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,-1},
- {243,244,245,249,250,251,255,256,257,261,262,263,267,268,269,273,274,275,279,280,281,-1},
- {282,283,284,288,289,290,294,295,296,300,301,302,306,307,308,312,313,314,318,319,320,-1},
- {285,286,287,291,292,293,297,298,299,303,304,305,309,310,311,315,316,317,321,322,323,-1},
- {324,325,326,327,332,333,334,335,340,341,342,343,348,349,350,351,356,357,358,359,364,365},
- {328,329,330,331,336,337,338,339,344,345,346,347,352,353,354,355,360,361,362,363,368,369},
- {366,367,372,373,374,375,380,381,382,383,388,389,390,391,396,397,398,399,404,405,406,407},
- {370,371,376,377,378,379,384,385,386,387,392,393,394,395,400,401,402,403,408,409,410,411},
- {412,413,414,415,420,421,422,423,428,429,430,431,436,437,438,439,444,445,446,447,452,453},
- {416,417,418,419,424,425,426,427,432,433,434,435,440,441,442,443,448,449,450,451,456,457},
- {454,455,460,461,462,463,468,469,470,471,476,477,478,479,484,485,486,487,492,493,494,495},
- {458,459,464,465,466,467,472,473,474,475,480,481,482,483,488,489,490,491,496,497,498,499}};
+
+ {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),
fData(0),
-fSkip(0),
-fEventId(0),
fCarlosId(0),
+fEventId(0),
fChannel(0),
-fJitter(0){
+fJitter(0),
+fNCarlos(kModulesPerDDL),
+fNfifo0(0),
+fNfifo1(0),
+fNfifo2(0),
+fNfifo3(0),
+fDDL(0){
// create an object to read ITS SDD raw digits
for(Int_t i=0;i<2;i++){
- fChannelData[i]=0;
- fLastBit[i]=0;
- fChannelCode[i]=0;
- fReadCode[i]=kFALSE;
- fReadBits[i]=0;
- fTimeBin[i]=0;
- fAnode[i]=0;
+ for(Int_t ic=0;ic<kModulesPerDDL;ic++){
+ fChannelData[ic][i]=0;
+ fLastBit[ic][i]=0;
+ fChannelCode[ic][i]=0;
+ fReadCode[ic][i]=kFALSE;
+ fReadBits[ic][i]=0;
+ fTimeBin[ic][i]=0;
+ fAnode[ic][i]=0;
+ }
fLowThreshold[i]=0;
}
+ for(Int_t i=0;i<kDDLsNumber;i++) fSkip[i]=0;
+ fRawReader->Reset();
fRawReader->Select("ITSSDD");
+ //fRawReader->SelectEquipment(17, 101, 101);//select this for test data
+ //fNCarlos = 8; //select this for test data
}
UInt_t AliITSRawStreamSDD::ReadBits()
{
// read bits from the given channel
- UInt_t result = (fChannelData[fChannel] & ((1<<fReadBits[fChannel]) - 1));
- fChannelData[fChannel] >>= fReadBits[fChannel];
- fLastBit[fChannel] -= fReadBits[fChannel];
+ UInt_t result = (fChannelData[fCarlosId][fChannel] & ((1<<fReadBits[fCarlosId][fChannel]) - 1));
+ fChannelData[fCarlosId][fChannel] >>= fReadBits[fCarlosId][fChannel];
+ fLastBit[fCarlosId][fChannel] -= fReadBits[fCarlosId][fChannel];
return result;
}
Int_t AliITSRawStreamSDD::DecompAmbra(Int_t value) const
{
-// AMBRA decompression
-
+ // AMBRA decompression (from 8 to 10 bit)
+
if ((value & 0x80) == 0) {
return value & 0x7f;
} else if ((value & 0x40) == 0) {
} else {
return 0x208 + ((value & 0x1f) << 4);
}
+
}
Bool_t AliITSRawStreamSDD::Next()
// returns kFALSE if there is no digit left
fPrevModuleID = fModuleID;
- if (!fRawReader->ReadNextInt(fData)) return kFALSE;
+ fDDL=fRawReader->GetDDLID();
+ Int_t ddln = fRawReader->GetDDLID();
+ if(ddln <0) ddln=0;
+ while (fSkip[ddln] < 9) {
+ if (!fRawReader->ReadNextInt(fData)) return kFALSE;
+ if ((fData >> 30) == 0x01) continue; // JTAG word
+ fSkip[ddln]++;
+ }
+
+
+ Int_t countFoot[kModulesPerDDL];
+ for(Int_t i=0;i<kModulesPerDDL;i++) countFoot[i]=0;
+ while (kTRUE) {
+ if ((fChannel < 0) || (fLastBit[fCarlosId][fChannel] < fReadBits[fCarlosId][fChannel])) {
+
+ if (!fRawReader->ReadNextInt(fData)) return kFALSE; // read next word
+ ddln = fRawReader->GetDDLID();
+ if(ddln!=fDDL){
+ Reset();
+ for(Int_t icr=0;icr<kModulesPerDDL;icr++) countFoot[icr]=0;
+ }
+ if(ddln < 0 || ddln > (kDDLsNumber-1)) ddln = 0;
+ while (fSkip[ddln] < 9) {
+ if (!fRawReader->ReadNextInt(fData)) return kFALSE;
+ if ((fData >> 30) == 0x01) continue; // JTAG word
+ fSkip[ddln]++;
+ }
+
+ fChannel = -1;
+
+
+ if( ((fData << 4) >> 4) == 0){
+ fCarlosId = 0;fNfifo0 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 1){
+ fCarlosId = 1;fNfifo0 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 2){
+ fCarlosId = 2;
+ if(fNCarlos == 8) fNfifo1 = fCarlosId;
+ else fNfifo0 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 3){
+ fCarlosId = 3;fNfifo1 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 4){
+ fCarlosId = 4;
+ if(fNCarlos == 8) fNfifo2 = fCarlosId;
+ else fNfifo1 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 5){
+ fCarlosId = 5;
+ if(fNCarlos == 8) fNfifo2 = fCarlosId;
+ else fNfifo1 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 6){
+ fCarlosId = 6;
+ if(fNCarlos == 8) fNfifo3 = fCarlosId;
+ else fNfifo2 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 7){
+ fCarlosId = 7;
+ if(fNCarlos == 8) fNfifo3 = fCarlosId;
+ else fNfifo2 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 8){
+ fCarlosId = 8;fNfifo2 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 9){
+ fCarlosId = 9;fNfifo3 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 10){
+ fCarlosId = 10;fNfifo3 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 11){
+ fCarlosId = 11;fNfifo3 = fCarlosId;
+ }
+ else if (((fData << 4) >> 4) == 16){
+ fCarlosId = fNfifo0;
+ }
+ else if (((fData << 4) >> 4) == 17){
+ fCarlosId = fNfifo1;
+ }
+ else if (((fData << 4) >> 4) == 18){
+ fCarlosId = fNfifo2;
+ }
+ else if (((fData << 4) >> 4) == 19){
+ fCarlosId = fNfifo3;
+ }
+ if(fData==1059004191) continue;
+ if (fNCarlos == 8 && (fCarlosId == 8 || fCarlosId == 9 ||
+ fCarlosId ==10 || fCarlosId == 11))continue;
+
+ fModuleID = fgkDDLModuleMap[fRawReader->GetDDLID()][fCarlosId];
+
+ if ((fData >> 28) == 0x02) { // header
+ fEventId = (fData >> 3) & 0x07FF;
+ } else if ((fData >> 28) == 0x03) { // footer
+ countFoot[fCarlosId]++; // stop before the last word (last word=jitter)
+ if(countFoot[fCarlosId]==3){
+ return kFALSE;
+ }
+ } else if ((fData >> 29) == 0x00) { // error
- UInt_t relModuleID = (fData >> 25) & 0x0000007F;
- fModuleID = fgkDDLModuleMap[fRawReader->GetDDLID()][relModuleID];
- fCoord1 = (fData >> 16) & 0x000001FF;
- fCoord2 = (fData >> 8) & 0x000000FF;
- fSignal = fData & 0x000000FF;
+ if ((fData & 0x00000163) != 0) {
+
+ Error("Next", "error codes = %8.8x",fData);
+ return kFALSE;
+
+ }
+ } else if ((fData >> 30) == 0x01) { // JTAG word
+ // ignored
+ } else if ((fData >> 30) == 0x02) { // channel 0 data
+
+ fChannel = 0;
+ } else if ((fData >> 30) == 0x03) { // channel 1 data
+ fChannel = 1;
+ } else { // unknown data format
+ Error("Next", "invalid data: %8.8x\n", fData);
+ return kFALSE;
+ }
+
+ if (fChannel >= 0) { // add read word to the data
+ fChannelData[fCarlosId][fChannel] +=
+ (ULong64_t(fData & 0x3FFFFFFF) << fLastBit[fCarlosId][fChannel]);
+ fLastBit[fCarlosId][fChannel] += 30;
+ }
+
+ } else { // decode data
+
+ if (fReadCode[fCarlosId][fChannel]) {// read the next code word
+ fChannelCode[fCarlosId][fChannel] = ReadBits();
+ fReadCode[fCarlosId][fChannel] = kFALSE;
+ fReadBits[fCarlosId][fChannel] = fgkCodeLength[fChannelCode[fCarlosId][fChannel]];
+
+ } else { // read the next data word
+ UInt_t data = ReadBits();
+ fReadCode[fCarlosId][fChannel] = kTRUE;
+ fReadBits[fCarlosId][fChannel] = 3;
+ if (fChannelCode[fCarlosId][fChannel] == 0) { // set the time bin
+ fTimeBin[fCarlosId][fChannel] = data;
+ } else if (fChannelCode[fCarlosId][fChannel] == 1) { // next anode
+ fTimeBin[fCarlosId][fChannel] = 0;
+ fAnode[fCarlosId][fChannel]++;
+
+ }else { // ADC signal data
+ fSignal = DecompAmbra(data + (1 << fChannelCode[fCarlosId][fChannel]) + fLowThreshold[fChannel]);
+ fCoord1 = fAnode[fCarlosId][fChannel];
+ fCoord2 = fTimeBin[fCarlosId][fChannel];
+ fTimeBin[fCarlosId][fChannel]++;
+ return kTRUE;
+ }
+ }
+ }
+ }
+ return kFALSE;
- return kTRUE;
}
+void AliITSRawStreamSDD::Reset(){
+ //reset data member for a new ddl
+
+ for(Int_t i=0;i<2;i++){
+ for(Int_t ic=0;ic<kModulesPerDDL;ic++){
+ fChannelData[ic][i]=0;
+ fLastBit[ic][i]=0;
+ fChannelCode[ic][i]=0;
+ fReadCode[ic][i]=kFALSE;
+ fReadBits[ic][i]=0;
+ fTimeBin[ic][i]=0;
+ fAnode[ic][i]=0;
+ }
+ fLowThreshold[i]=0;
+ }
+ fChannel=-1;
+ fDDL=fRawReader->GetDDLID();
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff