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Fix Coverity defect (Raphaelle)
[u/mrichter/AliRoot.git] / TRD / AliTRDmcmSim.cxx
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dfd03fc3 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
5eba8ada 16/* $Id$ */
17
dfd03fc3 18///////////////////////////////////////////////////////////////////////////////
19// //
20// TRD MCM (Multi Chip Module) simulator //
ce4786b9 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. //
dfd03fc3 24// //
25///////////////////////////////////////////////////////////////////////////////
26
ce4786b9 27#include <iostream>
28#include <iomanip>
ecf39416 29
ce4786b9 30#include "TCanvas.h"
31#include "TH1F.h"
32#include "TH2F.h"
33#include "TGraph.h"
34#include "TLine.h"
35#include "TRandom.h"
36#include "TClonesArray.h"
ce51199c 37#include "TMath.h"
0c349049 38
dfd03fc3 39#include "AliLog.h"
b0a41e80 40#include "AliRunLoader.h"
41#include "AliLoader.h"
0c349049 42
dfd03fc3 43#include "AliTRDfeeParam.h"
b0a41e80 44#include "AliTRDtrapConfig.h"
4cc89512 45#include "AliTRDdigitsManager.h"
b65e5048 46#include "AliTRDarrayADC.h"
40bd6ee4 47#include "AliTRDarrayDictionary.h"
52c19022 48#include "AliTRDtrackletMCM.h"
b0a41e80 49#include "AliTRDmcmSim.h"
1d93b218 50
dfd03fc3 51ClassImp(AliTRDmcmSim)
52
40bd6ee4 53Bool_t AliTRDmcmSim::fgApplyCut = kTRUE;
ce4786b9 54Int_t AliTRDmcmSim::fgAddBaseline = 0;
55
56const Int_t AliTRDmcmSim::fgkFormatIndex = std::ios_base::xalloc();
57
58const Int_t AliTRDmcmSim::fgkNADC = AliTRDfeeParam::GetNadcMcm();
59const UShort_t AliTRDmcmSim::fgkFPshifts[4] = {11, 14, 17, 21};
60
61
62AliTRDmcmSim::AliTRDmcmSim() :
63 TObject(),
64 fInitialized(kFALSE),
65 fDetector(-1),
66 fRobPos(-1),
67 fMcmPos(-1),
68 fRow (-1),
69 fNTimeBin(-1),
70 fADCR(NULL),
71 fADCF(NULL),
72 fMCMT(NULL),
73 fTrackletArray(NULL),
74 fZSMap(NULL),
6b094867 75 fTrklBranchName("mcmtrklbranch"),
ce4786b9 76 fFeeParam(NULL),
77 fTrapConfig(NULL),
78 fDigitsManager(NULL),
79 fPedAcc(NULL),
80 fGainCounterA(NULL),
81 fGainCounterB(NULL),
82 fTailAmplLong(NULL),
83 fTailAmplShort(NULL),
84 fNHits(0),
85 fFitReg(NULL)
dfd03fc3 86{
87 //
b0a41e80 88 // AliTRDmcmSim default constructor
dfd03fc3 89 // By default, nothing is initialized.
90 // It is necessary to issue Init before use.
91}
92
dfd03fc3 93AliTRDmcmSim::~AliTRDmcmSim()
94{
95 //
96 // AliTRDmcmSim destructor
97 //
0c349049 98
b0a41e80 99 if(fInitialized) {
ce4786b9 100 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
101 delete [] fADCR[iAdc];
102 delete [] fADCF[iAdc];
dfd03fc3 103 }
16e077d0 104 delete [] fADCR;
105 delete [] fADCF;
ce4786b9 106 delete [] fZSMap;
1d93b218 107 delete [] fMCMT;
b0a41e80 108
109 delete [] fPedAcc;
110 delete [] fGainCounterA;
111 delete [] fGainCounterB;
112 delete [] fTailAmplLong;
113 delete [] fTailAmplShort;
114 delete [] fFitReg;
115
116 fTrackletArray->Delete();
117 delete fTrackletArray;
1d93b218 118 }
dfd03fc3 119}
120
b0a41e80 121void AliTRDmcmSim::Init( Int_t det, Int_t robPos, Int_t mcmPos, Bool_t /* newEvent */ )
dfd03fc3 122{
0c349049 123 //
ce4786b9 124 // Initialize the class with new MCM position information
125 // memory is allocated in the first initialization
0c349049 126 //
96e6312d 127
b0a41e80 128 if (!fInitialized) {
129 fFeeParam = AliTRDfeeParam::Instance();
130 fTrapConfig = AliTRDtrapConfig::Instance();
b0a41e80 131 }
132
133 fDetector = det;
0c349049 134 fRobPos = robPos;
135 fMcmPos = mcmPos;
ce4786b9 136 fNTimeBin = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kC13CPUA);
dfd03fc3 137 fRow = fFeeParam->GetPadRowFromMCM( fRobPos, fMcmPos );
23200400 138
b0a41e80 139 if (!fInitialized) {
ce4786b9 140 fADCR = new Int_t *[fgkNADC];
141 fADCF = new Int_t *[fgkNADC];
142 fZSMap = new Int_t [fgkNADC];
143 fGainCounterA = new UInt_t[fgkNADC];
144 fGainCounterB = new UInt_t[fgkNADC];
145 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
146 fADCR[iAdc] = new Int_t[fNTimeBin];
147 fADCF[iAdc] = new Int_t[fNTimeBin];
dfd03fc3 148 }
b0a41e80 149
150 // filter registers
ce4786b9 151 fPedAcc = new UInt_t[fgkNADC]; // accumulator for pedestal filter
152 fTailAmplLong = new UShort_t[fgkNADC];
153 fTailAmplShort = new UShort_t[fgkNADC];
b0a41e80 154
155 // tracklet calculation
ce4786b9 156 fFitReg = new FitReg_t[fgkNADC];
157 fTrackletArray = new TClonesArray("AliTRDtrackletMCM", fgkMaxTracklets);
b0a41e80 158
ce4786b9 159 fMCMT = new UInt_t[fgkMaxTracklets];
dfd03fc3 160 }
161
b0a41e80 162 fInitialized = kTRUE;
163
164 Reset();
165}
166
167void AliTRDmcmSim::Reset()
168{
169 // Resets the data values and internal filter registers
170 // by re-initialising them
171
ce4786b9 172 if( !CheckInitialized() )
173 return;
5896bc23 174
ce4786b9 175 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
176 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
177 fADCR[iAdc][it] = 0;
178 fADCF[iAdc][it] = 0;
dfd03fc3 179 }
ce4786b9 180 fZSMap[iAdc] = -1; // Default unread, low active bit mask
181 fGainCounterA[iAdc] = 0;
182 fGainCounterB[iAdc] = 0;
dfd03fc3 183 }
ecf39416 184
ce4786b9 185 for(Int_t i = 0; i < fgkMaxTracklets; i++) {
1d93b218 186 fMCMT[i] = 0;
187 }
ce4786b9 188
189 for (Int_t iDict = 0; iDict < 3; iDict++)
190 fDict[iDict] = 0x0;
b0a41e80 191
192 FilterPedestalInit();
193 FilterGainInit();
ce4786b9 194 FilterTailInit();
b0a41e80 195}
1d93b218 196
4ff7ed2b 197void AliTRDmcmSim::SetNTimebins(Int_t ntimebins)
198{
ce4786b9 199 // Reallocate memory if a change in the number of timebins
200 // is needed (should not be the case for real data)
201
202 if( !CheckInitialized() )
203 return;
204
4ff7ed2b 205 fNTimeBin = ntimebins;
ce4786b9 206 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
207 delete fADCR[iAdc];
208 delete fADCF[iAdc];
209 fADCR[iAdc] = new Int_t[fNTimeBin];
210 fADCF[iAdc] = new Int_t[fNTimeBin];
4ff7ed2b 211 }
212}
213
ab9f7002 214Bool_t AliTRDmcmSim::LoadMCM(AliRunLoader* const runloader, Int_t det, Int_t rob, Int_t mcm)
b0a41e80 215{
ce4786b9 216 // loads the ADC data as obtained from the digitsManager for the specified MCM.
217 // This method is meant for rare execution, e.g. in the visualization. When called
218 // frequently use SetData(...) instead.
b0a41e80 219
64e3d742 220 Init(det, rob, mcm);
b0a41e80 221
222 if (!runloader) {
223 AliError("No Runloader given");
224 return kFALSE;
225 }
226
227 AliLoader *trdLoader = runloader->GetLoader("TRDLoader");
228 if (!trdLoader) {
229 AliError("Could not get TRDLoader");
230 return kFALSE;
231 }
232
5eba8ada 233 Bool_t retval = kTRUE;
b0a41e80 234 trdLoader->LoadDigits();
40bd6ee4 235 fDigitsManager = 0x0;
b0a41e80 236 AliTRDdigitsManager *digMgr = new AliTRDdigitsManager();
237 digMgr->SetSDigits(0);
238 digMgr->CreateArrays();
239 digMgr->ReadDigits(trdLoader->TreeD());
240 AliTRDarrayADC *digits = (AliTRDarrayADC*) digMgr->GetDigits(det);
5eba8ada 241 if (digits->HasData()) {
242 digits->Expand();
243
5896bc23 244 if (fNTimeBin != digits->GetNtime()) {
ce4786b9 245 AliWarning(Form("Changing no. of timebins from %i to %i", fNTimeBin, digits->GetNtime()));
4ff7ed2b 246 SetNTimebins(digits->GetNtime());
5896bc23 247 }
4ff7ed2b 248
ce4786b9 249 SetData(digits);
b0a41e80 250 }
5eba8ada 251 else
252 retval = kFALSE;
4ff7ed2b 253
b0a41e80 254 delete digMgr;
4ff7ed2b 255
256 return retval;
b0a41e80 257}
258
259void AliTRDmcmSim::NoiseTest(Int_t nsamples, Int_t mean, Int_t sigma, Int_t inputGain, Int_t inputTail)
260{
261 // This function can be used to test the filters.
262 // It feeds nsamples of ADC values with a gaussian distribution specified by mean and sigma.
263 // The filter chain implemented here consists of:
264 // Pedestal -> Gain -> Tail
265 // With inputGain and inputTail the input to the gain and tail filter, respectively,
266 // can be chosen where
267 // 0: noise input
268 // 1: pedestal output
269 // 2: gain output
270 // The input has to be chosen from a stage before.
271 // The filter behaviour is controlled by the TRAP parameters from AliTRDtrapConfig in the
272 // same way as in normal simulation.
273 // The functions produces four histograms with the values at the different stages.
274
ce4786b9 275 if( !CheckInitialized() )
276 return;
277
278 TString nameInputGain;
279 TString nameInputTail;
280
281 switch (inputGain) {
282 case 0:
283 nameInputGain = "Noise";
284 break;
285
286 case 1:
287 nameInputGain = "Pedestal";
288 break;
289
290 default:
291 AliError("Undefined input to tail cancellation filter");
292 return;
293 }
294
295 switch (inputTail) {
296 case 0:
297 nameInputTail = "Noise";
298 break;
299
300 case 1:
301 nameInputTail = "Pedestal";
302 break;
303
304 case 2:
305 nameInputTail = "Gain";
306 break;
307
308 default:
309 AliError("Undefined input to tail cancellation filter");
310 return;
311 }
312
b0a41e80 313 TH1F *h = new TH1F("noise", "Gaussian Noise;sample;ADC count",
314 nsamples, 0, nsamples);
ce4786b9 315 TH1F *hfp = new TH1F("ped", "Noise #rightarrow Pedestal filter;sample;ADC count", nsamples, 0, nsamples);
316 TH1F *hfg = new TH1F("gain",
317 (nameInputGain + "#rightarrow Gain;sample;ADC count").Data(),
318 nsamples, 0, nsamples);
319 TH1F *hft = new TH1F("tail",
320 (nameInputTail + "#rightarrow Tail;sample;ADC count").Data(),
321 nsamples, 0, nsamples);
b0a41e80 322 h->SetStats(kFALSE);
323 hfp->SetStats(kFALSE);
324 hfg->SetStats(kFALSE);
325 hft->SetStats(kFALSE);
326
327 Int_t value; // ADC count with noise (10 bit)
328 Int_t valuep; // pedestal filter output (12 bit)
329 Int_t valueg; // gain filter output (12 bit)
330 Int_t valuet; // tail filter value (12 bit)
331
332 for (Int_t i = 0; i < nsamples; i++) {
333 value = (Int_t) gRandom->Gaus(mean, sigma); // generate noise with gaussian distribution
334 h->SetBinContent(i, value);
335
336 valuep = FilterPedestalNextSample(1, 0, ((Int_t) value) << 2);
337
338 if (inputGain == 0)
339 valueg = FilterGainNextSample(1, ((Int_t) value) << 2);
340 else
341 valueg = FilterGainNextSample(1, valuep);
342
343 if (inputTail == 0)
344 valuet = FilterTailNextSample(1, ((Int_t) value) << 2);
345 else if (inputTail == 1)
346 valuet = FilterTailNextSample(1, valuep);
347 else
348 valuet = FilterTailNextSample(1, valueg);
349
350 hfp->SetBinContent(i, valuep >> 2);
351 hfg->SetBinContent(i, valueg >> 2);
352 hft->SetBinContent(i, valuet >> 2);
353 }
354
355 TCanvas *c = new TCanvas;
356 c->Divide(2,2);
357 c->cd(1);
358 h->Draw();
359 c->cd(2);
360 hfp->Draw();
361 c->cd(3);
362 hfg->Draw();
363 c->cd(4);
364 hft->Draw();
dfd03fc3 365}
366
ce4786b9 367Bool_t AliTRDmcmSim::CheckInitialized() const
ecf39416 368{
0c349049 369 //
370 // Check whether object is initialized
371 //
372
ce4786b9 373 if( ! fInitialized )
374 AliError(Form ("AliTRDmcmSim is not initialized but function other than Init() is called."));
375
ecf39416 376 return fInitialized;
377}
378
ab9f7002 379void AliTRDmcmSim::Print(Option_t* const option) const
b0a41e80 380{
381 // Prints the data stored and/or calculated for this MCM.
