bmpx8x.hpp

/*
 * Author: Jon Trulson <jtrulson@ics.com>
 * Copyright (c) 2017 Intel Corporation.
 *
 * This driver was rewritten based on the original driver written by:
 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
 *
 * The MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#pragma once

#include <string>

#include "bmpx8x.h"

#include "interfaces/iPressureSensor.hpp"
#include "interfaces/iTemperatureSensor.hpp"

namespace upm {

    class BMPX8X : public IPressureSensor, public ITemperatureSensor {
    public:
        BMPX8X(int bus=BMPX8X_DEFAULT_I2C_BUS,
               int addr=BMPX8X_DEFAULT_I2C_ADDR);

        virtual ~BMPX8X();

        void update();

        void reset();

        void init(BMPX8X_OSS_T oss=BMPX8X_OSS_ULTRAHIGHRES);

        void setOversampling(BMPX8X_OSS_T oss=BMPX8X_OSS_ULTRAHIGHRES);

        int getPressure();

        float getTemperature();

        int getSealevelPressure(float meters);

        int getSealevelPressure()
        {
            return getSealevelPressure(getAltitude());
        }

        float getAltitude(int sealevelPressure = 101325);

        int getTemperatureCelsius()
        {
            update();
            return (int)getTemperature();
        }

        int getPressurePa()
        {
            update();
            return getPressure();
        }

        const char *getModuleName()
        {
            return "BMPX8X";
        }

    protected:
        // our underlying C context.
        bmpx8x_context m_bmpx8x;

        uint8_t readReg(uint8_t reg);

        int readRegs(uint8_t reg, uint8_t *buffer, int len);

        void writeReg(uint8_t reg, uint8_t val);

    private:
    };

}