/*
 * Author: Jon Trulson <jtrulson@ics.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.
 */

#include <iostream>
#include <signal.h>

#include "ehr.hpp"
#include "upm_utilities.h"

using namespace std;

int shouldRun = true;

void
sig_handler(int signo)
{
    if (signo == SIGINT)
        shouldRun = false;
}

int
main()
{
    signal(SIGINT, sig_handler);

    //! [Interesting]
    // Instantiate a  Ear-clip Heart Rate sensor on digital pin D2
    upm::EHR heart(2);

    // set the beat counter to 0, init the clock and start counting beats
    heart.clearBeatCounter();
    heart.initClock();
    heart.startBeatCounter();

    while (shouldRun) {
        // we grab these just for display purposes in this example
        uint32_t millis = heart.getMillis();
        uint32_t beats = heart.beatCounter();

        // heartRate() requires that at least 5 seconds pass before
        // returning anything other than 0
        int hr = heart.heartRate();

        // output milliseconds passed, beat count, and computed heart rate
        cout << "Millis: " << millis << " Beats: " << beats;
        cout << " Heart Rate: " << hr << endl;

        upm_delay(1);
    }

    heart.stopBeatCounter();
    //! [Interesting]

    cout << "Exiting..." << endl;

    return 0;
}
