///////////////////////////////////////////////////////////////////////////////
#include "AliITSRawStreamSDD.h"
+#include "AliITSRawStreamSDDCompressed.h"
#include "AliRawReader.h"
#include "AliLog.h"
AliITSRawStream(rawReader),
fDDLModuleMap(0),
fData(0),
+fResetSkip(kTRUE),
fEventId(0),
fCarlosId(-1),
fChannel(0),
fJitter(0),
-fNCarlos(kModulesPerDDL),
-fDDL(0),
-fEndWords(0),
-fResetSkip(0)
+fEightBitSignal(0),
+fDecompressAmbra(kTRUE)
{
// create an object to read ITS SDD raw digits
- fDDLModuleMap=new AliITSDDLModuleMapSDD();
- fDDLModuleMap->SetDefaultMap();
Reset();
for(Int_t im=0;im<kSDDModules;im++){
fLowThresholdArray[im][0]=0;
fLowThresholdArray[im][1]=0;
}
for(Int_t i=0;i<kFifoWords;i++) fNfifo[i]=0;
- for(Int_t i=0;i<kDDLsNumber;i++) fSkip[i]=0;
fRawReader->Reset();
fRawReader->Select("ITSSDD");
AliITSRawStream(rs.fRawReader),
fDDLModuleMap(rs.fDDLModuleMap),
fData(0),
+fResetSkip(kTRUE),
fEventId(0),
fCarlosId(-1),
fChannel(0),
fJitter(0),
-fNCarlos(kModulesPerDDL),
-fDDL(0),
-fEndWords(0),
-fResetSkip(0)
+fEightBitSignal(0),
+fDecompressAmbra(kTRUE)
{
// copy constructor
AliError("Copy constructor should not be used.");
if(fDDLModuleMap) delete fDDLModuleMap;
}
//______________________________________________________________________
+UChar_t AliITSRawStreamSDD::ReadBlockAttributes(AliRawReader* rawReader){
+ // reads block attribuited from CDH
+ UChar_t *data;
+ rawReader->Reset();
+ rawReader->Select("ITSSDD");
+ do{
+ if(!rawReader->ReadNextData(data)) return 0x0;
+ }while(rawReader->GetDataSize()==0);
+ UChar_t attr=rawReader->GetBlockAttributes();
+ return attr;
+}
+//______________________________________________________________________
+AliITSRawStream* AliITSRawStreamSDD::CreateRawStreamSDD(AliRawReader* rawReader, UChar_t attributes){
+ // instantiates the proper raw stream from block attributes value
+
+ Int_t rawFormat=(attributes&0xE0)>>5;
+ rawReader->Reset();
+ AliITSRawStream* inputSDD;
+ if(rawFormat==0){
+ inputSDD=new AliITSRawStreamSDDCompressed(rawReader);
+ inputSDD->SetADCEncoded(kTRUE);
+ }else{
+ inputSDD=new AliITSRawStreamSDD(rawReader);
+ }
+ return inputSDD;
+}
+//______________________________________________________________________
+AliITSRawStream* AliITSRawStreamSDD::CreateRawStreamSDD(AliRawReader* rawReader){
+ // reads the data format from CDH and instantiates the proper raw stream
+ UChar_t attr=ReadBlockAttributes(rawReader);
+ return CreateRawStreamSDD(rawReader,attr);
+}
+//______________________________________________________________________
UInt_t AliITSRawStreamSDD::ReadBits()
{
// read bits from the given channel
if ((value & 0x80) == 0) {
return value & 0x7f;
} else if ((value & 0x40) == 0) {
+ if(value&1) return 0x080 + ((value & 0x3f) << 1);
return 0x081 + ((value & 0x3f) << 1);
} else if ((value & 0x20) == 0) {
+ if(value&1) return 0x103 + ((value & 0x1f) << 3);
return 0x104 + ((value & 0x1f) << 3);
} else {
+ if(value&1) return 0x207 + ((value & 0x1f) << 4);
return 0x208 + ((value & 0x1f) << 4);
}
{
// read the next raw digit
// returns kFALSE if there is no digit left
-// returns kTRUE and fCompletedModule=kFALSE when a digit is found
-// returns kTRUE and fCompletedModule=kTRUE when a module is completed (=3x3FFFFFFF footer words)
+// returns kTRUE and fCompletedModule=kFALSE and fCompletedDDL=kFALSE when a digit is found
+// returns kTRUE and fCompletedModule=kTRUE and fCompletedDDL=kFALSE when a module is completed (=3x3FFFFFFF footer words)
+// returns kTRUE and fCompletedModule=kFALSE and fCompletedDDL=kTRUE when a DDL is completed (=jitter word)
fPrevModuleID = fModuleID;
- fDDL=fRawReader->GetDDLID();
- Int_t ddln = fRawReader->GetDDLID();
- if(ddln <0) ddln=0;
fCompletedModule=kFALSE;
while (kTRUE) {
- if(fResetSkip==0){
+ if(fResetSkip){
+ Reset();
Bool_t kSkip = SkipHeaderWord();
- fResetSkip=1;
- if(!kSkip) return kSkip;
+ if(!kSkip) return kSkip;
+ fResetSkip=kFALSE;
}
-
if ((fChannel < 0) || (fCarlosId < 0) || (fChannel >= 2) || (fCarlosId >= kModulesPerDDL) || (fLastBit[fCarlosId][fChannel] < fReadBits[fCarlosId][fChannel]) ) {
if (!fRawReader->ReadNextInt(fData)) return kFALSE; // read next word
- ddln = fRawReader->GetDDLID();
- if(ddln!=fDDL) {
- Reset();
- fDDL=fRawReader->GetDDLID();
- }
- if(ddln < 0 || ddln > (kDDLsNumber-1)) ddln = 0;
- fChannel = -1;
+
if((fData >> 16) == 0x7F00){ // jitter word
- fResetSkip=0;
- fEndWords=0;
- continue;
- }
+ fJitter = fData&0x000000ff;
+ fResetSkip=kTRUE;
+ fCompletedModule=kFALSE;
+ fCompletedDDL=kTRUE;
+ return kTRUE;
+ }
UInt_t nData28= fData >> 28;
UInt_t nData30= fData >> 30;
if (nData28== 0x02) { // header
fEventId = (fData >> 3) & 0x07FF;
- } else if (nData28== 0x04) {
- // JTAG word -- do nothing
} else if (nData28== 0x03) { // Carlos and FIFO words or Footers
if(fData>=fICarlosWord[0]&&fData<=fICarlosWord[11]) { // Carlos Word
- if(fEndWords==12) continue; // out of event
fCarlosId = fData-fICarlosWord[0];
Int_t iFifoIdx = fCarlosId/3;
- if(fNCarlos == 8) iFifoIdx=fCarlosId/2;
fNfifo[iFifoIdx] = fCarlosId;
} else if (fData>=fIFifoWord[0]&&fData<=fIFifoWord[3]){ // FIFO word
- if(fEndWords==12) continue; // out of event
fCarlosId = fNfifo[fData-fIFifoWord[0]];
- } else if(fData==0x3FFFFFFF){ // Carlos footer
- if(fCarlosId>=0 && fCarlosId<kModulesPerDDL){
- fICountFoot[fCarlosId]++; // stop before the last word (last word=jitter)
- if(fICountFoot[fCarlosId]==3){
- fCompletedModule=kTRUE;
- // printf("Completed module %d DDL %d\n",fCarlosId,ddln);
- return kTRUE;
- }
+ } else if(fData==0x3FFFFFFF && fCarlosId>=0 && fCarlosId<kModulesPerDDL){ // Carlos footer
+ fICountFoot[fCarlosId]++; // stop before the last word (last word=jitter)
+ if(fICountFoot[fCarlosId]==3){
+ fCompletedModule=kTRUE;
+ fCompletedDDL=kFALSE;
+ return kTRUE;
}
} else if(fData==0x3F1F1F1F){ // CarlosRX footer
- fEndWords++;
- if(fEndWords<=12) continue;
+ // CARLOSRX footer -- do nothing
}else{
- fRawReader->AddMajorErrorLog(kDataError,"Too many footers");
- AliWarning(Form("invalid data: too many footers\n", fData));
+ fRawReader->AddMajorErrorLog(kDataError,"Bad footer");
+ AliWarning(Form("Invalid data: bad footer %08X\n", fData));
return kFALSE;
}
} else if (nData30 == 0x02 || nData30 == 0x03) {
fChannel = nData30-2;
- if(fCarlosId>=0 && fChannel>=0 && fCarlosId <kModulesPerDDL && fChannel<2){
+ if(fCarlosId>=0 && fCarlosId<kModulesPerDDL){
fChannelData[fCarlosId][fChannel] +=
(ULong64_t(fData & 0x3FFFFFFF) << fLastBit[fCarlosId][fChannel]);
fLastBit[fCarlosId][fChannel] += 30;
}
+ } else if (nData28== 0x04) {
+ // JTAG word -- do nothing
} else { // unknown data format
fRawReader->AddMajorErrorLog(kDataFormatErr,Form("Invalid data %8.8x",fData));
- AliWarning(Form("invalid data: %8.8x\n", fData));
+ AliWarning(Form("Invalid data: %08X\n", fData));
return kFALSE;
}
- if (fNCarlos == 8 && fCarlosId >= 8) continue; // old data, fNCarlos = 8;
if(fCarlosId>=0 && fCarlosId <kModulesPerDDL){
- fModuleID = GetModuleNumber(ddln,fCarlosId);
+ Int_t nDDL=fRawReader->GetDDLID();
+ if(nDDL>=0){
+ fModuleID = GetModuleNumber(nDDL,fCarlosId);
+ }
}
} else { // decode data
if (fReadCode[fCarlosId][fChannel]) {// read the next code word
fTimeBin[fCarlosId][fChannel] = 0;
fAnode[fCarlosId][fChannel]++;
} else { // ADC signal data
- fSignal = DecompAmbra(data + (1 << fChannelCode[fCarlosId][fChannel]) + fLowThresholdArray[fModuleID-kSPDModules][fChannel]);
+ fEightBitSignal=data + (1 << fChannelCode[fCarlosId][fChannel]);
+ if(fDecompressAmbra) fSignal = DecompAmbra(fEightBitSignal + fLowThresholdArray[fModuleID-kSPDModules][fChannel]);
fCoord1 = fAnode[fCarlosId][fChannel];
fCoord2 = fTimeBin[fCarlosId][fChannel];
fTimeBin[fCarlosId][fChannel]++;
- //printf("Data read, Module=%d , Anode=%d , Time=%d , Charge=%d\n",fModuleID,fCoord1,fCoord2,fSignal);
+ fCompletedModule=kFALSE;
+ fCompletedDDL=kFALSE;
return kTRUE;
}
}
fReadBits[ic][i]=3;
fTimeBin[ic][i]=0;
fAnode[ic][i]=0;
+ fICountFoot[ic]=0;
}
- fLowThreshold[i]=0;
}
- for(Int_t i=0;i<kModulesPerDDL;i++) fICountFoot[i]=0;
}
//______________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff