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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 | // | |
56b1929b | 49 | #include <AliLog.h> // ALILOG_H |
1a1fdef7 | 50 | #include "AliFMDParameters.h" // ALIFMDPARAMETERS_H |
e802be3e | 51 | #include "AliFMDDigit.h" // ALIFMDDIGIT_H |
52 | #include "AliFMDRawStream.h" // ALIFMDRAWSTREAM_H | |
6169f936 | 53 | // #include "AliRawReader.h" // ALIRAWREADER_H |
e802be3e | 54 | #include "AliFMDRawReader.h" // ALIFMDRAWREADER_H |
c2fc1258 | 55 | // #include "AliFMDAltroIO.h" // ALIFMDALTROIO_H |
02a27b50 | 56 | // #include <TArrayI.h> // ROOT_TArrayI |
1a1fdef7 | 57 | #include <TTree.h> // ROOT_TTree |
58 | #include <TClonesArray.h> // ROOT_TClonesArray | |
02a27b50 | 59 | // #include <iostream> |
60 | // #include <iomanip> | |
e802be3e | 61 | |
62 | //____________________________________________________________________ | |
925e6570 | 63 | ClassImp(AliFMDRawReader) |
1a1fdef7 | 64 | #if 0 |
65 | ; // This is here to keep Emacs for indenting the next line | |
66 | #endif | |
e802be3e | 67 | |
68 | //____________________________________________________________________ | |
1a1fdef7 | 69 | AliFMDRawReader::AliFMDRawReader(AliRawReader* reader, TTree* tree) |
e802be3e | 70 | : TTask("FMDRawReader", "Reader of Raw ADC values from the FMD"), |
1a1fdef7 | 71 | fTree(tree), |
72 | fReader(reader), | |
73 | fSampleRate(1) | |
e802be3e | 74 | { |
56b1929b | 75 | // Default CTOR |
e802be3e | 76 | } |
77 | ||
c2fc1258 | 78 | //____________________________________________________________________ |
79 | void | |
80 | AliFMDRawReader::Exec(Option_t*) | |
81 | { | |
02a27b50 | 82 | // Read the data |
c2fc1258 | 83 | TClonesArray* array = new TClonesArray("AliFMDDigit"); |
84 | if (!fTree) { | |
85 | AliError("No tree"); | |
86 | return; | |
87 | } | |
88 | fTree->Branch("FMD", &array); | |
89 | ReadAdcs(array); | |
90 | Int_t nWrite = fTree->Fill(); | |
91 | AliDebug(1, Form("Got a grand total of %d digits, wrote %d bytes to tree", | |
92 | array->GetEntries(), nWrite)); | |
93 | } | |
94 | ||
95 | ||
96 | #if 1 | |
97 | //____________________________________________________________________ | |
98 | Bool_t | |
99 | AliFMDRawReader::ReadAdcs(TClonesArray* array) | |
100 | { | |
101 | // Read raw data into the digits array, using AliFMDAltroReader. | |
102 | if (!array) { | |
103 | AliError("No TClonesArray passed"); | |
104 | return kFALSE; | |
105 | } | |
d56f2b53 | 106 | // if (!fReader->ReadHeader()) { |
107 | // AliError("Couldn't read header"); | |
108 | // return kFALSE; | |
109 | // } | |
c2fc1258 | 110 | // Get sample rate |
111 | AliFMDParameters* pars = AliFMDParameters::Instance(); | |
112 | AliFMDRawStream input(fReader); | |
c2fc1258 | 113 | |
114 | UShort_t stripMin = 0; | |
115 | UShort_t stripMax = 127; | |
116 | UShort_t preSamp = 0; | |
117 | ||
118 | UInt_t ddl = 0; | |
119 | UInt_t rate = 0; | |
120 | UInt_t last = 0; | |
121 | UInt_t hwaddr = 0; | |
122 | // Data array is approx twice the size needed. | |
123 | UShort_t data[2048]; | |
124 | while (input.ReadChannel(ddl, hwaddr, last, data)) { | |
125 | AliDebug(5, Form("Read channel 0x%x of size %d", hwaddr, last)); | |
126 | UShort_t det, sec, str; | |
127 | Char_t ring; | |
128 | if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) { | |
129 | AliError(Form("Failed to get detector id from DDL %d " | |
130 | "and hardware address 0x%x", ddl, hwaddr)); | |
131 | continue; | |
132 | } | |
133 | rate = pars->GetSampleRate(det, ring, sec, str); | |
134 | stripMin = pars->GetMinStrip(det, ring, sec, str); | |
135 | stripMax = pars->GetMaxStrip(det, ring, sec, str); | |
136 | AliDebug(5, Form("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]", | |
137 | ddl, hwaddr, det, ring, sec, str)); | |
138 | ||
139 | // Loop over the `timebins', and make the digits | |
140 | for (size_t i = 0; i < last; i++) { | |
141 | if (i < preSamp) continue; | |
142 | Int_t n = array->GetEntries(); | |
143 | UShort_t curStr = str + stripMin + i / rate; | |
144 | if ((curStr-str) > stripMax) { | |
145 | AliError(Form("Current strip is %d but DB says max is %d", | |
146 | curStr, stripMax)); | |
147 | } | |
148 | AliDebug(5, Form("making digit for FMD%d%c[%2d,%3d] from sample %4d", | |
149 | det, ring, sec, curStr, i)); | |
150 | new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i], | |
151 | (rate >= 2 ? data[i+1] : 0), | |
152 | (rate >= 3 ? data[i+2] : 0)); | |
153 | if (rate >= 2) i++; | |
154 | if (rate >= 3) i++; | |
155 | } | |
156 | } | |
157 | return kTRUE; | |
158 | } | |
159 | #else | |
1e8f773e | 160 | //____________________________________________________________________ |
d760ea03 | 161 | Bool_t |
162 | AliFMDRawReader::ReadAdcs(TClonesArray* array) | |
1e8f773e | 163 | { |
164 | // Read raw data into the digits array, using AliFMDAltroReader. | |
d760ea03 | 165 | if (!array) { |
166 | AliError("No TClonesArray passed"); | |
167 | return kFALSE; | |
168 | } | |
d56f2b53 | 169 | // if (!fReader->ReadHeader()) { |
170 | // AliError("Couldn't read header"); | |
171 | // return kFALSE; | |
172 | // } | |
1e8f773e | 173 | // Get sample rate |
174 | AliFMDParameters* pars = AliFMDParameters::Instance(); | |
175 | ||
176 | // Select FMD DDL's | |
362c9d61 | 177 | fReader->Select("FMD"); |
1e8f773e | 178 | |
179 | UShort_t stripMin = 0; | |
180 | UShort_t stripMax = 127; | |
181 | UShort_t preSamp = 0; | |
182 | ||
183 | do { | |
184 | UChar_t* cdata; | |
185 | if (!fReader->ReadNextData(cdata)) break; | |
186 | size_t nchar = fReader->GetDataSize(); | |
362c9d61 | 187 | UShort_t ddl = fReader->GetDDLID(); |
c2fc1258 | 188 | UShort_t rate = 0; |
1e8f773e | 189 | AliDebug(1, Form("Reading %d bytes (%d 10bit words) from %d", |
190 | nchar, nchar * 8 / 10, ddl)); | |
191 | // Make a stream to read from | |
192 | std::string str((char*)(cdata), nchar); | |
193 | std::istringstream s(str); | |
194 | // Prep the reader class. | |
195 | AliFMDAltroReader r(s); | |
196 | // Data array is approx twice the size needed. | |
197 | UShort_t data[2048], hwaddr, last; | |
198 | while (r.ReadChannel(hwaddr, last, data) > 0) { | |
199 | AliDebug(5, Form("Read channel 0x%x of size %d", hwaddr, last)); | |
200 | UShort_t det, sec, str; | |
201 | Char_t ring; | |
202 | if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) { | |
203 | AliError(Form("Failed to detector id from DDL %d " | |
204 | "and hardware address 0x%x", ddl, hwaddr)); | |
205 | continue; | |
206 | } | |
c2fc1258 | 207 | rate = pars->GetSampleRate(det, ring, sec, str); |
208 | stripMin = pars->GetMinStrip(det, ring, sec, str); | |
209 | stripMax = pars->GetMaxStrip(det, ring, sec, str); | |
1e8f773e | 210 | AliDebug(5, Form("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]", |
211 | ddl, hwaddr, det, ring, sec, str)); | |
212 | ||
213 | // Loop over the `timebins', and make the digits | |
214 | for (size_t i = 0; i < last; i++) { | |
215 | if (i < preSamp) continue; | |
d760ea03 | 216 | Int_t n = array->GetEntries(); |
1e8f773e | 217 | UShort_t curStr = str + stripMin + i / rate; |
218 | if ((curStr-str) > stripMax) { | |
219 | AliError(Form("Current strip is %d but DB says max is %d", | |
220 | curStr, stripMax)); | |
221 | } | |
222 | AliDebug(5, Form("making digit for FMD%d%c[%2d,%3d] from sample %4d", | |
223 | det, ring, sec, curStr, i)); | |
224 | new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i], | |
225 | (rate >= 2 ? data[i+1] : 0), | |
226 | (rate >= 3 ? data[i+2] : 0)); | |
227 | if (rate >= 2) i++; | |
228 | if (rate >= 3) i++; | |
229 | } | |
230 | if (r.IsBof()) break; | |
231 | } | |
232 | } while (true); | |
d760ea03 | 233 | return kTRUE; |
234 | } | |
235 | ||
236 | ||
237 | ||
1e8f773e | 238 | // This is the old method, for comparison. It's really ugly, and far |
239 | // too convoluted. | |
e802be3e | 240 | //____________________________________________________________________ |
241 | void | |
242 | AliFMDRawReader::Exec(Option_t*) | |
243 | { | |
56b1929b | 244 | // Read raw data into the digits array |
d56f2b53 | 245 | // if (!fReader->ReadHeader()) { |
246 | // Error("ReadAdcs", "Couldn't read header"); | |
247 | // return; | |
248 | // } | |
e802be3e | 249 | |
1a1fdef7 | 250 | Int_t n = 0; |
251 | TClonesArray* array = new TClonesArray("AliFMDDigit"); | |
252 | fTree->Branch("FMD", &array); | |
253 | ||
8f6ee336 | 254 | // Get sample rate |
255 | AliFMDParameters* pars = AliFMDParameters::Instance(); | |
362c9d61 | 256 | fSampleRate = pars->GetSampleRate(0); |
8f6ee336 | 257 | |
e802be3e | 258 | // Use AliAltroRawStream to read the ALTRO format. No need to |
259 | // reinvent the wheel :-) | |
260 | AliFMDRawStream input(fReader, fSampleRate); | |
261 | // Select FMD DDL's | |
362c9d61 | 262 | fReader->Select("FMD"); |
e802be3e | 263 | |
264 | Int_t oldDDL = -1; | |
265 | Int_t count = 0; | |
266 | UShort_t detector = 1; // Must be one here | |
267 | UShort_t oldDetector = 0; | |
268 | Bool_t next = kTRUE; | |
269 | ||
270 | // local Cache | |
271 | TArrayI counts(10); | |
272 | counts.Reset(-1); | |
273 | ||
274 | // Loop over data in file | |
275 | while (next) { | |
276 | next = input.Next(); | |
277 | ||
278 | count++; | |
279 | Int_t ddl = fReader->GetDDLID(); | |
1e8f773e | 280 | AliDebug(10, Form("Current DDL is %d", ddl)); |
e802be3e | 281 | if (ddl != oldDDL || input.IsNewStrip() || !next) { |
282 | // Make a new digit, if we have some data (oldDetector == 0, | |
283 | // means that we haven't really read anything yet - that is, | |
284 | // it's the first time we get here). | |
285 | if (oldDetector > 0) { | |
286 | // Got a new strip. | |
287 | AliDebug(10, Form("Add a new strip: FMD%d%c[%2d,%3d] " | |
288 | "(current: FMD%d%c[%2d,%3d])", | |
289 | oldDetector, input.PrevRing(), | |
290 | input.PrevSector() , input.PrevStrip(), | |
291 | detector , input.Ring(), input.Sector(), | |
292 | input.Strip())); | |
1a1fdef7 | 293 | new ((*array)[n]) AliFMDDigit(oldDetector, |
294 | input.PrevRing(), | |
295 | input.PrevSector(), | |
296 | input.PrevStrip(), | |
297 | counts[0], counts[1], counts[2]); | |
298 | n++; | |
e802be3e | 299 | #if 0 |
300 | AliFMDDigit* digit = | |
301 | static_cast<AliFMDDigit*>(fFMD->Digits()-> | |
302 | UncheckedAt(fFMD->GetNdigits()-1)); | |
303 | #endif | |
304 | } | |
305 | ||
306 | if (!next) { | |
307 | AliDebug(10, Form("Read %d channels for FMD%d", | |
308 | count + 1, detector)); | |
309 | break; | |
310 | } | |
311 | ||
312 | ||
313 | // If we got a new DDL, it means we have a new detector. | |
314 | if (ddl != oldDDL) { | |
315 | if (detector != 0) | |
1e8f773e | 316 | AliDebug(10, Form("Read %d channels for FMD%d", count + 1, detector)); |
e802be3e | 317 | // Reset counts, and update the DDL cache |
318 | count = 0; | |
319 | oldDDL = ddl; | |
320 | // Check that we're processing a FMD detector | |
321 | Int_t detId = fReader->GetDetectorID(); | |
362c9d61 | 322 | if (detId != (AliDAQ::DetectorID("FMD"))) { |
1e8f773e | 323 | AliError(Form("Detector ID %d != %d", |
362c9d61 | 324 | detId, (AliDAQ::DetectorID("FMD")))); |
e802be3e | 325 | break; |
326 | } | |
327 | // Figure out what detector we're deling with | |
328 | oldDetector = detector; | |
329 | switch (ddl) { | |
330 | case 0: detector = 1; break; | |
331 | case 1: detector = 2; break; | |
332 | case 2: detector = 3; break; | |
333 | default: | |
1e8f773e | 334 | AliError(Form("Unknown DDL 0x%x for FMD", ddl)); |
e802be3e | 335 | return; |
336 | } | |
337 | AliDebug(10, Form("Reading ADCs for 0x%x - That is FMD%d", | |
338 | fReader->GetEquipmentId(), detector)); | |
339 | } | |
340 | counts.Reset(-1); | |
341 | } | |
342 | ||
343 | counts[input.Sample()] = input.Count(); | |
344 | ||
345 | AliDebug(10, Form("ADC of FMD%d%c[%2d,%3d] += %d", | |
346 | detector, input.Ring(), input.Sector(), | |
347 | input.Strip(), input.Count())); | |
348 | oldDetector = detector; | |
349 | } | |
1a1fdef7 | 350 | fTree->Fill(); |
e802be3e | 351 | return; |
352 | ||
353 | } | |
1e8f773e | 354 | #endif |
e802be3e | 355 | |
356 | //____________________________________________________________________ | |
357 | // | |
358 | // EOF | |
359 | // |