1 #include "AliT0RawReader.h"
2 #include "AliT0Parameters.h"
3 #include "AliBitPacking.h"
12 ClassImp(AliT0RawReader)
14 AliT0RawReader::AliT0RawReader (AliRawReader *rawReader, Bool_t isOnline)
15 : TTask("T0RawReader","read raw T0 data"),
16 fRawReader(rawReader),
23 // create an object to read T0raw digits
27 fRawReader->Select("T0");
28 fParam = AliT0Parameters::Instance();
30 fParam->InitIfOnline();
35 AliT0RawReader::~AliT0RawReader ()
40 AliT0RawReader::AliT0RawReader(const AliT0RawReader& o): TTask(o),
41 fRawReader(rawReader),
50 Bool_t AliT0RawReader::Next()
52 // read the next raw digit
53 // returns kFALSE if there is no digit left
55 // Amplitude LED TRM=0; chain=0; TDC 0 -5 channel 0,2,4,6
56 // Time CFD TRM=0; chain=0; TDC 6 - 11 channel 0,2,4,6
57 // mean time TRM=0; chain=0; TDC 12 channel 0
58 // T0A TRM=0; chain=0; TDC 12 channel 2
59 // T0C TRM=0; chain=0; TDC 12 channel 4
60 // vertex TRM=0; chain=0; TDC 12 channel 6
61 // mult QTC0 TRM=0; chain=0; TDC 13 channel 0
62 // mult QTC1 TRM=0; chain=0; TDC 13 channel 2
64 // Charge QTC0 TRM=1; chain=0; TDC 0 -5 channel 0,2,4,6
65 // Charge QTC1 TRM=1; chain=0; TDC 6 - 11 channel 0,2,4,6
66 // T0A trigger TRM=1; chain=0; TDC 12 channel 0
67 // T0C trigger TRM=1; chain=0; TDC 12 channel 2
68 // vertex trigger TRM=1; chain=0; TDC 12 channel 4
69 // trigger central TRM=1; chain=0; TDC 13 channel 0
70 // tigger semicenral TRM=1; chain=0; TDC 13 channel 2
72 // allData array collect data from all channels in one :
73 // allData[0] - allData[23] 24 CFD channels
74 // allData[24] - allData[47] 24 LED channels
75 // allData[48] mean (T0) signal
76 // allData[49] time difference (vertex)
80 Int_t time=0, itdc=0, ichannel=0, uu;
81 Int_t numberOfWordsInTRM=0, iTRM=0;
82 Int_t tdcTime, koef,hit=0;
84 Int_t TRM_CHAIN_0_HEADER = 0x00000000;
85 Int_t TRM_CHAIN_0_TRAILER = 0x10000000;
87 Int_t FILLER = 0x70000000;
91 Int_t fNTRM = fParam->GetNumberOfTRMs();
92 for ( Int_t k=0; k<110; k++) {
94 for ( Int_t jj=0; jj<5; jj++) {
99 if (!fRawReader->ReadNextData(fData)) return kFALSE;
100 } while (fRawReader->GetDataSize() == 0);
103 // cout.setf( ios_base::hex, ios_base::basefield );
106 for (Int_t i=0; i<6; i++) {
107 word = GetNextWord();
108 header = AliBitPacking::UnpackWord(word,28,31);
111 AliWarning(Form(" !!!! wrong DRM header %x!!!!", word));
112 fRawReader->AddFatalErrorLog(kWrongDRMHeader,Form("w=%x",word));
117 for (Int_t ntrm=0; ntrm< fNTRM; ntrm++)
120 word = GetNextWord();
121 header = AliBitPacking::UnpackWord(word,28,31);
124 AliWarning(Form(" !!!! wrong TRM header %x!!!!", word));
125 fRawReader->AddMajorErrorLog(kWrongTRMHeader,Form("w=%x",word));
128 numberOfWordsInTRM=AliBitPacking::UnpackWord(word,4,16);
129 iTRM=AliBitPacking::UnpackWord(word,0,3);
130 for( Int_t ichain=0; ichain<2; ichain++)
133 word = GetNextWord();
134 uu = word & TRM_CHAIN_0_HEADER;
135 if(uu != TRM_CHAIN_0_HEADER)
137 AliWarning(Form(" !!!! wrong CHAIN 0 header %x!!!!", word));
138 fRawReader->AddMajorErrorLog(kWrongChain0Header,Form("w=%x",word));
141 word = GetNextWord();
142 tdcTime = AliBitPacking::UnpackWord(word,31,31);
143 for (; tdcTime==1; tdcTime)
145 itdc=AliBitPacking::UnpackWord(word,24,27);
146 ichannel=AliBitPacking::UnpackWord(word,21,23);
147 time=AliBitPacking::UnpackWord(word,0,20);
149 koef = fParam->GetChannel(iTRM,itdc,ichain,ichannel);
151 AliWarning(Form("Incorrect lookup table ! "));
152 fRawReader->AddMajorErrorLog(kIncorrectLUT);
157 fAllData[koef][hit]=time;
160 word = GetNextWord();
161 tdcTime = AliBitPacking::UnpackWord(word,31,31);
166 uu = word&TRM_CHAIN_0_TRAILER;
167 if(uu != TRM_CHAIN_0_TRAILER )
169 AliWarning(Form(" !!!! wrong CHAIN 0 trailer %x !!!!", word));
170 fRawReader->AddMajorErrorLog(kWrongChain0Trailer,Form("w=%x",word));
175 word = GetNextWord(); //TRM trailer
176 header = AliBitPacking::UnpackWord(word,28,31);
179 AliWarning(Form(" !!!! wrong TRM GLOBAL trailer %x!!!!", word));
180 fRawReader->AddMajorErrorLog(kWrongTRMTrailer,Form("w=%x",word));
184 word = GetNextWord(); //
185 if (word == FILLER ) word = GetNextWord();
186 header = AliBitPacking::UnpackWord(word,28,31);
189 AliWarning(Form(" !!!! wrong DRM GLOBAL trailer %x!!!!", word));
190 fRawReader->AddFatalErrorLog(kWrongDRMTrailer,Form("w=%x",word));
192 cout.setf( ios_base::dec, ios_base::basefield );
196 //_____________________________________________________________________________
197 Int_t AliT0RawReader::GetPosition()
199 // Sets the position in the
201 if (((fRawReader->GetDataSize() * 8) % 32) != 0)
202 AliFatal(Form("Incorrect raw data size ! %d words are found !",fRawReader->GetDataSize()));
203 return (fRawReader->GetDataSize() * 8) / 32;
205 //_____________________________________________________________________________
206 UInt_t AliT0RawReader::GetNextWord()
208 // Read the next 32 bit word in backward direction
209 // The input stream access is given by fData and fPosition
213 Int_t iBit = fPosition * 32;
214 Int_t iByte = iBit / 8;
217 word = fData[iByte+3]<<24;
218 word |= fData[iByte+2]<<16;
219 word |= fData[iByte+1]<<8;
220 word |= fData[iByte];