]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - ITS/AliITSRawStreamSDD.cxx
Obsolete.
[u/mrichter/AliRoot.git] / ITS / AliITSRawStreamSDD.cxx
index 6e316e23c5c49cd675c975706bf0d06a16453426..f8b202a185bb0412525139137a975d0b35b792ef 100644 (file)
 #include "AliITSRawStreamSDD.h"
 #include "AliRawReader.h"
 #include "AliLog.h"
-#include "Riostream.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),
-fCarlosId(-1),
+fResetSkip(kTRUE),
 fEventId(0),
+fCarlosId(-1),
 fChannel(0),
 fJitter(0),
-fNCarlos(kModulesPerDDL),
-fDDL(0),
-fIdcd(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");
 
@@ -82,6 +56,35 @@ fResetSkip(0)
   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
@@ -91,6 +94,7 @@ UInt_t AliITSRawStreamSDD::ReadBits()
   return result;
 }
 
+//______________________________________________________________________
 Int_t AliITSRawStreamSDD::DecompAmbra(Int_t value) const
 {
   // AMBRA decompression (from 8 to 10 bit)
@@ -107,135 +111,82 @@ Int_t AliITSRawStreamSDD::DecompAmbra(Int_t value) const
   
 }
 
+//______________________________________________________________________
 Bool_t AliITSRawStreamSDD::Next()
 {
 // read the next raw digit
 // returns kFALSE if there is no digit left
+// 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();
-  //cout << "fDDL: " << fDDL;
-  Int_t ddln = fRawReader->GetDDLID();
-  //cout << ", ddln: " << ddln << endl;
-  if(ddln <0) ddln=0;
-  if(fResetSkip==0){
-    Bool_t kSkip = ResetSkip(ddln);
-    fResetSkip=1;
-    if(!kSkip) return kSkip;
-  }
+  fCompletedModule=kFALSE;
 
+  while (kTRUE) {
+    if(fResetSkip){
+      Reset();
+      Bool_t kSkip = SkipHeaderWord();
+      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
 
-  for(Int_t i=0;i<kModulesPerDDL;i++) fICountFoot[i]=0; 
 
-  while (kTRUE) {
-  
-    if ((fChannel < 0) || (fLastBit[fCarlosId][fChannel] < fReadBits[fCarlosId][fChannel])) {
-      //cout << "fCarlosId: " << fCarlosId << ", fChannel: " << fChannel << ", fLastBit[fCarlosId][fChannel]: " << fLastBit[fCarlosId][fChannel] << ", fReadBits[fCarlosId][fChannel]: " << fReadBits[fCarlosId][fChannel] << endl;
-      if (!fRawReader->ReadNextInt(fData)) {
-       //cout << "read word in Next and skip, fData: ";
-       //printf("%x\n",fData);
-       return kFALSE;  // read next word
-      }
-      //cout << "read word in Next, fData: ";
-      //printf("%x\n",fData);
+      if((fData >> 16) == 0x7F00){ // jitter word
+       fJitter = fData&0x000000ff;
+       fResetSkip=kTRUE;
+       fCompletedModule=kFALSE;
+       fCompletedDDL=kTRUE;
+       return kTRUE;
+       }
 
-      ddln = fRawReader->GetDDLID();
-      if(ddln!=fDDL) { 
-       Reset();
-       fChannel=-1;
-       fDDL=fRawReader->GetDDLID();
-      }
-      if(ddln < 0 || ddln > (kDDLsNumber-1)) ddln  = 0;
-      //cout << "in the while loop, fDDL: " << fDDL << ", ddln: " << ddln << endl;
-/*
-      kSkip = ResetSkip(ddln);
-         cout << "kSkip: " << kSkip << endl;
-      if(!kSkip) return kFALSE;  // read next word
-*/
-      fChannel = -1;
-      if(fData>=fICarlosWord[0]&&fData<=fICarlosWord[11]) { // Carlos Word
-       if(fEndWords==12) continue; // out of event
-       else if(fEndWords<12){
+      UInt_t nData28= fData >> 28;
+      UInt_t nData30= fData >> 30;
+
+
+      if (nData28== 0x02) {           // header
+       fEventId = (fData >> 3) & 0x07FF; 
+      } else if (nData28== 0x03) {    // Carlos and FIFO words or Footers
+       if(fData>=fICarlosWord[0]&&fData<=fICarlosWord[11]) { // Carlos Word
          fCarlosId = fData-fICarlosWord[0];
-         //cout << "set fCarlosId to " << fCarlosId;
          Int_t iFifoIdx = fCarlosId/3;
-         if(fNCarlos == 8) {
-           if(fCarlosId==2) iFifoIdx = 1;
-           if(fCarlosId==4 || fCarlosId==5)  iFifoIdx = 2;
-           if(fCarlosId==6 || fCarlosId==7)  iFifoIdx = 3 ;
-         }         
          fNfifo[iFifoIdx] = fCarlosId;
-         //cout << " and fNfifo[" << iFifoIdx << "] to " << fNfifo[iFifoIdx] << endl;
-       }
-      } else if (fData>=fIFifoWord[0]&&fData<=fIFifoWord[3]){
-       //cout << "fIdcd: " << fIdcd << endl;
-       fIdcd=0;
-       if(fEndWords==12) continue; // out of event
-       else if(fEndWords<12){
-         //cout << "fData-fIFifoWord[0]: " << fData-fIFifoWord[0] << endl;
+       } else if (fData>=fIFifoWord[0]&&fData<=fIFifoWord[3]){ // FIFO word
          fCarlosId = fNfifo[fData-fIFifoWord[0]];          
-         //cout << "fCarlosId set to " << fCarlosId << " from FIFO Word" << endl;
-       }
-      }
-         
-      if((fData >> 4) == 0xFF00000){   // jitter word
-       for(Int_t i=0;i<kDDLsNumber;i++){fSkip[i]=0;}
-       fResetSkip=0;
-       fEndWords=0;
-       return kTRUE;
-      }
-      if(fData==0x3F1F1F1F){
-       fEndWords++;
-       if(fEndWords<=12) continue;
-      }
-      if (fNCarlos == 8 && (fCarlosId == 8 || fCarlosId == 9 || 
-                           fCarlosId ==10 || fCarlosId == 11)) continue;  // old data, fNCarlos = 8;
-            
-      //cout << "set module from DDLID " << fRawReader->GetDDLID() << " and fCarlosId: " << fCarlosId << endl;
-      fModuleID = fgkDDLModuleMap[fRawReader->GetDDLID()-1][fCarlosId];
-      //cout<<"AliITSRawStreamSDD: fModuleID: "<<fModuleID<<endl;
-      
-      if ((fData >> 28) == 0x02) {           // header
-       fEventId = (fData >> 3) & 0x07FF;
-       //cout<<"AliITSRawStreamSDD:fEventID: "<<fEventId<<endl;
-      } else if ((fData >> 28)== 0x03) {    // footer
-       if((fData>=fIFifoWord[0]&&fData<=fIFifoWord[3])||(fData>=fICarlosWord[0]&&fData<=fICarlosWord[11]) )            {
-         // Carlos and fifo words should not be counted as footers
-       }else{   // footer word
+       } else if(fData==0x3FFFFFFF){ // Carlos footer
          fICountFoot[fCarlosId]++; // stop before the last word (last word=jitter)
-         Bool_t exit=kTRUE;
-         for(Int_t ic=0;ic<fNCarlos;ic++){
-           if(fICountFoot[ic]<3) exit=kFALSE;
+         if(fICountFoot[fCarlosId]==3){
+           fCompletedModule=kTRUE;
+           fCompletedDDL=kFALSE;
+           return kTRUE;
          }
-         if(exit) return kFALSE;
-       }               
-      } else if ((fData >> 29) == 0x00) {    // error
-       if ((fData & 0x00000163) != 0) {         
-         fRawReader->AddMajorErrorLog(kDataError,Form("Error code = %8.8x",fData));     
-         AliWarning(Form("error codes = %8.8x",fData));
-         return kFALSE;          
+       } else if(fData==0x3F1F1F1F){ // CarlosRX footer
+         // CARLOSRX footer -- do nothing
+       }else{
+         fRawReader->AddMajorErrorLog(kDataError,"Bad footer");
+         AliWarning(Form("Invalid data: bad footer %08X\n", fData));
+         return kFALSE;            
        }
-      } else if ((fData >> 30) == 0x01) {    // JTAG word
-       // ignored
-      } else if ((fData >> 30) == 0x02) {    // channel 0 data
-       fChannel = 0;
-       //cout << "fChannel set to " << fChannel << endl;
-      } else if ((fData >> 30) == 0x03) {    // channel 1 data
-       fChannel = 1;
-       //cout << "fChannel set to " << fChannel << endl;
+      } else if (nData30 == 0x02 || nData30 == 0x03) {
+       fChannel = nData30-2;
+       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 (fChannel >= 0) {   // add read word to the data
-       //cout << "add read word to the data" << endl;
-       fChannelData[fCarlosId][fChannel] += 
-         (ULong64_t(fData & 0x3FFFFFFF) << fLastBit[fCarlosId][fChannel]);
-       fLastBit[fCarlosId][fChannel] += 30;
+      if(fCarlosId>=0 && fCarlosId <kModulesPerDDL){
+       Int_t nDDL=fRawReader->GetDDLID();
+       fModuleID = GetModuleNumber(nDDL,fCarlosId);
       }
     } else {  // decode data
-      fIdcd++;
       if (fReadCode[fCarlosId][fChannel]) {// read the next code word
        fChannelCode[fCarlosId][fChannel] = ReadBits();
        fReadCode[fCarlosId][fChannel] = kFALSE;
@@ -250,20 +201,22 @@ Bool_t AliITSRawStreamSDD::Next()
          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]++;
-         //cout << "data read, Module, Anode, Time, Charge = " << fModuleID << "," << fCoord1 << "," << fCoord2 << "," << fSignal << endl;
+         fCompletedModule=kFALSE;
+         fCompletedDDL=kFALSE;
          return kTRUE;
        }
       }
     }
   }
-  return kFALSE;  
-
+  return kFALSE;
 }
 
+//______________________________________________________________________
 void AliITSRawStreamSDD::Reset(){
 
   //reset data member for a new ddl
@@ -272,29 +225,22 @@ void AliITSRawStreamSDD::Reset(){
       fChannelData[ic][i]=0;
       fLastBit[ic][i]=0;
       fChannelCode[ic][i]=0;
-      fReadCode[ic][i]=kFALSE;
-      fReadBits[ic][i]=0;
+      fReadCode[ic][i]=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;
 }
 
-Bool_t AliITSRawStreamSDD::ResetSkip(Int_t ddln){
-  while (fSkip[ddln] < 9) {
-    if (!fRawReader->ReadNextInt(fData)) { 
-      //cout << "read word in ResetSkip, fData: ";
-      //printf("%x\n",fData);
-      //cout << "return kFALSE in resetskip" << endl; 
-      return kFALSE;
-    }
-    //cout << "read word in ResetSkip, fData: ";
-    //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
-    fSkip[ddln]++;
+    if(fData==0xFFFFFFFF) return kTRUE;
   }
-  return kTRUE;
 }