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64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2015 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 "dfrph.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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#define DFRPH_AREF 5.0
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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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// Instantiate a DFRPH sensor on analog pin A0, with an analog
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// reference voltage of DFRPH_AREF
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upm::DFRPH sensor(0, DFRPH_AREF);
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// After calibration, set the offset (based on calibration with a pH
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// 7.0 buffer solution). See the UPM sensor documentation for
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// calibrations instructions.
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sensor.setOffset(0.065);
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// Every second, sample the pH and output it's corresponding
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// analog voltage.
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while (shouldRun) {
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cout << "Detected volts: " << sensor.volts() << endl;
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cout << "pH value: " << sensor.pH() << endl;
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cout << 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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