APDS9301.hpp

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/*
 * This file is part of the DUDS project. It is subject to the BSD-style
 * license terms in the LICENSE file found in the top-level directory of this
 * distribution and at https://github.com/jjackowski/duds/blob/master/LICENSE.
 * No part of DUDS, including this file, may be copied, modified, propagated,
 * or distributed except according to the terms contained in the LICENSE file.
 *
 * Copyright (C) 2018  Jeff Jackowski
 */
#ifndef APDS9301_HPP
#define APDS9301_HPP

#include <duds/hardware/interface/Smbus.hpp>
#include <duds/hardware/devices/DeviceErrors.hpp>
#include <duds/data/Quantity.hpp>

namespace duds { namespace hardware { namespace devices { namespace instruments {

struct APDS9301Error : DeviceError { };
struct APDS9301BadIntegration : APDS9301Error { };

class APDS9301 : boost::noncopyable {
    std::unique_ptr<duds::hardware::interface::Smbus> com;
    float actualPeriod;
    float scale;
    std::uint16_t broad, ir;
    struct {
        unsigned int hGain  : 1;
        unsigned int integTime : 2;
    };
    void startOrStop(int val);
public:
    APDS9301(std::unique_ptr<duds::hardware::interface::Smbus> &c);
    ~APDS9301();
    void init(float integration, bool hGain);
    void suspend();
    void resume();
    float period() const {
        return actualPeriod;
    }
    bool highGain() const {
        return hGain;
    }
    void sample();
    duds::data::Quantity maxIrradiance() const;
    duds::data::Quantity irradiance() const;
    std::uint16_t brightnessCount() const {
        return broad;
    }
    duds::data::Quantity irradianceIr() const;
    std::uint16_t brightnessIrCount() const {
        return ir;
    }
    duds::data::Quantity illuminance() const;
};

} } } }

#endif        //  #ifndef APDS9301_HPP