Phase2TrackerFEDChannel.h

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#ifndef EventFilter_Phase2TrackerRawToDigi_Phase2TrackerPhase2TrackerFEDChannel_H  // {
#define EventFilter_Phase2TrackerRawToDigi_Phase2TrackerPhase2TrackerFEDChannel_H

#include "EventFilter/Phase2TrackerRawToDigi/interface/Phase2TrackerFEDDAQHeader.h"
#include "EventFilter/Phase2TrackerRawToDigi/interface/Phase2TrackerFEDDAQTrailer.h"
#include <cstdint>

namespace Phase2Tracker {

  // holds information about position of a channel in the buffer
  // for use by unpacker
  class Phase2TrackerFEDChannel {
    //forward declaration to avoid circular includes
    class Phase2TrackerFEDBuffer;

  public:
    Phase2TrackerFEDChannel(const uint8_t* const data, const size_t offset, const uint16_t length)
        : data_(data), offset_(offset), length_(length) {}

    //gets length from first 2 bytes (assuming normal FED channel)
    Phase2TrackerFEDChannel(const uint8_t* const data, const size_t offset);
    uint16_t length() const { return length_; }
    const uint8_t* data() const { return data_; }
    size_t offset() const { return offset_; }
    uint16_t cmMedian(const uint8_t apvIndex) const;

  private:
    friend class Phase2TrackerFEDBuffer;
    //third byte of channel data for normal FED channels
    uint8_t packetCode() const;
    const uint8_t* data_;
    size_t offset_;
    uint16_t length_;
  };  // end Phase2TrackerFEDChannel class

}  // namespace Phase2Tracker

#endif  // } end def EventFilter_Phase2TrackerRawToDigi_Phase2TrackerPhase2TrackerFEDChannel_H