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72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 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 "dfrorp.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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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 DFRobot ORP sensor on analog pin A0 with an analog
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// reference voltage of 5.0.
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upm::DFRORP sensor(0, 5.0);
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// To calibrate:
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//
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// Disconnect the sensor probe (but leave the sensor interface board
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// connected). Then run one of the examples while holding down the
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// 'calibrate' button on the device. Read the ORP value reported
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// (it should be fairly small).
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//
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// This value is what you should supply to setCalibrationOffset().
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// Then reconnect the probe to the interface board and you should be
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// ready to go.
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//
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// DO NOT press the calibrate button on the interface board while
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// the probe is attached or you can permanently damage the probe.
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sensor.setCalibrationOffset(0.97);
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// Every second, update and print values
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while (shouldRun) {
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sensor.update();
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cout << "ORP: " << sensor.getORP() << " mV" << 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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