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2906f4c2 | 1 | /************************************************************************** |
1fd93b67 | 2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * |
2906f4c2 | 3 | * * |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | /// | |
20 | /// This class provides access to ITS SPD digits in raw data. | |
21 | /// | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include "AliITSRawStreamSPD.h" | |
25 | #include "AliRawReader.h" | |
d9edae7b | 26 | #include "AliLog.h" |
2906f4c2 | 27 | |
28 | ClassImp(AliITSRawStreamSPD) | |
29 | ||
30 | ||
31 | const Int_t AliITSRawStreamSPD::fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL] = { | |
32 | { 0, 1, 4, 5, 80, 81, 84, 85, 88, 89, 92, 93}, | |
2906f4c2 | 33 | { 8, 9,12,13, 96, 97,100,101,104,105,108,109}, |
2906f4c2 | 34 | {16,17,20,21,112,113,116,117,120,121,124,125}, |
2906f4c2 | 35 | {24,25,28,29,128,129,132,133,136,137,140,141}, |
2906f4c2 | 36 | {32,33,36,37,144,145,148,149,152,153,156,157}, |
2906f4c2 | 37 | {40,41,44,45,160,161,164,165,168,169,172,173}, |
2906f4c2 | 38 | {48,49,52,53,176,177,180,181,184,185,188,189}, |
2906f4c2 | 39 | {56,57,60,61,192,193,196,197,200,201,204,205}, |
2906f4c2 | 40 | {64,65,68,69,208,209,212,213,216,217,220,221}, |
2906f4c2 | 41 | {72,73,76,77,224,225,228,229,232,233,236,237}, |
72600597 | 42 | { 2, 3, 6, 7, 82, 83, 86, 87, 90, 91, 94, 95}, |
43 | {10,11,14,15, 98, 99,102,103,106,107,110,111}, | |
44 | {18,19,22,23,114,115,118,119,122,123,126,127}, | |
45 | {26,27,30,31,130,131,134,135,138,139,142,143}, | |
46 | {34,35,38,39,146,147,150,151,154,155,158,159}, | |
47 | {42,43,46,47,162,163,166,167,170,171,174,175}, | |
48 | {50,51,54,55,178,179,182,183,186,187,190,191}, | |
49 | {58,59,62,63,194,195,198,199,202,203,206,207}, | |
50 | {66,67,70,71,210,211,214,215,218,219,222,223}, | |
2906f4c2 | 51 | {74,75,78,79,226,227,230,231,234,235,238,239} |
52 | }; | |
53 | ||
54 | ||
55 | AliITSRawStreamSPD::AliITSRawStreamSPD(AliRawReader* rawReader) : | |
56 | AliITSRawStream(rawReader), | |
d9edae7b | 57 | fEventNumber(-1),fChipAddr(0),fHalfStaveNr(0),fCol(0),fRow(0), |
c42b9ed0 | 58 | fData(0),fOffset(0),fHitCount(0), |
59 | fDataChar1(0),fDataChar2(0),fDataChar3(0),fDataChar4(0), | |
60 | fFirstWord(kTRUE),fPrevEventId(0xffffffff) | |
2906f4c2 | 61 | { |
c42b9ed0 | 62 | // create an object to read ITS SPD raw digits |
362c9d61 | 63 | fRawReader->Select("ITSSPD"); |
c42b9ed0 | 64 | // reset calib header words |
65 | for (UInt_t iword=0; iword<kCalHeadLenMax; iword++) { | |
66 | fCalHeadWord[iword]=0xffffffff; | |
67 | } | |
68 | NewEvent(); | |
2906f4c2 | 69 | } |
70 | ||
72600597 | 71 | Bool_t AliITSRawStreamSPD::ReadNextShort() |
72 | { | |
c42b9ed0 | 73 | // read next 16 bit word into fData |
72600597 | 74 | if (fFirstWord) { |
72600597 | 75 | Bool_t b1 = fRawReader->ReadNextChar(fDataChar1); |
76 | if (!b1) return kFALSE; | |
77 | Bool_t b2, b3, b4; | |
78 | b2 = fRawReader->ReadNextChar(fDataChar2); | |
79 | b3 = fRawReader->ReadNextChar(fDataChar3); | |
80 | b4 = fRawReader->ReadNextChar(fDataChar4); | |
81 | if (!(b2 && b3 && b4)) { | |
82 | return kFALSE; | |
83 | } | |
84 | fData = fDataChar3+(fDataChar4<<8); | |
c42b9ed0 | 85 | if ((*fRawReader->GetEventId())!=fPrevEventId) { // if new event... |
86 | NewEvent(); | |
87 | fPrevEventId=(*fRawReader->GetEventId()); | |
88 | } | |
89 | fFirstWord=kFALSE; | |
72600597 | 90 | } |
91 | else { | |
92 | fFirstWord=kTRUE; | |
93 | fData = fDataChar1+(fDataChar2<<8); | |
94 | } | |
95 | ||
96 | return kTRUE; | |
97 | } | |
98 | ||
c42b9ed0 | 99 | Bool_t AliITSRawStreamSPD::ReadNextInt() |
72600597 | 100 | { |
c42b9ed0 | 101 | // reads next 32 bit into fDataChar1..4 |
102 | // (if first 16 bits read already, just completes the present word) | |
103 | if (fFirstWord) { | |
104 | if (ReadNextShort() && ReadNextShort()) { | |
105 | return kTRUE; | |
106 | } | |
107 | } | |
108 | else { | |
109 | if (ReadNextShort()) { | |
110 | return kTRUE; | |
111 | } | |
112 | } | |
113 | return kFALSE; | |
114 | } | |
115 | ||
116 | void AliITSRawStreamSPD::NewEvent() | |
117 | { | |
118 | // call this to reset flags for a new event | |
119 | for (UInt_t eqId=0; eqId<20; eqId++) { | |
120 | fCalHeadRead[eqId]=kFALSE; | |
121 | } | |
122 | fEventNumber=-1; | |
123 | } | |
124 | ||
125 | Bool_t AliITSRawStreamSPD::ReadCalibHeader() | |
126 | { | |
127 | // read the extra calibration header | |
128 | // returns kTRUE if the header is present and has length > 0 | |
72600597 | 129 | |
c42b9ed0 | 130 | Int_t ddlID = fRawReader->GetDDLID(); |
131 | if (ddlID==-1) { // we may need to read one word to get the blockAttr | |
132 | if (!ReadNextShort()) return kFALSE; | |
133 | ddlID = fRawReader->GetDDLID(); | |
134 | } | |
72600597 | 135 | UChar_t attr = fRawReader->GetBlockAttributes(); |
c42b9ed0 | 136 | if (ddlID>=0 && ddlID<20) fCalHeadRead[ddlID]=kTRUE; |
72600597 | 137 | if ((attr & 0x40) == 0x40) { // is the header present? |
c42b9ed0 | 138 | if (ReadNextInt()) { |
72600597 | 139 | // length of cal header: |
140 | UInt_t calLen = fDataChar1+(fDataChar2<<8)+(fDataChar3<<16)+(fDataChar4<<24); | |
c42b9ed0 | 141 | if (calLen>kCalHeadLenMax) { |
d9edae7b | 142 | fRawReader->AddMajorErrorLog(kCalHeaderLengthErr,Form("Header length %d > max = %d",calLen,kCalHeadLenMax)); |
143 | AliWarning(Form("Header length problem. %d > %d (max)",calLen,kCalHeadLenMax)); | |
c42b9ed0 | 144 | return kFALSE; |
145 | } | |
146 | else if (calLen>0) { | |
147 | for (UInt_t iword=0; iword<calLen; iword++) { | |
148 | if (ReadNextInt()) { | |
149 | fCalHeadWord[iword] = fDataChar1+(fDataChar2<<8)+(fDataChar3<<16)+(fDataChar4<<24); | |
150 | } | |
151 | else { | |
d9edae7b | 152 | fRawReader->AddMajorErrorLog(kCalHeaderLengthErr,"header length problem"); |
153 | AliWarning("header length problem"); | |
c42b9ed0 | 154 | return kFALSE; |
155 | } | |
156 | } | |
157 | return kTRUE; | |
72600597 | 158 | } |
159 | } | |
160 | } | |
c42b9ed0 | 161 | |
162 | return kFALSE; | |
72600597 | 163 | } |
2906f4c2 | 164 | |
165 | Bool_t AliITSRawStreamSPD::Next() | |
166 | { | |
167 | // read the next raw digit | |
168 | // returns kFALSE if there is no digit left | |
169 | ||
c42b9ed0 | 170 | Int_t ddlID=-1; |
2906f4c2 | 171 | fPrevModuleID = fModuleID; |
c42b9ed0 | 172 | |
72600597 | 173 | while (ReadNextShort()) { |
c42b9ed0 | 174 | |
175 | ddlID = fRawReader->GetDDLID(); | |
176 | if (ddlID>=0 && ddlID<20) { | |
177 | if (!fCalHeadRead[ddlID]) { | |
178 | ReadCalibHeader(); | |
179 | } | |
180 | } | |
181 | else { | |
d9edae7b | 182 | fRawReader->AddMajorErrorLog(kDDLNumberErr,Form("Wrong DDL number %d",ddlID)); |
183 | AliWarning(Form("DDL number error (= %d) , setting it to 19", ddlID)); | |
c42b9ed0 | 184 | ddlID=19; |
185 | } | |
186 | ||
72600597 | 187 | if ((fData & 0xC000) == 0x4000) { // header |
2906f4c2 | 188 | fHitCount = 0; |
189 | UShort_t eventNumber = (fData >> 4) & 0x007F; | |
190 | if (fEventNumber < 0) { | |
191 | fEventNumber = eventNumber; | |
72600597 | 192 | } |
193 | else if (eventNumber != fEventNumber) { | |
d9edae7b | 194 | fRawReader->AddMajorErrorLog(kEventNumberErr,Form("Reading event number %d instead of %d",eventNumber,fEventNumber)); |
195 | AliWarning(Form("mismatching event numbers: %d != %d",eventNumber, fEventNumber)); | |
2906f4c2 | 196 | } |
c42b9ed0 | 197 | fChipAddr = fData & 0x000F; |
198 | if (fChipAddr>9) { | |
d9edae7b | 199 | fRawReader->AddMajorErrorLog(kChipAddrErr,Form("Overflow chip address %d - set to 9",fChipAddr)); |
200 | AliWarning(Form("overflow chip addr (= %d) , setting it to 9", fChipAddr)); | |
c42b9ed0 | 201 | fChipAddr=9; |
2906f4c2 | 202 | } |
c42b9ed0 | 203 | fHalfStaveNr = (fData & 0x3800)>>11; |
204 | if (fHalfStaveNr>5 || fRawReader->TestBlockAttribute(fHalfStaveNr)) { | |
d9edae7b | 205 | fRawReader->AddMajorErrorLog(kStaveNumberErr,Form("Half stave number error %d - set to 5",fHalfStaveNr)); |
206 | AliWarning(Form("half stave number error(=%d) , setting it to 5", fHalfStaveNr)); | |
c42b9ed0 | 207 | fHalfStaveNr=5; |
2906f4c2 | 208 | } |
c42b9ed0 | 209 | // translate ("online") ddl, hs, chip nr to ("offline") module id : |
6727e2db | 210 | fModuleID = GetOfflineModuleFromOnline(ddlID,fHalfStaveNr,fChipAddr); |
72600597 | 211 | } |
212 | else if ((fData & 0xC000) == 0x0000) { // trailer | |
2906f4c2 | 213 | UShort_t hitCount = fData & 0x1FFF; |
d9edae7b | 214 | if (hitCount != fHitCount){ |
215 | fRawReader->AddMajorErrorLog(kNumbHitsErr,Form("Number of hits %d instead of %d",hitCount,fHitCount)); | |
216 | AliWarning(Form("wrong number of hits: %d != %d", fHitCount, hitCount)); | |
217 | } | |
218 | } | |
72600597 | 219 | else if ((fData & 0xC000) == 0x8000) { // pixel hit |
2906f4c2 | 220 | fHitCount++; |
c42b9ed0 | 221 | fCol = (fData & 0x001F); |
222 | fRow = (fData >> 5) & 0x00FF; | |
223 | ||
6727e2db | 224 | fCoord1 = GetOfflineColFromOnline(ddlID,fHalfStaveNr,fChipAddr,fCol); |
225 | fCoord2 = GetOfflineRowFromOnline(ddlID,fHalfStaveNr,fChipAddr,fRow); | |
c42b9ed0 | 226 | |
2906f4c2 | 227 | return kTRUE; |
72600597 | 228 | } |
229 | else { // fill word | |
d9edae7b | 230 | if ((fData & 0xC000) != 0xC000) { |
231 | fRawReader->AddMajorErrorLog(kWrongWordErr,"Wrong fill word"); | |
232 | AliWarning("wrong fill word!"); | |
233 | } | |
2906f4c2 | 234 | } |
235 | ||
236 | } | |
237 | ||
238 | return kFALSE; | |
239 | } | |
c42b9ed0 | 240 | Bool_t AliITSRawStreamSPD::GetHalfStavePresent(UInt_t hs) { |
241 | // Reads the half stave present status from the block attributes | |
242 | Int_t ddlID = fRawReader->GetDDLID(); | |
243 | if (ddlID==-1) { | |
d9edae7b | 244 | fRawReader->AddMinorErrorLog(kHalfStaveStatusErr,"DDL ID = -1. Cannot read block attributes."); |
245 | AliWarning("DDL ID = -1. Cannot read block attributes. Return kFALSE."); | |
c42b9ed0 | 246 | return kFALSE; |
247 | } | |
248 | else { | |
249 | if (hs>=6) { | |
d9edae7b | 250 | fRawReader->AddMinorErrorLog(kHalfStaveStatusErr,Form( "HS >= 6 requested (%d). Return kFALSE.",hs)); |
251 | AliWarning(Form("HS >= 6 requested (%d). Return kFALSE.",hs)); | |
c42b9ed0 | 252 | return kFALSE; |
253 | } | |
254 | UChar_t attr = fRawReader->GetBlockAttributes(); | |
255 | if (((attr>>hs) & 0x01) == 0x01) { // bit set means not present | |
256 | return kFALSE; | |
257 | } | |
258 | else { | |
259 | return kTRUE; | |
260 | } | |
261 | } | |
262 | } | |
263 | ||
264 | Bool_t AliITSRawStreamSPD::GetHhalfStaveScanned(UInt_t hs) const { | |
265 | if (hs<6) return (Bool_t)((fCalHeadWord[0]>>(6+hs)) & (0x00000001)); | |
266 | else return kFALSE; | |
267 | } | |
268 | Bool_t AliITSRawStreamSPD::GetHchipPresent(UInt_t hs, UInt_t chip) const { | |
269 | if (hs<6 && chip<10) return ((( fCalHeadWord[hs/3+3]>>((hs%3)*10+chip)) & 0x00000001) == 1); | |
270 | else return kFALSE; | |
271 | } | |
272 | UInt_t AliITSRawStreamSPD::GetHdacHigh(UInt_t hs) const { | |
273 | if (hs<6) return (fCalHeadWord[hs/2+7]>>(24-16*(hs%2)) & 0x000000ff); | |
274 | else return 0; | |
275 | } | |
276 | UInt_t AliITSRawStreamSPD::GetHdacLow(UInt_t hs) const { | |
277 | if (hs<6) return (fCalHeadWord[hs/2+7]>>(16-16*(hs%2)) & 0x000000ff); | |
278 | else return 0; | |
279 | } | |
280 | UInt_t AliITSRawStreamSPD::GetHTPAmp(UInt_t hs) const { | |
281 | if (hs<6) return fCalHeadWord[hs+10]; | |
282 | else return 0; | |
283 | } | |
1fd93b67 | 284 | Bool_t AliITSRawStreamSPD::GetHminTHchipPresent(UInt_t chip) const { |
285 | if (chip<10) return ((( fCalHeadWord[7]>>(16+chip)) & 0x00000001) == 1); | |
286 | else return kFALSE; | |
287 | } | |
6727e2db | 288 | |
289 | ||
290 | ||
291 | ||
292 | Int_t AliITSRawStreamSPD::GetModuleNumber(UInt_t iDDL, UInt_t iModule) { | |
293 | if (iDDL<20 && iModule<12) return fgkDDLModuleMap[iDDL][iModule]; | |
294 | else return 240; | |
295 | } | |
296 | ||
297 | ||
298 | ||
299 | ||
300 | Bool_t AliITSRawStreamSPD::OfflineToOnline(UInt_t module, UInt_t colM, UInt_t rowM, UInt_t& eq, UInt_t& hs, UInt_t& chip, UInt_t& col, UInt_t& row) { | |
301 | // converts offline coordinates to online | |
302 | eq = GetOnlineEqIdFromOffline(module); | |
303 | hs = GetOnlineHSFromOffline(module); | |
304 | chip = GetOnlineChipFromOffline(module,colM); | |
305 | col = GetOnlineColFromOffline(module,colM); | |
306 | row = GetOnlineRowFromOffline(module,rowM); | |
307 | if (eq>=20 || hs>=6 || chip>=10 || col>=32 || row>=256) return kFALSE; | |
