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
15 #include "TClonesArray.h"
23 class AliTRDdigitsManager;
24 class AliTRDdigitsParam;
26 class AliTRDSignalIndex;
27 class AliTRDtrackletContainer;
29 #define TRDMAXTBINS 63
31 #define TRDMAXMCM 4 * 16
32 #define MAXTRACKLETSPERHC 256
34 class AliTRDrawStream : public TObject
37 AliTRDrawStream(AliRawReader *rawReader = 0x0);
40 enum { kDDLOffset = 0x400 }; // Offset for DDL numbers
42 Bool_t SetReader(AliRawReader *rawReader) { fRawReader = rawReader; return kTRUE; }
43 void SetDigitsManager(AliTRDdigitsManager *digMgr) { fDigitsManager = digMgr; }
44 void SetTrackletArray(TClonesArray *ar) { fTracklets = ar; }
45 void SetTrackArray(TClonesArray *ar) { fTracks = ar; }
46 void SetMarkerArray(TClonesArray *ar) { fMarkers = ar; }
48 TClonesArray* GetTrackletArray() const { return fTracklets; }
49 TClonesArray* GetTrackArray() const { return fTracks; }
50 TClonesArray* GetMarkerArray() const { return fMarkers; }
52 AliTRDdigitsManager* GetDigitsManager() const { return fDigitsManager; }
53 TTree *GetTrackletTree() const { return fTrackletTree; }
55 Bool_t ReadEvent(TTree *trackletTree = 0x0);
58 Int_t NextChamber(AliTRDdigitsManager *digMgr,
59 UInt_t ** /* trackletContainer */=NULL, UShort_t ** /* errorContainer */=NULL);
61 Bool_t ConnectTracklets(TTree *trklTree);
63 void StoreErrorsInTree() { fStoreError = &AliTRDrawStream::StoreErrorTree; }
64 void StoreErrorsInArray() { fStoreError = &AliTRDrawStream::StoreErrorArray; }
65 void EnableErrorStorage() { fStoreError = &AliTRDrawStream::StoreErrorTree; }
66 void DisableErrorStorage() { fStoreError = &AliTRDrawStream::ForgetError; }
103 TTree* GetErrorTree() const { return fErrors; }
104 static const char* GetErrorMessage(ErrorCode_t errCode);
106 class AliTRDrawStreamError : public TObject {
108 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);
109 virtual ~AliTRDrawStreamError() {}
110 Int_t fError; // error code
111 Int_t fSector; // sector
112 Int_t fStack; // stack
114 Int_t fRob; // ROB no
115 Int_t fMcm; // MCM no
116 ClassDef(AliTRDrawStreamError, 1);
120 class AliTRDrawStats : public TObject {
122 AliTRDrawStats() : TObject(), fBytesRead(0) {}
125 class AliTRDrawStatsSector : public TObject {
127 AliTRDrawStatsSector() : TObject(), fBytes(0), fBytesRead(0), fNTracklets(0), fNMCMs(0), fNChannels(0) {}
130 class AliTRDrawStatsHC : public TObject {
132 AliTRDrawStatsHC() : TObject(), fBytes(0), fBytesRead(0), fNTracklets(0), fNMCMs(0), fNChannels(0) {}
135 Int_t fBytes; // number of bytes (not necessarily read)
136 Int_t fBytesRead; // number of bytes read
137 Int_t fNTracklets; // number of tracklets
138 Int_t fNMCMs; // number of MCMs (from MCM headers)
139 Int_t fNChannels; // number of channels
140 ClassDef(AliTRDrawStatsHC, 1);
143 Int_t fBytes; // number of bytes (not necessarily read)
144 Int_t fBytesRead; // number of bytes read
145 Int_t fNTracklets; // number of tracklets
146 Int_t fNMCMs; // number of MCMs (from MCM headers)
147 Int_t fNChannels; // number of channels
148 AliTRDrawStatsHC fStatsHC[60]; //[60] HC-wise statistics
149 ClassDef(AliTRDrawStatsSector, 1);
152 AliTRDrawStatsSector fStatsSector[18]; //[18] sector-wise statistics
153 Int_t fBytesRead; // number of bytes read
154 ClassDef(AliTRDrawStats, 1);
157 AliTRDrawStats fStats; // event statistics, clearing must be done by the user
159 AliTRDrawStats* GetStats() { return &fStats; }
160 Int_t GetEventSize(Int_t sector) const { return fStats.fStatsSector[sector].fBytes; }
161 Int_t GetNTracklets(Int_t sector) const { return fStats.fStatsSector[sector].fNTracklets; }
162 Int_t GetNMCMs(Int_t sector) const { return fStats.fStatsSector[sector].fNMCMs; }
163 Int_t GetNChannels(Int_t sector) const { return fStats.fStatsSector[sector].fNChannels; }
166 void SetDumpMCM(Int_t det, Int_t rob, Int_t mcm, Bool_t dump = kTRUE);
168 Bool_t IsDumping() const { return (fNDumpMCMs > 0); }
169 Bool_t DumpingMCM(Int_t det, Int_t rob, Int_t mcm) const;
171 void DumpRaw(TString title, UInt_t *start, Int_t length);
174 Int_t ReadSmHeader();
175 Int_t ReadStackIndexHeader(Int_t stack);
177 Int_t ReadLinkData();
178 Int_t ReadTracklets();
179 Int_t ReadHcHeader();
180 Int_t ReadTPData(Int_t mode = 1);
182 Int_t ReadNonZSData();
184 Int_t SeekNextLink();
186 // MCM header decoding
187 Int_t ROB(UInt_t mcmhdr) const { return 0x7 & mcmhdr >> 28; }
188 Int_t MCM(UInt_t mcmhdr) const { return 0xf & mcmhdr >> 24; }
189 Int_t Row(UInt_t mcmhdr) const { return (ROB(mcmhdr) / 2) * 4 + MCM(mcmhdr) / 4; }
190 Int_t AdcColOffset(UInt_t mcmhdr) const { return (MCM(mcmhdr) % 4 + 1) * 21 + (ROB(mcmhdr) % 2) * 84 - 1; }
191 Int_t PadColOffset(UInt_t mcmhdr) const { return (MCM(mcmhdr) % 4 + 1) * 18 + (ROB(mcmhdr) % 2) * 72 + 1; }
192 Int_t EvNo(UInt_t mcmhdr) const { return 0xfffff & mcmhdr >> 4; }
193 Int_t Check(UInt_t mcmhdr) const { return 0xf & mcmhdr; }
194 Int_t CouldBeMCMhdr(UInt_t mcmhdr) const { return ((0xf & mcmhdr) == 0xc); }
196 Int_t GetMCMReadoutPos(Int_t mcm) const { return (mcm > -1 && mcm < 16) ? fgkMcmOrder[mcm] : -1; }
197 Int_t GetROBReadoutPos(Int_t rob) const { return (rob > -1 && rob < 4) ? fgkRobOrder[rob] : -1; }
200 Int_t GetActiveChannels(UInt_t adcmask) const { return 0x1fffff & adcmask >> 4; }
201 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; }
202 Int_t GetNActiveChannels(UInt_t adcmask) const { return (0x1f & ~(adcmask >> 25)); }
203 Int_t CouldBeADCmask(UInt_t adcmask) const { return ((0xf & adcmask) == 0xc && (0x3 & adcmask >> 30) == 0x1); }
205 // error message generation
206 void EquipmentError(ErrorCode_t err = kUnknown, const char *const msg = "", ...);
207 void StackError (ErrorCode_t err = kUnknown, const char *const msg = "", ...);
208 void LinkError (ErrorCode_t err = kUnknown, const char *const msg = "", ...);
209 void ROBError (ErrorCode_t err = kUnknown, const char *const msg = "", ...);
210 void MCMError (ErrorCode_t err = kUnknown, const char *const msg = "", ...);
211 void StoreErrorTree() { fErrors->Fill(); }
212 void StoreErrorArray() { new ((*fMarkers)[fMarkers->GetEntriesFast()]) AliTRDrawStreamError(fLastError); }
213 void ForgetError() { return; }
214 void (AliTRDrawStream::*fStoreError)(); //! function pointer to method used for storing the error
216 static const char* fgkErrorMessages[kLastErrorCode]; // error messages corresponding to the error codes
217 static Int_t fgErrorDebugLevel[kLastErrorCode]; // error debug level
218 static ErrorBehav_t fgErrorBehav[kLastErrorCode]; // bevhaviour in case of error of given type
221 AliRawReader *fRawReader; // pointer to the raw reader to take the data from
222 AliTRDdigitsManager *fDigitsManager; // pointer to the digitsManager to fill the data
223 AliTRDdigitsParam *fDigitsParam; // pointer to the parameters belonging to the digits
225 TTree *fErrors; // tree containing the occured error codes
226 AliTRDrawStreamError fLastError; // last error which occured
227 UInt_t fErrorFlags; // error flags used to steer subsequent reading
228 char fErrorBuffer[100]; // buffer for error message
230 UInt_t *fPayloadStart; // pointer to start of data payload
231 UInt_t *fPayloadCurr; // pointer to current reading position in the payload
232 Int_t fPayloadSize; // size of the payload (in UInt_t words)
234 static const Int_t fgkNlinks; // number of links to read
235 static const Int_t fgkNstacks; // number of stacks to read
236 static const UInt_t fgkDataEndmarker; // data endmarker
237 static const UInt_t fgkTrackletEndmarker; // tracklet endmarker
238 static const Int_t fgkMcmOrder []; // expected readout order of the MCMs
239 static const Int_t fgkRobOrder []; // expected readout order of the ROBs
241 // persistent information
242 Int_t fNtimebins; // number of timebins
243 Int_t fLastEvId; // Event ID of last event
245 // information valid at current reader position
246 // all the variables fCurr... refer to the value at the current
248 Int_t fCurrSlot; // current slot
249 Int_t fCurrLink; // current link
250 Int_t fCurrRobPos; // current ROB number
251 Int_t fCurrMcmPos; // current MCM number
254 UInt_t fCurrEquipmentId; // current Equipment ID
257 UInt_t fCurrSmuIndexHeaderSize; // current size of the SMU index header
258 UInt_t fCurrSmuIndexHeaderVersion; // current version of the SMU index header
259 UInt_t fCurrTrackEnable; // current value of track enable
260 UInt_t fCurrTrackletEnable; // current value of tracklet enable
261 UInt_t fCurrStackMask; // current mask of active stacks
263 // Stack index header
264 UInt_t *fCurrStackIndexWord; // current stack index words
265 UInt_t *fCurrStackHeaderSize; // current stack index sizes
266 UInt_t *fCurrStackHeaderVersion; // current stack header versions
267 UInt_t *fCurrLinkMask; // current link masks
268 UInt_t *fCurrCleanCheckout; // current clean checkout flags
269 UInt_t *fCurrBoardId; // current board IDs
270 UInt_t *fCurrHwRev; // current hardware revision
271 UInt_t *fCurrLinkMonitorFlags; // current link monitor flags
272 UInt_t *fCurrLinkDataTypeFlags; // current link data flags
273 UInt_t *fCurrLinkDebugFlags; // current link debug flags
276 Int_t fCurrSpecial; // current value of the special flag
277 Int_t fCurrMajor; // current major version
278 Int_t fCurrMinor; // current minor version
279 Int_t fCurrAddHcWords; // current number of additional HC-header words
280 Int_t fCurrSm; // current sector
281 Int_t fCurrStack; // current stack
282 Int_t fCurrLayer; // current layer
283 Int_t fCurrSide; // current side
284 Int_t fCurrHC; // current HC
285 Int_t fCurrCheck; // current check bits
286 Int_t fCurrNtimebins; // current number of timebins
287 Int_t fCurrBC; // current BC
288 Int_t fCurrPtrgCnt; // current pretrigger count
289 Int_t fCurrPtrgPhase; // current pretrigger phase
291 // settings for dumping
292 Int_t fDumpMCM[100]; // MCMs to dump
293 Int_t fNDumpMCMs; // number of MCMs to dump
295 // tracklet information
296 TClonesArray *fTrackletArray; // pointer to array for tracklet storage
299 AliTRDarrayADC *fAdcArray; // pointer to ADC array
300 AliTRDSignalIndex *fSignalIndex; // pointer to the signal index
301 TTree *fTrackletTree; // pointer to the tree for tracklet storage
302 TClonesArray *fTracklets; // pointer to array of tracklets
303 TClonesArray *fTracks; // pointer to array of GTU tracks
304 TClonesArray *fMarkers; // pointer to array of markers (data present, errors, ...)
306 AliTRDrawStream(const AliTRDrawStream&); // not implemented
307 AliTRDrawStream& operator=(const AliTRDrawStream&); // not implemented
309 ClassDef(AliTRDrawStream, 0);
312 Int_t AliTRDrawStream::GetNActiveChannelsFromMask(UInt_t adcmask) const
314 // return number of active bits in the ADC mask
316 adcmask = GetActiveChannels(adcmask);
317 adcmask = adcmask - ((adcmask >> 1) & 0x55555555);
318 adcmask = (adcmask & 0x33333333) + ((adcmask >> 2) & 0x33333333);
319 return (((adcmask + (adcmask >> 4)) & 0xF0F0F0F) * 0x1010101) >> 24;