/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
-///
-/// This class provides access to ZDC digits in raw data.
-///
-/// It loops over all ZDC digits in the raw data given by the AliRawReader.
-/// The Next method goes to the next digit. If there are no digits left
-/// it returns kFALSE.
-/// Getters provide information about the current digit.
-///
+// //
+// This class provides access to ZDC digits in raw data. //
+// //
+// It loops over all ZDC digits in the raw data given by the AliRawReader. //
+// The Next method goes to the next digit. If there are no digits left //
+// it returns kFALSE. //
+// Getters provide information about the current digit. //
+// //
///////////////////////////////////////////////////////////////////////////////
#include "AliZDCRawStream.h"
#include "AliRawReader.h"
+#include "AliLog.h"
ClassImp(AliZDCRawStream)
//_____________________________________________________________________________
AliZDCRawStream::AliZDCRawStream(AliRawReader* rawReader) :
fRawReader(rawReader),
- fADCValue(-1)
+ fRawADC(0),
+ fADCModule(0),
+ fADCChannel(-1),
+ fADCValue(-1),
+ fADCGain(0),
+ fIsADCDataWord(kFALSE)
{
-// create an object to read ZDC raw digits
+ // Create an object to read ZDC raw digits
- fSector[0] = 1;
- fSector[1] = -1;
- fRawReader->Select(kDDLOffset / 0x100);
+ fRawReader->Select("ZDC");
}
//_____________________________________________________________________________
AliZDCRawStream::AliZDCRawStream(const AliZDCRawStream& stream) :
TObject(stream),
- fADCValue(-1)
+ fRawReader(stream.fRawReader),
+ fRawADC(stream.GetADCRaw()),
+ fADCModule(stream.GetADCModule()),
+ fADCChannel(stream.GetADCChannel()),
+ fADCValue(stream.GetADCValue()),
+ fADCGain(stream.GetADCGain()),
+ fIsADCDataWord(stream.IsADCDataWord())
{
-// copy constructor
-
- Fatal("AliZDCRawStream", "copy constructor not implemented");
+ // Copy constructor
+ for(Int_t j=0; j<2; j++) fSector[j] = stream.GetSector(j);
+
}
//_____________________________________________________________________________
AliZDCRawStream& AliZDCRawStream::operator = (const AliZDCRawStream&
/* stream */)
{
-// assignment operator
-
+ // Assignment operator
Fatal("operator =", "assignment operator not implemented");
return *this;
}
//_____________________________________________________________________________
AliZDCRawStream::~AliZDCRawStream()
{
-// destructor
+// Destructor
}
//_____________________________________________________________________________
Bool_t AliZDCRawStream::Next()
{
-// read the next raw digit
-// returns kFALSE if there is no digit left
+ // Read the next raw digit
+ // Returns kFALSE if there is no digit left
- if (!fRawReader->ReadNextInt((UInt_t&) fRawADC)) return kFALSE;
+ if(!fRawReader->ReadNextInt((UInt_t&) fRawADC)) return kFALSE;
fIsADCDataWord = kFALSE;
-
- //ADC Header
- if (fRawADC & 0x2000000) {
- printf("This is the ADC Header\n");
- printf("%d data words will follow \n",2*((fRawADC & 0x3f00) >> 8));
+ //
+ // --- DARC header
+ if((fRawADC == 0xe52b6300) || (fRawADC == 0xe52c0300) || (fRawADC == 0xffffffff) ||
+ (fRawADC == 0xdeadface) || (fRawADC == 0xdeadbeef)){
+ //printf(" This is a DARC header!!!\n");
+ }
+ // --- End of data
+ else if(fRawADC == 0xcafefade){
+ //printf(" End of data!\n");
}
- //ADC EOB
- else if (fRawADC & 0x4000000) {
- printf("This is the ADC End Of Block\n");
- printf("This was event number %d\n",(fRawADC & 0xffffff));
- } else
- //ADC Data Words
- {
- printf("This is an ADC Data Word\n");
- printf("Channel %d range %d\n",
- (fRawADC & 0x1e0000) >> 17, (fRawADC & 0x10000) >> 16);
- if(fRawADC & 0x1000) printf("Data = overflow\n");
- fADCGain = (fRawADC & 0x10000) >> 16;
- fADCValue = (fRawADC & 0xfff);
- fIsADCDataWord = kTRUE;
-
- Int_t ADCChannel = (fRawADC & 0x1e0000) >> 17;
- if (ADCChannel >= 0 && ADCChannel <= 4) {
- fSector[0] = 1;
- fSector[1] = ADCChannel;
- } else if (ADCChannel >= 8 && ADCChannel <= 12) {
- fSector[0] = 2;
- fSector[1] = ADCChannel-8;
- } else if (ADCChannel == 5 || ADCChannel == 13){
- fSector[0] = 3;
- fSector[1] = (ADCChannel-5)/8;
+ // --- ADC buffer
+ else{
+ Bool_t firstADCHeader = kTRUE;
+ //
+ if((fRawADC & 0x6000000) == 0x6000000){ // Not valid datum BEFORE valid data!
+ firstADCHeader = kFALSE;
+ //printf(" AliZDCRawStream -> Not valid datum in ADC module!!! %d\n",fADCModule);
}
- }
+ else if((fRawADC & 0x4000000) == 0x4000000){ // ADC EOB
+ //printf(" AliZDCRawStream -> ADC %d End Of Block - Event no. %d\n\n",fADCModule, (fRawADC & 0xffffff));
+ fSector[0] = fSector[1] = 99;
+ }
+ else if((fRawADC & 0x2000000) == 0x2000000){ // ADC Header
+ //printf(" fRawADC %x\n",fRawADC);
+ // Reading the GEO address to determine ADC module
+ fADCModule = (fRawADC & 0xf8000000) >> 27;
+ fADCModule ++;
+ // If the not valid datum isn't followed by the 1st ADC header
+ // the event is corrupted (i.e., 2 gates arrived before trigger)
+ if(fADCModule == 1) firstADCHeader = kTRUE;
+ //if(fADCModule == 1) printf(" fADCModule %d, firstADCHeader %d\n",fADCModule,firstADCHeader);
+ //printf(" AliZDCRawStream -> HEADER: ADC mod. %d contains %d data words \n",fADCModule,((fRawADC & 0x3f00) >> 8));
+ }
+ else{ // ADC data word
+ fIsADCDataWord = kTRUE;
+ //printf(" fRawADC = %x firstADCHeader %d\n",fRawADC,firstADCHeader);
+ //
+ if(!(fRawADC & 0x1000) && !(fRawADC & 0x2000) && firstADCHeader){ // Valid ADC data
+ fADCGain = (fRawADC & 0x10000) >> 16;
+ fADCValue = (fRawADC & 0xfff);
+ //
+ fADCChannel = (fRawADC & 0x1e0000) >> 17;
+ //
+ // If raw data corresponds to an ADC ch. without physical signal
+ // fsector[0] = fSector[1] = -1
+ for(Int_t i=0; i<2; i++)fSector[i] = -1;
+ //if(fSector[0]!=-1) printf(" \t \t ADC Data Word: ADC ch. %d",fADCChannel);
+ //
+ if(fADCModule==1 || fADCModule==3){ //1st & 3rd ADC modules
+ if(fADCChannel >= 0 && fADCChannel <= 4){
+ fSector[0] = 1; // ZN1
+ fSector[1] = fADCChannel;
+ }
+ else if(fADCChannel >= 8 && fADCChannel <= 12){
+ fSector[0] = 2; // ZP1
+ fSector[1] = fADCChannel-8;
+ }
+ else if(fADCChannel == 5 || fADCChannel == 13){
+ fSector[0] = 3; // ZEM 1,2
+ fSector[1] = ((fADCChannel-5)/8)+1;
+ }
+ }
+ else if(fADCModule==2 || fADCModule==4){ //2nd & 4rth ADC modules
+ if(fADCChannel >= 0 && fADCChannel <= 4){
+ fSector[0] = 4; // ZN2
+ fSector[1] = fADCChannel;
+ }
+ else if(fADCChannel >= 8 && fADCChannel <= 12){
+ fSector[0] = 5; // ZP2
+ fSector[1] = fADCChannel-8;
+ }
+ else if(fADCChannel == 5 || fADCChannel == 13){
+ fSector[0] = (fADCChannel-5)*3/8+1; // PM Ref 1,2
+ fSector[1] = 5;
+ }
+ }
+ else{
+ AliWarning(" AliZDCRawStream -> No valid ADC module\n");
+ fRawReader->AddMajorErrorLog(kInvalidADCModule);
+ }
+ //printf(" ADC %d ch %d range %d -> det %d quad %d value %x\n",
+ // fADCModule, fADCChannel, fADCGain, fSector[0], fSector[1], fADCValue);//Chiara debugging
+
+ }// Valid ADC data
+ else if(fRawADC & 0x1000){
+ //printf(" ADC %d ch %d range %d overflow\n",fADCModule, (fRawADC & 0x1e0000) >> 17, fADCGain); // Overflow
+ }
+ else if(fRawADC & 0x2000){
+ //printf(" ADC %d ch %d range %d underflow\n",fADCModule, (fRawADC & 0x1e0000) >> 17, fADCGain); // Underflow
+ }
+ }// ADC word
+ }//Not DARC Header
+
return kTRUE;
}