[i][0];
1483 trackletCand[i][0] = tmp;
1487 ntracks = 4; // cut the rest, 4 is the max
1489 // else is not necessary to sort
1491 // now sort, so that the first tracklet going to CPU0 corresponds to the highest adc channel - as in the TRAP
1492 for (j = 0; j < (ntracks-1); j++)
1494 for (i = j+1; i < ntracks; i++)
1496 if (trackletCand[j][0] < trackletCand[i][0])
1499 tmp = trackletCand[j][1];
1500 trackletCand[j][1] = trackletCand[i][1];
1501 trackletCand[i][1] = tmp;
1502 tmp = trackletCand[j][0];
1503 trackletCand[j][0] = trackletCand[i][0];
1504 trackletCand[i][0] = tmp;
1508 for (i = 0; i < ntracks; i++) // CPUs with tracklets.
1509 fFitPtr[i] = trackletCand[i][0]; // pointer to the left channel with tracklet for CPU[i]
1510 for (i = ntracks; i < 4; i++) // CPUs without tracklets
1511 fFitPtr[i] = 31; // pointer to the left channel with tracklet for CPU[i] = 31 (invalid)
1512 AliDebug(10,Form("found %i tracklet candidates\n", ntracks));
1513 for (i = 0; i < 4; i++)
1514 AliDebug(10,Form("fitPtr[%i]: %i\n", i, fFitPtr[i]));
1517 void AliTRDmcmSim::FitTracklet()
1519 // Perform the actual tracklet fit based on the fit sums
1520 // which have been filled in the fit registers.
1522 // parameters in fitred.asm (fit program)
1524 Int_t decPlaces = 5; // must be larger than 1 or change the following code
1525 // if (decPlaces > 1)
1526 rndAdd = (1 << (decPlaces-1)) + 1;
1527 // else if (decPlaces == 1)
1530 Int_t ndriftDp = 5; // decimal places for drift time
1531 Long64_t shift = ((Long64_t) 1 << 32);
1533 // calculated in fitred.asm
1534 Int_t padrow = ((fRobPos >> 1) << 2) | (fMcmPos >> 2);
1535 Int_t yoffs = (((((fRobPos & 0x1) << 2) + (fMcmPos & 0x3)) * 18) << 8) -
1536 ((18*4*2 - 18*2 - 1) << 7);
1537 yoffs = yoffs << decPlaces; // holds position of ADC channel 1
1538 Int_t layer = fDetector % 6;
1539 UInt_t scaleY = (UInt_t) ((0.635 + 0.03 * layer)/(256.0 * 160.0e-4) * shift);
1540 UInt_t scaleD = (UInt_t) ((0.635 + 0.03 * layer)/(256.0 * 140.0e-4) * shift);
1542 Int_t deflCorr = (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCorr, fDetector, fRobPos, fMcmPos);
1543 Int_t ndrift = (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrNdrift, fDetector, fRobPos, fMcmPos);
1545 // local variables for calculation
1546 Long64_t mult, temp, denom; //???
1547 UInt_t q0, q1, pid; // charges in the two windows and total charge
1548 UShort_t nHits; // number of hits
1549 Int_t slope, offset; // slope and offset of the tracklet
1550 Int_t sumX, sumY, sumXY, sumX2; // fit sums from fit registers
1551 Int_t sumY2; // not used in the current TRAP program, now used for error calculation (simulation only)
1552 Float_t fitError, fitSlope, fitOffset;
1553 FitReg_t *fit0, *fit1; // pointers to relevant fit registers
1555 // const uint32_t OneDivN[32] = { // 2**31/N : exactly like in the TRAP, the simple division here gives the same result!
1556 // 0x00000000, 0x80000000, 0x40000000, 0x2AAAAAA0, 0x20000000, 0x19999990, 0x15555550, 0x12492490,
1557 // 0x10000000, 0x0E38E380, 0x0CCCCCC0, 0x0BA2E8B0, 0x0AAAAAA0, 0x09D89D80, 0x09249240, 0x08888880,
1558 // 0x08000000, 0x07878780, 0x071C71C0, 0x06BCA1A0, 0x06666660, 0x06186180, 0x05D17450, 0x0590B210,
1559 // 0x05555550, 0x051EB850, 0x04EC4EC0, 0x04BDA120, 0x04924920, 0x0469EE50, 0x04444440, 0x04210840};
1561 for (Int_t cpu = 0; cpu < 4; cpu++) {
1562 if (fFitPtr[cpu] == 31)
1564 fMCMT[cpu] = 0x10001000; //??? AliTRDfeeParam::GetTrackletEndmarker();
1568 fit0 = &fFitReg[fFitPtr[cpu] ];
1569 fit1 = &fFitReg[fFitPtr[cpu]+1]; // next channel
1572 mult = mult << (32 + decPlaces);
1576 nHits = fit0->fNhits + fit1->fNhits; // number of hits
1577 sumX = fit0->fSumX + fit1->fSumX;
1578 sumX2 = fit0->fSumX2 + fit1->fSumX2;
1579 denom = ((Long64_t) nHits)*((Long64_t) sumX2) - ((Long64_t) sumX)*((Long64_t) sumX);
1581 mult = mult / denom; // exactly like in the TRAP program
1582 q0 = fit0->fQ0 + fit1->fQ0;
1583 q1 = fit0->fQ1 + fit1->fQ1;
1584 sumY = fit0->fSumY + fit1->fSumY + 256*fit1->fNhits;
1585 sumXY = fit0->fSumXY + fit1->fSumXY + 256*fit1->fSumX;
1586 sumY2 = fit0->fSumY2 + fit1->fSumY2 + 512*fit1->fSumY + 256*256*fit1->fNhits;
1588 slope = nHits*sumXY - sumX * sumY;
1589 offset = sumX2*sumY - sumX * sumXY;
1590 temp = mult * slope;
1591 slope = temp >> 32; // take the upper 32 bits
1593 temp = mult * offset;
1594 offset = temp >> 32; // take the upper 32 bits
1596 offset = offset + yoffs;
1597 AliDebug(10, Form("slope = %i, slope * ndrift = %i, deflCorr: %i",
1598 slope, slope * ndrift, deflCorr));
1599 slope = ((slope * ndrift) >> ndriftDp) + deflCorr;
1600 offset = offset - (fFitPtr[cpu] << (8 + decPlaces));
1603 temp = temp * scaleD;
1604 slope = (temp >> 32);
1606 temp = temp * scaleY;
1607 offset = (temp >> 32);
1609 // rounding, like in the TRAP
1610 slope = (slope + rndAdd) >> decPlaces;
1611 offset = (offset + rndAdd) >> decPlaces;
1613 AliDebug(5, Form("Det: %3i, ROB: %i, MCM: %2i: deflection: %i, min: %i, max: %i",
1614 fDetector, fRobPos, fMcmPos, slope,
1615 (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos),
1616 (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 1 + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos)));
1618 AliDebug(5, Form("Fit sums: x = %i, X = %i, y = %i, Y = %i, Z = %i",
1619 sumX, sumX2, sumY, sumY2, sumXY));
1621 fitSlope = (Float_t) (nHits * sumXY - sumX * sumY) / (nHits * sumX2 - sumX*sumX);
1623 fitOffset = (Float_t) (sumX2 * sumY - sumX * sumXY) / (nHits * sumX2 - sumX*sumX);
1625 Float_t sx = (Float_t) sumX;
1626 Float_t sx2 = (Float_t) sumX2;
1627 Float_t sy = (Float_t) sumY;
1628 Float_t sy2 = (Float_t) sumY2;
1629 Float_t sxy = (Float_t) sumXY;
1630 fitError = sy2 - (sx2 * sy*sy - 2 * sx * sxy * sy + nHits * sxy*sxy) / (nHits * sx2 - sx*sx);
1631 //fitError = (Float_t) sumY2 - (Float_t) (sumY*sumY) / nHits - fitSlope * ((Float_t) (sumXY - sumX*sumY) / nHits);
1633 Bool_t rejected = kFALSE;
1634 // deflection range table from DMEM
1635 if ((slope < ((Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos))) ||
1636 (slope > ((Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 1 + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos))))
1639 if (rejected && GetApplyCut())
1641 fMCMT[cpu] = 0x10001000; //??? AliTRDfeeParam::GetTrackletEndmarker();
1645 if (slope > 63 || slope < -64) { // wrapping in TRAP!
