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"
18 #include "AliTRDrawStreamBase.h"
25 class AliTRDdigitsManager;
26 class AliTRDdigitsParam;
28 class AliTRDSignalIndex;
29 class AliTRDtrackletContainer;
31 class AliTRDrawStream : public AliTRDrawStreamBase
34 AliTRDrawStream(AliRawReader *rawReader = 0x0);
37 Bool_t SetReader(AliRawReader *rawReader) { fRawReader = rawReader; return kTRUE; }
38 void SetDigitsManager(AliTRDdigitsManager *digMgr) { fDigitsManager = digMgr; }
40 AliTRDdigitsManager* GetDigitsManager() const { return fDigitsManager; }
41 TTree *GetTrackletTree() const { return fTrackletTree; }
43 Bool_t ReadEvent(TTree *trackletTree = 0x0);
46 Int_t NextChamber(AliTRDdigitsManager *digMgr,
47 UInt_t ** /* trackletContainer */, UShort_t ** /* errorContainer */);
49 Bool_t ConnectTracklets(TTree *trklTree);
51 void EnableErrorStorage() { fStoreError = &AliTRDrawStream::StoreErrorTree; }
52 void DisableErrorStorage() { fStoreError = &AliTRDrawStream::ForgetError; }
54 // legacy code, to be removed
55 Bool_t SetRawVersion(Int_t) { return kTRUE; }
56 void SetSharedPadReadout(Bool_t) {}
57 void SetNoErrorWarning() {}
89 TTree* GetErrorTree() const { return fErrors; }
90 static const char* GetErrorMessage(ErrorCode_t errCode);
93 class AliTRDrawStats : public TObject {
95 AliTRDrawStats() : TObject(), fBytesRead(0) {}
98 class AliTRDrawStatsSector : public TObject {
100 AliTRDrawStatsSector() : TObject(), fBytes(0), fBytesRead(0), fNTracklets(0), fNMCMs(0), fNChannels(0) {}
103 class AliTRDrawStatsHC : public TObject {
105 AliTRDrawStatsHC() : TObject(), fBytes(0), fBytesRead(0), fNTracklets(0), fNMCMs(0), fNChannels(0) {}
108 Int_t fBytes; // number of bytes (not necessarily read)
109 Int_t fBytesRead; // number of bytes read
110 Int_t fNTracklets; // number of tracklets
111 Int_t fNMCMs; // number of MCMs (from MCM headers)
112 Int_t fNChannels; // number of channels
113 ClassDef(AliTRDrawStatsHC, 1);
116 Int_t fBytes; // number of bytes (not necessarily read)
117 Int_t fBytesRead; // number of bytes read
118 Int_t fNTracklets; // number of tracklets
119 Int_t fNMCMs; // number of MCMs (from MCM headers)
120 Int_t fNChannels; // number of channels
121 AliTRDrawStatsHC fStatsHC[60]; //[60] HC-wise statistics
122 ClassDef(AliTRDrawStatsSector, 1);
126 AliTRDrawStatsSector fStatsSector[18]; //[18] sector-wise statistics
127 Int_t fBytesRead; // number of bytes read
128 ClassDef(AliTRDrawStats, 1);
131 AliTRDrawStats fStats; // event statistics, clearing must be done by the user
133 AliTRDrawStats* GetStats() { return &fStats; }
134 Int_t GetEventSize(Int_t sector) { return fStats.fStatsSector[sector].fBytes; }
135 Int_t GetNTracklets(Int_t sector) { return fStats.fStatsSector[sector].fNTracklets; }
136 Int_t GetNMCMs(Int_t sector) { return fStats.fStatsSector[sector].fNMCMs; }
137 Int_t GetNChannels(Int_t sector) { return fStats.fStatsSector[sector].fNChannels; }
140 void SetDumpMCM(Int_t det, Int_t rob, Int_t mcm, Bool_t dump = kTRUE);
142 Bool_t IsDumping() { return (fNDumpMCMs > 0); }
143 Bool_t DumpingMCM(Int_t det, Int_t rob, Int_t mcm);
145 void DumpRaw(TString title, UInt_t *start, Int_t length);
148 Int_t ReadSmHeader();
149 Int_t ReadStackIndexHeader(Int_t stack);
151 Int_t ReadLinkData();
152 Int_t ReadTracklets();
153 Int_t ReadHcHeader();
154 Int_t ReadTPData(Int_t mode = 1);
156 Int_t ReadNonZSData();
158 Int_t SeekNextLink();
160 // MCM header decoding
161 Int_t ROB(UInt_t mcmhdr) const { return 0x7 & mcmhdr >> 28; }
162 Int_t MCM(UInt_t mcmhdr) const { return 0xf & mcmhdr >> 24; }
163 Int_t Row(UInt_t mcmhdr) const { return (ROB(mcmhdr) / 2) * 4 + MCM(mcmhdr) / 4; }
164 Int_t AdcColOffset(UInt_t mcmhdr) const { return (MCM(mcmhdr) % 4 + 1) * 21 + (ROB(mcmhdr) % 2) * 84 - 1; }
165 Int_t PadColOffset(UInt_t mcmhdr) const { return (MCM(mcmhdr) % 4 + 1) * 18 + (ROB(mcmhdr) % 2) * 72 + 1; }
166 Int_t EvNo(UInt_t mcmhdr) const { return 0xfffff & mcmhdr >> 4; }
167 Int_t Check(UInt_t mcmhdr) const { return 0xf & mcmhdr; }
168 Int_t CouldBeMCMhdr(UInt_t mcmhdr) const { return ((0xf & mcmhdr) == 0xc); }
170 Int_t GetMCMReadoutPos(Int_t mcm) const { return (mcm > -1 && mcm < 16) ? fgkMcmOrder[mcm] : -1; }
171 Int_t GetROBReadoutPos(Int_t rob) const { return (rob > -1 && rob < 4) ? fgkRobOrder[rob] : -1; }
174 Int_t GetActiveChannels(UInt_t adcmask) const { return 0x1fffff & adcmask >> 4; }
175 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; }
176 Int_t GetNActiveChannels(UInt_t adcmask) const { return (0x1f & ~(adcmask >> 25)); }
177 Int_t CouldBeADCmask(UInt_t adcmask) const { return ((0xf & adcmask) == 0xc && (0x3 & adcmask >> 30) == 0x1); }
179 // error message generation
180 void EquipmentError(ErrorCode_t err = kUnknown, const char *const msg = "", ...);
181 void StackError (ErrorCode_t err = kUnknown, const char *const msg = "", ...);
182 void LinkError (ErrorCode_t err = kUnknown, const char *const msg = "", ...);
183 void ROBError (ErrorCode_t err = kUnknown, const char *const msg = "", ...);
184 void MCMError (ErrorCode_t err = kUnknown, const char *const msg = "", ...);
185 void StoreErrorTree() { fErrors->Fill(); }
186 void ForgetError() { return; }
187 void (AliTRDrawStream::*fStoreError)(); //! function pointer to method used for storing the error
189 static const char* fgErrorMessages[kLastErrorCode]; // error messages corresponding to the error codes
190 static const Int_t fgErrorDebugLevel[kLastErrorCode]; // error debug level
191 static ErrorBehav_t fgErrorBehav[kLastErrorCode]; // bevhaviour in case of error of given type
194 AliRawReader *fRawReader; // pointer to the raw reader to take the data from
195 AliTRDdigitsManager *fDigitsManager; // pointer to the digitsManager to fill the data
196 AliTRDdigitsParam *fDigitsParam; // pointer to the parameters belonging to the digits
198 TTree *fErrors; // tree containing the occured error codes
199 class AliTRDrawStreamError {
201 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);
202 Int_t fError; // error code
203 Int_t fSector; // sector
204 Int_t fStack; // stack
206 Int_t fRob; // ROB no
207 Int_t fMcm; // MCM no
208 ClassDef(AliTRDrawStreamError, 1);
209 } fLastError; // last error which occured
210 UInt_t fErrorFlags; // error flags used to steer subsequent reading
211 char fErrorBuffer[100]; // buffer for error message
213 UInt_t *fPayloadStart; // pointer to start of data payload
214 UInt_t *fPayloadCurr; // pointer to current reading position in the payload
215 Int_t fPayloadSize; // size of the payload (in UInt_t words)
217 static const Int_t fgkNlinks; // number of links to read
218 static const Int_t fgkNstacks; // number of stacks to read
