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61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <iostream>
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#include <signal.h>
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#include "gp2y0a.hpp"
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#include "upm_utilities.h"
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using namespace std;
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bool shouldRun = true;
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// analog voltage, usually 3.3 or 5.0
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#define GP2Y0A_AREF 5.0
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#define SAMPLES_PER_QUERY 20
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void
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sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int
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main()
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// Note, for the Grove 80cm version of this sensor, due to the way
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// it is wired, you need to plug this into the A0 port, where it
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// will use the available A1 pin for data.
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// Instantiate a GP2Y0A on analog pin A1
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upm::GP2Y0A volts(1);
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// The higher the voltage (closer to AREF) the closer the object is. NOTE:
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// the measured voltage will probably not exceed 3.3 volts.
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// Every second, print the averaged voltage value (averaged over 20 samples).
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while (shouldRun) {
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cout << "AREF: " << GP2Y0A_AREF << ", Voltage value (higher means closer): "
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<< volts.value(GP2Y0A_AREF, SAMPLES_PER_QUERY) << endl;
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upm_delay(1);
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}
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//! [Interesting]
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cout << "Exiting" << endl;
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return 0;
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}
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