CObservationRFID.h

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          https://www.mrpt.org/                         |
   |                                                                        |
   | Copyright (c) 2005-2019, Individual contributors, see AUTHORS file     |
   | See: https://www.mrpt.org/Authors - All rights reserved.               |
   | Released under BSD License. See: https://www.mrpt.org/License          |
   +------------------------------------------------------------------------+ */
#pragma once

#include <mrpt/obs/CObservation.h>
#include <mrpt/poses/CPose2D.h>
#include <mrpt/poses/CPose3D.h>
#include <mrpt/serialization/CSerializable.h>

namespace mrpt::obs
{
/** This represents one or more RFID tags observed by a receiver.
 *
 * \sa CObservation, mrpt::hwdrivers::CImpinjRFID for a software sensor capable
 * of reading this kind of observations.
 * \ingroup mrpt_obs_grp
 */
class CObservationRFID : public CObservation
{
    DEFINE_SERIALIZABLE(CObservationRFID)

   public:
    /** Constructor */
    CObservationRFID();

    /** @name The data members
     * @{ */
    /** The location of the sensing antenna on the robot coordinate framework */
    mrpt::poses::CPose3D sensorPoseOnRobot;

    /** Each of the individual readings of a RFID tag */
    struct TTagReading
    {
        TTagReading() = default;
        /** The power or signal strength as sensed by the RFID receiver (in dBm)
         */
        double power{-1000};
        /** EPC code of the observed tag */
        std::string epc;
        /** Port of the antenna that did the reading */
        std::string antennaPort;
    };

    /** The vector of individual tag observations */
    std::vector<TTagReading> tag_readings;

    inline uint32_t getNtags() const { return tag_readings.size(); }
    /** @} */

    void getSensorPose(mrpt::poses::CPose3D& out_sensorPose) const override;
    /** A general method to change the sensor pose on the robot.
     *  It has no effects in this class
     * \sa getSensorPose  */
    void setSensorPose(const mrpt::poses::CPose3D& newSensorPose) override;
    // See base class docs
    void getDescriptionAsText(std::ostream& o) const override;

};  // End of class def.

}  // namespace mrpt::obs