382 // The output is controlled by option which can be a sequence of any of
383 // the following characters:
384 // R - prints raw ADC data
385 // F - prints filtered data
386 // H - prints detected hits
387 // T - prints found tracklets
ce4786b9 388 // The later stages are only meaningful after the corresponding calculations
b0a41e80 389 // have been performed.
390
ce4786b9 391 if ( !CheckInitialized() )
392 return;
393
b0a41e80 394 printf("MCM %i on ROB %i in detector %i\n", fMcmPos, fRobPos, fDetector);
395
396 TString opt = option;
ce4786b9 397 if (opt.Contains("R") || opt.Contains("F")) {
398 std::cout << *this;
1d93b218 399 }
400
b0a41e80 401 if (opt.Contains("H")) {
402 printf("Found %i hits:\n", fNHits);
403 for (Int_t iHit = 0; iHit < fNHits; iHit++) {
404 printf("Hit %3i in timebin %2i, ADC %2i has charge %3i and position %3i\n",
ab9f7002 405 iHit, fHits[iHit].fTimebin, fHits[iHit].fChannel, fHits[iHit].fQtot, fHits[iHit].fYpos);
b0a41e80 406 }
1d93b218 407 }
1d93b218 408
b0a41e80 409 if (opt.Contains("T")) {
410 printf("Tracklets:\n");
411 for (Int_t iTrkl = 0; iTrkl < fTrackletArray->GetEntriesFast(); iTrkl++) {
412 printf("tracklet %i: 0x%08x\n", iTrkl, ((AliTRDtrackletMCM*) (*fTrackletArray)[iTrkl])->GetTrackletWord());
413 }
1d93b218 414 }
b0a41e80 415}
1d93b218 416
ab9f7002 417void AliTRDmcmSim::Draw(Option_t* const option)
b0a41e80 418{
419 // Plots the data stored in a 2-dim. timebin vs. ADC channel plot.
420 // The option selects what data is plotted and can be a sequence of
421 // the following characters:
422 // R - plot raw data (default)
423 // F - plot filtered data (meaningless if R is specified)
424 // In addition to the ADC values:
425 // H - plot hits
426 // T - plot tracklets
427
ce4786b9 428 if( !CheckInitialized() )
429 return;
430
b0a41e80 431 TString opt = option;
432
433 TH2F *hist = new TH2F("mcmdata", Form("Data of MCM %i on ROB %i in detector %i", \
434 fMcmPos, fRobPos, fDetector), \
ce4786b9 435 fgkNADC, -0.5, fgkNADC-.5, fNTimeBin, -.5, fNTimeBin-.5);
b0a41e80 436 hist->GetXaxis()->SetTitle("ADC Channel");
437 hist->GetYaxis()->SetTitle("Timebin");
438 hist->SetStats(kFALSE);
439
440 if (opt.Contains("R")) {
441 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
ce4786b9 442 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
b0a41e80 443 hist->SetBinContent(iAdc+1, iTimeBin+1, fADCR[iAdc][iTimeBin] >> fgkAddDigits);
444 }
1d93b218 445 }
b0a41e80 446 }
447 else {
448 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
ce4786b9 449 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
b0a41e80 450 hist->SetBinContent(iAdc+1, iTimeBin+1, fADCF[iAdc][iTimeBin] >> fgkAddDigits);
451 }
1d93b218 452 }
1d93b218 453 }
b0a41e80 454 hist->Draw("colz");
1d93b218 455
b0a41e80 456 if (opt.Contains("H")) {
457 TGraph *grHits = new TGraph();
458 for (Int_t iHit = 0; iHit < fNHits; iHit++) {
459 grHits->SetPoint(iHit,
ab9f7002 460 fHits[iHit].fChannel + 1 + fHits[iHit].fYpos/256.,
461 fHits[iHit].fTimebin);
b0a41e80 462 }
463 grHits->Draw("*");
464 }
1d93b218 465
b0a41e80 466 if (opt.Contains("T")) {
467 TLine *trklLines = new TLine[4];
64e3d742 468 for (Int_t iTrkl = 0; iTrkl < fTrackletArray->GetEntries(); iTrkl++) {
b0a41e80 469 AliTRDtrackletMCM *trkl = (AliTRDtrackletMCM*) (*fTrackletArray)[iTrkl];
ce4786b9 470 Float_t padWidth = 0.635 + 0.03 * (fDetector % 6);
471 Float_t offset = padWidth/256. * ((((((fRobPos & 0x1) << 2) + (fMcmPos & 0x3)) * 18) << 8) - ((18*4*2 - 18*2 - 3) << 7)); // revert adding offset in FitTracklet
5ac2e3b1 472 Int_t ndrift = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrNdrift, fDetector, fRobPos, fMcmPos) >> 5;
ce4786b9 473 Float_t slope = trkl->GetdY() * 140e-4 / ndrift;
474
475 Int_t t0 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS);
476 Int_t t1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE);
477
478 trklLines[iTrkl].SetX1((offset - (trkl->GetY() - slope * t0)) / padWidth); // ??? sign?
479 trklLines[iTrkl].SetY1(t0);
480 trklLines[iTrkl].SetX2((offset - (trkl->GetY() - slope * t1)) / padWidth); // ??? sign?
481 trklLines[iTrkl].SetY2(t1);
b0a41e80 482 trklLines[iTrkl].SetLineColor(2);
483 trklLines[iTrkl].SetLineWidth(2);
484 printf("Tracklet %i: y = %f, dy = %f, offset = %f\n", iTrkl, trkl->GetY(), (trkl->GetdY() * 140e-4), offset);
485 trklLines[iTrkl].Draw();
486 }
487 }
1d93b218 488}
489
ce4786b9 490void AliTRDmcmSim::SetData( Int_t adc, Int_t* const data )
dfd03fc3 491{
0c349049 492 //
dfd03fc3 493 // Store ADC data into array of raw data
0c349049 494 //
dfd03fc3 495
ecf39416 496 if( !CheckInitialized() ) return;
dfd03fc3 497
ce4786b9 498 if( adc < 0 || adc >= fgkNADC ) {
499 AliError(Form ("Error: ADC %i is out of range (0 .. %d).", adc, fgkNADC-1));
dfd03fc3 500 return;
501 }
502
4ff7ed2b 503 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
ce4786b9 504 fADCR[adc][it] = (Int_t) (data[it]) << fgkAddDigits;
505 fADCF[adc][it] = (Int_t) (data[it]) << fgkAddDigits;
dfd03fc3 506 }
507}
508
ce4786b9 509void AliTRDmcmSim::SetData( Int_t adc, Int_t it, Int_t data )
dfd03fc3 510{
0c349049 511 //
dfd03fc3 512 // Store ADC data into array of raw data
0c349049 513 //
dfd03fc3 514
ecf39416 515 if( !CheckInitialized() ) return;
dfd03fc3 516
ce4786b9 517 if( adc < 0 || adc >= fgkNADC ) {
518 AliError(Form ("Error: ADC %i is out of range (0 .. %d).", adc, fgkNADC-1));
dfd03fc3 519 return;
520 }
521
ce4786b9 522 fADCR[adc][it] = data << fgkAddDigits;
523 fADCF[adc][it] = data << fgkAddDigits;
b0a41e80 524}
525
6b094867 526void AliTRDmcmSim::SetData(AliTRDarrayADC* const adcArray, AliTRDdigitsManager * const digitsManager)
b0a41e80 527{
ab9f7002 528 // Set the ADC data from an AliTRDarrayADC
529
ce4786b9 530 if( !CheckInitialized() )
b0a41e80 531 return;
b0a41e80 532
40bd6ee4 533 fDigitsManager = digitsManager;
ce4786b9 534 if (fDigitsManager) {
535 for (Int_t iDict = 0; iDict < 3; iDict++) {
536 AliTRDarrayDictionary *newDict = (AliTRDarrayDictionary*) fDigitsManager->GetDictionary(fDetector, iDict);
537 if (fDict[iDict] != 0x0 && newDict != 0x0) {
538
539 if (fDict[iDict] == newDict)
540 continue;
40bd6ee4 541
ce4786b9 542 fDict[iDict] = newDict;
543
544 if (fDict[iDict]->GetDim() == 0) {
545 AliError(Form("Dictionary %i of det. %i has dim. 0", fDetector, iDict));
546 continue;
547 }
548 fDict[iDict]->Expand();
549 }
550 else {
551 fDict[iDict] = newDict;
552 if (fDict[iDict])
553 fDict[iDict]->Expand();
554 }
555 }
5896bc23 556 }
4ff7ed2b 557
ce4786b9 558 if (fNTimeBin != adcArray->GetNtime())
559 SetNTimebins(adcArray->GetNtime());
560
561 Int_t offset = (fMcmPos % 4 + 1) * 21 + (fRobPos % 2) * 84 - 1;
b0a41e80 562
563 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
ce4786b9 564 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
565 Int_t value = adcArray->GetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin);
566 if (value < 0 || (offset - iAdc < 1) || (offset - iAdc > 165)) {
567 fADCR[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP) + (fgAddBaseline << fgkAddDigits);
4ff7ed2b 568 fADCF[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP) + (fgAddBaseline << fgkAddDigits);
b0a41e80 569 }
570 else {
ce4786b9 571 fZSMap[iAdc] = 0;
572 fADCR[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
573 fADCF[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
b0a41e80 574 }
575 }
576 }
dfd03fc3 577}
578
6b094867 579void AliTRDmcmSim::SetDataByPad(AliTRDarrayADC* const adcArray, AliTRDdigitsManager * const digitsManager)
ce51199c 580{
581 // Set the ADC data from an AliTRDarrayADC
582 // (by pad, to be used during initial reading in simulation)
583
584 if( !CheckInitialized() )
585 return;
586
587 fDigitsManager = digitsManager;
588 if (fDigitsManager) {
589 for (Int_t iDict = 0; iDict < 3; iDict++) {
590 AliTRDarrayDictionary *newDict = (AliTRDarrayDictionary*) fDigitsManager->GetDictionary(fDetector, iDict);
591 if (fDict[iDict] != 0x0 && newDict != 0x0) {
592
593 if (fDict[iDict] == newDict)
594 continue;
595
596 fDict[iDict] = newDict;
597
598 if (fDict[iDict]->GetDim() == 0) {
599 AliError(Form("Dictionary %i of det. %i has dim. 0", fDetector, iDict));
600 continue;
601 }
602 fDict[iDict]->Expand();
603 }
604 else {
605 fDict[iDict] = newDict;
606 if (fDict[iDict])
607 fDict[iDict]->Expand();
608 }
609 }
610 }
611
612 if (fNTimeBin != adcArray->GetNtime())
613 SetNTimebins(adcArray->GetNtime());
614
615 Int_t offset = (fMcmPos % 4 + 1) * 18 + (fRobPos % 2) * 72 + 1;
616
617 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
618 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
619 Int_t value = -1;
620 Int_t pad = offset - iAdc;
621 if (pad > -1 && pad < 144)
622 value = adcArray->GetData(GetRow(), offset - iAdc, iTimeBin);
623 // Int_t value = adcArray->GetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin);
624 if (value < 0 || (offset - iAdc < 1) || (offset - iAdc > 165)) {
625 fADCR[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP) + (fgAddBaseline << fgkAddDigits);
626 fADCF[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP) + (fgAddBaseline << fgkAddDigits);
627 }
628 else {
629 fZSMap[iAdc] = 0;
630 fADCR[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
631 fADCF[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
632 }
633 }
634 }
635}
636
ce4786b9 637void AliTRDmcmSim::SetDataPedestal( Int_t adc )
dfd03fc3 638{
0c349049 639 //
dfd03fc3 640 // Store ADC data into array of raw data
0c349049 641 //
dfd03fc3 642
ce4786b9 643 if( !CheckInitialized() )
644 return;
dfd03fc3 645
ce4786b9 646 if( adc < 0 || adc >= fgkNADC ) {
dfd03fc3 647 return;
648 }
649
650 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
ce4786b9 651 fADCR[adc][it] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP) + (fgAddBaseline << fgkAddDigits);
652 fADCF[adc][it] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP) + (fgAddBaseline << fgkAddDigits);
dfd03fc3 653 }
654}
655
ce4786b9 656Bool_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
657{
658 // retrieve the MC hit information (not available in TRAP hardware)
659
660 if (index < 0 || index >= fNHits)
661 return kFALSE;
662
663 channel = fHits[index].fChannel;
664 timebin = fHits[index].fTimebin;
665 qtot = fHits[index].fQtot;
666 ypos = fHits[index].fYpos;
667 y = (Float_t) ((((((fRobPos & 0x1) << 2) + (fMcmPos & 0x3)) * 18) << 8) - ((18*4*2 - 18*2 - 1) << 7) -
668 (channel << 8) - ypos)
669 * (0.635 + 0.03 * (fDetector % 6))
670 / 256.0;
25b41f6f 671 label = fHits[index].fLabel[0];
ce4786b9 672
673 return kTRUE;
674}
675
676Int_t AliTRDmcmSim::GetCol( Int_t adc )
dfd03fc3 677{
0c349049 678 //
dfd03fc3 679 // Return column id of the pad for the given ADC channel
0c349049 680 //
681
f793c83d 682 if( !CheckInitialized() )
683 return -1;
dfd03fc3 684
ce4786b9 685 Int_t col = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adc);
a6d08b7f 686 if (col < 0 || col >= fFeeParam->GetNcol())
687 return -1;
688 else
689 return col;
dfd03fc3 690}
691
ce4786b9 692Int_t AliTRDmcmSim::ProduceRawStream( UInt_t *buf, Int_t bufSize, UInt_t iEv) const
dfd03fc3 693{
0c349049 694 //
dfd03fc3 695 // Produce raw data stream from this MCM and put in buf
0c349049 696 // Returns number of words filled, or negative value
697 // with -1 * number of overflowed words
698 //
dfd03fc3 699
ce4786b9 700 if( !CheckInitialized() )
701 return 0;
702
dfd03fc3 703 UInt_t x;
7d619a80 704 UInt_t mcmHeader = 0;
705 UInt_t adcMask = 0;
dfd03fc3 706 Int_t nw = 0; // Number of written words
707 Int_t of = 0; // Number of overflowed words
708 Int_t rawVer = fFeeParam->GetRAWversion();
709 Int_t **adc;
b0a41e80 710 Int_t nActiveADC = 0; // number of activated ADC bits in a word
dfd03fc3 711
ce4786b9 712 if( !CheckInitialized() )
713 return 0;
ecf39416 714
ce4786b9 715 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBSF) != 0) // store unfiltered data
dfd03fc3 716 adc = fADCR;
ce4786b9 717 else
dfd03fc3 718 adc = fADCF;
ce4786b9 719
b0a41e80 720 // Produce ADC mask : nncc cccm mmmm mmmm mmmm mmmm mmmm 1100
721 // n : unused , c : ADC count, m : selected ADCs
7d619a80 722 if( rawVer >= 3 &&
723 (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kC15CPUA) & (1 << 13))) { // check for zs flag in TRAP configuration
ce4786b9 724 for( Int_t iAdc = 0 ; iAdc < fgkNADC ; iAdc++ ) {
725 if( ~fZSMap[iAdc] != 0 ) { // 0 means not suppressed
7d619a80 726 adcMask |= (1 << (iAdc+4) ); // last 4 digit reserved for 1100=0xc
727 nActiveADC++; // number of 1 in mmm....m
dfd03fc3 728 }
729 }
b0a41e80 730
7d619a80 731 if ((nActiveADC == 0) &&
732 (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kC15CPUA) & (1 << 8))) // check for DEH flag in TRAP configuration
733 return 0;
734
735 // assemble adc mask word
736 adcMask |= (1 << 30) | ( ( 0x3FFFFFFC ) & (~(nActiveADC) << 25) ) | 0xC; // nn = 01, ccccc are inverted, 0xc=1100
737 }
738
739 // MCM header
740 mcmHeader = (1<<31) | (fRobPos << 28) | (fMcmPos << 24) | ((iEv % 0x100000) << 4) | 0xC;
741 if (nw < bufSize)
742 buf[nw++] = mcmHeader;
743 else
744 of++;
745
746 // ADC mask
747 if( adcMask != 0 ) {
748 if (nw < bufSize)
749 buf[nw++] = adcMask;
750 else
dfd03fc3 751 of++;
dfd03fc3 752 }
753
754 // Produce ADC data. 3 timebins are packed into one 32 bits word
755 // In this version, different ADC channel will NOT share the same word
756
757 UInt_t aa=0, a1=0, a2=0, a3=0;
758
759 for (Int_t iAdc = 0; iAdc < 21; iAdc++ ) {
ce4786b9 760 if( rawVer>= 3 && ~fZSMap[iAdc] == 0 ) continue; // Zero Suppression, 0 means not suppressed
dfd03fc3 761 aa = !(iAdc & 1) + 2;
762 for (Int_t iT = 0; iT < fNTimeBin; iT+=3 ) {
b0a41e80 763 a1 = ((iT ) < fNTimeBin ) ? adc[iAdc][iT ] >> fgkAddDigits : 0;
764 a2 = ((iT + 1) < fNTimeBin ) ? adc[iAdc][iT+1] >> fgkAddDigits : 0;
765 a3 = ((iT + 2) < fNTimeBin ) ? adc[iAdc][iT+2] >> fgkAddDigits : 0;
ecf39416 766 x = (a3 << 22) | (a2 << 12) | (a1 << 2) | aa;
ce4786b9 767 if (nw < bufSize) {
b0a41e80 768 buf[nw++] = x;
ecf39416 769 }
770 else {
b0a41e80 771 of++;
ecf39416 772 }
dfd03fc3 773 }
774 }
775
776 if( of != 0 ) return -of; else return nw;
777}
778
ce4786b9 779Int_t AliTRDmcmSim::ProduceTrackletStream( UInt_t *buf, Int_t bufSize )
987ba9a3 780{
781 //
b0a41e80 782 // Produce tracklet data stream from this MCM and put in buf
987ba9a3 783 // Returns number of words filled, or negative value
784 // with -1 * number of overflowed words
785 //
786
ce4786b9 787 if( !CheckInitialized() )
788 return 0;
789
987ba9a3 790 Int_t nw = 0; // Number of written words
791 Int_t of = 0; // Number of overflowed words
b0a41e80 792
b0a41e80 793 // Produce tracklet data. A maximum of four 32 Bit words will be written per MCM
794 // fMCMT is filled continuously until no more tracklet words available
987ba9a3 795
f793c83d 796 for (Int_t iTracklet = 0; iTracklet < fTrackletArray->GetEntriesFast(); iTracklet++) {
ce4786b9 797 if (nw < bufSize)
f793c83d 798 buf[nw++] = ((AliTRDtrackletMCM*) (*fTrackletArray)[iTracklet])->GetTrackletWord();
799 else
800 of++;
987ba9a3 801 }
b0a41e80 802
803 if( of != 0 ) return -of; else return nw;
804}
987ba9a3 805
b0a41e80 806void AliTRDmcmSim::Filter()
807{
808 //
809 // Filter the raw ADC values. The active filter stages and their
810 // parameters are taken from AliTRDtrapConfig.
811 // The raw data is stored separate from the filtered data. Thus,
812 // it is possible to run the filters on a set of raw values
813 // sequentially for parameter tuning.
814 //
987ba9a3 815
ce4786b9 816 if( !CheckInitialized() )
b0a41e80 817 return;
987ba9a3 818
b0a41e80 819 // Apply filters sequentially. Bypass is handled by filters
820 // since counters and internal registers may be updated even
821 // if the filter is bypassed.
822 // The first filter takes the data from fADCR and
823 // outputs to fADCF.
824
825 // Non-linearity filter not implemented.
826 FilterPedestal();
827 FilterGain();
828 FilterTail();
829 // Crosstalk filter not implemented.
830}
987ba9a3 831
ce4786b9 832void AliTRDmcmSim::FilterPedestalInit(Int_t baseline)
b0a41e80 833{
834 // Initializes the pedestal filter assuming that the input has
835 // been constant for a long time (compared to the time constant).
987ba9a3 836
b0a41e80 837 UShort_t fptc = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPTC); // 0..3, 0 - fastest, 3 - slowest
987ba9a3 838
ce4786b9 839 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++)
840 fPedAcc[iAdc] = (baseline << 2) * (1 << fgkFPshifts[fptc]);
987ba9a3 841}
842
b0a41e80 843UShort_t AliTRDmcmSim::FilterPedestalNextSample(Int_t adc, Int_t timebin, UShort_t value)
1d93b218 844{
b0a41e80 845 // Returns the output of the pedestal filter given the input value.
846 // The output depends on the internal registers and, thus, the
847 // history of the filter.
1d93b218 848
b0a41e80 849 UShort_t fpnp = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP); // 0..511 -> 0..127.75, pedestal at the output
850 UShort_t fptc = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPTC); // 0..3, 0 - fastest, 3 - slowest
ce4786b9 851 UShort_t fpby = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPBY); // 0..1 bypass, active low
1d93b218 852
b0a41e80 853 UShort_t accumulatorShifted;
854 Int_t correction;
855 UShort_t inpAdd;
856
857 inpAdd = value + fpnp;
1d93b218 858
ce4786b9 859 accumulatorShifted = (fPedAcc[adc] >> fgkFPshifts[fptc]) & 0x3FF; // 10 bits
b0a41e80 860 if (timebin == 0) // the accumulator is disabled in the drift time
861 {
862 correction = (value & 0x3FF) - accumulatorShifted;
863 fPedAcc[adc] = (fPedAcc[adc] + correction) & 0x7FFFFFFF; // 31 bits
1d93b218 864 }
865
ce4786b9 866 if (fpby == 0)
867 return value;
868
b0a41e80 869 if (inpAdd <= accumulatorShifted)
870 return 0;
871 else
872 {
873 inpAdd = inpAdd - accumulatorShifted;
874 if (inpAdd > 0xFFF)
875 return 0xFFF;
876 else
877 return inpAdd;
878 }
1d93b218 879}
880
b0a41e80 881void AliTRDmcmSim::FilterPedestal()
dfd03fc3 882{
0c349049 883 //
b0a41e80 884 // Apply pedestal filter
0c349049 885 //
b0a41e80 886 // As the first filter in the chain it reads data from fADCR
887 // and outputs to fADCF.
888 // It has only an effect if previous samples have been fed to
889 // find the pedestal. Currently, the simulation assumes that
890 // the input has been stable for a sufficiently long time.
dfd03fc3 891
b0a41e80 892 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
ce4786b9 893 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
b0a41e80 894 fADCF[iAdc][iTimeBin] = FilterPedestalNextSample(iAdc, iTimeBin, fADCR[iAdc][iTimeBin]);
dfd03fc3 895 }
896 }
b0a41e80 897}
898
899void AliTRDmcmSim::FilterGainInit()
900{
901 // Initializes the gain filter. In this case, only threshold
902 // counters are reset.
dfd03fc3 903
ce4786b9 904 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
b0a41e80 905 // these are counters which in hardware continue
906 // until maximum or reset
907 fGainCounterA[iAdc] = 0;
908 fGainCounterB[iAdc] = 0;
909 }
dfd03fc3 910}
911
b0a41e80 912UShort_t AliTRDmcmSim::FilterGainNextSample(Int_t adc, UShort_t value)
dfd03fc3 913{
b0a41e80 914 // Apply the gain filter to the given value.
915 // BEGIN_LATEX O_{i}(t) = #gamma_{i} * I_{i}(t) + a_{i} END_LATEX
916 // The output depends on the internal registers and, thus, the
917 // history of the filter.
23200400 918
b0a41e80 919 UShort_t fgby = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGBY); // bypass, active low
920 UShort_t fgf = fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGF0 + adc)); // 0x700 + (0 & 0x1ff);
921 UShort_t fga = fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGA0 + adc)); // 40;
922 UShort_t fgta = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGTA); // 20;
923 UShort_t fgtb = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGTB); // 2060;
dfd03fc3 924
ce4786b9 925 UInt_t corr; // corrected value
dfd03fc3 926
b0a41e80 927 value &= 0xFFF;
ce4786b9 928 corr = (value * fgf) >> 11;
929 corr = corr > 0xfff ? 0xfff : corr;
930 corr = AddUintClipping(corr, fga, 12);
b0a41e80 931
932 // Update threshold counters
933 // not really useful as they are cleared with every new event
ce4786b9 934 if (!((fGainCounterA[adc] == 0x3FFFFFF) || (fGainCounterB[adc] == 0x3FFFFFF)))
935 // stop when full
b0a41e80 936 {
ce4786b9 937 if (corr >= fgtb)
b0a41e80 938 fGainCounterB[adc]++;
ce4786b9 939 else if (corr >= fgta)
b0a41e80 940 fGainCounterA[adc]++;
dfd03fc3 941 }
b0a41e80 942
ce4786b9 943 if (fgby == 1)
944 return corr;
945 else
946 return value;
dfd03fc3 947}
948
dfd03fc3 949void AliTRDmcmSim::FilterGain()
950{
b0a41e80 951 // Read data from fADCF and apply gain filter.
0c349049 952
ce4786b9 953 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
b0a41e80 954 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
955 fADCF[iAdc][iTimeBin] = FilterGainNextSample(iAdc, fADCF[iAdc][iTimeBin]);
956 }
957 }
dfd03fc3 958}
959
b0a41e80 960void AliTRDmcmSim::FilterTailInit(Int_t baseline)
dfd03fc3 961{
b0a41e80 962 // Initializes the tail filter assuming that the input has
963 // been at the baseline value (configured by FTFP) for a
964 // sufficiently long time.
965
966 // exponents and weight calculated from configuration
967 UShort_t alphaLong = 0x3ff & fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTAL); // the weight of the long component
968 UShort_t lambdaLong = (1 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLL) & 0x1FF); // the multiplier
969 UShort_t lambdaShort = (0 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLS) & 0x1FF); // the multiplier
970
971 Float_t lambdaL = lambdaLong * 1.0 / (1 << 11);
972 Float_t lambdaS = lambdaShort * 1.0 / (1 << 11);
973 Float_t alphaL = alphaLong * 1.0 / (1 << 11);
974 Float_t qup, qdn;
975 qup = (1 - lambdaL) * (1 - lambdaS);
976 qdn = 1 - lambdaS * alphaL - lambdaL * (1 - alphaL);
977 Float_t kdc = qup/qdn;
978
979 Float_t kt, ql, qs;
980 UShort_t aout;
ce4786b9 981
982 if (baseline < 0)
983 baseline = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP);
b0a41e80 984
b0a41e80 985 ql = lambdaL * (1 - lambdaS) * alphaL;
986 qs = lambdaS * (1 - lambdaL) * (1 - alphaL);
987
ce4786b9 988 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
989 Int_t value = baseline & 0xFFF;
990 Int_t corr = (value * fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGF0 + iAdc))) >> 11;
991 corr = corr > 0xfff ? 0xfff : corr;
992 corr = AddUintClipping(corr, fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGA0 + iAdc)), 12);
993
994 kt = kdc * baseline;
995 aout = baseline - (UShort_t) kt;
996
b0a41e80 997 fTailAmplLong[iAdc] = (UShort_t) (aout * ql / (ql + qs));
998 fTailAmplShort[iAdc] = (UShort_t) (aout * qs / (ql + qs));
999 }
1000}
dfd03fc3 1001
b0a41e80 1002UShort_t AliTRDmcmSim::FilterTailNextSample(Int_t adc, UShort_t value)
1003{
1004 // Returns the output of the tail filter for the given input value.
1005 // The output depends on the internal registers and, thus, the
1006 // history of the filter.
1007
1008 // exponents and weight calculated from configuration
ce4786b9 1009 UShort_t alphaLong = 0x3ff & fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTAL); // the weight of the long component
1010 UShort_t lambdaLong = (1 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLL) & 0x1FF); // the multiplier of the long component
1011 UShort_t lambdaShort = (0 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLS) & 0x1FF); // the multiplier of the short component
b0a41e80 1012
ce4786b9 1013 // intermediate signals
1014 UInt_t aDiff;
1015 UInt_t alInpv;
b0a41e80 1016 UShort_t aQ;
ce4786b9 1017 UInt_t tmp;
b0a41e80 1018
ab9f7002 1019 UShort_t inpVolt = value & 0xFFF; // 12 bits
b0a41e80 1020
ce4786b9 1021 // add the present generator outputs
1022 aQ = AddUintClipping(fTailAmplLong[adc], fTailAmplShort[adc], 12);
1023
1024 // calculate the difference between the input and the generated signal
1025 if (inpVolt > aQ)
1026 aDiff = inpVolt - aQ;
1027 else
1028 aDiff = 0;
1029
1030 // the inputs to the two generators, weighted
1031 alInpv = (aDiff * alphaLong) >> 11;
1032
1033 // the new values of the registers, used next time
1034 // long component
1035 tmp = AddUintClipping(fTailAmplLong[adc], alInpv, 12);
1036 tmp = (tmp * lambdaLong) >> 11;
1037 fTailAmplLong[adc] = tmp & 0xFFF;
1038 // short component
1039 tmp = AddUintClipping(fTailAmplShort[adc], aDiff - alInpv, 12);
1040 tmp = (tmp * lambdaShort) >> 11;
1041 fTailAmplShort[adc] = tmp & 0xFFF;
1042
1043 // the output of the filter
b0a41e80 1044 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTBY) == 0) // bypass mode, active low
1045 return value;
1046 else
b0a41e80 1047 return aDiff;
b0a41e80 1048}
dfd03fc3 1049
b0a41e80 1050void AliTRDmcmSim::FilterTail()
1051{
ce4786b9 1052 // Apply tail cancellation filter to all data.
dfd03fc3 1053
b0a41e80 1054 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
ce4786b9 1055 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
b0a41e80 1056 fADCF[iAdc][iTimeBin] = FilterTailNextSample(iAdc, fADCF[iAdc][iTimeBin]);
dfd03fc3 1057 }
dfd03fc3 1058 }
dfd03fc3 1059}
1060
dfd03fc3 1061void AliTRDmcmSim::ZSMapping()
1062{
0c349049 1063 //
dfd03fc3 1064 // Zero Suppression Mapping implemented in TRAP chip
ce4786b9 1065 // only implemented for up to 30 timebins
dfd03fc3 1066 //
1067 // See detail TRAP manual "Data Indication" section:
1068 // http://www.kip.uni-heidelberg.de/ti/TRD/doc/trap/TRAP-UserManual.pdf
0c349049 1069 //
dfd03fc3 1070
ce4786b9 1071 if( !CheckInitialized() )
1072 return;
1073
1074 Int_t eBIS = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIS);
1075 Int_t eBIT = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIT);
1076 Int_t eBIL = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIL);
1077 Int_t eBIN = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIN);
ecf39416 1078
b0a41e80 1079 Int_t **adc = fADCF;
dfd03fc3 1080
ce4786b9 1081 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++)
1082 fZSMap[iAdc] = -1;
b0a41e80 1083
1084 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
ce4786b9 1085 Int_t iAdc; // current ADC channel
1086 Int_t ap;
1087 Int_t ac;
1088 Int_t an;
1089 Int_t mask;
1090 Int_t supp; // suppression of the current channel (low active)
1091
1092 // ----- first channel -----
1093 iAdc = 0;
1094
1095 ap = 0; // previous
1096 ac = adc[iAdc ][it]; // current
1097 an = adc[iAdc+1][it]; // next
1098
1099 mask = ( ac >= ap && ac >= an ) ? 0 : 0x1; // peak center detection
1100 mask += ( ap + ac + an > eBIT ) ? 0 : 0x2; // cluster
1101 mask += ( ac > eBIS ) ? 0 : 0x4; // absolute large peak
1102
1103 supp = (eBIL >> mask) & 1;
1104
1105 fZSMap[iAdc] &= ~((1-supp) << it);
1106 if( eBIN == 0 ) { // neighbour sensitivity
1107 fZSMap[iAdc+1] &= ~((1-supp) << it);
dfd03fc3 1108 }
ce4786b9 1109
1110 // ----- last channel -----
1111 iAdc = fgkNADC - 1;
1112
1113 ap = adc[iAdc-1][it]; // previous
1114 ac = adc[iAdc ][it]; // current
1115 an = 0; // next
1116
1117 mask = ( ac >= ap && ac >= an ) ? 0 : 0x1; // peak center detection
1118 mask += ( ap + ac + an > eBIT ) ? 0 : 0x2; // cluster
1119 mask += ( ac > eBIS ) ? 0 : 0x4; // absolute large peak
1120
1121 supp = (eBIL >> mask) & 1;
1122
1123 fZSMap[iAdc] &= ~((1-supp) << it);
1124 if( eBIN == 0 ) { // neighbour sensitivity
1125 fZSMap[iAdc-1] &= ~((1-supp) << it);
ecf39416 1126 }
ce4786b9 1127
1128 // ----- middle channels -----
1129 for( iAdc = 1 ; iAdc < fgkNADC-1; iAdc++ ) {
1130 ap = adc[iAdc-1][it]; // previous
1131 ac = adc[iAdc ][it]; // current
1132 an = adc[iAdc+1][it]; // next
1133
1134 mask = ( ac >= ap && ac >= an ) ? 0 : 0x1; // peak center detection
1135 mask += ( ap + ac + an > eBIT ) ? 0 : 0x2; // cluster
1136 mask += ( ac > eBIS ) ? 0 : 0x4; // absolute large peak
1137
1138 supp = (eBIL >> mask) & 1;
1139
1140 fZSMap[iAdc] &= ~((1-supp) << it);
1141 if( eBIN == 0 ) { // neighbour sensitivity
1142 fZSMap[iAdc-1] &= ~((1-supp) << it);
1143 fZSMap[iAdc+1] &= ~((1-supp) << it);
ecf39416 1144 }
dfd03fc3 1145 }
ce4786b9 1146
dfd03fc3 1147 }
1148}
1149
25b41f6f 1150void AliTRDmcmSim::AddHitToFitreg(Int_t adc, UShort_t timebin, UShort_t qtot, Short_t ypos, Int_t label[])
dfd03fc3 1151{
b0a41e80 1152 // Add the given hit to the fit register which is lateron used for
1153 // the tracklet calculation.
1154 // In addition to the fit sums in the fit register MC information
1155 // is stored.
1156
1157 if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0)) &&
1158 (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE0)))
ab9f7002 1159 fFitReg[adc].fQ0 += qtot;
b0a41e80 1160
1161 if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS1)) &&
1162 (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1)))
ab9f7002 1163 fFitReg[adc].fQ1 += qtot;
b0a41e80 1164
1165 if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS) ) &&
1166 (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE)))
1167 {
ab9f7002 1168 fFitReg[adc].fSumX += timebin;
1169 fFitReg[adc].fSumX2 += timebin*timebin;
1170 fFitReg[adc].fNhits++;
1171 fFitReg[adc].fSumY += ypos;
1172 fFitReg[adc].fSumY2 += ypos*ypos;
1173 fFitReg[adc].fSumXY += timebin*ypos;
b0a41e80 1174 }
1175
1176 // register hits (MC info)
ab9f7002 1177 fHits[fNHits].fChannel = adc;
1178 fHits[fNHits].fQtot = qtot;
1179 fHits[fNHits].fYpos = ypos;
1180 fHits[fNHits].fTimebin = timebin;
25b41f6f 1181 fHits[fNHits].fLabel[0] = label[0];
1182 fHits[fNHits].fLabel[1] = label[1];
1183 fHits[fNHits].fLabel[2] = label[2];
b0a41e80 1184 fNHits++;
1185}
dfd03fc3 1186
b0a41e80 1187void AliTRDmcmSim::CalcFitreg()
1188{
1189 // Preprocessing.
1190 // Detect the hits and fill the fit registers.
1191 // Requires 12-bit data from fADCF which means Filter()
1192 // has to be called before even if all filters are bypassed.
1193
b0a41e80 1194 //??? to be clarified:
64e3d742 1195 UInt_t adcMask = 0xffffffff;
b0a41e80 1196
ab9f7002 1197 UShort_t timebin, adcch, adcLeft, adcCentral, adcRight, hitQual, timebin1, timebin2, qtotTemp;
b0a41e80 1198 Short_t ypos, fromLeft, fromRight, found;
5ac2e3b1 1199 UShort_t qTotal[19+1]; // the last is dummy
ab9f7002 1200 UShort_t marked[6], qMarked[6], worse1, worse2;
b0a41e80 1201
1202 timebin1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS);
1203 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0)
1204 < timebin1)
1205 timebin1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0);
1206 timebin2 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE);
1207 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1)
1208 > timebin2)
1209 timebin2 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1);
1210
1211 // reset the fit registers
1212 fNHits = 0;
ce4786b9 1213 for (adcch = 0; adcch < fgkNADC-2; adcch++) // due to border channels
b0a41e80 1214 {
ab9f7002 1215 fFitReg[adcch].fNhits = 0;
1216 fFitReg[adcch].fQ0 = 0;
1217 fFitReg[adcch].fQ1 = 0;
1218 fFitReg[adcch].fSumX = 0;
1219 fFitReg[adcch].fSumY = 0;
1220 fFitReg[adcch].fSumX2 = 0;
1221 fFitReg[adcch].fSumY2 = 0;
1222 fFitReg[adcch].fSumXY = 0;
b0a41e80 1223 }
1224
1225 for (timebin = timebin1; timebin < timebin2; timebin++)
1226 {
ab9f7002 1227 // first find the hit candidates and store the total cluster charge in qTotal array
b0a41e80 1228 // in case of not hit store 0 there.
ce4786b9 1229 for (adcch = 0; adcch < fgkNADC-2; adcch++) {
ab9f7002 1230 if ( ( (adcMask >> adcch) & 7) == 7) //??? all 3 channels are present in case of ZS
b0a41e80 1231 {
ab9f7002 1232 adcLeft = fADCF[adcch ][timebin];
1233 adcCentral = fADCF[adcch+1][timebin];
1234 adcRight = fADCF[adcch+2][timebin];
b0a41e80 1235 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPVBY) == 1)
ab9f7002 1236 hitQual = ( (adcLeft * adcRight) <
1237 (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPVT) * adcCentral) );
b0a41e80 1238 else
ab9f7002 1239 hitQual = 1;
b0a41e80 1240 // The accumulated charge is with the pedestal!!!
ab9f7002 1241 qtotTemp = adcLeft + adcCentral + adcRight;
1242 if ( (hitQual) &&
1243 (qtotTemp >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPHT)) &&
1244 (adcLeft <= adcCentral) &&
1245 (adcCentral > adcRight) )
1246 qTotal[adcch] = qtotTemp;
b0a41e80 1247 else
ab9f7002 1248 qTotal[adcch] = 0;
b0a41e80 1249 }
1250 else
ab9f7002 1251 qTotal[adcch] = 0; //jkl
ce4786b9 1252 if (qTotal[adcch] != 0)
1253 AliDebug(10,Form("ch %2d qTotal %5d",adcch, qTotal[adcch]));
b0a41e80 1254 }
dfd03fc3 1255
b0a41e80 1256 fromLeft = -1;
1257 adcch = 0;
1258 found = 0;
1259 marked[4] = 19; // invalid channel
1260 marked[5] = 19; // invalid channel
ab9f7002 1261 qTotal[19] = 0;
b0a41e80 1262 while ((adcch < 16) && (found < 3))
1263 {
ab9f7002 1264 if (qTotal[adcch] > 0)
b0a41e80 1265 {
1266 fromLeft = adcch;
1267 marked[2*found+1]=adcch;
1268 found++;
1269 }
1270 adcch++;
1271 }
dfd03fc3 1272
b0a41e80 1273 fromRight = -1;
1274 adcch = 18;
1275 found = 0;
1276 while ((adcch > 2) && (found < 3))
1277 {
ab9f7002 1278 if (qTotal[adcch] > 0)
b0a41e80 1279 {
1280 marked[2*found]=adcch;
1281 found++;
1282 fromRight = adcch;
1283 }
1284 adcch--;
1285 }
dfd03fc3 1286
4ff7ed2b 1287 AliDebug(10,Form("Fromleft=%d, Fromright=%d",fromLeft, fromRight));
b0a41e80 1288 // here mask the hit candidates in the middle, if any
1289 if ((fromLeft >= 0) && (fromRight >= 0) && (fromLeft < fromRight))
1290 for (adcch = fromLeft+1; adcch < fromRight; adcch++)
ab9f7002 1291 qTotal[adcch] = 0;
dfd03fc3 1292
b0a41e80 1293 found = 0;
1294 for (adcch = 0; adcch < 19; adcch++)
ab9f7002 1295 if (qTotal[adcch] > 0) found++;
b0a41e80 1296 // NOT READY
1297
1298 if (found > 4) // sorting like in the TRAP in case of 5 or 6 candidates!
1299 {
1300 if (marked[4] == marked[5]) marked[5] = 19;
1301 for (found=0; found<6; found++)
1302 {
ab9f7002 1303 qMarked[found] = qTotal[marked[found]] >> 4;
4ff7ed2b 1304 AliDebug(10,Form("ch_%d qTotal %d qTotals %d",marked[found],qTotal[marked[found]],qMarked[found]));
b0a41e80 1305 }
dfd03fc3 1306
b0a41e80 1307 Sort6To2Worst(marked[0], marked[3], marked[4], marked[1], marked[2], marked[5],
ab9f7002 1308 qMarked[0],
1309 qMarked[3],
1310 qMarked[4],
1311 qMarked[1],
1312 qMarked[2],
1313 qMarked[5],
b0a41e80 1314 &worse1, &worse2);
1315 // Now mask the two channels with the smallest charge
1316 if (worse1 < 19)
1317 {
ab9f7002 1318 qTotal[worse1] = 0;
4ff7ed2b 1319 AliDebug(10,Form("Kill ch %d\n",worse1));
b0a41e80 1320 }
1321 if (worse2 < 19)
1322 {
ab9f7002 1323 qTotal[worse2] = 0;
4ff7ed2b 1324 AliDebug(10,Form("Kill ch %d\n",worse2));
b0a41e80 1325 }
1326 }
1327
1328 for (adcch = 0; adcch < 19; adcch++) {
ab9f7002 1329 if (qTotal[adcch] > 0) // the channel is marked for processing
b0a41e80 1330 {
ab9f7002 1331 adcLeft = fADCF[adcch ][timebin];
1332 adcCentral = fADCF[adcch+1][timebin];
1333 adcRight = fADCF[adcch+2][timebin];
b0a41e80 1334 // hit detected, in TRAP we have 4 units and a hit-selection, here we proceed all channels!
1335 // subtract the pedestal TPFP, clipping instead of wrapping
1336
ab9f7002 1337 Int_t regTPFP = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP);
4ff7ed2b 1338 AliDebug(10, Form("Hit found, time=%d, adcch=%d/%d/%d, adc values=%d/%d/%d, regTPFP=%d, TPHT=%d\n",
1339 timebin, adcch, adcch+1, adcch+2, adcLeft, adcCentral, adcRight, regTPFP,
1340 fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPHT)));
b0a41e80 1341
ab9f7002 1342 if (adcLeft < regTPFP) adcLeft = 0; else adcLeft -= regTPFP;
1343 if (adcCentral < regTPFP) adcCentral = 0; else adcCentral -= regTPFP;
1344 if (adcRight < regTPFP) adcRight = 0; else adcRight -= regTPFP;
f793c83d 1345
b0a41e80 1346 // Calculate the center of gravity
f793c83d 1347 // checking for adcCentral != 0 (in case of "bad" configuration)
1348 if (adcCentral == 0)
1349 continue;
ab9f7002 1350 ypos = 128*(adcLeft - adcRight) / adcCentral;
b0a41e80 1351 if (ypos < 0) ypos = -ypos;
ce4786b9 1352 // make the correction using the position LUT
25b41f6f 1353 ypos = ypos + fTrapConfig->GetTrapReg((AliTRDtrapConfig::TrapReg_t) (AliTRDtrapConfig::kTPL00 + (ypos & 0x7F)),
1354 fDetector, fRobPos, fMcmPos);
ab9f7002 1355 if (adcLeft > adcRight) ypos = -ypos;
40bd6ee4 1356
25b41f6f 1357 // label calculation (up to 3)
1358 Int_t mcLabel[] = {-1, -1, -1};
40bd6ee4 1359 if (fDigitsManager) {
25b41f6f 1360 const Int_t maxLabels = 9;
1361 Int_t label[maxLabels] = { 0 }; // up to 9 different labels possible
1362 Int_t count[maxLabels] = { 0 };
40bd6ee4 1363 Int_t nLabels = 0;
1364 Int_t padcol[3];
1365 padcol[0] = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adcch);
1366 padcol[1] = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adcch+1);
1367 padcol[2] = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adcch+2);
1368 Int_t padrow = fFeeParam->GetPadRowFromMCM(fRobPos, fMcmPos);
1369 for (Int_t iDict = 0; iDict < 3; iDict++) {
ce4786b9 1370 if (!fDict[iDict])
40bd6ee4 1371 continue;
40bd6ee4 1372 for (Int_t iPad = 0; iPad < 3; iPad++) {
1373 if (padcol[iPad] < 0)
1374 continue;
25b41f6f 1375 Int_t currLabel = fDict[iDict]->GetData(padrow, padcol[iPad], timebin);
4ff7ed2b 1376 AliDebug(10, Form("Read label: %4i for det: %3i, row: %i, col: %i, tb: %i\n", currLabel, fDetector, padrow, padcol[iPad], timebin));
40bd6ee4 1377 for (Int_t iLabel = 0; iLabel < nLabels; iLabel++) {
1378 if (currLabel == label[iLabel]) {
1379 count[iLabel]++;
ce51199c 1380 currLabel = -1;
40bd6ee4 1381 break;
1382 }
1383 }
ce51199c 1384 if (currLabel >= 0) {
25b41f6f 1385 label[nLabels] = currLabel;
1386 count[nLabels] = 1;
1387 nLabels++;
40bd6ee4 1388 }
1389 }
1390 }
25b41f6f 1391 Int_t index[maxLabels];
1392 TMath::Sort(maxLabels, count, index);
1393 for (Int_t i = 0; i < 3; i++) {
1394 if (count[index[i]] <= 0)
1395 break;
1396 mcLabel[i] = label[index[i]];
1397 }
40bd6ee4 1398 }
1399
1400 // add the hit to the fitregister
1401 AddHitToFitreg(adcch, timebin, qTotal[adcch], ypos, mcLabel);
b0a41e80 1402 }
dfd03fc3 1403 }
1404 }
ce4786b9 1405
1406 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1407 if (fFitReg[iAdc].fNhits != 0) {
1408 AliDebug(2, Form("fitreg[%i]: nHits = %i, sumX = %i, sumY = %i, sumX2 = %i, sumY2 = %i, sumXY = %i", iAdc,
1409 fFitReg[iAdc].fNhits,
1410 fFitReg[iAdc].fSumX,
1411 fFitReg[iAdc].fSumY,
1412 fFitReg[iAdc].fSumX2,
1413 fFitReg[iAdc].fSumY2,
1414 fFitReg[iAdc].fSumXY
1415 ));
1416 }
1417 }
dfd03fc3 1418}
1419
b0a41e80 1420void AliTRDmcmSim::TrackletSelection()
dfd03fc3 1421{
b0a41e80 1422 // Select up to 4 tracklet candidates from the fit registers
1423 // and assign them to the CPUs.
1424
ab9f7002 1425 UShort_t adcIdx, i, j, ntracks, tmp;
1426 UShort_t trackletCand[18][2]; // store the adcch[0] and number of hits[1] for all tracklet candidates
b0a41e80 1427
1428 ntracks = 0;
ab9f7002 1429 for (adcIdx = 0; adcIdx < 18; adcIdx++) // ADCs
1430 if ( (fFitReg[adcIdx].fNhits
b0a41e80 1431 >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPCL)) &&
ab9f7002 1432 (fFitReg[adcIdx].fNhits+fFitReg[adcIdx+1].fNhits
b0a41e80 1433 >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPCT)))
1434 {
ab9f7002 1435 trackletCand[ntracks][0] = adcIdx;
1436 trackletCand[ntracks][1] = fFitReg[adcIdx].fNhits+fFitReg[adcIdx+1].fNhits;
4ff7ed2b 1437 AliDebug(10,Form("%d %2d %4d\n", ntracks, trackletCand[ntracks][0], trackletCand[ntracks][1]));
b0a41e80 1438 ntracks++;
1439 };
1440
4ff7ed2b 1441 for (i=0; i<ntracks;i++)
1442 AliDebug(10,Form("%d %d %d\n",i,trackletCand[i][0], trackletCand[i][1]));
b0a41e80 1443
1444 if (ntracks > 4)
1445 {
1446 // primitive sorting according to the number of hits
1447 for (j = 0; j < (ntracks-1); j++)
1448 {
1449 for (i = j+1; i < ntracks; i++)
1450 {
ab9f7002 1451 if ( (trackletCand[j][1] < trackletCand[i][1]) ||
1452 ( (trackletCand[j][1] == trackletCand[i][1]) && (trackletCand[j][0] < trackletCand[i][0]) ) )
b0a41e80 1453 {
1454 // swap j & i
ab9f7002 1455 tmp = trackletCand[j][1];
1456 trackletCand[j][1] = trackletCand[i][1];
1457 trackletCand[i][1] = tmp;
1458 tmp = trackletCand[j][0];
1459 trackletCand[j][0] = trackletCand[i][0];
1460 trackletCand[i][0] = tmp;
b0a41e80 1461 }
1462 }
1463 }
1464 ntracks = 4; // cut the rest, 4 is the max
dfd03fc3 1465 }
b0a41e80 1466 // else is not necessary to sort
dfd03fc3 1467
b0a41e80 1468 // now sort, so that the first tracklet going to CPU0 corresponds to the highest adc channel - as in the TRAP
1469 for (j = 0; j < (ntracks-1); j++)
1470 {
1471 for (i = j+1; i < ntracks; i++)
1472 {
ab9f7002 1473 if (trackletCand[j][0] < trackletCand[i][0])
b0a41e80 1474 {
1475 // swap j & i
ab9f7002 1476 tmp = trackletCand[j][1];
1477 trackletCand[j][1] = trackletCand[i][1];
1478 trackletCand[i][1] = tmp;
1479 tmp = trackletCand[j][0];
1480 trackletCand[j][0] = trackletCand[i][0];
1481 trackletCand[i][0] = tmp;
b0a41e80 1482 }
dfd03fc3 1483 }
b0a41e80 1484 }
1485 for (i = 0; i < ntracks; i++) // CPUs with tracklets.
ab9f7002 1486 fFitPtr[i] = trackletCand[i][0]; // pointer to the left channel with tracklet for CPU[i]
b0a41e80 1487 for (i = ntracks; i < 4; i++) // CPUs without tracklets
1488 fFitPtr[i] = 31; // pointer to the left channel with tracklet for CPU[i] = 31 (invalid)
4ff7ed2b 1489 AliDebug(10,Form("found %i tracklet candidates\n", ntracks));
1490 for (i = 0; i < 4; i++)
1491 AliDebug(10,Form("fitPtr[%i]: %i\n", i, fFitPtr[i]));
b0a41e80 1492}
dfd03fc3 1493
b0a41e80 1494void AliTRDmcmSim::FitTracklet()
1495{
1496 // Perform the actual tracklet fit based on the fit sums
1497 // which have been filled in the fit registers.
1498
1499 // parameters in fitred.asm (fit program)
1500 Int_t decPlaces = 5;
1501 Int_t rndAdd = 0;
1502 if (decPlaces > 1)
1503 rndAdd = (1 << (decPlaces-1)) + 1;
1504 else if (decPlaces == 1)
1505 rndAdd = 1;
4ff7ed2b 1506 Int_t ndriftDp = 5; // decimal places for drift time
1507 Long64_t shift = ((Long64_t) 1 << 32);
1508
4ff7ed2b 1509 // calculated in fitred.asm
1510 Int_t padrow = ((fRobPos >> 1) << 2) | (fMcmPos >> 2);
1511 Int_t yoffs = (((((fRobPos & 0x1) << 2) + (fMcmPos & 0x3)) * 18) << 8) -
1512 ((18*4*2 - 18*2 - 1) << 7);
1513 yoffs = yoffs << decPlaces; // holds position of ADC channel 1
1514 Int_t layer = fDetector % 6;
1515 UInt_t scaleY = (UInt_t) ((0.635 + 0.03 * layer)/(256.0 * 160.0e-4) * shift);
1516 UInt_t scaleD = (UInt_t) ((0.635 + 0.03 * layer)/(256.0 * 140.0e-4) * shift);
4ff7ed2b 1517
8ea391e3 1518 Int_t deflCorr = (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCorr, fDetector, fRobPos, fMcmPos);
1519 Int_t ndrift = (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrNdrift, fDetector, fRobPos, fMcmPos);
b0a41e80 1520
1521 // local variables for calculation
1522 Long64_t mult, temp, denom; //???
8ea391e3 1523 UInt_t q0, q1, pid; // charges in the two windows and total charge
b0a41e80 1524 UShort_t nHits; // number of hits
1525 Int_t slope, offset; // slope and offset of the tracklet
1526 Int_t sumX, sumY, sumXY, sumX2; // fit sums from fit registers
ce51199c 1527 Int_t sumY2; // not used in the current TRAP program, now used for error calculation (simulation only)
1528 Float_t fitError, fitSlope, fitOffset;
b0a41e80 1529 FitReg_t *fit0, *fit1; // pointers to relevant fit registers
1530
1531// const uint32_t OneDivN[32] = { // 2**31/N : exactly like in the TRAP, the simple division here gives the same result!
