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[u/mrichter/AliRoot.git] / FMD / AliFMDRawReader.cxx
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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 **************************************************************************/
15/* $Id$ */
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
20 @ingroup FMD_rec
21*/
22//____________________________________________________________________
23//
24// Class to read ADC values from a AliRawReader object.
25//
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//
49// #include <AliLog.h> // ALILOG_H
50#include "AliFMDDebug.h" // Better debug macros
51#include "AliFMDParameters.h" // ALIFMDPARAMETERS_H
52#include "AliFMDDigit.h" // ALIFMDDIGIT_H
53#include "AliFMDSDigit.h" // ALIFMDSDIGIT_H
54#include "AliFMDRawStream.h" // ALIFMDRAWSTREAM_H
55#include "AliRawReader.h" // ALIRAWREADER_H
56#include "AliFMDRawReader.h" // ALIFMDRAWREADER_H
57#include "AliFMDDebug.h"
58#include "AliFMDCalibSampleRate.h"
59#include "AliFMDCalibStripRange.h"
60#include "AliFMDAltroMapping.h"
61// #include "AliFMDAltroIO.h" // ALIFMDALTROIO_H
62#include <TArrayS.h> // ROOT_TArrayS
63#include <TTree.h> // ROOT_TTree
64#include <TClonesArray.h> // ROOT_TClonesArray
65#include <TString.h>
66#include <iostream>
67#include <climits>
68// #include <iomanip>
69
70//____________________________________________________________________
71ClassImp(AliFMDRawReader)
72#if 0
73 ; // This is here to keep Emacs for indenting the next line
74#endif
75
76//____________________________________________________________________
77AliFMDRawReader::AliFMDRawReader(AliRawReader* reader, TTree* tree)
78 : TTask("FMDRawReader", "Reader of Raw ADC values from the FMD"),
79 fTree(tree),
80 fReader(reader),
81 // fSampleRate(1),
82 fData(0),
83 fNbytes(0),
84 fSeen()
85{
86 // Default CTOR
87 for (Int_t i = 0; i < 3; i++) {
88 fSampleRate[i] = 0;
89 fZeroSuppress[i] = kFALSE;
90 fNoiseFactor[i] = 1;
91 }
92}
93
94//____________________________________________________________________
95void
96AliFMDRawReader::Exec(Option_t*)
97{
98 // Read the data
99 TClonesArray* array = new TClonesArray("AliFMDDigit");
100 if (!fTree) {
101 AliError("No tree");
102 return;
103 }
104 fTree->Branch("FMD", &array);
105
106
107 ReadAdcs(array);
108 Int_t nWrite = fTree->Fill();
109 AliFMDDebug(1, ("Got a grand total of %d digits, wrote %d bytes to tree",
110 array->GetEntriesFast(), nWrite));
111}
112
113//____________________________________________________________________
114Bool_t
115AliFMDRawReader::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)
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;
125 // static UInt_t rate = 0;
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;
131 static Short_t tsam = -1;
132 static UInt_t trate = 0;
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());
151
152 // Reset variables
153 ddl = -1;
154 trate = 0;
155 tdet = 0;
156 trng = '\0';
157 tsec = 0;
158 tstr = 0;
159 tsam = -1;
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) {
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);
177 AliFMDDebug(10, ("RCU @ DDL %d zero suppression: %s",ddl, zs?"yes":"no"));
178 AliFMDDebug(10, ("RCU @ DDL %d noise factor: %d", ddl,fac));
179 AliFMDDebug(10, ("RCU @ DDL %d sample rate: %d", ddl, trate));
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);
194 if (trate == 0)
195 fSampleRate[ddl] = trate = pars->GetSampleRate(tdet, trng, tsec, bstr);
196 AliFMDDebug(10, ("RCU @ DDL %d, Address 0x%03x sample rate: %d",
197 ddl, hwaddr, trate));
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;
230 map->Timebin2Strip(tsec, t, preSamp, trate, strOff, samp);
231 tstr = bstr + strOff;
232 tsam = samp;
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
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;
252 sam = tsam;
253 rat = trate;
254 // adc = stream.GetSignal();
255
256 break;
257 } while (true);
258 return kTRUE;
259}
260
261//____________________________________________________________________
262Bool_t
263AliFMDRawReader::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//____________________________________________________________________
289Bool_t
290AliFMDRawReader::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
304#if 1
305//____________________________________________________________________
306Bool_t
307AliFMDRawReader::ReadAdcs(TClonesArray* array)
308{
309
310 fReader->Select("FMD");
311 // Read raw data into the digits array, using AliFMDAltroReader.
312 if (!array) {
313 AliError("No TClonesArray passed");
314 return kFALSE;
315 }
316 const UShort_t kUShortMax = (1 << 16) - 1;
317 fSeen.Reset(kUShortMax);
318
319 // if (!fReader->ReadHeader()) {
320 // AliError("Couldn't read header");
321 // return kFALSE;
322 // }
323 // Get sample rate
324 AliFMDParameters* pars = AliFMDParameters::Instance();
325 AliFMDAltroMapping* map = pars->GetAltroMap();
326 AliFMDRawStream input(fReader);
327 AliFMDDebug(5, ("Setting 7 word headers"));
328 input.SetShortDataHeader(!pars->HasCompleteHeader());
329
330 UShort_t stripMin = 0;
331 UShort_t stripMax = 0; // 127;
332 UShort_t preSamp = 0; // 14+5;
333
334 Int_t oldddl = -1;
335 UInt_t ddl = 0;
336 // UInt_t rate = 0;
337 UInt_t last = 0;
338 UInt_t hwaddr = 0;
339 // Data array is approx twice the size needed.
340 UShort_t data[2048];
341 for (size_t i = 0; i < 2048; i++) data[i] = 0; // kUShortMax;
342
343 Bool_t isGood = kTRUE;
344 while (isGood) {
345 isGood = input.ReadChannel(ddl, hwaddr, last, data);
346 // if (!isGood) break;
347 if (ddl >= UINT_MAX /* UInt_t(-1) */) {
348 AliFMDDebug(5, ("At end of event with %d digits",
349 array->GetEntriesFast()));
350 break;
351 }
352 if (UInt_t(oldddl) != ddl) {
353 fZeroSuppress[ddl] = input.GetZeroSupp();
354 AliFMDDebug(20, ("RCU @ DDL %d zero suppression: %s",
355 ddl, (fZeroSuppress[ddl] ? "yes" : "no")));
356
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
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
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));
380
381 UShort_t det, sec, samp, board, chip, channel;
382 Short_t strbase;
383 Char_t ring;
384
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)) {
390 AliError(Form("Failed to get detector id from DDL %d, "
391 "hardware address 0x%03x", ddl, hwaddr));
392 continue;
393 }
394 AliFMDDebug(5, ("Board: 0x%02x, Altro: 0x%x, Channel: 0x%x, Length: %4d",
395 board, chip, channel, last));
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);
400 if (fSampleRate[ddl] == 0)
401 fSampleRate[ddl] = pars->GetSampleRate(det, ring, sec, strbase);
402
403 // Loop over the `timebins', and make the digits
404 for (size_t i = 0; i < last; i++) {
405 // if (i < preSamp) continue;
406 AliFMDDebug(15, ("0x%04x/0x%03x/%04d %4d", ddl, hwaddr, i, data[i]));
407
408 Short_t stroff = 0;
409 map->Timebin2Strip(sec, i, preSamp, fSampleRate[ddl], stroff, samp);
410 Short_t str = strbase + stroff;
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));
414 if (str < 0) {
415 AliFMDDebug(8, ("Got presamples at timebin %d", i));
416 data[i] = 0; // Reset cache
417 continue;
418 }
419
420 Short_t lstrip = (i - preSamp) / fSampleRate[ddl] + stripMin;
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));
427 data[i] = 0; // Reset cache
428 continue;
429 }
430 // Possibly do pedestal subtraction of signal
431 Int_t counts = data[i];
432
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 }
443 AliFMDBaseDigit* digit = static_cast<AliFMDBaseDigit*>(array->At(idx));
444 AliFMDDebug(10,
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);
448 data[i] = 0; // Reset cache
449 }
450 }
451 return kTRUE;
452}
453#else
454//____________________________________________________________________
455Bool_t
456AliFMDRawReader::ReadAdcs(TClonesArray* array)
457{
458 // Read raw data into the digits array, using AliFMDAltroReader.
459 if (!array) {
460 AliError("No TClonesArray passed");
461 return kFALSE;
462 }
463 // if (!fReader->ReadHeader()) {
464 // AliError("Couldn't read header");
465 // return kFALSE;
466 // }
467 // Get sample rate
468 AliFMDParameters* pars = AliFMDParameters::Instance();
469
470 // Select FMD DDL's
471 fReader->Select("FMD");
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();
481 UShort_t ddl = fReader->GetDDLID();
482 UShort_t rate = 0;
483 AliFMDDebug(1, ("Reading %d bytes (%d 10bit words) from %d",
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) {
493 AliFMDDebug(5, ("Read channel 0x%x of size %d", hwaddr, last));
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 }
501 rate = pars->GetSampleRate(det, ring, sec, str);
502 stripMin = pars->GetMinStrip(det, ring, sec, str);
503 stripMax = pars->GetMaxStrip(det, ring, sec, str);
504 AliFMDDebug(5, ("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]",
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;
510 Int_t n = array->GetEntries();
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 }
516 AliFMDDebug(5, ("making digit for FMD%d%c[%2d,%3d] from sample %4d",
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);
527 return kTRUE;
528}
529
530
531
532// This is the old method, for comparison. It's really ugly, and far
533// too convoluted.
534//____________________________________________________________________
535void
536AliFMDRawReader::Exec(Option_t*)
537{
538 // Read raw data into the digits array
539 // if (!fReader->ReadHeader()) {
540 // Error("ReadAdcs", "Couldn't read header");
541 // return;
542 // }
543
544 Int_t n = 0;
545 TClonesArray* array = new TClonesArray("AliFMDDigit");
546 fTree->Branch("FMD", &array);
547
548 // Get sample rate
549 AliFMDParameters* pars = AliFMDParameters::Instance();
550 fSampleRate = pars->GetSampleRate(0);
551
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
556 fReader->Select("FMD");
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();
574 AliFMDDebug(10, ("Current DDL is %d", ddl));
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.
581 AliFMDDebug(10, ("Add a new strip: FMD%d%c[%2d,%3d] "
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()));
587 new ((*array)[n]) AliFMDDigit(oldDetector,
588 input.PrevRing(),
589 input.PrevSector(),
590 input.PrevStrip(),
591 counts[0], counts[1], counts[2]);
592 n++;
593#if 0
594 AliFMDDigit* digit =
595 static_cast<AliFMDDigit*>(fFMD->Digits()->
596 UncheckedAt(fFMD->GetNdigits()-1));
597#endif
598 }
599
600 if (!next) {
601 AliFMDDebug(10, ("Read %d channels for FMD%d",
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)
610 AliFMDDebug(10, ("Read %d channels for FMD%d", count + 1, detector));
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();
616 if (detId != (AliDAQ::DetectorID("FMD"))) {
617 AliError(Form("Detector ID %d != %d",
618 detId, (AliDAQ::DetectorID("FMD"))));
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:
628 AliError(Form("Unknown DDL 0x%x for FMD", ddl));
629 return;
630 }
631 AliFMDDebug(10, ("Reading ADCs for 0x%x - That is FMD%d",
632 fReader->GetEquipmentId(), detector));
633 }
634 counts.Reset(-1);
635 }
636
637 counts[input.Sample()] = input.Count();
638
639 AliFMDDebug(10, ("ADC of FMD%d%c[%2d,%3d] += %d",
640 detector, input.Ring(), input.Sector(),
641 input.Strip(), input.Count()));
642 oldDetector = detector;
643 }
644 fTree->Fill();
645 return;
646
647}
648#endif
649//____________________________________________________________________
650Bool_t AliFMDRawReader::ReadSODevent(AliFMDCalibSampleRate* sampleRate,
651 AliFMDCalibStripRange* stripRange,
652 TArrayS &pulseSize,
653 TArrayS &pulseLength)
654{
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];
664 AliFMDParameters* param = AliFMDParameters::Instance();
665 AliFMDAltroMapping* map = param->GetAltroMap();
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",
678 fNbytes, nWords, trailerLast));
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
685 // 7 last bits is size of trailer
686 ULong_t nTrailerWords = trailerLast & 0x7f;
687 ULong_t nPayloadWords = Get32bitWord(nWords - nTrailerWords+1);
688
689 AliFMDDebug(20, (" # trailer words: %d, # payload words: %d",
690 nTrailerWords, nPayloadWords));
691
692
693 for (ULong_t i = 1; i <= nPayloadWords ; i++) {
694 UInt_t payloadWord = Get32bitWord(i);
695
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 }
713
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 }
732
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) ;
739
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 }
750
751
752 switch(instruction) {
753
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;
846
847 }
848 AliFMDDebug(50, ("instruction 0x%x, dataword 0x%x",
849 instruction,dataWord));
850 }
851
852 UShort_t det,sector;
853 Short_t strip;
854 Char_t ring;
855
856 const UInt_t boards[4] = {0,1,16,17};
857 for(Int_t i=0;i<4;i++) {
858 if(ddl==0 && (i==1 || i==3)) continue;
859
860 UInt_t chip =0, channel=0;
861 det = map->DDL2Detector(ddl);
862 map->Channel2StripBase(boards[i], chip, channel, ring, sector, strip);
863
864 UInt_t samplerate = 1;
865 if(sample_clk[boards[i]] == 0) {
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++;
884
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]));
897 }
898 }
899 }
900
901 if(sample_clk[boards[i]])
902 samplerate = shift_clk[boards[i]]/sample_clk[boards[i]];
903 sampleRate->Set(det,ring,sector,0,samplerate);
904 stripRange->Set(det,ring,sector,0,
905 strip_low[boards[i]],strip_high[boards[i]]);
906
907 AliFMDDebug(20, ("det %d, ring %c, ",det,ring));
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));
912
913
914
915 AliFMDDebug(20, (": Board: 0x%02x\n"
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]]));
923 }
924
925 }
926
927 AliFMDParameters::Instance()->SetSampleRate(sampleRate);
928 AliFMDParameters::Instance()->SetStripRange(stripRange);
929
930 AliFMDDebug(0, ("End of SOD/EOD"));
931
932 return kTRUE;
933}
934//____________________________________________________________________
935
936UInt_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;
956
957 word = fData[--index] << 24;
958 word |= fData[--index] << 16;
959 word |= fData[--index] << 8;
960 word |= fData[--index] << 0 ;
961
962 return word;
963}
964//_____________________________________________________________________
965Int_t AliFMDRawReader::GetHalfringIndex(UShort_t det, Char_t ring,
966 UShort_t board) {
967
968 UShort_t iring = (ring == 'I' ? 1 : 0);
969
970 Int_t index = (((det-1) << 2) | (iring << 1) | (board << 0));
971
972 return index-2;
973
974}
975//____________________________________________________________________
976//
977// EOF
978//