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e802be3e | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
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 | **************************************************************************/ | |
e802be3e | 15 | /* $Id$ */ |
c2fc1258 | 16 | /** @file AliFMDRawReader.cxx |
17 | @author Christian Holm Christensen <cholm@nbi.dk> | |
18 | @date Mon Mar 27 12:45:23 2006 | |
19 | @brief Class to read raw data | |
02a27b50 | 20 | @ingroup FMD_rec |
c2fc1258 | 21 | */ |
e802be3e | 22 | //____________________________________________________________________ |
23 | // | |
24 | // Class to read ADC values from a AliRawReader object. | |
25 | // | |
7684b53c | 26 | // This class uses the AliFMDRawStreamer class to read the ALTRO |
27 | // formatted data. | |
28 | // | |
29 | // +-------+ | |
30 | // | TTask | | |
31 | // +-------+ | |
32 | // ^ | |
33 | // | | |
34 | // +-----------------+ <<references>> +--------------+ | |
35 | // | AliFMDRawReader |<>----------------| AliRawReader | | |
36 | // +-----------------+ +--------------+ | |
37 | // | ^ | |
38 | // | <<uses>> | | |
39 | // V | | |
40 | // +-----------------+ <<uses>> | | |
41 | // | AliFMDRawStream |------------------------+ | |
42 | // +-----------------+ | |
43 | // | | |
44 | // V | |
45 | // +----------------+ | |
46 | // | AliAltroStream | | |
47 | // +----------------+ | |
48 | // | |
f95a63c4 | 49 | // #include <AliLog.h> // ALILOG_H |
50 | #include "AliFMDDebug.h" // Better debug macros | |
1a1fdef7 | 51 | #include "AliFMDParameters.h" // ALIFMDPARAMETERS_H |
e802be3e | 52 | #include "AliFMDDigit.h" // ALIFMDDIGIT_H |
faf80567 | 53 | #include "AliFMDSDigit.h" // ALIFMDSDIGIT_H |
e802be3e | 54 | #include "AliFMDRawStream.h" // ALIFMDRAWSTREAM_H |
3effc6e7 | 55 | #include "AliRawReader.h" // ALIRAWREADER_H |
e802be3e | 56 | #include "AliFMDRawReader.h" // ALIFMDRAWREADER_H |
3effc6e7 | 57 | #include "AliFMDDebug.h" |
58 | #include "AliFMDCalibSampleRate.h" | |
59 | #include "AliFMDCalibStripRange.h" | |
b995fc28 | 60 | #include "AliFMDAltroMapping.h" |
c2fc1258 | 61 | // #include "AliFMDAltroIO.h" // ALIFMDALTROIO_H |
3effc6e7 | 62 | #include <TArrayS.h> // ROOT_TArrayS |
1a1fdef7 | 63 | #include <TTree.h> // ROOT_TTree |
64 | #include <TClonesArray.h> // ROOT_TClonesArray | |
3effc6e7 | 65 | #include <TString.h> |
7af3df7f | 66 | #include <iostream> |
67 | #include <climits> | |
02a27b50 | 68 | // #include <iomanip> |
e802be3e | 69 | |
70 | //____________________________________________________________________ | |
925e6570 | 71 | ClassImp(AliFMDRawReader) |
1a1fdef7 | 72 | #if 0 |
73 | ; // This is here to keep Emacs for indenting the next line | |
74 | #endif | |
e802be3e | 75 | |
76 | //____________________________________________________________________ | |
1a1fdef7 | 77 | AliFMDRawReader::AliFMDRawReader(AliRawReader* reader, TTree* tree) |
e802be3e | 78 | : TTask("FMDRawReader", "Reader of Raw ADC values from the FMD"), |
1a1fdef7 | 79 | fTree(tree), |
80 | fReader(reader), | |
faf80567 | 81 | // fSampleRate(1), |
3effc6e7 | 82 | fData(0), |
f38b1653 | 83 | fNbytes(0), |
84 | fSeen() | |
e802be3e | 85 | { |
56b1929b | 86 | // Default CTOR |
faf80567 | 87 | for (Int_t i = 0; i < 3; i++) { |
88 | fSampleRate[i] = 0; | |
89 | fZeroSuppress[i] = kFALSE; | |
90 | fNoiseFactor[i] = 1; | |
91 | } | |
e802be3e | 92 | } |
93 | ||
c2fc1258 | 94 | //____________________________________________________________________ |
95 | void | |
96 | AliFMDRawReader::Exec(Option_t*) | |
97 | { | |
02a27b50 | 98 | // Read the data |
c2fc1258 | 99 | TClonesArray* array = new TClonesArray("AliFMDDigit"); |
100 | if (!fTree) { | |
101 | AliError("No tree"); | |
102 | return; | |
103 | } | |
104 | fTree->Branch("FMD", &array); | |
3effc6e7 | 105 | |
106 | ||
c2fc1258 | 107 | ReadAdcs(array); |
108 | Int_t nWrite = fTree->Fill(); | |
f95a63c4 | 109 | AliFMDDebug(1, ("Got a grand total of %d digits, wrote %d bytes to tree", |
bf37515f | 110 | array->GetEntriesFast(), nWrite)); |
c2fc1258 | 111 | } |
112 | ||
b5014544 | 113 | //____________________________________________________________________ |
114 | Bool_t | |
faf80567 | 115 | AliFMDRawReader::NextSample(UShort_t& det, Char_t& rng, UShort_t& sec, |
116 | UShort_t& str, UShort_t& sam, UShort_t& rat, | |
117 | Short_t& adc, Bool_t& zs, UShort_t& fac) | |
b5014544 | 118 | { |
119 | // Scan current event for next signal. It returns kFALSE when | |
120 | // there's no more data in the event. | |
121 | static AliAltroRawStream stream(fReader); // = 0; | |
122 | static AliFMDParameters* pars = 0; | |
123 | static AliFMDAltroMapping* map = 0; | |
124 | static Int_t ddl = -1; | |
faf80567 | 125 | // static UInt_t rate = 0; |
b5014544 | 126 | static UShort_t tdet = 0; |
127 | static Char_t trng = '\0'; | |
128 | static UShort_t tsec = 0; | |
129 | static Short_t tstr = 0; | |
130 | static Short_t bstr = -1; | |
faf80567 | 131 | static Short_t tsam = -1; |
132 | static UInt_t trate = 0; | |
b5014544 | 133 | static Int_t hwaddr = -1; |
134 | static UShort_t stripMin = 0; | |
135 | static UShort_t stripMax = 0; // 127; | |
136 | static UShort_t preSamp = 0; // 14+5; | |
137 | if (stream.GetDDLNumber() < 0) { | |
138 | fReader->Select("FMD"); | |
139 | ||
140 | // Reset "seen" array | |
141 | // const UShort_t kUShortMax = (1 << 16) - 1; | |
142 | // fSeen.Reset(kUShortMax); | |
143 | ||
144 | pars = AliFMDParameters::Instance(); | |
145 | map = pars->GetAltroMap(); | |
146 | // stream = new AliAltroRawStream(fReader); | |
147 | ||
148 | AliFMDDebug(5, ("Setting %d word headers", | |
149 | pars->HasCompleteHeader() ? 8 : 7)); | |
150 | stream.SetShortDataHeader(!pars->HasCompleteHeader()); | |
b5014544 | 151 | |
152 | // Reset variables | |
153 | ddl = -1; | |
faf80567 | 154 | trate = 0; |
b5014544 | 155 | tdet = 0; |
156 | trng = '\0'; | |
157 | tsec = 0; | |
158 | tstr = 0; | |
faf80567 | 159 | tsam = -1; |
b5014544 | 160 | hwaddr = -1; |
161 | } | |
162 | do { | |
163 | Bool_t next = stream.Next(); | |
164 | if (!next) { | |
165 | // if (stream) delete stream; | |
166 | // stream = 0; | |
167 | return kFALSE; | |
168 | } | |
169 | Int_t thisDDL = stream.GetDDLNumber(); | |
170 | AliFMDDebug(10, ("RCU @ DDL %d", thisDDL)); | |
171 | if (thisDDL != ddl) { | |
faf80567 | 172 | ddl = thisDDL; |
173 | fZeroSuppress[ddl] = zs = stream.GetZeroSupp(); | |
174 | fNoiseFactor[ddl] = fac = stream.GetNPostsamples(); | |
175 | fSampleRate[ddl] = trate = 0; // stream.GetNPresamples(); | |
176 | tdet = map->DDL2Detector(ddl); | |
b5014544 | 177 | AliFMDDebug(10, ("RCU @ DDL %d zero suppression: %s",ddl, zs?"yes":"no")); |
178 | AliFMDDebug(10, ("RCU @ DDL %d noise factor: %d", ddl,fac)); | |
faf80567 | 179 | AliFMDDebug(10, ("RCU @ DDL %d sample rate: %d", ddl, trate)); |
b5014544 | 180 | } |
181 | Int_t thisAddr = stream.GetHWAddress(); | |
182 | AliFMDDebug(10, ("RCU @ DDL %d, Address 0x%03x", ddl, thisAddr)); | |
183 | if (thisAddr != hwaddr) { | |
184 | hwaddr = thisAddr; | |
185 | UShort_t board, chip, channel; | |
186 | map->ChannelAddress(hwaddr, board, chip, channel); | |
187 | map->Channel2StripBase(board, chip, channel, trng, tsec, bstr); | |
188 | AliFMDDebug(10, ("0x%04x/0x%03x maps to FMD%d%c[%2d]-%3d", | |
189 | ddl, hwaddr, tdet, trng, tsec, bstr)); | |
190 | ||
191 | stripMin = pars->GetMinStrip(tdet, trng, tsec, bstr); | |
192 | stripMax = pars->GetMaxStrip(tdet, trng, tsec, bstr); | |
193 | preSamp = pars->GetPreSamples(tdet, trng, tsec, bstr); | |
faf80567 | 194 | if (trate == 0) |
195 | fSampleRate[ddl] = trate = pars->GetSampleRate(tdet, trng, tsec, bstr); | |
b5014544 | 196 | AliFMDDebug(10, ("RCU @ DDL %d, Address 0x%03x sample rate: %d", |
faf80567 | 197 | ddl, hwaddr, trate)); |
b5014544 | 198 | |
199 | Int_t nChAddrMismatch = stream.GetNChAddrMismatch(); | |
200 | Int_t nChLenMismatch = stream.GetNChLengthMismatch(); | |
201 | if (nChAddrMismatch != 0) | |
202 | AliWarning(Form("Got %d channels with address mis-matches for 0x%03x", | |
203 | nChAddrMismatch, hwaddr)); | |
204 | if (nChLenMismatch != 0) | |
205 | AliWarning(Form("Got %d channels with length mis-matches for 0x%03x", | |
206 | nChLenMismatch, hwaddr)); | |
207 | } | |
208 | // Get the signal | |
209 | adc = stream.GetSignal(); | |
210 | ||
211 | // Sanity check - if the total bunch length is less than 1, then | |
212 | // read until we get the next bunch. | |
213 | Int_t b = stream.GetTimeLength(); | |
214 | if (b < 1) { | |
215 | AliWarning(Form("Bunch length %0d is less than 0 for " | |
216 | "DDL %4d address 0x%03x", b, ddl, hwaddr)); | |
217 | continue; | |
218 | } | |
219 | // Sanity check - if the current time is less than 0, then read | |
220 | // until we get a new bunch. | |
221 | Int_t t = stream.GetTime(); | |
222 | if (t < 0) { | |
223 | AliWarning(Form("Time %0d is less than 0 for DDL %4d address 0x%03x", | |
224 | t, ddl, hwaddr)); | |
225 | continue; | |
226 | } | |
227 | ||
228 | Short_t strOff = 0; | |
229 | UShort_t samp = 0; | |
faf80567 | 230 | map->Timebin2Strip(tsec, t, preSamp, trate, strOff, samp); |
b5014544 | 231 | tstr = bstr + strOff; |
faf80567 | 232 | tsam = samp; |
b5014544 | 233 | AliFMDDebug(20, ("0x%04x/0x%03x/%04d maps to FMD%d%c[%2d,%3d]-%d", |
234 | ddl, hwaddr, t, tdet, trng, tsec, tstr, samp)); | |
235 | ||
b5014544 | 236 | // Local strip number to channel |
237 | Short_t l = (tstr > bstr ? tstr - bstr : bstr - tstr); | |
238 | AliFMDDebug(10, ("Checking if strip %d in range [%d,%d]", | |
239 | l, stripMin, stripMax)); | |
240 | if (l < stripMin || l > stripMax) { | |
241 | AliFMDDebug(5, ("VA channel %3d (t: %4d) of DDL %4d address 0x%03x " | |
242 | "is out of range (%3d->%3d)", | |
243 | l, t, ddl, hwaddr, stripMin, stripMax)); | |
244 | continue; | |
245 | } | |
246 | ||
247 | ||
248 | det = tdet; | |
249 | rng = trng; | |
250 | sec = tsec; | |
251 | str = tstr; | |
faf80567 | 252 | sam = tsam; |
253 | rat = trate; | |
b5014544 | 254 | // adc = stream.GetSignal(); |
255 | ||
256 | break; | |
257 | } while (true); | |
258 | return kTRUE; | |
259 | } | |
260 | ||
faf80567 | 261 | //____________________________________________________________________ |
262 | Bool_t | |
263 | AliFMDRawReader::NextSignal(UShort_t& det, Char_t& rng, | |
264 | UShort_t& sec, UShort_t& str, | |
265 | Short_t& adc, Bool_t& zs, | |
266 | UShort_t& fac) | |
267 | { | |
268 | ||
269 | do { | |
270 | UShort_t samp, rate; | |
271 | if (!NextSample(det, rng, sec, str, samp, rate, adc, zs, fac)) | |
272 | return kFALSE; | |
273 | ||
274 | Bool_t take = kFALSE; | |
275 | switch (rate) { | |
276 | case 1: take = kTRUE; break; | |
277 | case 2: if (samp == 1) take = kTRUE; break; | |
278 | case 3: if (samp == 1) take = kTRUE; break; | |
279 | case 4: if (samp == 2) take = kTRUE; break; | |
280 | default: if (samp == rate-2) take = kTRUE; break; | |
281 | } | |
282 | if (!take) continue; | |
283 | break; | |
284 | } while (true); | |
285 | return kTRUE; | |
286 | } | |
287 | ||
288 | //____________________________________________________________________ | |
289 | Bool_t | |
290 | AliFMDRawReader::SelectSample(UShort_t samp, UShort_t rate) | |
291 | { | |
292 | Bool_t take = kFALSE; | |
293 | switch (rate) { | |
294 | case 1: take = kTRUE; break; | |
295 | case 2: if (samp == 1) take = kTRUE; break; | |
296 | case 3: if (samp == 1) take = kTRUE; break; | |
297 | case 4: if (samp == 2) take = kTRUE; break; | |
298 | default: if (samp == rate-2) take = kTRUE; break; | |
299 | } | |
300 | ||
301 | return take; | |
302 | } | |
303 | ||
c2fc1258 | 304 | #if 1 |
305 | //____________________________________________________________________ | |
306 | Bool_t | |
307 | AliFMDRawReader::ReadAdcs(TClonesArray* array) | |
308 | { | |
fd8d0298 | 309 | |
310 | fReader->Select("FMD"); | |
c2fc1258 | 311 | // Read raw data into the digits array, using AliFMDAltroReader. |
312 | if (!array) { | |
313 | AliError("No TClonesArray passed"); | |
314 | return kFALSE; | |
315 | } | |
f38b1653 | 316 | const UShort_t kUShortMax = (1 << 16) - 1; |
317 | fSeen.Reset(kUShortMax); | |
318 | ||
d56f2b53 | 319 | // if (!fReader->ReadHeader()) { |
320 | // AliError("Couldn't read header"); | |
321 | // return kFALSE; | |
322 | // } | |
c2fc1258 | 323 | // Get sample rate |
b995fc28 | 324 | AliFMDParameters* pars = AliFMDParameters::Instance(); |
325 | AliFMDAltroMapping* map = pars->GetAltroMap(); | |
326 | AliFMDRawStream input(fReader); | |
9a090ccd | 327 | AliFMDDebug(5, ("Setting 7 word headers")); |
625d7886 | 328 | input.SetShortDataHeader(!pars->HasCompleteHeader()); |
c2fc1258 | 329 | |
330 | UShort_t stripMin = 0; | |
f38b1653 | 331 | UShort_t stripMax = 0; // 127; |
332 | UShort_t preSamp = 0; // 14+5; | |
5cf05dbb | 333 | |
334 | Int_t oldddl = -1; | |
c2fc1258 | 335 | UInt_t ddl = 0; |
faf80567 | 336 | // UInt_t rate = 0; |
c2fc1258 | 337 | UInt_t last = 0; |
338 | UInt_t hwaddr = 0; | |
339 | // Data array is approx twice the size needed. | |
340 | UShort_t data[2048]; | |
5cf05dbb | 341 | for (size_t i = 0; i < 2048; i++) data[i] = 0; // kUShortMax; |
2b893216 | 342 | |
625d7886 | 343 | Bool_t isGood = kTRUE; |
344 | while (isGood) { | |
345 | isGood = input.ReadChannel(ddl, hwaddr, last, data); | |
7868d9e2 | 346 | // if (!isGood) break; |
7af3df7f | 347 | if (ddl >= UINT_MAX /* UInt_t(-1) */) { |
fd8d0298 | 348 | AliFMDDebug(5, ("At end of event with %d digits", |
349 | array->GetEntriesFast())); | |
350 | break; | |
351 | } | |
7af3df7f | 352 | if (UInt_t(oldddl) != ddl) { |
5cf05dbb | 353 | fZeroSuppress[ddl] = input.GetZeroSupp(); |
354 | AliFMDDebug(20, ("RCU @ DDL %d zero suppression: %s", | |
355 | ddl, (fZeroSuppress[ddl] ? "yes" : "no"))); | |
2b893216 | 356 | |
5cf05dbb | 357 | // WARNING: We store the noise factor in the 2nd baseline |
358 | // filters excluded post samples, since we'll never use that | |
359 | // mode. | |
360 | fNoiseFactor[ddl] = input.GetNPostsamples(); | |
361 | AliFMDDebug(20, ("RCU @ DDL %d noise factor: %d", ddl,fNoiseFactor[ddl])); | |
362 | ||
faf80567 | 363 | // WARNING: We store the noise factor in the 2nd baseline |
364 | // filters excluded post samples, since we'll never use that | |
365 | // mode. | |
366 | fSampleRate[ddl] = input.GetNPretriggerSamples(); | |
367 | AliFMDDebug(20, ("RCU @ DDL %d Sample rate: %d", ddl,fNoiseFactor[ddl])); | |
368 | ||
5cf05dbb | 369 | Int_t nChAddrMismatch = input.GetNChAddrMismatch(); |
370 | Int_t nChLenMismatch = input.GetNChLengthMismatch(); | |
371 | if (nChAddrMismatch != 0) | |
372 | AliWarning(Form("Got %d channels with address mis-matches for 0x%03x", | |
373 | nChAddrMismatch, hwaddr)); | |
374 | if (nChLenMismatch != 0) | |
375 | AliWarning(Form("Got %d channels with length mis-matches for 0x%03x", | |
376 | nChLenMismatch, hwaddr)); | |
377 | oldddl = ddl; | |
378 | } | |
379 | // AliFMDDebug(5, ("Read channel 0x%x of size %d", hwaddr, last)); | |
f38b1653 | 380 | |
b995fc28 | 381 | UShort_t det, sec, samp, board, chip, channel; |
1f12303f | 382 | Short_t strbase; |
383 | Char_t ring; | |
fd8d0298 | 384 | |
b995fc28 | 385 | |
386 | if (map->DDL2Detector(ddl) < 0) break; | |
387 | det = map->DDL2Detector(ddl); | |
388 | map->ChannelAddress(hwaddr, board, chip, channel); | |
389 | if (!map->Channel2StripBase(board, chip, channel, ring, sec, strbase)) { | |
1f12303f | 390 | AliError(Form("Failed to get detector id from DDL %d, " |
391 | "hardware address 0x%03x", ddl, hwaddr)); | |
392 | continue; | |
393 | } | |
faf80567 | 394 | AliFMDDebug(5, ("Board: 0x%02x, Altro: 0x%x, Channel: 0x%x, Length: %4d", |
7af3df7f | 395 | board, chip, channel, last)); |
1f12303f | 396 | |
397 | stripMin = pars->GetMinStrip(det, ring, sec, strbase); | |
398 | stripMax = pars->GetMaxStrip(det, ring, sec, strbase); | |
399 | preSamp = pars->GetPreSamples(det, ring, sec, strbase); | |
faf80567 | 400 | if (fSampleRate[ddl] == 0) |
401 | fSampleRate[ddl] = pars->GetSampleRate(det, ring, sec, strbase); | |
c2fc1258 | 402 | |
403 | // Loop over the `timebins', and make the digits | |
404 | for (size_t i = 0; i < last; i++) { | |
f38b1653 | 405 | // if (i < preSamp) continue; |
5cf05dbb | 406 | AliFMDDebug(15, ("0x%04x/0x%03x/%04d %4d", ddl, hwaddr, i, data[i])); |
f38b1653 | 407 | |
b995fc28 | 408 | Short_t stroff = 0; |
faf80567 | 409 | map->Timebin2Strip(sec, i, preSamp, fSampleRate[ddl], stroff, samp); |
b995fc28 | 410 | Short_t str = strbase + stroff; |
1f12303f | 411 | |
412 | AliFMDDebug(10, ("0x%04x/0x%03x/%04d maps to FMD%d%c[%2d,%3d]-%d", | |
413 | ddl, hwaddr, i, det, ring, sec, str, samp)); | |
f38b1653 | 414 | if (str < 0) { |
415 | AliFMDDebug(8, ("Got presamples at timebin %d", i)); | |
5cf05dbb | 416 | data[i] = 0; // Reset cache |
f38b1653 | 417 | continue; |
418 | } | |
419 | ||
faf80567 | 420 | Short_t lstrip = (i - preSamp) / fSampleRate[ddl] + stripMin; |
f38b1653 | 421 | |
422 | AliFMDDebug(15, ("Checking if strip %d (%d) in range [%d,%d]", | |
423 | lstrip, str, stripMin, stripMax)); | |
424 | if (lstrip < stripMin || lstrip > stripMax) { | |
425 | AliFMDDebug(5, ("FMD%d%c[%02d,%03d]-%d out of range (%3d->%3d)", | |
426 | det, ring, sec, samp, str, stripMin, stripMax)); | |
5cf05dbb | 427 | data[i] = 0; // Reset cache |
f38b1653 | 428 | continue; |
429 | } | |
faf80567 | 430 | // Possibly do pedestal subtraction of signal |
431 | Int_t counts = data[i]; | |
432 | ||
f38b1653 | 433 | |
434 | // Check the cache of indicies | |
435 | Int_t idx = fSeen(det, ring, sec, str); | |
436 | if (idx == kUShortMax) { | |
437 | // We haven't seen this strip yet. | |
438 | fSeen(det, ring, sec, str) = idx = array->GetEntriesFast(); | |
439 | AliFMDDebug(7,("making digit for FMD%d%c[%2d,%3d]-%d from timebin %4d", | |
440 | det, ring, sec, str, samp, i)); | |
441 | new ((*array)[idx]) AliFMDDigit(det, ring, sec, str); | |
442 | } | |
faf80567 | 443 | AliFMDBaseDigit* digit = static_cast<AliFMDBaseDigit*>(array->At(idx)); |
f38b1653 | 444 | AliFMDDebug(10, |
faf80567 | 445 | ("Setting FMD%d%c[%2d,%3d]-%d from timebin %4d=%4d (%4d)", |
446 | det, ring, sec, str, samp, i, counts, data[i])); | |
447 | digit->SetCount(samp, counts); | |
5cf05dbb | 448 | data[i] = 0; // Reset cache |
c2fc1258 | 449 | } |
450 | } | |
451 | return kTRUE; | |
452 | } | |
453 | #else | |
1e8f773e | 454 | //____________________________________________________________________ |
d760ea03 | 455 | Bool_t |
456 | AliFMDRawReader::ReadAdcs(TClonesArray* array) | |
1e8f773e | 457 | { |
458 | // Read raw data into the digits array, using AliFMDAltroReader. | |
d760ea03 | 459 | if (!array) { |
460 | AliError("No TClonesArray passed"); | |
461 | return kFALSE; | |
462 | } | |
d56f2b53 | 463 | // if (!fReader->ReadHeader()) { |
464 | // AliError("Couldn't read header"); | |
465 | // return kFALSE; | |
466 | // } | |
1e8f773e | 467 | // Get sample rate |
468 | AliFMDParameters* pars = AliFMDParameters::Instance(); | |
469 | ||
470 | // Select FMD DDL's | |
362c9d61 | 471 | fReader->Select("FMD"); |
1e8f773e | 472 | |
473 | UShort_t stripMin = 0; | |
474 | UShort_t stripMax = 127; | |
475 | UShort_t preSamp = 0; | |
476 | ||
477 | do { | |
478 | UChar_t* cdata; | |
479 | if (!fReader->ReadNextData(cdata)) break; | |
480 | size_t nchar = fReader->GetDataSize(); | |
362c9d61 | 481 | UShort_t ddl = fReader->GetDDLID(); |
c2fc1258 | 482 | UShort_t rate = 0; |
f95a63c4 | 483 | AliFMDDebug(1, ("Reading %d bytes (%d 10bit words) from %d", |
1e8f773e | 484 | nchar, nchar * 8 / 10, ddl)); |
485 | // Make a stream to read from | |
486 | std::string str((char*)(cdata), nchar); | |
487 | std::istringstream s(str); | |
488 | // Prep the reader class. | |
489 | AliFMDAltroReader r(s); | |
490 | // Data array is approx twice the size needed. | |
491 | UShort_t data[2048], hwaddr, last; | |
492 | while (r.ReadChannel(hwaddr, last, data) > 0) { | |
f95a63c4 | 493 | AliFMDDebug(5, ("Read channel 0x%x of size %d", hwaddr, last)); |
1e8f773e | 494 | UShort_t det, sec, str; |
495 | Char_t ring; | |
496 | if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) { | |
497 | AliError(Form("Failed to detector id from DDL %d " | |
498 | "and hardware address 0x%x", ddl, hwaddr)); | |
499 | continue; | |
500 | } | |
c2fc1258 | 501 | rate = pars->GetSampleRate(det, ring, sec, str); |
502 | stripMin = pars->GetMinStrip(det, ring, sec, str); | |
503 | stripMax = pars->GetMaxStrip(det, ring, sec, str); | |
f95a63c4 | 504 | AliFMDDebug(5, ("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]", |
1e8f773e | 505 | ddl, hwaddr, det, ring, sec, str)); |
506 | ||
507 | // Loop over the `timebins', and make the digits | |
508 | for (size_t i = 0; i < last; i++) { | |
509 | if (i < preSamp) continue; | |
d760ea03 | 510 | Int_t n = array->GetEntries(); |
1e8f773e | 511 | UShort_t curStr = str + stripMin + i / rate; |
512 | if ((curStr-str) > stripMax) { | |
513 | AliError(Form("Current strip is %d but DB says max is %d", | |
514 | curStr, stripMax)); | |
515 | } | |
f95a63c4 | 516 | AliFMDDebug(5, ("making digit for FMD%d%c[%2d,%3d] from sample %4d", |
1e8f773e | 517 | det, ring, sec, curStr, i)); |
518 | new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i], | |
519 | (rate >= 2 ? data[i+1] : 0), | |
520 | (rate >= 3 ? data[i+2] : 0)); | |
521 | if (rate >= 2) i++; | |
522 | if (rate >= 3) i++; | |
523 | } | |
524 | if (r.IsBof()) break; | |
525 | } | |
526 | } while (true); | |
d760ea03 | 527 | return kTRUE; |
528 | } | |
529 | ||
530 | ||
531 | ||
1e8f773e | 532 | // This is the old method, for comparison. It's really ugly, and far |
533 | // too convoluted. | |
e802be3e | 534 | //____________________________________________________________________ |
535 | void | |
536 | AliFMDRawReader::Exec(Option_t*) | |
537 | { | |
56b1929b | 538 | // Read raw data into the digits array |
d56f2b53 | 539 | // if (!fReader->ReadHeader()) { |
540 | // Error("ReadAdcs", "Couldn't read header"); | |
541 | // return; | |
542 | // } | |
e802be3e | 543 | |
1a1fdef7 | 544 | Int_t n = 0; |
545 | TClonesArray* array = new TClonesArray("AliFMDDigit"); | |
546 | fTree->Branch("FMD", &array); | |
547 | ||
8f6ee336 | 548 | // Get sample rate |
549 | AliFMDParameters* pars = AliFMDParameters::Instance(); | |
362c9d61 | 550 | fSampleRate = pars->GetSampleRate(0); |
8f6ee336 | 551 | |
e802be3e | 552 | // Use AliAltroRawStream to read the ALTRO format. No need to |
553 | // reinvent the wheel :-) | |
554 | AliFMDRawStream input(fReader, fSampleRate); | |
555 | // Select FMD DDL's | |
362c9d61 | 556 | fReader->Select("FMD"); |
e802be3e | 557 | |
558 | Int_t oldDDL = -1; | |
559 | Int_t count = 0; | |
560 | UShort_t detector = 1; // Must be one here | |
561 | UShort_t oldDetector = 0; | |
562 | Bool_t next = kTRUE; | |
563 | ||
564 | // local Cache | |
565 | TArrayI counts(10); | |
566 | counts.Reset(-1); | |
567 | ||
568 | // Loop over data in file | |
569 | while (next) { | |
570 | next = input.Next(); | |
571 | ||
572 | count++; | |
573 | Int_t ddl = fReader->GetDDLID(); | |
f95a63c4 | 574 | AliFMDDebug(10, ("Current DDL is %d", ddl)); |
e802be3e | 575 | if (ddl != oldDDL || input.IsNewStrip() || !next) { |
576 | // Make a new digit, if we have some data (oldDetector == 0, | |
577 | // means that we haven't really read anything yet - that is, | |
578 | // it's the first time we get here). | |
579 | if (oldDetector > 0) { | |
580 | // Got a new strip. | |
f95a63c4 | 581 | AliFMDDebug(10, ("Add a new strip: FMD%d%c[%2d,%3d] " |
e802be3e | 582 | "(current: FMD%d%c[%2d,%3d])", |
583 | oldDetector, input.PrevRing(), | |
584 | input.PrevSector() , input.PrevStrip(), | |
585 | detector , input.Ring(), input.Sector(), | |
586 | input.Strip())); | |
1a1fdef7 | 587 | new ((*array)[n]) AliFMDDigit(oldDetector, |
588 | input.PrevRing(), | |
589 | input.PrevSector(), | |
590 | input.PrevStrip(), | |
591 | counts[0], counts[1], counts[2]); | |
592 | n++; | |
e802be3e | 593 | #if 0 |
594 | AliFMDDigit* digit = | |
595 | static_cast<AliFMDDigit*>(fFMD->Digits()-> | |
596 | UncheckedAt(fFMD->GetNdigits()-1)); | |
597 | #endif | |
598 | } | |
599 | ||
600 | if (!next) { | |
f95a63c4 | 601 | AliFMDDebug(10, ("Read %d channels for FMD%d", |
e802be3e | 602 | count + 1, detector)); |
603 | break; | |
604 | } | |
605 | ||
606 | ||
607 | // If we got a new DDL, it means we have a new detector. | |
608 | if (ddl != oldDDL) { | |
609 | if (detector != 0) | |
f95a63c4 | 610 | AliFMDDebug(10, ("Read %d channels for FMD%d", count + 1, detector)); |
e802be3e | 611 | // Reset counts, and update the DDL cache |
612 | count = 0; | |
613 | oldDDL = ddl; | |
614 | // Check that we're processing a FMD detector | |
615 | Int_t detId = fReader->GetDetectorID(); | |
362c9d61 | 616 | if (detId != (AliDAQ::DetectorID("FMD"))) { |
1e8f773e | 617 | AliError(Form("Detector ID %d != %d", |
362c9d61 | 618 | detId, (AliDAQ::DetectorID("FMD")))); |
e802be3e | 619 | break; |
620 | } | |
621 | // Figure out what detector we're deling with | |
622 | oldDetector = detector; | |
623 | switch (ddl) { | |
624 | case 0: detector = 1; break; | |
625 | case 1: detector = 2; break; | |
626 | case 2: detector = 3; break; | |
627 | default: | |
1e8f773e | 628 | AliError(Form("Unknown DDL 0x%x for FMD", ddl)); |
e802be3e | 629 | return; |
630 | } | |
f95a63c4 | 631 | AliFMDDebug(10, ("Reading ADCs for 0x%x - That is FMD%d", |
e802be3e | 632 | fReader->GetEquipmentId(), detector)); |
633 | } | |
634 | counts.Reset(-1); | |
635 | } | |
636 | ||
637 | counts[input.Sample()] = input.Count(); | |
638 | ||
f95a63c4 | 639 | AliFMDDebug(10, ("ADC of FMD%d%c[%2d,%3d] += %d", |
e802be3e | 640 | detector, input.Ring(), input.Sector(), |
641 | input.Strip(), input.Count())); | |
642 | oldDetector = detector; | |
643 | } | |
1a1fdef7 | 644 | fTree->Fill(); |
e802be3e | 645 | return; |
646 | ||
647 | } | |
1e8f773e | 648 | #endif |
3effc6e7 | 649 | //____________________________________________________________________ |
650 | Bool_t AliFMDRawReader::ReadSODevent(AliFMDCalibSampleRate* sampleRate, | |
651 | AliFMDCalibStripRange* stripRange, | |
652 | TArrayS &pulseSize, | |
f38b1653 | 653 | TArrayS &pulseLength) |
654 | { | |
3effc6e7 | 655 | |
656 | AliFMDDebug(0, ("Start of SOD/EOD")); | |
657 | ||
658 | UInt_t shift_clk[18]; | |
659 | UInt_t sample_clk[18]; | |
660 | UInt_t strip_low[18]; | |
661 | UInt_t strip_high[18]; | |
662 | UInt_t pulse_size[18]; | |
663 | UInt_t pulse_length[18]; | |
b995fc28 | 664 | AliFMDParameters* param = AliFMDParameters::Instance(); |
665 | AliFMDAltroMapping* map = param->GetAltroMap(); | |
3effc6e7 | 666 | |
667 | while(fReader->ReadNextData(fData)) { | |
668 | ||
669 | Int_t ddl = fReader->GetDDLID(); | |
670 | Int_t detID = fReader->GetDetectorID(); | |
671 | AliFMDDebug(0, (" From reader: DDL number is %d , det ID is %d",ddl,detID)); | |
672 | ||
673 | fNbytes = fReader->GetDataSize(); | |
674 | ||
675 | ULong_t nWords = GetNwords(); | |
676 | UInt_t trailerLast = Get32bitWord(nWords); | |
677 | AliFMDDebug(20, (" # Bytes: %d, # Words: %d, Last word: 0x%08x", | |
f38b1653 | 678 | fNbytes, nWords, trailerLast)); |
3effc6e7 | 679 | if ((trailerLast & 0xFFFF0000) != 0xAAAA0000) { |
680 | AliWarning(Form("Last word 0x%08x does not match RCU II trailer", | |
681 | trailerLast)); | |
682 | return kFALSE; | |
683 | } | |
684 | ||
f38b1653 | 685 | // 7 last bits is size of trailer |
686 | ULong_t nTrailerWords = trailerLast & 0x7f; | |
3effc6e7 | 687 | ULong_t nPayloadWords = Get32bitWord(nWords - nTrailerWords+1); |
f38b1653 | 688 | |
3effc6e7 | 689 | AliFMDDebug(20, (" # trailer words: %d, # payload words: %d", |
f38b1653 | 690 | nTrailerWords, nPayloadWords)); |
3effc6e7 | 691 | |
692 | ||
693 | for (ULong_t i = 1; i <= nPayloadWords ; i++) { | |
694 | UInt_t payloadWord = Get32bitWord(i); | |
76d06ffa | 695 | |
f38b1653 | 696 | // address is only 24 bit |
697 | UInt_t address = (0xffffff & payloadWord); | |
698 | UInt_t type = ((address >> 21) & 0xf); | |
699 | UInt_t error = ((address >> 20) & 0x1); | |
700 | UInt_t bcast = ((address >> 18) & 0x1); | |
701 | UInt_t bc_not_altro = ((address >> 17) & 0x1); | |
702 | UInt_t board = ((address >> 12) & 0x1f); | |
703 | UInt_t instruction = 0; | |
704 | UInt_t chip = 0; | |
705 | UInt_t channel = 0; | |
706 | if(bc_not_altro) | |
707 | instruction = address & 0xfff; | |
708 | else { | |
709 | chip = ((address >> 9) & 0x7); | |
710 | channel = ((address >> 5) & 0x5); | |
711 | instruction = (address & 0x1f); | |
712 | } | |
76d06ffa | 713 | |
f38b1653 | 714 | Bool_t readDataWord = kFALSE; |
715 | switch(type) { | |
716 | case 0x0: // Fec read | |
717 | readDataWord = kTRUE; | |
718 | case 0x1: // Fec cmd | |
719 | case 0x2: // Fec write | |
720 | i++; | |
721 | break; | |
722 | case 0x4: // Loop | |
723 | case 0x5: // Wait | |
724 | break; | |
725 | case 0x6: // End sequence | |
726 | case 0x7: // End Mem | |
727 | i = nPayloadWords + 1; | |
728 | break; | |
729 | default: | |
730 | break; | |
731 | } | |
76d06ffa | 732 | |
f38b1653 | 733 | //Don't read unless we have a FEC_RD |
734 | if(!readDataWord) continue; | |
735 | ||
736 | UInt_t dataWord = Get32bitWord(i); | |
737 | UInt_t data = (0xFFFFF & dataWord) ; | |
738 | //UInt_t data = (0xFFFF & dataWord) ; | |
3effc6e7 | 739 | |
f38b1653 | 740 | if(error) { |
741 | AliWarning(Form("error bit detected at Word 0x%06x; " | |
742 | "error % d, type %d, bc_not_altro %d, " | |
743 | "bcast %d, board 0x%02x, chip 0x%x, " | |
744 | "channel 0x%02x, instruction 0x%03x", | |
745 | address, error, type, bc_not_altro, | |
746 | bcast,board,chip,channel,instruction)); | |
747 | //process error | |
748 | continue; | |
749 | } | |
3effc6e7 | 750 | |
751 | ||
f38b1653 | 752 | switch(instruction) { |
3effc6e7 | 753 | |
f38b1653 | 754 | case 0x01: break; // First ADC T |
755 | case 0x02: break; // I 3.3 V | |
756 | case 0x03: break; // I 2.5 V altro digital | |
757 | case 0x04: break; // I 2.5 V altro analog | |
758 | case 0x05: break; // I 2.5 V VA | |
759 | case 0x06: break; // First ADC T | |
760 | case 0x07: break; // I 3.3 V | |
761 | case 0x08: break; // I 2.5 V altro digital | |
762 | case 0x09: break; // I 2.5 V altro analog | |
763 | case 0x0A: break; // I 2.5 V VA | |
764 | case 0x2D: break; // Second ADC T | |
765 | case 0x2E: break; // I 1.5 V VA | |
766 | case 0x2F: break; // I -2.0 V | |
767 | case 0x30: break; // I -2.0 V VA | |
768 | case 0x31: break; // 2.5 V Digital driver | |
769 | case 0x32: break; // Second ADC T | |
770 | case 0x33: break; // I 1.5 V VA | |
771 | case 0x34: break; // I -2.0 V | |
772 | case 0x35: break; // I -2.0 V VA | |
773 | case 0x36: break; // 2.5 V Digital driver | |
774 | case 0x37: break; // Third ADC T | |
775 | case 0x38: break; // Temperature sens. 1 | |
776 | case 0x39: break; // Temperature sens. 2 | |
777 | case 0x3A: break; // U 2.5 altro digital (m) | |
778 | case 0x3B: break; // U 2.5 altro analog (m) | |
779 | case 0x3C: break; // Third ADC T | |
780 | case 0x3D: break; // Temperature sens. 1 | |
781 | case 0x3E: break; // Temperature sens. 2 | |
782 | case 0x3F: break; // U 2.5 altro digital (m) | |
783 | case 0x40: break; // U 2.5 altro analog (m) | |
784 | case 0x41: break; // Forth ADC T | |
785 | case 0x42: break; // U 2.5 VA (m) | |
786 | case 0x43: break; // U 1.5 VA (m) | |
787 | case 0x44: break; // U -2.0 VA (m) | |
788 | case 0x45: break; // U -2.0 (m) | |
789 | case 0x46: break; // Forth ADC T | |
790 | case 0x47: break; // U 2.5 VA (m) | |
791 | case 0x48: break; // U 1.5 VA (m) | |
792 | case 0x49: break; // U -2.0 VA (m) | |
793 | case 0x4A: break; // U -2.0 (m) | |
794 | // Counters | |
795 | case 0x0B: break; // L1 trigger CouNTer | |
796 | case 0x0C: break; // L2 trigger CouNTer | |
797 | case 0x0D: break; // Sampling CLK CouNTer | |
798 | case 0x0E: break; // DSTB CouNTer | |
799 | // Test mode | |
800 | case 0x0F: break; // Test mode word | |
801 | case 0x10: break; // Undersampling ratio. | |
802 | // Configuration and status | |
803 | case 0x11: break; // Config/Status Register 0 | |
804 | case 0x12: break; // Config/Status Register 1 | |
805 | case 0x13: break; // Config/Status Register 2 | |
806 | case 0x14: break; // Config/Status Register 3 | |
807 | case 0x15: break; // Free | |
808 | // Comands: | |
809 | case 0x16: break; // Latch L1, L2, SCLK Counters | |
810 | case 0x17: break; // Clear counters | |
811 | case 0x18: break; // Clear CSR1 | |
812 | case 0x19: break; // rstb ALTROs | |
813 | case 0x1A: break; // rstb BC | |
814 | case 0x1B: break; // Start conversion | |
815 | case 0x1C: break; // Scan event length | |
816 | case 0x1D: break; // Read event length | |
817 | case 0x1E: break; // Start test mode | |
818 | case 0x1F: break; // Read acquisition memory | |
819 | // FMD | |
820 | case 0x20: break; // FMDD status | |
821 | case 0x21: break; // L0 counters | |
822 | case 0x22: break; // FMD: Wait to hold | |
823 | case 0x23: break; // FMD: L1 timeout | |
824 | case 0x24: break; // FMD: L2 timeout | |
825 | case 0x25: // FMD: Shift clk | |
826 | shift_clk[board] = ((data >> 8 ) & 0xFF); | |
827 | break; | |
828 | case 0x26: // FMD: Strips | |
829 | strip_low[board] = ((data >> 0 ) & 0xFF); | |
830 | strip_high[board] = ((data >> 8 ) & 0xFF); | |
831 | break; | |
832 | case 0x27: // FMD: Cal pulse | |
833 | pulse_size[board] = ((data >> 8 ) & 0xFF); | |
834 | break; | |
835 | case 0x28: break; // FMD: Shape bias | |
836 | case 0x29: break; // FMD: Shape ref | |
837 | case 0x2A: break; // FMD: Preamp ref | |
838 | case 0x2B: // FMD: Sample clk | |
839 | sample_clk[board] = ((data >> 8 ) & 0xFF); | |
840 | break; | |
841 | case 0x2C: break; // FMD: Commands | |
842 | case 0x4B: // FMD: Cal events | |
843 | pulse_length[board] = ((data >> 0 ) & 0xFF); | |
844 | break; | |
845 | default: break; | |
3effc6e7 | 846 | |
f38b1653 | 847 | } |
848 | AliFMDDebug(50, ("instruction 0x%x, dataword 0x%x", | |
849 | instruction,dataWord)); | |
3effc6e7 | 850 | } |
851 | ||
f38b1653 | 852 | UShort_t det,sector; |
853 | Short_t strip; | |
3effc6e7 | 854 | Char_t ring; |
76d06ffa | 855 | |
3effc6e7 | 856 | const UInt_t boards[4] = {0,1,16,17}; |
857 | for(Int_t i=0;i<4;i++) { | |
f38b1653 | 858 | if(ddl==0 && (i==1 || i==3)) continue; |
859 | ||
3effc6e7 | 860 | UInt_t chip =0, channel=0; |
b995fc28 | 861 | det = map->DDL2Detector(ddl); |
862 | map->Channel2StripBase(boards[i], chip, channel, ring, sector, strip); | |
76d06ffa | 863 | |
864 | UInt_t samplerate = 1; | |
76d06ffa | 865 | if(sample_clk[boards[i]] == 0) { |
f38b1653 | 866 | if(ddl == 0) { |
867 | Int_t sample1 = sample_clk[boards[0]]; | |
868 | Int_t sample2 = sample_clk[boards[2]]; | |
869 | if(sample1) sample_clk[boards[i]] = sample1; | |
870 | else sample_clk[boards[i]] = sample2; | |
871 | } | |
872 | else { | |
873 | Int_t sample1 = sample_clk[boards[0]]; | |
874 | Int_t sample2 = sample_clk[boards[1]]; | |
875 | Int_t sample3 = sample_clk[boards[2]]; | |
876 | Int_t sample4 = sample_clk[boards[3]]; | |
877 | Int_t agreement = 0; | |
878 | if(sample1 == sample2) agreement++; | |
879 | if(sample1 == sample3) agreement++; | |
880 | if(sample1 == sample4) agreement++; | |
881 | if(sample2 == sample3) agreement++; | |
882 | if(sample2 == sample4) agreement++; | |
883 | if(sample3 == sample4) agreement++; | |
76d06ffa | 884 | |
f38b1653 | 885 | Int_t idx = 0; |
886 | if(i<3) idx = i+1; | |
887 | else idx = i-1; | |
888 | if(agreement == 3) { | |
889 | sample_clk[boards[i]] = sample_clk[boards[idx]]; | |
890 | shift_clk[boards[i]] = shift_clk[boards[idx]]; | |
891 | strip_low[boards[i]] = strip_low[boards[idx]]; | |
892 | strip_high[boards[i]] = strip_high[boards[idx]]; | |
893 | pulse_length[boards[i]] = pulse_length[boards[idx]]; | |
894 | pulse_size[boards[i]] = pulse_size[boards[idx]]; | |
895 | AliFMDDebug(0, ("Vote taken for ddl %d, board 0x%x", | |
896 | ddl,boards[i])); | |
76d06ffa | 897 | } |
f38b1653 | 898 | } |
76d06ffa | 899 | } |
900 | ||
3effc6e7 | 901 | if(sample_clk[boards[i]]) |
f38b1653 | 902 | samplerate = shift_clk[boards[i]]/sample_clk[boards[i]]; |
3effc6e7 | 903 | sampleRate->Set(det,ring,sector,0,samplerate); |
f38b1653 | 904 | stripRange->Set(det,ring,sector,0, |
905 | strip_low[boards[i]],strip_high[boards[i]]); | |
3effc6e7 | 906 | |
76d06ffa | 907 | AliFMDDebug(20, ("det %d, ring %c, ",det,ring)); |
f38b1653 | 908 | pulseLength.AddAt(pulse_length[boards[i]], |
909 | GetHalfringIndex(det,ring,boards[i]/16)); | |
910 | pulseSize.AddAt(pulse_size[boards[i]], | |
911 | GetHalfringIndex(det,ring,boards[i]/16)); | |
76d06ffa | 912 | |
3effc6e7 | 913 | |
76d06ffa | 914 | |
915 | AliFMDDebug(20, (": Board: 0x%02x\n" | |
f38b1653 | 916 | "\tstrip_low %3d, strip_high %3d\n" |
917 | "\tshift_clk %3d, sample_clk %3d\n" | |
918 | "\tpulse_size %3d, pulse_length %3d", | |
919 | boards[i], | |
920 | strip_low[boards[i]], strip_high[boards[i]], | |
921 | shift_clk[boards[i]], sample_clk[boards[i]], | |
922 | pulse_size[boards[i]],pulse_length[boards[i]])); | |
3effc6e7 | 923 | } |
924 | ||
925 | } | |
926 | ||
927 | AliFMDParameters::Instance()->SetSampleRate(sampleRate); | |
928 | AliFMDParameters::Instance()->SetStripRange(stripRange); | |
929 | ||
930 | AliFMDDebug(0, ("End of SOD/EOD")); | |
931 | ||
7af3df7f | 932 | return kTRUE; |
3effc6e7 | 933 | } |
934 | //____________________________________________________________________ | |
935 | ||
936 | UInt_t AliFMDRawReader::Get32bitWord(Int_t idx) | |
937 | { | |
938 | // This method returns the 32 bit word at a given | |
939 | // position inside the raw data payload. | |
940 | // The 'index' points to the beginning of the next word. | |
941 | // The method is supposed to be endian (platform) | |
942 | // independent. | |
943 | if (!fData) { | |
944 | AliFatal("Raw data paylod buffer is not yet initialized !"); | |
945 | } | |
946 | ||
947 | Int_t index = 4*idx; | |
948 | ||
949 | if (index < 4) { | |
950 | // fRawReader->AddFatalErrorLog(k32bitWordReadErr,Form("pos = %d",index)); | |
951 | // PrintDebug(); | |
952 | AliWarning(Form("Invalid raw data payload position (%d) !",index)); | |
953 | } | |
954 | ||
955 | UInt_t word = 0; | |
76d06ffa | 956 | |
3effc6e7 | 957 | word = fData[--index] << 24; |
958 | word |= fData[--index] << 16; | |
959 | word |= fData[--index] << 8; | |
960 | word |= fData[--index] << 0 ; | |
e802be3e | 961 | |
3effc6e7 | 962 | return word; |
963 | } | |
964 | //_____________________________________________________________________ | |
f38b1653 | 965 | Int_t AliFMDRawReader::GetHalfringIndex(UShort_t det, Char_t ring, |
966 | UShort_t board) { | |
3effc6e7 | 967 | |
968 | UShort_t iring = (ring == 'I' ? 1 : 0); | |
969 | ||
970 | Int_t index = (((det-1) << 2) | (iring << 1) | (board << 0)); | |
971 | ||
76d06ffa | 972 | return index-2; |
3effc6e7 | 973 | |
974 | } | |
e802be3e | 975 | //____________________________________________________________________ |
976 | // | |
977 | // EOF | |
978 | // |