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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" | |
77a606e8 | 31 | |
32 | #ifndef DATE_SYS | |
939ae4b2 | 33 | #include "AliLog.h" |
77a606e8 | 34 | #endif |
939ae4b2 | 35 | |
36 | #include "AliMUONDspHeader.h" | |
37 | #include "AliMUONBlockHeader.h" | |
38 | #include "AliMUONBusStruct.h" | |
39 | #include "AliMUONDDLTracker.h" | |
40 | ||
41 | ClassImp(AliMUONPayloadTracker) | |
42 | ||
43 | AliMUONPayloadTracker::AliMUONPayloadTracker() | |
44 | : TObject(), | |
9f5dcca3 | 45 | fBusPatchId(0), |
46 | fDspId(0), | |
47 | fBlkId(0), | |
48 | fMaxDDL(20), | |
939ae4b2 | 49 | fMaxBlock(2), |
50 | fMaxDsp(5), | |
9f5dcca3 | 51 | fMaxBus(5), |
52 | fDDLTracker(new AliMUONDDLTracker()), | |
53 | fBusStruct(new AliMUONBusStruct()), | |
54 | fBlockHeader(new AliMUONBlockHeader()), | |
55 | fDspHeader(new AliMUONDspHeader()) | |
939ae4b2 | 56 | { |
57 | // | |
84ceeb06 | 58 | // create an object to decode MUON payload |
939ae4b2 | 59 | // |
939ae4b2 | 60 | |
939ae4b2 | 61 | } |
62 | ||
939ae4b2 | 63 | //___________________________________ |
64 | AliMUONPayloadTracker::~AliMUONPayloadTracker() | |
65 | { | |
66 | // | |
67 | // clean up | |
68 | // | |
939ae4b2 | 69 | delete fDDLTracker; |
70 | delete fBusStruct; | |
71 | delete fBlockHeader; | |
72 | delete fDspHeader; | |
73 | } | |
74 | ||
75 | //______________________________________________________ | |
84ceeb06 | 76 | Bool_t AliMUONPayloadTracker::Decode(UInt_t* buffer, Int_t totalDDLSize) |
939ae4b2 | 77 | { |
84ceeb06 | 78 | |
79 | // Each DDL is made with 2 Blocks each of which consists of 5 DSP's at most | |
80 | // and each of DSP has at most 5 buspatches. | |
81 | // The different structures, Block (CRT), DSP (FRT) and Buspatch, | |
82 | // are identified by a key word 0xFC0000FC, 0xF000000F and 0xB000000B respectively. | |
83 | // (fBusPatchManager no more needed !) | |
939ae4b2 | 84 | |
85 | ||
86 | //Read Header Size of DDL,Block,DSP and BusPatch | |
8ecc5cf0 | 87 | static Int_t kBlockHeaderSize = fBlockHeader->GetHeaderLength(); |
88 | static Int_t kDspHeaderSize = fDspHeader->GetHeaderLength(); | |
89 | static Int_t kBusPatchHeaderSize = fBusStruct->GetHeaderLength(); | |
939ae4b2 | 90 | |
84ceeb06 | 91 | // size structures |
939ae4b2 | 92 | Int_t totalBlockSize; |
93 | Int_t totalDspSize; | |
94 | Int_t totalBusPatchSize; | |
95 | Int_t dataSize; | |
84ceeb06 | 96 | Int_t bufSize; |
939ae4b2 | 97 | |
84ceeb06 | 98 | // indexes |
99 | Int_t indexBlk; | |
100 | Int_t indexDsp; | |
101 | Int_t indexBusPatch; | |
102 | Int_t index = 0; | |
103 | Int_t iBlock = 0; | |
939ae4b2 | 104 | |
84ceeb06 | 105 | // CROCUS CRT |
106 | while (buffer[index] == fBlockHeader->GetDefaultDataKey()) { | |
939ae4b2 | 107 | |
84ceeb06 | 108 | if (iBlock > fMaxBlock) break; |
109 | ||
110 | // copy within padding words | |
111 | memcpy(fBlockHeader->GetHeader(),&buffer[index], (kBlockHeaderSize)*4); | |
939ae4b2 | 112 | |
84ceeb06 | 113 | totalBlockSize = fBlockHeader->GetTotalLength(); |
939ae4b2 | 114 | |
84ceeb06 | 115 | indexBlk = index; |
116 | index += kBlockHeaderSize; | |
939ae4b2 | 117 | |
84ceeb06 | 118 | // copy in TClonesArray |
119 | fDDLTracker->AddBlkHeader(*fBlockHeader); | |
939ae4b2 | 120 | |
84ceeb06 | 121 | // Crocus FRT |
122 | Int_t iDsp = 0; | |
123 | while (buffer[index] == fDspHeader->GetDefaultDataKey()) { | |
939ae4b2 | 124 | |
84ceeb06 | 125 | if (iDsp > fMaxDsp) break; // if ever... |
126 | ||
127 | memcpy(fDspHeader->GetHeader(),&buffer[index], kDspHeaderSize*4); | |
939ae4b2 | 128 | |
84ceeb06 | 129 | totalDspSize = fDspHeader->GetTotalLength(); |
130 | indexDsp = index; | |
131 | index += kDspHeaderSize; | |
939ae4b2 | 132 | |
86400e61 | 133 | // if (fDspHeader->GetPaddingWord() != fDspHeader->GetDefaultPaddingWord()) { |
134 | // // copy the field of Padding word into ErrorWord field | |
135 | // fDspHeader->SetErrorWord(fDspHeader->GetPaddingWord()); | |
136 | // index--; | |
137 | // } | |
939ae4b2 | 138 | |
84ceeb06 | 139 | // copy in TClonesArray |
140 | fDDLTracker->AddDspHeader(*fDspHeader, iBlock); | |
939ae4b2 | 141 | |
84ceeb06 | 142 | // buspatch structure |
143 | Int_t iBusPatch = 0; | |
144 | while (buffer[index] == fBusStruct->GetDefaultDataKey()) { | |
939ae4b2 | 145 | |
84ceeb06 | 146 | if (iBusPatch > fMaxBus) break; // if ever |
147 | ||
148 | //copy buffer into header structure | |
149 | memcpy(fBusStruct->GetHeader(), &buffer[index], kBusPatchHeaderSize*4); | |
939ae4b2 | 150 | |
84ceeb06 | 151 | totalBusPatchSize = fBusStruct->GetTotalLength(); |
152 | indexBusPatch = index; | |
939ae4b2 | 153 | |
84ceeb06 | 154 | //Check Buspatch header, not empty events |
155 | if(totalBusPatchSize > kBusPatchHeaderSize) { | |
156 | ||
157 | index += kBusPatchHeaderSize; | |
158 | dataSize = fBusStruct->GetLength(); | |
159 | bufSize = fBusStruct->GetBufSize(); | |
160 | ||
161 | if(dataSize > 0) { // check data present | |
162 | if (dataSize > bufSize) // check buffer size | |
163 | fBusStruct->SetAlloc(dataSize); | |
164 | ||
165 | //copy buffer into data structure | |
166 | memcpy(fBusStruct->GetData(), &buffer[index], dataSize*4); | |
167 | fBusStruct->SetBlockId(iBlock); // could be usefull in future applications ? | |
168 | fBusStruct->SetDspId(iDsp); | |
169 | ||
6dee95a7 | 170 | // check parity |
171 | CheckDataParity(); | |
172 | ||
84ceeb06 | 173 | // copy in TClonesArray |
174 | fDDLTracker->AddBusPatch(*fBusStruct, iBlock, iDsp); | |
175 | ||
176 | } // dataSize test | |
177 | ||
178 | } // testing buspatch | |
179 | ||
180 | index = indexBusPatch + totalBusPatchSize; | |
181 | if (index >= totalDDLSize) {// check the end of DDL | |
182 | index = totalDDLSize - 1; // point to the last element of buffer | |
183 | break; | |
184 | } | |
185 | iBusPatch++; | |
186 | } // buspatch loop | |
86400e61 | 187 | |
188 | // skipping additionnal word if padding | |
189 | if (fDspHeader->GetPaddingWord() == 1) { | |
190 | if (buffer[index++] != fDspHeader->GetDefaultPaddingWord()) | |
77a606e8 | 191 | |
192 | #ifndef DATE_SYS | |
86400e61 | 193 | AliWarning(Form("Error in padding word for iBlock %d, iDsp %d, iBus %d\n", |
194 | iBlock, iDsp, iBusPatch)); | |
77a606e8 | 195 | #else |
196 | printf("Error in padding word for iBlock %d, iDsp %d, iBus %d\n", iBlock, iDsp, iBusPatch); | |
197 | #endif | |
86400e61 | 198 | } |
199 | ||
84ceeb06 | 200 | index = indexDsp + totalDspSize; |
201 | if (index >= totalDDLSize) { | |
202 | index = totalDDLSize - 1; | |
203 | break; | |
204 | } | |
205 | iDsp++; | |
206 | } // dsp loop | |
207 | ||
208 | index = indexBlk + totalBlockSize; | |
209 | if (index >= totalDDLSize) { | |
210 | index = totalDDLSize - 1; | |
211 | break; | |
212 | } | |
213 | iBlock++; | |
214 | } // block loop | |
939ae4b2 | 215 | |
216 | return kTRUE; | |
217 | } | |
218 | ||
219 | //______________________________________________________ | |
220 | void AliMUONPayloadTracker::ResetDDL() | |
221 | { | |
222 | // reseting TClonesArray | |
223 | // after each DDL | |
224 | // | |
225 | fDDLTracker->GetBlkHeaderArray()->Delete(); | |
226 | } | |
227 | ||
228 | //______________________________________________________ | |
229 | void AliMUONPayloadTracker::SetMaxBlock(Int_t blk) | |
230 | { | |
231 | // set regional card number | |
232 | if (blk > 2) blk = 2; | |
233 | fMaxBlock = blk; | |
234 | } | |
607fb67b | 235 | |
6dee95a7 | 236 | //______________________________________________________ |
607fb67b | 237 | Bool_t AliMUONPayloadTracker::CheckDataParity() |
238 | { | |
239 | // parity check | |
240 | // taken from MuTrkBusPatch.cxx (sotfware test for CROCUS) | |
241 | // A. Baldisseri | |
242 | ||
6dee95a7 | 243 | Int_t parity; |
607fb67b | 244 | UInt_t data; |
245 | ||
246 | Int_t dataSize = fBusStruct->GetLength(); | |
247 | for (int idata = 0; idata < dataSize; idata++) { | |
248 | ||
249 | data = fBusStruct->GetData(idata); | |
607fb67b | 250 | |
6dee95a7 | 251 | // Compute the parity for each data word |
252 | parity = data & 0x1; | |
253 | for (Int_t i = 1; i <= 30; i++) | |
254 | parity ^= ((data >> i) & 0x1); | |
607fb67b | 255 | |
256 | // Check | |
257 | if (parity != fBusStruct->GetParity(idata)) { | |
77a606e8 | 258 | #ifndef DATE_SYS |
607fb67b | 259 | AliWarning(Form("Parity error in word %d for manuId %d and channel %d\n", |
260 | idata, fBusStruct->GetManuId(idata), fBusStruct->GetChannelId(idata))); | |
77a606e8 | 261 | #else |
262 | printf("Parity error in word %d for manuId %d and channel %d\n", | |
263 | idata, fBusStruct->GetManuId(idata), fBusStruct->GetChannelId(idata)); | |
264 | #endif | |
265 | ||
607fb67b | 266 | return kFALSE; |
267 | ||
268 | } | |
269 | } | |
270 | return kTRUE; | |
271 | } |