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/*
* 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 <unistd.h>
#include <iostream>
#include <signal.h>
#include "gp2y0a.hpp"
using namespace std;
bool shouldRun = true;
// analog voltage, usually 3.3 or 5.0
#define GP2Y0A_AREF 5.0
#define SAMPLES_PER_QUERY 20
void sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main()
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Note, for the Grove 80cm version of this sensor, due to the way
// it is wired, you need to plug this into the A0 port, where it
// will use the available A1 pin for data.
// Instantiate a GP2Y0A on analog pin A1
upm::GP2Y0A *volts = new upm::GP2Y0A(1);
// The higher the voltage (closer to AREF) the closer the object is. NOTE:
// the measured voltage will probably not exceed 3.3 volts.
// Every second, print the averaged voltage value (averaged over 20 samples).
while (shouldRun)
{
cout << "AREF: " << GP2Y0A_AREF
<< ", Voltage value (higher means closer): "
<< volts->value(GP2Y0A_AREF, SAMPLES_PER_QUERY) << endl;
sleep(1);
}
//! [Interesting]
cout << "Exiting" << endl;
delete volts;
return 0;
}
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