FedTimingTask.cc

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#include "DQM/SiStripCommissioningSources/interface/FedTimingTask.h"
#include "DataFormats/SiStripCommon/interface/SiStripHistoTitle.h"
#include "DQMServices/Core/interface/DQMStore.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

using namespace sistrip;

// -----------------------------------------------------------------------------
//
FedTimingTask::FedTimingTask( DQMStore* dqm,
                  const FedChannelConnection& conn ) :
  CommissioningTask( dqm, conn, "FedTimingTask" ),
  timing_(),
  nBins_(40) //@@ this should be from number of scope mode samples (mean booking in event loop and putting scope mode length in trigger fed)
{
  LogDebug("Commissioning") << "[FedTimingTask::FedTimingTask] Constructing object...";
}

// -----------------------------------------------------------------------------
//
FedTimingTask::~FedTimingTask() {
  LogDebug("Commissioning") << "[FedTimingTask::FedTimingTask] Destructing object...";
}

// -----------------------------------------------------------------------------
//
void FedTimingTask::book() {
  LogDebug("Commissioning") << "[FedTimingTask::book]";

  uint16_t nbins = 24 * nBins_; // 24 "fine" pll skews possible
  
  std::string title;
  
  title = SiStripHistoTitle( sistrip::EXPERT_HISTO, 
                 sistrip::FED_TIMING, 
                 sistrip::FED_KEY, 
                 fedKey(),
                 sistrip::LLD_CHAN, 
                 connection().lldChannel() ).title();

  timing_.histo( dqm()->bookProfile( title, title, 
                     nbins, -0.5, nbins*1.-0.5,
                     1025, 0., 1025. ) );
  
  timing_.vNumOfEntries_.resize(nbins,0);
  timing_.vSumOfContents_.resize(nbins,0);
  timing_.vSumOfSquares_.resize(nbins,0);
  
}

// -----------------------------------------------------------------------------
//
/*
  Some notes: 
  - use all samples 
  - extract number of samples from trigger fed
  - need to book histos in event loop?
  - why only use fine skew setting when filling histos? should use coarse setting as well?
  - why do different settings every 100 events - change more freq? 
*/
void FedTimingTask::fill( const SiStripEventSummary& summary,
              const edm::DetSet<SiStripRawDigi>& digis ) {
  LogDebug("Commissioning") << "[FedTimingTask::fill]";

  //@@ if scope mode length is in trigger fed, then 
  //@@ can add check here on number of digis
  if ( digis.data.size() < nBins_ ) {
    edm::LogWarning("Commissioning") << "[FedTimingTask::fill]" 
                     << " Unexpected number of digis! " 
                     << digis.data.size(); 
  } else {
    
    uint32_t pll_fine = summary.pllFine();
    for ( uint16_t coarse = 0; coarse < nBins_/*digis.data.size()*/; coarse++ ) {
      uint16_t fine = (coarse+1)*24 - (pll_fine+1);
      updateHistoSet( timing_, fine, digis.data[coarse].adc() );
    }

  }

}

// -----------------------------------------------------------------------------
//
void FedTimingTask::update() {
  LogDebug("Commissioning") << "[FedTimingTask::update]";
  updateHistoSet( timing_ );
}