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 raw data conversion class //
22 ///////////////////////////////////////////////////////////////////////////////
28 #include "AliRawDataHeaderSim.h"
29 #include "AliRawReader.h"
31 #include "AliFstream.h"
33 #include "AliTRDrawData.h"
34 #include "AliTRDdigitsManager.h"
35 #include "AliTRDgeometry.h"
36 #include "AliTRDdataArrayI.h"
37 #include "AliTRDdataArrayS.h"
38 #include "AliTRDRawStream.h"
39 #include "AliTRDRawStreamV2.h"
40 #include "AliTRDcalibDB.h"
41 #include "AliTRDSignalIndex.h"
42 #include "AliTRDfeeParam.h"
43 #include "AliTRDmcmSim.h"
45 ClassImp(AliTRDrawData)
47 //_____________________________________________________________________________
48 AliTRDrawData::AliTRDrawData()
55 // Default constructor
58 fFee = AliTRDfeeParam::Instance();
59 fNumberOfDDLs = AliDAQ::NumberOfDdls("TRD");
63 //_____________________________________________________________________________
64 AliTRDrawData::AliTRDrawData(const AliTRDrawData &r)
74 fFee = AliTRDfeeParam::Instance();
75 fNumberOfDDLs = AliDAQ::NumberOfDdls("TRD");
79 //_____________________________________________________________________________
80 AliTRDrawData::~AliTRDrawData()
88 //_____________________________________________________________________________
89 Bool_t AliTRDrawData::Digits2Raw(TTree *digitsTree, TTree *tracks )
92 // Initialize necessary parameters and call one
93 // of the raw data simulator selected by SetRawVersion.
95 // Currently tracklet output is not spported yet and it
96 // will be supported in higher version simulator.
99 AliTRDdigitsManager* digitsManager = new AliTRDdigitsManager();
101 if (!digitsManager->ReadDigits(digitsTree)) {
102 delete digitsManager;
106 if (tracks != NULL) {
107 delete digitsManager;
108 AliError("Tracklet input is not supported yet.");
112 fGeo = new AliTRDgeometry();
114 if (!AliTRDcalibDB::Instance()) {
115 AliError("Could not get calibration object");
117 delete digitsManager;
121 Int_t retval = kTRUE;
122 Int_t rv = fFee->GetRAWversion();
124 // Call appropriate Raw Simulator
125 if ( rv > 0 && rv <= 3 ) retval = Digits2Raw(digitsManager);
128 AliWarning(Form("Unsupported raw version (%d).", rv));
133 delete digitsManager;
139 //_____________________________________________________________________________
140 Bool_t AliTRDrawData::Digits2Raw(AliTRDdigitsManager *digitsManager)
143 // Raw data simulator for all versions > 0. This is prepared for real data.
144 // This version simulate only raw data with ADC data and not with tracklet.
147 const Int_t kMaxHcWords = (fGeo->TBmax()/3)
153 // Buffer to temporary store half chamber data
154 UInt_t *hcBuffer = new UInt_t[kMaxHcWords];
156 // sect is same as iDDL, so I use only sect here.
157 for (Int_t sect = 0; sect < fGeo->Nsect(); sect++) {
160 sprintf(name,"TRD_%d.ddl",sect + AliTRDRawStream::kDDLOffset);
162 AliFstream* of = new AliFstream(name);
164 // Write a dummy data header
165 AliRawDataHeaderSim header; // the event header
166 UInt_t hpos = of->Tellp();
167 of->WriteBuffer((char *) (& header), sizeof(header));
169 // Reset payload byte size (payload does not include header).
170 Int_t npayloadbyte = 0;
172 // GTU common data header (5x4 bytes per super module, shows link mask)
173 for( Int_t cham = 0; cham < fGeo->Ncham(); cham++ ) {
174 UInt_t gtuCdh = (UInt_t)(0xe << 28);
175 for( Int_t plan = 0; plan < fGeo->Nplan(); plan++) {
176 Int_t iDet = fGeo->GetDetector(plan, cham, sect);
177 // If chamber status is ok, we assume that the optical link is also OK.
178 // This is shown in the GTU link mask.
179 if ( AliTRDcalibDB::Instance()->GetChamberStatus(iDet) )
180 gtuCdh = gtuCdh | (3 << (2*plan));
182 of->WriteBuffer((char *) (& gtuCdh), sizeof(gtuCdh));
186 // Prepare chamber data
187 for( Int_t cham = 0; cham < fGeo->Ncham(); cham++) {
188 for( Int_t plan = 0; plan < fGeo->Nplan(); plan++) {
190 Int_t iDet = fGeo->GetDetector(plan,cham,sect);
192 // Get the digits array
193 AliTRDdataArrayS *digits = (AliTRDdataArrayS *) digitsManager->GetDigits(iDet);
197 Int_t rv = fFee->GetRAWversion();
199 // Process A side of the chamber
200 if ( rv >= 1 && rv <= 2 ) hcwords = ProduceHcDataV1andV2(digits,0,iDet,hcBuffer,kMaxHcWords);
201 if ( rv == 3 ) hcwords = ProduceHcDataV3 (digits,0,iDet,hcBuffer,kMaxHcWords);
203 of->WriteBuffer((char *) hcBuffer, hcwords*4);
204 npayloadbyte += hcwords*4;
206 // Process B side of the chamber
207 if ( rv >= 1 && rv <= 2 ) hcwords = ProduceHcDataV1andV2(digits,1,iDet,hcBuffer,kMaxHcWords);
208 if ( rv >= 3 ) hcwords = ProduceHcDataV3 (digits,1,iDet,hcBuffer,kMaxHcWords);
210 of->WriteBuffer((char *) hcBuffer, hcwords*4);
211 npayloadbyte += hcwords*4;
216 header.fSize = UInt_t(of->Tellp()) - hpos;
217 header.SetAttribute(0); // Valid data
218 of->Seekp(hpos); // Rewind to header position
219 of->WriteBuffer((char *) (& header), sizeof(header));
229 //_____________________________________________________________________________
230 Int_t AliTRDrawData::ProduceHcDataV1andV2(AliTRDdataArrayS *digits, Int_t side
231 , Int_t det, UInt_t *buf, Int_t maxSize)
234 // This function simulates: 1) SM-I commissiong data Oct. 06 (Raw Version == 1).
235 // 2) Full Raw Production Version (Raw Version == 2)
237 // Produce half chamber data (= an ORI data) for the given chamber (det) and side (side)
240 // side=0 means A side with ROB positions 0, 2, 4, 6.
241 // side=1 means B side with ROB positions 1, 3, 5, 7.
243 // Chamber type (C0 orC1) is determined by "det" automatically.
244 // Appropriate size of buffer (*buf) must be prepared prior to calling this function.
245 // Pointer to the buffer and its size must be given to "buf" and "maxSize".
246 // Return value is the number of valid data filled in the buffer in unit of 32 bits
248 // If buffer size if too small, the data is truncated with the buffer size however
249 // the function will finish without crash (this behaviour is similar to the MCM).
252 Int_t nw = 0; // Number of written words
253 Int_t of = 0; // Number of overflowed words
254 Int_t plan = fGeo->GetPlane( det ); // Plane
255 Int_t cham = fGeo->GetChamber( det ); // Chamber
256 Int_t sect = fGeo->GetSector( det ); // Sector (=iDDL)
257 Int_t nRow = fGeo->GetRowMax( plan, cham, sect );
258 Int_t nCol = fGeo->GetColMax( plan );
259 const Int_t kNTBin = AliTRDcalibDB::Instance()->GetNumberOfTimeBins();
260 Int_t kCtype = 0; // Chamber type (0:C0, 1:C1)
261 Int_t iEv = 0xA; // Event ID. Now fixed to 10, how do I get event id?
262 UInt_t x = 0; // General used number
263 Int_t rv = fFee->GetRAWversion();
265 // Check the nCol and nRow.
267 (nRow == 16 || nRow == 12)) {
268 kCtype = (nRow-12) / 4;
271 AliError(Form("This type of chamber is not supported (nRow=%d, nCol=%d)."
276 AliDebug(1,Form("Producing raw data for sect=%d plan=%d cham=%d side=%d"
277 ,sect,plan,cham,side));
279 // Tracklet should be processed here but not implemented yet
281 // Write end of tracklet marker
283 buf[nw++] = kEndoftrackletmarker;
289 // Half Chamber header
291 // Now it is the same version as used in SM-I commissioning.