1532// 0x00000000, 0x80000000, 0x40000000, 0x2AAAAAA0, 0x20000000, 0x19999990, 0x15555550, 0x12492490,
1533// 0x10000000, 0x0E38E380, 0x0CCCCCC0, 0x0BA2E8B0, 0x0AAAAAA0, 0x09D89D80, 0x09249240, 0x08888880,
1534// 0x08000000, 0x07878780, 0x071C71C0, 0x06BCA1A0, 0x06666660, 0x06186180, 0x05D17450, 0x0590B210,
1535// 0x05555550, 0x051EB850, 0x04EC4EC0, 0x04BDA120, 0x04924920, 0x0469EE50, 0x04444440, 0x04210840};
1536
1537 for (Int_t cpu = 0; cpu < 4; cpu++) {
1538 if (fFitPtr[cpu] == 31)
1539 {
1540 fMCMT[cpu] = 0x10001000; //??? AliTRDfeeParam::GetTrackletEndmarker();
dfd03fc3 1541 }
b0a41e80 1542 else
1543 {
1544 fit0 = &fFitReg[fFitPtr[cpu] ];
1545 fit1 = &fFitReg[fFitPtr[cpu]+1]; // next channel
1546
1547 mult = 1;
1548 mult = mult << (32 + decPlaces);
1549 mult = -mult;
1550
1551 // Merging
ab9f7002 1552 nHits = fit0->fNhits + fit1->fNhits; // number of hits
1553 sumX = fit0->fSumX + fit1->fSumX;
1554 sumX2 = fit0->fSumX2 + fit1->fSumX2;
b0a41e80 1555 denom = nHits*sumX2 - sumX*sumX;
1556
1557 mult = mult / denom; // exactly like in the TRAP program
ab9f7002 1558 q0 = fit0->fQ0 + fit1->fQ0;
1559 q1 = fit0->fQ1 + fit1->fQ1;
1560 sumY = fit0->fSumY + fit1->fSumY + 256*fit1->fNhits;
1561 sumXY = fit0->fSumXY + fit1->fSumXY + 256*fit1->fSumX;
ce51199c 1562 sumY2 = fit0->fSumY2 + fit1->fSumY2 + 512*fit1->fSumY + 256*256*fit1->fNhits;
b0a41e80 1563
1564 slope = nHits*sumXY - sumX * sumY;
1565 offset = sumX2*sumY - sumX * sumXY;
1566 temp = mult * slope;
1567 slope = temp >> 32; // take the upper 32 bits
4ff7ed2b 1568 slope = -slope;
b0a41e80 1569 temp = mult * offset;
1570 offset = temp >> 32; // take the upper 32 bits
1571
4ff7ed2b 1572 offset = offset + yoffs;
ce4786b9 1573 AliDebug(10, Form("slope = %i, slope * ndrift = %i, deflCorr: %i",
1574 slope, slope * ndrift, deflCorr));
1575 slope = ((slope * ndrift) >> ndriftDp) + deflCorr;
b0a41e80 1576 offset = offset - (fFitPtr[cpu] << (8 + decPlaces));
1577
4ff7ed2b 1578 temp = slope;
1579 temp = temp * scaleD;
1580 slope = (temp >> 32);
4ff7ed2b 1581 temp = offset;
1582 temp = temp * scaleY;
1583 offset = (temp >> 32);
1584
1585 // rounding, like in the TRAP
1586 slope = (slope + rndAdd) >> decPlaces;
4ff7ed2b 1587 offset = (offset + rndAdd) >> decPlaces;
1588
ce4786b9 1589 AliDebug(5, Form("Det: %3i, ROB: %i, MCM: %2i: deflection: %i, min: %i, max: %i",
1590 fDetector, fRobPos, fMcmPos, slope,
8ea391e3 1591 (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos),
1592 (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 1 + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos)));
ce4786b9 1593
ce51199c 1594 AliDebug(5, Form("Fit sums: x = %i, X = %i, y = %i, Y = %i, Z = %i",
1595 sumX, sumX2, sumY, sumY2, sumXY));
1596
1597 fitSlope = (Float_t) (nHits * sumXY - sumX * sumY) / (nHits * sumX2 - sumX*sumX);
1598
1599 fitOffset = (Float_t) (sumX2 * sumY - sumX * sumXY) / (nHits * sumX2 - sumX*sumX);
1600
1601 Float_t sx = (Float_t) sumX;
1602 Float_t sx2 = (Float_t) sumX2;
1603 Float_t sy = (Float_t) sumY;
1604 Float_t sy2 = (Float_t) sumY2;
1605 Float_t sxy = (Float_t) sumXY;
1606 fitError = sy2 - (sx2 * sy*sy - 2 * sx * sxy * sy + nHits * sxy*sxy) / (nHits * sx2 - sx*sx);
1607 //fitError = (Float_t) sumY2 - (Float_t) (sumY*sumY) / nHits - fitSlope * ((Float_t) (sumXY - sumX*sumY) / nHits);
1608
40bd6ee4 1609 Bool_t rejected = kFALSE;
ce4786b9 1610 // deflection range table from DMEM
8ea391e3 1611 if ((slope < ((Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos))) ||
1612 (slope > ((Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 1 + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos))))
40bd6ee4 1613 rejected = kTRUE;
4ff7ed2b 1614
1615 if (rejected && GetApplyCut())
b0a41e80 1616 {
1617 fMCMT[cpu] = 0x10001000; //??? AliTRDfeeParam::GetTrackletEndmarker();
1618 }
1619 else
1620 {
4ff7ed2b 1621 if (slope > 63 || slope < -64) { // wrapping in TRAP!
40bd6ee4 1622 AliError(Form("Overflow in slope: %i, tracklet discarded!", slope));
1623 fMCMT[cpu] = 0x10001000;
1624 continue;
1625 }
b0a41e80 1626
4ff7ed2b 1627 slope = slope & 0x7F; // 7 bit
1628
40bd6ee4 1629 if (offset > 0xfff || offset < -0xfff)
b0a41e80 1630 AliWarning("Overflow in offset");
1631 offset = offset & 0x1FFF; // 13 bit
1632
8ea391e3 1633 pid = GetPID(q0 >> fgkAddDigits, q1 >> fgkAddDigits); // divided by 4 because in simulation there are two additional decimal places
4ff7ed2b 1634
8ea391e3 1635 if (pid > 0xff)
1636 AliWarning("Overflow in PID");
1637 pid = pid & 0xFF; // 8 bit, exactly like in the TRAP program
4ff7ed2b 1638
b0a41e80 1639 // assemble and store the tracklet word
8ea391e3 1640 fMCMT[cpu] = (pid << 24) | (padrow << 20) | (slope << 13) | offset;
40bd6ee4 1641
1642 // calculate MC label
25b41f6f 1643 Int_t mcLabel[] = { -1, -1, -1};
4ff7ed2b 1644 Int_t nHits0 = 0;
1645 Int_t nHits1 = 0;
40bd6ee4 1646 if (fDigitsManager) {
25b41f6f 1647 const Int_t maxLabels = 30;
1648 Int_t label[maxLabels] = {0}; // up to 30 different labels possible
1649 Int_t count[maxLabels] = {0};
40bd6ee4 1650 Int_t nLabels = 0;
1651 for (Int_t iHit = 0; iHit < fNHits; iHit++) {
1652 if ((fHits[iHit].fChannel - fFitPtr[cpu] < 0) ||
1653 (fHits[iHit].fChannel - fFitPtr[cpu] > 1))
1654 continue;
4ff7ed2b 1655
1656 // counting contributing hits
1657 if (fHits[iHit].fTimebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0) &&
1658 fHits[iHit].fTimebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE0))
1659 nHits0++;
1660 if (fHits[iHit].fTimebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS1) &&
1661 fHits[iHit].fTimebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1))
1662 nHits1++;
1663
25b41f6f 1664 for (Int_t i = 0; i < 3; i++) {
1665 Int_t currLabel = fHits[iHit].fLabel[i];
1666 for (Int_t iLabel = 0; iLabel < nLabels; iLabel++) {
1667 if (currLabel == label[iLabel]) {
1668 count[iLabel]++;
1669 currLabel = -1;
1670 break;
1671 }
1672 }
1673 if (currLabel >= 0 && nLabels < maxLabels) {
1674 label[nLabels] = currLabel;
1675 count[nLabels]++;
1676 nLabels++;
1677 }
1678 }
1679 }
1680 Int_t index[maxLabels];
1681 TMath::Sort(maxLabels, count, index);
1682 for (Int_t i = 0; i < 3; i++) {
1683 if (count[index[i]] <= 0)
1684 break;
1685 mcLabel[i] = label[index[i]];
1686 }
40bd6ee4 1687 }
f793c83d 1688 new ((*fTrackletArray)[fTrackletArray->GetEntriesFast()]) AliTRDtrackletMCM((UInt_t) fMCMT[cpu], fDetector*2 + fRobPos%2, fRobPos, fMcmPos);
40bd6ee4 1689 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetLabel(mcLabel);
4ff7ed2b 1690
1691
1692 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetNHits(fit0->fNhits + fit1->fNhits);
1693 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetNHits0(nHits0);
1694 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetNHits1(nHits1);
48e5462a 1695 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetQ0(q0);
1696 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetQ1(q1);
ce51199c 1697 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetSlope(fitSlope);
1698 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetOffset(fitOffset);
1699 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetError(TMath::Sqrt(TMath::Abs(fitError)/nHits));
1700
1701// // cluster information
1702// Float_t *res = new Float_t[nHits];
1703// Float_t *qtot = new Float_t[nHits];
1704// Int_t nCls = 0;
1705// for (Int_t iHit = 0; iHit < fNHits; iHit++) {
1706// // check if hit contributes
1707// if (fHits[iHit].fChannel == fFitPtr[cpu]) {
1708// res[nCls] = fHits[iHit].fYpos - (fitSlope * fHits[iHit].fTimebin + fitOffset);
1709// qtot[nCls] = fHits[iHit].fQtot;
1710// nCls++;
1711// }
1712// else if (fHits[iHit].fChannel == fFitPtr[cpu] + 1) {
1713// res[nCls] = fHits[iHit].fYpos + 256 - (fitSlope * fHits[iHit].fTimebin + fitOffset);
1714// qtot[nCls] = fHits[iHit].fQtot;
1715// nCls++;
1716// }
1717// }
1718// ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetClusters(res, qtot, nCls);
1719// delete [] res;
1720// delete [] qtot;
1721
1722 if (fitError < 0)
1723 AliError(Form("Strange fit error: %f from Sx: %i, Sy: %i, Sxy: %i, Sx2: %i, Sy2: %i, nHits: %i",
1724 fitError, sumX, sumY, sumXY, sumX2, sumY2, nHits));
1725 AliDebug(3, Form("fit slope: %f, offset: %f, error: %f",
1726 fitSlope, fitOffset, TMath::Sqrt(TMath::Abs(fitError)/nHits)));
b0a41e80 1727 }
dfd03fc3 1728 }
dfd03fc3 1729 }
1730}
1731
b0a41e80 1732void AliTRDmcmSim::Tracklet()
dfd03fc3 1733{
ab9f7002 1734 // Run the tracklet calculation by calling sequentially:
1735 // CalcFitreg(); TrackletSelection(); FitTracklet()
1736 // and store the tracklets
1737
b0a41e80 1738 if (!fInitialized) {
ab9f7002 1739 AliError("Called uninitialized! Nothing done!");
b0a41e80 1740 return;
dfd03fc3 1741 }
1742
b0a41e80 1743 fTrackletArray->Delete();
dfd03fc3 1744
b0a41e80 1745 CalcFitreg();
40bd6ee4 1746 if (fNHits == 0)
1747 return;
b0a41e80 1748 TrackletSelection();
1749 FitTracklet();
c8b1590d 1750}
1751
1752Bool_t AliTRDmcmSim::StoreTracklets()
1753{
36dc3337 1754 // store the found tracklets via the loader
1755
40bd6ee4 1756 if (fTrackletArray->GetEntriesFast() == 0)
c8b1590d 1757 return kTRUE;
dfd03fc3 1758
b0a41e80 1759 AliRunLoader *rl = AliRunLoader::Instance();
1760 AliDataLoader *dl = 0x0;
1761 if (rl)
1762 dl = rl->GetLoader("TRDLoader")->GetDataLoader("tracklets");
1763 if (!dl) {
1764 AliError("Could not get the tracklets data loader!");
c8b1590d 1765 return kFALSE;
dfd03fc3 1766 }
b0a41e80 1767
c8b1590d 1768 TTree *trackletTree = dl->Tree();
1769 if (!trackletTree) {
1770 dl->MakeTree();
1771 trackletTree = dl->Tree();
1772 }
1773
1774 AliTRDtrackletMCM *trkl = 0x0;
6b094867 1775 TBranch *trkbranch = trackletTree->GetBranch(fTrklBranchName.Data());
c8b1590d 1776 if (!trkbranch)
6b094867 1777 trkbranch = trackletTree->Branch(fTrklBranchName.Data(), "AliTRDtrackletMCM", &trkl, 32000);
c8b1590d 1778
1779 for (Int_t iTracklet = 0; iTracklet < fTrackletArray->GetEntriesFast(); iTracklet++) {
1780 trkl = ((AliTRDtrackletMCM*) (*fTrackletArray)[iTracklet]);
1781 trkbranch->SetAddress(&trkl);
c8b1590d 1782 trkbranch->Fill();
b0a41e80 1783 }
c8b1590d 1784
1785 return kTRUE;
dfd03fc3 1786}
1787
b0a41e80 1788void AliTRDmcmSim::WriteData(AliTRDarrayADC *digits)
dfd03fc3 1789{
b0a41e80 1790 // write back the processed data configured by EBSF
1791 // EBSF = 1: unfiltered data; EBSF = 0: filtered data
1792 // zero-suppressed valued are written as -1 to digits
dfd03fc3 1793
ce4786b9 1794 if( !CheckInitialized() )
b0a41e80 1795 return;
dfd03fc3 1796
ce4786b9 1797 Int_t offset = (fMcmPos % 4 + 1) * 21 + (fRobPos % 2) * 84 - 1;
dfd03fc3 1798
b0a41e80 1799 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBSF) != 0) // store unfiltered data
1800 {
ce4786b9 1801 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1802 if (~fZSMap[iAdc] == 0) {
b0a41e80 1803 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
ce4786b9 1804 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, -1);
b0a41e80 1805 }
1806 }
ce51199c 1807 else if (iAdc < 2 || iAdc == 20) {
1808 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1809 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, (fADCR[iAdc][iTimeBin] >> fgkAddDigits) - fgAddBaseline);
1810 }
1811 }
b0a41e80 1812 }
1813 }
1814 else {
ce4786b9 1815 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1816 if (~fZSMap[iAdc] != 0) {
b0a41e80 1817 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
ce4786b9 1818 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, (fADCF[iAdc][iTimeBin] >> fgkAddDigits) - fgAddBaseline);
b0a41e80 1819 }
1820 }
1821 else {
1822 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
ce4786b9 1823 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, -1);
b0a41e80 1824 }
1825 }
1826 }
dfd03fc3 1827 }
b0a41e80 1828}
dfd03fc3 1829
8ea391e3 1830
1831// ******************************
1832// PID section
1833//
1834// Memory area for the LUT: 0xC100 to 0xC3FF
1835//
1836// The addresses for the parameters (the order is optimized for maximum calculation speed in the MCMs):
1837// 0xC028: cor1
1838// 0xC029: nBins(sF)
1839// 0xC02A: cor0
1840// 0xC02B: TableLength
1841// Defined in AliTRDtrapConfig.h
1842//
1843// The algorithm implemented in the TRAP program of the MCMs (Venelin Angelov)
1844// 1) set the read pointer to the beginning of the Parameters in DMEM
1845// 2) shift right the FitReg with the Q0 + (Q1 << 16) to get Q1
1846// 3) read cor1 with rpointer++
1847// 4) start cor1*Q1
1848// 5) read nBins with rpointer++
1849// 6) start nBins*cor1*Q1
1850// 7) read cor0 with rpointer++
1851// 8) swap hi-low parts in FitReg, now is Q1 + (Q0 << 16)
1852// 9) shift right to get Q0
1853// 10) start cor0*Q0
1854// 11) read TableLength
1855// 12) compare cor0*Q0 with nBins
1856// 13) if >=, clip cor0*Q0 to nBins-1
1857// 14) add cor0*Q0 to nBins*cor1*Q1
1858// 15) compare the result with TableLength
1859// 16) if >=, clip to TableLength-1
1860// 17) read from the LUT 8 bits
1861
1862
1863Int_t AliTRDmcmSim::GetPID(Int_t q0, Int_t q1)
1864{
6b094867 1865 // return PID calculated from charges accumulated in two time windows
1866
8ea391e3 1867 ULong64_t addrQ0;
1868 ULong64_t addr;
1869
1870 UInt_t nBinsQ0 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTnbins); // number of bins in q0 / 4 !!
1871 UInt_t pidTotalSize = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength);
5ac2e3b1 1872 if(nBinsQ0==0 || pidTotalSize==0) // make sure we don't run into trouble if one of the values is not configured
1873 return 0;
8ea391e3 1874
1875 ULong_t corrQ0 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTcor0, fDetector, fRobPos, fMcmPos);
1876 ULong_t corrQ1 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTcor1, fDetector, fRobPos, fMcmPos);
5ac2e3b1 1877 if(corrQ0==0 || corrQ1==0) // make sure we don't run into trouble if one of the values is not configured
1878 return 0;
8ea391e3 1879
1880 addrQ0 = corrQ0;
1881 addrQ0 = (((addrQ0*q0)>>16)>>16); // because addrQ0 = (q0 * corrQ0) >> 32; does not work for unknown reasons
8ea391e3 1882
1883 if(addrQ0 >= nBinsQ0) { // check for overflow
e3bd81f7 1884 AliDebug(5,Form("Overflow in q0: %llu/4 is bigger then %u", addrQ0, nBinsQ0));
8ea391e3 1885 addrQ0 = nBinsQ0 -1;
1886 }
1887
1888 addr = corrQ1;
1889 addr = (((addr*q1)>>16)>>16);
1890 addr = addrQ0 + nBinsQ0*addr; // because addr = addrQ0 + nBinsQ0* (((corrQ1*q1)>>32); does not work
8ea391e3 1891
1892 if(addr >= pidTotalSize) {
e3bd81f7 1893 AliDebug(5,Form("Overflow in q1. Address %llu/4 is bigger then %u", addr, pidTotalSize));
8ea391e3 1894 addr = pidTotalSize -1;
1895 }
1896
1897 // 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)
1898 // and so on
1899 UInt_t result = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTStart+(addr/4));
1900 return (result>>((addr%4)*8)) & 0xFF;
1901}
1902
1903
1904
b0a41e80 1905// help functions, to be cleaned up
1906
ab9f7002 1907UInt_t AliTRDmcmSim::AddUintClipping(UInt_t a, UInt_t b, UInt_t nbits) const
b0a41e80 1908{
1909 //
1910 // This function adds a and b (unsigned) and clips to
1911 // the specified number of bits.
1912 //
1913
1914 UInt_t sum = a + b;
1915 if (nbits < 32)
1916 {
1917 UInt_t maxv = (1 << nbits) - 1;;
1918 if (sum > maxv)
1919 sum = maxv;
1920 }
1921 else
1922 {
1923 if ((sum < a) || (sum < b))
1924 sum = 0xFFFFFFFF;
1925 }
1926 return sum;
dfd03fc3 1927}
1928
982869bc 1929void AliTRDmcmSim::Sort2(UShort_t idx1i, UShort_t idx2i, \
1930 UShort_t val1i, UShort_t val2i, \
6b094867 1931 UShort_t * const idx1o, UShort_t * const idx2o, \
1932 UShort_t * const val1o, UShort_t * const val2o) const
dfd03fc3 1933{
ab9f7002 1934 // sorting for tracklet selection
dfd03fc3 1935
b0a41e80 1936 if (val1i > val2i)
1937 {
1938 *idx1o = idx1i;
1939 *idx2o = idx2i;
1940 *val1o = val1i;
1941 *val2o = val2i;
1942 }
1943 else
1944 {
1945 *idx1o = idx2i;
1946 *idx2o = idx1i;
1947 *val1o = val2i;
1948 *val2o = val1i;
1949 }
1950}
1951
982869bc 1952void AliTRDmcmSim::Sort3(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, \
1953 UShort_t val1i, UShort_t val2i, UShort_t val3i, \
6b094867 1954 UShort_t * const idx1o, UShort_t * const idx2o, UShort_t * const idx3o, \
1955 UShort_t * const val1o, UShort_t * const val2o, UShort_t * const val3o)
b0a41e80 1956{
ab9f7002 1957 // sorting for tracklet selection
1958
4ff7ed2b 1959 Int_t sel;
dfd03fc3 1960
dfd03fc3 1961
b0a41e80 1962 if (val1i > val2i) sel=4; else sel=0;
1963 if (val2i > val3i) sel=sel + 2;
1964 if (val3i > val1i) sel=sel + 1;
b0a41e80 1965 switch(sel)
1966 {
1967 case 6 : // 1 > 2 > 3 => 1 2 3
1968 case 0 : // 1 = 2 = 3 => 1 2 3 : in this case doesn't matter, but so is in hardware!
1969 *idx1o = idx1i;
1970 *idx2o = idx2i;
1971 *idx3o = idx3i;
1972 *val1o = val1i;
1973 *val2o = val2i;
1974 *val3o = val3i;
1975 break;
1976
1977 case 4 : // 1 > 2, 2 <= 3, 3 <= 1 => 1 3 2
1978 *idx1o = idx1i;
1979 *idx2o = idx3i;
1980 *idx3o = idx2i;
1981 *val1o = val1i;
1982 *val2o = val3i;
1983 *val3o = val2i;
1984 break;
1985
1986 case 2 : // 1 <= 2, 2 > 3, 3 <= 1 => 2 1 3
1987 *idx1o = idx2i;
1988 *idx2o = idx1i;
1989 *idx3o = idx3i;
1990 *val1o = val2i;
1991 *val2o = val1i;
1992 *val3o = val3i;
1993 break;
1994
1995 case 3 : // 1 <= 2, 2 > 3, 3 > 1 => 2 3 1
1996 *idx1o = idx2i;
1997 *idx2o = idx3i;
1998 *idx3o = idx1i;
1999 *val1o = val2i;
2000 *val2o = val3i;
2001 *val3o = val1i;
2002 break;
2003
2004 case 1 : // 1 <= 2, 2 <= 3, 3 > 1 => 3 2 1
2005 *idx1o = idx3i;
2006 *idx2o = idx2i;
2007 *idx3o = idx1i;
2008 *val1o = val3i;
2009 *val2o = val2i;
2010 *val3o = val1i;
2011 break;
2012
2013 case 5 : // 1 > 2, 2 <= 3, 3 > 1 => 3 1 2
2014 *idx1o = idx3i;
2015 *idx2o = idx1i;
2016 *idx3o = idx2i;
2017 *val1o = val3i;
2018 *val2o = val1i;
2019 *val3o = val2i;
2020 break;
2021
2022 default: // the rest should NEVER happen!
