coverity fix for TFF geometry method
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALTriggerElectronics.cxx
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  *                                                                        *
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10  * copies and that both the copyright notice and this permission notice   *
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12  * about the suitability of this software for any purpose. It is          *
13  * provided "as is" without express or implied warranty.                  *
14  **************************************************************************/
15
16 /*
17  
18  
19 EMCal trigger electronics manager L0/L1
20 can handle both simulated digits and raw data
21 Author: R. GUERNANE LPSC Grenoble CNRS/IN2P3
22 */
23
24 #include "AliEMCALTriggerElectronics.h"
25 #include "AliEMCALTriggerTRU.h"
26 #include "AliEMCALTriggerSTU.h"
27 #include "AliEMCALGeometry.h"
28 #include "AliRunLoader.h"
29 #include "AliEMCAL.h" 
30 #include "AliRun.h" 
31 #include "AliEMCALTriggerDCSConfig.h"
32 #include "AliEMCALTriggerData.h"
33 #include "AliEMCALDigit.h"
34 #include "AliCaloRawStreamV3.h"
35 #include "AliEMCALTriggerSTURawStream.h"
36 #include "AliEMCALDigit.h"
37 #include "AliEMCALTriggerRawDigit.h"
38 #include "AliEMCALTriggerPatch.h"
39
40 #include <TVector2.h>
41 #include <TClonesArray.h>
42
43 namespace
44 {
45         const Int_t kNTRU = 32;
46 }
47
48 ClassImp(AliEMCALTriggerElectronics)
49
50 //__________________
51 AliEMCALTriggerElectronics::AliEMCALTriggerElectronics(const AliEMCALTriggerDCSConfig *dcsConf) : TObject(),
52 fTRU(new TClonesArray("AliEMCALTriggerTRU",32)),
53 fSTU(0x0)
54 {
55         TVector2 rSize;
56         
57         rSize.Set( 24.,  4. );
58
59         // 32 TRUs
60         for (Int_t i=0;i<kNTRU;i++) 
61         {
62                 AliEMCALTriggerTRUDCSConfig* truConf = dcsConf->GetTRUDCSConfig(i);
63                 new ((*fTRU)[i]) AliEMCALTriggerTRU(truConf, rSize, i % 2);
64         }
65         
66         rSize.Set( 48., 64. );
67         
68         // 1 STU
69         AliEMCALTriggerSTUDCSConfig* stuConf = dcsConf->GetSTUDCSConfig();
70         fSTU = new AliEMCALTriggerSTU(stuConf, rSize);
71         
72         TString str = "map";
73         for (Int_t i=0;i<kNTRU;i++) fSTU->Build(str,
74                                                                                         i,
75                                                                                         (static_cast<AliEMCALTriggerTRU*>(fTRU->At(i)))->Map(),
76                                                                                         (static_cast<AliEMCALTriggerTRU*>(fTRU->At(i)))->RegionSize() 
77                                                                                     );
78 }
79
80 //________________
81 AliEMCALTriggerElectronics::~AliEMCALTriggerElectronics()
82 {
83         //
84         fTRU->Delete();
85         delete fSTU;
86 }
87
88 //__________________
89 void AliEMCALTriggerElectronics::Digits2Trigger(TClonesArray* digits, const Int_t V0M[], AliEMCALTriggerData* data)
90 {
91         //
92         AliEMCALGeometry* geom = 0x0;
93         
94         AliRunLoader *rl = AliRunLoader::Instance();
95         if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL")){
96           AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
97           if(emcal)geom = emcal->GetGeometry();
98         }
99         
100         if(!geom) geom =  AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
101         
102         if(!geom) AliError("Cannot access geometry!");
103         
104         //      digits->Sort();
105         
106         Int_t region[48][64], posMap[48][64];
107         for (Int_t i = 0; i < 48; i++) for (Int_t j = 0; j < 64; j++) 
108         {
109                 region[i][j] =  0;
110                 posMap[i][j] = -1;
111         }
112         
113         for (Int_t i = 0; i < digits->GetEntriesFast(); i++)
114         {
115                 AliEMCALTriggerRawDigit* digit = (AliEMCALTriggerRawDigit*)digits->At(i);
116                 
117                 Int_t id = digit->GetId();
118                 
119                 Int_t iTRU, iADC;
120                 
121                 Bool_t isOK1 = geom->GetTRUFromAbsFastORIndex(id, iTRU, iADC);
122                 
123                 for (Int_t j = 0; j < digit->GetNSamples(); j++)
124                 {
125                         Int_t time, amp;
126                         Bool_t isOK2 = digit->GetTimeSample(j, time, amp);
127                         
128                         if (isOK1 && isOK2 && amp) (static_cast<AliEMCALTriggerTRU*>(fTRU->At(iTRU)))->SetADC(iADC, time, amp);
129                 }
130                 
131                 Int_t px, py;
132                 if (geom->GetPositionInEMCALFromAbsFastORIndex(id, px, py))
133                 {
134                         posMap[px][py] = i;
135                         
136                         if (fSTU->GetRawData() && digit->GetL1TimeSum() >= 0) 
137                         {
138                                 region[px][py] = digit->GetL1TimeSum();
139                         }
140                 }
141         }
142
143         Int_t iL0 = 0;
144
145         for (Int_t i=0; i<kNTRU; i++) 
146         {
147                 AliDebug(999, Form("===========< TRU %2d >============\n", i));
148                 
149                 AliEMCALTriggerTRU* iTRU = static_cast<AliEMCALTriggerTRU*>(fTRU->At(i));
150
151                 // L0 is always computed from F-ALTRO
152                 if (iTRU->L0()) 
153                 {
154                         iL0 += iTRU->L0();
155                         
156                         Int_t sizeX = (Int_t) ((iTRU->PatchSize())->X() * (iTRU->SubRegionSize())->X());
157                         
158                         Int_t sizeY = (Int_t) ((iTRU->PatchSize())->Y() * (iTRU->SubRegionSize())->Y());
159                         
160                         // transform local to global 
161                         TIter Next(&iTRU->Patches());
162                         while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)Next())
163                         {
164                                 Int_t px, py, id; p->Position(px, py);
165                                 
166                                 if (geom->GetAbsFastORIndexFromPositionInTRU(i, px, py, id) 
167                                         && 
168                                         geom->GetPositionInEMCALFromAbsFastORIndex(id, px, py)) p->SetPosition(px, py);
169                                 
170                                 if (!data->GetMode()) // Simulation
171                                 {
172                                         Int_t peaks = p->Peaks();
173                                         
174                                         Int_t pos;
175                                         AliEMCALTriggerRawDigit* dig = 0x0;
176                                         
177                                         for (Int_t j = 0; j < sizeX * sizeY; j++)
178                                         {
179                                                 if (peaks & (1 << j))
180                                                 {
181                                                         pos = posMap[px + j % sizeX][py + j / sizeX];
182                                                         
183                                                         if (pos == -1)
184                                                         {
185                                                                 // Add a new digit
186                                                                 new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
187                                                                 
188                                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
189                                                         }
190                                                         else
191                                                         {
192                                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
193                                                         }
194                                                         
195                                                         dig->SetL0Time(p->Time());
196                                                 }
197                                         }
198                                         
199                                         pos = posMap[px][py];
200                                         
201                                         if (pos == -1)
202                                         {
203                                                 // Add a new digit
204                                                 new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
205                                                 
206                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
207                                         }
208                                         else
209                                         {
210                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(pos);
211                                         }
212                                         
213                                         dig->SetTriggerBit(kL0,0);
214                                 }
215                         }
216                         
217                         data->SetL0Trigger(0, i, 1);
218                 }
219                 else
220                         data->SetL0Trigger(0, i, 0);
221         }
222
223         // A L0 has been issued, run L1
224         // Depending on raw data enabled or not in STU data: L1 computation 
225         // should be done from F-ALTRO or directly on TRU time sums in STU raw data
226         if (iL0) 
227         {
228                 // Use L1 threshold from raw data when reconstructing raw data
229                 if (data->GetMode())
230                 {
231                         fSTU->SetThreshold(kL1Gamma, data->GetL1GammaThreshold());
232                         fSTU->SetThreshold(kL1Jet,   data->GetL1JetThreshold()  );                      
233                 }
234                 else
235                 {
236                         fSTU->ComputeThFromV0(V0M); // C/A
237                         data->SetL1GammaThreshold(fSTU->GetThreshold(kL1Gamma));
238                         data->SetL1JetThreshold(  fSTU->GetThreshold(kL1Jet)  );
239                 }
240                 
241                 if (fSTU->GetRawData())
242                 {
243                         // Compute L1 from STU raw data
244                         fSTU->SetRegion(region);
245                 }
246                 else
247                 {
248                         // Build STU raw data from F-ALTRO
249                         TString str = "region";
250                         for (Int_t i = 0; i < kNTRU; i++) fSTU->Build(str,
251                                                                                                                   i, 
252                                                                                                                   (static_cast<AliEMCALTriggerTRU*>(fTRU->At(i)))->Region(), 
253                                                                                                                   (static_cast<AliEMCALTriggerTRU*>(fTRU->At(i)))->RegionSize());
254                 }
255
256                 fSTU->L1(kL1Gamma);
257                 
258                 Int_t id, px, py;
259                 AliEMCALTriggerRawDigit* dig = 0x0;
260                 
261                 TIterator* nP = 0x0;
262                 
263                 nP = (fSTU->Patches()).MakeIterator();
264                 
265                 while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)nP->Next()) 
266                 {                       
267                         p->Position(px, py);
268                         
269                         if (geom->GetAbsFastORIndexFromPositionInEMCAL(px, py, id))
270                         {
271                                 if (posMap[px][py] == -1)
272                                 {
273                                         // Add a new digit
274                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
275                                         
276                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
277                                 } 
278                                 else
279                                 {
280                                         dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[px][py]);                                                             
281                                 }
282                                 
283                                 dig->SetTriggerBit(kL1Gamma,0);
284                         }
285                 }
286
287                 fSTU->Reset();
288
289                 fSTU->L1(kL1Jet);
290                 
291                 nP = (fSTU->Patches()).MakeIterator();
292                 
293                 while (AliEMCALTriggerPatch* p = (AliEMCALTriggerPatch*)nP->Next()) 
294                 {                       
295                         p->Position(px, py);
296
297                         px *= (Int_t)((fSTU->SubRegionSize())->X());
298
299                         py *= (Int_t)((fSTU->SubRegionSize())->Y());
300                         
301                         if (geom->GetAbsFastORIndexFromPositionInEMCAL(px, py, id))
302                         {
303                                 if (posMap[px][py] == -1)
304                                 {
305                                         // Add a new digit
306                                         new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
307                                         
308                                         dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
309                                 } 
310                                 else
311                                 {
312                                         dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[px][py]);                                                             
313                                 }
314                                 
315                                 dig->SetTriggerBit(kL1Jet,0);
316                         }
317                 }
318                 
319                 Int_t** reg = fSTU->Region();
320                 
321                 if (!fSTU->GetRawData())
322                 {
323                         // Update digits w/ L1 time sum
324                         // Done in raw digit maker when raw data enabled
325                         for (Int_t i = 0; i < 48; i++)
326                         {
327                                 for (Int_t j = 0; j < 64; j++)
328                                 {
329                                         if (reg[i][j])
330                                         {
331                                                 if (geom->GetAbsFastORIndexFromPositionInEMCAL(i, j, id))
332                                                 {
333                                                         if (posMap[i][j] == -1)
334                                                         {
335                                                                 // Add a new digit with L1 time sum
336                                                                 new((*digits)[digits->GetEntriesFast()]) AliEMCALTriggerRawDigit(id, 0x0, 0);
337                                                                 
338                                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(digits->GetEntriesFast() - 1);
339                                                         } 
340                                                         else
341                                                         {
342                                                                 dig = (AliEMCALTriggerRawDigit*)digits->At(posMap[i][j]);                                                               
343                                                         }
344                                                         
345                                                         dig->SetL1TimeSum(reg[i][j]);
346                                                 }
347                                         }
348                                 }
349                         }
350                 }
351         }
352
353         if (AliDebugLevel() >= 999) data->Scan();
354         
355         // Now reset the electronics for a fresh start with next event
356         Reset();
357 }
358
359 //__________________
360 void AliEMCALTriggerElectronics::Reset()
361 {
362         //
363         TIter NextTRU(fTRU);
364         while ( AliEMCALTriggerTRU *TRU = (AliEMCALTriggerTRU*)NextTRU() ) TRU->Reset();
365         
366         fSTU->Reset();
367 }