1646 AliDebug(1,Form("Overflow in slope: %i, tracklet discarded!", slope));
1647 fMCMT[cpu] = 0x10001000;
1651 slope = slope & 0x7F; // 7 bit
1653 if (offset > 0xfff || offset < -0xfff)
1654 AliWarning("Overflow in offset");
1655 offset = offset & 0x1FFF; // 13 bit
1657 pid = GetPID(q0, q1);
1660 AliWarning("Overflow in PID");
1661 pid = pid & 0xFF; // 8 bit, exactly like in the TRAP program
1663 // assemble and store the tracklet word
1664 fMCMT[cpu] = (pid << 24) | (padrow << 20) | (slope << 13) | offset;
1666 // calculate MC label
1667 Int_t mcLabel[] = { -1, -1, -1};
1670 if (fDigitsManager) {
1671 const Int_t maxLabels = 30;
1672 Int_t label[maxLabels] = {0}; // up to 30 different labels possible
1673 Int_t count[maxLabels] = {0};
1675 for (Int_t iHit = 0; iHit < fNHits; iHit++) {
1676 if ((fHits[iHit].fChannel - fFitPtr[cpu] < 0) ||
1677 (fHits[iHit].fChannel - fFitPtr[cpu] > 1))
1680 // counting contributing hits
1681 if (fHits[iHit].fTimebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0, fDetector, fRobPos, fMcmPos) &&
1682 fHits[iHit].fTimebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE0, fDetector, fRobPos, fMcmPos))
1684 if (fHits[iHit].fTimebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS1, fDetector, fRobPos, fMcmPos) &&
1685 fHits[iHit].fTimebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1, fDetector, fRobPos, fMcmPos))
1688 for (Int_t i = 0; i < 3; i++) {
1689 Int_t currLabel = fHits[iHit].fLabel[i];
1690 for (Int_t iLabel = 0; iLabel < nLabels; iLabel++) {
1691 if (currLabel == label[iLabel]) {
1697 if (currLabel >= 0 && nLabels < maxLabels) {
1698 label[nLabels] = currLabel;
1704 Int_t index[2*maxLabels];
1705 TMath::Sort(maxLabels, count, index);
1706 for (Int_t i = 0; i < 3; i++) {
1707 if (count[index[i]] <= 0)
1709 mcLabel[i] = label[index[i]];
1712 new ((*fTrackletArray)[fTrackletArray->GetEntriesFast()]) AliTRDtrackletMCM((UInt_t) fMCMT[cpu], fDetector*2 + fRobPos%2, fRobPos, fMcmPos);
1713 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetLabel(mcLabel);
1716 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetNHits(fit0->fNhits + fit1->fNhits);
1717 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetNHits0(nHits0);
1718 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetNHits1(nHits1);
1719 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetQ0(q0);
1720 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetQ1(q1);
1721 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetSlope(fitSlope);
1722 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetOffset(fitOffset);
1723 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetError(TMath::Sqrt(TMath::Abs(fitError)/nHits));
1725 // // cluster information
1726 // Float_t *res = new Float_t[nHits];
1727 // Float_t *qtot = new Float_t[nHits];
1729 // for (Int_t iHit = 0; iHit < fNHits; iHit++) {
1730 // // check if hit contributes
1731 // if (fHits[iHit].fChannel == fFitPtr[cpu]) {
1732 // res[nCls] = fHits[iHit].fYpos - (fitSlope * fHits[iHit].fTimebin + fitOffset);
1733 // qtot[nCls] = fHits[iHit].fQtot;
1736 // else if (fHits[iHit].fChannel == fFitPtr[cpu] + 1) {
1737 // res[nCls] = fHits[iHit].fYpos + 256 - (fitSlope * fHits[iHit].fTimebin + fitOffset);
1738 // qtot[nCls] = fHits[iHit].fQtot;
1742 // ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetClusters(res, qtot, nCls);
1747 AliError(Form("Strange fit error: %f from Sx: %i, Sy: %i, Sxy: %i, Sx2: %i, Sy2: %i, nHits: %i",
1748 fitError, sumX, sumY, sumXY, sumX2, sumY2, nHits));
1749 AliDebug(3, Form("fit slope: %f, offset: %f, error: %f",
1750 fitSlope, fitOffset, TMath::Sqrt(TMath::Abs(fitError)/nHits)));
1756 void AliTRDmcmSim::Tracklet()
1758 // Run the tracklet calculation by calling sequentially:
1759 // CalcFitreg(); TrackletSelection(); FitTracklet()
1760 // and store the tracklets
1762 if (!fInitialized) {
1763 AliError("Called uninitialized! Nothing done!");
1767 fTrackletArray->Delete();
1772 TrackletSelection();
1776 Bool_t AliTRDmcmSim::StoreTracklets()
1778 // store the found tracklets via the loader
1780 if (fTrackletArray->GetEntriesFast() == 0)
1783 AliRunLoader *rl = AliRunLoader::Instance();
1784 AliDataLoader *dl = 0x0;
1786 dl = rl->GetLoader("TRDLoader")->GetDataLoader("tracklets");
1788 AliError("Could not get the tracklets data loader!");
1792 TTree *trackletTree = dl->Tree();
1793 if (!trackletTree) {
1795 trackletTree = dl->Tree();
1798 AliTRDtrackletMCM *trkl = 0x0;
1799 TBranch *trkbranch = trackletTree->GetBranch(fTrklBranchName.Data());
1801 trkbranch = trackletTree->Branch(fTrklBranchName.Data(), "AliTRDtrackletMCM", &trkl, 32000);
1803 for (Int_t iTracklet = 0; iTracklet < fTrackletArray->GetEntriesFast(); iTracklet++) {
1804 trkl = ((AliTRDtrackletMCM*) (*fTrackletArray)[iTracklet]);
1805 trkbranch->SetAddress(&trkl);
1812 void AliTRDmcmSim::WriteData(AliTRDarrayADC *digits)
1814 // write back the processed data configured by EBSF
1815 // EBSF = 1: unfiltered data; EBSF = 0: filtered data
1816 // zero-suppressed valued are written as -1 to digits
1818 if( !CheckInitialized() )
1821 Int_t offset = (fMcmPos % 4 + 1) * 21 + (fRobPos % 2) * 84 - 1;
1823 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBSF, fDetector, fRobPos, fMcmPos) != 0) // store unfiltered data
1825 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1826 if (~fZSMap[iAdc] == 0) {
1827 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1828 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, -1);
1831 else if (iAdc < 2 || iAdc == 20) {
1832 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1833 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, (fADCR[iAdc][iTimeBin] >> fgkAddDigits) - fgAddBaseline);
1839 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1840 if (~fZSMap[iAdc] != 0) {
1841 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1842 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, (fADCF[iAdc][iTimeBin] >> fgkAddDigits) - fgAddBaseline);
1846 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1847 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, -1);
1855 // ******************************
1858 // Memory area for the LUT: 0xC100 to 0xC3FF
1860 // The addresses for the parameters (the order is optimized for maximum calculation speed in the MCMs):
1862 // 0xC029: nBins(sF)
1864 // 0xC02B: TableLength
1865 // Defined in AliTRDtrapConfig.h
1867 // The algorithm implemented in the TRAP program of the MCMs (Venelin Angelov)
1868 // 1) set the read pointer to the beginning of the Parameters in DMEM
1869 // 2) shift right the FitReg with the Q0 + (Q1 << 16) to get Q1
1870 // 3) read cor1 with rpointer++
1872 // 5) read nBins with rpointer++
1873 // 6) start nBins*cor1*Q1
1874 // 7) read cor0 with rpointer++
1875 // 8) swap hi-low parts in FitReg, now is Q1 + (Q0 << 16)
1876 // 9) shift right to get Q0
1877 // 10) start cor0*Q0
1878 // 11) read TableLength
1879 // 12) compare cor0*Q0 with nBins
1880 // 13) if >=, clip cor0*Q0 to nBins-1
1881 // 14) add cor0*Q0 to nBins*cor1*Q1
1882 // 15) compare the result with TableLength
1883 // 16) if >=, clip to TableLength-1
1884 // 17) read from the LUT 8 bits
1887 Int_t AliTRDmcmSim::GetPID(Int_t q0, Int_t q1)
1889 // return PID calculated from charges accumulated in two time windows
1894 UInt_t nBinsQ0 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTnbins); // number of bins in q0 / 4 !!
1895 UInt_t pidTotalSize = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength);
1896 if(nBinsQ0==0 || pidTotalSize==0) // make sure we don't run into trouble if the value for Q0 is not configured
1897 return 0; // Q1 not configured is ok for 1D LUT
1899 ULong_t corrQ0 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTcor0, fDetector, fRobPos, fMcmPos);
1900 ULong_t corrQ1 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTcor1, fDetector, fRobPos, fMcmPos);
1901 if(corrQ0==0) // make sure we don't run into trouble if one of the values is not configured
1905 addrQ0 = (((addrQ0*q0)>>16)>>16); // because addrQ0 = (q0 * corrQ0) >> 32; does not work for unknown reasons
1907 if(addrQ0 >= nBinsQ0) { // check for overflow
1908 AliDebug(5,Form("Overflow in q0: %llu/4 is bigger then %u", addrQ0, nBinsQ0));
1909 addrQ0 = nBinsQ0 -1;
1913 addr = (((addr*q1)>>16)>>16);
1914 addr = addrQ0 + nBinsQ0*addr; // because addr = addrQ0 + nBinsQ0* (((corrQ1*q1)>>32); does not work
1916 if(addr >= pidTotalSize) {
1917 AliDebug(5,Form("Overflow in q1. Address %llu/4 is bigger then %u", addr, pidTotalSize));
1918 addr = pidTotalSize -1;
1921 // For a LUT with 11 input and 8 output bits, the first memory address is set to LUT[0] | (LUT[1] << 8) | (LUT[2] << 16) | (LUT[3] << 24)
1923 UInt_t result = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTStart+(addr/4));
1924 return (result>>((addr%4)*8)) & 0xFF;
1929 // help functions, to be cleaned up
1931 UInt_t AliTRDmcmSim::AddUintClipping(UInt_t a, UInt_t b, UInt_t nbits) const
1934 // This function adds a and b (unsigned) and clips to
1935 // the specified number of bits.
1941 UInt_t maxv = (1 << nbits) - 1;;
1947 if ((sum < a) || (sum < b))
1953 void AliTRDmcmSim::Sort2(UShort_t idx1i, UShort_t idx2i, \
1954 UShort_t val1i, UShort_t val2i, \
1955 UShort_t * const idx1o, UShort_t * const idx2o, \
1956 UShort_t * const val1o, UShort_t * const val2o) const
1958 // sorting for tracklet selection
1976 void AliTRDmcmSim::Sort3(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, \
1977 UShort_t val1i, UShort_t val2i, UShort_t val3i, \
1978 UShort_t * const idx1o, UShort_t * const idx2o, UShort_t * const idx3o, \
1979 UShort_t * const val1o, UShort_t * const val2o, UShort_t * const val3o)
1981 // sorting for tracklet selection
1986 if (val1i > val2i) sel=4; else sel=0;
1987 if (val2i > val3i) sel=sel + 2;
1988 if (val3i > val1i) sel=sel + 1;
1991 case 6 : // 1 > 2 > 3 => 1 2 3
1992 case 0 : // 1 = 2 = 3 => 1 2 3 : in this case doesn't matter, but so is in hardware!
2001 case 4 : // 1 > 2, 2 <= 3, 3 <= 1 => 1 3 2
2010 case 2 : // 1 <= 2, 2 > 3, 3 <= 1 => 2 1 3
2019 case 3 : // 1 <= 2, 2 > 3, 3 > 1 => 2 3 1
2028 case 1 : // 1 <= 2, 2 <= 3, 3 > 1 => 3 2 1
2037 case 5 : // 1 > 2, 2 <= 3, 3 > 1 => 3 1 2
2046 default: // the rest should NEVER happen!
2047 AliError("ERROR in Sort3!!!\n");
2052 void AliTRDmcmSim::Sort6To4(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, UShort_t idx4i, UShort_t idx5i, UShort_t idx6i, \
2053 UShort_t val1i, UShort_t val2i, UShort_t val3i, UShort_t val4i, UShort_t val5i, UShort_t val6i, \
2054 UShort_t * const idx1o, UShort_t * const idx2o, UShort_t * const idx3o, UShort_t * const idx4o, \
2055 UShort_t * const val1o, UShort_t * const val2o, UShort_t * const val3o, UShort_t * const val4o)
2057 // sorting for tracklet selection
2059 UShort_t idx21s, idx22s, idx23s, dummy;
2060 UShort_t val21s, val22s, val23s;
2061 UShort_t idx23as, idx23bs;
2062 UShort_t val23as, val23bs;
2064 Sort3(idx1i, idx2i, idx3i, val1i, val2i, val3i,
2065 idx1o, &idx21s, &idx23as,
2066 val1o, &val21s, &val23as);
2068 Sort3(idx4i, idx5i, idx6i, val4i, val5i, val6i,
2069 idx2o, &idx22s, &idx23bs,
2070 val2o, &val22s, &val23bs);
2072 Sort2(idx23as, idx23bs, val23as, val23bs, &idx23s, &dummy, &val23s, &dummy);
2074 Sort3(idx21s, idx22s, idx23s, val21s, val22s, val23s,
2075 idx3o, idx4o, &dummy,
2076 val3o, val4o, &dummy);
2080 void AliTRDmcmSim::Sort6To2Worst(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, UShort_t idx4i, UShort_t idx5i, UShort_t idx6i, \
2081 UShort_t val1i, UShort_t val2i, UShort_t val3i, UShort_t val4i, UShort_t val5i, UShort_t val6i, \
2082 UShort_t * const idx5o, UShort_t * const idx6o)
2084 // sorting for tracklet selection
2086 UShort_t idx21s, idx22s, idx23s, dummy1, dummy2, dummy3, dummy4, dummy5;
2087 UShort_t val21s, val22s, val23s;
2088 UShort_t idx23as, idx23bs;
2089 UShort_t val23as, val23bs;
2091 Sort3(idx1i, idx2i, idx3i, val1i, val2i, val3i,
2092 &dummy1, &idx21s, &idx23as,
2093 &dummy2, &val21s, &val23as);
2095 Sort3(idx4i, idx5i, idx6i, val4i, val5i, val6i,
2096 &dummy1, &idx22s, &idx23bs,
2097 &dummy2, &val22s, &val23bs);
2099 Sort2(idx23as, idx23bs, val23as, val23bs, &idx23s, idx5o, &val23s, &dummy1);
2101 Sort3(idx21s, idx22s, idx23s, val21s, val22s, val23s,
2102 &dummy1, &dummy2, idx6o,
2103 &dummy3, &dummy4, &dummy5);
2107 // ----- I/O implementation -----
2109 ostream& AliTRDmcmSim::Text(ostream& os)
2111 // manipulator to activate output in text format (default)
2113 os.iword(fgkFormatIndex) = 0;
2117 ostream& AliTRDmcmSim::Cfdat(ostream& os)
2119 // manipulator to activate output in CFDAT format
2120 // to send to the FEE via SCSN
2122 os.iword(fgkFormatIndex) = 1;
2126 ostream& AliTRDmcmSim::Raw(ostream& os)
2128 // manipulator to activate output as raw data dump
2130 os.iword(fgkFormatIndex) = 2;
2134 ostream& operator<<(ostream& os, const AliTRDmcmSim& mcm)
2136 // output implementation
2138 // no output for non-initialized MCM
2139 if (!mcm.CheckInitialized())
2142 // ----- human-readable output -----
2143 if (os.iword(AliTRDmcmSim::fgkFormatIndex) == 0) {
2145 os << "MCM " << mcm.fMcmPos << " on ROB " << mcm.fRobPos <<
2146 " in detector " << mcm.fDetector << std::endl;
2148 os << "----- Unfiltered ADC data (10 bit) -----" << std::endl;
2150 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++)
2151 os << std::setw(5) << iChannel;
2153 for (Int_t iTimeBin = 0; iTimeBin < mcm.fNTimeBin; iTimeBin++) {
2154 os << "tb " << std::setw(2) << iTimeBin << ":";
2155 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++) {
2156 os << std::setw(5) << (mcm.fADCR[iChannel][iTimeBin] >> mcm.fgkAddDigits);
2161 os << "----- Filtered ADC data (10+2 bit) -----" << std::endl;
2163 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++)
2164 os << std::setw(4) << iChannel
2165 << ((~mcm.fZSMap[iChannel] != 0) ? "!" : " ");
2167 for (Int_t iTimeBin = 0; iTimeBin < mcm.fNTimeBin; iTimeBin++) {
2168 os << "tb " << std::setw(2) << iTimeBin << ":";
2169 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++) {
2170 os << std::setw(4) << (mcm.fADCF[iChannel][iTimeBin])
2171 << (((mcm.fZSMap[iChannel] & (1 << iTimeBin)) == 0) ? "!" : " ");
2177 // ----- CFDAT output -----
2178 else if(os.iword(AliTRDmcmSim::fgkFormatIndex) == 1) {
2180 Int_t addrOffset = 0x2000;
2181 Int_t addrStep = 0x80;
2183 for (Int_t iTimeBin = 0; iTimeBin < mcm.fNTimeBin; iTimeBin++) {
2184 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++) {
2185 os << std::setw(5) << 10
2186 << std::setw(5) << addrOffset + iChannel * addrStep + iTimeBin
2187 << std::setw(5) << (mcm.fADCF[iChannel][iTimeBin])
2188 << std::setw(5) << dest << std::endl;
2194 // ----- raw data ouptut -----
2195 else if (os.iword(AliTRDmcmSim::fgkFormatIndex) == 2) {
2196 Int_t bufSize = 300;
2197 UInt_t *buf = new UInt_t[bufSize];
2199 Int_t bufLength = mcm.ProduceRawStream(&buf[0], bufSize);
2201 for (Int_t i = 0; i < bufLength; i++)
2202 std::cout << "0x" << std::hex << buf[i] << std::dec << std::endl;
2208 os << "unknown format set" << std::endl;
2215 void AliTRDmcmSim::PrintFitRegXml(ostream& os) const
2217 // print fit registres in XML format
2219 bool tracklet=false;
2221 for (Int_t cpu = 0; cpu < 4; cpu++) {
2222 if(fFitPtr[cpu] != 31)
2226 if(tracklet==true) {
2227 os << "<nginject>" << std::endl;
2228 os << "<ack roc=\""<< fDetector << "\" cmndid=\"0\">" << std::endl;
2229 os << "<dmem-readout>" << std::endl;
2230 os << "<d det=\"" << fDetector << "\">" << std::endl;
2231 os << " <ro-board rob=\"" << fRobPos << "\">" << std::endl;
2232 os << " <m mcm=\"" << fMcmPos << "\">" << std::endl;
2234 for(int cpu=0; cpu<4; cpu++) {
2235 os << " <c cpu=\"" << cpu << "\">" << std::endl;
2236 if(fFitPtr[cpu] != 31) {
2237 for(int adcch=fFitPtr[cpu]; adcch<fFitPtr[cpu]+2; adcch++) {
2238 os << " <ch chnr=\"" << adcch << "\">"<< std::endl;
2239 os << " <hits>" << fFitReg[adcch].fNhits << "</hits>"<< std::endl;
2240 os << " <q0>" << fFitReg[adcch].fQ0/4 << "</q0>"<< std::endl; // divided by 4 because in simulation we have 2 additional decimal places
2241 os << " <q1>" << fFitReg[adcch].fQ1/4 << "</q1>"<< std::endl; // in the output
2242 os << " <sumx>" << fFitReg[adcch].fSumX << "</sumx>"<< std::endl;
2243 os << " <sumxsq>" << fFitReg[adcch].fSumX2 << "</sumxsq>"<< std::endl;
2244 os << " <sumy>" << fFitReg[adcch].fSumY << "</sumy>"<< std::endl;
2245 os << " <sumysq>" << fFitReg[adcch].fSumY2 << "</sumysq>"<< std::endl;
2246 os << " <sumxy>" << fFitReg[adcch].fSumXY << "</sumxy>"<< std::endl;
2247 os << " </ch>" << std::endl;
2250 os << " </c>" << std::endl;
2252 os << " </m>" << std::endl;
2253 os << " </ro-board>" << std::endl;
2254 os << "</d>" << std::endl;
2255 os << "</dmem-readout>" << std::endl;
2256 os << "</ack>" << std::endl;
2257 os << "</nginject>" << std::endl;
2262 void AliTRDmcmSim::PrintTrackletsXml(ostream& os) const
2264 // print tracklets in XML format
2266 os << "<nginject>" << std::endl;
2267 os << "<ack roc=\""<< fDetector << "\" cmndid=\"0\">" << std::endl;
2268 os << "<dmem-readout>" << std::endl;
2269 os << "<d det=\"" << fDetector << "\">" << std::endl;
2270 os << " <ro-board rob=\"" << fRobPos << "\">" << std::endl;
2271 os << " <m mcm=\"" << fMcmPos << "\">" << std::endl;
2273 Int_t pid, padrow, slope, offset;
2274 for(Int_t cpu=0; cpu<4; cpu++) {
2275 if(fMCMT[cpu] == 0x10001000) {
2282 pid = (fMCMT[cpu] & 0xFF000000) >> 24;
2283 padrow = (fMCMT[cpu] & 0xF00000 ) >> 20;
2284 slope = (fMCMT[cpu] & 0xFE000 ) >> 13;
2285 offset = (fMCMT[cpu] & 0x1FFF ) ;
2288 os << " <trk> <pid>" << pid << "</pid>" << " <padrow>" << padrow << "</padrow>"
2289 << " <slope>" << slope << "</slope>" << " <offset>" << offset << "</offset>" << "</trk>" << std::endl;
2292 os << " </m>" << std::endl;
2293 os << " </ro-board>" << std::endl;
2294 os << "</d>" << std::endl;
2295 os << "</dmem-readout>" << std::endl;
2296 os << "</ack>" << std::endl;
2297 os << "</nginject>" << std::endl;
2301 void AliTRDmcmSim::PrintAdcDatHuman(ostream& os) const
2303 // print ADC data in human-readable format
2305 os << "MCM " << fMcmPos << " on ROB " << fRobPos <<
2306 " in detector " << fDetector << std::endl;
2308 os << "----- Unfiltered ADC data (10 bit) -----" << std::endl;
2310 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++)
2311 os << std::setw(5) << iChannel;
2313 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2314 os << "tb " << std::setw(2) << iTimeBin << ":";
2315 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2316 os << std::setw(5) << (fADCR[iChannel][iTimeBin] >> fgkAddDigits);
2321 os << "----- Filtered ADC data (10+2 bit) -----" << std::endl;
2323 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++)
2324 os << std::setw(4) << iChannel
2325 << ((~fZSMap[iChannel] != 0) ? "!" : " ");
2327 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2328 os << "tb " << std::setw(2) << iTimeBin << ":";