308 | else return kTRUE; | |
309 | } | |
310 | ||
311 | ||
312 | Bool_t AliITSRawStreamSPD::OnlineToOffline(UInt_t eq, UInt_t hs, UInt_t chip, UInt_t col, UInt_t row, UInt_t& module, UInt_t& colM, UInt_t& rowM) { | |
313 | // converts online coordinates to offline | |
314 | module = GetOfflineModuleFromOnline(eq,hs,chip); | |
315 | colM = GetOfflineColFromOnline(eq,hs,chip,col); | |
316 | rowM = GetOfflineRowFromOnline(eq,hs,chip,row); | |
317 | if (module>=240 || colM>=160 || rowM>=256) return kFALSE; | |
318 | else return kTRUE; | |
319 | } | |
320 | ||
321 | ||
322 | UInt_t AliITSRawStreamSPD::GetOnlineEqIdFromOffline(UInt_t module) { | |
323 | // offline->online (eq) | |
324 | for (UInt_t eqId=0; eqId<20; eqId++) { | |
325 | for (UInt_t iModule=0; iModule<12; iModule++) { | |
326 | if (GetModuleNumber(eqId,iModule)==(Int_t)module) return eqId; | |
327 | } | |
328 | } | |
329 | return 20; // error | |
330 | } | |
331 | ||
332 | UInt_t AliITSRawStreamSPD::GetOnlineHSFromOffline(UInt_t module) { | |
333 | // offline->online (hs) | |
334 | for (UInt_t eqId=0; eqId<20; eqId++) { | |
335 | for (UInt_t iModule=0; iModule<12; iModule++) { | |
336 | if (GetModuleNumber(eqId,iModule)==(Int_t)module) return iModule/2; | |
337 | } | |
338 | } | |
339 | return 6; // error | |
340 | } | |
341 | ||
342 | UInt_t AliITSRawStreamSPD::GetOnlineChipFromOffline(UInt_t module, UInt_t colM) { | |
343 | // offline->online (chip) | |
344 | for (UInt_t eq=0; eq<20; eq++) { | |
345 | for (UInt_t iModule=0; iModule<12; iModule++) { | |
346 | if (GetModuleNumber(eq,iModule)==(Int_t)module) { | |
347 | return colM/32 + 5*(iModule%2); | |
348 | } | |
349 | } | |
350 | } | |
351 | return 10; // error | |
352 | } | |
353 | ||
354 | UInt_t AliITSRawStreamSPD::GetOnlineColFromOffline(UInt_t module, UInt_t colM) { | |
355 | // offline->online (col) | |
356 | if (colM<160) return colM%32; | |
357 | else return 32; // error | |
358 | } | |
359 | ||
360 | UInt_t AliITSRawStreamSPD::GetOnlineRowFromOffline(UInt_t module, UInt_t rowM) { | |
361 | // offline->online (row) | |
362 | if (rowM<256) return rowM; | |
363 | else return 256; // error | |
364 | } | |
365 | ||
366 | ||
367 | ||
368 | ||
369 | ||
370 | UInt_t AliITSRawStreamSPD::GetOfflineModuleFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip) { | |
371 | // online->offline (module) | |
372 | if (eqId<20 && hs<6 && chip<10) return fgkDDLModuleMap[eqId][hs*2+chip/5]; | |
373 | else return 240; | |
374 | } | |
375 | ||
376 | UInt_t AliITSRawStreamSPD::GetOfflineColFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip, UInt_t col) { | |
377 | // online->offline (col) | |
378 | if (eqId>=20 || hs>=6 || chip>=10 || col>=32) return 160; // error | |
379 | UInt_t offset = 32 * (chip % 5); | |
380 | return col+offset; | |
381 | } | |
382 | ||
383 | UInt_t AliITSRawStreamSPD::GetOfflineRowFromOnline(UInt_t eqId, UInt_t hs, UInt_t chip, UInt_t row) { | |
384 | // online->offline (row) | |
385 | if (eqId>=20 || hs>=6 || chip>=10 || row>=256) return 256; // error | |
386 | return row; | |
387 | } |