292 Int_t dcs = det+100; // DCS Serial (in simulation, it is meaningless
293 x = (dcs<<20) | (sect<<15) | (plan<<12) | (cham<<9) | (side<<8) | 1;
301 else if ( rv == 2 ) {
302 // h[0] (there are 3 HC header)
303 Int_t minorv = 0; // The minor version number
304 Int_t add = 2; // The number of additional header words to follow
305 x = (1<<31) | (rv<<24) | (minorv<<17) | (add<<14) | (sect<<9) | (plan<<6) | (cham<<3) | (side<<2) | 1;
313 Int_t bcCtr = 99; // bunch crossing counter. Here it is set to 99 always for no reason
314 Int_t ptCtr = 15; // pretrigger counter. Here it is set to 15 always for no reason
315 Int_t ptPhase = 11; // pretrigger phase. Here it is set to 11 always for no reason
316 x = (bcCtr<<16) | (ptCtr<<12) | (ptPhase<<8) | ((kNTBin-1)<<2) | 1;
324 Int_t pedSetup = 1; // Pedestal filter setup (0:1). Here it is always 1 for no reason
325 Int_t gainSetup = 1; // Gain filter setup (0:1). Here it is always 1 for no reason
326 Int_t tailSetup = 1; // Tail filter setup (0:1). Here it is always 1 for no reason
327 Int_t xtSetup = 0; // Cross talk filter setup (0:1). Here it is always 0 for no reason
328 Int_t nonlinSetup = 0; // Nonlinearity filter setup (0:1). Here it is always 0 for no reason
329 Int_t bypassSetup = 0; // Filter bypass (for raw data) setup (0:1). Here it is always 0 for no reason
330 Int_t commonAdditive = 10; // Digital filter common additive (0:63). Here it is always 10 for no reason
331 x = (pedSetup<<31) | (gainSetup<<30) | (tailSetup<<29) | (xtSetup<<28) | (nonlinSetup<<27)
332 | (bypassSetup<<26) | (commonAdditive<<20) | 1;
341 // Scan for ROB and MCM
342 for (Int_t iRobRow = 0; iRobRow < (kCtype + 3); iRobRow++ ) {
343 Int_t iRob = iRobRow * 2 + side;
344 for (Int_t iMcm = 0; iMcm < fGeo->MCMmax(); iMcm++ ) {
345 Int_t padrow = iRobRow * 4 + iMcm / 4;
348 x = ((iRob * fGeo->MCMmax() + iMcm) << 24) | ((iEv % 0x100000) << 4) | 0xC;
357 for (Int_t iAdc = 0; iAdc < 21; iAdc++ ) {
358 Int_t padcol = fFee->GetPadColFromADC(iRob, iMcm, iAdc);
359 UInt_t aa = !(iAdc & 1) + 2;
360 UInt_t *a = new UInt_t[kNTBin+2];
361 // 3 timebins are packed into one 32 bits word
362 for (Int_t iT = 0; iT < kNTBin; iT+=3) {
363 if ((padcol >= 0) && (padcol < nCol)) {
364 a[iT ] = ((iT ) < kNTBin ) ? digits->GetDataUnchecked(padrow,padcol,iT ) : 0;
365 a[iT+1] = ((iT + 1) < kNTBin ) ? digits->GetDataUnchecked(padrow,padcol,iT + 1) : 0;
366 a[iT+2] = ((iT + 2) < kNTBin ) ? digits->GetDataUnchecked(padrow,padcol,iT + 2) : 0;
369 a[iT] = a[iT+1] = a[iT+2] = 0; // This happenes at the edge of chamber (should be pedestal! How?)
