#include "AliSTARTRawReader.h"
#include "AliSTARTRawData.h"
-#include "AliRawReaderFile.h"
#include "AliSTARTdigit.h"
+#include "AliBitPacking.h"
+#include "TBits.h"
#include <Riostream.h>
#include "TMath.h"
AliSTARTRawReader::AliSTARTRawReader (AliRawReader *rawReader, TTree* tree)
: TTask("STARTRawReader","read raw START data"),
+ fDigits(NULL),
fTree(tree),
- fRawReader(rawReader)
+ fRawReader(rawReader),
+ fData(NULL),
+ fPosition(0)
{
//
// create an object to read STARTraw digits
AliDebug(1,"Start ");
-
+ if (fDigits == 0x0) fDigits = new AliSTARTdigit();
+ fTree->Branch("START","AliSTARTdigit",&fDigits,405,1);
+
+ fRawReader->Reset();
+ fRawReader->Select("START");
+
}
AliSTARTRawReader::~AliSTARTRawReader ()
{
//
}
-//------------------------------------------------------------------------------------------------
-UInt_t AliSTARTRawReader::UnpackWord(UInt_t packedWord, Int_t startBit, Int_t stopBit)
-{
- //This method unpacks a words of StopBit-StartBit+1 bits starting from "StopBits"
- UInt_t word;
- UInt_t offSet;
- Int_t length;
- length=stopBit-startBit+1;
- offSet=(UInt_t)TMath::Power(2,length)-1;
- offSet<<=startBit;
- word=packedWord&offSet;
- word>>=startBit;
- return word;
-}
-//---------------------------------------------------------------------------------------
-void AliSTARTRawReader::NextThing()
+Bool_t AliSTARTRawReader::Next()
{
// read the next raw digit
// returns kFALSE if there is no digit left
- UInt_t word, unpackword;
- Int_t time, adc, pmt;
+//"LookUpTable":
+// Amplitude LED TRM=0; chain=0; TDC 0 -5 channel 0,2,4,6
+// Time CFD TRM=0; chain=0; TDC 6 - 11 channel 0,2,4,6
+// mean time TRM=0; chain=0; TDC 12 channel 0
+// T0A TRM=0; chain=0; TDC 12 channel 2
+// T0C TRM=0; chain=0; TDC 12 channel 4
+// vertex TRM=0; chain=0; TDC 12 channel 6
+// mult QTC0 TRM=0; chain=0; TDC 13 channel 0
+// mult QTC1 TRM=0; chain=0; TDC 13 channel 2
+
+// Charge QTC0 TRM=1; chain=0; TDC 0 -5 channel 0,2,4,6
+// Charge QTC1 TRM=1; chain=0; TDC 6 - 11 channel 0,2,4,6
+// T0A trigger TRM=1; chain=0; TDC 12 channel 0
+// T0C trigger TRM=1; chain=0; TDC 12 channel 2
+// vertex trigger TRM=1; chain=0; TDC 12 channel 4
+// trigger central TRM=1; chain=0; TDC 13 channel 0
+// tigger semicenral TRM=1; chain=0; TDC 13 channel 2
+//
+// allData array collect data from all channels in one :
+// allData[0] - allData[23] 24 CFD channels
+// allData[24] - allData[47] 24 LED channels
+// allData[48] mean (T0) signal
+// allData[49] time difference (vertex)
+
+ UInt_t word;
+ Int_t time=0, itdc=0, ichannel=0;
+ Int_t numberOfWordsInTRM=0, iTRM=0;
+ Int_t tdcTime, koef, meanTime, timeDiff ;
+ Int_t allData[107];
+
TArrayI *timeTDC1 = new TArrayI(24);
TArrayI * chargeTDC1 = new TArrayI(24);
TArrayI *timeTDC2 = new TArrayI(24);
TArrayI *chargeTDC2 = new TArrayI(24);
- TArrayI *sumMult = new TArrayI(6);
+
+ for ( Int_t k=0; k<107; k++) allData[k]=0;
+ do {
+ if (!fRawReader->ReadNextData(fData)) return kFALSE;
+ } while (fRawReader->GetDataSize() == 0);
+
+ // fPosition = GetPosition();
+ fPosition = 0;
- fRawReader->Select(13);
-
- if (!fRawReader->ReadHeader()){
- Error("ReadSTARTRaw","Couldn't read header");
- return;
+ //DRM header
+ for (Int_t i=0; i<4; i++) {
+ word = GetNextWord();
}
- AliSTARTdigit *fDigits = new AliSTARTdigit();
- fTree->Branch("START","AliSTARTdigit",&fDigits,400,1);
-
- fRawReader->ReadNextInt(word);
- for (Int_t i=0; i<24; i++)
- {
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,8,31);
- time=unpackword;
- timeTDC1->AddAt(time,pmt);
-
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,8,31);
- time=unpackword;
- timeTDC2->AddAt(time,pmt);
-
- // QTC
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword= UnpackWord(word,8,31);
- time=unpackword; //T1
-
- word=0;
- unpackword=0;
-
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword= UnpackWord(word,8,31);
- adc=unpackword-time; // T1+ T2 (A)
- chargeTDC1->AddAt(adc,pmt);
- //QTC amplified
-
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword= UnpackWord(word,8,31);
- time=unpackword; //T1
-
- word=0;
- unpackword=0;
-
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword= UnpackWord(word,8,31);
- adc=unpackword-time; // T1+ T2 (A)
- chargeTDC2->AddAt(adc,pmt);
-
+ //TRMheader
+ word = GetNextWord();
+ numberOfWordsInTRM=AliBitPacking::UnpackWord(word,4,16);
+ iTRM=AliBitPacking::UnpackWord(word,0,3);
- }
- fDigits->SetTime(*timeTDC1);
- fDigits->SetADC(*chargeTDC1);
-
+ //chain header
+ word = GetNextWord();
+
+ for (Int_t i=0; i<numberOfWordsInTRM; i++) {
+ word = GetNextWord();
+ tdcTime = AliBitPacking::UnpackWord(word,31,31);
+
+ if ( tdcTime == 1)
+ {
+ itdc=AliBitPacking::UnpackWord(word,24,27);
+ ichannel=AliBitPacking::UnpackWord(word,21,23);
+ time=AliBitPacking::UnpackWord(word,0,20);
+ koef = itdc*4 + ichannel/2;
+ allData[koef]=time;
+ }
+ }
+ word = GetNextWord(); //chain trailer
+ word = GetNextWord(); //TRM trailer
+
+ //TRMheader
+ word = GetNextWord();
+ numberOfWordsInTRM=AliBitPacking::UnpackWord(word,4,16);
+ iTRM=AliBitPacking::UnpackWord(word,0,3);
+ //chain header
+ word = GetNextWord();
+
+ for (Int_t iword=0; iword<numberOfWordsInTRM; iword++) {
+ word = GetNextWord();
+ tdcTime = AliBitPacking::UnpackWord(word,31,31);
+
+ if ( tdcTime == 1)
+ {
+ itdc=AliBitPacking::UnpackWord(word,24,27);
+ ichannel=AliBitPacking::UnpackWord(word,21,23);
+ time=AliBitPacking::UnpackWord(word,0,20);
+ koef = itdc*4 + ichannel/2;
+ allData[koef+54]=time;
+ }
+ }
+
+ for (Int_t in=0; in<24; in++)
+ {
+ timeTDC1->AddAt(allData[in],in);
+ timeTDC2->AddAt(allData[in+24],in);
+ chargeTDC1->AddAt(allData[in+54],in);
+ chargeTDC2->AddAt(allData[in+78],in);
+ }
- word=0;
- unpackword=0;
-
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
+ meanTime = allData[48]; // T0 !!!!!!
+ timeDiff = allData[49];
- word=0;
- unpackword=0;
+ word = GetNextWord();
+ word = GetNextWord();
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,8,31);
- time=unpackword;
- fDigits->SetMeanTime(time);
-
- // Best time right &left
- word=0;
- unpackword=0;
+ fDigits->SetTime(*timeTDC2);
+ fDigits->SetADC(*chargeTDC1);
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
-
- word=0;
- unpackword=0;
-
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,8,31);
- time=unpackword;
- fDigits->SetTimeBestRight(time);
-
+ fDigits->SetTimeAmp(*timeTDC1);
+ fDigits->SetADCAmp(*chargeTDC2);
- // best time left
- word=0;
- unpackword=0;
-
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
-
- word=0;
- unpackword=0;
+ fDigits->SetMeanTime(meanTime);
+ fDigits->SetDiffTime(timeDiff);
+ fTree->Fill();
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,8,31);
- time=unpackword;
- fDigits->SetTimeBestLeft(time);
+ delete timeTDC1 ;
+ delete chargeTDC1;
+ delete timeTDC2 ;
+ delete chargeTDC2;
+ return kTRUE;
+}
+//_____________________________________________________________________________
+/*
+void AliSTARTRawReader::UnpackTime(Int_t outTime, Int_t outCh)
+{
+ UInt_t word=0;
+ UInt_t unpackword=0;
+
+ word = GetNextWord();
+ unpackword=AliBitPacking::UnpackWord(word,0,12);
+ outTime=unpackword;
+ unpackword= AliBitPacking::UnpackWord(word,21,27);
+ outCh=unpackword;
+ }
+ */
+//_____________________________________________________________________________
+Int_t AliSTARTRawReader::GetPosition()
+{
+ // Sets the position in the
+ // input stream
+ if (((fRawReader->GetDataSize() * 8) % 32) != 0)
+ AliFatal(Form("Incorrect raw data size ! %d words are found !",fRawReader->GetDataSize()));
+ return (fRawReader->GetDataSize() * 8) / 32;
+}
+//_____________________________________________________________________________
+UInt_t AliSTARTRawReader::GetNextWord()
+{
+ // Read the next 32 bit word in backward direction
+ // The input stream access is given by fData and fPosition
- // best time differece
- word=0;
- unpackword=0;
-
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
- word=0;
- unpackword=0;
-
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,8,31);
- time=unpackword;
- fDigits->SetDiffTime(time);
-
- // multiplicity
- for (Int_t im=0; im<6; im++)
- {
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,0,5);
- pmt=unpackword;
- word=0;
- unpackword=0;
- fRawReader->ReadNextInt(word);
- unpackword=UnpackWord(word,8,31);
- time=unpackword;
- sumMult->AddAt(time,im);
- }
- fDigits->SetSumMult(*sumMult);
-
- fTree->Fill();
+ // fPosition--;
+ Int_t iBit = fPosition * 32;
+ Int_t iByte = iBit / 8;
+
+ UInt_t word = 0;
+ word = fData[iByte+3]<<24;
+ word |= fData[iByte+2]<<16;
+ word |= fData[iByte+1]<<8;
+ word |= fData[iByte];
+ fPosition++;
+
+ return word;
}
-
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff