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/*
* 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 <unistd.h>
#include <iostream>
#include <signal.h>
#include "mhz16.h"
using namespace std;
bool shouldRun = true;
void sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main (int argc, char **argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a MHZ16 serial CO2 sensor on uart 0.
// This example was tested on the Grove CO2 sensor module.
upm::MHZ16* co2 = new upm::MHZ16(0);
// make sure port is initialized properly. 9600 baud is the default.
if (!co2->setupTty(B9600))
{
cerr << "Failed to setup tty port parameters" << endl;
return 1;
}
cout << "Make sure that the sensor has had at least 3 minutes to warm up"
<< endl;
cout << "or you will not get valid results." << endl;
cout << "The temperature reported is not the ambient temperature, " << endl;
cout << "but rather the temperature of the sensor elements." << endl;
sleep(1);
while (shouldRun)
{
if(!co2->getData()){
cerr << "Failed to retrieve data" << endl;
continue;
}
cout << "CO2 concentration: " << co2->getGas() << " PPM, "
<< "Temperature (in C): " << co2->getTemperature() <<endl;
sleep(2);
}
//! [Interesting]
cout << "Exiting..." << endl;
delete co2;
return 0;
}
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