1 #ifndef ALITOFRAWSTREAM_H
2 #define ALITOFRAWSTREAM_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ///////////////////////////////////////////////////////////////
10 // This class provides the key-reading for TOF raw data. //
12 ///////////////////////////////////////////////////////////////
16 //#include "AliTOFHitData.h"
17 #include "AliTOFHitDataBuffer.h"
18 #include "AliTOFDecoder.h"
19 //#include "AliTOFCableLengthMap.h"
23 class AliTOFDecoderV2;
25 /**********************************
27 **********************************/
29 /******************************************
31 ******************************************/
35 #define FILLER 0x70000000
38 //word type mask/position
39 #define WORD_TYPE_MASK 0xf0000000
40 #define WORD_TYPE_POSITION 28
42 //global header word required bit pattern
43 #define GLOBAL_HEADER 0x40000000
45 //global trailer word required bit pattern
46 #define GLOBAL_TRAILER 0x50000000
48 //error word required bit pattern
49 // already defined in AliTOFDecoder
50 //#define ERROR 0x30000000
52 //header slot ID mask/position
53 #define HEADER_SLOT_ID_MASK 0x0000000f
54 #define HEADER_SLOT_ID_POSITION 0
57 #define GLOBAL_HEADER_TYPE 4
58 #define GLOBAL_TRAILER_TYPE 5
61 #define TRM_CHAIN0_HEADER_TYPE 0
62 #define TRM_CHAIN0_TRAILER_TYPE 1
63 #define TRM_CHAIN1_HEADER_TYPE 2
64 #define TRM_CHAIN1_TRAILER_TYPE 3
67 #define DRM_ID_NUMBER 1
68 #define LTM_ID_NUMBER 2
71 /******************************************
73 ******************************************/
75 //DRM global header word required bit pattern
76 #define DRM_GLOBAL_HEADER 0x40000001
78 //DRM event words mask/position
79 #define DRM_EVENT_WORDS_MASK 0x001ffff0
80 #define DRM_EVENT_WORDS_POSITION 4
82 //DRM DRM ID mask/position
83 #define DRM_DRM_ID_MASK 0x0fe00000
84 #define DRM_DRM_ID_POSITION 21
86 //DRM status header 1 word required bit pattern
87 #define DRM_STATUS_HEADER_1 0x40000001
89 //DRM slot ID mask/position
90 #define DRM_SLOT_ID_MASK 0x00007ff0
91 #define DRM_SLOT_ID_POSITION 4
93 //DRM C-bit mask/position
94 #define DRM_C_BIT_MASK 0x00008000
95 #define DRM_C_BIT_POSITION 15
97 //DRM Vers-ID mask/position
98 #define DRM_VERS_ID_MASK 0x001f0000
99 #define DRM_VERS_ID_POSITION 16
101 //DRM DRM Header size mask/position
102 #define DRM_HEADER_SIZE_MASK 0x01e00000
103 #define DRM_HEADER_SIZE_POSITION 21
105 //DRM status header 2 word required bit pattern
106 #define DRM_STATUS_HEADER_2 0x40000001
108 //DRM enable ID mask/position
109 #define DRM_ENABLE_ID_MASK 0x00007ff0
110 #define DRM_ENABLE_ID_POSITION 4
112 //DRM zero in word2 mask/position
113 #define DRM_ZERO_WORD2_MASK 0x00008000
114 #define DRM_ZERO_WORD2_POSITION 15
116 //DRM fault ID mask/position
117 #define DRM_FAULT_ID_MASK 0x07ff0000
118 #define DRM_FAULT_ID_POSITION 16
120 //DRM RTO bit mask/position
121 #define DRM_RTO_BIT_MASK 0x08000000
122 #define DRM_RTO_BIT_POSITION 27
124 //DRM status header 3 word required bit pattern
125 #define DRM_STATUS_HEADER_3 0x40000001
127 //DRM L0 BCID mask/position
128 #define DRM_L0_BCID_MASK 0x0000fff0
129 #define DRM_L0_BCID_POSITION 4
131 //DRM Run Time Info mask/position
132 #define DRM_RUNTIME_INFO_MASK 0x0fff0000
133 #define DRM_RUNTIME_INFO_POSITION 16
135 //DRM status header 4 word required bit pattern
136 #define DRM_STATUS_HEADER_4 0x40000001
138 //DRM Temperature mask/position
139 #define DRM_TEMPERATURE_MASK 0x00003ff0
140 #define DRM_TEMPERATURE_POSITION 4
142 //DRM 1st zero in word4 mask/position
143 #define DRM_ZERO_1_WORD4_MASK 0x00004000
144 #define DRM_ZERO_1_WORD4_POSITION 14
146 //DRM ACK mask/position
147 #define DRM_ACK_MASK 0x00008000
148 #define DRM_ACK_POSITION 15
150 //DRM Sens AD mask/position
151 #define DRM_SENS_AD_MASK 0x00070000
152 #define DRM_SENS_AD_POSITION 16
154 //DRM 2nd zero in word4 mask/position
155 #define DRM_ZERO_2_WORD4_MASK 0x00080000
156 #define DRM_ZERO_2_WORD4_POSITION 19
158 //DRM event CRC mask/position
159 #define DRM_EVENT_CRC_MASK 0x000ffff0
160 #define DRM_EVENT_CRC_POSITION 4
162 //DRM global trailer word required bit pattern
163 #define DRM_GLOBAL_TRAILER 0x50000001
165 //DRM local event counter mask/position
166 #define DRM_LOCAL_EVENT_COUNTER_MASK 0x0000fff0
167 #define DRM_LOCAL_EVENT_COUNTER_POSITION 4
170 /******************************************
172 ******************************************/
174 //TRM global header word required bit pattern
175 #define TRM_GLOBAL_HEADER 0x40000000
177 //TRM slot ID mask/position
178 #define TRM_SLOT_ID_MASK 0x0000000f
179 #define TRM_SLOT_ID_POSITION 0
181 //TRM event words mask/position
182 #define TRM_EVENT_WORDS_MASK 0x0001fff0
183 #define TRM_EVENT_WORDS_POSITION 4
185 //TRM ACQ-bits mask/position
186 #define TRM_ACQ_BITS_MASK 0x00060000
187 #define TRM_ACQ_BITS_POSITION 17
189 //TRM L-bit mask/position
190 #define TRM_L_BIT_MASK 0x00080000
191 #define TRM_L_BIT_POSITION 19
193 //TRM chain-0 header word required bit pattern
194 #define TRM_CHAIN_0_HEADER 0x00000000
196 //TRM chain-1 header word required bit pattern
197 #define TRM_CHAIN_1_HEADER 0x20000000
199 //TRM bunch ID mask/position
200 #define TRM_BUNCH_ID_MASK 0x0000fff0
201 #define TRM_BUNCH_ID_POSITION 4
203 //TRM PB24 temp mask/position
204 #define TRM_PB24_TEMP_MASK 0x00ff0000
205 #define TRM_PB24_TEMP_POSITION 16
207 //TRM PB24 ID mask/position
208 #define TRM_PB24_ID_MASK 0x07000000
209 #define TRM_PB24_ID_POSITION 24
211 //TRM TS-bit mask/position
212 #define TRM_TS_BIT_MASK 0x08000000
213 #define TRM_TS_BIT_POSITION 27
215 //TRM chain-0 trailer word required bit pattern
216 #define TRM_CHAIN_0_TRAILER 0x10000000
218 //TRM chain-1 trailer word required bit pattern
219 #define TRM_CHAIN_1_TRAILER 0x30000000
221 //TRM status mask/position
222 #define TRM_STATUS_MASK 0x0000000f
223 #define TRM_STATUS_POSITION 0
228 //TRM TDC digit word required bit pattern
229 #define TRM_TDC_DIGIT 0x8000000
231 //TRM digit time mask/position
232 #define TRM_DIGIT_TIME_MASK 0x00001fff
233 #define TRM_DIGIT_TIME_POSITION 0
235 //TRM long digit time mask/position
236 #define TRM_LONG_DIGIT_TIME_MASK 0x001fffff
237 #define TRM_LONG_DIGIT_TIME_POSITION 0
239 //TRM TOT width mask/position
240 #define TRM_TOT_WIDTH_MASK 0x001fe000
241 #define TRM_TOT_WIDTH_POSITION 13
243 //TRM chan mask/position
244 #define TRM_CHAN_MASK 0x00e00000
245 #define TRM_CHAN_POSITION 21
247 //TRM TDC ID mask/position
248 #define TRM_TDC_ID_MASK 0x0f000000
249 #define TRM_TDC_ID_POSITION 24
251 //TRM E-bit mask/position
252 #define TRM_E_BIT_MASK 0x10000000
253 #define TRM_E_BIT_POSITION 28
255 //TRM PS-bits mask/position
256 #define TRM_PS_BITS_MASK 0x60000000
257 #define TRM_PS_BITS_POSITION 29
259 #define TRM_FIRST_SLOT_ID 3
261 //define hptdc time bin width
262 #define TIME_BIN_WIDTH 24.4e-3 //ns
264 //define hptdc tot bin width
265 // already defined in AliTOFDecoder
266 //#define TOT_BIN_WIDTH 48.4e-3 //ns
270 //TRM TDC error word required bit pattern
271 #define TRM_TDC_ERROR 0x6000000
273 //TRM TDC diagnostic error word required bit pattern
274 #define TRM_TDC_DIAGNOSTIC_ERROR 0x6f00000
276 //TRM TDC error flags mask/position
277 #define TRM_TDC_ERROR_FLAGS_MASK 0x00007fff
278 #define TRM_TDC_ERROR_FLAGS_POSITION 0
280 //TRM TDC error TDC ID mask/position
281 #define TRM_TDC_ERROR_TDC_ID_MASK 0x0f00000
282 #define TRM_TDC_ERROR_TDC_ID_POSITION 24
284 //TRM TDC fault chip flag ID mask/position
285 #define TRM_TDC_ERROR_FAULT_CHIP_FLAG_ID_MASK 0x00007fff
286 #define TRM_TDC_ERROR_FAULT_CHIP_FLAG_ID_POSITION 0
288 //TRM TDC error C-bit mask/position
289 #define TRM_TDC_ERROR_C_BIT_MASK 0x00008000
290 #define TRM_TDC_ERROR_C_BIT_POSITION 15
292 //TRM TDC JTAG error code mask/position
293 #define TRM_TDC_ERROR_JTAG_ERROR_CODE_MASK 0x000007ff
294 #define TRM_TDC_ERROR_JTAG_ERROR_CODE_POSITION 0
296 //TRM TDC disgnostic error TDC ID mask/position
297 #define TRM_TDC_DIAGNOSTIC_ERROR_TDC_ID_MASK 0x00007800
298 #define TRM_TDC_DIAGNOSTIC_ERROR_TDC_ID_POSITION 11
300 //TRM global trailer word required bit pattern
301 //#define TRM_GLOBAL_TRAILER 0x50000000
302 #define TRM_GLOBAL_TRAILER 0x5000000f
304 //TRM event CRC mask/position
305 #define TRM_EVENT_CRC_MASK 0x0000fff0
306 #define TRM_EVENT_CRC_POSITION 4
308 //TRM event counter mask/position
309 #define TRM_EVENT_COUNTER_MASK 0x0fff0000
310 #define TRM_EVENT_COUNTER_POSITION 16
313 /******************************************
315 ******************************************/
317 //LTM global header word required bit pattern
318 #define LTM_GLOBAL_HEADER 0x40000002
320 //LTM event words mask/position
321 #define LTM_EVENT_WORDS_MASK 0x0001fff0
322 #define LTM_EVENT_WORDS_POSITION 4
324 //LTM C-bit mask/position
325 #define LTM_C_BIT_MASK 0x00020000
326 #define LTM_C_BIT_POSITION 17
328 //LTM fault mask/position
329 #define LTM_FAULT_MASK 0x00fc0000
330 #define LTM_FAULT_POSITION 18
334 //PDL value 1 mask/position
335 #define LTM_PDL_VALUE_1_MASK 0x000000ff
336 #define LTM_PDL_VALUE_1_POSITION 0
338 //PDL value 2 mask/position
339 #define LTM_PDL_VALUE_2_MASK 0x0000ff00
340 #define LTM_PDL_VALUE_2_POSITION 8
342 //PDL value 3 mask/position
343 #define LTM_PDL_VALUE_3_MASK 0x00ff0000
344 #define LTM_PDL_VALUE_3_POSITION 16
346 //PDL value 4 mask/position
347 #define LTM_PDL_VALUE_4_MASK 0xff000000
348 #define LTM_PDL_VALUE_4_POSITION 24
352 //ADC value 1 mask/position
353 #define LTM_ADC_VALUE_1_MASK 0x000003ff
354 #define LTM_ADC_VALUE_1_POSITION 0
356 //ADC value 2 mask/position
357 #define LTM_ADC_VALUE_2_MASK 0x000ffc00
358 #define LTM_ADC_VALUE_2_POSITION 10
360 //ADC value 3 mask/position
361 #define LTM_ADC_VALUE_3_MASK 0x3ff00000
362 #define LTM_ADC_VALUE_3_POSITION 20
364 //LTM global trailer word required bit pattern
365 #define LTM_GLOBAL_TRAILER 0x50000002
367 //LTM event CRC mask/position
368 #define LTM_EVENT_CRC_MASK 0x0000fff0
369 #define LTM_EVENT_CRC_POSITION 4
371 //LTM event number mask/position
372 #define LTM_EVENT_NUMBER_MASK 0x0fff0000
373 #define LTM_EVENT_NUMBER_POSITION 16
375 /******************************************
376 * END OF OLD DEFINITIONS
377 ******************************************/
383 class AliTOFRawStream: public TObject {
386 AliTOFRawStream(); // default ctr
387 AliTOFRawStream(AliRawReader* rawReader); // ctr
388 virtual ~AliTOFRawStream(); // default dtr
390 AliTOFRawStream(const AliTOFRawStream& stream); // copy ctr
391 AliTOFRawStream& operator = (const AliTOFRawStream& stream); // ass. op.
393 virtual Bool_t Next();
395 virtual void LoadRawData(Int_t indexDDL);
397 Int_t GetDDL() const {return fDDL;};
398 Int_t GetTRM() const {return fTRM;};
399 Int_t GetTDC() const {return fTDC;};
400 Int_t GetTRMchain() const {return fTRMchain;};
401 Int_t GetTDCchannel() const {return fTDCchannel;};
403 Int_t GetSector() const {return fSector;};
404 Int_t GetPlate() const {return fPlate;};
405 Int_t GetStrip() const {return fStrip;};
406 Int_t GetPadZ() const {return fPadZ;};
407 Int_t GetPadX() const {return fPadX;};
409 Int_t GetTofBin() const {return fTime;};
410 Int_t GetToTbin() const {return fToT;};
411 Float_t GetLeadingEdge() const {return fLeadingEdge;};
412 Float_t GetTrailingEdge() const {return fTrailingEdge;};
414 Int_t GetPSbit() const {return fPSbit;};
415 Int_t GetACQ() const {return fACQ;};
417 Int_t GetErrorFlag() const {return fErrorFlag;};
419 Bool_t GetDecoderVersion() const {return fNewDecoderVersion;};
421 void SetDDL(Int_t nDDL) {fDDL = nDDL;};
422 void SetTRM(Int_t nTRM) {fTRM = nTRM;};
423 void SetTDC(Int_t nTDC) {fTDC = nTDC;};
424 void SetTRMchain(Int_t nChain) {fTRMchain = nChain;};
425 void SetTDCchannel(Int_t nChannel) {fTDCchannel = nChannel;};
427 void SetDecoderVersion(Bool_t version) {fNewDecoderVersion = version;};
429 TClonesArray *GetRawData() const {return fTOFrawData;};
437 Bool_t GetBCCorrections() const {return fgApplyBCCorrections;}; // getter for the BC application switch
438 Int_t GetDDLBCshift(Int_t ddl) const {return fgkddlBCshift[ddl];}; // getter for the DDL BC shift
439 Int_t GetLocalEventCounterDRM() const {return fLocalEventCounterDRM;}; // getter for the DRM event counter
440 Int_t GetLocalEventCounterLTM() const {return fLocalEventCounterLTM;}; // getter for the LTM event counter
441 Int_t GetLocalEventCounterTRM(Int_t trm) const {return fLocalEventCounterTRM[trm];}; // getter for the TRM event counter
442 Int_t GetLocalEventCounterChain(Int_t trm, Int_t chain) const {return fLocalEventCounterChain[trm][chain];}; // getter for the chain event counter
443 Int_t GetChainBunchID(Int_t trm, Int_t chain) const {return fChainBunchID[trm][chain];}; // getter for the chain BC ID
446 void Raw2Digits(AliRawReader* rawReader, TClonesArray * const digitsArray);
447 void Raw2SDigits(AliRawReader* rawReader, TClonesArray * const sdigitsArray);
449 static void EquipmentId2VolumeId(Int_t nDDL, Int_t nTRM, Int_t iChain,
450 Int_t iTDC, Int_t iCH, Int_t *volume);
451 void EquipmentId2VolumeId(AliTOFHitData *hitData, Int_t *volume) const;
452 static Int_t Equip2VolNplate(Int_t iDDL, Int_t nTRM, Int_t nTDC);
453 static Int_t Equip2VolNstrip(Int_t iDDL, Int_t nTRM, Int_t nTDC);
454 static Int_t Equip2VolNpad(Int_t iDDL, Int_t iChain, Int_t nTDC, Int_t iCH);
455 static Int_t Equip2VolNpadX(Int_t iDDL, Int_t iChain, Int_t nTDC, Int_t iCH);
456 static Int_t Equip2VolNpadZ(Int_t iDDL, Int_t iChain, Int_t nTDC, Int_t iCH);
457 static Int_t GetDDLnumberPerSector(Int_t nDDL);
458 static Int_t GetSectorNumber(Int_t nDDL);
460 static Int_t Geant2DDL(Int_t vol[]);
461 static Int_t Geant2TRM(Int_t vol[]);
462 static Int_t Geant2TDC(Int_t vol[]);
463 static Int_t Geant2Chain(Int_t vol[]);
464 static Int_t Geant2Channel(Int_t vol[]);
465 static void Geant2EquipmentId(Int_t vol[], Int_t eqId[]);
467 Bool_t DecodeDDL(Int_t DDLMin, Int_t DDLMax, Int_t verbose);
468 Bool_t Decode(Int_t verbose);
469 Bool_t DecodeV2(Int_t verbose);
470 AliTOFDecoder *GetDecoder() const {return fDecoder;};
471 AliTOFDecoderV2 *GetDecoderV2() const {return fDecoderV2;};
472 void SetV2718Patch(Bool_t V2718Patch = kTRUE) {fDecoder->SetV2718Patch(V2718Patch);};
474 void SetRawReader(AliRawReader * const rawReader) {fRawReader=rawReader;};
476 AliTOFHitDataBuffer * GetDataBuffer(Int_t DDL) {return &fDataBuffer[DDL];};
477 AliTOFHitDataBuffer * GetPackedDataBuffer(Int_t DDL) {return &fPackedDataBuffer[DDL];};
479 void ResetDataBuffer(Int_t DDL) {fDataBuffer[DDL].Reset();};
480 void ResetPackedDataBuffer(Int_t DDL) {fPackedDataBuffer[DDL].Reset();};
484 Bool_t LoadRawDataBuffers(Int_t indexDDL, Int_t verbose = 0);
485 Bool_t LoadRawDataBuffersV2(Int_t indexDDL, Int_t verbose = 0);
486 static void ApplyBCCorrections(Bool_t Value = kTRUE) {fgApplyBCCorrections = Value;};
488 Int_t GetEventID() const {return fEventID;}; // getter for the eventID1 (bunch crossing) in the common data header
490 void LTM2VolumeID(Int_t iDDL,
495 Int_t detind0[], Int_t detind1[]) const;
496 void VolumeID2LTM(Int_t detind[],
501 Int_t &iChannel) const;
503 enum ETOFRawStreamError {
505 kPadAlongStripError = 1,
517 Int_t GetField(UInt_t word, Int_t fieldMask, Int_t fieldPosition) const;
519 AliRawReader* fRawReader; // object for reading the raw data
521 TClonesArray *fTOFrawData; // pointer to AliTOFrawData TClonesArray
523 AliTOFDecoder *fDecoder; //pointer to TOF decoder
524 AliTOFDecoderV2 *fDecoderV2; //pointer to TOF decoder
526 Int_t fDDL; // DDL file number [0;71]
527 Int_t fTRM; // TRM number [1;12]
528 Int_t fTRMchain; // TRM chain number [0;1]
529 Int_t fTDC; // TDC number [0;14]
530 Int_t fTDCchannel; // TDC channel number [0;7]
531 Int_t fTime; // time-of-flight measurement [0;8191]
532 Int_t fToT; // time-over-threshould measurement [0;255]
533 Int_t fLeadingEdge; // leading edge measurement
534 Int_t fTrailingEdge; // trailing edge measurement
535 Int_t fErrorFlag; // error flag
537 Int_t fSector; // sector number [0;17]
538 Int_t fPlate; // plate number [0;4]
539 Int_t fStrip; // strip number [0;14/18]
540 Int_t fPadX; // pad number along the strip [0;47]
541 Int_t fPadZ; // pad-row number [0;1]
543 Int_t fPackedDigits; // counter for packed digits
545 Int_t fWordType; // word type
546 Int_t fSlotID; // crate slot ID number
547 Int_t fACQ; // flag to identif the aquisition kind
548 Int_t fPSbit; // flag for packing
549 Int_t fTDCerrorFlag; // TDC error flag
550 Bool_t fInsideDRM; // inside/outside DRM
551 Bool_t fInsideTRM; // inside/outside TRM
552 Bool_t fInsideLTM; // inside/outside LTM
553 Bool_t fInsideTRMchain0; // inside/outside chain 0
554 Bool_t fInsideTRMchain1; // inside/outside chain 1
556 AliTOFHitDataBuffer fDataBuffer[72]; // AliTOFHitDataBuffer
557 AliTOFHitDataBuffer fPackedDataBuffer[72]; // AliTOFHitDataBuffer
559 Int_t fLocalEventCounterDRM; // event counter recorded in the DRM global trailer
560 Int_t fLocalEventCounterLTM; // event counter recorded in the LTM global trailer
561 Int_t fLocalEventCounterTRM[13]; // event counter recorded in the TRMs global trailer
562 Int_t fLocalEventCounterChain[13][2]; // event counter recorded in the chains trailer
563 Int_t fChainBunchID[13][2]; // BC ID recorded in the chains header
565 //AliTOFCableLengthMap * fCableLengthMap; // Pointer to the map of Amphenol cable length
567 Int_t fEventID; // event ID1 in the common data header
569 Bool_t fNewDecoderVersion; // setting whether to use the new decoder version
570 // -true -> new version
571 // -false ->old version (default value!!)
573 static const Int_t fgkddlBCshift[72]; // DDL BC shifts
574 static Bool_t fgApplyBCCorrections; // switch to choose if apply or not the BC shift corrections
576 static const Int_t fgkStrip0MapCrate0[]; // 1st strip number in crate 0
577 static const Int_t fgkStrip1MapCrate0[]; // 2nd strip number in crate 0
578 static const Int_t fgkStrip0MapCrate1[]; // 1st strip number in crate 1
579 static const Int_t fgkStrip1MapCrate1[]; // 2nd strip number in crate 1
580 static const Int_t fgkStrip0MapCrate2[]; // 1st strip number in crate 2
581 static const Int_t fgkStrip1MapCrate2[]; // 2nd strip number in crate 2
582 static const Int_t fgkStrip0MapCrate3[]; // 1st strip number in crate 3
583 static const Int_t fgkStrip1MapCrate3[]; // 2nd strip number in crate 3
585 static const Int_t fgkModule0MapCrate0[]; // 1st module number in crate 0
586 static const Int_t fgkModule1MapCrate0[]; // 2nd module number in crate 0
587 static const Int_t fgkModule0MapCrate1[]; // 1st module number in crate 1
588 static const Int_t fgkModule1MapCrate1[]; // 2nd module number in crate 1
589 static const Int_t fgkModule0MapCrate2[]; // 1st module number in crate 2
590 static const Int_t fgkModule1MapCrate2[]; // 2nd module number in crate 2
591 static const Int_t fgkModule0MapCrate3[]; // 1st module number in crate 3
592 static const Int_t fgkModule1MapCrate3[]; // 2nd module number in crate 3
594 static const Int_t fgkChannelMap0[5][19]; // mapping padX<24 <-> TDC channels
595 static const Int_t fgkChannelMap24[5][19]; // mapping padX>=24 <-> TDC channels
596 static const Int_t fgkChainMap0[5][19]; // mapping padX<24 <-> TRM chain
597 static const Int_t fgkChainMap24[5][19]; // mapping padX>=24 <-> TRM chain
600 ClassDef(AliTOFRawStream, 3) // class for reading TOF raw digits