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3ea47630 | 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 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | /// | |
20 | /// This class provides access to Altro digits in raw data. | |
21 | /// | |
22 | /// It loops over all Altro digits in the raw data given by the AliRawReader. | |
23 | /// The Next method goes to the next digit. If there are no digits left | |
24 | /// it returns kFALSE. | |
25 | /// Several getters provide information about the current digit. | |
26 | /// | |
27 | /////////////////////////////////////////////////////////////////////////////// | |
28 | ||
29 | #include "AliAltroRawStream.h" | |
30 | #include "AliRawReader.h" | |
3a291af4 | 31 | #include "AliLog.h" |
3ea47630 | 32 | |
33 | ClassImp(AliAltroRawStream) | |
34 | ||
35 | ||
36 | //_____________________________________________________________________________ | |
37 | AliAltroRawStream::AliAltroRawStream(AliRawReader* rawReader) : | |
1e984421 | 38 | fIsShortDataHeader(kFALSE), |
e7fd2555 | 39 | fDDLNumber(-1), |
40 | fPrevDDLNumber(-1), | |
5e6235b5 | 41 | fRCUId(-1), |
42 | fPrevRCUId(-1), | |
3a291af4 | 43 | fHWAddress(-1), |
44 | fPrevHWAddress(-1), | |
3ea47630 | 45 | fTime(-1), |
e7fd2555 | 46 | fPrevTime(-1), |
3ea47630 | 47 | fSignal(-1), |
e7fd2555 | 48 | fTimeBunch(-1), |
3ea47630 | 49 | fRawReader(rawReader), |
50 | fData(NULL), | |
51 | fPosition(0), | |
52 | fCount(0), | |
5e6235b5 | 53 | fBunchLength(0), |
54 | fRCUTrailerData(NULL), | |
31be3849 | 55 | fRCUTrailerSize(0), |
56 | fFECERRA(0), | |
57 | fFECERRB(0), | |
58 | fERRREG2(0), | |
7473795a | 59 | fERRREG3(0), |
60 | fERRREG4(0), | |
31be3849 | 61 | fActiveFECsA(0), |
62 | fActiveFECsB(0), | |
63 | fAltroCFG1(0), | |
64 | fAltroCFG2(0) | |
3ea47630 | 65 | { |
66 | // create an object to read Altro raw digits | |
3ea47630 | 67 | } |
68 | ||
69 | //_____________________________________________________________________________ | |
70 | AliAltroRawStream::AliAltroRawStream(const AliAltroRawStream& stream) : | |
71 | TObject(stream), | |
e7bee78b | 72 | fIsShortDataHeader(stream.fIsShortDataHeader), |
73 | fDDLNumber(stream.fDDLNumber), | |
74 | fPrevDDLNumber(stream.fPrevDDLNumber), | |
75 | fRCUId(stream.fRCUId), | |
76 | fPrevRCUId(stream.fPrevRCUId), | |
77 | fHWAddress(stream.fHWAddress), | |
78 | fPrevHWAddress(stream.fPrevHWAddress), | |
79 | fTime(stream.fTime), | |
80 | fPrevTime(stream.fPrevTime), | |
81 | fSignal(stream.fSignal), | |
82 | fTimeBunch(stream.fTimeBunch), | |
83 | fRawReader(stream.fRawReader), | |
84 | fData(stream.fData), | |
85 | fPosition(stream.fPosition), | |
86 | fCount(stream.fCount), | |
87 | fBunchLength(stream.fBunchLength), | |
88 | fRCUTrailerData(stream.fRCUTrailerData), | |
31be3849 | 89 | fRCUTrailerSize(stream.fRCUTrailerSize), |
90 | fFECERRA(stream.fFECERRA), | |
91 | fFECERRB(stream.fFECERRB), | |
92 | fERRREG2(stream.fERRREG2), | |
7473795a | 93 | fERRREG3(stream.fERRREG3), |
94 | fERRREG4(stream.fERRREG4), | |
31be3849 | 95 | fActiveFECsA(stream.fActiveFECsA), |
96 | fActiveFECsB(stream.fActiveFECsB), | |
97 | fAltroCFG1(stream.fAltroCFG1), | |
98 | fAltroCFG2(stream.fAltroCFG2) | |
3ea47630 | 99 | { |
3ea47630 | 100 | } |
101 | ||
102 | //_____________________________________________________________________________ | |
3820a703 | 103 | AliAltroRawStream& AliAltroRawStream::operator = (const AliAltroRawStream& stream) |
3ea47630 | 104 | { |
3820a703 | 105 | if(&stream == this) return *this; |
106 | ||
3820a703 | 107 | fIsShortDataHeader = stream.fIsShortDataHeader; |
108 | fDDLNumber = stream.fDDLNumber; | |
109 | fPrevDDLNumber = stream.fPrevDDLNumber; | |
110 | fRCUId = stream.fRCUId; | |
111 | fPrevRCUId = stream.fPrevRCUId; | |
112 | fHWAddress = stream.fHWAddress; | |
113 | fPrevHWAddress = stream.fPrevHWAddress; | |
114 | fTime = stream.fTime; | |
115 | fPrevTime = stream.fPrevTime; | |
116 | fSignal = stream.fSignal; | |
117 | fTimeBunch = stream.fTimeBunch; | |
118 | fRawReader = stream.fRawReader; | |
119 | fData = stream.fData; | |
120 | fPosition = stream.fPosition; | |
121 | fCount = stream.fCount; | |
122 | fBunchLength = stream.fBunchLength; | |
123 | fRCUTrailerData = stream.fRCUTrailerData; | |
124 | fRCUTrailerSize = stream.fRCUTrailerSize; | |
31be3849 | 125 | fFECERRA = stream.fFECERRA; |
126 | fFECERRB = stream.fFECERRB; | |
127 | fERRREG2 = stream.fERRREG2; | |
7473795a | 128 | fERRREG3 = stream.fERRREG3; |
129 | fERRREG4 = stream.fERRREG4; | |
31be3849 | 130 | fActiveFECsA = stream.fActiveFECsA; |
131 | fActiveFECsB = stream.fActiveFECsB; | |
132 | fAltroCFG1 = stream.fAltroCFG1; | |
133 | fAltroCFG2 = stream.fAltroCFG2; | |
3820a703 | 134 | |
3ea47630 | 135 | return *this; |
136 | } | |
137 | ||
138 | //_____________________________________________________________________________ | |
139 | AliAltroRawStream::~AliAltroRawStream() | |
140 | { | |
141 | // clean up | |
142 | ||
143 | } | |
144 | ||
3a291af4 | 145 | //_____________________________________________________________________________ |
146 | void AliAltroRawStream::Reset() | |
147 | { | |
148 | // reset altro raw stream params | |
149 | ||
150 | fPosition = fCount = fBunchLength = 0; | |
151 | ||
5e6235b5 | 152 | fRCUTrailerData = NULL; |
153 | fRCUTrailerSize = 0; | |
154 | ||
7473795a | 155 | fFECERRA = fFECERRB = fERRREG2 = fERRREG3 = fERRREG4 = fActiveFECsA = fActiveFECsB = fAltroCFG1 = fAltroCFG2 = 0; |
31be3849 | 156 | |
5e6235b5 | 157 | fDDLNumber = fPrevDDLNumber = fRCUId = fPrevRCUId = fHWAddress = fPrevHWAddress = fTime = fPrevTime = fSignal = fTimeBunch = -1; |
3a291af4 | 158 | |
159 | if (fRawReader) fRawReader->Reset(); | |
160 | } | |
3ea47630 | 161 | |
162 | //_____________________________________________________________________________ | |
163 | Bool_t AliAltroRawStream::Next() | |
164 | { | |
165 | // read the next raw digit | |
166 | // returns kFALSE if there is no digit left | |
167 | ||
e7fd2555 | 168 | fPrevDDLNumber = fDDLNumber; |
5e6235b5 | 169 | fPrevRCUId = fRCUId; |
3a291af4 | 170 | fPrevHWAddress = fHWAddress; |
e7fd2555 | 171 | fPrevTime = fTime; |
3ea47630 | 172 | |
173 | while (fCount == 0) { // next trailer | |
7473795a | 174 | while (fPosition <= 0) { // next payload |
3ea47630 | 175 | do { |
176 | if (!fRawReader->ReadNextData(fData)) return kFALSE; | |
177 | } while (fRawReader->GetDataSize() == 0); | |
178 | ||
e7fd2555 | 179 | fDDLNumber = fRawReader->GetDDLID(); |
180 | ||
3a291af4 | 181 | fPosition = GetPosition(); |
3ea47630 | 182 | } |
3ea47630 | 183 | |
eb09ec9a | 184 | ReadTrailer(); |
3ea47630 | 185 | |
3a291af4 | 186 | fBunchLength = 0; |
3ea47630 | 187 | } |
188 | ||
3a291af4 | 189 | if (fBunchLength == 0) ReadBunch(); |
190 | else fTime--; | |
191 | ||
192 | ReadAmplitude(); | |
3ea47630 | 193 | |
194 | return kTRUE; | |
195 | } | |
196 | ||
0148e633 | 197 | //_____________________________________________________________________________ |
198 | Bool_t AliAltroRawStream::NextDDL(UChar_t *data) | |
199 | { | |
200 | if (!data) { | |
201 | do { | |
202 | if (!fRawReader->ReadNextData(fData)) return kFALSE; | |
203 | } while (fRawReader->GetDataSize() == 0); | |
204 | } | |
205 | else { | |
206 | fData = data; | |
207 | } | |
208 | ||
209 | fDDLNumber = fRawReader->GetDDLID(); | |
210 | fPosition = GetPosition(); | |
211 | ||
212 | return kTRUE; | |
213 | } | |
214 | ||
215 | //_____________________________________________________________________________ | |
216 | Bool_t AliAltroRawStream::NextChannel() | |
217 | { | |
218 | if (fPosition <= 0) return kFALSE; | |
219 | ||
220 | ReadTrailer(); | |
221 | ||
222 | return kTRUE; | |
223 | } | |
224 | ||
225 | //_____________________________________________________________________________ | |
226 | Bool_t AliAltroRawStream::NextBunch(UShort_t *bunchData, | |
227 | Int_t &bunchLength, | |
228 | Int_t &startTimeBin) | |
229 | { | |
230 | if (fCount == 0) return kFALSE; | |
231 | ||
232 | ReadBunch(); | |
233 | bunchLength = fTimeBunch; | |
234 | startTimeBin = fTime; | |
235 | ||
236 | while (fBunchLength > 0) { | |
237 | ReadAmplitude(); | |
238 | bunchData[bunchLength-fBunchLength-1] = fSignal; | |
239 | } | |
240 | ||
241 | return kTRUE; | |
242 | } | |
243 | ||
e7fd2555 | 244 | //_____________________________________________________________________________ |
245 | void AliAltroRawStream::SelectRawData(Int_t detId) | |
246 | { | |
247 | // Select the raw data for specific | |
248 | // detector id | |
249 | AliDebug(1,Form("Selecting raw data for detector %d",detId)); | |
250 | fRawReader->Select(detId); | |
251 | } | |
252 | ||
362c9d61 | 253 | //_____________________________________________________________________________ |
254 | void AliAltroRawStream::SelectRawData(const char *detName) | |
255 | { | |
256 | // Select the raw data for specific | |
257 | // detector name | |
258 | AliDebug(1,Form("Selecting raw data for detector %s",detName)); | |
259 | fRawReader->Select(detName); | |
260 | } | |
261 | ||
3ea47630 | 262 | //_____________________________________________________________________________ |
3a291af4 | 263 | UShort_t AliAltroRawStream::GetNextWord() |
3ea47630 | 264 | { |
3a291af4 | 265 | // Read the next 10 bit word in backward direction |
266 | // The input stream access is given by fData and fPosition | |
3ea47630 | 267 | |
3a291af4 | 268 | fPosition--; |
269 | ||
270 | Int_t iBit = fPosition * 10; | |
3ea47630 | 271 | Int_t iByte = iBit / 8; |
272 | Int_t shift = iBit % 8; | |
3ea47630 | 273 | |
5e6235b5 | 274 | // the raw data is written as integers where the low bits are filled first |
3ea47630 | 275 | // -> little endian is assumed here ! |
5e6235b5 | 276 | Int_t iByteLow = iByte; |
3ea47630 | 277 | iByte++; |
5e6235b5 | 278 | Int_t iByteHigh = iByte; |
3a291af4 | 279 | return ((fData[iByteHigh] * 256 + fData[iByteLow]) >> shift) & 0x03FF; |
280 | } | |
281 | ||
282 | //_____________________________________________________________________________ | |
283 | Bool_t AliAltroRawStream::ReadTrailer() | |
284 | { | |
285 | //Read a trailer of 40 bits in the backward reading mode | |
3a291af4 | 286 | //First reading filling words |
287 | UShort_t temp; | |
288 | Int_t nFillWords = 0; | |
289 | while ((temp = GetNextWord()) == 0x2AA) nFillWords++; | |
776c3b9c | 290 | if (nFillWords == 0) { |
eb09ec9a | 291 | fRawReader->AddMajorErrorLog(kAltroTrailerErr,"no 0x2AA"); |
292 | // PrintDebug(); | |
7473795a | 293 | AliWarning(Form("Incorrect trailer found ! Expected 0x2AA not found (0x%x != 0x2AA) ! Current position %d, DDL=%d", |
294 | temp,fPosition,fDDLNumber)); | |
eb09ec9a | 295 | // trying to recover and find the next bunch |
7473795a | 296 | while ((fPosition > 2) && (temp != 0x2AA)) temp = GetNextWord(); |
eb09ec9a | 297 | if (temp != 0x2AA) { |
298 | fCount = fPosition = 0; | |
299 | return kFALSE; | |
300 | } | |
301 | temp = GetNextWord(); | |
776c3b9c | 302 | } |
3a291af4 | 303 | |
304 | //Then read the trailer | |
7473795a | 305 | if (fPosition < 2) { |
eb09ec9a | 306 | fRawReader->AddMajorErrorLog(kAltroTrailerErr,Form("size %d < 5", |
7473795a | 307 | fPosition)); |
eb09ec9a | 308 | // PrintDebug(); |
309 | AliWarning(Form("Incorrect raw data size ! Expected at least 5 words but found %d !",fPosition)); | |
310 | fCount = fPosition = 0; | |
311 | return kFALSE; | |
776c3b9c | 312 | } |
3a291af4 | 313 | |
314 | fCount = (temp << 4) & 0x3FF; | |
776c3b9c | 315 | if ((temp >> 6) != 0xA) { |
eb09ec9a | 316 | fRawReader->AddMajorErrorLog(kAltroTrailerErr,"no 0xA"); |
317 | // PrintDebug(); | |
318 | AliWarning(Form("Incorrect trailer found ! Expecting 0xA but found 0x%x !",temp >> 6)); | |
319 | fCount = 0; | |
320 | return kFALSE; | |
776c3b9c | 321 | } |
3a291af4 | 322 | |
323 | temp = GetNextWord(); | |
324 | fHWAddress = (temp & 0x3) << 10; | |
776c3b9c | 325 | if (((temp >> 2) & 0xF) != 0xA) { |
eb09ec9a | 326 | fRawReader->AddMajorErrorLog(kAltroTrailerErr,"no second 0xA"); |
327 | // PrintDebug(); | |
328 | AliWarning(Form("Incorrect trailer found ! Expecting second 0xA but found 0x%x !",(temp >> 2) & 0xF)); | |
329 | fCount = 0; | |
330 | return kFALSE; | |
776c3b9c | 331 | } |
3a291af4 | 332 | fCount |= ((temp & 0x3FF) >> 6); |
7473795a | 333 | |
71c94b28 | 334 | if (fCount >= fPosition) { |
335 | fRawReader->AddMajorErrorLog(kAltroTrailerErr,"invalid size"); | |
336 | // PrintDebug(); | |
337 | AliWarning(Form("Incorrect trailer found ! The altro payload size is invalid (%d >= %d) !",fCount,fPosition)); | |
338 | fCount = 0; | |
339 | return kFALSE; | |
340 | } | |
3a291af4 | 341 | temp = GetNextWord(); |
342 | fHWAddress |= temp; | |
343 | ||
344 | fPosition -= (4 - (fCount % 4)) % 4; // skip fill words | |
345 | ||
3a291af4 | 346 | return kTRUE; |
347 | } | |
348 | ||
3a291af4 | 349 | //_____________________________________________________________________________ |
350 | void AliAltroRawStream::ReadBunch() | |
351 | { | |
352 | // Read altro payload in | |
353 | // backward direction | |
71c94b28 | 354 | if (fCount <= 2) { |
eb09ec9a | 355 | fRawReader->AddMinorErrorLog(kBunchLengthReadErr,""); |
356 | // PrintDebug(); | |
71c94b28 | 357 | AliWarning(Form("Could not read bunch length and time bin ! Only %d 10-bit words are left !",fCount)); |
358 | fBunchLength = fTimeBunch = fCount = 0; | |
359 | return; | |
776c3b9c | 360 | } |
3a291af4 | 361 | |
362 | fBunchLength = GetNextWord() - 2; | |
71c94b28 | 363 | if (fBunchLength > fCount) { |
364 | fRawReader->AddMinorErrorLog(kBunchLengthReadErr,Form("bl=%d",fBunchLength)); | |
eb09ec9a | 365 | // PrintDebug(); |
71c94b28 | 366 | AliWarning(Form("Could not read bunch length ! Bunch length = %d (>%d)",fBunchLength,fCount)); |
367 | fBunchLength = fTimeBunch = fCount = 0; | |
368 | return; | |
776c3b9c | 369 | } |
71c94b28 | 370 | fTimeBunch = fBunchLength; |
371 | fCount--; | |
3a291af4 | 372 | |
373 | fTime = GetNextWord(); | |
374 | fCount--; | |
375 | ||
376 | return; | |
377 | } | |
378 | ||
379 | //_____________________________________________________________________________ | |
380 | void AliAltroRawStream::ReadAmplitude() | |
381 | { | |
382 | // Read next time bin amplitude | |
71c94b28 | 383 | if (fCount <= 0) { |
eb09ec9a | 384 | fRawReader->AddMinorErrorLog(kAmplitudeReadErr,""); |
385 | // PrintDebug(); | |
386 | AliWarning("Could not read sample amplitude !"); | |
71c94b28 | 387 | fCount = fSignal = fBunchLength = 0; |
388 | return; | |
776c3b9c | 389 | } |
3a291af4 | 390 | |
391 | fSignal = GetNextWord(); | |
71c94b28 | 392 | |
3a291af4 | 393 | fCount--; |
394 | fBunchLength--; | |
395 | ||
396 | return; | |
397 | } | |
398 | ||
399 | //_____________________________________________________________________________ | |
400 | Int_t AliAltroRawStream::GetPosition() | |
401 | { | |
402 | // Sets the position in the | |
403 | // input stream | |
5e6235b5 | 404 | // Read the RCU trailer |
405 | // This includes the trailer size, | |
406 | // RCU identifier and raw data payload. | |
407 | // The RCU trailer format is described | |
408 | // in details in the RCU manual. | |
409 | ||
9a090ccd | 410 | // We use the last word of the payload |
411 | // in order to decide which RCU firmware | |
412 | // was used during the data taking. | |
413 | // The firmware v2 adds 0xAAAA as 16 | |
414 | // most significant bits and since the | |
415 | // payload size (firmware v1) can not be | |
416 | // that big, we use this as a unique | |
417 | // label of the firmware version. | |
418 | ||
419 | Int_t index = fRawReader->GetDataSize(); | |
420 | UInt_t word = Get32bitWord(index); | |
421 | if (((word >> 16) == 0xaaaa) || (word == 2)) { | |
422 | // This is RCU formware v2 | |
423 | // The statement word==2 is needed only temporary | |
424 | // in order to be able to read previously generated | |
425 | // aliroot raw data | |
426 | ||
427 | Int_t trailerSize = 0; | |
428 | if (word == 2) { | |
429 | AliInfo("Old simulated raw data is assumed!"); | |
430 | trailerSize = 2; | |
431 | fRCUId = 0; | |
432 | } | |
433 | else { | |
434 | // First read 32-bit word with the | |
435 | // trailer size (7 bits), RCU ID (9 bits) and | |
436 | // 0xAAA (the rest - 16 bits) | |
437 | fRCUId = (Int_t)((word >> 7) & 0x1ff); | |
438 | trailerSize = (word & 0x7F); | |
439 | } | |
7e18047e | 440 | |
441 | // Now read the beginning of the trailer | |
442 | // where the payload size is written | |
776c3b9c | 443 | if (trailerSize < 2) { |
7dcdcfe4 | 444 | fRawReader->AddMajorErrorLog(kRCUTrailerErr,Form("tr=%d bytes", |
445 | trailerSize*4)); | |
446 | AliWarning(Form("Invalid trailer size found (%d bytes) !", | |
447 | trailerSize*4)); | |
776c3b9c | 448 | } |
31be3849 | 449 | |
450 | Int_t position = ReadRCUTrailer(index,trailerSize); | |
7e18047e | 451 | // The size is specified in a number of 40bits |
452 | // Therefore we need to transform it to number of bytes | |
453 | position *= 5; | |
454 | ||
455 | // Check the consistency of the header and trailer | |
7dcdcfe4 | 456 | if (((fRawReader->GetDataSize() - trailerSize*4) < position) || |
457 | ((fRawReader->GetDataSize() - trailerSize*4) >= (position + 4))) { | |
458 | fRawReader->AddMajorErrorLog(kRCUTrailerSizeErr,Form("h=%d tr=%d rcu=%d bytes", | |
459 | fRawReader->GetDataSize(), | |
460 | trailerSize*4, | |
461 | position)); | |
462 | AliWarning(Form("Inconsistent raw data size ! Raw data size - %d bytes (from the header), RCU trailer - %d bytes, raw data paylod - %d bytes !", | |
7e18047e | 463 | fRawReader->GetDataSize(), |
464 | trailerSize*4, | |
465 | position)); | |
7dcdcfe4 | 466 | position = fRawReader->GetDataSize() - trailerSize*4; |
776c3b9c | 467 | } |
7e18047e | 468 | |
469 | return position * 8 / 10; | |
470 | } | |
471 | else { | |
472 | // In case of the Old RCU trailer format | |
473 | // we have to read just the size of altro payload | |
474 | // in units of 40-bit words | |
9a090ccd | 475 | Int_t position = (Int_t)word; |
7e18047e | 476 | |
477 | fRCUId = -1; | |
478 | fRCUTrailerSize = 0; | |
479 | fRCUTrailerData = NULL; | |
480 | ||
481 | // The size is specified in a number of 40bits | |
482 | // Therefore we need to transform it to number of bytes | |
483 | position *= 5; | |
484 | ||
1e984421 | 485 | if (!fIsShortDataHeader) { |
7e18047e | 486 | |
1e984421 | 487 | // Check the consistency of the header and trailer |
7dcdcfe4 | 488 | if (((fRawReader->GetDataSize() - 4) < position) || |
489 | ((fRawReader->GetDataSize() - 4) >= (position + 4))) { | |
eb09ec9a | 490 | fRawReader->AddMajorErrorLog(kRCUTrailerSizeErr,Form("h=%d rcu=%d bytes", |
491 | fRawReader->GetDataSize()-4, | |
492 | position)); | |
493 | // PrintDebug(); | |
494 | AliWarning(Form("Inconsistent raw data size ! Expected %d bytes (from the header), found %d bytes (in the RCU trailer)!", | |
495 | fRawReader->GetDataSize()-4, | |
496 | position)); | |
497 | position = fRawReader->GetDataSize()-4; | |
776c3b9c | 498 | } |
1e984421 | 499 | } |
500 | else { | |
501 | // Check the consistency of the header and trailer | |
502 | // In this case the header is shorter by 4 bytes | |
7dcdcfe4 | 503 | if ((fRawReader->GetDataSize() < position) || |
504 | (fRawReader->GetDataSize() >= (position + 4))) { | |
eb09ec9a | 505 | fRawReader->AddMajorErrorLog(kRCUTrailerSizeErr,Form("h=%d rcu=%d bytes", |
506 | fRawReader->GetDataSize(), | |
507 | position)); | |
508 | // PrintDebug(); | |
509 | AliWarning(Form("Inconsistent raw data size ! Expected %d bytes (from the header), found %d bytes (in the RCU trailer)!", | |
510 | fRawReader->GetDataSize(), | |
511 | position)); | |
512 | position = fRawReader->GetDataSize(); | |
776c3b9c | 513 | } |
1e984421 | 514 | |
515 | // 7 32-bit words Common Data Header | |
516 | // therefore we have to shift back by 4 bytes | |
517 | // the pointer to the raw data payload | |
518 | fData -= 4; | |
519 | } | |
520 | ||
7e18047e | 521 | // Return the position in units of 10-bit words |
522 | return position*8/10; | |
523 | } | |
5e6235b5 | 524 | } |
525 | ||
526 | //_____________________________________________________________________________ | |
527 | UInt_t AliAltroRawStream::Get32bitWord(Int_t &index) | |
528 | { | |
529 | // This method returns the 32 bit word at a given | |
530 | // position inside the raw data payload. | |
531 | // The 'index' points to the beginning of the next word. | |
532 | // The method is supposed to be endian (platform) | |
533 | // independent. | |
776c3b9c | 534 | if (!fData) { |
535 | PrintDebug(); | |
5e6235b5 | 536 | AliFatal("Raw data paylod buffer is not yet initialized !"); |
776c3b9c | 537 | } |
538 | ||
539 | if (index < 4) { | |
eb09ec9a | 540 | fRawReader->AddFatalErrorLog(k32bitWordReadErr,Form("pos = %d",index)); |
541 | // PrintDebug(); | |
542 | AliWarning(Form("Invalid raw data payload position (%d) !",index)); | |
776c3b9c | 543 | } |
5e6235b5 | 544 | |
545 | UInt_t word = 0; | |
546 | word = fData[--index] << 24; | |
547 | word |= fData[--index] << 16; | |
548 | word |= fData[--index] << 8; | |
549 | word |= fData[--index]; | |
550 | ||
551 | return word; | |
552 | } | |
553 | ||
31be3849 | 554 | //_____________________________________________________________________________ |
555 | Int_t AliAltroRawStream::ReadRCUTrailer(Int_t &index, Int_t trailerSize) | |
556 | { | |
557 | // The method decodes the RCU trailer data | |
558 | // according to the RCU fw ver.2 specs | |
559 | ||
560 | fRCUTrailerSize = trailerSize*4; | |
561 | ||
562 | for (trailerSize -= 2; trailerSize > 0; trailerSize--) { | |
563 | Int_t word = Get32bitWord(index); | |
564 | Int_t parCode = word >> 26; | |
565 | Int_t parData = word & 0x3FFFFFF; | |
566 | switch (parCode) { | |
567 | case 1: | |
568 | // ERR_REG1 | |
569 | fFECERRA = ((parData >> 13) & 0x1FFF) << 7; | |
570 | fFECERRB = ((parData & 0x1FFF)) << 7; | |
571 | break; | |
572 | case 2: | |
573 | // ERR_REG2 | |
574 | fERRREG2 = parData & 0x1FF; | |
575 | break; | |
576 | case 3: | |
577 | // ERR_REG3 | |
7473795a | 578 | fERRREG3 = parData & 0xFFF; |
31be3849 | 579 | break; |
580 | case 4: | |
581 | // ERR_REG4 | |
7473795a | 582 | fERRREG4 = parData & 0xFFF; |
31be3849 | 583 | break; |
584 | case 5: | |
585 | // FEC_RO_A | |
586 | fActiveFECsA = parData & 0xFFFF; | |
587 | break; | |
588 | case 6: | |
589 | // FEC_RO_B | |
590 | fActiveFECsB = parData & 0xFFFF; | |
591 | break; | |
592 | case 7: | |
593 | // RDO_CFG1 | |
2898b1f0 | 594 | fAltroCFG1 = parData & 0xFFFFF; |
31be3849 | 595 | break; |
596 | case 8: | |
597 | // RDO_CFG2 | |
598 | fAltroCFG2 = parData & 0x1FFFFFF; | |
599 | break; | |
600 | default: | |
601 | fRawReader->AddMinorErrorLog(kRCUTrailerErr,"undef word"); | |
602 | AliWarning(Form("Undefined parameter code %d, ignore it !", | |
603 | parCode)); | |
604 | break; | |
605 | } | |
606 | } | |
607 | ||
608 | if (index < 4) { | |
609 | fRawReader->AddMajorErrorLog(kRCUTrailerErr,Form("tr=%d raw=%d bytes", | |
471680f8 | 610 | fRCUTrailerSize, |
31be3849 | 611 | fRawReader->GetDataSize())); |
612 | AliWarning(Form("Invalid trailer size found (%d bytes) ! The size is bigger than the raw data size (%d bytes)!", | |
471680f8 | 613 | fRCUTrailerSize, |
31be3849 | 614 | fRawReader->GetDataSize())); |
615 | } | |
31be3849 | 616 | fRCUTrailerData = fData + index; |
617 | ||
618 | Int_t position = Get32bitWord(index); | |
619 | ||
620 | ||
621 | return position; | |
622 | } | |
623 | ||
f683d15c | 624 | //_____________________________________________________________________________ |
625 | Double_t AliAltroRawStream::GetTSample() const | |
626 | { | |
627 | // Returns the sampling time | |
628 | // in seconds. In case the rcu trailer | |
629 | // was note read, return an invalid number (0) | |
630 | ||
631 | if (!fRCUTrailerData) return 0.; | |
632 | ||
633 | const Double_t kLHCTimeSample = 25.0e-9; // LHC clocks runs at 40 MHz | |
634 | UChar_t fq = (fAltroCFG2 >> 5) & 0xF; | |
635 | Double_t tSample; | |
636 | switch (fq) { | |
637 | case 0: | |
638 | // 20 MHz | |
639 | tSample = 2.0*kLHCTimeSample; | |
640 | break; | |
641 | case 1: | |
642 | // 10 Mhz | |
643 | tSample = 4.0*kLHCTimeSample; | |
644 | break; | |
645 | case 2: | |
646 | // 5 MHz | |
647 | tSample = 8.0*kLHCTimeSample; | |
648 | break; | |
649 | default: | |
650 | AliWarning(Form("Invalid sampling frequency value %d !", | |
651 | fq)); | |
652 | tSample = 0.; | |
653 | break; | |
654 | } | |
655 | ||
656 | return tSample; | |
657 | } | |
658 | ||
659 | //_____________________________________________________________________________ | |
660 | Double_t AliAltroRawStream::GetL1Phase() const | |
661 | { | |
662 | // Returns the L1 phase w.r.t to the | |
663 | // LHC clock | |
664 | if (!fRCUTrailerData) return 0.; | |
665 | ||
666 | const Double_t kLHCTimeSample = 25.0e-9; // LHC clocks runs at 40 MHz | |
667 | Double_t phase = ((Double_t)(fAltroCFG2 & 0x1F))*kLHCTimeSample; | |
668 | ||
669 | Double_t tSample = GetTSample(); | |
670 | if (phase >= tSample) { | |
671 | AliWarning(Form("Invalid L1 trigger phase (%f >= %d) !", | |
672 | phase,tSample)); | |
673 | phase = 0.; | |
674 | } | |
675 | ||
676 | return phase; | |
677 | } | |
678 | ||
31be3849 | 679 | //_____________________________________________________________________________ |
680 | void AliAltroRawStream::PrintRCUTrailer() const | |
681 | { | |
682 | // Prints the contents of | |
683 | // the RCU trailer data | |
684 | printf("RCU trailer:\n===========\n"); | |
685 | printf("FECERRA: 0x%x\nFECERRB: 0x%x\n",fFECERRA,fFECERRB); | |
686 | printf("ERRREG2: 0x%x\n",fERRREG2); | |
7473795a | 687 | printf("#channels skipped due to address mismatch: %d\n",GetNChAddrMismatch()); |
688 | printf("#channels skipped due to bad block length: %d\n",GetNChLengthMismatch()); | |
31be3849 | 689 | printf("Active FECs (branch A): 0x%x\nActive FECs (branch B): 0x%x\n",fActiveFECsA,fActiveFECsB); |
690 | printf("Baseline corr: 0x%x\n",GetBaselineCorr()); | |
691 | printf("Number of presamples: %d\nNumber of postsamples: %d\n",GetNPresamples(),GetNPostsamples()); | |
692 | printf("Second baseline corr: %d\n",GetSecondBaselineCorr()); | |
693 | printf("GlitchFilter: %d\n",GetGlitchFilter()); | |
694 | printf("Number of non-ZS postsamples: %d\nNumber of non-ZS presamples: %d\n",GetNNonZSPostsamples(),GetNNonZSPresamples()); | |
695 | printf("Number of ALTRO buffers: %d\n",GetNAltroBuffers()); | |
696 | printf("Number of pretrigger samples: %d\n",GetNPretriggerSamples()); | |
697 | printf("Number of samples per channel: %d\n",GetNSamplesPerCh()); | |
698 | printf("Sparse readout: %d\n",GetSparseRO()); | |
7473795a | 699 | printf("Sampling time: %e s\n",GetTSample()); |
700 | printf("L1 Phase: %e s\n",GetL1Phase()); | |
701 | printf("AltroCFG1: 0x%x\nAltroCFG2: 0x%x\n",GetAltroCFG1(),GetAltroCFG2()); | |
31be3849 | 702 | printf("===========\n"); |
703 | } | |
704 | ||
5e6235b5 | 705 | //_____________________________________________________________________________ |
706 | Bool_t AliAltroRawStream::GetRCUTrailerData(UChar_t*& data) const | |
707 | { | |
708 | // Return a pointer to the RCU trailer | |
709 | // data. Should be called always after | |
710 | // the RCU trailer was already processed | |
711 | // in the GetPosition() method | |
712 | if (!fRCUTrailerSize || !fRCUTrailerData) { | |
713 | AliError("No valid RCU trailer data is found !"); | |
714 | data = NULL; | |
715 | return kFALSE; | |
716 | } | |
717 | ||
718 | data = fRCUTrailerData; | |
719 | ||
720 | return kTRUE; | |
3ea47630 | 721 | } |
776c3b9c | 722 | |
723 | //_____________________________________________________________________________ | |
724 | void AliAltroRawStream::PrintDebug() const | |
725 | { | |
726 | // The method prints all the available | |
727 | // debug information. | |
728 | // Its is used in case of decoding errors. | |
729 | ||
730 | AliError("Start of debug printout\n--------------------"); | |
731 | ||
732 | Dump(); | |
733 | if (fRawReader) fRawReader->Dump(); | |
734 | ||
735 | AliError("End of debug printout\n--------------------"); | |
736 | } | |
e68dc1cf | 737 | |
738 | //_____________________________________________________________________________ | |
739 | Int_t AliAltroRawStream::GetBranch() const | |
740 | { | |
741 | // The method provides the RCU branch index (0 or 1) | |
742 | // for the current hardware address. | |
743 | // In case the hardware address has not been yet | |
744 | // initialized, the method returns -1 | |
745 | if (fHWAddress == -1) return -1; | |
746 | ||
747 | return ((fHWAddress >> 11) & 0x1); | |
748 | } | |
749 | ||
750 | //_____________________________________________________________________________ | |
751 | Int_t AliAltroRawStream::GetFEC() const | |
752 | { | |
753 | // The method provides the front-end card index | |
754 | // for the current hardware address. | |
755 | // In case the hardware address has not been yet | |
756 | // initialized, the method returns -1 | |
757 | if (fHWAddress == -1) return -1; | |
758 | ||
759 | return ((fHWAddress >> 7) & 0xF); | |
760 | } | |
761 | ||
762 | //_____________________________________________________________________________ | |
763 | Int_t AliAltroRawStream::GetAltro() const | |
764 | { | |
765 | // The method provides the altro chip index | |
766 | // for the current hardware address. | |
767 | // In case the hardware address has not been yet | |
768 | // initialized, the method returns -1 | |
769 | if (fHWAddress == -1) return -1; | |
770 | ||
771 | return ((fHWAddress >> 4) & 0x7); | |
772 | } | |
773 | ||
774 | //_____________________________________________________________________________ | |
775 | Int_t AliAltroRawStream::GetChannel() const | |
776 | { | |
777 | // The method provides the channel index | |
778 | // for the current hardware address. | |
779 | // In case the hardware address has not been yet | |
780 | // initialized, the method returns -1 | |
781 | if (fHWAddress == -1) return -1; | |
782 | ||
783 | return (fHWAddress & 0xF); | |
784 | } | |
eb09ec9a | 785 | |
786 | //_____________________________________________________________________________ | |
787 | void AliAltroRawStream::AddMappingErrorLog(const char *message) | |
788 | { | |
789 | // Signal a mapping error | |
790 | // The method can be used by the TPC,PHOS,EMCAL,FMD raw stream | |
791 | // classes in order to log an error related to bad altro mapping | |
792 | ||
793 | if (fRawReader) fRawReader->AddMinorErrorLog(kBadAltroMapping,message); | |
794 | } |