aio.hpp

/*
 * Author: Brendan Le Foll <brendan.le.foll@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 <stdexcept>
#include "aio.h"

namespace mraa {

class Aio {
    public:
        Aio(unsigned int pin) {
            m_aio = mraa_aio_init(pin);
            if (m_aio == NULL) {
                throw std::invalid_argument("Invalid AIO pin specified - do you have an ADC?");
            }
        }
        ~Aio() {
            mraa_aio_close(m_aio);
        }
        int read() {
            return mraa_aio_read(m_aio);
        }
        mraa_result_t setBit(int bits) {
            return mraa_aio_set_bit(m_aio, bits);
        }
        int getBit() {
            return mraa_aio_get_bit(m_aio);
        }

    private:
        mraa_aio_context m_aio;
};

}