FLED.hpp

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/*
    Copyright (C) 2014-2016 Leosac
 
    This file is part of Leosac.
 
    Leosac is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Leosac is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Affero General Public License for more details.
 
    You should have received a copy of the GNU Affero General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#include <chrono>
#include <string>
#include <zmqpp/poller.hpp>
#include <zmqpp/socket.hpp>
 
namespace Leosac
{
namespace Hardware
{
 
class FLED
{
  public:
    struct State
    {
        State()
            : st(UNKNOWN)
            , duration(0)
            , speed(0)
            , value(false)
        {
        }
 
        enum
        {
            ON,
            OFF,
            BLINKING,
            UNKNOWN,
        } st;
 
        int64_t duration;
 
        int64_t speed;
 
        bool value;
    };
 
    FLED(zmqpp::context &ctx, const std::string &led_name);
 
    FLED(const FLED &) = delete;
 
    ~FLED() = default;
 
    bool turnOn(int duration);
 
    bool turnOn(std::chrono::milliseconds duration);
 
    bool turnOn();
 
    bool turnOff();
 
    bool toggle();
 
    bool blink();
 
    bool blink(std::chrono::milliseconds duration, std::chrono::milliseconds speed);
 
    bool blink(int duration, int speed);
 
    bool isOn();
 
    bool isOff();
 
    bool isBlinking();
 
    State state();
 
    zmqpp::socket &backend();
 
  private:
    zmqpp::socket backend_;
 
    zmqpp::poller poller_;
};
}
}