371 x = (a[iT+2] << 22) | (a[iT+1] << 12) | (a[iT] << 2) | aa;
382 for (Int_t iT = 0; iT < kNTBin; iT++) {
383 avg += (Float_t) (a[iT]);
385 avg /= (Float_t) kNTBin;
386 for (Int_t iT = 0; iT < kNTBin; iT++) {
387 rms += ((Float_t) (a[iT]) - avg) * ((Float_t) (a[iT]) - avg);
389 rms = TMath::Sqrt(rms / (Float_t) kNTBin);
391 AliDebug(2,Form("Large RMS (>1.7) (ROB,MCM,ADC)=(%02d,%02d,%02d), avg=%03.1f, rms=%03.1f"
392 ,iRob,iMcm,iAdc,avg,rms));
399 // Write end of raw data marker
401 buf[nw++] = kEndofrawdatamarker;
407 AliWarning("Buffer overflow. Data is truncated. Please increase buffer size and recompile.");
414 //_____________________________________________________________________________
415 Int_t AliTRDrawData::ProduceHcDataV3(AliTRDdataArrayS *digits, Int_t side
416 , Int_t det, UInt_t *buf, Int_t maxSize)
419 // This function simulates: Raw Version == 3 (Zero Suppression Prototype)
422 Int_t nw = 0; // Number of written words
423 Int_t of = 0; // Number of overflowed words
424 Int_t plan = fGeo->GetPlane( det ); // Plane
425 Int_t cham = fGeo->GetChamber( det ); // Chamber
426 Int_t sect = fGeo->GetSector( det ); // Sector (=iDDL)
427 Int_t nRow = fGeo->GetRowMax( plan, cham, sect );
428 Int_t nCol = fGeo->GetColMax( plan );
429 const Int_t kNTBin = AliTRDcalibDB::Instance()->GetNumberOfTimeBins();
430 Int_t kCtype = 0; // Chamber type (0:C0, 1:C1)
431 //Int_t iEv = 0xA; // Event ID. Now fixed to 10, how do I get event id?
432 UInt_t x = 0; // General used number
433 Int_t rv = fFee->GetRAWversion();
435 // Check the nCol and nRow.
437 (nRow == 16 || nRow == 12)) {
438 kCtype = (nRow-12) / 4;
441 AliError(Form("This type of chamber is not supported (nRow=%d, nCol=%d)."
446 AliDebug(1,Form("Producing raw data for sect=%d plan=%d cham=%d side=%d"
447 ,sect,plan,cham,side));
449 // Tracklet should be processed here but not implemented yet
451 // Write end of tracklet marker
453 buf[nw++] = kEndoftrackletmarker;
459 // Half Chamber header
460 // h[0] (there are 3 HC header)
461 Int_t minorv = 0; // The minor version number
462 Int_t add = 2; // The number of additional header words to follow
463 x = (1<<31) | (rv<<24) | (minorv<<17) | (add<<14) | (sect<<9) | (plan<<6) | (cham<<3) | (side<<2) | 1;
471 Int_t bcCtr = 99; // bunch crossing counter. Here it is set to 99 always for no reason
472 Int_t ptCtr = 15; // pretrigger counter. Here it is set to 15 always for no reason
473 Int_t ptPhase = 11; // pretrigger phase. Here it is set to 11 always for no reason
474 x = (bcCtr<<16) | (ptCtr<<12) | (ptPhase<<8) | ((kNTBin-1)<<2) | 1;
482 Int_t pedSetup = 1; // Pedestal filter setup (0:1). Here it is always 1 for no reason
483 Int_t gainSetup = 1; // Gain filter setup (0:1). Here it is always 1 for no reason
484 Int_t tailSetup = 1; // Tail filter setup (0:1). Here it is always 1 for no reason
485 Int_t xtSetup = 0; // Cross talk filter setup (0:1). Here it is always 0 for no reason
486 Int_t nonlinSetup = 0; // Nonlinearity filter setup (0:1). Here it is always 0 for no reason
487 Int_t bypassSetup = 0; // Filter bypass (for raw data) setup (0:1). Here it is always 0 for no reason
488 Int_t commonAdditive = 10; // Digital filter common additive (0:63). Here it is always 10 for no reason
489 x = (pedSetup<<31) | (gainSetup<<30) | (tailSetup<<29) | (xtSetup<<28) | (nonlinSetup<<27)
490 | (bypassSetup<<26) | (commonAdditive<<20) | 1;
498 // Scan for ROB and MCM
499 for (Int_t iRobRow = 0; iRobRow < (kCtype + 3); iRobRow++ ) {
500 Int_t iRob = iRobRow * 2 + side;
501 for (Int_t iMcm = 0; iMcm < fGeo->MCMmax(); iMcm++ ) {
503 AliTRDmcmSim *mcm = new AliTRDmcmSim();
504 mcm->Init( det, iRob, iMcm );
505 Int_t padrow = mcm->GetRow();
507 // Copy ADC data to MCM simulator
508 for (Int_t iAdc = 0; iAdc < 21; iAdc++ ) {
