1 #include "AliT0RawReader.h"
2 #include "AliT0Parameters.h"
3 #include "AliBitPacking.h"
12 ClassImp(AliT0RawReader)
14 AliT0RawReader::AliT0RawReader (AliRawReader *rawReader)
15 : TTask("T0RawReader","read raw T0 data"),
16 fRawReader(rawReader),
21 // create an object to read T0raw digits
25 fRawReader->Select("T0");
28 AliT0RawReader::~AliT0RawReader ()
33 AliT0RawReader::AliT0RawReader(const AliT0RawReader& o): TTask(o),
34 fRawReader(rawReader),
43 Bool_t AliT0RawReader::Next()
45 // read the next raw digit
46 // returns kFALSE if there is no digit left
48 // Amplitude LED TRM=0; chain=0; TDC 0 -5 channel 0,2,4,6
49 // Time CFD TRM=0; chain=0; TDC 6 - 11 channel 0,2,4,6
50 // mean time TRM=0; chain=0; TDC 12 channel 0
51 // T0A TRM=0; chain=0; TDC 12 channel 2
52 // T0C TRM=0; chain=0; TDC 12 channel 4
53 // vertex TRM=0; chain=0; TDC 12 channel 6
54 // mult QTC0 TRM=0; chain=0; TDC 13 channel 0
55 // mult QTC1 TRM=0; chain=0; TDC 13 channel 2
57 // Charge QTC0 TRM=1; chain=0; TDC 0 -5 channel 0,2,4,6
58 // Charge QTC1 TRM=1; chain=0; TDC 6 - 11 channel 0,2,4,6
59 // T0A trigger TRM=1; chain=0; TDC 12 channel 0
60 // T0C trigger TRM=1; chain=0; TDC 12 channel 2
61 // vertex trigger TRM=1; chain=0; TDC 12 channel 4
62 // trigger central TRM=1; chain=0; TDC 13 channel 0
63 // tigger semicenral TRM=1; chain=0; TDC 13 channel 2
65 // allData array collect data from all channels in one :
66 // allData[0] - allData[23] 24 CFD channels
67 // allData[24] - allData[47] 24 LED channels
68 // allData[48] mean (T0) signal
69 // allData[49] time difference (vertex)
73 Int_t time=0, itdc=0, ichannel=0, uu;
74 Int_t numberOfWordsInTRM=0, iTRM=0;
75 Int_t tdcTime, koef,hit=0;
78 Int_t fDRM_GLOBAL_HEADER = 0x40000001;
79 Int_t fDRM_GLOBAL_TRAILER = 0x50000001;
81 Int_t TRM_GLOBAL_HEADER = 0x40000000;
82 Int_t TRM_CHAIN_0_HEADER = 0x00000000;
83 Int_t TRM_CHAIN_1_HEADER = 0x20000000;
84 Int_t TRM_CHAIN_0_TRAILER = 0x10000000;
85 Int_t TRM_CHAIN_1_TRAILER = 0x30000000;
86 Int_t TRM_GLOBAL_TRAILER = 0x5000000f;
88 Int_t FILLER = 0x70000000;
90 AliT0Parameters* param = AliT0Parameters::Instance();
92 Int_t fNTRM = param->GetNumberOfTRMs();
94 for ( Int_t k=0; k<110; k++) {
96 for ( Int_t jj=0; jj<5; jj++) {
101 if (!fRawReader->ReadNextData(fData)) return kFALSE;
102 } while (fRawReader->GetDataSize() == 0);
104 // fPosition = GetPosition();
106 // cout.setf( ios_base::hex, ios_base::basefield );
109 for (Int_t i=0; i<6; i++) {
110 word = GetNextWord();
111 uu = word&fDRM_GLOBAL_HEADER;
112 if(uu != fDRM_GLOBAL_HEADER )
114 AliWarning(Form(" !!!! wrong DRM header %x!!!!", word));
115 fRawReader->AddFatalErrorLog(kWrongDRMHeader,Form("w=%x",word));
120 for (Int_t ntrm=0; ntrm< fNTRM; ntrm++)
123 word = GetNextWord();
124 uu = word&TRM_GLOBAL_HEADER;
125 if(uu != TRM_GLOBAL_HEADER )
127 AliWarning(Form(" !!!! wrong TRM header %x!!!!", word));
128 fRawReader->AddMajorErrorLog(kWrongTRMHeader,Form("w=%x",word));
131 numberOfWordsInTRM=AliBitPacking::UnpackWord(word,4,16);
132 iTRM=AliBitPacking::UnpackWord(word,0,3);
135 word = GetNextWord();
136 uu = word & TRM_CHAIN_0_HEADER;
137 if(uu != TRM_CHAIN_0_HEADER)
139 AliWarning(Form(" !!!! wrong CHAIN 0 header %x!!!!", word));
140 fRawReader->AddMajorErrorLog(kWrongChain0Header,Form("w=%x",word));
143 Int_t ichain=AliBitPacking::UnpackWord(word,0,3);
145 for (Int_t i=0; i<numberOfWordsInTRM-6; i++) {
146 word = GetNextWord();
147 tdcTime = AliBitPacking::UnpackWord(word,31,31);
151 itdc=AliBitPacking::UnpackWord(word,24,27);
152 ichannel=AliBitPacking::UnpackWord(word,21,23);
153 time=AliBitPacking::UnpackWord(word,0,20);
154 koef = param->GetChannel(iTRM,itdc,ichain,ichannel);
156 AliWarning(Form("Incorrect lookup table ! "));
157 fRawReader->AddMajorErrorLog(kIncorrectLUT);
161 if(fAllData[koef][hit] == 0) fAllData[koef][hit]=time;
163 // cout<<koef<<" "<<iTRM<<" "<<itdc<<" "<<ichannel<<" "<<time<<endl;
167 word = GetNextWord(); //chain 0 trailer
168 uu = word&TRM_CHAIN_0_TRAILER;
169 if(uu != TRM_CHAIN_0_TRAILER )
171 AliWarning(Form(" !!!! wrong CHAIN 0 trailer %x !!!!", word));
172 fRawReader->AddMajorErrorLog(kWrongChain0Trailer,Form("w=%x",word));
177 word = GetNextWord(); //chain 1 header
178 uu = word & TRM_CHAIN_1_HEADER;
179 if(uu != TRM_CHAIN_1_HEADER)
181 AliWarning(Form(" !!!! wrong CHAIN 1 header %x !!!!", word));
182 fRawReader->AddMajorErrorLog(kWrongChain1Header,Form("w=%x",word));
185 word = GetNextWord(); //chain trailer
186 uu = word&TRM_CHAIN_1_TRAILER;
187 if(uu != TRM_CHAIN_1_TRAILER )
189 AliWarning(Form(" !!!! wrong CHAIN 1 trailer %x!!!!", word));
190 fRawReader->AddMajorErrorLog(kWrongChain1Trailer,Form("w=%x",word));
194 word = GetNextWord(); //TRM trailer
195 uu = word& TRM_GLOBAL_TRAILER;
196 if(uu != TRM_GLOBAL_TRAILER )
198 AliWarning(Form(" !!!! wrong TRM GLOBAL trailer %x!!!!", word));
199 fRawReader->AddMajorErrorLog(kWrongTRMTrailer,Form("w=%x",word));
204 word = GetNextWord(); //
205 if (word == FILLER ) { word = GetNextWord(); }
206 uu = word& fDRM_GLOBAL_TRAILER;
207 if(uu != fDRM_GLOBAL_TRAILER )
209 AliWarning(Form(" !!!! wrong DRM GLOBAL trailer %x!!!!", word));
210 fRawReader->AddFatalErrorLog(kWrongDRMTrailer,Form("w=%x",word));
216 //_____________________________________________________________________________
217 Int_t AliT0RawReader::GetPosition()
219 // Sets the position in the
221 if (((fRawReader->GetDataSize() * 8) % 32) != 0) {
222 AliWarning(Form("Incorrect raw data size ! %d words are found !",fRawReader->GetDataSize()));
223 fRawReader->AddFatalErrorLog(kIncorrectDataSize,Form("s=%d",fRawReader->GetDataSize()));
225 return (fRawReader->GetDataSize() * 8) / 32;
227 //_____________________________________________________________________________
228 UInt_t AliT0RawReader::GetNextWord()
230 // Read the next 32 bit word in backward direction
231 // The input stream access is given by fData and fPosition
235 Int_t iBit = fPosition * 32;
236 Int_t iByte = iBit / 8;
239 word = fData[iByte+3]<<24;
240 word |= fData[iByte+2]<<16;
241 word |= fData[iByte+1]<<8;
242 word |= fData[iByte];