L1Topo/L1TopoRDO/L1TopoRDO/Header.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef L1TOPORDO_HEADER_H
#define L1TOPORDO_HEADER_H
 
#include <iostream>
#include <cstdint>
#include <utility>
 
namespace L1Topo {
  
  class Header {
  public:
    Header(const uint32_t version, const uint32_t active_fibres, const uint32_t payload_crc, const uint32_t fpga, const uint32_t last_block, const uint32_t bcn_sign, const uint32_t bcn_offset);
    Header(uint32_t word);
    uint32_t version() const;
    uint32_t active_fibres() const; 
    uint32_t payload_crc() const; 
    uint32_t fpga() const; 
    uint32_t last_block() const; 
    uint32_t bcn_sign() const;
    uint32_t bcn_offset() const;
    int bcn()  const;
    uint32_t word() const;
  protected:
    void decode();
    void encode();
  private:
    uint32_t m_version;
    uint32_t m_active_fibres; 
    uint32_t m_payload_crc; 
    uint32_t m_fpga; 
    uint32_t m_last_block; 
    uint32_t m_bcn_sign;
    uint32_t m_bcn_offset;
    int m_bcn;
    uint32_t m_word;
  };

  int signedBCN(const uint32_t sign, uint32_t offset);

  std::pair<uint32_t,uint32_t> signAndOffsetBCN(const int bcn);

  std::ostream& operator<<(std::ostream&, const Header&);
 
} // namespace L1Topo
 
 
 
#endif // L1TOPORDO_HEADER_H