EcalFEDErrorFilter.cc

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// -*- C++ -*-
//
// Package:    EcalFEDErrorFilter
// Class:      EcalFEDErrorFilter
// 
//
// Original Author:  Giovanni FRANZONI
//         Created:  Tue Jan 22 13:55:00 CET 2008
// $Id: EcalFEDErrorFilter.cc,v 1.5 2012/01/21 14:56:53 fwyzard Exp $
//
//

#include "CaloOnlineTools/EcalTools/plugins/EcalFEDErrorFilter.h"


//
// constructors and destructor
//
EcalFEDErrorFilter::EcalFEDErrorFilter(const edm::ParameterSet& iConfig) :
  HLTFilter(iConfig)
{
  //now do what ever initialization is needed

  DataLabel_     = iConfig.getParameter<edm::InputTag>("InputLabel");
  fedUnpackList_ = iConfig.getUntrackedParameter< std::vector<int> >("FEDs", std::vector<int>());
  if (fedUnpackList_.empty()) 
    for (int i=FEDNumbering::MINECALFEDID; i<=FEDNumbering::MAXECALFEDID; i++)
      fedUnpackList_.push_back(i);
}


EcalFEDErrorFilter::~EcalFEDErrorFilter()
{
 
  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)

}


//
// member functions
//

// ------------ method called on each new Event  ------------
bool
EcalFEDErrorFilter::hltFilter(edm::Event& iEvent, const edm::EventSetup& iSetup, trigger::TriggerFilterObjectWithRefs & filterproduct)
{
  using namespace edm;

  edm::Handle<FEDRawDataCollection> rawdata;  
  iEvent.getByLabel(DataLabel_,rawdata);

  // get fed raw data and SM id

  // loop over FEDS
  for (std::vector<int>::const_iterator i=fedUnpackList_.begin(); i!=fedUnpackList_.end(); i++) 
    {

      // get fed raw data and SM id
      const FEDRawData & fedData = rawdata->FEDData(*i);
      int length = fedData.size()/sizeof(uint64_t);
      
      //    LogDebug("EcalRawToDigi") << "raw data length: " << length ;
      //if data size is not null interpret data
      if ( length >= 1 )
    {
            uint64_t * pData = (uint64_t *)(fedData.data());
        //When crc error is found return true
        uint64_t * fedTrailer = pData + (length - 1);
        bool crcError = (*fedTrailer >> 2 ) & 0x1; 
        if (crcError)
          {
        std::cout << "CRCERROR in FED " << *i << " trailer is " << std::setw(8)   << std::hex << (*fedTrailer) << std::endl;
        return true;
          }
    }
    }
  
  return false;
}