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939ae4b2 | 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 | /// | |
19 | /// Class Payload | |
20 | /// | |
21 | /// Decodes rawdata from buffer and stores in TClonesArray. | |
22 | /// | |
23 | /// First version implement for Tracker | |
24 | /// | |
25 | /////////////////////////////////////////////////////////////////////////////// | |
26 | ||
27 | #include "AliMUONPayloadTracker.h" | |
28 | ||
29 | #include "AliRawReader.h" | |
30 | #include "AliRawDataHeader.h" | |
31 | #include "AliLog.h" | |
32 | ||
33 | #include "AliMUONDspHeader.h" | |
34 | #include "AliMUONBlockHeader.h" | |
35 | #include "AliMUONBusStruct.h" | |
36 | #include "AliMUONDDLTracker.h" | |
37 | ||
38 | ClassImp(AliMUONPayloadTracker) | |
39 | ||
40 | AliMUONPayloadTracker::AliMUONPayloadTracker() | |
41 | : TObject(), | |
9f5dcca3 | 42 | fBusPatchId(0), |
43 | fDspId(0), | |
44 | fBlkId(0), | |
45 | fMaxDDL(20), | |
939ae4b2 | 46 | fMaxBlock(2), |
47 | fMaxDsp(5), | |
9f5dcca3 | 48 | fMaxBus(5), |
49 | fDDLTracker(new AliMUONDDLTracker()), | |
50 | fBusStruct(new AliMUONBusStruct()), | |
51 | fBlockHeader(new AliMUONBlockHeader()), | |
52 | fDspHeader(new AliMUONDspHeader()) | |
939ae4b2 | 53 | { |
54 | // | |
84ceeb06 | 55 | // create an object to decode MUON payload |
939ae4b2 | 56 | // |
939ae4b2 | 57 | |
939ae4b2 | 58 | } |
59 | ||
939ae4b2 | 60 | //___________________________________ |
61 | AliMUONPayloadTracker::~AliMUONPayloadTracker() | |
62 | { | |
63 | // | |
64 | // clean up | |
65 | // | |
939ae4b2 | 66 | delete fDDLTracker; |
67 | delete fBusStruct; | |
68 | delete fBlockHeader; | |
69 | delete fDspHeader; | |
70 | } | |
71 | ||
72 | //______________________________________________________ | |
84ceeb06 | 73 | Bool_t AliMUONPayloadTracker::Decode(UInt_t* buffer, Int_t totalDDLSize) |
939ae4b2 | 74 | { |
84ceeb06 | 75 | |
76 | // Each DDL is made with 2 Blocks each of which consists of 5 DSP's at most | |
77 | // and each of DSP has at most 5 buspatches. | |
78 | // The different structures, Block (CRT), DSP (FRT) and Buspatch, | |
79 | // are identified by a key word 0xFC0000FC, 0xF000000F and 0xB000000B respectively. | |
80 | // (fBusPatchManager no more needed !) | |
939ae4b2 | 81 | |
82 | ||
83 | //Read Header Size of DDL,Block,DSP and BusPatch | |
8ecc5cf0 | 84 | static Int_t kBlockHeaderSize = fBlockHeader->GetHeaderLength(); |
85 | static Int_t kDspHeaderSize = fDspHeader->GetHeaderLength(); | |
86 | static Int_t kBusPatchHeaderSize = fBusStruct->GetHeaderLength(); | |
939ae4b2 | 87 | |
84ceeb06 | 88 | // size structures |
939ae4b2 | 89 | Int_t totalBlockSize; |
90 | Int_t totalDspSize; | |
91 | Int_t totalBusPatchSize; | |
92 | Int_t dataSize; | |
84ceeb06 | 93 | Int_t bufSize; |
939ae4b2 | 94 | |
84ceeb06 | 95 | // indexes |
96 | Int_t indexBlk; | |
97 | Int_t indexDsp; | |
98 | Int_t indexBusPatch; | |
99 | Int_t index = 0; | |
100 | Int_t iBlock = 0; | |
939ae4b2 | 101 | |
84ceeb06 | 102 | // CROCUS CRT |
103 | while (buffer[index] == fBlockHeader->GetDefaultDataKey()) { | |
939ae4b2 | 104 | |
84ceeb06 | 105 | if (iBlock > fMaxBlock) break; |
106 | ||
107 | // copy within padding words | |
108 | memcpy(fBlockHeader->GetHeader(),&buffer[index], (kBlockHeaderSize)*4); | |
939ae4b2 | 109 | |
84ceeb06 | 110 | totalBlockSize = fBlockHeader->GetTotalLength(); |
939ae4b2 | 111 | |
84ceeb06 | 112 | indexBlk = index; |
113 | index += kBlockHeaderSize; | |
939ae4b2 | 114 | |
84ceeb06 | 115 | // copy in TClonesArray |
116 | fDDLTracker->AddBlkHeader(*fBlockHeader); | |
939ae4b2 | 117 | |
84ceeb06 | 118 | // Crocus FRT |
119 | Int_t iDsp = 0; | |
120 | while (buffer[index] == fDspHeader->GetDefaultDataKey()) { | |
939ae4b2 | 121 | |
84ceeb06 | 122 | if (iDsp > fMaxDsp) break; // if ever... |
123 | ||
124 | memcpy(fDspHeader->GetHeader(),&buffer[index], kDspHeaderSize*4); | |
939ae4b2 | 125 | |
84ceeb06 | 126 | totalDspSize = fDspHeader->GetTotalLength(); |
127 | indexDsp = index; | |
128 | index += kDspHeaderSize; | |
939ae4b2 | 129 | |
86400e61 | 130 | // if (fDspHeader->GetPaddingWord() != fDspHeader->GetDefaultPaddingWord()) { |
131 | // // copy the field of Padding word into ErrorWord field | |
132 | // fDspHeader->SetErrorWord(fDspHeader->GetPaddingWord()); | |
133 | // index--; | |
134 | // } | |
939ae4b2 | 135 | |
84ceeb06 | 136 | // copy in TClonesArray |
137 | fDDLTracker->AddDspHeader(*fDspHeader, iBlock); | |
939ae4b2 | 138 | |
84ceeb06 | 139 | // buspatch structure |
140 | Int_t iBusPatch = 0; | |
141 | while (buffer[index] == fBusStruct->GetDefaultDataKey()) { | |
939ae4b2 | 142 | |
84ceeb06 | 143 | if (iBusPatch > fMaxBus) break; // if ever |
144 | ||
145 | //copy buffer into header structure | |
146 | memcpy(fBusStruct->GetHeader(), &buffer[index], kBusPatchHeaderSize*4); | |
939ae4b2 | 147 | |
84ceeb06 | 148 | totalBusPatchSize = fBusStruct->GetTotalLength(); |
149 | indexBusPatch = index; | |
939ae4b2 | 150 | |
84ceeb06 | 151 | //Check Buspatch header, not empty events |
152 | if(totalBusPatchSize > kBusPatchHeaderSize) { | |
153 | ||
154 | index += kBusPatchHeaderSize; | |
155 | dataSize = fBusStruct->GetLength(); | |
156 | bufSize = fBusStruct->GetBufSize(); | |
157 | ||
158 | if(dataSize > 0) { // check data present | |
159 | if (dataSize > bufSize) // check buffer size | |
160 | fBusStruct->SetAlloc(dataSize); | |
161 | ||
162 | //copy buffer into data structure | |
163 | memcpy(fBusStruct->GetData(), &buffer[index], dataSize*4); | |
164 | fBusStruct->SetBlockId(iBlock); // could be usefull in future applications ? | |
165 | fBusStruct->SetDspId(iDsp); | |
166 | ||
6dee95a7 | 167 | // check parity |
168 | CheckDataParity(); | |
169 | ||
84ceeb06 | 170 | // copy in TClonesArray |
171 | fDDLTracker->AddBusPatch(*fBusStruct, iBlock, iDsp); | |
172 | ||
173 | } // dataSize test | |
174 | ||
175 | } // testing buspatch | |
176 | ||
177 | index = indexBusPatch + totalBusPatchSize; | |
178 | if (index >= totalDDLSize) {// check the end of DDL | |
179 | index = totalDDLSize - 1; // point to the last element of buffer | |
180 | break; | |
181 | } | |
182 | iBusPatch++; | |
183 | } // buspatch loop | |
86400e61 | 184 | |
185 | // skipping additionnal word if padding | |
186 | if (fDspHeader->GetPaddingWord() == 1) { | |
187 | if (buffer[index++] != fDspHeader->GetDefaultPaddingWord()) | |
188 | AliWarning(Form("Error in padding word for iBlock %d, iDsp %d, iBus %d\n", | |
189 | iBlock, iDsp, iBusPatch)); | |
190 | } | |
191 | ||
84ceeb06 | 192 | index = indexDsp + totalDspSize; |
193 | if (index >= totalDDLSize) { | |
194 | index = totalDDLSize - 1; | |
195 | break; | |
196 | } | |
197 | iDsp++; | |
198 | } // dsp loop | |
199 | ||
200 | index = indexBlk + totalBlockSize; | |
201 | if (index >= totalDDLSize) { | |
202 | index = totalDDLSize - 1; | |
203 | break; | |
204 | } | |
205 | iBlock++; | |
206 | } // block loop | |
939ae4b2 | 207 | |
208 | return kTRUE; | |
209 | } | |
210 | ||
211 | //______________________________________________________ | |
212 | void AliMUONPayloadTracker::ResetDDL() | |
213 | { | |
214 | // reseting TClonesArray | |
215 | // after each DDL | |
216 | // | |
217 | fDDLTracker->GetBlkHeaderArray()->Delete(); | |
218 | } | |
219 | ||
220 | //______________________________________________________ | |
221 | void AliMUONPayloadTracker::SetMaxBlock(Int_t blk) | |
222 | { | |
223 | // set regional card number | |
224 | if (blk > 2) blk = 2; | |
225 | fMaxBlock = blk; | |
226 | } | |
607fb67b | 227 | |
6dee95a7 | 228 | //______________________________________________________ |
607fb67b | 229 | Bool_t AliMUONPayloadTracker::CheckDataParity() |
230 | { | |
231 | // parity check | |
232 | // taken from MuTrkBusPatch.cxx (sotfware test for CROCUS) | |
233 | // A. Baldisseri | |
234 | ||
6dee95a7 | 235 | Int_t parity; |
607fb67b | 236 | UInt_t data; |
237 | ||
238 | Int_t dataSize = fBusStruct->GetLength(); | |
239 | for (int idata = 0; idata < dataSize; idata++) { | |
240 | ||
241 | data = fBusStruct->GetData(idata); | |
607fb67b | 242 | |
6dee95a7 | 243 | // Compute the parity for each data word |
244 | parity = data & 0x1; | |
245 | for (Int_t i = 1; i <= 30; i++) | |
246 | parity ^= ((data >> i) & 0x1); | |
607fb67b | 247 | |
248 | // Check | |
249 | if (parity != fBusStruct->GetParity(idata)) { | |
250 | AliWarning(Form("Parity error in word %d for manuId %d and channel %d\n", | |
251 | idata, fBusStruct->GetManuId(idata), fBusStruct->GetChannelId(idata))); | |
252 | return kFALSE; | |
253 | ||
254 | } | |
255 | } | |
256 | return kTRUE; | |
257 | } |