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86ad02d4 | 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 class provides access to CTP DDL raw data. | |
19 | /// | |
20 | /// The raw data format is taken form the trigger TDR. | |
21 | /// The meaning of the trigger class and cluster masks | |
22 | /// are given in the trigger description file (in /data) | |
23 | /// and in the AliCentralTrigger class. | |
24 | /// | |
25 | /////////////////////////////////////////////////////////////////////////////// | |
26 | ||
27 | #include "AliCTPRawStream.h" | |
28 | #include "AliRawReader.h" | |
29 | #include "AliLog.h" | |
362c9d61 | 30 | #include "AliDAQ.h" |
ce9ace8c | 31 | #include "AliTriggerIR.h" |
86ad02d4 | 32 | |
33 | ClassImp(AliCTPRawStream) | |
34 | ||
35 | //_____________________________________________________________________________ | |
36 | AliCTPRawStream::AliCTPRawStream(AliRawReader* rawReader) : | |
ce9ace8c | 37 | fIRArray("AliTriggerIR",3), |
4bc0c995 | 38 | fOrbit(0), |
39 | fBC(0), | |
40 | fL0TriggerInputs(0), | |
41 | fL1TriggerInputs(0), | |
42 | fL2TriggerInputs(0), | |
86ad02d4 | 43 | fClassMask(0), |
afc49918 | 44 | fClassMaskNext50(0), |
86ad02d4 | 45 | fClusterMask(0), |
46 | fRawReader(rawReader) | |
47 | { | |
48 | // create an object to read CTP raw data | |
49 | // | |
50 | // select the raw data corresponding to | |
51 | // the CTP detector id | |
52 | fRawReader->Reset(); | |
362c9d61 | 53 | AliDebug(1,Form("Selecting raw data for detector %d",AliDAQ::DetectorID("TRG"))); |
54 | fRawReader->Select("TRG"); | |
86ad02d4 | 55 | } |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliCTPRawStream::AliCTPRawStream(const AliCTPRawStream& stream) : | |
59 | TObject(stream), | |
ce9ace8c | 60 | fIRArray("AliTriggerIR",3), |
4bc0c995 | 61 | fOrbit(0), |
62 | fBC(0), | |
63 | fL0TriggerInputs(0), | |
64 | fL1TriggerInputs(0), | |
65 | fL2TriggerInputs(0), | |
86ad02d4 | 66 | fClassMask(0), |
afc49918 | 67 | fClassMaskNext50(0), |
86ad02d4 | 68 | fClusterMask(0), |
69 | fRawReader(NULL) | |
70 | { | |
71 | // Copy constructor | |
72 | AliFatal("Copy constructor not implemented"); | |
73 | } | |
74 | ||
75 | //_____________________________________________________________________________ | |
76 | AliCTPRawStream& AliCTPRawStream::operator = (const AliCTPRawStream& | |
77 | /* stream */) | |
78 | { | |
79 | AliFatal("Assignment operator not implemented"); | |
80 | return *this; | |
81 | } | |
82 | ||
83 | //_____________________________________________________________________________ | |
84 | AliCTPRawStream::~AliCTPRawStream() | |
85 | { | |
86 | // destructor | |
ce9ace8c | 87 | fIRArray.Delete(); |
86ad02d4 | 88 | } |
89 | ||
90 | //_____________________________________________________________________________ | |
91 | void AliCTPRawStream::Reset() | |
92 | { | |
93 | // reset raw stream params | |
ce9ace8c | 94 | fIRArray.Clear(); |
86ad02d4 | 95 | |
96 | fClassMask = fClusterMask = 0; | |
afc49918 | 97 | fClassMaskNext50 = 0; |
86ad02d4 | 98 | |
99 | if (fRawReader) fRawReader->Reset(); | |
100 | } | |
101 | ||
102 | //_____________________________________________________________________________ | |
103 | Bool_t AliCTPRawStream::Next() | |
104 | { | |
105 | // read the whole CTP raw data stream | |
