--- /dev/null
+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
+///////////////////////////////////////////////////////////////////////////////
+///
+/// This is a base class for reading raw data digits in Altro format.
+/// The class is able to read the RCU v3 and above formats.
+/// The main difference between the format V3 and older ones is in
+/// the coding of the 10-bit Altro payload words. In V3 3 10-bit words
+/// are coded in one 32-bit word. The bits 30 and 31 are used to identify
+/// the payload, altro header and RCU trailer contents.
+///
+///
+/// cvetan.cheshkov@cern.ch 1/04/2009
+///////////////////////////////////////////////////////////////////////////////
+
+#include "AliAltroRawStreamV3.h"
+#include "AliRawReader.h"
+#include "AliLog.h"
+
+ClassImp(AliAltroRawStreamV3)
+
+
+//_____________________________________________________________________________
+AliAltroRawStreamV3::AliAltroRawStreamV3(AliRawReader* rawReader) :
+ fIsShortDataHeader(kFALSE),
+ fDDLNumber(-1),
+ fRCUId(-1),
+ fHWAddress(-1),
+ fRawReader(rawReader),
+ fData(NULL),
+ fPosition(-1),
+ fCount(-1),
+ fStartTimeBin(-1),
+ fBunchLength(-1),
+ fBadChannel(kFALSE),
+ fPayloadSize(-1),
+ fRCUTrailerData(NULL),
+ fRCUTrailerSize(0),
+ fFECERRA(0),
+ fFECERRB(0),
+ fERRREG2(0),
+ fERRREG3(0),
+ fERRREG4(0),
+ fActiveFECsA(0),
+ fActiveFECsB(0),
+ fAltroCFG1(0),
+ fAltroCFG2(0)
+{
+ // Constructor
+ // Create an object to read Altro raw digits in
+ // RCU version 3 and beyond format
+ for(Int_t i = 0; i < kMaxNTimeBins; i++) fBunchData[i] = 0;
+}
+
+//_____________________________________________________________________________
+AliAltroRawStreamV3::~AliAltroRawStreamV3()
+{
+// destructor
+// nothing to do
+}
+
+//_____________________________________________________________________________
+AliAltroRawStreamV3::AliAltroRawStreamV3(const AliAltroRawStreamV3& stream) :
+ TObject(stream),
+ fIsShortDataHeader(stream.fIsShortDataHeader),
+ fDDLNumber(stream.fDDLNumber),
+ fRCUId(stream.fRCUId),
+ fHWAddress(stream.fHWAddress),
+ fRawReader(stream.fRawReader),
+ fData(stream.fData),
+ fPosition(stream.fPosition),
+ fCount(stream.fCount),
+ fStartTimeBin(stream.fStartTimeBin),
+ fBunchLength(stream.fBunchLength),
+ fBadChannel(stream.fBadChannel),
+ fPayloadSize(stream.fPayloadSize),
+ fRCUTrailerData(stream.fRCUTrailerData),
+ fRCUTrailerSize(stream.fRCUTrailerSize),
+ fFECERRA(stream.fFECERRA),
+ fFECERRB(stream.fFECERRB),
+ fERRREG2(stream.fERRREG2),
+ fERRREG3(stream.fERRREG3),
+ fERRREG4(stream.fERRREG4),
+ fActiveFECsA(stream.fActiveFECsA),
+ fActiveFECsB(stream.fActiveFECsB),
+ fAltroCFG1(stream.fAltroCFG1),
+ fAltroCFG2(stream.fAltroCFG2)
+{
+ // Copy constructor
+ // Copy the bunch data array
+ for(Int_t i = 0; i < kMaxNTimeBins; i++) fBunchData[i] = stream.fBunchData[i];
+}
+
+//_____________________________________________________________________________
+AliAltroRawStreamV3& AliAltroRawStreamV3::operator = (const AliAltroRawStreamV3& stream)
+{
+ // assignment operator
+ // ...
+ if(&stream == this) return *this;
+
+ fIsShortDataHeader = stream.fIsShortDataHeader;
+ fDDLNumber = stream.fDDLNumber;
+ fRCUId = stream.fRCUId;
+ fHWAddress = stream.fHWAddress;
+ fRawReader = stream.fRawReader;
+ fData = stream.fData;
+ fPosition = stream.fPosition;
+ fCount = stream.fCount;
+ fStartTimeBin = stream.fStartTimeBin;
+ fBunchLength = stream.fBunchLength;
+ fBadChannel = stream.fBadChannel;
+ fPayloadSize = stream.fPayloadSize;
+ fRCUTrailerData = stream.fRCUTrailerData;
+ fRCUTrailerSize = stream.fRCUTrailerSize;
+ fFECERRA = stream.fFECERRA;
+ fFECERRB = stream.fFECERRB;
+ fERRREG2 = stream.fERRREG2;
+ fERRREG3 = stream.fERRREG3;
+ fERRREG4 = stream.fERRREG4;
+ fActiveFECsA = stream.fActiveFECsA;
+ fActiveFECsB = stream.fActiveFECsB;
+ fAltroCFG1 = stream.fAltroCFG1;
+ fAltroCFG2 = stream.fAltroCFG2;
+
+ for(Int_t i = 0; i < kMaxNTimeBins; i++) fBunchData[i] = stream.fBunchData[i];
+
+ return *this;
+}
+
+//_____________________________________________________________________________
+void AliAltroRawStreamV3::Reset()
+{
+// Complete reset of raw stream params
+// Reset of the raw-reader as well
+
+ fDDLNumber = fRCUId = fHWAddress = -1;
+ fPosition = fCount = -1;
+ fBunchLength = fStartTimeBin = -1;
+ fBadChannel = kFALSE;
+ fPayloadSize = -1;
+
+ fRCUTrailerData = NULL;
+ fRCUTrailerSize = 0;
+
+ fFECERRA = fFECERRB = fERRREG2 = fERRREG3 = fERRREG4 = fActiveFECsA = fActiveFECsB = fAltroCFG1 = fAltroCFG2 = 0;
+
+ if (fRawReader) fRawReader->Reset();
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliAltroRawStreamV3::NextDDL()
+{
+// Read the next DDL payload (CDH + RCU trailer)
+// Updates the information which is coming from these
+// two sources
+
+ fPosition = 0;
+ // Get next DDL payload
+ // return wtih false in case no more data payloads
+ // are found
+ do {
+ if (!fRawReader->ReadNextData(fData)) return kFALSE;
+ } while (fRawReader->GetDataSize() == 0);
+
+ fDDLNumber = fRawReader->GetDDLID();
+
+ UChar_t rcuVer = fRawReader->GetBlockAttributes();
+
+ if (!ReadRCUTrailer(rcuVer)) return kFALSE;
+
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+Bool_t AliAltroRawStreamV3::NextChannel()
+{
+ // Read the next Altro channel from the
+ // raw-data stream
+ // Updates the channel hardware address member and
+ // channel data size. Sets the error flag in case
+ // RCU signals readout error in this channel
+ fCount = -1;
+ fBadChannel = kFALSE;
+
+ UInt_t word = 0;
+ do {
+ word = Get32bitWord(fPosition++);
+ if (fPosition >= fPayloadSize) return kFALSE;
+ }
+ while (((word >> 30) & 0x3) != 1);
+
+ // check for readout errors
+ if ((word >> 29) & 0x1) {
+ fBadChannel = kTRUE;
+ }
+
+ // extract channel payload and hw address
+ if (!fBadChannel) fCount = (word >> 16) & 0x3FF;
+ fHWAddress = word & 0xFFF;
+
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+Bool_t AliAltroRawStreamV3::NextBunch()
+{
+ // Read next altro bunch from the
+ // raw-data stream.
+ // Updates the start/end time-bins
+ // and the array with altro samples
+ fBunchLength = fStartTimeBin = -1;
+
+ if ((fCount <= 0) || fBadChannel) return kFALSE;
+
+ UInt_t word = Get32bitWord(fPosition++);
+ if ((word >> 30) != 0) {
+ // Unexpected end of altro channel payload
+ AliWarning(Form("Unexpected end of payload in altro channel bunch header! Address=0x%x, word=0x%x",
+ fHWAddress,word));
+ fRawReader->AddMinorErrorLog(kAltroPayloadErr,Form("hw=0x%x",fHWAddress));
+ fPosition--;
+ fCount = -1;
+ return kFALSE;
+ }
+ fBunchLength = (word >> 20) & 0x3FF;
+ if (fBunchLength > fCount) {
+ // Too long bunch detected
+ AliWarning(Form("Too long bunch detected in Address=0x%x ! Exptected <= %d 10-bit words, found %d !",
+ fCount,fBunchLength));
+ fRawReader->AddMinorErrorLog(kAltroBunchHeadErr,Form("hw=0x%x",fHWAddress));
+ fCount = fBunchLength = -1;
+ return kFALSE;
+ }
+
+ fCount -= fBunchLength;
+
+ fBunchLength -= 2;
+
+ fStartTimeBin = (word >> 10) & 0x3FF;
+
+ Int_t isample = 0;
+
+ fBunchData[isample++] = word & 0x3FF; // first sample
+
+ Int_t nwords = (fBunchLength+1)/3;
+ for (Int_t iword = 0; iword < nwords; iword++) {
+ word = Get32bitWord(fPosition++);
+ if ((word >> 30) != 0) {
+ // Unexpected end of altro channel payload
+ AliWarning(Form("Unexpected end of payload in altro channel payload! Address=0x%x, word=0x%x",
+ fHWAddress,word));
+ fRawReader->AddMinorErrorLog(kAltroPayloadErr,Form("hw=0x%x",fHWAddress));
+ fCount = -1;
+ fPosition--;
+ return kTRUE;
+ }
+ fBunchData[isample++] = (word >> 20) & 0x3FF;
+ fBunchData[isample++] = (word >> 10) & 0x3FF;
+ fBunchData[isample++] = word & 0x3FF;
+ }
+
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+UInt_t AliAltroRawStreamV3::Get32bitWord(Int_t index) const
+{
+ // This method returns the 32 bit word at a given
+ // position inside the raw data payload.
+ // The 'index' points to the beginning of the word.
+ // The method is supposed to be endian (platform)
+ // independent.
+
+ index = (index << 2);
+ UInt_t word = 0;
+ word |= fData[index++];
+ word |= fData[index++] << 8;
+ word |= fData[index++] << 16;
+ word |= fData[index++] << 24;
+
+ return word;
+}
+
+///_____________________________________________________________________________
+Bool_t AliAltroRawStreamV3::ReadRCUTrailer(UChar_t rcuVer)
+{
+ // Read the RCU trailer according
+ // to the RCU formware version
+ // specified in CDH
+ // Cross-check with version found in the
+ // trailer
+
+ fRCUTrailerData = NULL;
+ fRCUTrailerSize = 0;
+ fPayloadSize = -1;
+
+ Int_t index = fRawReader->GetDataSize()/4;
+
+ // First read 32-bit word with the
+ // trailer size (7 bits), RCU ID (9 bits) and
+ // RCU firmware version (8 bits?)
+ // The two major bit should be 11 (identifies
+ // the end of the trailer)
+ UInt_t word = Get32bitWord(--index);
+
+ if ((word >> 30) != 3) {
+ fRawReader->AddFatalErrorLog(kRCUTrailerErr,"");
+ AliError("Last RCU trailer word not found!");
+ return kFALSE;
+ }
+
+ UChar_t ver = (word >> 16) & 0xFF;
+ if (ver != rcuVer) {
+ // Wrong RCU firmware version detected
+ fRawReader->AddMajorErrorLog(kRCUVerErr,Form("%d!=%d",
+ ver,rcuVer));
+ AliDebug(1,Form("Wrong RCU firmware version detected: %d != %d",
+ ver,rcuVer));
+ }
+
+ fRCUId = (Int_t)((word >> 7) & 0x1FF);
+ Int_t trailerSize = (word & 0x7F);
+
+ // Now read the beginning of the trailer
+ // where the payload size is written
+ if (trailerSize < 2) {
+ fRawReader->AddMajorErrorLog(kRCUTrailerErr,Form("tr=%d bytes",
+ trailerSize*4));
+ AliWarning(Form("Invalid trailer size found (%d bytes) !",
+ trailerSize*4));
+ return kFALSE;
+ }
+
+ trailerSize -= 2;
+ fRCUTrailerSize = trailerSize*4;
+
+ for (; trailerSize > 0; trailerSize--) {
+ word = Get32bitWord(--index);
+ if ((word >> 30) != 2) {
+ fRawReader->AddMinorErrorLog(kRCUTrailerErr,"missing 10");
+ AliWarning("Missing RCU trailer identifier pattern!");
+ continue;
+ }
+ Int_t parCode = (word >> 26) & 0xF;
+ Int_t parData = word & 0x3FFFFFF;
+ switch (parCode) {
+ case 1:
+ // ERR_REG1
+ fFECERRA = ((parData >> 13) & 0x1FFF) << 7;
+ fFECERRB = ((parData & 0x1FFF)) << 7;
+ break;
+ case 2:
+ // ERR_REG2
+ fERRREG2 = parData & 0x1FF;
+ break;
+ case 3:
+ // ERR_REG3
+ fERRREG3 = parData & 0xFFF;
+ break;
+ case 4:
+ // ERR_REG4
+ fERRREG4 = parData & 0xFFF;
+ break;
+ case 5:
+ // FEC_RO_A
+ fActiveFECsA = parData & 0xFFFF;
+ break;
+ case 6:
+ // FEC_RO_B
+ fActiveFECsB = parData & 0xFFFF;
+ break;
+ case 7:
+ // RDO_CFG1
+ fAltroCFG1 = parData & 0xFFFFF;
+ break;
+ case 8:
+ // RDO_CFG2
+ fAltroCFG2 = parData & 0x1FFFFFF;
+ break;
+ default:
+ fRawReader->AddMinorErrorLog(kRCUTrailerErr,"undef word");
+ AliWarning(Form("Undefined parameter code %d, ignore it !",
+ parCode));
+ break;
+ }
+ }
+
+ if (index < 1) {
+ fRawReader->AddMajorErrorLog(kRCUTrailerErr,Form("tr=%d raw=%d bytes",
+ fRCUTrailerSize+8,
+ fRawReader->GetDataSize()));
+ AliWarning(Form("Invalid trailer size found (%d bytes) ! The size is bigger than the raw data size (%d bytes)!",
+ fRCUTrailerSize,
+ fRawReader->GetDataSize()));
+ }
+
+ fRCUTrailerData = fData + index*4;
+
+ // Now read the payload size
+ // (First word in the RCU trailer)
+ fPayloadSize = Get32bitWord(--index) & 0x3FFFFFF;
+
+ if ((fRawReader->GetDataSize() - fRCUTrailerSize - 8) != (fPayloadSize*4)) {
+ fRawReader->AddMajorErrorLog(kRCUTrailerSizeErr,Form("h=%d tr=%d rcu=%d bytes",
+ fRawReader->GetDataSize(),
+ fRCUTrailerSize+8,
+ fPayloadSize*4));
+ AliWarning(Form("Inconsistent raw data size ! Raw data size - %d bytes (from CDH), RCU trailer - %d bytes, raw data size (from RCU trailer) - %d bytes !",
+ fRawReader->GetDataSize(),
+ fRCUTrailerSize+8,
+ fPayloadSize*4));
+ }
+
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+Int_t AliAltroRawStreamV3::GetBranch() const
+{
+ // The method provides the RCU branch index (0 or 1)
+ // for the current hardware address.
+ // In case the hardware address has not been yet
+ // initialized, the method returns -1
+ if (fHWAddress == -1) return -1;
+
+ return ((fHWAddress >> 11) & 0x1);
+}
+
+//_____________________________________________________________________________
+Int_t AliAltroRawStreamV3::GetFEC() const
+{
+ // The method provides the front-end card index
+ // for the current hardware address.
+ // In case the hardware address has not been yet
+ // initialized, the method returns -1
+ if (fHWAddress == -1) return -1;
+
+ return ((fHWAddress >> 7) & 0xF);
+}
+
+//_____________________________________________________________________________
+Int_t AliAltroRawStreamV3::GetAltro() const
+{
+ // The method provides the altro chip index
+ // for the current hardware address.
+ // In case the hardware address has not been yet
+ // initialized, the method returns -1
+ if (fHWAddress == -1) return -1;
+
+ return ((fHWAddress >> 4) & 0x7);
+}
+
+//_____________________________________________________________________________
+Int_t AliAltroRawStreamV3::GetChannel() const
+{
+ // The method provides the channel index
+ // for the current hardware address.
+ // In case the hardware address has not been yet
+ // initialized, the method returns -1
+ if (fHWAddress == -1) return -1;
+
+ return (fHWAddress & 0xF);
+}
+
+//_____________________________________________________________________________
+Bool_t AliAltroRawStreamV3::GetRCUTrailerData(UChar_t*& data) const
+{
+ // Return a pointer to the RCU trailer
+ // data. Should be called always after
+ // the RCU trailer was already processed
+ // in the GetPosition() method
+ if (!fRCUTrailerSize || !fRCUTrailerData) {
+ AliError("No valid RCU trailer data is found !");
+ data = NULL;
+ return kFALSE;
+ }
+
+ data = fRCUTrailerData;
+
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+void AliAltroRawStreamV3::PrintRCUTrailer() const
+{
+ // Prints the contents of
+ // the RCU trailer data
+ printf("RCU trailer:\n===========\n");
+ printf("FECERRA: 0x%x\nFECERRB: 0x%x\n",fFECERRA,fFECERRB);
+ printf("ERRREG2: 0x%x\n",fERRREG2);
+ printf("#channels skipped due to address mismatch: %d\n",GetNChAddrMismatch());
+ printf("#channels skipped due to bad block length: %d\n",GetNChLengthMismatch());
+ printf("Active FECs (branch A): 0x%x\nActive FECs (branch B): 0x%x\n",fActiveFECsA,fActiveFECsB);
+ printf("Baseline corr: 0x%x\n",GetBaselineCorr());
+ printf("Number of presamples: %d\nNumber of postsamples: %d\n",GetNPresamples(),GetNPostsamples());
+ printf("Second baseline corr: %d\n",GetSecondBaselineCorr());
+ printf("GlitchFilter: %d\n",GetGlitchFilter());
+ printf("Number of non-ZS postsamples: %d\nNumber of non-ZS presamples: %d\n",GetNNonZSPostsamples(),GetNNonZSPresamples());
+ printf("Number of ALTRO buffers: %d\n",GetNAltroBuffers());
+ printf("Number of pretrigger samples: %d\n",GetNPretriggerSamples());
+ printf("Number of samples per channel: %d\n",GetNSamplesPerCh());
+ printf("Sparse readout: %d\n",GetSparseRO());
+ printf("Sampling time: %e s\n",GetTSample());
+ printf("L1 Phase: %e s\n",GetL1Phase());
+ printf("AltroCFG1: 0x%x\nAltroCFG2: 0x%x\n",GetAltroCFG1(),GetAltroCFG2());
+ printf("===========\n");
+}
+
+//_____________________________________________________________________________
+void AliAltroRawStreamV3::SelectRawData(Int_t detId)
+{
+ // Select the raw data for specific
+ // detector id
+ AliDebug(1,Form("Selecting raw data for detector %d",detId));
+ fRawReader->Select(detId);
+}
+
+//_____________________________________________________________________________
+void AliAltroRawStreamV3::SelectRawData(const char *detName)
+{
+ // Select the raw data for specific
+ // detector name
+ AliDebug(1,Form("Selecting raw data for detector %s",detName));
+ fRawReader->Select(detName);
+}
+
+//_____________________________________________________________________________
+Double_t AliAltroRawStreamV3::GetTSample() const
+{
+ // Returns the sampling time
+ // in seconds. In case the rcu trailer
+ // was note read, return an invalid number (0)
+
+ if (!fRCUTrailerData) return 0.;
+
+ const Double_t kLHCTimeSample = 25.0e-9; // LHC clocks runs at 40 MHz
+ UChar_t fq = (fAltroCFG2 >> 5) & 0xF;
+ Double_t tSample;
+ switch (fq) {
+ case 0:
+ // 20 MHz
+ tSample = 2.0*kLHCTimeSample;
+ break;
+ case 1:
+ // 10 Mhz
+ tSample = 4.0*kLHCTimeSample;
+ break;
+ case 2:
+ // 5 MHz
+ tSample = 8.0*kLHCTimeSample;
+ break;
+ default:
+ AliWarning(Form("Invalid sampling frequency value %d !",
+ fq));
+ tSample = 0.;
+ break;
+ }
+
+ return tSample;
+}
+
+//_____________________________________________________________________________
+Double_t AliAltroRawStreamV3::GetL1Phase() const
+{
+ // Returns the L1 phase w.r.t to the
+ // LHC clock
+ if (!fRCUTrailerData) return 0.;
+
+ const Double_t kLHCTimeSample = 25.0e-9; // LHC clocks runs at 40 MHz
+ Double_t phase = ((Double_t)(fAltroCFG2 & 0x1F))*kLHCTimeSample;
+
+ Double_t tSample = GetTSample();
+ if (phase >= tSample) {
+ AliWarning(Form("Invalid L1 trigger phase (%f >= %d) !",
+ phase,tSample));
+ phase = 0.;
+ }
+
+ return phase;
+}
+
+//_____________________________________________________________________________
+void AliAltroRawStreamV3::AddMappingErrorLog(const char *message)
+{
+ // Signal a mapping error
+ // The method can be used by the TPC,PHOS,EMCAL,FMD raw stream
+ // classes in order to log an error related to bad altro mapping
+
+ if (fRawReader) fRawReader->AddMinorErrorLog(kBadAltroMapping,message);
+}
--- /dev/null
+#ifndef ALIALTRORAWSTREAMV3_H
+#define ALIALTRORAWSTREAMV3_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+///////////////////////////////////////////////////////////////////////////////
+///
+/// This is a base class for reading raw data digits in Altro format.
+/// The class is able to read the RCU v3 and above formats.
+/// The main difference between the format V3 and older ones is in
+/// the coding of the 10-bit Altro payload words. In V3 3 10-bit words
+/// are coded in one 32-bit word. The bits 30 and 31 are used to identify
+/// the payload, altro header and RCU trailer contents.
+///
+///
+/// cvetan.cheshkov@cern.ch 1/04/2009
+///////////////////////////////////////////////////////////////////////////////
+
+#include <TObject.h>
+
+class AliRawReader;
+
+class AliAltroRawStreamV3: public TObject {
+ public :
+ AliAltroRawStreamV3(AliRawReader* rawReader);
+ virtual ~AliAltroRawStreamV3();
+
+ AliAltroRawStreamV3& operator = (const AliAltroRawStreamV3& stream);
+ AliAltroRawStreamV3(const AliAltroRawStreamV3& stream);
+
+ void SelectRawData(Int_t detId); // Select raw data for specific detector id
+ void SelectRawData(const char *detName); // Select raw data for specific detector name
+
+ virtual void Reset(); // Reset the raw-stream object
+
+ virtual Bool_t NextDDL(); // Iterate over DDLs/RCUs
+ virtual Bool_t NextChannel(); // Iterate over altro channels
+ virtual Bool_t NextBunch(); // Iterate over altro bunches
+
+ Int_t GetDDLNumber() const { return fDDLNumber; } // Provide current DDL number
+ Int_t GetHWAddress() const { return fHWAddress; } // Provide current hardware address
+ Int_t GetRCUId() const { return fRCUId; } // Provide current RCU identifier
+
+ UInt_t GetStartTimeBin() const { return fStartTimeBin; } // Provide the index if the first time-bin in current bunch
+ UInt_t GetEndTimeBin() const { return fStartTimeBin+fBunchLength-1; } // Provide the index of the last time-bin in current bunch
+ Int_t GetBunchLength() const { return fBunchLength; } // Provide the current bunch length
+ const UShort_t* GetSignals() const { return fBunchData; } // Provide access to altro data itself
+ Bool_t IsChannelBad() const { return fBadChannel; } // Is the channel data bad or not
+
+
+ Int_t GetBranch() const; // Provide the branch index for the current hardware address
+ Int_t GetFEC() const; // Provide the front-end card index for the current hardware address
+ Int_t GetAltro() const; // Provide the altro chip index for the current hardware address
+ Int_t GetChannel() const; // Provide the channel index for the current hardware address
+
+ Bool_t GetRCUTrailerData(UChar_t*& data) const; // Provide a pointer to RCU trailer
+ Int_t GetRCUTrailerSize() const { return fRCUTrailerSize; } // Provide size of RCU trailer
+
+ // RCU trailer related getters
+ UInt_t GetFECERRA() const { return fFECERRA; }
+ UInt_t GetFECERRB() const { return fFECERRB; }
+ UShort_t GetERRREG2() const { return fERRREG2; }
+ UShort_t GetNChAddrMismatch() const { return fERRREG3; }
+ UShort_t GetNChLengthMismatch() const { return fERRREG4; }
+
+ UShort_t GetActiveFECsA() const { return fActiveFECsA; }
+ UShort_t GetActiveFECsB() const { return fActiveFECsB; }
+
+ UInt_t GetAltroCFG1() const { return fAltroCFG1; }
+ UChar_t GetBaselineCorr() const { return fAltroCFG1 & 0xF; }
+ Bool_t GetPolarity() const { return (fAltroCFG1 >> 4) & 0x1; }
+ UChar_t GetNPresamples() const { return (fAltroCFG1 >> 5) & 0x3; }
+ UChar_t GetNPostsamples() const { return (fAltroCFG1 >> 7) & 0xF; }
+ Bool_t GetSecondBaselineCorr() const { return (fAltroCFG1 >> 11) & 0x1; }
+ UChar_t GetGlitchFilter() const { return (fAltroCFG1 >> 12) & 0x3; }
+ UChar_t GetNNonZSPostsamples() const { return (fAltroCFG1 >> 14) & 0x7; }
+ UChar_t GetNNonZSPresamples() const { return (fAltroCFG1 >> 17) & 0x3; }
+ Bool_t GetZeroSupp() const { return (fAltroCFG1 >> 19) & 0x1; }
+
+ UInt_t GetAltroCFG2() const { return fAltroCFG2; }
+ Bool_t GetNAltroBuffers() const { return (fAltroCFG2 >> 24) & 0x1; }
+ UChar_t GetNPretriggerSamples() const{ return (fAltroCFG2 >> 20) & 0xF; }
+ UShort_t GetNSamplesPerCh() const { return (fAltroCFG2 >> 10) & 0x3FF; }
+ Bool_t GetSparseRO() const { return (fAltroCFG2 >> 9) & 0x1; }
+ Double_t GetTSample() const;
+ Double_t GetL1Phase() const;
+ void PrintRCUTrailer() const;
+
+ void SetShortDataHeader(Bool_t flag) { fIsShortDataHeader = flag; } // Specify whenever to assume or not a short CDH format
+
+ enum EAltroRawStreamV3Error {
+ kRCUTrailerErr = 1,
+ kRCUVerErr = 2,
+ kRCUTrailerSizeErr = 3,
+ kAltroBunchHeadErr = 4,
+ kBunchLengthErr = 5,
+ kAltroPayloadErr = 6,
+ kBadAltroMapping = 7
+ };
+
+ enum {kMaxNTimeBins = 1024};
+
+ protected:
+
+ void AddMappingErrorLog(const char *message = NULL);
+
+ Bool_t fIsShortDataHeader; // flag used to select between normal and short CDH format
+
+ private:
+
+ UInt_t Get32bitWord(Int_t index) const;
+ Bool_t ReadRCUTrailer(UChar_t rcuVer);
+
+ Int_t fDDLNumber; // index of current DDL number
+ Int_t fRCUId; // current RCU identifier
+ Short_t fHWAddress; // current hardware address
+
+ AliRawReader* fRawReader; // object for reading the raw data
+
+ UChar_t* fData; // raw data
+
+ Int_t fPosition; // current position (32-bit words) in fData
+ Int_t fCount; //
+ Int_t fStartTimeBin; //
+ Int_t fBunchLength; //
+
+ Bool_t fBadChannel; //
+ Int_t fPayloadSize; //
+
+ UShort_t fBunchData[kMaxNTimeBins]; // cache for the bunch data - altro samples
+
+ UChar_t* fRCUTrailerData; // pointer to RCU trailer data
+ Int_t fRCUTrailerSize; // size of RCU trailer data in bytes
+
+ // RCU trailer contents
+ UInt_t fFECERRA; // contains errors related to ALTROBUS transactions
+ UInt_t fFECERRB; // contains errors related to ALTROBUS transactions
+ UShort_t fERRREG2; // contains errors related to ALTROBUS transactions or trailer of ALTRO channel block
+ UShort_t fERRREG3; // contains number of altro channels skipped due to an address mismatch
+ UShort_t fERRREG4; // contains number of altro channels skipped due to a block length mismatch
+ UShort_t fActiveFECsA; // bit pattern of active FECs in branch A
+ UShort_t fActiveFECsB; // bit pattern of active FECs in branch B
+ UInt_t fAltroCFG1; // ALTROCFG1 register
+ UInt_t fAltroCFG2; // ALTROCFG2 and ALTROIF registers
+
+ ClassDef(AliAltroRawStreamV3, 0) // base class for reading Altro raw digits
+};
+
+#endif
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff