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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
16 /* $Id: AliTRDTriggerL0.cxx 31904 2009-04-08 16:42:03Z cblume $ */
17
18 ///////////////////////////////////////////////////////////////////////////////
19 //                                                                           //
20 // TRD trigger L0 (pretrigger) simulation                                    //
21 // So far no real trigger decision is done.                                  //
22 //                                                                           //
23 ///////////////////////////////////////////////////////////////////////////////
24
25 #include "TObjArray.h"
26
27 #include "AliLog.h"
28 #include "AliTriggerInput.h"
29 #include "AliRunLoader.h"
30 #include "AliLoader.h"
31
32 #include "AliTRDptrgParam.h"
33 #include "AliTRDptrgCBB.h"
34
35 #include "AliTRDTriggerL0.h"
36
37 AliTRDTriggerL0::AliTRDTriggerL0()
38 {
39   SetName("TRD");
40 }
41
42 AliTRDTriggerL0::~AliTRDTriggerL0()
43 {
44
45 }
46
47 void AliTRDTriggerL0::CreateInputs()
48 {
49   if (fInputs.GetEntriesFast() > 0)
50     return;
51
52   fInputs.AddLast(new AliTriggerInput("0HWU", "TRD", 1)); // TRD wake up
53   fInputs.AddLast(new AliTriggerInput("0HSG", "TRD", 1)); // single gap
54   fInputs.AddLast(new AliTriggerInput("0HDG", "TRD", 1)); // double gap
55 }
56
57 void AliTRDTriggerL0::Trigger()
58 {
59
60   AliRunLoader *runLoader = AliRunLoader::Instance();
61   if (!runLoader)
62     return;
63   AliLoader *trdLoader = runLoader->GetLoader("TRDLoader");
64   if (!trdLoader)
65     return;
66
67   AliTRDptrgParam* param = AliTRDptrgParam::Instance();
68
69   AliTRDptrgCBB* ptrgCBB = new AliTRDptrgCBB(runLoader, param, kDigits);
70
71   Int_t* simulationResult;
72   simulationResult = ptrgCBB->Simulate();
73   if (!simulationResult) {
74     return;
75   }
76   for (Int_t iResult = 1; iResult <= simulationResult[0]; iResult++) {
77     AliDebug(5, Form("Result[%d]=0x%x\n",iResult,simulationResult[iResult]));
78   }
79   if ((simulationResult[0] > 0) || (simulationResult[1] > 0)) { 
80     AliInfo("Fired single gap trigger");
81     SetInput("0HSG");
82   }
83
84   if (simulationResult[2] > 0) {
85     AliInfo("Fired  double gap trigger");
86     SetInput("0HDG");
87   }
88
89   if (simulationResult[3] > 0) {
90     AliInfo("Fired TRD wake up call trigger");
91     SetInput("0HWU");
92   }
93
94   delete ptrgCBB;
95   delete[] simulationResult;
96   simulationResult = 0x0;
97
98   AliDebug(5, Form("memory state: %d", param->CheckVariables()));
99 }