///
/// This is a class for reading the VZERO DDL raw data
/// The format of the raw data corresponds to the one
-/// implemented in AliVZEROBuffer class.
+/// implemented in AliVZEROBuffer class.
///
///////////////////////////////////////////////////////////////////////////////
//_____________________________________________________________________________
AliVZERORawStream::AliVZERORawStream(AliRawReader* rawReader) :
- fCell(-1),
- fADC(-1),
- fTime(-1),
+ fTrigger(0),
+ fTriggerMask(0),
fPosition(-1),
fRawReader(rawReader),
fData(NULL)
fRawReader->Reset();
AliDebug(1,Form("Selecting raw data for detector %d",AliDAQ::DetectorID("VZERO")));
fRawReader->Select("VZERO");
+
+ // Initalize the containers
+ for(Int_t i = 0; i < kNChannels; i++) {
+ fTime[i] = fWidth[i] = 0;
+ for(Int_t j = 0; j < kNEvOfInt; j++) {
+ fADC[i][j] = 0;
+ fIsInt[i][j] = fIsBB[i][j] = fIsBG[i][j] = kFALSE;
+ }
+ fBBScalers[i] = fBGScalers[i] = 0;
+ for(Int_t j = 0; j < kNBunches; j++) {
+ fChargeMB[i][j] = 0;
+ fIsIntMB[i][j] = fIsBBMB[i][j] = fIsBGMB[i][j] = kFALSE;
+ }
+ }
+ for(Int_t i = 0; i < kNScalers; i++) fScalers[i] = 0;
+ for(Int_t i = 0; i < kNBunches; i++) fBunchNumbers[i] = 0;
}
//_____________________________________________________________________________
{
// reset raw stream params
- fCell = fADC = fTime = fPosition = -1;
+ // Reinitalize the containers
+ for(Int_t i = 0; i < kNChannels; i++) {
+ fTime[i] = fWidth[i] = 0;
+ for(Int_t j = 0; j < kNEvOfInt; j++) {
+ fADC[i][j] = 0;
+ fIsInt[i][j] = fIsBB[i][j] = fIsBG[i][j] = kFALSE;
+ }
+ fBBScalers[i] = fBGScalers[i] = 0;
+ for(Int_t j = 0; j < kNBunches; j++) {
+ fChargeMB[i][j] = 0;
+ fIsIntMB[i][j] = fIsBBMB[i][j] = fIsBGMB[i][j] = kFALSE;
+ }
+ }
+ for(Int_t i = 0; i < kNScalers; i++) fScalers[i] = 0;
+ for(Int_t i = 0; i < kNBunches; i++) fBunchNumbers[i] = 0;
+
+ fTrigger = fTriggerMask = 0;
+ fPosition = -1;
+ fData = NULL;
if (fRawReader) fRawReader->Reset();
}
// read next digit from the VZERO raw data stream
// return kFALSE in case of error or no digits left
- if (fPosition < 0) {
- if (!fRawReader->ReadNextData(fData)) return kFALSE;
- if (fRawReader->GetDataSize()%3 != 0) {
- fRawReader->AddFatalErrorLog(kRawDataSizeErr,Form("size %d != n*12",fRawReader->GetDataSize()));
- AliWarning(Form("Wrong VZERO raw data size: %d, expected n*12 bytes!",fRawReader->GetDataSize()));
- return kFALSE;
- }
- fPosition = 0;
- }
-
- if (fPosition >= fRawReader->GetDataSize()) return kFALSE;
+ if (fPosition >= 0) return kFALSE;
- fCell = GetNextWord();
- fADC = GetNextWord();
- fTime = GetNextWord();
+ if (!fRawReader->ReadNextData(fData)) return kFALSE;
+ if (fRawReader->GetDataSize() == 0) return kFALSE;
+
+ if (fRawReader->GetDataSize() != 5936) {
+ fRawReader->AddFatalErrorLog(kRawDataSizeErr,Form("size %d != 5936",fRawReader->GetDataSize()));
+ AliWarning(Form("Wrong VZERO raw data size: %d, expected 5936 bytes!",fRawReader->GetDataSize()));
+ return kFALSE;
+ }
+ fPosition = 0;
+
+ fTrigger = GetNextWord() & 0xffff;
+ fTriggerMask = GetNextWord() & 0xffff;
+
+ for(Int_t iScaler = 0; iScaler < kNScalers; iScaler++)
+ fScalers[iScaler] = GetNextWord();
+
+ for(Int_t iBunch = 0; iBunch < kNBunches; iBunch++)
+ fBunchNumbers[iBunch] = GetNextWord();
+
+ for (Int_t iCIU = 0; iCIU < 8; iCIU++) {
+
+ // decoding of one Channel Interface Unit numbered iCIU - there are 8 channels per CIU (and 8 CIUs) :
+
+ for (Int_t iChannel_Offset = iCIU*8; iChannel_Offset < (iCIU*8)+8; iChannel_Offset=iChannel_Offset+4) {
+ for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) {
+ for(Int_t iEvOfInt = 0; iEvOfInt < kNEvOfInt; iEvOfInt++) {
+ UShort_t data = GetNextShort();
+ fADC[iChannel][iEvOfInt] = data & 0x3ff;
+ fIsInt[iChannel][iEvOfInt] = (data >> 10) & 0x1;
+ }
+ }
+ for(Int_t iEvOfInt = 0; iEvOfInt < kNEvOfInt; iEvOfInt=iEvOfInt+2) {
+ UShort_t data = GetNextShort();
+ for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) {
+ fIsBB[iChannel][iEvOfInt] = (data >> 2*(iChannel-iChannel_Offset)) & 0x1;
+ fIsBG[iChannel][iEvOfInt] = (data >> 2*(iChannel-iChannel_Offset)+1) & 0x1;
+ if(iEvOfInt < (kNEvOfInt - 1)) {
+ fIsBB[iChannel][iEvOfInt+1] = (data >> (8+ 2*(iChannel-iChannel_Offset))) & 0x1;
+ fIsBG[iChannel][iEvOfInt+1] = (data >> (8+ 2*(iChannel-iChannel_Offset)+1)) & 0x1;
+ }
+ }
+ }
+
+ GetNextShort();
+
+ for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) {
+ for(Int_t iBunch = 0; iBunch < kNBunches; iBunch++) {
+ UShort_t data = GetNextShort();
+ fChargeMB[iChannel][iBunch] = data & 0x3ff;
+ fIsIntMB[iChannel][iBunch] = (data >> 10) & 0x1;
+ }
+ }
+
+ for(Int_t iBunch = 0; iBunch < kNBunches; iBunch=iBunch+2) {
+ UShort_t data = GetNextShort();
+ for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) {
+ fIsBBMB[iChannel][iBunch] = (data >> 2*iBunch) & 0x1;
+ fIsBGMB[iChannel][iBunch] = (data >> 2*iBunch+1) & 0x1;
+ if(iBunch < (kNBunches - 1)) {
+ fIsBBMB[iChannel][iBunch+1] = (data >> (8+2*iBunch)) & 0x1;
+ fIsBGMB[iChannel][iBunch+1] = (data >> (8+2*iBunch+1)) & 0x1;
+ }
+ }
+ }
+
+ GetNextShort();
+
+ for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) {
+ fBBScalers[iChannel] = ((ULong64_t)GetNextWord()) << 32;
+ fBBScalers[iChannel] |= GetNextWord();
+ fBGScalers[iChannel] = ((ULong64_t)GetNextWord()) << 32;
+ fBGScalers[iChannel] |= GetNextWord();
+ }
+
+ }
+
+ for(Int_t iChannel = iCIU*8; iChannel < (iCIU*8) + 8; iChannel++) {
+ UInt_t time = GetNextWord();
+ fTime[iChannel] = time & 0xfff;
+ fWidth[iChannel] = (time >> 12) & 0x7f; // HPTDC used in pairing mode
+ }
+
+ // End of decoding of one CIU card
+ // printf("Number of bytes used at end of reading CIU card number %d %d \n\n", iCIU+1, fPosition);
+
+ } // end of decoding the eight CIUs
+
return kTRUE;
}
//_____________________________________________________________________________
-Int_t AliVZERORawStream::GetNextWord()
+UInt_t AliVZERORawStream::GetNextWord()
{
// This method returns the next 32 bit word
// inside the raw data payload.
// independent.
if (!fData || fPosition < 0) AliFatal("Raw data payload buffer is not yet initialized !");
- Int_t word = 0;
+ UInt_t word = 0;
word |= fData[fPosition++];
word |= fData[fPosition++] << 8;
word |= fData[fPosition++] << 16;
return word;
}
+
+//_____________________________________________________________________________
+UShort_t AliVZERORawStream::GetNextShort()
+{
+ // This method returns the next 16 bit word
+ // inside the raw data payload.
+ // The method is supposed to be endian (platform)
+ // independent.
+ if (!fData || fPosition < 0) AliFatal("Raw data payload buffer is not yet initialized !");
+
+ UShort_t word = 0;
+ word |= fData[fPosition++];
+ word |= fData[fPosition++] << 8;
+
+ return word;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff