ISL29125.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) 2017  Jeff Jackowski
 */
#ifndef ISL29125_HPP
#define ISL29125_HPP

#include <duds/hardware/interface/I2c.hpp>
#include <duds/hardware/interface/Conversation.hpp>

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

class ISL29125 : boost::noncopyable {
    std::unique_ptr<duds::hardware::interface::I2c> com;
    duds::hardware::interface::Conversation initialize;
    duds::hardware::interface::Conversation input;
    std::uint16_t r;
    std::uint16_t g;
    std::uint16_t b;
public:
    ISL29125(std::unique_ptr<duds::hardware::interface::I2c> &c);
    ~ISL29125();
    void init(bool wide = true);
    void suspend();
    void resume();
    void sample();

    // Not sure what the units are; may change with lux range and ADC sample
    // size. With the narrow, 375lux, range and 16-bit samples:
    //    red may be   (20/65536) uW/cm^2
    //    green may be (18/65536) uW/cm^2
    //    blue may be  (30/65536) uW/cm^2

    std::uint16_t red() const {
        return r;
    }
    std::uint16_t green() const {
        return g;
    }
    std::uint16_t blue() const {
        return b;
    }
};

} } } }

#endif        //  #ifndef ISL29125_HPP