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maxsonarez.cxx
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maxsonarez.cxx
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/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2015 Intel Corporation.
*
* This program and the accompanying materials are made available under the
* terms of the The MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
*/
#include <iostream>
#include <signal.h>
#include "maxsonarez.hpp"
#include "upm_utilities.h"
using namespace std;
bool shouldRun = true;
#define MAXSONAREZ_AREF 5.0
void
sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int
main()
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a MaxSonarEZ on analog pin A1, with an analog
// reference voltage of MAXSONAREZ_AREF
upm::MAXSONAREZ sonar(1, MAXSONAREZ_AREF);
// Every second, sample the sonar and output the distance to an
// object in inches.
// With the EZ3 version, the minimum and maximum ranges seemed to be
// between 6 and 33 inches
while (shouldRun) {
cout << "AREF: " << MAXSONAREZ_AREF << ", distance in inches: " << sonar.inches() << endl;
upm_delay(1);
}
//! [Interesting]
cout << "Exiting" << endl;
return 0;
}