BMP280.hpp

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#pragma once

#include "bmp280.h"

#include <drivers/drv_hrt.h>
#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/px4_work_queue/ScheduledWorkItem.hpp>
#include <lib/drivers/barometer/PX4Barometer.hpp>
#include <lib/perf/perf_counter.h>

class BMP280 : public px4::ScheduledWorkItem
{
public:
    BMP280(bmp280::IBMP280 *interface);
    virtual ~BMP280();

    int         init();
    void            print_info();

private:
    void            Run() override;
    void            Start();
    void            Stop();

    int         measure(); //start measure
    int         collect(); //get results and publish

    PX4Barometer        _px4_baro;

    bmp280::IBMP280     *_interface;

    // set config, recommended settings
    static constexpr uint8_t    _curr_ctrl{BMP280_CTRL_P16 | BMP280_CTRL_T2};
    static constexpr uint32_t   _measure_interval{BMP280_MT_INIT + BMP280_MT *(16 - 1 + 2 - 1)};

    bool            _collect_phase{false};

    perf_counter_t      _sample_perf;
    perf_counter_t      _measure_perf;
    perf_counter_t      _comms_errors;

    bmp280::calibration_s   *_cal{nullptr}; //stored calibration constants
    bmp280::fcalibration_s  _fcal{}; //pre processed calibration constants
};