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8484394b | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /////////////////////////////////////////////////////////////////////////////// | |
17 | /// | |
18 | /// This is a class for reading the AD DDL raw data | |
19 | /// The format of the raw data corresponds to the one | |
20 | /// implemented in AliADBuffer class. | |
21 | /// | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include "AliADRawStream.h" | |
25 | #include "AliRawReader.h" | |
26 | #include "AliLog.h" | |
27 | #include "AliDAQ.h" | |
28 | #include "AliADCalibData.h" | |
29 | ClassImp(AliADRawStream) | |
30 | ||
31 | //_____________________________________________________________________________ | |
32 | AliADRawStream::AliADRawStream(AliRawReader* rawReader) : | |
33 | fTrigger(0), | |
34 | fTriggerMask(0), | |
35 | fPosition(-1), | |
36 | fRawReader(rawReader), | |
37 | fData(NULL) | |
38 | { | |
39 | // create an object to read AD raw data | |
40 | // | |
41 | // select the raw data corresponding to | |
42 | // the AD detector id | |
43 | fRawReader->Reset(); | |
fcb6ff8b | 44 | AliDebug(1,Form("Selecting raw data for detector %d",AliDAQ::DetectorID("VZERO"))); |
45 | fRawReader->Select("VZERO"); | |
8484394b | 46 | |
47 | // Initalize the containers | |
48 | for(Int_t i = 0; i < kNChannels; i++) { | |
49 | fTime[i] = fWidth[i] = 0; | |
50 | for(Int_t j = 0; j < kNEvOfInt; j++) { | |
51 | fADC[i][j] = 0; | |
52 | fIsInt[i][j] = fIsBB[i][j] = fIsBG[i][j] = kFALSE; | |
53 | } | |
54 | fBBScalers[i] = fBGScalers[i] = 0; | |
55 | for(Int_t j = 0; j < kNBunches; j++) { | |
56 | fChargeMB[i][j] = 0; | |
57 | fIsIntMB[i][j] = fIsBBMB[i][j] = fIsBGMB[i][j] = kFALSE; | |
58 | } | |
59 | } | |
60 | for(Int_t i = 0; i < kNScalers; i++) fScalers[i] = 0; | |
61 | for(Int_t i = 0; i < kNBunches; i++) fBunchNumbers[i] = 0; | |
62 | } | |
63 | ||
64 | //_____________________________________________________________________________ | |
65 | AliADRawStream::~AliADRawStream() | |
66 | { | |
67 | // destructor | |
68 | } | |
69 | ||
70 | //_____________________________________________________________________________ | |
71 | void AliADRawStream::Reset() | |
72 | { | |
73 | // reset raw stream params | |
74 | ||
75 | // Reinitalize the containers | |
76 | for(Int_t i = 0; i < kNChannels; i++) { | |
77 | fTime[i] = fWidth[i] = 0; | |
78 | for(Int_t j = 0; j < kNEvOfInt; j++) { | |
79 | fADC[i][j] = 0; | |
80 | fIsInt[i][j] = fIsBB[i][j] = fIsBG[i][j] = kFALSE; | |
81 | } | |
82 | fBBScalers[i] = fBGScalers[i] = 0; | |
83 | for(Int_t j = 0; j < kNBunches; j++) { | |
84 | fChargeMB[i][j] = 0; | |
85 | fIsIntMB[i][j] = fIsBBMB[i][j] = fIsBGMB[i][j] = kFALSE; | |
86 | } | |
87 | } | |
88 | for(Int_t i = 0; i < kNScalers; i++) fScalers[i] = 0; | |
89 | for(Int_t i = 0; i < kNBunches; i++) fBunchNumbers[i] = 0; | |
90 | ||
91 | fTrigger = fTriggerMask = 0; | |
92 | fPosition = -1; | |
93 | fData = NULL; | |
94 | ||
95 | if (fRawReader) fRawReader->Reset(); | |
96 | } | |
97 | ||
98 | //_____________________________________________________________________________ | |
99 | Bool_t AliADRawStream::Next() | |
100 | { | |
101 | // read next digit from the AD raw data stream | |
102 | // return kFALSE in case of error or no digits left | |
103 | ||
104 | if (fPosition >= 0) return kFALSE; | |
105 | ||
106 | if (!fRawReader->ReadNextData(fData)) return kFALSE; | |
107 | if (fRawReader->GetDataSize() == 0) return kFALSE; | |
108 | ||
fcb6ff8b | 109 | if (fRawReader->GetDataSize() != 5936) { |
110 | fRawReader->AddFatalErrorLog(kRawDataSizeErr,Form("size %d != 5936",fRawReader->GetDataSize())); | |
111 | AliWarning(Form("Wrong AD raw data size: %d, expected 5936 bytes!",fRawReader->GetDataSize())); | |
8484394b | 112 | return kFALSE; |
113 | } | |
114 | ||
115 | fPosition = 0; | |
116 | ||
117 | fTrigger = GetNextWord() & 0xffff; | |
118 | fTriggerMask = GetNextWord() & 0xffff; | |
119 | ||
120 | for(Int_t iScaler = 0; iScaler < kNScalers; iScaler++) | |
121 | fScalers[iScaler] = GetNextWord(); | |
122 | ||
123 | for(Int_t iBunch = 0; iBunch < kNBunches; iBunch++) | |
124 | fBunchNumbers[iBunch] = GetNextWord(); | |
fcb6ff8b | 125 | |
126 | Int_t iCIU=0; | |
127 | for (Int_t iV0CIU = 0; iV0CIU < 8; iV0CIU++) { | |
128 | ||
0c29ab3d | 129 | if(iV0CIU != 0 || iV0CIU != 6) { |
fcb6ff8b | 130 | for(Int_t iWord = 0; iWord<182; iWord++) GetNextWord(); |
131 | continue; | |
132 | } | |
8484394b | 133 | |
134 | // decoding of one Channel Interface Unit numbered iCIU - there are 8 channels per CIU (and 2 CIUs) : | |
135 | ||
136 | for (Int_t iChannel_Offset = iCIU*8; iChannel_Offset < (iCIU*8)+8; iChannel_Offset=iChannel_Offset+4) { | |
137 | for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) { | |
138 | for(Int_t iEvOfInt = 0; iEvOfInt < kNEvOfInt; iEvOfInt++) { | |
139 | UShort_t data = GetNextShort(); | |
140 | fADC[iChannel][iEvOfInt] = data & 0x3ff; | |
141 | fIsInt[iChannel][iEvOfInt] = (data >> 10) & 0x1; | |
142 | } | |
143 | } | |
144 | for(Int_t iEvOfInt = 0; iEvOfInt < kNEvOfInt; iEvOfInt=iEvOfInt+2) { | |
145 | UShort_t data = GetNextShort(); | |
146 | for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) { | |
147 | fIsBB[iChannel][iEvOfInt] = (data >> 2*(iChannel-iChannel_Offset)) & 0x1; | |
148 | fIsBG[iChannel][iEvOfInt] = (data >> (2*(iChannel-iChannel_Offset)+1)) & 0x1; | |
149 | if(iEvOfInt < (kNEvOfInt - 1)) { | |
150 | fIsBB[iChannel][iEvOfInt+1] = (data >> (8+ 2*(iChannel-iChannel_Offset))) & 0x1; | |
151 | fIsBG[iChannel][iEvOfInt+1] = (data >> (8+ 2*(iChannel-iChannel_Offset)+1)) & 0x1; | |
152 | } | |
153 | } | |
154 | } | |
155 | ||
156 | GetNextShort(); | |
157 | ||
158 | for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) { | |
159 | for(Int_t iBunch = 0; iBunch < kNBunches; iBunch++) { | |
160 | UShort_t data = GetNextShort(); | |
161 | fChargeMB[iChannel][iBunch] = data & 0x3ff; | |
162 | fIsIntMB[iChannel][iBunch] = (data >> 10) & 0x1; | |
163 | } | |
164 | } | |
165 | ||
166 | for(Int_t iBunch = 0; iBunch < kNBunches; iBunch=iBunch+2) { | |
167 | UShort_t data = GetNextShort(); | |
168 | for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) { | |
169 | fIsBBMB[iChannel][iBunch] = (data >> 2*iBunch) & 0x1; | |
170 | fIsBGMB[iChannel][iBunch] = (data >> (2*iBunch+1)) & 0x1; | |
171 | if(iBunch < (kNBunches - 1)) { | |
172 | fIsBBMB[iChannel][iBunch+1] = (data >> (8+2*iBunch)) & 0x1; | |
173 | fIsBGMB[iChannel][iBunch+1] = (data >> (8+2*iBunch+1)) & 0x1; | |
174 | } | |
175 | } | |
176 | } | |
177 | ||
178 | GetNextShort(); | |
179 | ||
180 | for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) { | |
181 | fBBScalers[iChannel] = ((ULong64_t)GetNextWord()) << 32; | |
182 | fBBScalers[iChannel] |= GetNextWord(); | |
183 | fBGScalers[iChannel] = ((ULong64_t)GetNextWord()) << 32; | |
184 | fBGScalers[iChannel] |= GetNextWord(); | |
185 | } | |
186 | ||
187 | } | |
188 | ||
189 | for(Int_t iChannel = (iCIU*8) + 7; iChannel >= iCIU*8; iChannel--) { | |
190 | UInt_t time = GetNextWord(); | |
191 | fTime[iChannel] = time & 0xfff; | |
192 | fWidth[iChannel] = ((time >> 12) & 0x7f); // HPTDC used in pairing mode | |
193 | } | |
fcb6ff8b | 194 | iCIU++; |
8484394b | 195 | // End of decoding of one CIU card |
fcb6ff8b | 196 | AliWarning(Form("Number of bytes used at end of reading CIU card number %d %d", iCIU+1, fPosition)); |
8484394b | 197 | |
198 | } // end of decoding the eight CIUs | |
199 | ||
200 | return kTRUE; | |
201 | } | |
202 | ||
203 | //_____________________________________________________________________________ | |
204 | UInt_t AliADRawStream::GetNextWord() | |
205 | { | |
206 | // This method returns the next 32 bit word | |
207 | // inside the raw data payload. | |
208 | // The method is supposed to be endian (platform) | |
209 | // independent. | |
210 | if (!fData || fPosition < 0) AliFatal("Raw data payload buffer is not yet initialized !"); | |
211 | ||
212 | UInt_t word = 0; | |
213 | word |= fData[fPosition++]; | |
214 | word |= fData[fPosition++] << 8; | |
215 | word |= fData[fPosition++] << 16; | |
216 | word |= fData[fPosition++] << 24; | |
217 | ||
218 | return word; | |
219 | } | |
220 | ||
221 | //_____________________________________________________________________________ | |
222 | UShort_t AliADRawStream::GetNextShort() | |
223 | { | |
224 | // This method returns the next 16 bit word | |
225 | // inside the raw data payload. | |
226 | // The method is supposed to be endian (platform) | |
227 | // independent. | |
228 | if (!fData || fPosition < 0) AliFatal("Raw data payload buffer is not yet initialized !"); | |
229 | ||
230 | UShort_t word = 0; | |
231 | word |= fData[fPosition++]; | |
232 | word |= fData[fPosition++] << 8; | |
233 | ||
234 | return word; | |
235 | } |