2329 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2330 os << std::setw(4) << (fADCF[iChannel][iTimeBin])
2331 << (((fZSMap[iChannel] & (1 << iTimeBin)) == 0) ? "!" : " ");
2338 void AliTRDmcmSim::PrintAdcDatXml(ostream& os) const
2340 // print ADC data in XML format
2342 os << "<nginject>" << std::endl;
2343 os << "<ack roc=\""<< fDetector << "\" cmndid=\"0\">" << std::endl;
2344 os << "<dmem-readout>" << std::endl;
2345 os << "<d det=\"" << fDetector << "\">" << std::endl;
2346 os << " <ro-board rob=\"" << fRobPos << "\">" << std::endl;
2347 os << " <m mcm=\"" << fMcmPos << "\">" << std::endl;
2349 for(Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2350 os << " <ch chnr=\"" << iChannel << "\">" << std::endl;
2351 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2352 os << "<tb>" << fADCF[iChannel][iTimeBin]/4 << "</tb>";
2354 os << " </ch>" << std::endl;
2357 os << " </m>" << std::endl;
2358 os << " </ro-board>" << std::endl;
2359 os << "</d>" << std::endl;
2360 os << "</dmem-readout>" << std::endl;
2361 os << "</ack>" << std::endl;
2362 os << "</nginject>" << std::endl;
2367 void AliTRDmcmSim::PrintAdcDatDatx(ostream& os, Bool_t broadcast, Int_t timeBinOffset) const
2369 // print ADC data in datx format (to send to FEE)
2371 fTrapConfig->PrintDatx(os, 2602, 1, 0, 127); // command to enable the ADC clock - necessary to write ADC values to MCM
2374 Int_t addrOffset = 0x2000;
2375 Int_t addrStep = 0x80;
2376 Int_t addrOffsetEBSIA = 0x20;
2378 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2379 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2380 if ((iTimeBin < timeBinOffset) || (iTimeBin >= fNTimeBin+timeBinOffset)) {
2381 if(broadcast==kFALSE)
2382 fTrapConfig->PrintDatx(os, addrOffset+iChannel*addrStep+addrOffsetEBSIA+iTimeBin, 10, GetRobPos(), GetMcmPos());
2384 fTrapConfig->PrintDatx(os, addrOffset+iChannel*addrStep+addrOffsetEBSIA+iTimeBin, 10, 0, 127);
2387 if(broadcast==kFALSE)
2388 fTrapConfig->PrintDatx(os, addrOffset+iChannel*addrStep+addrOffsetEBSIA+iTimeBin, (fADCF[iChannel][iTimeBin-timeBinOffset]/4), GetRobPos(), GetMcmPos());
2390 fTrapConfig->PrintDatx(os, addrOffset+iChannel*addrStep+addrOffsetEBSIA+iTimeBin, (fADCF[iChannel][iTimeBin-timeBinOffset]/4), 0, 127);
2398 void AliTRDmcmSim::PrintPidLutHuman()
2400 // print PID LUT in human readable format
2404 UInt_t addrEnd = AliTRDtrapConfig::fgkDmemAddrLUTStart + fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength)/4; // /4 because each addr contains 4 values
2405 UInt_t nBinsQ0 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTnbins);
2407 std::cout << "nBinsQ0: " << nBinsQ0 << std::endl;
2408 std::cout << "LUT table length: " << fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength) << std::endl;
2411 for(UInt_t addr=AliTRDtrapConfig::fgkDmemAddrLUTStart; addr< addrEnd; addr++) {
2412 result = fTrapConfig->GetDmemUnsigned(addr);
2413 std::cout << addr << " # x: " << ((addr-AliTRDtrapConfig::fgkDmemAddrLUTStart)%((nBinsQ0)/4))*4 << ", y: " <<(addr-AliTRDtrapConfig::fgkDmemAddrLUTStart)/(nBinsQ0/4)
2414 << " # " <<((result>>0)&0xFF)
2415 << " | " << ((result>>8)&0xFF)
2416 << " | " << ((result>>16)&0xFF)
2417 << " | " << ((result>>24)&0xFF) << std::endl;