#include "AliITSRawStreamSDD.h"
#include "AliRawReader.h"
#include "AliLog.h"
-#include "Riostream.h"
ClassImp(AliITSRawStreamSDD)
AliITSRawStreamSDD::AliITSRawStreamSDD(AliRawReader* rawReader) :
AliITSRawStream(rawReader),
fData(0),
-fCarlosId(-1),
fEventId(0),
+fCarlosId(-1),
fChannel(0),
fJitter(0),
fNCarlos(kModulesPerDDL),
fDDL(0),
-fIdcd(0),
fEndWords(0),
fResetSkip(0)
{
{
// 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)
+
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;
- }
-
-
- for(Int_t i=0;i<kModulesPerDDL;i++) fICountFoot[i]=0;
+ fCompletedModule=kFALSE;
while (kTRUE) {
+ if(fResetSkip==0){
+ Bool_t kSkip = ResetSkip(ddln);
+ fResetSkip=1;
+ if(!kSkip) return kSkip;
+ }
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 (!fRawReader->ReadNextInt(fData)) return kFALSE; // read next word
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){
- 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;
- fCarlosId = fNfifo[fData-fIFifoWord[0]];
- //cout << "fCarlosId set to " << fCarlosId << " from FIFO Word" << endl;
- }
- }
-
- if((fData >> 4) == 0xFF00000){ // jitter word
+ 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;
- return kTRUE;
+ continue;
}
- 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
+
+ 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
+ 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)
- Bool_t exit=kTRUE;
- for(Int_t ic=0;ic<fNCarlos;ic++){
- if(fICountFoot[ic]<3) exit=kFALSE;
+ if(fICountFoot[fCarlosId]==3){
+ fCompletedModule=kTRUE;
+ 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
+ fEndWords++;
+ if(fEndWords<=12) continue;
+ }else{
+ fRawReader->AddMajorErrorLog(kDataError,"Too many footers");
+ AliWarning(Form("invalid data: too many footers\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 { // unknown data format
fRawReader->AddMajorErrorLog(kDataFormatErr,Form("Invalid data %8.8x",fData));
AliWarning(Form("invalid data: %8.8x\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 (fNCarlos == 8 && fCarlosId >= 8) continue; // old data, fNCarlos = 8;
+
+ fModuleID = fgkDDLModuleMap[fRawReader->GetDDLID()][fCarlosId];
+
} else { // decode data
- fIdcd++;
if (fReadCode[fCarlosId][fChannel]) {// read the next code word
fChannelCode[fCarlosId][fChannel] = ReadBits();
fReadCode[fCarlosId][fChannel] = kFALSE;
fCoord1 = fAnode[fCarlosId][fChannel];
fCoord2 = fTimeBin[fCarlosId][fChannel];
fTimeBin[fCarlosId][fChannel]++;
- //cout << "data read, Module, Anode, Time, Charge = " << fModuleID << "," << fCoord1 << "," << fCoord2 << "," << fSignal << endl;
+ //printf("Data read, Module=%d , Anode=%d , Time=%d , Charge=%d\n",fModuleID,fCoord1,fCoord2,fSignal);
return kTRUE;
}
}
}
}
- return kFALSE;
-
+ return kFALSE;
}
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;
}
}
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)) {
- //cout << "read word in ResetSkip, fData: ";
- //printf("%x\n",fData);
- //cout << "return kFALSE in resetskip" << endl;
return kFALSE;
}
- //cout << "read word in ResetSkip, fData: ";
+ if(fData==0xFFFFFFFF) startCount=kTRUE;
//printf("%x\n",fData);
if ((fData >> 30) == 0x01) continue; // JTAG word
- fSkip[ddln]++;
+ if(startCount) fSkip[ddln]++;
}
return kTRUE;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff