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dc7ca31d 1#include "AliT0RawReader.h"
e0bba6cc 2#include "AliT0Parameters.h"
dc7ca31d 3#include "AliBitPacking.h"
4#include "TBits.h"
5
6#include <Riostream.h>
7#include "TMath.h"
8#include "TH1F.h"
9#include "TArrayI.h"
10#include "AliLog.h"
11
12ClassImp(AliT0RawReader)
13
4a6b40d0 14 AliT0RawReader::AliT0RawReader (AliRawReader *rawReader, Bool_t isOnline)
dc7ca31d 15 : TTask("T0RawReader","read raw T0 data"),
dc7ca31d 16 fRawReader(rawReader),
17 fData(NULL),
807a797f 18 fPosition(0),
f8bea420 19 fParam(NULL),
4a6b40d0 20 fIsOnline(isOnline)
dc7ca31d 21{
22 //
23// create an object to read T0raw digits
24 AliDebug(1,"Start ");
dc7ca31d 25
26 fRawReader->Reset();
27 fRawReader->Select("T0");
29d3e0eb 28 fParam = AliT0Parameters::Instance();
29 if (fIsOnline)
f8bea420 30 fParam->InitIfOnline();
31 else
32 fParam->Init();
29d3e0eb 33
dc7ca31d 34}
35 AliT0RawReader::~AliT0RawReader ()
36{
37 //
38}
c41ceaac 39/*
40AliT0RawReader::AliT0RawReader(const AliT0RawReader& o): TTask(o),
41 fRawReader(rawReader),
42 fData(NULL),
43 fPosition(0)
44{
45 //
46}
47*/
48
dc7ca31d 49
50Bool_t AliT0RawReader::Next()
51{
52// read the next raw digit
53// returns kFALSE if there is no digit left
54//"LookUpTable":
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
63
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
71//
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)
77
e0bba6cc 78
dc7ca31d 79 UInt_t word;
5325480c 80 Int_t time=0, itdc=0, ichannel=0, uu;
dc7ca31d 81 Int_t numberOfWordsInTRM=0, iTRM=0;
5325480c 82 Int_t tdcTime, koef,hit=0;
83 Int_t koefhits[110];
807a797f 84 Int_t TRM_CHAIN_0_HEADER = 0x00000000;
5325480c 85 Int_t TRM_CHAIN_0_TRAILER = 0x10000000;
807a797f 86
87 Int_t FILLER = 0x70000000;
88 Bool_t correct=kTRUE;
89 Int_t header;
4a6b40d0 90
f8bea420 91 Int_t fNTRM = fParam->GetNumberOfTRMs();
f8bea420 92 for ( Int_t k=0; k<110; k++) {
807a797f 93 koefhits[k]=0;
94 for ( Int_t jj=0; jj<5; jj++) {
95 fAllData[k][jj]=0;
f8bea420 96 }
97 }
e0bba6cc 98 do {
807a797f 99 if (!fRawReader->ReadNextData(fData)) return kFALSE;
100 } while (fRawReader->GetDataSize() == 0);
101
807a797f 102 fPosition = 0;
29d3e0eb 103 // cout.setf( ios_base::hex, ios_base::basefield );
807a797f 104
105 //DRM header
5325480c 106 for (Int_t i=0; i<6; i++) {
107 word = GetNextWord();
807a797f 108 header = AliBitPacking::UnpackWord(word,28,31);
109 if( header !=4 )
5325480c 110 {
29d3e0eb 111 AliWarning(Form(" !!!! wrong DRM header %x!!!!", word));
112 fRawReader->AddFatalErrorLog(kWrongDRMHeader,Form("w=%x",word));
5325480c 113 break;
807a797f 114 }
5325480c 115 }
116
807a797f 117 for (Int_t ntrm=0; ntrm< fNTRM; ntrm++)
118 {
119 //TRMheader
120 word = GetNextWord();
29d3e0eb 121 header = AliBitPacking::UnpackWord(word,28,31);
122 if ( header != 4 )
123 {
124 AliWarning(Form(" !!!! wrong TRM header %x!!!!", word));
125 fRawReader->AddMajorErrorLog(kWrongTRMHeader,Form("w=%x",word));
126 break;
127 }
807a797f 128 numberOfWordsInTRM=AliBitPacking::UnpackWord(word,4,16);
129 iTRM=AliBitPacking::UnpackWord(word,0,3);
807a797f 130 for( Int_t ichain=0; ichain<2; ichain++)
c41ceaac 131 {
807a797f 132 //chain header
133 word = GetNextWord();
134 uu = word & TRM_CHAIN_0_HEADER;
135 if(uu != TRM_CHAIN_0_HEADER)
136 {
29d3e0eb 137 AliWarning(Form(" !!!! wrong CHAIN 0 header %x!!!!", word));
138 fRawReader->AddMajorErrorLog(kWrongChain0Header,Form("w=%x",word));
807a797f 139 break;
140 }
141 word = GetNextWord();
807a797f 142 tdcTime = AliBitPacking::UnpackWord(word,31,31);
143 for (; tdcTime==1; tdcTime)
144 {
145 itdc=AliBitPacking::UnpackWord(word,24,27);
146 ichannel=AliBitPacking::UnpackWord(word,21,23);
147 time=AliBitPacking::UnpackWord(word,0,20);
148
149 koef = fParam->GetChannel(iTRM,itdc,ichain,ichannel);
807a797f 150 if (koef ==-1 ){
29d3e0eb 151 AliWarning(Form("Incorrect lookup table ! "));
152 fRawReader->AddMajorErrorLog(kIncorrectLUT);
807a797f 153 correct=kFALSE;
154 }
155 if(correct){
156 hit=koefhits[koef];
807a797f 157 fAllData[koef][hit]=time;
158 koefhits[koef]++;
159 }
160 word = GetNextWord();
807a797f 161 tdcTime = AliBitPacking::UnpackWord(word,31,31);
162
5325480c 163 }
c41ceaac 164
94c27e4f 165
807a797f 166 uu = word&TRM_CHAIN_0_TRAILER;
167 if(uu != TRM_CHAIN_0_TRAILER )
168 {
29d3e0eb 169 AliWarning(Form(" !!!! wrong CHAIN 0 trailer %x !!!!", word));
170 fRawReader->AddMajorErrorLog(kWrongChain0Trailer,Form("w=%x",word));
807a797f 171 break;
172 }
173 }
174
175 word = GetNextWord(); //TRM trailer
807a797f 176 header = AliBitPacking::UnpackWord(word,28,31);
177 if( header !=5 )
178 {
29d3e0eb 179 AliWarning(Form(" !!!! wrong TRM GLOBAL trailer %x!!!!", word));
180 fRawReader->AddMajorErrorLog(kWrongTRMTrailer,Form("w=%x",word));
807a797f 181 break;
182 }
183 } //TRM loop
184 word = GetNextWord(); //
807a797f 185 if (word == FILLER ) word = GetNextWord();
21ab892d 186 header = AliBitPacking::UnpackWord(word,28,31);
187 if( header !=5 )
188 {
189 AliWarning(Form(" !!!! wrong DRM GLOBAL trailer %x!!!!", word));
190 fRawReader->AddFatalErrorLog(kWrongDRMTrailer,Form("w=%x",word));
807a797f 191 }
21ab892d 192 cout.setf( ios_base::dec, ios_base::basefield );
807a797f 193
21ab892d 194 return kTRUE;
dc7ca31d 195}
196//_____________________________________________________________________________
dc7ca31d 197Int_t AliT0RawReader::GetPosition()
198{
199 // Sets the position in the
200 // input stream
807a797f 201 if (((fRawReader->GetDataSize() * 8) % 32) != 0)
202 AliFatal(Form("Incorrect raw data size ! %d words are found !",fRawReader->GetDataSize()));
dc7ca31d 203 return (fRawReader->GetDataSize() * 8) / 32;
204}
205//_____________________________________________________________________________
206UInt_t AliT0RawReader::GetNextWord()
207{
208 // Read the next 32 bit word in backward direction
209 // The input stream access is given by fData and fPosition
210
211
212 // fPosition--;
213 Int_t iBit = fPosition * 32;
214 Int_t iByte = iBit / 8;
215
216 UInt_t word = 0;
217 word = fData[iByte+3]<<24;
218 word |= fData[iByte+2]<<16;
219 word |= fData[iByte+1]<<8;
220 word |= fData[iByte];
221 fPosition++;
222
223 return word;
224
225}
226