219 static const UInt_t fgkDataEndmarker; // data endmarker
220 static const UInt_t fgkTrackletEndmarker; // tracklet endmarker
221 static const Int_t fgkMcmOrder []; // expected readout order of the MCMs
222 static const Int_t fgkRobOrder []; // expected readout order of the ROBs
224 // persistent information
225 Int_t fNtimebins; // number of timebins
226 Int_t fLastEvId; // Event ID of last event
228 // information valid at current reader position
229 // all the variables fCurr... refer to the value at the current
231 Int_t fCurrSlot; // current slot
232 Int_t fCurrLink; // current link
233 Int_t fCurrRobPos; // current ROB number
234 Int_t fCurrMcmPos; // current MCM number
237 UInt_t fCurrEquipmentId; // current Equipment ID
240 UInt_t fCurrSmuIndexHeaderSize; // current size of the SMU index header
241 UInt_t fCurrSmuIndexHeaderVersion; // current version of the SMU index header
242 UInt_t fCurrTrackEnable; // current value of track enable
243 UInt_t fCurrTrackletEnable; // current value of tracklet enable
244 UInt_t fCurrStackMask; // current mask of active stacks
246 // Stack index header
247 UInt_t *fCurrStackIndexWord; // current stack index words
248 UInt_t *fCurrStackHeaderSize; // current stack index sizes
249 UInt_t *fCurrStackHeaderVersion; // current stack header versions
250 UInt_t *fCurrLinkMask; // current link masks
251 UInt_t *fCurrCleanCheckout; // current clean checkout flags
252 UInt_t *fCurrBoardId; // current board IDs
253 UInt_t *fCurrHwRev; // current hardware revision
254 UInt_t *fCurrLinkMonitorFlags; // current link monitor flags
255 UInt_t *fCurrLinkDataTypeFlags; // current link data flags
256 UInt_t *fCurrLinkDebugFlags; // current link debug flags
259 Int_t fCurrSpecial; // current value of the special flag
260 Int_t fCurrMajor; // current major version
261 Int_t fCurrMinor; // current minor version
262 Int_t fCurrAddHcWords; // current number of additional HC-header words
263 Int_t fCurrSm; // current sector
264 Int_t fCurrStack; // current stack
265 Int_t fCurrLayer; // current layer
266 Int_t fCurrSide; // current side
267 Int_t fCurrHC; // current HC
268 Int_t fCurrCheck; // current check bits
269 Int_t fCurrNtimebins; // current number of timebins
270 Int_t fCurrBC; // current BC
271 Int_t fCurrPtrgCnt; // current pretrigger count
272 Int_t fCurrPtrgPhase; // current pretrigger phase
274 // settings for dumping
275 Int_t fDumpMCM[100]; // MCMs to dump
276 Int_t fNDumpMCMs; // number of MCMs to dump
278 // tracklet information
279 TClonesArray *fTrackletArray; // pointer to array for tracklet storage
282 AliTRDarrayADC *fAdcArray; // pointer to ADC array
283 AliTRDSignalIndex *fSignalIndex; // pointer to the signal index
284 TTree *fTrackletTree; // pointer to the tree for tracklet storage
286 AliTRDrawStream(const AliTRDrawStream&); // not implemented
287 AliTRDrawStream& operator=(const AliTRDrawStream&); // not implemented
289 ClassDef(AliTRDrawStream, 0);
292 Int_t AliTRDrawStream::GetNActiveChannelsFromMask(UInt_t adcmask) const
294 // return number of active bits in the ADC mask
296 adcmask = GetActiveChannels(adcmask);
297 adcmask = adcmask - ((adcmask >> 1) & 0x55555555);
298 adcmask = (adcmask & 0x33333333) + ((adcmask >> 2) & 0x33333333);
299 return (((adcmask + (adcmask >> 4)) & 0xF0F0F0F) * 0x1010101) >> 24;