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 "AliTRDrawStreamBase.h"
17 //#include "AliRawReader.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 Bool_t ReadEvent(TTree *trackletTree = 0x0);
43 Int_t NextChamber(AliTRDdigitsManager *digMgr,
44 UInt_t ** /* trackletContainer */, UShort_t ** /* errorContainer */);
46 Bool_t ConnectTracklets(TTree *trklTree);
48 // legacy code, to be removed
49 Bool_t SetRawVersion(Int_t) { return kTRUE; }
50 void SetSharedPadReadout(Bool_t) {}
51 void SetNoErrorWarning() {}
83 TTree* GetErrorTree() const { return fErrors; }
84 static const char* GetErrorMessage(ErrorCode_t errCode);
87 class AliTRDrawStats : public TObject {
89 AliTRDrawStats() : TObject(), fBytesRead(0) {}
92 class AliTRDrawStatsSector : public TObject {
94 AliTRDrawStatsSector() : TObject(), fBytes(0), fBytesRead(0), fNTracklets(0), fNMCMs(0), fNChannels(0) {}
97 class AliTRDrawStatsHC : public TObject {
99 AliTRDrawStatsHC() : TObject(), fBytes(0), fBytesRead(0), fNTracklets(0), fNMCMs(0), fNChannels(0) {}
102 Int_t fBytes; // number of bytes (not necessarily read)
103 Int_t fBytesRead; // number of bytes read
104 Int_t fNTracklets; // number of tracklets
105 Int_t fNMCMs; // number of MCMs (from MCM headers)
106 Int_t fNChannels; // number of channels
107 ClassDef(AliTRDrawStatsHC, 1);
110 Int_t fBytes; // number of bytes (not necessarily read)
111 Int_t fBytesRead; // number of bytes read
112 Int_t fNTracklets; // number of tracklets
113 Int_t fNMCMs; // number of MCMs (from MCM headers)
114 Int_t fNChannels; // number of channels
115 AliTRDrawStatsHC fStatsHC[60]; //[60] HC-wise statistics
116 ClassDef(AliTRDrawStatsSector, 1);
120 AliTRDrawStatsSector fStatsSector[18]; //[18] sector-wise statistics
121 Int_t fBytesRead; // number of bytes read
122 ClassDef(AliTRDrawStats, 1);
125 AliTRDrawStats fStats; // event statistics, clearing must be done by the user
127 AliTRDrawStats* GetStats() { return &fStats; }
128 Int_t GetEventSize(Int_t sector) { return fStats.fStatsSector[sector].fBytes; }
129 Int_t GetNTracklets(Int_t sector) { return fStats.fStatsSector[sector].fNTracklets; }
130 Int_t GetNMCMs(Int_t sector) { return fStats.fStatsSector[sector].fNMCMs; }
131 Int_t GetNChannels(Int_t sector) { return fStats.fStatsSector[sector].fNChannels; }
134 void SetDumpMCM(Int_t det, Int_t rob, Int_t mcm, Bool_t dump = kTRUE);
136 Bool_t IsDumping() { return (fNDumpMCMs > 0); }
137 Bool_t DumpingMCM(Int_t det, Int_t rob, Int_t mcm);
139 void DumpRaw(TString title, UInt_t *start, Int_t length);
142 Int_t ReadSmHeader();
143 Int_t ReadStackIndexHeader(Int_t stack);
145 Int_t ReadLinkData();
146 Int_t ReadTracklets();
147 Int_t ReadHcHeader();
148 Int_t ReadTPData(Int_t mode = 1);
150 Int_t ReadNonZSData();
152 Int_t SeekNextLink();
154 // MCM header decoding
155 Int_t ROB(UInt_t mcmhdr) const { return 0x7 & mcmhdr >> 28; }
156 Int_t MCM(UInt_t mcmhdr) const { return 0xf & mcmhdr >> 24; }
157 Int_t Row(UInt_t mcmhdr) const { return (ROB(mcmhdr) / 2) * 4 + MCM(mcmhdr) / 4; }
158 Int_t AdcColOffset(UInt_t mcmhdr) const { return (MCM(mcmhdr) % 4 + 1) * 21 + (ROB(mcmhdr) % 2) * 84 - 1; }
159 Int_t PadColOffset(UInt_t mcmhdr) const { return (MCM(mcmhdr) % 4 + 1) * 18 + (ROB(mcmhdr) % 2) * 72 + 1; }
160 Int_t EvNo(UInt_t mcmhdr) const { return 0xfffff & mcmhdr >> 4; }
161 Int_t Check(UInt_t mcmhdr) const { return 0xf & mcmhdr; }
162 Int_t CouldBeMCMhdr(UInt_t mcmhdr) const { return ((0xf & mcmhdr) == 0xc); }
164 Int_t GetMCMReadoutPos(Int_t mcm) const { return (mcm > -1 && mcm < 16) ? fgkMcmOrder[mcm] : -1; }
165 Int_t GetROBReadoutPos(Int_t rob) const { return (rob > -1 && rob < 4) ? fgkRobOrder[rob] : -1; }
168 Int_t GetActiveChannels(UInt_t adcmask) const { return 0x1fffff & adcmask >> 4; }
169 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; }
170 Int_t GetNActiveChannels(UInt_t adcmask) const { return (0x1f & ~(adcmask >> 25)); }
171 Int_t CouldBeADCmask(UInt_t adcmask) const { return ((0xf & adcmask) == 0xc && (0x3 & adcmask >> 30) == 0x1); }
173 // error message generation
174 TString EquipmentError(ErrorCode_t err = kUnknown, TString msg = "", ...);
175 TString StackError (ErrorCode_t err = kUnknown, TString msg = "", ...);
176 TString LinkError (ErrorCode_t err = kUnknown, TString msg = "", ...);
177 TString ROBError (ErrorCode_t err = kUnknown, TString msg = "", ...);
178 TString MCMError (ErrorCode_t err = kUnknown, TString msg = "", ...);
180 static const char* fgErrorMessages[kLastErrorCode]; // error messages corresponding to the error codes
181 static const Int_t fgErrorDebugLevel[kLastErrorCode]; // error debug level
182 static ErrorBehav_t fgErrorBehav[kLastErrorCode]; // bevhaviour in case of error of given type
185 AliRawReader *fRawReader; // pointer to the raw reader to take the data from
186 AliTRDdigitsManager *fDigitsManager; // pointer to the digitsManager to fill the data
187 AliTRDdigitsParam *fDigitsParam; // pointer to the parameters belonging to the digits
189 TTree *fErrors; // tree containing the occured error codes
190 struct { Int_t fSector; Int_t fStack; Int_t fLink; Int_t fError; Int_t fRob; Int_t fMcm; }
191 fLastError; // last error which occured
192 UInt_t fErrorFlags; // error flags used to steer subsequent reading
193 char fErrorBuffer[100]; // buffer for error message
195 UInt_t *fPayloadStart; // pointer to start of data payload
196 UInt_t *fPayloadCurr; // pointer to current reading position in the payload
197 Int_t fPayloadSize; // size of the payload (in UInt_t words)
199 static const Int_t fgkNlinks; // number of links to read
200 static const Int_t fgkNstacks; // number of stacks to read
201 static const UInt_t fgkDataEndmarker; // data endmarker
202 static const UInt_t fgkTrackletEndmarker; // tracklet endmarker
203 static const Int_t fgkMcmOrder []; // expected readout order of the MCMs
204 static const Int_t fgkRobOrder []; // expected readout order of the ROBs
206 // persistent information
207 Int_t fNtimebins; // number of timebins
208 Int_t fLastEvId; // Event ID of last event
210 // information valid at current reader position
211 // all the variables fCurr... refer to the value at the current
213 Int_t fCurrSlot; // current slot
214 Int_t fCurrLink; // current link
215 Int_t fCurrRobPos; // current ROB number
216 Int_t fCurrMcmPos; // current MCM number
219 UInt_t fCurrEquipmentId; // current Equipment ID
222 UInt_t fCurrSmuIndexHeaderSize; // current size of the SMU index header
223 UInt_t fCurrSmuIndexHeaderVersion; // current version of the SMU index header
224 UInt_t fCurrTrackEnable; // current value of track enable
225 UInt_t fCurrTrackletEnable; // current value of tracklet enable
226 UInt_t fCurrStackMask; // current mask of active stacks
228 // Stack index header
229 UInt_t *fCurrStackIndexWord; // current stack index words
230 UInt_t *fCurrStackHeaderSize; // current stack index sizes
231 UInt_t *fCurrStackHeaderVersion; // current stack header versions
232 UInt_t *fCurrLinkMask; // current link masks
233 UInt_t *fCurrCleanCheckout; // current clean checkout flags
234 UInt_t *fCurrBoardId; // current board IDs
235 UInt_t *fCurrHwRev; // current hardware revision
236 UInt_t *fCurrLinkMonitorFlags; // current link monitor flags
237 UInt_t *fCurrLinkDataTypeFlags; // current link data flags
238 UInt_t *fCurrLinkDebugFlags; // current link debug flags
241 Int_t fCurrSpecial; // current value of the special flag
242 Int_t fCurrMajor; // current major version
243 Int_t fCurrMinor; // current minor version
244 Int_t fCurrAddHcWords; // current number of additional HC-header words
245 Int_t fCurrSm; // current sector
246 Int_t fCurrStack; // current stack
247 Int_t fCurrLayer; // current layer
248 Int_t fCurrSide; // current side
249 Int_t fCurrHC; // current HC
250 Int_t fCurrCheck; // current check bits
251 Int_t fCurrNtimebins; // current number of timebins
252 Int_t fCurrBC; // current BC
253 Int_t fCurrPtrgCnt; // current pretrigger count
254 Int_t fCurrPtrgPhase; // current pretrigger phase
256 // settings for dumping
257 Int_t fDumpMCM[100]; // MCMs to dump
258 Int_t fNDumpMCMs; // number of MCMs to dump
260 // tracklet information
261 TClonesArray *fTrackletArray; // pointer to array for tracklet storage
264 AliTRDarrayADC *fAdcArray; // pointer to ADC array
265 AliTRDSignalIndex *fSignalIndex; // pointer to the signal index
266 TTree *fTrackletTree; // pointer to the tree for tracklet storage
268 AliTRDrawStream(const AliTRDrawStream&); // not implemented
269 AliTRDrawStream& operator=(const AliTRDrawStream&); // not implemented
271 ClassDef(AliTRDrawStream, 0);
274 Int_t AliTRDrawStream::GetNActiveChannelsFromMask(UInt_t adcmask) const
276 // return number of active bits in the ADC mask
278 adcmask = GetActiveChannels(adcmask);
279 adcmask = adcmask - ((adcmask >> 1) & 0x55555555);
280 adcmask = (adcmask & 0x33333333) + ((adcmask >> 2) & 0x33333333);
281 return (((adcmask + (adcmask >> 4)) & 0xF0F0F0F) * 0x1010101) >> 24;