CTF.h

Go to the documentation of this file.

// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef O2_FDD_CTF_H
#define O2_FDD_CTF_H
 
#include <vector>
#include <Rtypes.h>
#include "DetectorsCommonDataFormats/EncodedBlocks.h"
 
namespace o2
{
namespace fdd
{
 
struct CTFHeader : public o2::ctf::CTFDictHeader {
  uint32_t nTriggers = 0;  
  uint32_t firstOrbit = 0; 
  uint16_t firstBC = 0;    
 
  ClassDefNV(CTFHeader, 2);
};
 
struct CompressedDigits {
 
  CTFHeader header;
 
  // BC data
  std::vector<uint8_t> trigger;   // trigger bits
  std::vector<int16_t> bcInc;     // increment in BC if the same orbit, otherwise abs bc
  std::vector<int32_t> orbitInc;  // increment in orbit
  std::vector<uint8_t> nChan;     // number of fired channels
 
  // channel data
  std::vector<uint8_t> idChan;  // channels ID: 1st on absolute, then increment
  std::vector<int16_t> time;    // time
  std::vector<int16_t> charge;  // Amplitude
  std::vector<uint8_t> feeBits; // QTC chain
 
  CompressedDigits() = default;
 
  void clear();
 
  ClassDefNV(CompressedDigits, 2);
};
 
struct CTF : public o2::ctf::EncodedBlocks<CTFHeader, 8, uint32_t> {
 
  static constexpr size_t N = getNBlocks();
  enum Slots {
    BLC_trigger,  // trigger bits
    BLC_bcInc,    // increment in BC
    BLC_orbitInc, // increment in orbit
    BLC_nChan,    // number of fired channels
 
    BLC_idChan, // channels ID: 1st on absolute, then increment
    BLC_time,   // time
    BLC_charge, // amplitude
    BLC_feeBits // bits
  };
 
  ClassDefNV(CTF, 2);
};
 
} // namespace fdd
} // namespace o2
 
#endif