Line data    Source code

       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           4 : AliTRDTriggerL0::AliTRDTriggerL0()
      38          20 : {
      39             :   // constructor
      40             : 
      41           4 :   SetName("TRD");
      42           8 : }
      43             : 
      44             : AliTRDTriggerL0::~AliTRDTriggerL0()
      45          16 : {
      46             :   // destructor
      47          16 : }
      48             : 
      49             : void AliTRDTriggerL0::CreateInputs()
      50             : {
      51             :   // create the L0 inputs which are provided by the TRD
      52             : 
      53           8 :   if (fInputs.GetEntriesFast() > 0)
      54             :     return;
      55             : 
      56          20 :   fInputs.AddLast(new AliTriggerInput("0HWU", "TRD", 1)); // TRD wake up
      57          20 :   fInputs.AddLast(new AliTriggerInput("0HSG", "TRD", 1)); // single gap
      58          20 :   fInputs.AddLast(new AliTriggerInput("0HDG", "TRD", 1)); // double gap
      59           8 : }
      60             : 
      61             : void AliTRDTriggerL0::Trigger()
      62             : {
      63             :   // do the actual trigger calculation
      64             : 
      65           8 :   AliRunLoader *runLoader = AliRunLoader::Instance();
      66           4 :   if (!runLoader)
      67           0 :     return;
      68           4 :   AliLoader *trdLoader = runLoader->GetLoader("TRDLoader");
      69           4 :   if (!trdLoader)
      70           0 :     return;
      71             : 
      72           4 :   AliTRDptrgParam* param = AliTRDptrgParam::Instance();
      73             : 
      74           4 :   AliTRDptrgCBB* ptrgCBB = new AliTRDptrgCBB(runLoader, param, AliTRDptrgParam::kDigits);
      75             : 
      76             :   Int_t* simulationResult;
      77           4 :   simulationResult = ptrgCBB->Simulate();
      78           4 :   if (!simulationResult) {
      79           0 :     return;
      80             :   }
      81          40 :   for (Int_t iResult = 1; iResult <= simulationResult[0]; iResult++) {
      82          48 :     AliDebug(5, Form("Result[%d]=0x%x\n",iResult,simulationResult[iResult]));
      83             :   }
      84           4 :   if ((simulationResult[0] > 0) || (simulationResult[1] > 0)) {
      85           4 :     AliInfo("Fired single gap trigger");
      86           4 :     SetInput("0HSG");
      87           4 :   }
      88             : 
      89           4 :   if (simulationResult[2] > 0) {
      90           4 :     AliInfo("Fired  double gap trigger");
      91           4 :     SetInput("0HDG");
      92           4 :   }
      93             : 
      94           4 :   if (simulationResult[3] > 0) {
      95           4 :     AliInfo("Fired TRD wake up call trigger");
      96           4 :     SetInput("0HWU");
      97           4 :   }
      98             : 
      99           8 :   delete ptrgCBB;
     100           8 :   delete[] simulationResult;
     101             :   simulationResult = 0x0;
     102             : 
     103          12 :   AliDebug(5, Form("memory state: %d", param->CheckVariables()));
     104           8 : }