106 | // return kFALSE in case of error | |
107 | ||
108 | UChar_t *data = NULL; | |
109 | ||
43e9e2a9 | 110 | // CTP raw data does not contain CDH |
111 | fRawReader->RequireHeader(kFALSE); | |
112 | ||
113 | if (!fRawReader->ReadNextData(data)) { | |
114 | fRawReader->RequireHeader(kTRUE); | |
115 | return kFALSE; | |
116 | } | |
86ad02d4 | 117 | |
ce9ace8c | 118 | if ((fRawReader->GetDataSize()) < 32 || |
119 | ((fRawReader->GetDataSize() % 4) != 0)) { | |
86ad02d4 | 120 | AliError(Form("Wrong CTP raw data size: %d",fRawReader->GetDataSize())); |
43e9e2a9 | 121 | fRawReader->RequireHeader(kTRUE); |
86ad02d4 | 122 | return kFALSE; |
123 | } | |
124 | ||
4bc0c995 | 125 | fBC = data[0]; |
126 | fBC |= (data[1] & 0xF) << 8; | |
127 | ||
128 | fOrbit = data[4] << 12; | |
129 | fOrbit |= (data[5] & 0xF) << 20; | |
130 | fOrbit |= data[8]; | |
131 | fOrbit |= (data[9] & 0xF) << 8; | |
132 | ||
e7096234 | 133 | // 4th word bit 12= version, check here. |
134 | UInt_t version=data[13] & 0x10; | |
afc49918 | 135 | |
136 | if(version == 0){ | |
137 | return GetPayloadRun1(data); | |
138 | } | |
139 | else{ | |
140 | return GetPayloadRun2(data); | |
141 | } | |
142 | } | |
143 | Bool_t AliCTPRawStream::GetPayloadRun2(UChar_t *data) | |
144 | { | |
e7096234 | 145 | fClusterMask = data[12]&0xef; |
afc49918 | 146 | |
147 | fClassMaskNext50 = ((ULong64_t)data[16] & 0xf) << 46; // 100..97 | |
148 | ||
ab357a9b | 149 | fClassMaskNext50 |= ((ULong64_t)data[21] & 0xF) << 42; // 96..93 |
150 | fClassMaskNext50 |= (ULong64_t)data[20] << 34; // 92..85 | |
afc49918 | 151 | |
ab357a9b | 152 | fClassMaskNext50 |= ((ULong64_t)data[25] & 0xF) << 30; //84..81 |
153 | fClassMaskNext50 |= (ULong64_t)data[24] << 22; //80..73 | |
afc49918 | 154 | |
ab357a9b | 155 | fClassMaskNext50 |= ((ULong64_t)data[29] & 0xF) << 18; //72..69 |
156 | fClassMaskNext50 |= (ULong64_t)data[28] << 10; //68..61 | |
afc49918 | 157 | |
ab357a9b | 158 | fClassMaskNext50 |= ((ULong64_t)data[33] & 0xf ) << 6; //60..57 |
159 | fClassMaskNext50 |= ((ULong64_t)data[32] & 0xfc )>> 2; //56..51 | |
160 | fClassMask = ((ULong64_t)data[32] & 0x3 ) << 48; //50..49 | |
afc49918 | 161 | |
ab357a9b | 162 | fClassMask |= ((ULong64_t)data[37] & 0xf) << 44; //48..45 |
163 | fClassMask |= (ULong64_t)data[36] << 36; //44..37 | |
afc49918 | 164 | |
ab357a9b | 165 | fClassMask |= ((ULong64_t)data[41] & 0xf) << 32; //36..33 |
166 | fClassMask |= (ULong64_t)data[40] << 24; //32..25 | |
afc49918 | 167 | |
ab357a9b | 168 | fClassMask |= ((ULong64_t)data[45] & 0xf) << 20; //24..21 |
169 | fClassMask |= (ULong64_t)data[44] << 12; //20..13 | |
afc49918 | 170 | |
ab357a9b | 171 | fClassMask |= ((ULong64_t)data[49] & 0xf) << 8; //12..9 |
172 | fClassMask |= (ULong64_t)data[48] << 0; //8..1 | |
afc49918 | 173 | |
174 | if (fRawReader->GetDataSize() == 52) { | |
175 | AliDebug(1,"No trigger input and interaction records found"); | |
176 | fRawReader->RequireHeader(kTRUE); | |
177 | return kTRUE; | |
178 | } | |
179 | ||
180 | // Read detector trigger inputs | |
181 | if (fRawReader->GetDataSize() < 72) { | |
182 | AliError(Form("Wrong CTP raw data size: %d",fRawReader->GetDataSize())); | |
183 | fRawReader->RequireHeader(kTRUE); | |
184 | return kFALSE; | |
185 | } | |
186 | ||
187 | fL0TriggerInputs = data[52] << 12; | |
188 | fL0TriggerInputs |= (data[53] & 0xF) << 20; | |
189 | fL0TriggerInputs |= data[56]; | |
190 | fL0TriggerInputs |= (data[57] & 0xF) << 8; | |
191 | ||
192 | fL1TriggerInputs = data[60] << 12; | |
193 | fL1TriggerInputs |= (data[61] & 0xF) << 20; | |
194 | fL1TriggerInputs |= data[64]; | |
195 | fL1TriggerInputs |= (data[65] & 0xF) << 8; | |
196 | ||
197 | fL2TriggerInputs = data[68] << 12; | |
198 | fL2TriggerInputs |= (data[69] & 0xF) << 20; | |
199 | ||
200 | if (fRawReader->GetDataSize() == 72) { | |
201 | AliDebug(1,"No interaction records found"); | |
202 | fRawReader->RequireHeader(kTRUE); | |
203 | return kTRUE; | |
204 | } | |
205 | ||
206 | // Read IRs | |
207 | Int_t iword = 52; | |
208 | UChar_t level = 0; | |
209 | UInt_t *irdata = NULL; | |
210 | UInt_t irsize = 0; | |
211 | UInt_t orbit = 0; | |
212 | Bool_t incomplete = kFALSE, transerr = kFALSE; | |
213 | while (iword < fRawReader->GetDataSize()) { | |
214 | if (data[iword+1] & 0x80) { | |
215 | UChar_t flag = ((data[iword+1] >> 4) & 0x3); | |
216 | if (flag == 0) { | |
217 | if (irdata) { | |
218 | new (fIRArray[fIRArray.GetEntriesFast()]) | |
219 | AliTriggerIR(orbit,irsize,irdata,incomplete,transerr); | |
220 | irdata = NULL; irsize = 0; | |
221 | } | |
222 | level = 1; | |
223 | orbit = data[iword] << 12; | |
224 | orbit |= (data[iword+1] & 0xF) << 20; | |
225 | transerr = ((data[iword+1] >> 6) & 0x1); | |
226 | iword += 4; | |
227 | continue; | |
228 | } | |
229 | else if (flag == 3) { | |
230 | if (level == 1) { | |
231 | level = 2; | |
232 | orbit |= data[iword]; | |
233 | orbit |= ((data[iword+1] & 0xF) << 8); | |
234 | iword += 4; | |
235 | AliDebug(1,Form("Orbit=0x%x\n",orbit)); | |
236 | continue; | |
237 | } | |
238 | } | |
239 | UShort_t bc = data[iword]; | |
240 | bc |= ((data[iword+1] & 0xF) << 8); | |
241 | AliDebug(1,Form("BC=0x%x\n",bc)); | |
242 | if (bc == 0xFFF) { | |
243 | incomplete = kTRUE; | |
244 | } | |
245 | else { | |
246 | if (level == 2) { | |
247 | level = 3; | |
248 | irdata = (UInt_t *)&data[iword]; | |
249 | irsize = 0; | |
250 | } | |
251 | if (level == 3) { | |
252 | irsize++; | |
253 | } | |
254 | } | |
255 | } | |
256 | else | |
257 | AliWarning(Form("Invalid interaction record (%d %d)",iword,fRawReader->GetDataSize())); | |
258 | ||
259 | iword += 4; | |
260 | } | |
261 | ||
262 | if (irdata) { | |
263 | new (fIRArray[fIRArray.GetEntriesFast()]) | |
264 | AliTriggerIR(orbit,irsize,irdata,incomplete,transerr); | |
265 | irdata = NULL; irsize = 0; | |
266 | } | |
267 | ||
268 | // Restore the raw-reader state!! | |
269 | fRawReader->RequireHeader(kTRUE); | |
270 | return kTRUE; | |
271 | } | |
272 | Bool_t AliCTPRawStream::GetPayloadRun1(UChar_t *data) | |
273 | { | |
86ad02d4 | 274 | fClusterMask = data[12] >> 2; |
275 | ||
276 | fClassMask = ((ULong64_t)data[12] & 0x3) << 48; | |
277 | ||
278 | fClassMask |= (ULong64_t)data[16] << 36; | |
279 | fClassMask |= ((ULong64_t)data[17] & 0xF) << 44; | |
280 | ||
281 | fClassMask |= (ULong64_t)data[20] << 24; | |
282 | fClassMask |= ((ULong64_t)data[21] & 0xF) << 32; | |
283 | ||
284 | fClassMask |= (ULong64_t)data[24] << 12; | |
285 | fClassMask |= ((ULong64_t)data[25] & 0xF) << 20; | |
286 | ||
287 | fClassMask |= (ULong64_t)data[28]; | |
288 | fClassMask |= ((ULong64_t)data[29] & 0xF) << 8; | |
289 | ||
ce9ace8c | 290 | if (fRawReader->GetDataSize() == 32) { |
4bc0c995 | 291 | AliDebug(1,"No trigger input and interaction records found"); |
ce9ace8c | 292 | fRawReader->RequireHeader(kTRUE); |
293 | return kTRUE; | |
294 | } | |
295 | ||
4bc0c995 | 296 | // Read detector trigger inputs |
297 | if (fRawReader->GetDataSize() < 52) { | |
298 | AliError(Form("Wrong CTP raw data size: %d",fRawReader->GetDataSize())); | |
299 | fRawReader->RequireHeader(kTRUE); | |
300 | return kFALSE; | |
301 | } | |
302 | ||
303 | fL0TriggerInputs = data[32] << 12; | |
304 | fL0TriggerInputs |= (data[33] & 0xF) << 20; | |
305 | fL0TriggerInputs |= data[36]; | |
306 | fL0TriggerInputs |= (data[37] & 0xF) << 8; | |
307 | ||
308 | fL1TriggerInputs = data[40] << 12; | |
309 | fL1TriggerInputs |= (data[41] & 0xF) << 20; | |
310 | fL1TriggerInputs |= data[44]; | |
311 | fL1TriggerInputs |= (data[45] & 0xF) << 8; | |
312 | ||
313 | fL2TriggerInputs = data[48] << 12; | |
314 | fL2TriggerInputs |= (data[49] & 0xF) << 20; | |
315 | ||
316 | if (fRawReader->GetDataSize() == 52) { | |
317 | AliDebug(1,"No interaction records found"); | |
318 | fRawReader->RequireHeader(kTRUE); | |
9b8aed53 | 319 | return kTRUE; |
4bc0c995 | 320 | } |
321 | ||
ce9ace8c | 322 | // Read IRs |
4bc0c995 | 323 | Int_t iword = 52; |
ce9ace8c | 324 | UChar_t level = 0; |
325 | UInt_t *irdata = NULL; | |
326 | UInt_t irsize = 0; | |
4bc0c995 | 327 | UInt_t orbit = 0; |
ce9ace8c | 328 | Bool_t incomplete = kFALSE, transerr = kFALSE; |
329 | while (iword < fRawReader->GetDataSize()) { | |
330 | if (data[iword+1] & 0x80) { | |
331 | UChar_t flag = ((data[iword+1] >> 4) & 0x3); | |
332 | if (flag == 0) { | |
333 | if (irdata) { | |
334 | new (fIRArray[fIRArray.GetEntriesFast()]) | |
335 | AliTriggerIR(orbit,irsize,irdata,incomplete,transerr); | |
336 | irdata = NULL; irsize = 0; | |
337 | } | |
338 | level = 1; | |
339 | orbit = data[iword] << 12; | |
340 | orbit |= (data[iword+1] & 0xF) << 20; | |
341 | transerr = ((data[iword+1] >> 6) & 0x1); | |
342 | iword += 4; | |
343 | continue; | |
344 | } | |
345 | else if (flag == 3) { | |
346 | if (level == 1) { | |
347 | level = 2; | |
348 | orbit |= data[iword]; | |
349 | orbit |= ((data[iword+1] & 0xF) << 8); | |
350 | iword += 4; | |
fe208f5c | 351 | AliDebug(1,Form("Orbit=0x%x\n",orbit)); |
ce9ace8c | 352 | continue; |
353 | } | |
354 | } | |
355 | UShort_t bc = data[iword]; | |
fe208f5c | 356 | bc |= ((data[iword+1] & 0xF) << 8); |
357 | AliDebug(1,Form("BC=0x%x\n",bc)); | |
ce9ace8c | 358 | if (bc == 0xFFF) { |
359 | incomplete = kTRUE; | |
360 | } | |
361 | else { | |
362 | if (level == 2) { | |
363 | level = 3; | |
364 | irdata = (UInt_t *)&data[iword]; | |
365 | irsize = 0; | |
366 | } | |
367 | if (level == 3) { | |
368 | irsize++; | |
369 | } | |
370 | } | |
371 | } | |
372 | else | |
373 | AliWarning(Form("Invalid interaction record (%d %d)",iword,fRawReader->GetDataSize())); | |
374 | ||
375 | iword += 4; | |
376 | } | |
377 | ||
378 | if (irdata) { | |
379 | new (fIRArray[fIRArray.GetEntriesFast()]) | |
380 | AliTriggerIR(orbit,irsize,irdata,incomplete,transerr); | |
381 | irdata = NULL; irsize = 0; | |
382 | } | |
383 | ||
43e9e2a9 | 384 | // Restore the raw-reader state!! |
385 | fRawReader->RequireHeader(kTRUE); | |
386 | ||
86ad02d4 | 387 | return kTRUE; |
388 | } | |
389 |