1 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
2 * See cxx source for full Copyright notice */
4 //-----------------------------------
6 // decoding of TRD raw data stream
7 // and translation into digits
9 //----------------------------------
11 #ifndef ALITRDRAWSTREAM_H
12 #define ALITRDRAWSTREAM_H
16 #include "TClonesArray.h"
24 class AliTRDdigitsManager;
25 class AliTRDdigitsParam;
27 class AliTRDSignalIndex;
28 class AliTRDtrackletContainer;
31 class AliTRDrawStream : public TObject
34 AliTRDrawStream(AliRawReader *rawReader = 0x0);
37 enum { kDDLOffset = 0x400, // Offset for DDL numbers
38 kDDLMax = 0x411 }; // Max DDL number for TRD SM
40 Bool_t SetReader(AliRawReader *rawReader) { fRawReader = rawReader; return kTRUE; }
41 void SetDigitsManager(AliTRDdigitsManager *digMgr) { fDigitsManager = digMgr; }
42 void SetTrackletArray(TClonesArray *ar) { fTracklets = ar; }
43 void SetTrackArray(TClonesArray *ar) { fTracks = ar; }
44 void SetMarkerArray(TClonesArray *ar) { fMarkers = ar; }
46 TClonesArray* GetTrackletArray() const { return fTracklets; }
47 TClonesArray* GetTrackArray() const { return fTracks; }
48 TClonesArray* GetMarkerArray() const { return fMarkers; }
50 AliTRDdigitsManager* GetDigitsManager() const { return fDigitsManager; }
51 TTree *GetTrackletTree() const { return fTrackletTree; }
53 Bool_t ReadEvent(TTree *trackletTree = 0x0);
56 Int_t NextChamber(AliTRDdigitsManager *digMgr);
57 Int_t NextChamber(AliTRDdigitsManager *digMgr,
58 UInt_t ** /* trackletContainer */, UShort_t ** /* errorContainer */) { AliError("Deprecated, use NextChamber(AliTRDdigitsManger*) instead!"); return NextChamber(digMgr); }
60 Bool_t ConnectTracklets(TTree *trklTree);
62 void StoreErrorsInTree() { fStoreError = &AliTRDrawStream::StoreErrorTree; }
63 void StoreErrorsInArray() { fStoreError = &AliTRDrawStream::StoreErrorArray; }
64 void EnableErrorStorage() { fStoreError = &AliTRDrawStream::StoreErrorTree; }
65 void DisableErrorStorage() { fStoreError = &AliTRDrawStream::ForgetError; }
105 TTree* GetErrorTree() const { return fErrors; }
106 static const char* GetErrorMessage(ErrorCode_t errCode);
107 static void SetErrorDebugLevel(ErrorCode_t error, Int_t level) { fgErrorDebugLevel[error] = level; }
108 static void SetErrorBehaviour(ErrorCode_t error, ErrorBehav_t behav) { fgErrorBehav[error] = behav; }
110 class AliTRDrawStreamError : public TObject {
112 AliTRDrawStreamError(Int_t error = 0, Int_t sector = -1, Int_t stack = -1, Int_t link = -1, Int_t rob = -1, Int_t mcm = -1);
113 virtual ~AliTRDrawStreamError() {}
114 Int_t fError; // error code
115 Int_t fSector; // sector
116 Int_t fStack; // stack
118 Int_t fRob; // ROB no
119 Int_t fMcm; // MCM no
120 ClassDef(AliTRDrawStreamError, 1);
124 class AliTRDrawStats : public TObject {
126 AliTRDrawStats() : TObject(), fBytesRead(0) {}
129 class AliTRDrawStatsSector : public TObject {
131 AliTRDrawStatsSector() : TObject(), fBytes(0), fBytesRead(0), fNTracklets(0), fNMCMs(0), fNChannels(0) {}
134 class AliTRDrawStatsHC : public TObject {
136 AliTRDrawStatsHC() : TObject(), fBytes(0), fBytesRead(0), fNTracklets(0), fNMCMs(0), fNChannels(0) {}
139 Int_t fBytes; // number of bytes (not necessarily read)
140 Int_t fBytesRead; // number of bytes read
141 Int_t fNTracklets; // number of tracklets
142 Int_t fNMCMs; // number of MCMs (from MCM headers)
143 Int_t fNChannels; // number of channels
144 ClassDef(AliTRDrawStatsHC, 1);
147 Int_t fBytes; // number of bytes (not necessarily read)
148 Int_t fBytesRead; // number of bytes read
149 Int_t fNTracklets; // number of tracklets
150 Int_t fNMCMs; // number of MCMs (from MCM headers)
151 Int_t fNChannels; // number of channels
152 AliTRDrawStatsHC fStatsHC[60]; //[60] HC-wise statistics
153 ClassDef(AliTRDrawStatsSector, 1);
156 AliTRDrawStatsSector fStatsSector[18]; //[18] sector-wise statistics
157 Int_t fBytesRead; // number of bytes read
158 ClassDef(AliTRDrawStats, 1);
161 AliTRDrawStats* GetStats() { return &fStats; }
162 Int_t GetEventSize(Int_t sector) const { return fStats.fStatsSector[sector].fBytes; }
163 Int_t GetEventSize(Int_t sector, Int_t stack) const {
165 for (Int_t iHC = 0; iHC < 12; iHC++) {
166 size += fStats.fStatsSector[sector].fStatsHC[12*stack + iHC].fBytes;
170 Int_t GetNTracklets(Int_t sector) const { return fStats.fStatsSector[sector].fNTracklets; }
171 Int_t GetNMCMs(Int_t sector) const { return fStats.fStatsSector[sector].fNMCMs; }
172 Int_t GetNChannels(Int_t sector) const { return fStats.fStatsSector[sector].fNChannels; }
174 ULong64_t GetTrkFlags(Int_t sector, Int_t stack) const { return (fCurrTrgFlags[sector] & (1 << (27 + stack))) ? fCurrTrkFlags[sector*fgkNstacks + stack] : 0; }
175 UInt_t GetTriggerFlags(Int_t sector) const { return fCurrTrgFlags[sector]; }
178 void SetDumpMCM(Int_t det, Int_t rob, Int_t mcm, Bool_t dump = kTRUE);
180 Bool_t IsDumping() const { return (fNDumpMCMs > 0); }
181 Bool_t DumpingMCM(Int_t det, Int_t rob, Int_t mcm) const;
183 TString DumpRaw(TString title, const UInt_t *start, Int_t length, UInt_t endmarker = 0xffffffff);
184 TString DumpMcmHeader(TString title, UInt_t word);
185 TString DumpAdcMask(TString title, UInt_t word);
187 static void SortTracklets(TClonesArray *trklArray, TList &sortedTracklets, Int_t *indices);
188 static void AssignTracklets(AliESDTrdTrack *trdTrack, Int_t *trackletIndex, Int_t refIndex[6]);
190 // temporary: allow to change expected readout order
191 static void SetMCMReadoutPos(Int_t mcm, Int_t pos) { if (mcm > -1 && mcm < 16) fgMcmOrder[mcm] = pos; }
192 static void SetROBReadoutPos(Int_t robpair, Int_t pos) { if (robpair > -1 && robpair < 4) fgMcmOrder[robpair] = pos; }
195 Int_t ReadGTUHeaders(UInt_t *buffer);
196 Int_t ReadSmHeader();
197 Int_t ReadTrackingHeader(Int_t stack);
198 Int_t ReadTriggerHeaders();
199 Int_t ReadStackHeader(Int_t stack);
200 Int_t DecodeGTUtracks();
201 Int_t ReadGTUTrailer();
203 Int_t ReadLinkData();
204 Int_t ReadTracklets();
205 Int_t ReadHcHeader();
206 Int_t ReadTPData(Int_t mode = 1);
208 Int_t ReadNonZSData();
210 Int_t SeekNextStack();
211 Int_t SeekNextLink();
213 // MCM header decoding
214 Int_t ROB(UInt_t mcmhdr) const { return 0x7 & mcmhdr >> 28; }
215 Int_t MCM(UInt_t mcmhdr) const { return 0xf & mcmhdr >> 24; }
216 Int_t Row(UInt_t mcmhdr) const { return (ROB(mcmhdr) / 2) * 4 + MCM(mcmhdr) / 4; }
217 Int_t AdcColOffset(UInt_t mcmhdr) const { return (MCM(mcmhdr) % 4 + 1) * 21 + (ROB(mcmhdr) % 2) * 84 - 1; }
218 Int_t PadColOffset(UInt_t mcmhdr) const { return (MCM(mcmhdr) % 4 + 1) * 18 + (ROB(mcmhdr) % 2) * 72 + 1; }
219 Int_t EvNo(UInt_t mcmhdr) const { return 0xfffff & mcmhdr >> 4; }
220 Int_t Check(UInt_t mcmhdr) const { return 0xf & mcmhdr; }
221 Int_t CouldBeMCMhdr(UInt_t mcmhdr) const { return ((0xf & mcmhdr) == 0xc); }
223 Int_t GetMCMReadoutPos(Int_t mcm) const { return (mcm > -1 && mcm < 16) ? fgMcmOrder[mcm] : -1; }
224 Int_t GetROBReadoutPos(Int_t rob) const { return (rob > -1 && rob < 4) ? fgRobOrder[rob] : -1; }
227 Int_t GetActiveChannels(UInt_t adcmask) const { return 0x1fffff & adcmask >> 4; }
228 inline Int_t GetNActiveChannelsFromMask(UInt_t adcmask) const; // { Int_t nch = 0; for (Int_t i = 0; i < 21; i++) if ((GetActiveChannels(adcmask) & 1 << i)) nch++; return nch; }
229 Int_t GetNActiveChannels(UInt_t adcmask) const { return (0x1f & ~(adcmask >> 25)); }
230 Int_t CouldBeADCmask(UInt_t adcmask) const { return ((0xf & adcmask) == 0xc && (0x3 & adcmask >> 30) == 0x1); }
232 // error message generation
233 void EquipmentError(ErrorCode_t err = kUnknown, const char *const msg = " ", ...);
234 void StackError (ErrorCode_t err = kUnknown, const char *const msg = " ", ...);
235 void LinkError (ErrorCode_t err = kUnknown, const char *const msg = " ", ...);
236 void ROBError (ErrorCode_t err = kUnknown, const char *const msg = " ", ...);
237 void MCMError (ErrorCode_t err = kUnknown, const char *const msg = " ", ...);
238 void StoreErrorTree() { fErrors->Fill(); }
239 void StoreErrorArray() { new ((*fMarkers)[fMarkers->GetEntriesFast()]) AliTRDrawStreamError(fLastError); }
240 void ForgetError() { return; }
241 void (AliTRDrawStream::*fStoreError)(); //! function pointer to method used for storing the error
243 static const char* fgkErrorMessages[kLastErrorCode]; // error messages corresponding to the error codes
244 static Int_t fgErrorDebugLevel[kLastErrorCode]; // error debug level
245 static ErrorBehav_t fgErrorBehav[kLastErrorCode]; // bevhaviour in case of error of given type
248 AliRawReader *fRawReader; // pointer to the raw reader to take the data from
249 AliTRDdigitsManager *fDigitsManager; // pointer to the digitsManager to fill the data
250 AliTRDdigitsParam *fDigitsParam; // pointer to the parameters belonging to the digits
252 TTree *fErrors; // tree containing the occured error codes
253 AliTRDrawStreamError fLastError; // last error which occured
254 UInt_t fErrorFlags; // error flags used to steer subsequent reading
255 char fErrorBuffer[100]; // buffer for error message
257 AliTRDrawStats fStats; // event statistics, clearing must be done by the user
259 UInt_t *fPayloadStart; // pointer to start of data payload
260 UInt_t *fPayloadCurr; // pointer to current reading position in the payload
261 Int_t fPayloadSize; // size of the payload (in UInt_t words)
263 static const Int_t fgkNlinks; // number of links to read
264 static const Int_t fgkNsectors; // number of sectors
265 static const Int_t fgkNstacks; // number of stacks to read
266 static const Int_t fgkNtriggers; // number of triggers in data stream
267 static const UInt_t fgkDataEndmarker; // data endmarker
268 static const UInt_t fgkTrackletEndmarker; // tracklet endmarker
269 static const UInt_t fgkStackEndmarker[]; // stack endmarker (used from version 0xd on)
270 static Int_t fgMcmOrder []; // expected readout order of the MCMs
271 static Int_t fgRobOrder []; // expected readout order of the ROBs
273 // persistent information
274 Int_t fNtimebins; // number of timebins
275 Int_t fLastEvId; // Event ID of last event
277 // information valid at current reader position
278 // all the variables fCurr... refer to the value at the current
280 Int_t fCurrSlot; // current slot
281 Int_t fCurrLink; // current link
282 Int_t fCurrRobPos; // current ROB number
283 Int_t fCurrMcmPos; // current MCM number
286 UInt_t fCurrEquipmentId; // current Equipment ID
289 UInt_t fCurrSmHeaderSize; // current size of the SM header
290 UInt_t fCurrSmHeaderVersion; // current version of the SM header
291 UInt_t fCurrTrailerReadout; // current presence of trailer (after the payload)
292 UInt_t fCurrTrgHeaderAvail; // current trigger information availability
293 UInt_t fCurrTrgHeaderReadout; // current readout mode for the trigger headers
294 UInt_t fCurrTrkHeaderAvail; // current tracking information availability
295 UInt_t fCurrStackEndmarkerAvail; // current stack endmarker availability
296 UInt_t fCurrEvType; // current event type
297 UInt_t fCurrTriggerEnable; // current trigger enable
298 UInt_t fCurrTriggerFired; // current trigger fired
299 UInt_t fCurrTrackEnable; // current value of track enable
300 UInt_t fCurrTrackletEnable; // current value of tracklet enable
301 UInt_t fCurrStackMask; // current mask of active stacks
304 UInt_t *fCurrTrkHeaderIndexWord; // current tracking header index word
305 UInt_t *fCurrTrkHeaderSize; // current tracking header index word
306 ULong64_t *fCurrTrkFlags; // current tracking done flags
309 UInt_t *fCurrTrgHeaderIndexWord; // current tracking header index word
310 UInt_t *fCurrTrgHeaderSize; // current tracking header index word
311 UInt_t *fCurrTrgFlags; // current trigger flags of all sectors
314 UInt_t *fCurrStackIndexWord; // current stack index words
315 UInt_t *fCurrStackHeaderSize; // current stack index sizes
316 UInt_t *fCurrStackHeaderVersion; // current stack header versions
317 UInt_t *fCurrLinkMask; // current link masks
318 UInt_t *fCurrCleanCheckout; // current clean checkout flags
319 UInt_t *fCurrBoardId; // current board IDs
320 UInt_t fCurrHwRev; // current hardware revision
321 UInt_t *fCurrHwRevTMU; // current hardware revision
322 UInt_t *fCurrLinkMonitorFlags; // current link monitor flags
323 UInt_t *fCurrLinkDataTypeFlags; // current link data flags
324 UInt_t *fCurrLinkDebugFlags; // current link debug flags
326 // CRC checks from trailer
327 Char_t fCurrMatchFlagsSRAM;
328 Char_t fCurrMatchFlagsPostBP;
329 UInt_t fCurrChecksumStack[5];
330 UInt_t fCurrChecksumSIU;
333 Int_t fCurrSpecial; // current value of the special flag
334 Int_t fCurrMajor; // current major version
335 Int_t fCurrMinor; // current minor version
336 Int_t fCurrAddHcWords; // current number of additional HC-header words
337 Int_t fCurrSm; // current sector
338 Int_t fCurrStack; // current stack
339 Int_t fCurrLayer; // current layer
340 Int_t fCurrSide; // current side
341 Int_t fCurrHC; // current HC
342 Int_t fCurrCheck; // current check bits
343 Int_t fCurrNtimebins; // current number of timebins
344 Int_t fCurrBC; // current BC
345 Int_t fCurrPtrgCnt; // current pretrigger count
346 Int_t fCurrPtrgPhase; // current pretrigger phase
348 // settings for dumping
349 Int_t fDumpMCM[100]; // MCMs to dump
350 Int_t fNDumpMCMs; // number of MCMs to dump
352 // tracklet information
353 TClonesArray *fTrackletArray; // pointer to array for tracklet storage
356 AliTRDarrayADC *fAdcArray; // pointer to ADC array
357 AliTRDSignalIndex *fSignalIndex; // pointer to the signal index
358 TTree *fTrackletTree; // pointer to the tree for tracklet storage
359 TClonesArray *fTracklets; // pointer to array of tracklets
360 TClonesArray *fTracks; // pointer to array of GTU tracks
361 TClonesArray *fMarkers; // pointer to array of markers (data present, errors, ...)
363 AliTRDrawStream(const AliTRDrawStream&); // not implemented
364 AliTRDrawStream& operator=(const AliTRDrawStream&); // not implemented
366 ClassDef(AliTRDrawStream, 0);
369 Int_t AliTRDrawStream::GetNActiveChannelsFromMask(UInt_t adcmask) const
371 // return number of active bits in the ADC mask
373 adcmask = GetActiveChannels(adcmask);
374 adcmask = adcmask - ((adcmask >> 1) & 0x55555555);
375 adcmask = (adcmask & 0x33333333) + ((adcmask >> 2) & 0x33333333);
376 return (((adcmask + (adcmask >> 4)) & 0xF0F0F0F) * 0x1010101) >> 24;