40bd6ee4 2023 AliError("ERROR in Sort3!!!\n");
b0a41e80 2024 break;
2025 }
b0a41e80 2026}
dfd03fc3 2027
982869bc 2028void AliTRDmcmSim::Sort6To4(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, UShort_t idx4i, UShort_t idx5i, UShort_t idx6i, \
2029 UShort_t val1i, UShort_t val2i, UShort_t val3i, UShort_t val4i, UShort_t val5i, UShort_t val6i, \
6b094867 2030 UShort_t * const idx1o, UShort_t * const idx2o, UShort_t * const idx3o, UShort_t * const idx4o, \
2031 UShort_t * const val1o, UShort_t * const val2o, UShort_t * const val3o, UShort_t * const val4o)
b0a41e80 2032{
ab9f7002 2033 // sorting for tracklet selection
dfd03fc3 2034
982869bc 2035 UShort_t idx21s, idx22s, idx23s, dummy;
2036 UShort_t val21s, val22s, val23s;
2037 UShort_t idx23as, idx23bs;
2038 UShort_t val23as, val23bs;
dfd03fc3 2039
b0a41e80 2040 Sort3(idx1i, idx2i, idx3i, val1i, val2i, val3i,
2041 idx1o, &idx21s, &idx23as,
2042 val1o, &val21s, &val23as);
dfd03fc3 2043
b0a41e80 2044 Sort3(idx4i, idx5i, idx6i, val4i, val5i, val6i,
2045 idx2o, &idx22s, &idx23bs,
2046 val2o, &val22s, &val23bs);
2047
2048 Sort2(idx23as, idx23bs, val23as, val23bs, &idx23s, &dummy, &val23s, &dummy);
2049
2050 Sort3(idx21s, idx22s, idx23s, val21s, val22s, val23s,
2051 idx3o, idx4o, &dummy,
2052 val3o, val4o, &dummy);
dfd03fc3 2053
dfd03fc3 2054}
2055
982869bc 2056void AliTRDmcmSim::Sort6To2Worst(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, UShort_t idx4i, UShort_t idx5i, UShort_t idx6i, \
2057 UShort_t val1i, UShort_t val2i, UShort_t val3i, UShort_t val4i, UShort_t val5i, UShort_t val6i, \
6b094867 2058 UShort_t * const idx5o, UShort_t * const idx6o)
b0a41e80 2059{
ab9f7002 2060 // sorting for tracklet selection
1d93b218 2061
982869bc 2062 UShort_t idx21s, idx22s, idx23s, dummy1, dummy2, dummy3, dummy4, dummy5;
2063 UShort_t val21s, val22s, val23s;
2064 UShort_t idx23as, idx23bs;
2065 UShort_t val23as, val23bs;
1d93b218 2066
b0a41e80 2067 Sort3(idx1i, idx2i, idx3i, val1i, val2i, val3i,
2068 &dummy1, &idx21s, &idx23as,
2069 &dummy2, &val21s, &val23as);
1d93b218 2070
b0a41e80 2071 Sort3(idx4i, idx5i, idx6i, val4i, val5i, val6i,
2072 &dummy1, &idx22s, &idx23bs,
2073 &dummy2, &val22s, &val23bs);
1d93b218 2074
b0a41e80 2075 Sort2(idx23as, idx23bs, val23as, val23bs, &idx23s, idx5o, &val23s, &dummy1);
b65e5048 2076
b0a41e80 2077 Sort3(idx21s, idx22s, idx23s, val21s, val22s, val23s,
2078 &dummy1, &dummy2, idx6o,
2079 &dummy3, &dummy4, &dummy5);
0d64b05f 2080}
f793c83d 2081
2082
ce4786b9 2083// ----- I/O implementation -----
2084
59f78ad5 2085ostream& AliTRDmcmSim::Text(ostream& os)
ce4786b9 2086{
2087 // manipulator to activate output in text format (default)
2088
2089 os.iword(fgkFormatIndex) = 0;
2090 return os;
2091}
2092
59f78ad5 2093ostream& AliTRDmcmSim::Cfdat(ostream& os)
ce4786b9 2094{
2095 // manipulator to activate output in CFDAT format
2096 // to send to the FEE via SCSN
2097
2098 os.iword(fgkFormatIndex) = 1;
2099 return os;
2100}
2101
59f78ad5 2102ostream& AliTRDmcmSim::Raw(ostream& os)
ce4786b9 2103{
2104 // manipulator to activate output as raw data dump
2105
2106 os.iword(fgkFormatIndex) = 2;
2107 return os;
2108}
2109
2110ostream& operator<<(ostream& os, const AliTRDmcmSim& mcm)
2111{
2112 // output implementation
2113
2114 // no output for non-initialized MCM
2115 if (!mcm.CheckInitialized())
2116 return os;
2117
2118 // ----- human-readable output -----
2119 if (os.iword(AliTRDmcmSim::fgkFormatIndex) == 0) {
2120
2121 os << "MCM " << mcm.fMcmPos << " on ROB " << mcm.fRobPos <<
2122 " in detector " << mcm.fDetector << std::endl;
2123
2124 os << "----- Unfiltered ADC data (10 bit) -----" << std::endl;
2125 os << "ch ";
2126 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++)
2127 os << std::setw(5) << iChannel;
2128 os << std::endl;
2129 for (Int_t iTimeBin = 0; iTimeBin < mcm.fNTimeBin; iTimeBin++) {
2130 os << "tb " << std::setw(2) << iTimeBin << ":";
2131 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++) {
2132 os << std::setw(5) << (mcm.fADCR[iChannel][iTimeBin] >> mcm.fgkAddDigits);
2133 }
2134 os << std::endl;
2135 }
2136
2137 os << "----- Filtered ADC data (10+2 bit) -----" << std::endl;
2138 os << "ch ";
2139 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++)
2140 os << std::setw(4) << iChannel
2141 << ((~mcm.fZSMap[iChannel] != 0) ? "!" : " ");
2142 os << std::endl;
2143 for (Int_t iTimeBin = 0; iTimeBin < mcm.fNTimeBin; iTimeBin++) {
2144 os << "tb " << std::setw(2) << iTimeBin << ":";
2145 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++) {
2146 os << std::setw(4) << (mcm.fADCF[iChannel][iTimeBin])
2147 << (((mcm.fZSMap[iChannel] & (1 << iTimeBin)) == 0) ? "!" : " ");
2148 }
2149 os << std::endl;
2150 }
2151 }
2152
2153 // ----- CFDAT output -----
2154 else if(os.iword(AliTRDmcmSim::fgkFormatIndex) == 1) {
2155 Int_t dest = 127;
2156 Int_t addrOffset = 0x2000;
2157 Int_t addrStep = 0x80;
2158
2159 for (Int_t iTimeBin = 0; iTimeBin < mcm.fNTimeBin; iTimeBin++) {
2160 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++) {
2161 os << std::setw(5) << 10
2162 << std::setw(5) << addrOffset + iChannel * addrStep + iTimeBin
2163 << std::setw(5) << (mcm.fADCF[iChannel][iTimeBin])
2164 << std::setw(5) << dest << std::endl;
2165 }
2166 os << std::endl;
2167 }
2168 }
2169
2170 // ----- raw data ouptut -----
2171 else if (os.iword(AliTRDmcmSim::fgkFormatIndex) == 2) {
2172 Int_t bufSize = 300;
2173 UInt_t *buf = new UInt_t[bufSize];
2174
2175 Int_t bufLength = mcm.ProduceRawStream(&buf[0], bufSize);
2176
2177 for (Int_t i = 0; i < bufLength; i++)
2178 std::cout << "0x" << std::hex << buf[i] << std::endl;
2179
2180 delete [] buf;
2181 }
2182
2183 else {
2184 os << "unknown format set" << std::endl;
2185 }
2186
2187 return os;
2188}
8ea391e3 2189
2190
2191void AliTRDmcmSim::PrintFitRegXml(ostream& os) const
2192{
6b094867 2193 // print fit registres in XML format
2194
8ea391e3 2195 bool tracklet=false;
2196
2197 for (Int_t cpu = 0; cpu < 4; cpu++) {
2198 if(fFitPtr[cpu] != 31)
2199 tracklet=true;
2200 }
2201
2202 if(tracklet==true) {
2203 os << "<nginject>" << std::endl;
2204 os << "<ack roc=\""<< fDetector << "\" cmndid=\"0\">" << std::endl;
2205 os << "<dmem-readout>" << std::endl;
2206 os << "<d det=\"" << fDetector << "\">" << std::endl;
2207 os << " <ro-board rob=\"" << fRobPos << "\">" << std::endl;
2208 os << " <m mcm=\"" << fMcmPos << "\">" << std::endl;
2209
2210 for(int cpu=0; cpu<4; cpu++) {
2211 os << " <c cpu=\"" << cpu << "\">" << std::endl;
2212 if(fFitPtr[cpu] != 31) {
2213 for(int adcch=fFitPtr[cpu]; adcch<fFitPtr[cpu]+2; adcch++) {
5ac2e3b1 2214 os << " <ch chnr=\"" << adcch << "\">"<< std::endl;
8ea391e3 2215 os << " <hits>" << fFitReg[adcch].fNhits << "</hits>"<< std::endl;
2216 os << " <q0>" << fFitReg[adcch].fQ0/4 << "</q0>"<< std::endl; // divided by 4 because in simulation we have 2 additional decimal places
2217 os << " <q1>" << fFitReg[adcch].fQ1/4 << "</q1>"<< std::endl; // in the output
2218 os << " <sumx>" << fFitReg[adcch].fSumX << "</sumx>"<< std::endl;
2219 os << " <sumxsq>" << fFitReg[adcch].fSumX2 << "</sumxsq>"<< std::endl;
2220 os << " <sumy>" << fFitReg[adcch].fSumY << "</sumy>"<< std::endl;
2221 os << " <sumysq>" << fFitReg[adcch].fSumY2 << "</sumysq>"<< std::endl;
2222 os << " <sumxy>" << fFitReg[adcch].fSumXY << "</sumxy>"<< std::endl;
2223 os << " </ch>" << std::endl;
2224 }
2225 }
2226 os << " </c>" << std::endl;
2227 }
2228 os << " </m>" << std::endl;
2229 os << " </ro-board>" << std::endl;
2230 os << "</d>" << std::endl;
2231 os << "</dmem-readout>" << std::endl;
2232 os << "</ack>" << std::endl;
2233 os << "</nginject>" << std::endl;
2234 }
2235}
2236
2237
2238void AliTRDmcmSim::PrintTrackletsXml(ostream& os) const
2239{
6b094867 2240 // print tracklets in XML format
2241
8ea391e3 2242 os << "<nginject>" << std::endl;
2243 os << "<ack roc=\""<< fDetector << "\" cmndid=\"0\">" << std::endl;
2244 os << "<dmem-readout>" << std::endl;
2245 os << "<d det=\"" << fDetector << "\">" << std::endl;
2246 os << " <ro-board rob=\"" << fRobPos << "\">" << std::endl;
2247 os << " <m mcm=\"" << fMcmPos << "\">" << std::endl;
2248
2249 Int_t pid, padrow, slope, offset;
2250 for(Int_t cpu=0; cpu<4; cpu++) {
2251 if(fMCMT[cpu] == 0x10001000) {
2252 pid=-1;
2253 padrow=-1;
2254 slope=-1;
2255 offset=-1;
2256 }
2257 else {
2258 pid = (fMCMT[cpu] & 0xFF000000) >> 24;
2259 padrow = (fMCMT[cpu] & 0xF00000 ) >> 20;
2260 slope = (fMCMT[cpu] & 0xFE000 ) >> 13;
2261 offset = (fMCMT[cpu] & 0x1FFF ) ;
2262
2263 }
2264 os << " <trk> <pid>" << pid << "</pid>" << " <padrow>" << padrow << "</padrow>"
5ac2e3b1 2265 << " <slope>" << slope << "</slope>" << " <offset>" << offset << "</offset>" << "</trk>" << std::endl;
8ea391e3 2266 }
2267
2268 os << " </m>" << std::endl;
2269 os << " </ro-board>" << std::endl;
2270 os << "</d>" << std::endl;
2271 os << "</dmem-readout>" << std::endl;
2272 os << "</ack>" << std::endl;
2273 os << "</nginject>" << std::endl;
2274}
2275
2276
2277void AliTRDmcmSim::PrintAdcDatHuman(ostream& os) const
2278{
6b094867 2279 // print ADC data in human-readable format
2280
8ea391e3 2281 os << "MCM " << fMcmPos << " on ROB " << fRobPos <<
2282 " in detector " << fDetector << std::endl;
2283
2284 os << "----- Unfiltered ADC data (10 bit) -----" << std::endl;
2285 os << "ch ";
2286 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++)
2287 os << std::setw(5) << iChannel;
2288 os << std::endl;
2289 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2290 os << "tb " << std::setw(2) << iTimeBin << ":";
2291 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2292 os << std::setw(5) << (fADCR[iChannel][iTimeBin] >> fgkAddDigits);
2293 }
2294 os << std::endl;
2295 }
2296
2297 os << "----- Filtered ADC data (10+2 bit) -----" << std::endl;
2298 os << "ch ";
2299 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++)
2300 os << std::setw(4) << iChannel
2301 << ((~fZSMap[iChannel] != 0) ? "!" : " ");
2302 os << std::endl;
2303 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2304 os << "tb " << std::setw(2) << iTimeBin << ":";
2305 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2306 os << std::setw(4) << (fADCF[iChannel][iTimeBin])
2307 << (((fZSMap[iChannel] & (1 << iTimeBin)) == 0) ? "!" : " ");
2308 }
2309 os << std::endl;
2310 }
2311}
2312
2313
2314void AliTRDmcmSim::PrintAdcDatXml(ostream& os) const
2315{
6b094867 2316 // print ADC data in XML format
2317
8ea391e3 2318 os << "<nginject>" << std::endl;
2319 os << "<ack roc=\""<< fDetector << "\" cmndid=\"0\">" << std::endl;
2320 os << "<dmem-readout>" << std::endl;
2321 os << "<d det=\"" << fDetector << "\">" << std::endl;
2322 os << " <ro-board rob=\"" << fRobPos << "\">" << std::endl;
2323 os << " <m mcm=\"" << fMcmPos << "\">" << std::endl;
2324
2325 for(Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2326 os << " <ch chnr=\"" << iChannel << "\">" << std::endl;
2327 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2328 os << "<tb>" << fADCF[iChannel][iTimeBin]/4 << "</tb>";
2329 }
2330 os << " </ch>" << std::endl;
2331 }
2332
2333 os << " </m>" << std::endl;
2334 os << " </ro-board>" << std::endl;
2335 os << "</d>" << std::endl;
2336 os << "</dmem-readout>" << std::endl;
2337 os << "</ack>" << std::endl;
2338 os << "</nginject>" << std::endl;
2339}
2340
2341
2342
2343void AliTRDmcmSim::PrintAdcDatDatx(ostream& os, Bool_t broadcast) const
2344{
6b094867 2345 // print ADC data in datx format (to send to FEE)
2346
8ea391e3 2347 fTrapConfig->PrintDatx(os, 2602, 1, 0, 127); // command to enable the ADC clock - necessary to write ADC values to MCM
2348 os << std::endl;
2349
2350 Int_t addrOffset = 0x2000;
2351 Int_t addrStep = 0x80;
2352 Int_t addrOffsetEBSIA = 0x20;
2353
2354 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2355 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2356 if(broadcast==kFALSE)
2357 fTrapConfig->PrintDatx(os, addrOffset+iChannel*addrStep+addrOffsetEBSIA+iTimeBin, (fADCF[iChannel][iTimeBin]/4), GetRobPos(), GetMcmPos());
2358 else
2359 fTrapConfig->PrintDatx(os, addrOffset+iChannel*addrStep+addrOffsetEBSIA+iTimeBin, (fADCF[iChannel][iTimeBin]/4), 0, 127);
2360 }
2361 os << std::endl;
2362 }
2363}
2364
2365
2366void AliTRDmcmSim::PrintPidLutHuman()
2367{
6b094867 2368 // print PID LUT in human readable format
2369
8ea391e3 2370 UInt_t result;
2371
2372 UInt_t addrEnd = AliTRDtrapConfig::fgkDmemAddrLUTStart + fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength)/4; // /4 because each addr contains 4 values
2373 UInt_t nBinsQ0 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTnbins);
2374
2375 std::cout << "nBinsQ0: " << nBinsQ0 << std::endl;
5ac2e3b1 2376 std::cout << "LUT table length: " << fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength) << std::endl;
8ea391e3 2377
2378 for(UInt_t addr=AliTRDtrapConfig::fgkDmemAddrLUTStart; addr< addrEnd; addr++) {
2379 result = fTrapConfig->GetDmemUnsigned(addr);
5ac2e3b1 2380 std::cout << addr << " # x: " << ((addr-AliTRDtrapConfig::fgkDmemAddrLUTStart)%((nBinsQ0)/4))*4 << ", y: " <<(addr-AliTRDtrapConfig::fgkDmemAddrLUTStart)/(nBinsQ0/4)
2381 << " # " <<((result>>0)&0xFF)
2382 << " | " << ((result>>8)&0xFF)
2383 << " | " << ((result>>16)&0xFF)
2384 << " | " << ((result>>24)&0xFF) << std::endl;
8ea391e3 2385 }
2386}