509 Int_t padcol = mcm->GetCol( iAdc );
510 if ((padcol >= 0) && (padcol < nCol)) {
511 for (Int_t iT = 0; iT < kNTBin; iT++) {
512 mcm->SetData( iAdc, iT, digits->GetDataUnchecked( padrow, padcol, iT) );
514 } else { // this means it is out of chamber, and masked ADC
515 mcm->SetDataPedestal( iAdc );
518 // Simulate process in MCM
519 mcm->Filter(); // Apply filter
520 mcm->ZSMapping(); // Calculate zero suppression mapping
521 //mcm->DumpData( "trdmcmdata.txt", "RFZS" ); // debugging purpose
523 // Write MCM data to buffer
524 Int_t tempNw = mcm->ProduceRawStream( &buf[nw], maxSize - nw );
528 AliError(Form("Buffer overflow detected. Please increase the buffer size and recompile."));
538 // Write end of raw data marker
540 buf[nw++] = kEndofrawdatamarker;
546 AliError("Buffer overflow. Data is truncated. Please increase buffer size and recompile.");
553 //_____________________________________________________________________________
554 AliTRDdigitsManager *AliTRDrawData::Raw2Digits(AliRawReader *rawReader)
557 // Vx of the raw data reading
560 AliTRDdataArrayS *digits = 0;
561 AliTRDdataArrayI *track0 = 0;
562 AliTRDdataArrayI *track1 = 0;
563 AliTRDdataArrayI *track2 = 0;
565 AliTRDSignalIndex *indexes = 0;
566 // Create the digits manager
567 AliTRDdigitsManager* digitsManager = new AliTRDdigitsManager();
568 digitsManager->CreateArrays();
570 //AliTRDRawStream input(rawReader);
571 AliTRDRawStreamV2 input(rawReader);
572 input.SetRawVersion( fFee->GetRAWversion() );
575 AliInfo(Form("Stream version: %s", input.IsA()->GetName()));
577 // Loop through the digits
581 while (input.Next()) {
583 det = input.GetDet();
585 if (det != lastdet) { // If new detector found
589 if (digits) digits->Compress(1,0);
590 if (track0) track0->Compress(1,0);
591 if (track1) track1->Compress(1,0);
592 if (track2) track2->Compress(1,0);
594 // Add a container for the digits of this detector
595 digits = (AliTRDdataArrayS *) digitsManager->GetDigits(det);
596 track0 = (AliTRDdataArrayI *) digitsManager->GetDictionary(det,0);
597 track1 = (AliTRDdataArrayI *) digitsManager->GetDictionary(det,1);
598 track2 = (AliTRDdataArrayI *) digitsManager->GetDictionary(det,2);
600 // Allocate memory space for the digits buffer
601 if (digits->GetNtime() == 0)
603 digits->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins());
604 track0->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins());
605 track1->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins());
606 track2->Allocate(input.GetMaxRow(),input.GetMaxCol(), input.GetNumberOfTimeBins());
609 indexes = digitsManager->GetIndexes(det);
610 indexes->SetSM(input.GetSM());
611 indexes->SetStack(input.GetStack());
612 indexes->SetLayer(input.GetLayer());
613 indexes->SetDetNumber(det);
614 if (indexes->IsAllocated() == kFALSE)
615 indexes->Allocate(input.GetMaxRow(), input.GetMaxCol(), input.GetNumberOfTimeBins());
618 // 3 timebin data are stored per word
619 for (it = 0; it < 3; it++)
621 if ( input.GetTimeBin() + it < input.GetNumberOfTimeBins() )
623 if (input.GetSignals()[it] > 0)
625 digits->SetDataUnchecked(input.GetRow(), input.GetCol(),
626 input.GetTimeBin() + it, input.GetSignals()[it]);
628 indexes->AddIndexTBin(input.GetRow(), input.GetCol(),
629 input.GetTimeBin() + it);
630 track0->SetDataUnchecked(input.GetRow(), input.GetCol(),
631 input.GetTimeBin() + it, 0);
632 track1->SetDataUnchecked(input.GetRow(), input.GetCol(),
633 input.GetTimeBin() + it, 0);
634 track2->SetDataUnchecked(input.GetRow(), input.GetCol(),
635 input.GetTimeBin() + it, 0);
641 if (digits) digits->Compress(1,0);
642 if (track0) track0->Compress(1,0);
643 if (track1) track1->Compress(1,0);
644 if (track2) track2->Compress(1,0);
646 return digitsManager;