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 // T0 raw data conversion class //
22 ///////////////////////////////////////////////////////////////////////////////
24 #include <Riostream.h>
28 #include "AliT0RawData.h"
29 #include "AliT0digit.h"
30 #include "AliBitPacking.h"
31 #include "AliRawDataHeader.h"
32 #include "AliRawDataHeaderSim.h"
33 #include "AliBitPacking.h"
34 #include "AliFstream.h"
35 #include "AliRunLoader.h"
37 ClassImp(AliT0RawData)
39 //_____________________________________________________________________________
40 AliT0RawData::AliT0RawData():TObject()
43 - 48 channels (2 words each as in TOF DDL) for :
44 word 1 :0-5bit number of PMT; word 2: 0-7 error sign, 8-31 TDC
45 and the same but for amplified signal. Now I wrote the same time because
46 CDF are not ready and differences didn't measured yet.
48 - 48 channel for amplitude: very preliminary, QTC features are not
49 known now, preliminary i put as T1 time signal for this PMT in first
50 channel and T1+A in second, where A=Log(Amplitude);
51 and the same for amplified but A=Log(10*Amplitude).
53 - T0-A and T0-C 2 channels
54 - T0A-T0C vertex information
55 - Time Meaner where T0C TOF increase to the T0A TOF distance
56 - 6 multiplicity signals the same way as amplitude and with the same
63 fTimeCFD = new TArrayI(24);
64 fADC1 = new TArrayI(24);
65 fTimeLED = new TArrayI(24);
66 fADC0 = new TArrayI(24);
69 fDRMDataHeaderPos = 0;
70 memset(fBuffer,0,512*sizeof(UInt_t));
72 //open the output file
74 sprintf(fileName,"T0_%d.ddl", 0xd00);
75 fFile = new AliFstream(fileName);
77 AliRunLoader *runloader = AliRunLoader::GetRunLoader();
79 fEventNumber = runloader->GetEventNumber();
83 //_____________________________________________________________________________
84 AliT0RawData::AliT0RawData(const AliT0RawData &r):TObject()
87 // AliT0rawData copy constructor
90 ((AliT0RawData &) r).Copy(*this);
94 //_____________________________________________________________________________
95 AliT0RawData::~AliT0RawData()
110 //_____________________________________________________________________________
111 AliT0RawData &AliT0RawData::operator=(const AliT0RawData &r)
114 // Assignment operator
117 if (this != &r) ((AliT0RawData &) r).Copy(*this);
122 //_____________________________________________________________________________
123 void AliT0RawData::GetDigits(AliT0digit *fDigits)
126 //This method packs the T0 digits in a proper 32 bits structure
128 //read T0 digits and fill TDC and ADC arrays
132 Int_t time, positionOfTRMHeader;
134 // Get the digits array
136 fDigits->GetTime(*fTimeCFD);
137 fDigits->GetADC(*fADC1);
138 fDigits->GetTimeAmp(*fTimeLED);
139 fDigits->GetADCAmp(*fADC0);
140 Int_t meantime = fDigits->MeanTime();
141 Int_t timediff = fDigits->TimeDiff();
142 Int_t mult0=fDigits->SumMult();
143 Int_t mult1=fDigits->SumMult();
144 Int_t timeA = fDigits->BestTimeLeft();
145 Int_t timeC = fDigits->BestTimeRight();
148 TArrayI *allData = new TArrayI(110);
151 for (i=1; i<25; i++) {
152 allData->AddAt(fTimeLED->At(i-1),i);
153 allData->AddAt(fTimeCFD->At(i-1),i+24);
154 allData->AddAt(fADC0->At(i-1),i+54);
155 allData->AddAt(fADC1->At(i-1),i+78);
156 // cout<<i<<" led "<<fTimeLED->At(i-1)<<" cfd "<<fTimeCFD->At(i-1)<<" qt0 "<<fADC0->At(i-1)<<" qt1 "<<fADC1->At(i-1)<<endl;
158 allData->AddAt(meantime,49);
159 allData->AddAt(timediff,50);
160 allData->AddAt(timediff,103); //trigger vertex
161 allData->AddAt(timeA,51);
162 allData->AddAt(timeA,104); //trigger T0A
163 allData->AddAt(timeC,52);
164 allData->AddAt(timeC,105); //trigger T0C
165 allData->AddAt(mult0,53);
166 allData->AddAt(mult1,106); //trigger central
167 allData->AddAt(mult1,54);
168 allData->AddAt(mult1,107); //trigger semi-central
170 // cout<<" new Event "<<endl;
171 // for (Int_t ia=0; ia<110; ia++) cout<<ia<<" "<<allData->At(ia)<<endl;
172 //space for DRM header
175 //space for 1st TRM header
177 positionOfTRMHeader= fIndex;
179 //space for chain header
182 // Loop through all PMT
187 Int_t fWordsIn1stTRM=0;
189 for (Int_t det = 0; det < 55; det++) {
190 time = allData->At(det);
193 FillTime(channel, iTDC, time);
196 if (channel < 6) channel +=2;
200 if (iTDC>15) { chain++; iTDC=0;}
202 // cout<<det<<" "<<time<<" "<<iTDC<<" "<<channel<<" "<<endl;
205 WriteTrailer(0,0,fEventNumber,1); // 1st chain trailer
206 WriteTrailer(15,0,fEventNumber,5); // 1st TRM trailer
207 fWordsIn1stTRM = trm1words + 4;
208 // WriteTRMDataHeader(3, trm1words , positionOfTRMHeader);
209 WriteTRMDataHeader(0, trm1words , positionOfTRMHeader);
212 //space for 2st TRM header
214 positionOfTRMHeader= fIndex;
216 //space for chain header
224 for (Int_t det = 55; det < 108; det++) {
225 time = allData->At(det);
228 FillTime(channel, iTDC, time);
230 if (channel < 6) channel +=2;
234 if (iTDC>15) { chain++; iTDC=0;}
236 // cout<<det<<" "<<time<<" "<<channel<<" "<<iTDC<<endl;
239 WriteTrailer(0,0,fEventNumber,1); // 1st chain trailer
240 WriteTrailer(15,0,fEventNumber,5); // 1st TRM trailer
241 // WriteTRMDataHeader(5,trm2words,positionOfTRMHeader);
242 WriteTRMDataHeader(1,trm2words,positionOfTRMHeader);
244 WriteTrailer(1,fEventNumber,0,5); //DRM trailer
245 WriteDRMDataHeader();
248 //------------------------------------------------------------------------------
249 void AliT0RawData::PackWord(UInt_t &BaseWord, UInt_t Word, Int_t StartBit, Int_t StopBit)
253 Int_t len=StopBit-StartBit+1;
255 for(Int_t jb=0; jb<len; mask|=1<<jb++);
258 Error("PackWord", "Word to be filled is not within desired length\n"
259 "Word:%d Start bit:%d Stop Bit:%d",Word,StartBit,StopBit);
262 BaseWord=(BaseWord&~(mask<<StartBit))|Word<<StartBit;
267 //_____________________________________________________________________________
269 void AliT0RawData::WriteDRMDataHeader()
271 //Write a (dummy or real) DDL DRM data header,
272 //set the compression bit if compressed
273 // UInt_t drmheader[4];
279 PackWord(baseWord,word,0, 3); // 0001
282 PackWord(baseWord,word,4, 20); // event words
284 PackWord(baseWord,word,21,27); // DRM ID for T0 - 124
286 PackWord(baseWord,word,28,31); // 0100 marks header
287 fBuffer[0]= baseWord;
289 //DRM status header 1
291 PackWord(baseWord,word,0, 3); // 0001
293 PackWord(baseWord,word,4, 14); // slotID now 0000000001
295 PackWord(baseWord,word,15, 15); //if 1 LHC clock is coorectly recieved from CPDM
297 PackWord(baseWord,word,16,27); // reserve for future use
299 PackWord(baseWord,word,28,31); // 0100 marks header
300 fBuffer[1] = baseWord;
305 //DRM status header 2
307 PackWord(baseWord,word, 0, 3); // 0001
309 PackWord(baseWord,word, 4, 14); //enable slotID now 00000000011
311 PackWord(baseWord,word, 15, 15); // something
313 PackWord(baseWord,word, 16, 27); // fault ID for simulation 0
315 PackWord(baseWord,word,28,31); // 0100 marks header
316 fBuffer[2]= baseWord;
321 //DRM status header 3
323 PackWord(baseWord,word,0, 3); // 0001
325 PackWord(baseWord,word,4, 27); // TTC event counter
327 PackWord(baseWord,word,28,31); // 0100 marks header
328 fBuffer[3]= baseWord;
336 //_____________________________________________________________________________
338 void AliT0RawData::WriteTRMDataHeader(UInt_t slotID, Int_t nWordsInTRM,
339 Int_t positionOfTRMHeader)
341 //Write a (dummy or real) DDL TRM data header,
342 //set the compression bit if compressed
349 PackWord(baseWord,word,0, 3); // slotID
351 //+this word - DRM header
353 PackWord(baseWord,word,4, 16); // event words
355 PackWord(baseWord,word,17,18); // ACQ
357 PackWord(baseWord,word,19,19); // L SEY inside LUT
359 PackWord(baseWord,word,20,27); // MBZ
361 PackWord(baseWord,word,28,31); // 0100 marks header
362 fBuffer[positionOfTRMHeader] = baseWord;
363 cout<<" TRM header "<<baseWord<<endl;
369 //_____________________________________________________________________________
371 void AliT0RawData::WriteChainDataHeader(UInt_t chainNumber,UInt_t slotID)
373 //Write a (dummy or real) DDL Chain data header,
374 //set the compression bit if compressed
375 // chainNumber 00 or 10
380 word = slotID; // ask Tatiana 7 or 9
381 PackWord(baseWord,word,0, 3); // slotID
383 PackWord(baseWord,word,4, 15); // bunchID
385 PackWord(baseWord,word,16,23); // PB24 temperature
387 PackWord(baseWord,word,24,26); // PB24 ID
389 PackWord(baseWord,word,27,27); // TS
391 PackWord(baseWord,word,28,31); // 0100 marks header
392 fBuffer[4] = baseWord;
398 //_____________________________________________________________________________
400 void AliT0RawData::WriteDataHeader(Bool_t dummy, Bool_t compressed)
402 //Write a (dummy or real) DDL data header,
403 //set the compression bit if compressed
405 AliRawDataHeaderSim header;
408 //if size=0 it means that this data header is a dummy data header
409 fDataHeaderPos = fFile->Tellp();
410 fFile->WriteBuffer((char*)(&header), sizeof(header));
412 UInt_t currentFilePos = fFile->Tellp();
413 fFile->Seekp(fDataHeaderPos);
414 header.fSize = currentFilePos-fDataHeaderPos;
415 header.SetAttribute(0); // valid data
416 if (compressed) header.SetAttribute(1);
417 fFile->WriteBuffer((char*)(&header), sizeof(header));
418 fFile->Seekp(currentFilePos);
423 //___ __________________________________________________________________________
426 void AliT0RawData::WriteTrailer(UInt_t slot, Int_t word1, UInt_t word2, UInt_t word3)
432 PackWord(baseWord,word,0, 3); // 0001
434 PackWord(baseWord,word,4, 15); // CRC ?
436 PackWord(baseWord,word,16,27); // event counter
438 PackWord(baseWord,word,28,31); // marks trailer
440 fBuffer[fIndex] = baseWord;
447 //---------------------------------------------------------------------------------------
448 //---------------------------------------------------------------------------------------
449 void AliT0RawData::FillTime(Int_t ch, Int_t iTDC, Int_t time)
455 PackWord(baseWord,word, 0, 20); // Time
458 PackWord(baseWord,word, 21, 23); // number of channel
460 PackWord(baseWord,word, 24, 27); // TDC ID
463 PackWord(baseWord,word, 28, 28); // E = 0 in simulation
465 PackWord(baseWord,word, 29, 30); // PS bit data 00
467 PackWord(baseWord,word, 31, 31); // 1
469 fBuffer[fIndex]=baseWord;
474 //---------------------------------------------------------------------------------------
476 Int_t AliT0RawData::RawDataT0(AliT0digit *fDigits)
478 //This method creates the Raw data files for T0 detector
481 // const Int_t kSize=512; //2*AliTOFGeometry::NpadXSector()
482 //max number of digits per DDL file times 2
483 // UInt_t fBuffer[kSize];
489 AliRawDataHeaderSim header;
490 //loop over TOF DDL files
491 //write Dummy DATA HEADER
492 WriteDataHeader(kTRUE, kFALSE);
494 //write packing digits
495 fFile->WriteBuffer((char*) fBuffer,((fIndex+1)*sizeof(UInt_t)));
496 //write real data header on its place
497 WriteDataHeader(kFALSE, kFALSE);