#include "AliLog.h"
ClassImp(AliITSRawStreamSDD)
-
-const Int_t AliITSRawStreamSDD::fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL] = {
-
- {240,241,242,246,247,248,252,253,254,258,259,260},
- {264,265,266,270,271,272,276,277,278,282,283,284},
- {288,289,290,294,295,296,300,301,302,306,307,308},
- {312,313,314,318,319,320,-1,-1,-1,-1,-1,-1},
- {243,244,245,249,250,251,255,256,257,261,262,263},
- {267,268,269,273,274,275,279,280,281,285,286,287},
- {291,292,293,297,298,299,303,304,305,309,310,311},
- {315,316,317,321,322,323,-1,-1,-1,-1,-1,-1},
- {324,325,326,327,332,333,334,335,340,341,342,343},
- {348,349,350,351,356,357,358,359,364,365,366,367},
- {372,373,374,375,380,381,382,383,388,389,390,391},
- {396,397,398,399,404,405,406,407,412,413,414,415},
- {420,421,422,423,428,429,430,431,436,437,438,439},
- {444,445,446,447,452,453,454,455,460,461,462,463},
- {468,469,470,471,476,477,478,479,484,485,486,487},
- {492,493,494,495,-1,-1,-1,-1,-1,-1,-1,-1},
- {328,329,330,331,336,337,338,339,344,345,346,347},
- {352,353,354,355,360,361,362,363,368,369,370,371},
- {376,377,378,379,384,385,386,387,392,393,394,395},
- {400,401,402,403,408,409,410,411,416,417,418,419},
- {424,425,426,427,432,433,434,435,440,441,442,443},
- {448,449,450,451,456,457,458,459,464,465,466,467},
- {472,473,474,475,480,481,482,483,488,489,490,491},
- {496,497,498,499,-1,-1,-1,-1,-1,-1,-1,-1}};
const UInt_t AliITSRawStreamSDD::fgkCodeLength[8] = {8, 18, 2, 3, 4, 5, 6, 7};
+//______________________________________________________________________
AliITSRawStreamSDD::AliITSRawStreamSDD(AliRawReader* rawReader) :
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
-
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");
for(Short_t i=0; i<kFifoWords; i++) fIFifoWord[i]=0x30000010 + i; // 805306384+i;
}
+//______________________________________________________________________
+AliITSRawStreamSDD::AliITSRawStreamSDD(const AliITSRawStreamSDD& rs) :
+AliITSRawStream(rs.fRawReader),
+fDDLModuleMap(rs.fDDLModuleMap),
+fData(0),
+fResetSkip(kTRUE),
+fEventId(0),
+fCarlosId(-1),
+fChannel(0),
+fJitter(0),
+fEightBitSignal(0),
+fDecompressAmbra(kTRUE)
+{
+ // copy constructor
+ AliError("Copy constructor should not be used.");
+}
+//__________________________________________________________________________
+AliITSRawStreamSDD& AliITSRawStreamSDD::operator=(const AliITSRawStreamSDD& rs) {
+ // assignment operator
+ if (this!=&rs) {}
+ AliError("Assignment opertator should not be used.");
+ return *this;
+}
+
+//______________________________________________________________________
+AliITSRawStreamSDD::~AliITSRawStreamSDD(){
+ if(fDDLModuleMap) delete fDDLModuleMap;
+}
+//______________________________________________________________________
UInt_t AliITSRawStreamSDD::ReadBits()
{
// read bits from the given channel
return result;
}
+//______________________________________________________________________
Int_t AliITSRawStreamSDD::DecompAmbra(Int_t value) const
{
// AMBRA decompression (from 8 to 10 bit)
}
+//______________________________________________________________________
Bool_t AliITSRawStreamSDD::Next()
{
// 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){
- Bool_t kSkip = ResetSkip(ddln);
- fResetSkip=1;
- if(!kSkip) return kSkip;
+ if(fResetSkip){
+ Reset();
+ Bool_t kSkip = SkipHeaderWord();
+ if(!kSkip) return kSkip;
+ fResetSkip=kFALSE;
}
-
- if ((fChannel < 0) || (fLastBit[fCarlosId][fChannel] < fReadBits[fCarlosId][fChannel])) {
-
+ 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 for data since october 2007
- for(Int_t i=0;i<kDDLsNumber;i++){fSkip[i]=0;}
- fResetSkip=0;
- fEndWords=0;
- continue;
- }
+
+ if((fData >> 16) == 0x7F00){ // jitter word
+ fJitter = fData&0x000000ff;
+ fResetSkip=kTRUE;
+ fCompletedModule=kFALSE;
+ fCompletedDDL=kTRUE;
+ return kTRUE;
+ }
UInt_t nData28= fData >> 28;
UInt_t nData30= fData >> 30;
fEventId = (fData >> 3) & 0x07FF;
} 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
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) {
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;
-
- fModuleID = fgkDDLModuleMap[fRawReader->GetDDLID()][fCarlosId];
-
+ if(fCarlosId>=0 && fCarlosId <kModulesPerDDL){
+ Int_t nDDL=fRawReader->GetDDLID();
+ fModuleID = GetModuleNumber(nDDL,fCarlosId);
+ }
} else { // decode data
if (fReadCode[fCarlosId][fChannel]) {// read the next code word
fChannelCode[fCarlosId][fChannel] = ReadBits();
fTimeBin[fCarlosId][fChannel] = 0;
fAnode[fCarlosId][fChannel]++;
} else { // ADC signal data
- fSignal = DecompAmbra(data + (1 << fChannelCode[fCarlosId][fChannel]) + fLowThreshold[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;
}
}
return kFALSE;
}
+//______________________________________________________________________
void AliITSRawStreamSDD::Reset(){
//reset data member for a new ddl
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;
}
-Bool_t AliITSRawStreamSDD::ResetSkip(Int_t ddln){
- // skip the 9 DDL header words
- Bool_t startCount=kFALSE;
- while (fSkip[ddln] < 9) {
- if (!fRawReader->ReadNextInt(fData)) {
- return kFALSE;
- }
- if(fData==0xFFFFFFFF) startCount=kTRUE;
- //printf("%x\n",fData);
+//______________________________________________________________________
+Bool_t AliITSRawStreamSDD::SkipHeaderWord(){
+ // skip the 1 DDL header word = 0xffffffff
+ while (kTRUE) {
+ if (!fRawReader->ReadNextInt(fData)) return kFALSE;
if ((fData >> 30) == 0x01) continue; // JTAG word
- if(startCount) fSkip[ddln]++;
+ if(fData==0xFFFFFFFF) return kTRUE;
}
- return kTRUE;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff