]> git.uio.no Git - u/mrichter/AliRoot.git/blame - TOF/AliTOFDecoder.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
merge DistanceToPad and IsInsideThePad methods
[u/mrichter/AliRoot.git] / TOF / AliTOFDecoder.cxx
CommitLineData
2531be5d 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$Log$
18 author: Roberto Preghenella (R+), preghenella@bo.infn.it
19*/
20
21
22/*********************************************************************
23 * *
24 * *
25 * Class for raw data decoding *
26 * *
27 * *
28 ********************************************************************/
29
30
31
32#include "AliLog.h"
33#include "AliTOFHitData.h"
34#include "AliTOFDecoder.h"
35
36ClassImp(AliTOFDecoder)
37
38//_________________________________________________________________
39
40AliTOFDecoder::AliTOFDecoder() :
41 TObject(),
42 fVerbose(0),
43 fV2718Patch(kFALSE),
44 fDataBuffer(0x0),
45 fPackedDataBuffer(0x0),
46 fTRMGlobalHeader(0x0),
47 fTRMGlobalTrailer(0x0),
48 fTRMChainHeader(0x0),
49 fTRMChainTrailer(0x0),
50 fTDCPackedHit(0x0),
51 fTDCUnpackedHit(0x0),
52 fTRMTDCError(0x0),
53 fTRMDiagnosticErrorWord1(0x0),
54 fTRMDiagnosticErrorWord2(0x0),
55 fSpiderCurrentSlotID(-1),
56 fSpiderCurrentChain(-1),
57 fSpiderCurrentTDC(-1)
58{
59 //default constructor
60}
61
62//_________________________________________________________________
63
64AliTOFDecoder::AliTOFDecoder(AliTOFHitDataBuffer *DataBuffer, AliTOFHitDataBuffer *PackedDataBuffer) :
65 TObject(),
66 fVerbose(0),
67 fV2718Patch(kFALSE),
68 fDataBuffer(DataBuffer),
69 fPackedDataBuffer(PackedDataBuffer),
70 fTRMGlobalHeader(0x0),
71 fTRMGlobalTrailer(0x0),
72 fTRMChainHeader(0x0),
73 fTRMChainTrailer(0x0),
74 fTDCPackedHit(0x0),
75 fTDCUnpackedHit(0x0),
76 fTRMTDCError(0x0),
77 fTRMDiagnosticErrorWord1(0x0),
78 fTRMDiagnosticErrorWord2(0x0),
79 fSpiderCurrentSlotID(-1),
80 fSpiderCurrentChain(-1),
81 fSpiderCurrentTDC(-1)
82{
83 //another constructor
84}
85
86//_________________________________________________________________
87
88AliTOFDecoder::AliTOFDecoder(const AliTOFDecoder &source) :
89 TObject(),
90 fVerbose(0),
91 fV2718Patch(kFALSE),
92 fDataBuffer(0x0),
93 fPackedDataBuffer(0x0),
94 fTRMGlobalHeader(0x0),
95 fTRMGlobalTrailer(0x0),
96 fTRMChainHeader(0x0),
97 fTRMChainTrailer(0x0),
98 fTDCPackedHit(0x0),
99 fTDCUnpackedHit(0x0),
100 fTRMTDCError(0x0),
101 fTRMDiagnosticErrorWord1(0x0),
102 fTRMDiagnosticErrorWord2(0x0),
103 fSpiderCurrentSlotID(-1),
104 fSpiderCurrentChain(-1),
105 fSpiderCurrentTDC(-1)
106{
107 //copy constructor
108
109 this->fVerbose = source.fVerbose;
110 this->fV2718Patch = source.fV2718Patch;
111 this->fDataBuffer = source.fDataBuffer;
112 this->fPackedDataBuffer = source.fPackedDataBuffer;
113 this->fTRMGlobalHeader = source.fTRMGlobalHeader;
114 this->fTRMGlobalTrailer = source.fTRMGlobalTrailer;
115 this->fTRMChainHeader = source.fTRMChainHeader;
116 this->fTRMChainTrailer = source.fTRMChainTrailer;
117 this->fTDCPackedHit = source.fTDCPackedHit;
118 this->fTDCUnpackedHit = source.fTDCUnpackedHit;
119 this->fTRMTDCError = source.fTRMTDCError;
120 this->fTRMDiagnosticErrorWord1 = source.fTRMDiagnosticErrorWord1;
121 this->fTRMDiagnosticErrorWord2 = source.fTRMDiagnosticErrorWord2;
122 this->fSpiderCurrentSlotID = source.fSpiderCurrentSlotID;
123 this->fSpiderCurrentChain = source.fSpiderCurrentChain;
124 this->fSpiderCurrentTDC = source.fSpiderCurrentTDC;
125}
126
127//_________________________________________________________________
128
129AliTOFDecoder &
130AliTOFDecoder::operator = (const AliTOFDecoder &source)
131{
132 //operator =
133
134 this->fVerbose = source.fVerbose;
135 this->fV2718Patch = source.fV2718Patch;
136 this->fDataBuffer = source.fDataBuffer;
137 this->fPackedDataBuffer = source.fPackedDataBuffer;
138 this->fTRMGlobalHeader = source.fTRMGlobalHeader;
139 this->fTRMGlobalTrailer = source.fTRMGlobalTrailer;
140 this->fTRMChainHeader = source.fTRMChainHeader;
141 this->fTRMChainTrailer = source.fTRMChainTrailer;
142 this->fTDCPackedHit = source.fTDCPackedHit;
143 this->fTDCUnpackedHit = source.fTDCUnpackedHit;
144 this->fTRMTDCError = source.fTRMTDCError;
145 this->fTRMDiagnosticErrorWord1 = source.fTRMDiagnosticErrorWord1;
146 this->fTRMDiagnosticErrorWord2 = source.fTRMDiagnosticErrorWord2;
147 this->fSpiderCurrentSlotID = source.fSpiderCurrentSlotID;
148 this->fSpiderCurrentChain = source.fSpiderCurrentChain;
149 this->fSpiderCurrentTDC = source.fSpiderCurrentTDC;
150 return *this;
151}
152
153AliTOFDecoder::~AliTOFDecoder()
154{}
155
156//_________________________________________________________________
157
158Bool_t
159AliTOFDecoder::Decode(UInt_t *rawData, Int_t nWords)
160{
161 /* main decoding routine.
162 * it loops over nWords 32-bit words
163 * starting at *rawData and decodes them.
164 * it also fills some buffers in order to
165 * have the decoded data available for other
166 * classes.
167 */
168
169 AliTOFHitData hitData;
170
171 //useful variables
172 Int_t status;
173 Short_t tempPS;
174 Float_t tempTOT; //ns
175 Int_t tempTOTBin; //TOT_BIN_WIDTH
176
177 //decoder variables
178 UShort_t decodeStatus = 0x0;
179 Short_t currentDDL = -1;
180 Short_t currentSlotID = -1;
181 Short_t currentACQ = -1;
182 Short_t currentChain = -1;
183 Short_t currentBunchID = -1;
184
185 /*** V2718 patch ***/
186 if (fV2718Patch){
187 decodeStatus = decodeStatus | DRM_BIT;
188 if (fVerbose)
189 AliInfo("DRM not present: - V2718 patch decoding -");
190 }
191 /*** V2718 patch ***/
192
193 if (fVerbose==2)
194 AliInfo("Initialize SPIDER function");
195 status = InitializeSpider();
196
197 if (fVerbose)
198 AliInfo("Start decoding");
199
200 if (fVerbose)
201 AliInfo("Loop over the data and decode");
202
203 if (fVerbose)
204 AliInfo(" St Hex Word \t Decoded Word");
205
206 //loop over raw data
207 for (Int_t iWord = 0; iWord < nWords; iWord++, rawData++){
208
209 //switch word type
210 switch (*rawData & WORD_TYPE_MASK){
211
212 case GLOBAL_HEADER:
213
214 //switch slot ID
215 switch (*rawData & SLOT_ID_MASK){
216
217 //DRM global header (slotID=1)
218 case 1:
219 //check decode status
220 if ( decodeStatus != DRM_HEADER_STATUS ){
221 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected DRM global header",decodeStatus,*rawData));
222 return kTRUE;
223 }
224 //decode status ok
225 if (fVerbose)
226 AliInfo(Form(" %02x - 0x%08x \t DRM global header",decodeStatus,*rawData));
227 //change decode status
228 decodeStatus = decodeStatus | DRM_BIT;
229
230 //skip DRM data
231 for (Int_t i = 0; i < DRM_DATA_WORDS; i++, iWord++, rawData++){
232 if (fVerbose)
233 AliInfo(Form(" %02x - 0x%08x \t DRM data",decodeStatus,*rawData));
234 }
235 break;
236
237 //LTM global header (slotID=2)
238 case 2:
239 //check decode status
240 if ( decodeStatus != LTM_HEADER_STATUS ){
241 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected LTM global header",decodeStatus,*rawData));
242 return kTRUE;
243 }
244 //decode status ok
245 if (fVerbose)
246 AliInfo(Form(" %02x - 0x%08x \t LTM global header",decodeStatus,*rawData));
247 //change decode status
248 decodeStatus = decodeStatus | LTM_BIT;
249
250 //skip LTM data
251 for (Int_t i = 0; i < LTM_DATA_WORDS; i++, iWord++, rawData++){
252 if (fVerbose)
253 AliInfo(Form(" %02x - 0x%08x \t LTM data",decodeStatus,*rawData));
254 }
255 break;
256
257 //TRM global header (slotID=3-12)
258 case 3: case 4: case 5: case 6: case 7: case 8: case 9: case 10: case 11: case 12:
259 //check decode status
260 if ( decodeStatus != TRM_HEADER_STATUS ){
261 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected TRM global header",decodeStatus,*rawData));
262 return kTRUE;
263 }
264 //decode status ok
265 //set TRM global header
266 fTRMGlobalHeader = (AliTOFTRMGlobalHeader *)rawData;
267 //set current TRM
268 currentSlotID = fTRMGlobalHeader->GetSlotID();
269 currentACQ = fTRMGlobalHeader->GetACQBits();
270 if (fVerbose)
271 AliInfo(Form(" %02x - 0x%08x \t TRM global header \t slotID=%02d ACQ=%01d L=%01d",decodeStatus,*rawData,fTRMGlobalHeader->GetSlotID(),fTRMGlobalHeader->GetACQBits(),fTRMGlobalHeader->GetLBit()));
272 //change decode status
273 decodeStatus = decodeStatus | TRM_BIT;
274 break;
275
276 default:
277 if (fVerbose)
278 AliError(Form(" %02x - 0x%08x [ERROR] Not valid slotID in global header",decodeStatus,*rawData));
279 return kTRUE;
280 break;
281
282 }
283 //end switch slotID
284 break;
285
286 case GLOBAL_TRAILER:
287
288 //switch slot ID
289 switch (*rawData & SLOT_ID_MASK){
290
291 //DRM global trailer (slotID=1)
292 case 1:
293 //check decode status
294 if ( decodeStatus != DRM_TRAILER_STATUS ){
295 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected DRM global trailer",decodeStatus,*rawData));
296 return kTRUE;
297 }
298 //decode status ok
299 if (fVerbose)
300 AliInfo(Form(" %02x - 0x%08x \t DRM global trailer",decodeStatus,*rawData));
301 //change decode status
302 decodeStatus = decodeStatus & ~DRM_BIT;
303 break;
304
305 //LTM global trailer (slotID=2)
306 case 2:
307 //check decode status
308 if ( decodeStatus != LTM_TRAILER_STATUS ){
309 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected LTM global trailer",decodeStatus,*rawData));
310 return kTRUE;
311 }
312 //decode status ok
313 if (fVerbose)
314 AliInfo(Form(" %02x - 0x%08x \t LTM global trailer",decodeStatus,*rawData));
315 //change decode status
316 decodeStatus = decodeStatus & ~LTM_BIT;
317 break;
318
319 //TRM global trailer (slotID=15)
320 case 15:
321 //check decode status
322 if ( decodeStatus != TRM_TRAILER_STATUS ){
323 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected TRM global trailer",decodeStatus,*rawData));
324 return kTRUE;
325 }
326 //decode status ok
327 //set TRM global trailer
328 fTRMGlobalTrailer = (AliTOFTRMGlobalTrailer *)rawData;
329 if (fVerbose)
330 AliInfo(Form(" %02x - 0x%08x \t TRM global trailer \t CRC=%04d eventCounter=%04d",decodeStatus,*rawData,fTRMGlobalTrailer->GetEventCRC(),fTRMGlobalTrailer->GetEventCounter()));
331 //change decode status
332 decodeStatus = decodeStatus & ~TRM_BIT;
333 break;
334
335 default:
336 if (fVerbose)
337 AliError(Form(" %02x - 0x%08x [ERROR] Not valid slotID/pattern in global trailer",decodeStatus,*rawData));
338 return kTRUE;
339 break;
340 }
341 break;
342
343 case CHAIN_A_HEADER:
344 //check decode status
345 if ( (decodeStatus != CHAIN_A_HEADER_STATUS) ){
346 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected TRM chain A header",decodeStatus,*rawData));
347 return kTRUE;
348 }
349 //decode status ok
350 fTRMChainHeader = (AliTOFTRMChainHeader *)rawData;
351 currentChain = 0;
352 currentBunchID = fTRMChainHeader->GetBunchID();
353 if (fVerbose)
354 AliInfo(Form(" %02x - 0x%08x \t TRM chain A header \t chain=%01d bunchID=%04d",decodeStatus,*rawData,currentChain,currentBunchID));
355 //change decode status
356 decodeStatus = decodeStatus | CHAIN_A_BIT;
357 break;
358
359 case CHAIN_A_TRAILER:
360 //check decode status
361 if ( decodeStatus != CHAIN_A_TRAILER_STATUS ){
362 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected TRM chain A trailer",decodeStatus,*rawData));
363 return kTRUE;
364 }
365 //decode status ok
366 if (fVerbose)
367 AliInfo(Form(" %02x - 0x%08x \t TRM chain A trailer",decodeStatus,*rawData));
368 //change decode status
369 decodeStatus = decodeStatus & ~CHAIN_A_BIT;
370 break;
371
372 case CHAIN_B_HEADER:
373 //check decode status
374 if ( decodeStatus != CHAIN_B_HEADER_STATUS ){
375 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected TRM chain B header",decodeStatus,*rawData));
376 return kTRUE;
377 }
378 //decode status ok
379 fTRMChainHeader = (AliTOFTRMChainHeader *)rawData;
380 currentChain = 1;
381 currentBunchID = fTRMChainHeader->GetBunchID();
382 if (fVerbose)
383 AliInfo(Form(" %02x - 0x%08x \t TRM chain B header \t chain=%01d bunchID=%04d",decodeStatus,*rawData,currentChain,currentBunchID));
384 //change decode status
385 decodeStatus = decodeStatus | CHAIN_B_BIT;
386 break;
387
388 case CHAIN_B_TRAILER:
389 //check decode status
390 if ( decodeStatus != CHAIN_B_TRAILER_STATUS ){
391 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected TRM chain B trailer",decodeStatus,*rawData));
392 return kTRUE;
393 }
394 //decode status ok
395 if (fVerbose)
396 AliInfo(Form(" %02x - 0x%08x \t TRM chain B trailer",decodeStatus,*rawData));
397 //change decode status
398 decodeStatus = decodeStatus & ~CHAIN_B_BIT;
399 break;
400
401 case ERROR:
402 if (fVerbose)
403 AliInfo(Form(" %02x - 0x%08x \t TDC error",decodeStatus,*rawData));
404 break;
405
406 case FILLER:
407 if (fVerbose)
408 AliInfo(Form(" %02x - 0x%08x \t Filler",decodeStatus,*rawData));
409 break;
410
411 default:
412 //check decode status
413 if ( decodeStatus != CHAIN_A_TDC_HIT_STATUS &&
414 decodeStatus != CHAIN_B_TDC_HIT_STATUS ){
415 AliError(Form(" %02x - 0x%08x [ERROR] Unexpected or unknown word",decodeStatus,*rawData));
416 return kTRUE;
417 }
418 //decode status ok
419
420 //switch TRM ACQ
421 switch (currentACQ){
422
423 case PACKING_ENABLED_ACQ:
424 //decode TDC packed hit
425 fTDCPackedHit = (AliTOFTDCPackedHit *)rawData;
426 fTDCUnpackedHit = (AliTOFTDCUnpackedHit *)rawData;
427 //set hit in the equipment data
428 hitData.SetDDLID(currentDDL);
429 hitData.SetSlotID(currentSlotID);
430 hitData.SetACQ(currentACQ);
431 hitData.SetChain(currentChain);
432 hitData.SetPS(fTDCPackedHit->GetPSBits());
433 hitData.SetTDC(fTDCPackedHit->GetTDCID());
434 hitData.SetChan(fTDCPackedHit->GetChan());
435 hitData.SetTime((float)fTDCPackedHit->GetHitTime() * TIME_BIN_WIDTH);
436 hitData.SetTimeBin(fTDCPackedHit->GetHitTime());
437 hitData.SetTOT((float)fTDCPackedHit->GetTOTWidth() * TOT_BIN_WIDTH);
438 hitData.SetTOTBin(fTDCPackedHit->GetTOTWidth());
439 //orphane leading hit
440 if (hitData.GetPS()==LEADING_HIT_PS){
441 hitData.SetTime((float)fTDCUnpackedHit->GetHitTime() * TIME_BIN_WIDTH);
442 hitData.SetTimeBin(fTDCUnpackedHit->GetHitTime());
443 //set TOT to zero
444 hitData.SetTOT(0);
445 hitData.SetTOTBin(0);
446 //push hit data in packed data buffer
447 if (fPackedDataBuffer != 0x0)
448 fPackedDataBuffer->Add(hitData);
449 //set TOT to not measured
450 hitData.SetTOT(-1);
451 hitData.SetTOTBin(-1);
452 //push hit data in packed data buffer
453 if (fDataBuffer != 0x0)
454 fDataBuffer->Add(hitData);
455 }
456 //orphane trailing hit
457 else if (hitData.GetPS()==TRAILING_HIT_PS){
458 hitData.SetTime((float)fTDCUnpackedHit->GetHitTime() * TIME_BIN_WIDTH);
459 hitData.SetTimeBin(fTDCUnpackedHit->GetHitTime());
460 //set TOT to not measured
461 hitData.SetTOT(-1);
462 hitData.SetTOTBin(-1);
463 //push hit data in data buffer
464 if (fDataBuffer != 0x0)
465 fDataBuffer->Add(hitData);
466 }
467 //packed hit and OVF
468 else{
469 //push hit data in packed data buffer
470 if (fPackedDataBuffer != 0x0)
471 fPackedDataBuffer->Add(hitData);
472 //save PS temporary
473 tempPS = hitData.GetPS();
474 //save TOT temporary
475 tempTOT = hitData.GetTOT();
476 tempTOTBin = hitData.GetTOTBin();
477 //unpack the hit: leading hit
478 hitData.SetPS(LEADING_HIT_PS);
479 //set TOT to not measured
480 hitData.SetTOT(-1);
481 hitData.SetTOTBin(-1);
482 //push leading hit data in data buffer
483 if (fDataBuffer != 0x0)
484 fDataBuffer->Add(hitData);
485 //unpack the hit: trailing hit
486 hitData.SetPS(TRAILING_HIT_PS);
487 hitData.SetTime(hitData.GetTime() + tempTOT);
488 hitData.SetTimeBin(hitData.GetTimeBin() + (Int_t)(tempTOTBin * TOT_TO_TIME_BIN_WIDTH));
489 //push trailing hit data in data buffer
490 if (fDataBuffer != 0x0)
491 fDataBuffer->Add(hitData);
492 //restore packed hit
493 hitData.SetPS(tempPS);
494 hitData.SetTime(hitData.GetTime() - tempTOT);
495 hitData.SetTimeBin(hitData.GetTimeBin() - (Int_t)(tempTOTBin * TOT_TO_TIME_BIN_WIDTH));
496 hitData.SetTOT(tempTOT);
497 hitData.SetTOTBin(tempTOTBin);
498 }
499
500 if (fVerbose)
501 switch (hitData.GetPS()){
502 case PACKED_HIT_PS:
503 AliInfo(Form(" %02x - 0x%08x \t TDC hit [packed] \t PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTOT(),hitData.GetTOTBin(),hitData.GetTime(),hitData.GetTimeBin()));
504 break;
505 case LEADING_HIT_PS:
506 AliInfo(Form(" %02x - 0x%08x \t TDC hit [orp.lead] \t PS=%01d TDC=%01d chan=%01d time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTime(),hitData.GetTimeBin()));
507 break;
508 case TRAILING_HIT_PS:
509 AliInfo(Form(" %02x - 0x%08x \t TDC hit [orp.trai] \t PS=%01d TDC=%01d chan=%01d time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTime(),hitData.GetTimeBin()));
510 break;
511 case TOT_OVF_HIT_PS:
512 AliInfo(Form(" %02x - 0x%08x \t TDC hit [TOT ovfl] \t PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTOT(),hitData.GetTOTBin(),hitData.GetTime(),hitData.GetTimeBin()));
513 break;
514 }
515 break;
516
517 case LEADING_ONLY_ACQ: case TRAILING_ONLY_ACQ:
518 //decode TDC unpacked hit
519 fTDCUnpackedHit = (AliTOFTDCUnpackedHit *)rawData;
520 //set hit in the equipment data
521 hitData.SetDDLID(currentDDL);
522 hitData.SetSlotID(currentSlotID);
523 hitData.SetACQ(currentACQ);
524 hitData.SetChain(currentChain);
525 hitData.SetPS(fTDCUnpackedHit->GetPSBits());
526 hitData.SetTDC(fTDCUnpackedHit->GetTDCID());
527 hitData.SetChan(fTDCUnpackedHit->GetChan());
528 hitData.SetTime((float)fTDCUnpackedHit->GetHitTime() * TIME_BIN_WIDTH);
529 hitData.SetTimeBin(fTDCUnpackedHit->GetHitTime());
530 hitData.SetTOT(-1.);
531 hitData.SetTOTBin(-1);
532 //push hit data in data buffer
533 if (fDataBuffer != 0x0)
534 fDataBuffer->Add(hitData);
535
536 if (fVerbose)
537 switch (hitData.GetPS()){
538 case PACKED_HIT_PS:
539 AliInfo(Form(" %02x - 0x%08x \t TDC hit [packed] \t PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTOT(),hitData.GetTOTBin(),hitData.GetTime(),hitData.GetTimeBin()));
540 break;
541 case LEADING_HIT_PS:
542 AliInfo(Form(" %02x - 0x%08x \t TDC hit [leading] \t PS=%01d TDC=%01d chan=%01d time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTime(),hitData.GetTimeBin()));
543 break;
544 case TRAILING_HIT_PS:
545 AliInfo(Form(" %02x - 0x%08x \t TDC hit [trailing] \t PS=%01d TDC=%01d chan=%01d time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTime(),hitData.GetTimeBin()));
546 break;
547 case TOT_OVF_HIT_PS:
548 AliInfo(Form(" %02x - 0x%08x \t TDC hit [TOT ovfl] \t PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTOT(),hitData.GetTOTBin(),hitData.GetTime(),hitData.GetTimeBin()));
549 break;
550 }
551 break;
552
553 case PACKING_DISABLED_ACQ:
554 //decode TDC unpacked hit
555 fTDCUnpackedHit = (AliTOFTDCUnpackedHit *)rawData;
556 //set hit in the equipment data
557 hitData.SetDDLID(currentDDL);
558 hitData.SetSlotID(currentSlotID);
559 hitData.SetACQ(currentACQ);
560 hitData.SetChain(currentChain);
561 hitData.SetPS(fTDCUnpackedHit->GetPSBits());
562 hitData.SetTDC(fTDCUnpackedHit->GetTDCID());
563 hitData.SetChan(fTDCUnpackedHit->GetChan());
564 hitData.SetTime((float)fTDCUnpackedHit->GetHitTime() * TIME_BIN_WIDTH);
565 hitData.SetTimeBin(fTDCUnpackedHit->GetHitTime());
566 hitData.SetTOT(-1.);
567 hitData.SetTOTBin(-1);
568 //push hit data in data buffer
569 if (fDataBuffer != 0x0)
570 fDataBuffer->Add(hitData);
571
572 if (fVerbose)
573 switch (hitData.GetPS()){
574 case PACKED_HIT_PS:
575 AliInfo(Form(" %02x - 0x%08x \t TDC hit [packed] \t PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTOT(),hitData.GetTOTBin(),hitData.GetTime(),hitData.GetTimeBin()));
576 break;
577 case LEADING_HIT_PS:
578 AliInfo(Form(" %02x - 0x%08x \t TDC hit [leading] \t PS=%01d TDC=%01d chan=%01d time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTime(),hitData.GetTimeBin()));
579 break;
580 case TRAILING_HIT_PS:
581 AliInfo(Form(" %02x - 0x%08x \t TDC hit [trailing] \t PS=%01d TDC=%01d chan=%01d time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTime(),hitData.GetTimeBin()));
582 break;
583 case TOT_OVF_HIT_PS:
584 AliInfo(Form(" %02x - 0x%08x \t TDC hit [TOT ovfl] \t PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",decodeStatus,*rawData,hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTOT(),hitData.GetTOTBin(),hitData.GetTime(),hitData.GetTimeBin()));
585 break;
586 }
587 //call spider function
588 if (fVerbose==2)
589 AliInfo("Calling SPIDER function");
590 Spider(hitData);
591 break;
592 }
593 //end switch TRM ACQ
594
595
596 }
597 //end switch word type
598
599 }
600 //end equipment data loop
601
602 if (fVerbose)
603 AliInfo("End of data loop");
604
605 if (fVerbose==2)
606 AliInfo("Reset SPIDER function");
607 status = ResetSpider();
608
609 if (fVerbose)
610 AliInfo("Decoder is exiting succesfully.");
611
612 return kFALSE;
613}
614
615//_________________________________________________________________
616
617Bool_t
618AliTOFDecoder::InitializeSpider(){
619
620 /* SPIDER initialization routine.
621 it initializes SPIDER variables in order
622 to have SPIDER ready to pack tof data
623 in packed data objects
624 */
625
626 if (fVerbose==2)
627 AliInfo("Initializing SPIDER");
628
629 fSpiderCurrentSlotID=-1;
630 fSpiderCurrentChain=-1;
631 fSpiderCurrentTDC=-1;
632
633 for (Int_t chan=0;chan<N_CHANNEL;chan++)
634 fSpiderLeadingFlag[chan] = kFALSE;
635
636 return kFALSE;
637}
638
639//_________________________________________________________________
640
641Bool_t
642AliTOFDecoder::ResetSpider(){
643
644 /* SPIDER reset routine.
645 it resets SPIDER buffers and
646 variables in order to empty full
647 buffers a set up SIPDER for new
648 HPTDC data
649 */
650
651 if (fVerbose==2)
652 AliInfo("Resetting SPIDER buffers");
653
654 for (Int_t chan=0;chan<N_CHANNEL;chan++){
655 if (fSpiderLeadingFlag[chan]){
656 if (fVerbose==2)
657 AliInfo("Buffer non empty: put leading hit into buffer as orphane");
658 //set TOT to zero
659 fSpiderLeadingHit[chan].SetACQ(4);
660 fSpiderLeadingHit[chan].SetPS(1);
661 fSpiderLeadingHit[chan].SetTOT(0);
662 fSpiderLeadingHit[chan].SetTOTBin(0);
663 //push hit into packed buffer
664 if (fPackedDataBuffer != 0x0)
665 fPackedDataBuffer->Add(fSpiderLeadingHit[chan]);
666 if (fVerbose==2)
667 AliInfo(Form("Packed hit: slotID=%d chain=%d PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",fSpiderLeadingHit[chan].GetSlotID(),fSpiderLeadingHit[chan].GetChain(),fSpiderLeadingHit[chan].GetPS(),fSpiderLeadingHit[chan].GetTDC(),fSpiderLeadingHit[chan].GetChan(),fSpiderLeadingHit[chan].GetTOT(),fSpiderLeadingHit[chan].GetTOTBin(),fSpiderLeadingHit[chan].GetTime(),fSpiderLeadingHit[chan].GetTimeBin()));
668
669 }
670 fSpiderLeadingFlag[chan]=kFALSE;
671 }
672
673 return kFALSE;
674}
675
676//_________________________________________________________________
677
678Bool_t
679AliTOFDecoder::Spider(AliTOFHitData hitData){
680
681 /* main SPIDER routine.
682 it receives, reads, stores and packs
683 unpacked HPTDC data in packed data
684 object. it also fills buffers.
685 */
686
687 Int_t status;
688
689 if (fVerbose==2)
690 AliInfo("Hit data received");
691
692 //check if TDC is changed (slotID,chain,TDC triplet)
693 if (fSpiderCurrentSlotID!=hitData.GetSlotID() ||
694 fSpiderCurrentChain!=hitData.GetChain() ||
695 fSpiderCurrentTDC!=hitData.GetTDC() ){
696 if (fVerbose==2)
697 AliInfo("Data coming from a new TDC: reset buffers");
698 //reset spider
699 status = ResetSpider();
700 //set current TDC
701 fSpiderCurrentSlotID=hitData.GetSlotID();
702 fSpiderCurrentChain=hitData.GetChain();
703 fSpiderCurrentTDC=hitData.GetTDC();
704 }
705
706 //switch PS bits
707 switch (hitData.GetPS()){
708
709 case LEADING_HIT_PS:
710 if (fVerbose==2)
711 AliInfo(Form("Leading hit: slotID=%d chain=%d PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",hitData.GetSlotID(),hitData.GetChain(),hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTOT(),hitData.GetTOTBin(),hitData.GetTime(),hitData.GetTimeBin()));
712 //check spider leading flag
713 if (fSpiderLeadingFlag[hitData.GetChan()]){
714 if (fVerbose==2)
715 AliInfo("Leading hit: buffer full, put previous in buffers as orphane and keep current");
716 //set TOT at zero for previous hit
717 fSpiderLeadingHit[hitData.GetChan()].SetACQ(4);
718 fSpiderLeadingHit[hitData.GetChan()].SetPS(1);
719 fSpiderLeadingHit[hitData.GetChan()].SetTOT(0);
720 fSpiderLeadingHit[hitData.GetChan()].SetTOTBin(0);
721 //push previous hit into packed buffer
722 if (fPackedDataBuffer != 0x0)
723 fPackedDataBuffer->Add(fSpiderLeadingHit[hitData.GetChan()]);
724 //set current hit
725 fSpiderLeadingHit[hitData.GetChan()]=hitData;
726 if (fVerbose==2)
727 AliInfo(Form("Packed hit: slotID=%d chain=%d PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",fSpiderLeadingHit[hitData.GetChan()].GetSlotID(),fSpiderLeadingHit[hitData.GetChan()].GetChain(),fSpiderLeadingHit[hitData.GetChan()].GetPS(),fSpiderLeadingHit[hitData.GetChan()].GetTDC(),fSpiderLeadingHit[hitData.GetChan()].GetChan(),fSpiderLeadingHit[hitData.GetChan()].GetTOT(),fSpiderLeadingHit[hitData.GetChan()].GetTOTBin(),fSpiderLeadingHit[hitData.GetChan()].GetTime(),fSpiderLeadingHit[hitData.GetChan()].GetTimeBin()));
728 }
729 else{
730 if (fVerbose==2)
731 AliInfo("Leading hit: buffer empty, keep current hit and set flag");
732 fSpiderLeadingHit[hitData.GetChan()]=hitData;
733 //set spider leading flag
734 fSpiderLeadingFlag[hitData.GetChan()]=kTRUE;
735 }
736 break;
737
738 case TRAILING_HIT_PS:
739 if (fVerbose==2)
740 AliInfo(Form("Trailing hit: slotID=%d chain=%d PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",hitData.GetSlotID(),hitData.GetChain(),hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTOT(),hitData.GetTOTBin(),hitData.GetTime(),hitData.GetTimeBin()));
741 //check spider leading flag
742 if (fSpiderLeadingFlag[hitData.GetChan()]){
743 if (fVerbose==2)
744 AliInfo("Trailing hit: buffer full, pack leading and trailing");
745 hitData.SetACQ(4);
746 hitData.SetPS(0);
747 hitData.SetTOT(hitData.GetTime()-fSpiderLeadingHit[hitData.GetChan()].GetTime());
748 hitData.SetTOTBin((Int_t)((hitData.GetTimeBin()-fSpiderLeadingHit[hitData.GetChan()].GetTimeBin())*TIME_TO_TOT_BIN_WIDTH));
749 hitData.SetTime(fSpiderLeadingHit[hitData.GetChan()].GetTime());
750 hitData.SetTimeBin(fSpiderLeadingHit[hitData.GetChan()].GetTimeBin());
751 //check TOT and set TOT overflow if TOT < 0
752 if (hitData.GetTOT() < 0){
753 hitData.SetPS(3);
754 hitData.SetTOT(0);
755 hitData.SetTOTBin(0);
756 }
757 if (fPackedDataBuffer != 0x0)
758 fPackedDataBuffer->Add(hitData);
759 if (fVerbose==2)
760 AliInfo(Form("Packed hit: slotID=%d chain=%d PS=%01d TDC=%01d chan=%01d TOT=%3.1fns (%d) time=%4.1fns (%d)",hitData.GetSlotID(),hitData.GetChain(),hitData.GetPS(),hitData.GetTDC(),hitData.GetChan(),hitData.GetTOT(),hitData.GetTOTBin(),hitData.GetTime(),hitData.GetTimeBin()));
761 //unset spider leading flag
762 fSpiderLeadingFlag[hitData.GetChan()]=kFALSE;
763 }
764 else{
765 if (fVerbose==2)
766 AliInfo("Trailing hit: buffer empty, throw hit away");
767 }
768 break;
769 }
770 //end switch PS bits
771
772 return kFALSE;
773}