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67 lines
1.5 KiB
C++
67 lines
1.5 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 "upm_utilities.h"
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#include "wfs.hpp"
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using namespace std;
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int 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 Water Flow Sensor on digital pin D2. This must
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// be an interrupt capable pin.
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upm::WFS flow(2);
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// set the flow counter to 0 and start counting
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flow.clearFlowCounter();
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flow.startFlowCounter();
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while (shouldRun) {
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// we grab these (millis and flowCount) just for display
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// purposes in this example
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uint32_t millis = flow.getMillis();
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uint32_t flowCount = flow.flowCounter();
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float fr = flow.flowRate();
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// output milliseconds passed, flow count, and computed flow rate
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cout << "Millis: " << millis << " Flow Count: " << flowCount;
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cout << " Flow Rate: " << fr << " LPM" << endl;
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// best to gather data for at least one second for reasonable
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// results.
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upm_delay(2);
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}
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flow.stopFlowCounter();
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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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