#include "AliAltroRawStream.h"
#include "AliRawReader.h"
#include "AliLog.h"
+#include "AliRawEventHeaderBase.h"
ClassImp(AliAltroRawStream)
//_____________________________________________________________________________
AliAltroRawStream::AliAltroRawStream(AliRawReader* rawReader) :
- fNoAltroMapping(kTRUE),
fIsShortDataHeader(kFALSE),
fDDLNumber(-1),
fPrevDDLNumber(-1),
fData(NULL),
fPosition(0),
fCount(0),
+ fChannelPayloadSize(-1),
fBunchLength(0),
fRCUTrailerData(NULL),
fRCUTrailerSize(0),
fAltroCFG2(0)
{
// create an object to read Altro raw digits
- fSegmentation[0] = fSegmentation[1] = fSegmentation[2] = -1;
}
//_____________________________________________________________________________
AliAltroRawStream::AliAltroRawStream(const AliAltroRawStream& stream) :
TObject(stream),
- fNoAltroMapping(stream.fNoAltroMapping),
fIsShortDataHeader(stream.fIsShortDataHeader),
fDDLNumber(stream.fDDLNumber),
fPrevDDLNumber(stream.fPrevDDLNumber),
fData(stream.fData),
fPosition(stream.fPosition),
fCount(stream.fCount),
+ fChannelPayloadSize(stream.fChannelPayloadSize),
fBunchLength(stream.fBunchLength),
fRCUTrailerData(stream.fRCUTrailerData),
fRCUTrailerSize(stream.fRCUTrailerSize),
fAltroCFG1(stream.fAltroCFG1),
fAltroCFG2(stream.fAltroCFG2)
{
- fSegmentation[0] = stream.fSegmentation[0];
- fSegmentation[1] = stream.fSegmentation[1];
- fSegmentation[2] = stream.fSegmentation[2];
}
//_____________________________________________________________________________
{
if(&stream == this) return *this;
- fNoAltroMapping = stream.fNoAltroMapping;
fIsShortDataHeader = stream.fIsShortDataHeader;
fDDLNumber = stream.fDDLNumber;
fPrevDDLNumber = stream.fPrevDDLNumber;
fData = stream.fData;
fPosition = stream.fPosition;
fCount = stream.fCount;
+ fChannelPayloadSize= stream.fChannelPayloadSize;
fBunchLength = stream.fBunchLength;
fRCUTrailerData = stream.fRCUTrailerData;
fRCUTrailerSize = stream.fRCUTrailerSize;
fAltroCFG1 = stream.fAltroCFG1;
fAltroCFG2 = stream.fAltroCFG2;
- fSegmentation[0] = stream.fSegmentation[0];
- fSegmentation[1] = stream.fSegmentation[1];
- fSegmentation[2] = stream.fSegmentation[2];
-
return *this;
}
// reset altro raw stream params
fPosition = fCount = fBunchLength = 0;
+ fChannelPayloadSize = -1;
fRCUTrailerData = NULL;
fRCUTrailerSize = 0;
fDDLNumber = fPrevDDLNumber = fRCUId = fPrevRCUId = fHWAddress = fPrevHWAddress = fTime = fPrevTime = fSignal = fTimeBunch = -1;
if (fRawReader) fRawReader->Reset();
-
- fSegmentation[0] = fSegmentation[1] = fSegmentation[2] = -1;
}
//_____________________________________________________________________________
return kTRUE;
}
+//_____________________________________________________________________________
+Bool_t AliAltroRawStream::NextDDL(UChar_t *data)
+{
+ if (!data) {
+ do {
+ if (!fRawReader->ReadNextData(fData)) return kFALSE;
+ } while (fRawReader->GetDataSize() == 0);
+ }
+ else {
+ fData = data;
+ }
+
+ fDDLNumber = fRawReader->GetDDLID();
+ fChannelPayloadSize = -1;
+ fPosition = GetPosition();
+
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+Bool_t AliAltroRawStream::NextChannel()
+{
+ if (fPosition <= 0) return kFALSE;
+
+ ReadTrailer();
+
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+Bool_t AliAltroRawStream::NextBunch(UShort_t *bunchData,
+ Int_t &bunchLength,
+ Int_t &startTimeBin)
+{
+ if (fCount == 0) return kFALSE;
+
+ ReadBunch();
+ bunchLength = fTimeBunch;
+ startTimeBin = fTime;
+
+ while (fBunchLength > 0) {
+ ReadAmplitude();
+ bunchData[bunchLength-fBunchLength-1] = fSignal;
+ }
+
+ return kTRUE;
+}
+
//_____________________________________________________________________________
void AliAltroRawStream::SelectRawData(Int_t detId)
{
Bool_t AliAltroRawStream::ReadTrailer()
{
//Read a trailer of 40 bits in the backward reading mode
- //In case of no mapping is provided, read a dummy trailer
- if (fNoAltroMapping) {
- AliError("No ALTRO mapping information is loaded! Reading a dummy trailer!");
- return ReadDummyTrailer();
- }
-
//First reading filling words
UShort_t temp;
Int_t nFillWords = 0;
return kFALSE;
}
fCount |= ((temp & 0x3FF) >> 6);
+ fChannelPayloadSize = fCount;
if (fCount >= fPosition) {
fRawReader->AddMajorErrorLog(kAltroTrailerErr,"invalid size");
return kTRUE;
}
-//_____________________________________________________________________________
-Bool_t AliAltroRawStream::ReadDummyTrailer()
-{
- //Read a trailer of 40 bits in the backward reading mode
- //In case of no mapping is provided, read a dummy trailer
- UShort_t temp;
- while ((temp = GetNextWord()) == 0x2AA) { };
-
- fSegmentation[0] = temp;
- fSegmentation[1] = GetNextWord();
- fSegmentation[2] = GetNextWord();
- fCount = GetNextWord();
- if (fCount == 0) return kFALSE;
- fHWAddress = -1;
-
- fPosition -= (4 - (fCount % 4)) % 4; // skip fill words
-
- return kTRUE;
-}
-
//_____________________________________________________________________________
void AliAltroRawStream::ReadBunch()
{
}
Int_t position = ReadRCUTrailer(index,trailerSize);
- // The size is specified in a number of 40bits
- // Therefore we need to transform it to number of bytes
- position *= 5;
+ if (fRawReader->GetType() != AliRawEventHeaderBase::kStartOfData) {
+ // The size is specified in a number of 40bits
+ // Therefore we need to transform it to number of bytes
+ position *= 5;
- // Check the consistency of the header and trailer
- if (((fRawReader->GetDataSize() - trailerSize*4) < position) ||
- ((fRawReader->GetDataSize() - trailerSize*4) >= (position + 4))) {
- fRawReader->AddMajorErrorLog(kRCUTrailerSizeErr,Form("h=%d tr=%d rcu=%d bytes",
- fRawReader->GetDataSize(),
- trailerSize*4,
- position));
- AliWarning(Form("Inconsistent raw data size ! Raw data size - %d bytes (from the header), RCU trailer - %d bytes, raw data paylod - %d bytes !",
- fRawReader->GetDataSize(),
- trailerSize*4,
- position));
- position = fRawReader->GetDataSize() - trailerSize*4;
- }
+ // Check the consistency of the header and trailer
+ if (((fRawReader->GetDataSize() - trailerSize*4) < position) ||
+ ((fRawReader->GetDataSize() - trailerSize*4) >= (position + 4))) {
+ fRawReader->AddMajorErrorLog(kRCUTrailerSizeErr,Form("h=%d tr=%d rcu=%d bytes",
+ fRawReader->GetDataSize(),
+ trailerSize*4,
+ position));
+ AliWarning(Form("Inconsistent raw data size ! Raw data size - %d bytes (from the header), RCU trailer - %d bytes, raw data paylod - %d bytes !",
+ fRawReader->GetDataSize(),
+ trailerSize*4,
+ position));
+ position = fRawReader->GetDataSize() - trailerSize*4;
+ }
- return position * 8 / 10;
+ return position * 8 / 10;
+ }
+ else {
+ // Special RCU payload in case of SOD events
+ // The decoding is left to the user code
+ // Here we just retrieve the payload size
+ return position;
+ }
}
else {
// In case of the Old RCU trailer format
if (fRawReader) fRawReader->AddMinorErrorLog(kBadAltroMapping,message);
}
+
+//_____________________________________________________________________________
+Int_t AliAltroRawStream::GetRCUPayloadSizeInSOD() const
+{
+ // Get the size of the RCU data in case
+ // of SOD events
+ if (fRawReader) {
+ if (fRawReader->GetType() == AliRawEventHeaderBase::kStartOfData) {
+ return fPosition;
+ }
+ }
+ return -1;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff