/************************************************************************** * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * * * Author: The ALICE Off-line Project. * * Contributors are mentioned in the code where appropriate. * * * * Permission to use, copy, modify and distribute this software and its * * documentation strictly for non-commercial purposes is hereby granted * * without fee, provided that the above copyright notice appears in all * * copies and that both the copyright notice and this permission notice * * appear in the supporting documentation. The authors make no claims * * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ /* $Id$ */ /////////////////////////////////////////////////////////////////////////////// // // // This class provides access to TRD digits in raw data. // // // // It loops over all TRD digits in the raw data given by the AliRawReader. // // The Next method goes to the next digit. If there are no digits left // // it returns kFALSE. // // Several getters provide information about the current digit. // // // // Author: C. Lippmann (C.Lippmann@gsi.de) // // // /////////////////////////////////////////////////////////////////////////////// #include "AliLog.h" #include "AliRawReader.h" #include "AliTRDdigitsManager.h" #include "AliTRDdataArrayI.h" #include "AliTRDRawStream.h" #include "AliTRDgeometry.h" #include "AliTRDCommonParam.h" #include "AliTRDcalibDB.h" ClassImp(AliTRDRawStream) //_____________________________________________________________________________ AliTRDRawStream::AliTRDRawStream() :TObject() ,fSig() ,fADC(0) ,fTB(0) ,fEv(0) ,fROB(0) ,fMCM(0) ,fSM(0) ,fLAYER(0) ,fSTACK(0) ,fROC(0) ,fSIDE(0) ,fDCS(0) ,fROW(0) ,fCOL(0) ,fBCctr(0) ,fPTctr(0) ,fPTphase(0) ,fRVmajor(0) ,fRVminor(0) ,fHCHWords(0) ,fTBins(0) ,fTCon(0) ,fPEDon(0) ,fGAINon(0) ,fXTon(0) ,fNonLinOn(0) ,fBypass(0) ,fCommonAdditive(0) ,fZeroSuppressed(0) ,fHCHctr1(0) ,fHCHctr2(0) ,fMCMHctr1(0) ,fMCMHctr2(0) ,fGTUctr1(0) ,fGTUctr2(0) ,fHCdataCtr(0) ,fTracklPID(0.) ,fTracklDefL(0.) ,fTracklPadPos(0.) ,fTracklPadRow(0) ,fGTUlinkMask() ,fRawReader(NULL) ,fCount(0) ,fDetector(-1) ,fPrevDetector(-1) ,fNPads(-1) ,fRow(-1) ,fPrevRow(-1) ,fColumn(-1) ,fPrevColumn(-1) ,fTime(-1) ,fSignal(-1) ,fRawVersion(2) ,fDataWord(0) ,fStatus(0) ,fTbSwitch(0) ,fTbSwitchCtr(0) ,fTimeWords(0) ,fWordCtr(0) ,fRowMax(0) ,fColMax(0) ,fADCmask() ,fChamberDone() ,fGeo(NULL) ,fDigitsManager(NULL) ,fDigits(NULL) ,fTrack0(NULL) ,fTrack1(NULL) ,fTrack2(NULL) { // // Default constructor // for (Int_t i = 0; i < 540; i++) { fChamberDone[i] = 0; } } //_____________________________________________________________________________ AliTRDRawStream::AliTRDRawStream(AliRawReader *rawReader , AliTRDdigitsManager *man , AliTRDdataArrayI *dig) :TObject() ,fSig() ,fADC(0) ,fTB(0) ,fEv(0) ,fROB(0) ,fMCM(0) ,fSM(0) ,fLAYER(0) ,fSTACK(0) ,fROC(0) ,fSIDE(0) ,fDCS(0) ,fROW(0) ,fCOL(0) ,fBCctr(0) ,fPTctr(0) ,fPTphase(0) ,fRVmajor(0) ,fRVminor(0) ,fHCHWords(0) ,fTBins(0) ,fTCon(0) ,fPEDon(0) ,fGAINon(0) ,fXTon(0) ,fNonLinOn(0) ,fBypass(0) ,fCommonAdditive(0) ,fZeroSuppressed(0) ,fHCHctr1(0) ,fHCHctr2(0) ,fMCMHctr1(0) ,fMCMHctr2(0) ,fGTUctr1(0) ,fGTUctr2(0) ,fHCdataCtr(0) ,fTracklPID(0.) ,fTracklDefL(0.) ,fTracklPadPos(0.) ,fTracklPadRow(0) ,fGTUlinkMask() ,fRawReader(rawReader) ,fCount(0) ,fDetector(-1) ,fPrevDetector(-1) ,fNPads(-1) ,fRow(-1) ,fPrevRow(-1) ,fColumn(-1) ,fPrevColumn(-1) ,fTime(-1) ,fSignal(-1) ,fRawVersion(2) ,fDataWord(0) ,fStatus(0) ,fTbSwitch(0) ,fTbSwitchCtr(0) ,fTimeWords(0) ,fWordCtr(0) ,fRowMax(0) ,fColMax(0) ,fADCmask() ,fChamberDone() ,fGeo(NULL) ,fDigitsManager(man) ,fDigits(dig) ,fTrack0(NULL) ,fTrack1(NULL) ,fTrack2(NULL) { // // Create an object to read TRD raw digits // fGeo = new AliTRDgeometry(); fRawReader->Select("TRD"); for (Int_t i = 0; i < 540; i++) { fChamberDone[i] = 0; } } //_____________________________________________________________________________ AliTRDRawStream::AliTRDRawStream(AliRawReader *rawReader) :TObject() ,fSig() ,fADC(0) ,fTB(0) ,fEv(0) ,fROB(0) ,fMCM(0) ,fSM(0) ,fLAYER(0) ,fSTACK(0) ,fROC(0) ,fSIDE(0) ,fDCS(0) ,fROW(0) ,fCOL(0) ,fBCctr(0) ,fPTctr(0) ,fPTphase(0) ,fRVmajor(0) ,fRVminor(0) ,fHCHWords(0) ,fTBins(0) ,fTCon(0) ,fPEDon(0) ,fGAINon(0) ,fXTon(0) ,fNonLinOn(0) ,fBypass(0) ,fCommonAdditive(0) ,fZeroSuppressed(0) ,fHCHctr1(0) ,fHCHctr2(0) ,fMCMHctr1(0) ,fMCMHctr2(0) ,fGTUctr1(0) ,fGTUctr2(0) ,fHCdataCtr(0) ,fTracklPID(0.) ,fTracklDefL(0.) ,fTracklPadPos(0.) ,fTracklPadRow(0) ,fGTUlinkMask() ,fRawReader(rawReader) ,fCount(0) ,fDetector(-1) ,fPrevDetector(-1) ,fNPads(-1) ,fRow(-1) ,fPrevRow(-1) ,fColumn(-1) ,fPrevColumn(-1) ,fTime(-1) ,fSignal(-1) ,fRawVersion(2) ,fDataWord(0) ,fStatus(0) ,fTbSwitch(0) ,fTbSwitchCtr(0) ,fTimeWords(0) ,fWordCtr(0) ,fRowMax(0) ,fColMax(0) ,fADCmask() ,fChamberDone() ,fGeo(NULL) ,fDigitsManager(NULL) ,fDigits(NULL) ,fTrack0(NULL) ,fTrack1(NULL) ,fTrack2(NULL) { // // Create an object to read TRD raw digits // fRawReader->Select("TRD"); for (Int_t i = 0; i < 540; i++) { fChamberDone[i] = 0; } } //_____________________________________________________________________________ AliTRDRawStream::AliTRDRawStream(const AliTRDRawStream& stream) :TObject(stream) ,fSig() ,fADC(-1) ,fTB(-1) ,fEv(-1) ,fROB(-1) ,fMCM(-1) ,fSM(-1) ,fLAYER(-1) ,fSTACK(-1) ,fROC(-1) ,fSIDE(-1) ,fDCS(-1) ,fROW(-1) ,fCOL(-1) ,fBCctr(-1) ,fPTctr(-1) ,fPTphase(-1) ,fRVmajor(-1) ,fRVminor(-1) ,fHCHWords(-1) ,fTBins(-1) ,fTCon(0) ,fPEDon(0) ,fGAINon(0) ,fXTon(0) ,fNonLinOn(-1) ,fBypass(-1) ,fCommonAdditive(-1) ,fZeroSuppressed(0) ,fHCHctr1(-1) ,fHCHctr2(-1) ,fMCMHctr1(-1) ,fMCMHctr2(-1) ,fGTUctr1(-1) ,fGTUctr2(-1) ,fHCdataCtr(-1) ,fTracklPID(-1.) ,fTracklDefL(-1.) ,fTracklPadPos(-1.) ,fTracklPadRow(-1) ,fGTUlinkMask() ,fRawReader(NULL) ,fCount(-1) ,fDetector(-1) ,fPrevDetector(-1) ,fNPads(-1) ,fRow(-1) ,fPrevRow(-1) ,fColumn(-1) ,fPrevColumn(-1) ,fTime(-1) ,fSignal(-1) ,fRawVersion(-1) ,fDataWord(0) ,fStatus(-1) ,fTbSwitch(0) ,fTbSwitchCtr(0) ,fTimeWords(0) ,fWordCtr(0) ,fRowMax(-1) ,fColMax(-1) ,fADCmask() ,fChamberDone() ,fGeo(NULL) ,fDigitsManager(NULL) ,fDigits(NULL) ,fTrack0(NULL) ,fTrack1(NULL) ,fTrack2(NULL) { // // Copy constructor // AliFatal("Copy constructor not implemented"); } //_____________________________________________________________________________ AliTRDRawStream& AliTRDRawStream::operator = (const AliTRDRawStream& /* stream */) { // // Assigment operator // Fatal("operator =", "assignment operator not implemented"); return *this; } //_____________________________________________________________________________ AliTRDRawStream::~AliTRDRawStream() { // // Destructor // } //_____________________________________________________________________________ Bool_t AliTRDRawStream::SetRawVersion(Int_t rv) { // // Set the raw data version // if ( rv >= 0 && rv <= 3 ) { fRawVersion = rv; return kTRUE; } return kFALSE; } //_____________________________________________________________________________ Bool_t AliTRDRawStream::Next() { // // This is Bogdans code for reading raw data (offline use only). // It is used for fRawVersion == 0. This funcyion read the next raw digit. // Returns kFALSE if there is no digit left // fPrevDetector = fDetector; fPrevRow = fRow; fPrevColumn = fColumn; UChar_t data; AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); if (!calibration) return kFALSE; Int_t timeBins = calibration->GetNumberOfTimeBins(); while (fCount >= 0) { while (fCount == 0) { // next detector // read the flag if (!fRawReader->ReadNextChar(data)) { return kFALSE; } if (data != 0xBB) { AliError(Form("wrong flag: %x", data)); fCount = -1; return kFALSE; } // read the detector number if (!fRawReader->ReadNextChar(data)) { AliError("Could not read detector number"); fCount = -1; return kFALSE; } fDetector = data; if (!fRawReader->ReadNextChar(data)) { AliError("Could not read detector number"); fCount = -1; return kFALSE; } fDetector += (UInt_t(data) << 8); // read the number of byts if (!fRawReader->ReadNextChar(data)) { AliError("Could not read number of bytes"); fCount = -1; return kFALSE; } fCount = data; if (!fRawReader->ReadNextChar(data)) { AliError("Could not read number of bytes"); fCount = -1; return kFALSE; } fCount += (UInt_t(data) << 8); if (!fRawReader->ReadNextChar(data)) { AliError("Could not read number of bytes"); fCount = -1; return kFALSE; } fCount += (UInt_t(data) << 16); // read the number of active pads if (!fRawReader->ReadNextChar(data)) { AliError("Could not read number of active pads"); fCount = -1; return kFALSE; } fNPads = data; if (!fRawReader->ReadNextChar(data)) { AliError("Could not read number of active pads"); fCount = -1; return kFALSE; } fNPads += (UInt_t(data) << 8); fTime = timeBins; } // read the pad row and column number if ((fTime >= timeBins) && (fCount > 2)) { if (!fRawReader->ReadNextChar(data)) { AliError("Could not read row number"); fCount = -1; return kFALSE; } fCount--; fRow = data - 1; if (!fRawReader->ReadNextChar(data)) { AliError("Could not read column number"); fCount = -1; return kFALSE; } fCount--; fColumn = data - 1; fTime = 0; } // read the next data byte if (!fRawReader->ReadNextChar(data)) { AliError("Could not read data"); fCount = -1; return kFALSE; } fCount--; if (data == 0) { // zeros if (!fRawReader->ReadNextChar(data)) { AliError("Could not read time value"); fCount = -1; return kFALSE; } fCount--; fTime += data + 1; } else { // signal fSignal = (UInt_t(data & 0x7F) << 8); if (!fRawReader->ReadNextChar(data)) { AliError("Could not read ADC value"); fCount = -1; return kFALSE; } fCount--; fSignal += data; fTime++; return kTRUE; } } return kFALSE; } //____________________________________________________________________________ Int_t AliTRDRawStream::ReadAll() { // // Read all TRD raw data word (32 bits). This is for all fRawVersion > 0. // Return 0 if something is not cool, 2 if data seems empty // // by C. Lippmann // AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance(); if (!commonParam) { AliError("Could not get common parameters"); return 0; } AliTRDcalibDB *calibration = AliTRDcalibDB::Instance(); if (!calibration) { AliError("Could not get calibration object"); return 0; } UInt_t timeTotal = calibration->GetNumberOfTimeBins(); AliDebug(2, Form("Number of Timebins read from CDB: %d", timeTotal)); // The number of data words needed for this number of time bins (there // are 3 time bins in one word) fTimeWords = (timeTotal-1)/3 + 1; fTbSwitch = 3; fTbSwitchCtr = 0; Int_t EqID = 0; UInt_t datasize = 0; Int_t iDET = 0; Int_t retval = 0; Bool_t sizeOK = kFALSE; fHCHctr1 = fHCHctr2 = 0; fGTUctr1 = fGTUctr2 = -1; fHCdataCtr = 0; fWordCtr = 0; AliInfo("Converting TRD raw data to digits ..."); while ( 1 ) { // loop over all supermodules fWordCtr = 0; fHCHctr1 = 0; fMCMHctr1 = 0; // // 0) Find first GTU Link Mask and test if we can read data // do { if ( !fRawReader->ReadNextInt( fDataWord ) ) { // This is the standard exit point // Compress also the digits from the last detector if ( fChamberDone[iDET] == 2 ) { //printf("Compressing data for det %d\n", iDET); fDigits->Compress(1,0); fTrack0->Compress(1,0); fTrack1->Compress(1,0); fTrack2->Compress(1,0); } AliInfo(Form("Finished processing TRD raw data: Found %d Half-Chambers", fHCHctr2)); // /* fDigits = fDigitsManager->GetDigits(iDET+1); fTrack0 = fDigitsManager->GetDictionary(iDET+1,0); fTrack1 = fDigitsManager->GetDictionary(iDET+1,1); fTrack2 = fDigitsManager->GetDictionary(iDET+1,2); fDigits->Allocate(fRowMax,fColMax,timeTotal); fTrack0->Allocate(fRowMax,fColMax,timeTotal); fTrack1->Allocate(fRowMax,fColMax,timeTotal); fTrack2->Allocate(fRowMax,fColMax,timeTotal); fDigits->SetDataUnchecked(0, 0, 0, 50); fTrack0->SetDataUnchecked(0, 0, 0, 0); fTrack1->Set fTrack2->SetDataUnchecked(0, 0, 0, 0); fDigits->Compress(1,0); fTrack0->Compress(1,0); fTrack1->Compress(1,0); fTrack2->Compress(1,0); */ // if ( sizeOK ) return 1; else return 2; } fWordCtr++; // After reading the first word check for size of this data and get Eq. ID if ( fWordCtr == 1 ) { datasize = fRawReader->GetDataSize()/4; // Size of this payload in 32bit words EqID = fRawReader->GetEquipmentId(); // Get Equipment ID //if ( sizeOK = kFALSE && datasize > 0 ) { sizeOK = kTRUE; printf("Yo\n"); } if ( datasize > 0 ) sizeOK = kTRUE; } // GTU Link Mask? if ( (fDataWord & 0xfffff000) == 0xe0000000 ) { fStatus = 1; // GTU link mask found DecodeGTUlinkMask(); break; } else { AliError(Form("Equipment %d: First data word is not GTU Link Mask!", EqID)); return 0; } } while ( fWordCtr < datasize ); // // loop over all half chambers in one supermodule // while ( fWordCtr < datasize ) { // // 1) Find end_of_tracklet_marker // while ( fWordCtr < datasize ) { if ( !fRawReader->ReadNextInt( fDataWord ) ) { AliError("Could not read data"); return 0; } fWordCtr++; // GTU Link Mask? if ( (fDataWord & 0xfffff000) == 0xe0000000 ) { DecodeGTUlinkMask(); continue; } // endoftrackletmarker? if ( fDataWord == kEndoftrackletmarker ) { AliDebug(3, "end-of-tracklet-marker found"); fStatus = 1; break; } else { // Tracklets found AliDebug(3, "Tracklet found"); DecodeTracklet(); } } if ( fStatus == 0 ) break; // // 2) Look for non-end_of_tracklet_marker // fStatus = 0; while ( fWordCtr < datasize ) { if ( !fRawReader->ReadNextInt( fDataWord ) ) { AliError("Could not read data"); return 0; } fWordCtr++; //printf("Word %d: 0x%08x\n", fWordCtr, fDataWord); if ( fDataWord != kEndoftrackletmarker ) { fStatus = 1; break; } } if ( fStatus == 0 ) break; // // 3) This Word must be Half Chamber Header // fStatus = 0; if ( (fDataWord & 0x00000003) == 1 ) { // HC header // If both half chambers of chamber corresponding to previous header // were already processed, we can compress these digits iDET = fGeo->GetDetector(fLAYER, fSTACK, fSM); // !!this is still the previous HC!! if ( fChamberDone[iDET] == 2 ) { //printf("Compressing data for det %d\n", iDET); fDigits->Compress(1,0); fTrack0->Compress(1,0); fTrack1->Compress(1,0); fTrack2->Compress(1,0); } // Read from new HC header the chamber position (fLAYER, fSTACK, fSM) DecodeHCheader(timeTotal); // This is the new header! iDET = fGeo->GetDetector(fLAYER, fSTACK, fSM); fRowMax = commonParam->GetRowMax(fLAYER,fSTACK,fSM); fColMax = commonParam->GetColMax(fROC); // The container for the digits of this detector fDigits = fDigitsManager->GetDigits(iDET); fTrack0 = fDigitsManager->GetDictionary(iDET,0); fTrack1 = fDigitsManager->GetDictionary(iDET,1); fTrack2 = fDigitsManager->GetDictionary(iDET,2); // Allocate memory if it was not already done if (fDigits->GetNtime() == 0) { //printf("Allocating digits memory for det %d\n", iDET); fDigits->Allocate(fRowMax, fColMax, fTBins); fTrack0->Allocate(fRowMax, fColMax, fTBins); fTrack1->Allocate(fRowMax, fColMax, fTBins); fTrack2->Allocate(fRowMax, fColMax, fTBins); } if ( fZeroSuppressed ) { // Make sure digits in this HC are 0 for ( Int_t colctr = fSIDE*fColMax/2; colctr < fColMax*(1+fSIDE)/2; colctr++ ) { for ( Int_t rowctr = 0; rowctr < fRowMax; rowctr++ ) { for ( Int_t timectr = 0; timectr < fTBins; timectr++ ) { fDigits->SetDataUnchecked(rowctr, colctr, timectr, 0); fTrack0->SetDataUnchecked(rowctr, colctr, timectr, 0); fTrack1->SetDataUnchecked(rowctr, colctr, timectr, 0); fTrack2->SetDataUnchecked(rowctr, colctr, timectr, 0); } } } } fMCMHctr2 = 0; fHCdataCtr = 0; fChamberDone[iDET]++; } // // 4) Scan MCM data // fStatus = 0; while ( fWordCtr < datasize ) { if ( !fRawReader->ReadNextInt( fDataWord ) ) { AliError("Could not read data"); return 0; } fWordCtr++; //printf("Word %d: 0x%08x\n", fWordCtr, fDataWord); fHCdataCtr += 4; //if( (fDataWord & 0x0000000f) == 0xC ) { // MCM Header if( ((fDataWord & 0x80000000) == 0x0) && ((fDataWord & 0x0000000f) == 0xC) ) { // MCM Header DecodeMCMheader(); if ( fMCM < 0 || fMCM > 15 || fROB < 0 || fROB > 7 ) { AliError("Wrong fMCM or fROB. Skip this data"); break; } fTbSwitch = 3; // For first adc channel we expect: (fDataWord & 3) = 3 fTbSwitchCtr = 0; // fADC = fTB = 0; // Reset Counter fStatus = 1; // Now 1 means MCM header is found continue; } if ( fDataWord == kEndofrawdatamarker ) { // End of half-chamber data, finished fGTUctr1 = -1; break; } if ( fStatus == 1 ) { // MCM header is set, ADC data is valid. // Found some data. Decode it now: retval = DecodeDataWord(); if ( retval == 0 ) continue; if ( retval == -1 ) break; if ( fADC > 1 && fADC < (Int_t)fGeo->ADCmax()-1 ) { // Write Digits if ( fCOL >= 0 && fCOL < fColMax && fROW >= 0 && fROW < fRowMax ) { // A real pad for ( Int_t ctr = 0; ctr < 3; ctr++ ) { if ( fTB+ctr < (Int_t)timeTotal ) { /* fDigits->SetDataUnchecked(fROW, fCOL, fTB+ctr, fSig[ctr]); fTrack0->SetDataUnchecked(fROW, fCOL, fTB+ctr, 0); fTrack1->SetDataUnchecked(fROW, fCOL, fTB+ctr, 0); fTrack2->SetDataUnchecked(fROW, fCOL, fTB+ctr, 0); */ // // Pedestal subtraction done here (???): // //fDigits->SetData(fROW, fCOL, fTB+ctr, fSig[ctr] - fCommonAdditive); fDigits->SetData(fROW, fCOL, fTB+ctr, fSig[ctr]); // The MC labels have been already flushed, no need // in the following three lines // fTrack0->SetData(fROW, fCOL, fTB+ctr, 0); // fTrack1->SetData(fROW, fCOL, fTB+ctr, 0); // fTrack2->SetData(fROW, fCOL, fTB+ctr, 0); // } } } fTB += 3; } else { fCOL = -1; } } } AliDebug(2, Form("SM%02d L%dS%d side %x: Processed %dMCMs=%dbyte", fSM, fLAYER, fSTACK, fSIDE+10, fMCMHctr2, fHCdataCtr)); } // End Half-Chamber loop AliDebug(1, Form("SM%02d (Eq %d): Processed %d HC (%dMCMs=%dbyte)", fSM, EqID, fHCHctr1, fMCMHctr1, datasize*4)); } // End Super Module loop // Compress also the digits from the last detector if ( fChamberDone[iDET] == 2 ) { //printf("Compressing data for det %d\n", iDET); fDigits->Compress(1,0); fTrack0->Compress(1,0); fTrack1->Compress(1,0); fTrack2->Compress(1,0); } if ( sizeOK ) return 1; else return 2; } //============================================================================ // Decoding functions //============================================================================ //____________________________________________________________________________ void AliTRDRawStream::DecodeHCheader(Int_t timeBins) { // // Decode a half chamber header // if ( (fDataWord >> 31) == 0 ) { // Can only happen for fRawVersion == 1 if ( fRawVersion != 1 ) { AliWarning("==============================================================================="); AliWarning(Form("Mismatch between fRawVersion (%d) and HC header signature", fRawVersion)); AliWarning("Setting fRawVersion to 1"); AliWarning("==============================================================================="); fRawVersion = 1; } DecodeHCheaderV1(); return; } else { fRVmajor = (fDataWord >> 24) & 0x7f; fRVminor = (fDataWord >> 17) & 0x7f; if ( fRawVersion != fRVmajor ) { AliWarning("==============================================================================="); AliWarning(Form("Mismatch between fRawVersion (%d) and fRVmajor from HC header (%d)" ,fRawVersion,fRVmajor)); AliWarning(Form("Setting fRawVersion to %d", fRVmajor)); AliWarning("==============================================================================="); fRawVersion = fRVmajor; } if ( fRawVersion >= 2 && fRawVersion <= 3 ) { DecodeHCheaderV2V3(timeBins); } // // check for zero suppression if ( fRawVersion >= 3 || fRawVersion <= 4 ) fZeroSuppressed = kTRUE; else fZeroSuppressed = kFALSE; return; } AliError(Form(" Unsupported raw version: %d", fRawVersion)); return; } //____________________________________________________________________________ void AliTRDRawStream::DecodeHCheaderV1() { // // Decode the HC header (fRawVersion == 1, SM I Commissioning 06) // if ( (fDataWord & 0x3) == 1 ) { fDCS = (fDataWord >> 20); fSM = (fDataWord >> 15) & 0x1f; fLAYER = (fDataWord >> 12) & 0x7; fSTACK = (fDataWord >> 9) & 0x7; fSIDE = (fDataWord >> 8) & 0x1; fROC = fGeo->GetDetectorSec(fLAYER, fSTACK); //AliDebug(3, Form("0x%08x: HC header: dcs=%d; sm=%d; roc=%d; side=%x", fDataWord, fDCS, fSM, fROC, fSIDE+10)); if ((fSM < 0) || (fSM > 17) || (fLAYER < 0) || (fLAYER > 5) || (fSTACK < 0) || (fSTACK > 4) || (fSIDE < 0) || (fSIDE > 1)) { AliWarning(Form("0x%08x: Strange HC header: dcs=%d; sm=%d; layer=%d; stack=%d.", fDataWord, fDCS, fSM, fLAYER, fSTACK)); } else { fStatus = 1; fHCHctr1++; fHCHctr2++; } fHCHWords = 0; } else { AliError(Form("0x%08x: No HC header when it was expected.", fDataWord)); } } //____________________________________________________________________________ void AliTRDRawStream::DecodeHCheaderV2V3(Int_t timeBins) { // // Decode the HC header (fRawVersion == 2, 3, 4, ???) // // 1st word (h[0]) if ( (fDataWord & 0x3) == 1 ) { fHCHWords = (fDataWord >> 14) & 0x7; fSM = (fDataWord >> 9) & 0x1f; fLAYER = (fDataWord >> 6) & 0x7; fSTACK = (fDataWord >> 3) & 0x7; fSIDE = (fDataWord >> 2) & 0x1; fROC = fGeo->GetDetectorSec(fLAYER, fSTACK); AliDebug(3, Form("0x%08x: HC header: sm=%d; roc=%d; side=%x", fDataWord, fSM, fROC, fSIDE+10)); if ((fSM < 0) || (fSM > 17) || (fLAYER < 0) || (fLAYER > 5) || (fSTACK < 0) || (fSTACK > 4) || (fSIDE < 0) || (fSIDE > 1)) { AliError(Form("0x%08x: Strange HC header: dcs=%d; sm=%d; layer=%d; stack=%d.", fDataWord, fDCS, fSM, fLAYER, fSTACK)); } else { fStatus = 1; fHCHctr1++; fHCHctr2++; } } else { AliError(Form("0x%08x: No HC header when it was expected.", fDataWord)); } // 2nd word (h[1]) if ( fHCHWords >= 1 ) { // read one more word if ( !fRawReader->ReadNextInt( fDataWord ) ) { AliError("Could not read data"); return; } fWordCtr++; if ( (fDataWord & 0x3) == 1 ) { fBCctr = (fDataWord >> 16); fPTctr = (fDataWord >> 12) & 0xf; fPTphase = (fDataWord >> 8) & 0xf; fTBins = ((fDataWord >> 2) & 0x3f) + 1; AliDebug(3, Form("0x%08x: HC header 2: BCctr=%d PTctr=%d PTph=%d TB=%d" , fDataWord, fBCctr, fPTctr, fPTphase, fTBins)); if( fTBins != timeBins ) { AliWarning("==============================================================================="); AliError(Form("Mismatch between nNTB from CDB (%d) and from HC header (%d)" , timeBins, fTBins)); AliWarning(Form("We will use the value from the raw data (HC header): %d", fTBins)); AliWarning("==============================================================================="); } } } // 3nd word (h[2]) if ( fHCHWords >= 2 ) { // read one more word if ( !fRawReader->ReadNextInt( fDataWord ) ) { AliError("Could not read data"); return; } fWordCtr++; if ( (fDataWord & 0x3) == 1 ) { fTCon = (fDataWord >> 29) & 0x1; fPEDon = (fDataWord >> 31) & 0x1; fGAINon = (fDataWord >> 30) & 0x1; fXTon = (fDataWord >> 28) & 0x1; fNonLinOn = (fDataWord >> 27) & 0x1; fBypass = (fDataWord >> 26) & 0x1; fCommonAdditive = (fDataWord >> 20) & 0x3f; AliDebug(3, Form("0x%08x: HC header 3: TC=%d, PED=%d, GAIN=%d, XT=%d, NonLin=%d, Bypass=%d, Add=%d" , fTCon, fPEDon, fGAINon, fXTon, fNonLinOn, fBypass, fCommonAdditive)); if( fTBins != timeBins ) { AliError(Form("Mismatch between Number of Time Bins from CDB (%d) and from HC header (%d)" , timeBins, fTBins)); } } } } //____________________________________________________________________________ void AliTRDRawStream::DecodeMCMheader() { // // // if ( fRawVersion >= 1 && fRawVersion <= 3 ) { DecodeMCMheaderVx(); return; } AliError(Form(" Unsupported raw version: %d", fRawVersion)); return; } //____________________________________________________________________________ void AliTRDRawStream::DecodeMCMheaderVx() { // // Decode the MCM header // fMCM = (fDataWord & 0xff000000) >> 24; fEv = (fDataWord & 0x00fffff0) >> 4; fROB = fMCM / 16; fMCM = fMCM % 16; fROW = fGeo->GetPadRowFromMCM(fROB, fMCM); AliDebug(4, Form("0x%08x: SM%d L%dS%d. MCM Header: fROB=%d fMCM=%02d fEv=%02d" , fDataWord, fSM, fLAYER, fSTACK, fROB, fMCM, fEv)); if ( fROB % 2 == 0 && fSIDE == 1 ) { AliError(Form("SM%d L%dS%d: Mismatch between fROB (%d) and fSIDE (%d): fMCM=%02d" , fSM, fLAYER, fSTACK, fROB, fSIDE, fMCM )); } if ( fROB % 2 != 0 && fSIDE == 0 ) { AliError(Form("SM%d L%dS%d: Mismatch between fROB (%d) and fSIDE (%d): fMCM=%02d" , fSM, fLAYER, fSTACK, fROB, fSIDE, fMCM )); } if ( (fSTACK == 2 && fROW >= fGeo->RowmaxC0()) || (fSTACK != 2 && fROW >= fGeo->RowmaxC1()) || fROW < 0 ) { AliError(Form("SM%d L%dS%d: Wrong Padrow (%d) fROB=%d, fSIDE=%d, fMCM=%02d" , fSM, fLAYER, fSTACK, fROW, fROB, fSIDE, fMCM )); } fMCMHctr1++; fMCMHctr2++; // AdcMask for Zero supressed data if ( fRawVersion == 3 ) { // read one more word if ( !fRawReader->ReadNextInt( fDataWord ) ) { AliError("Could not read data"); return; } fWordCtr++; if ( (fDataWord & 0x000007ff) == 0xC ) { // at the moment bits 4-10 are empty //if ( (fDataWord & 0x0000000f) == 0xC ) { for ( Int_t ctr = 0; ctr < fGeo->ADCmax(); ctr++ ) { if ( (fDataWord >> (11+ctr)) == 0x1 ) fADCmask[ctr] = kTRUE; else fADCmask[ctr] = kFALSE; } AliDebug(4, Form("0x%08x: ADC mask", fDataWord)); } else { AliError("Expected ADC mask but did not find one!"); } } } //____________________________________________________________________________ void AliTRDRawStream::DecodeTracklet() { // // // if ( fRawVersion >= 1 && fRawVersion <= 3 ) { DecodeTrackletVx(); return; } AliError(Form(" Unsupported raw version: %d", fRawVersion)); return; } //____________________________________________________________________________ void AliTRDRawStream::DecodeTrackletVx() { // // Decode the Tracklet // // this function is not tested yet on real tracklets // fTracklPID = (fDataWord >> 24) & 0xff; fTracklPadRow = (fDataWord >> 20) & 0xf; // 0:15 fTracklDefL = (fDataWord >> 13) & 0x7f; fTracklPadPos = (fDataWord) & 0x1fff; fTracklPID /= (Float_t)((1<<8) - 1); // 0:1 (steps of 0.39%) fTracklDefL = (fTracklDefL - ((1<< 7)-1)/2.) * 140.e-4; // -0.889:0.889cm fTracklPadPos = (fTracklPadPos - ((1<<13)-1)/2.) * 160.e-4; // -65.528:65.528 cm AliDebug(4, Form("0x%08x: Tracklet found: SM%d L%dS%d side %x: PadRow=%d PadPos=%f DefL=%f PID=%f" , fDataWord, fSM, fLAYER, fSTACK, fSIDE+10 , fTracklPadRow, fTracklPadPos, fTracklDefL, fTracklPID)); if( (fSTACK == 2) && (fTracklPadRow >= (Int_t) fGeo->RowmaxC0()) || (fSTACK != 2) && (fTracklPadRow >= (Int_t) fGeo->RowmaxC1()) ) { AliError(Form("Strange Row read from Tracklet Word: %d", fTracklPadRow)); } } //____________________________________________________________________________ void AliTRDRawStream::DecodeGTUlinkMask() { // // // if ( fRawVersion >= 1 && fRawVersion <= 3 ) { DecodeGTUlinkMaskVx(); return; } AliError(Form(" Unsupported raw version: %d", fRawVersion)); return; } //____________________________________________________________________________ void AliTRDRawStream::DecodeGTUlinkMaskVx() { // // Decode the link masks sent by the GTU. These marke the active optical links // between GTU and Super Module. Up to now only fully active links are found // (0xfff = 12 active links). // if ( fGTUctr1 == -1 ) fGTUctr2++; fGTUctr1++; //printf("fGTUctr=%d",fGTUctr); //printf("fGTUctr1=%d, fGTUctr2=%d",fGTUctr1, fGTUctr2); if ( (fGTUctr1 >= 0) && (fGTUctr1 < 5) && (fGTUctr2 >= 0) && (fGTUctr2 < 18) ) { fGTUlinkMask[fGTUctr2][fGTUctr1] = (fDataWord & 0xfff); } for ( Int_t ctr = 0; ctr < 12; ctr++ ) { if ( IsGTULinkActive(fGTUctr2, ctr/2, fGTUctr1, ctr%2) ) { AliDebug(3, Form("SM %2d Stack %d: GTU Link %2d is active!", fGTUctr2, fGTUctr1, ctr)); } } } //____________________________________________________________________________ Int_t AliTRDRawStream::DecodeDataWord() { // // Decode the Data // if ( fRawVersion >= 1 && fRawVersion <= 2 ) { return DecodeDataWordV1V2(); } else if ( fRawVersion >= 3 && fRawVersion <= 3 ) { return DecodeDataWordV3(); } AliError(Form(" Unsupported raw version: %d", fRawVersion)); return -1; } //____________________________________________________________________________ Int_t AliTRDRawStream::DecodeDataWordV1V2() { // // Decode the Data (full raw data. No zero suppression. 21 adc channels) // // return 0 means continue to next data word // return -1 means break data loop // if ( (fDataWord & 0x00000003) != 0x2 && (fDataWord & 0x00000003) != 0x3) { AliError(Form("Data %08x : Data Word ends neither with b11 nor b10", (Int_t)fDataWord)); return -1; } if ( (fDataWord & 0x00000003) != fTbSwitch ) { // Next ADC channel found //if ( fTB+1 != timeBins ) AliError(Form("Time bins in data (%d) != DB (%d)", fTB+1, timeBins)); fTbSwitch = (fTbSwitch & 2) | !(fTbSwitch & 1); // 0x3 <--> 0x2 fTbSwitchCtr = 0; fADC++; fTB=0; } fTbSwitchCtr++; // Just read one word // We have only timeTotal time bins if ( fTbSwitchCtr > fTimeWords ) { AliError(Form("Data is strange. Already found %d words for this ADC channel", (Int_t)fTbSwitchCtr)); return 0; } // We have only 21 ADC channels. if ( fADC > (Int_t)fGeo->ADCmax()-1 ) { AliError(Form("Data %08x : Data is strange. fADC is already %d", (Int_t)fDataWord, (Int_t)fADC)); return 0; } // There are 18 pads connected to each MCM ADC channels 2...19. The other channels cross to other // MCMs and are good for online tracking in the MCM. if ( fADC > 1 && fADC < (Int_t)fGeo->ADCmax()-1 ) { // Get Pad column fCOL = fGeo->GetPadColFromADC(fROB, fMCM, fADC); // We have only 144 Pad Columns if ( fCOL > fColMax-1 || fCOL < 0 ) { AliError(Form("SM%d L%dS%d: Wrong Pad column (%d) fROB=%d, fSIDE=%d, fMCM=%02d", fSM, fLAYER, fSTACK, fCOL, fROB, fSIDE, fMCM )); } // Decode 32 bit data words with information from 3 time bins and copy the data fSig[0] = (fDataWord & 0x00000ffc) >> 2; fSig[1] = (fDataWord & 0x003ff000) >> 12; fSig[2] = (fDataWord & 0xffc00000) >> 22; // Print data to screen: // Do NOT switch on for default production, it is VERY slow // AliDebug(5, Form("SM%d L%dS%d: ROB%d MCM=%d ADC=%d (ROW=%d COL=%d): Data %04d %04d %04d\n", // fSM, fLAYER, fSTACK, fROB, fMCM, fADC, fROW, fCOL, fSig[0], fSig[1], fSig[2])); } else { fCOL = -1; } return 1; } //____________________________________________________________________________ Int_t AliTRDRawStream::DecodeDataWordV3() { // // Decode the data (Zero suppresses data. 21 adc channels) // // return 0 means continue to next data word // return -1 means break data loop // // NOT TESTED YET!!!!!!!! // if ( (fDataWord & 0x00000003) != 0x2 && (fDataWord & 0x00000003) != 0x3) { AliError(Form("Data %08x : Data Word ends neither with b11 nor b10", (Int_t)fDataWord)); return -1; } if ( (fDataWord & 0x00000003) != fTbSwitch ) { // Next ADC channel found //if ( fTB+1 != timeBins ) AliError(Form("Time bins in data (%d) != DB (%d)", fTB+1, timeBins)); fTbSwitch = (fTbSwitch & 2) | !(fTbSwitch & 1); // 0x3 <--> 0x2 fTbSwitchCtr = 0; // // Jump to next ADC channel that is not masked do { fADC++; } while ( ((fADC < fGeo->ADCmax()) && (fADCmask[fADC] == kFALSE)) || (fADC >= fGeo->ADCmax()) ); fTB=0; } fTbSwitchCtr++; // Just read one word // We have only timeTotal time bins if ( fTbSwitchCtr > fTimeWords ) { AliError(Form("Data is strange. Already found %d words for this ADC channel", (Int_t)fTbSwitchCtr)); return 0; } // We have only 21 ADC channels. if ( fADC > (Int_t)fGeo->ADCmax()-1 ) { AliError(Form("Data %08x : Data is strange. fADC is already %d", (Int_t)fDataWord, (Int_t)fADC)); return 0; } // There are 18 pads connected to each MCM ADC channels 2...19. The other channels cross to other // MCMs and are good for online tracking in the MCM. if ( fADC > 1 && fADC < (Int_t)fGeo->ADCmax()-1 ) { // Get Pad column fCOL = fGeo->GetPadColFromADC(fROB, fMCM, fADC); // We have only 144 Pad Columns if ( fCOL > fColMax-1 || fCOL < 0 ) { AliError(Form("SM%d L%dS%d: Wrong Pad column (%d) fROB=%d, fSIDE=%d, fMCM=%02d", fSM, fLAYER, fSTACK, fCOL, fROB, fSIDE, fMCM )); } // Decode 32 bit data words with information from 3 time bins and copy the data fSig[0] = (fDataWord & 0x00000ffc) >> 2; fSig[1] = (fDataWord & 0x003ff000) >> 12; fSig[2] = (fDataWord & 0xffc00000) >> 22; // Print data to screen: AliDebug(5, Form("SM%d L%dS%d: ROB%d MCM=%d ADC=%d (ROW=%d COL=%d): Data %04d %04d %04d\n", fSM, fLAYER, fSTACK, fROB, fMCM, fADC, fROW, fCOL, fSig[0], fSig[1], fSig[2])); } else { fCOL = -1; } return 1; }