grove.h

/*
 * Author: Brendan Le Foll <brendan.le.foll@intel.com>
 * Contributions: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
 * Contributions: Sarah Knepper <sarah.knepper@intel.com>
 * Copyright (c) 2014 Intel Corporation.
 *
 * 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 <mraa/aio.hpp>
#include <mraa/gpio.hpp>

#ifdef JAVACALLBACK
#include "../IsrCallback.h"
#endif

namespace upm {

class Grove {
    public:
        virtual ~Grove() {}
        std::string name()
        {
            return m_name;
        }
    protected:
        std::string m_name;
};

class GroveLed: public Grove {
    public:
        GroveLed(int pin);
        ~GroveLed();
        mraa_result_t write(int value);
        mraa_result_t off();
        mraa_result_t on();
    private:
        mraa_gpio_context m_gpio;
};

class GroveRelay: public Grove {
    public:
        GroveRelay(unsigned int pin);
        ~GroveRelay();
        mraa_result_t on();
        mraa_result_t off();
        bool isOn();
        bool isOff();
    private:
        mraa_gpio_context m_gpio;
};

class GroveTemp: public Grove {
    public:
        GroveTemp(unsigned int pin);
        ~GroveTemp();
        float raw_value();
        int value();
    private:
        mraa_aio_context m_aio;
};

class GroveLight: public Grove {
    public:
        GroveLight(unsigned int pin);
        ~GroveLight();
        float raw_value();
        int value();
    private:
        mraa_aio_context m_aio;
};

class GroveRotary: public Grove {
    public:
        GroveRotary(unsigned int pin);
        ~GroveRotary();
        float abs_value();
        float abs_deg();
        float abs_rad();
        float rel_value();
        float rel_deg();
        float rel_rad();
    private:
        mraa_aio_context m_aio;
        static const int m_max_angle = 300;
};

class GroveSlide: public Grove {
    public:
        GroveSlide(unsigned int pin, float ref_voltage = 5.0);
        ~GroveSlide();
        float raw_value();
        float voltage_value();
        float ref_voltage();
    private:
        mraa_aio_context m_aio;
        float m_ref_voltage;
};

class GroveButton: public Grove {
    public:
        GroveButton(unsigned int pin);
        ~GroveButton();
        std::string name();
        int value();

#if defined(SWIGJAVA) || defined(JAVACALLBACK)
        void installISR(mraa::Edge level, IsrCallback *cb);
#else
        void installISR(mraa::Edge level, void (*isr)(void *), void *arg);
#endif

        void uninstallISR();

    private:
#if defined(SWIGJAVA) || defined(JAVACALLBACK)
        void installISR(mraa::Edge level, void (*isr)(void *), void *arg);
#endif
        bool m_isrInstalled;
        std::string m_name;
        mraa_gpio_context m_gpio;
};

}