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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 |
53 | #include "AliFMDRawStream.h" // ALIFMDRAWSTREAM_H | |
6169f936 | 54 | // #include "AliRawReader.h" // ALIRAWREADER_H |
e802be3e | 55 | #include "AliFMDRawReader.h" // ALIFMDRAWREADER_H |
c2fc1258 | 56 | // #include "AliFMDAltroIO.h" // ALIFMDALTROIO_H |
02a27b50 | 57 | // #include <TArrayI.h> // ROOT_TArrayI |
1a1fdef7 | 58 | #include <TTree.h> // ROOT_TTree |
59 | #include <TClonesArray.h> // ROOT_TClonesArray | |
02a27b50 | 60 | // #include <iostream> |
61 | // #include <iomanip> | |
e802be3e | 62 | |
63 | //____________________________________________________________________ | |
925e6570 | 64 | ClassImp(AliFMDRawReader) |
1a1fdef7 | 65 | #if 0 |
66 | ; // This is here to keep Emacs for indenting the next line | |
67 | #endif | |
e802be3e | 68 | |
69 | //____________________________________________________________________ | |
1a1fdef7 | 70 | AliFMDRawReader::AliFMDRawReader(AliRawReader* reader, TTree* tree) |
e802be3e | 71 | : TTask("FMDRawReader", "Reader of Raw ADC values from the FMD"), |
1a1fdef7 | 72 | fTree(tree), |
73 | fReader(reader), | |
74 | fSampleRate(1) | |
e802be3e | 75 | { |
56b1929b | 76 | // Default CTOR |
e802be3e | 77 | } |
78 | ||
c2fc1258 | 79 | //____________________________________________________________________ |
80 | void | |
81 | AliFMDRawReader::Exec(Option_t*) | |
82 | { | |
02a27b50 | 83 | // Read the data |
c2fc1258 | 84 | TClonesArray* array = new TClonesArray("AliFMDDigit"); |
85 | if (!fTree) { | |
86 | AliError("No tree"); | |
87 | return; | |
88 | } | |
89 | fTree->Branch("FMD", &array); | |
90 | ReadAdcs(array); | |
91 | Int_t nWrite = fTree->Fill(); | |
f95a63c4 | 92 | AliFMDDebug(1, ("Got a grand total of %d digits, wrote %d bytes to tree", |
c2fc1258 | 93 | array->GetEntries(), nWrite)); |
94 | } | |
95 | ||
96 | ||
97 | #if 1 | |
98 | //____________________________________________________________________ | |
99 | Bool_t | |
100 | AliFMDRawReader::ReadAdcs(TClonesArray* array) | |
101 | { | |
102 | // Read raw data into the digits array, using AliFMDAltroReader. | |
103 | if (!array) { | |
104 | AliError("No TClonesArray passed"); | |
105 | return kFALSE; | |
106 | } | |
d56f2b53 | 107 | // if (!fReader->ReadHeader()) { |
108 | // AliError("Couldn't read header"); | |
109 | // return kFALSE; | |
110 | // } | |
c2fc1258 | 111 | // Get sample rate |
112 | AliFMDParameters* pars = AliFMDParameters::Instance(); | |
113 | AliFMDRawStream input(fReader); | |
c2fc1258 | 114 | |
115 | UShort_t stripMin = 0; | |
116 | UShort_t stripMax = 127; | |
117 | UShort_t preSamp = 0; | |
118 | ||
119 | UInt_t ddl = 0; | |
120 | UInt_t rate = 0; | |
121 | UInt_t last = 0; | |
122 | UInt_t hwaddr = 0; | |
123 | // Data array is approx twice the size needed. | |
124 | UShort_t data[2048]; | |
125 | while (input.ReadChannel(ddl, hwaddr, last, data)) { | |
f95a63c4 | 126 | AliFMDDebug(5, ("Read channel 0x%x of size %d", hwaddr, last)); |
c2fc1258 | 127 | UShort_t det, sec, str; |
128 | Char_t ring; | |
129 | if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) { | |
130 | AliError(Form("Failed to get detector id from DDL %d " | |
131 | "and hardware address 0x%x", ddl, hwaddr)); | |
132 | continue; | |
133 | } | |
134 | rate = pars->GetSampleRate(det, ring, sec, str); | |
135 | stripMin = pars->GetMinStrip(det, ring, sec, str); | |
136 | stripMax = pars->GetMaxStrip(det, ring, sec, str); | |
f95a63c4 | 137 | AliFMDDebug(5, ("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]", |
c2fc1258 | 138 | ddl, hwaddr, det, ring, sec, str)); |
139 | ||
140 | // Loop over the `timebins', and make the digits | |
141 | for (size_t i = 0; i < last; i++) { | |
142 | if (i < preSamp) continue; | |
b29d3b0b | 143 | Int_t n = array->GetEntriesFast(); |
c2fc1258 | 144 | UShort_t curStr = str + stripMin + i / rate; |
145 | if ((curStr-str) > stripMax) { | |
146 | AliError(Form("Current strip is %d but DB says max is %d", | |
147 | curStr, stripMax)); | |
148 | } | |
f95a63c4 | 149 | AliFMDDebug(5, ("making digit for FMD%d%c[%2d,%3d] from sample %4d", |
c2fc1258 | 150 | det, ring, sec, curStr, i)); |
151 | new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i], | |
152 | (rate >= 2 ? data[i+1] : 0), | |
153 | (rate >= 3 ? data[i+2] : 0)); | |
154 | if (rate >= 2) i++; | |
155 | if (rate >= 3) i++; | |
156 | } | |
157 | } | |
158 | return kTRUE; | |
159 | } | |
160 | #else | |
1e8f773e | 161 | //____________________________________________________________________ |
d760ea03 | 162 | Bool_t |
163 | AliFMDRawReader::ReadAdcs(TClonesArray* array) | |
1e8f773e | 164 | { |
165 | // Read raw data into the digits array, using AliFMDAltroReader. | |
d760ea03 | 166 | if (!array) { |
167 | AliError("No TClonesArray passed"); | |
168 | return kFALSE; | |
169 | } | |
d56f2b53 | 170 | // if (!fReader->ReadHeader()) { |
171 | // AliError("Couldn't read header"); | |
172 | // return kFALSE; | |
173 | // } | |
1e8f773e | 174 | // Get sample rate |
175 | AliFMDParameters* pars = AliFMDParameters::Instance(); | |
176 | ||
177 | // Select FMD DDL's | |
362c9d61 | 178 | fReader->Select("FMD"); |
1e8f773e | 179 | |
180 | UShort_t stripMin = 0; | |
181 | UShort_t stripMax = 127; | |
182 | UShort_t preSamp = 0; | |
183 | ||
184 | do { | |
185 | UChar_t* cdata; | |
186 | if (!fReader->ReadNextData(cdata)) break; | |
187 | size_t nchar = fReader->GetDataSize(); | |
362c9d61 | 188 | UShort_t ddl = fReader->GetDDLID(); |
c2fc1258 | 189 | UShort_t rate = 0; |
f95a63c4 | 190 | AliFMDDebug(1, ("Reading %d bytes (%d 10bit words) from %d", |
1e8f773e | 191 | nchar, nchar * 8 / 10, ddl)); |
192 | // Make a stream to read from | |
193 | std::string str((char*)(cdata), nchar); | |
194 | std::istringstream s(str); | |
195 | // Prep the reader class. | |
196 | AliFMDAltroReader r(s); | |
197 | // Data array is approx twice the size needed. | |
198 | UShort_t data[2048], hwaddr, last; | |
199 | while (r.ReadChannel(hwaddr, last, data) > 0) { | |
f95a63c4 | 200 | AliFMDDebug(5, ("Read channel 0x%x of size %d", hwaddr, last)); |
1e8f773e | 201 | UShort_t det, sec, str; |
202 | Char_t ring; | |
203 | if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) { | |
204 | AliError(Form("Failed to detector id from DDL %d " | |
205 | "and hardware address 0x%x", ddl, hwaddr)); | |
206 | continue; | |
207 | } | |
c2fc1258 | 208 | rate = pars->GetSampleRate(det, ring, sec, str); |
209 | stripMin = pars->GetMinStrip(det, ring, sec, str); | |
210 | stripMax = pars->GetMaxStrip(det, ring, sec, str); | |
f95a63c4 | 211 | AliFMDDebug(5, ("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]", |
1e8f773e | 212 | ddl, hwaddr, det, ring, sec, str)); |
213 | ||
214 | // Loop over the `timebins', and make the digits | |
215 | for (size_t i = 0; i < last; i++) { | |
216 | if (i < preSamp) continue; | |
d760ea03 | 217 | Int_t n = array->GetEntries(); |
1e8f773e | 218 | UShort_t curStr = str + stripMin + i / rate; |
219 | if ((curStr-str) > stripMax) { | |
220 | AliError(Form("Current strip is %d but DB says max is %d", | |
221 | curStr, stripMax)); | |
222 | } | |
f95a63c4 | 223 | AliFMDDebug(5, ("making digit for FMD%d%c[%2d,%3d] from sample %4d", |
1e8f773e | 224 | det, ring, sec, curStr, i)); |
225 | new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i], | |
226 | (rate >= 2 ? data[i+1] : 0), | |
227 | (rate >= 3 ? data[i+2] : 0)); | |
228 | if (rate >= 2) i++; | |
229 | if (rate >= 3) i++; | |
230 | } | |
231 | if (r.IsBof()) break; | |
232 | } | |
233 | } while (true); | |
d760ea03 | 234 | return kTRUE; |
235 | } | |
236 | ||
237 | ||
238 | ||
1e8f773e | 239 | // This is the old method, for comparison. It's really ugly, and far |
240 | // too convoluted. | |
e802be3e | 241 | //____________________________________________________________________ |
242 | void | |
243 | AliFMDRawReader::Exec(Option_t*) | |
244 | { | |
56b1929b | 245 | // Read raw data into the digits array |
d56f2b53 | 246 | // if (!fReader->ReadHeader()) { |
247 | // Error("ReadAdcs", "Couldn't read header"); | |
248 | // return; | |
249 | // } | |
e802be3e | 250 | |
1a1fdef7 | 251 | Int_t n = 0; |
252 | TClonesArray* array = new TClonesArray("AliFMDDigit"); | |
253 | fTree->Branch("FMD", &array); | |
254 | ||
8f6ee336 | 255 | // Get sample rate |
256 | AliFMDParameters* pars = AliFMDParameters::Instance(); | |
362c9d61 | 257 | fSampleRate = pars->GetSampleRate(0); |
8f6ee336 | 258 | |
e802be3e | 259 | // Use AliAltroRawStream to read the ALTRO format. No need to |
260 | // reinvent the wheel :-) | |
261 | AliFMDRawStream input(fReader, fSampleRate); | |
262 | // Select FMD DDL's | |
362c9d61 | 263 | fReader->Select("FMD"); |
e802be3e | 264 | |
265 | Int_t oldDDL = -1; | |
266 | Int_t count = 0; | |
267 | UShort_t detector = 1; // Must be one here | |
268 | UShort_t oldDetector = 0; | |
269 | Bool_t next = kTRUE; | |
270 | ||
271 | // local Cache | |
272 | TArrayI counts(10); | |
273 | counts.Reset(-1); | |
274 | ||
275 | // Loop over data in file | |
276 | while (next) { | |
277 | next = input.Next(); | |
278 | ||
279 | count++; | |
280 | Int_t ddl = fReader->GetDDLID(); | |
f95a63c4 | 281 | AliFMDDebug(10, ("Current DDL is %d", ddl)); |
e802be3e | 282 | if (ddl != oldDDL || input.IsNewStrip() || !next) { |
283 | // Make a new digit, if we have some data (oldDetector == 0, | |
284 | // means that we haven't really read anything yet - that is, | |
285 | // it's the first time we get here). | |
286 | if (oldDetector > 0) { | |
287 | // Got a new strip. | |
f95a63c4 | 288 | AliFMDDebug(10, ("Add a new strip: FMD%d%c[%2d,%3d] " |
e802be3e | 289 | "(current: FMD%d%c[%2d,%3d])", |
290 | oldDetector, input.PrevRing(), | |
291 | input.PrevSector() , input.PrevStrip(), | |
292 | detector , input.Ring(), input.Sector(), | |
293 | input.Strip())); | |
1a1fdef7 | 294 | new ((*array)[n]) AliFMDDigit(oldDetector, |
295 | input.PrevRing(), | |
296 | input.PrevSector(), | |
297 | input.PrevStrip(), | |
298 | counts[0], counts[1], counts[2]); | |
299 | n++; | |
e802be3e | 300 | #if 0 |
301 | AliFMDDigit* digit = | |
302 | static_cast<AliFMDDigit*>(fFMD->Digits()-> | |
303 | UncheckedAt(fFMD->GetNdigits()-1)); | |
304 | #endif | |
305 | } | |
306 | ||
307 | if (!next) { | |
f95a63c4 | 308 | AliFMDDebug(10, ("Read %d channels for FMD%d", |
e802be3e | 309 | count + 1, detector)); |
310 | break; | |
311 | } | |
312 | ||
313 | ||
314 | // If we got a new DDL, it means we have a new detector. | |
315 | if (ddl != oldDDL) { | |
316 | if (detector != 0) | |
f95a63c4 | 317 | AliFMDDebug(10, ("Read %d channels for FMD%d", count + 1, detector)); |
e802be3e | 318 | // Reset counts, and update the DDL cache |
319 | count = 0; | |
320 | oldDDL = ddl; | |
321 | // Check that we're processing a FMD detector | |
322 | Int_t detId = fReader->GetDetectorID(); | |
362c9d61 | 323 | if (detId != (AliDAQ::DetectorID("FMD"))) { |
1e8f773e | 324 | AliError(Form("Detector ID %d != %d", |
362c9d61 | 325 | detId, (AliDAQ::DetectorID("FMD")))); |
e802be3e | 326 | break; |
327 | } | |
328 | // Figure out what detector we're deling with | |
329 | oldDetector = detector; | |
330 | switch (ddl) { | |
331 | case 0: detector = 1; break; | |
332 | case 1: detector = 2; break; | |
333 | case 2: detector = 3; break; | |
334 | default: | |
1e8f773e | 335 | AliError(Form("Unknown DDL 0x%x for FMD", ddl)); |
e802be3e | 336 | return; |
337 | } | |
f95a63c4 | 338 | AliFMDDebug(10, ("Reading ADCs for 0x%x - That is FMD%d", |
e802be3e | 339 | fReader->GetEquipmentId(), detector)); |
340 | } | |
341 | counts.Reset(-1); | |
342 | } | |
343 | ||
344 | counts[input.Sample()] = input.Count(); | |
345 | ||
f95a63c4 | 346 | AliFMDDebug(10, ("ADC of FMD%d%c[%2d,%3d] += %d", |
e802be3e | 347 | detector, input.Ring(), input.Sector(), |
348 | input.Strip(), input.Count())); | |
349 | oldDetector = detector; | |
350 | } | |
1a1fdef7 | 351 | fTree->Fill(); |
e802be3e | 352 | return; |
353 | ||
354 | } | |
1e8f773e | 355 | #endif |
e802be3e | 356 | |
357 | //____________________________________________________________________ | |
358 | // | |
359 | // EOF | |
360 | // |