2015-08-25 15:52:10 -06:00
|
|
|
/*
|
|
|
|
* Author: Jon Trulson <jtrulson@ics.com>
|
|
|
|
* Copyright (c) 2015 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>
|
2017-08-30 15:00:29 -07:00
|
|
|
|
2016-04-25 14:27:51 -07:00
|
|
|
#include "mg811.hpp"
|
2017-08-30 15:00:29 -07:00
|
|
|
#include "upm_utilities.h"
|
2015-08-25 15:52:10 -06:00
|
|
|
|
|
|
|
using namespace std;
|
|
|
|
|
|
|
|
bool shouldRun = true;
|
|
|
|
|
2017-08-30 15:00:29 -07:00
|
|
|
#define MG811_AREF 5.0
|
2015-08-25 15:52:10 -06:00
|
|
|
|
2017-08-30 15:00:29 -07:00
|
|
|
void
|
|
|
|
sig_handler(int signo)
|
2015-08-25 15:52:10 -06:00
|
|
|
{
|
2017-08-30 15:00:29 -07:00
|
|
|
if (signo == SIGINT)
|
|
|
|
shouldRun = false;
|
2015-08-25 15:52:10 -06:00
|
|
|
}
|
|
|
|
|
2017-08-30 15:00:29 -07:00
|
|
|
int
|
|
|
|
main()
|
2015-08-25 15:52:10 -06:00
|
|
|
{
|
2017-08-30 15:00:29 -07:00
|
|
|
signal(SIGINT, sig_handler);
|
|
|
|
|
|
|
|
//! [Interesting]
|
|
|
|
|
|
|
|
// Instantiate an MG811 on analog pin A0, and digital pin D2 with an
|
|
|
|
// analog reference voltage of MG811_AREF (5.0)
|
|
|
|
upm::MG811 sensor(0, 2, MG811_AREF);
|
2015-08-25 15:52:10 -06:00
|
|
|
|
2017-08-30 15:00:29 -07:00
|
|
|
// Every tenth of a second, sample the sensor and output it's
|
|
|
|
// detected CO2 concentration in parts per million (ppm)
|
2015-08-25 15:52:10 -06:00
|
|
|
|
2017-08-30 15:00:29 -07:00
|
|
|
while (shouldRun) {
|
|
|
|
cout << "CO2 concentration in PPM: " << sensor.ppm() << endl;
|
2015-08-25 15:52:10 -06:00
|
|
|
|
2017-08-30 15:00:29 -07:00
|
|
|
upm_delay_us(100000);
|
2015-08-25 15:52:10 -06:00
|
|
|
}
|
|
|
|
|
2017-08-30 15:00:29 -07:00
|
|
|
//! [Interesting]
|
2015-08-25 15:52:10 -06:00
|
|
|
|
2017-08-30 15:00:29 -07:00
|
|
|
cout << "Exiting" << endl;
|
2015-08-25 15:52:10 -06:00
|
|
|
|
2017-08-30 15:00:29 -07:00
|
|
|
return 0;
|
2015-08-25 15:52:10 -06:00
|
|
|
}
|