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37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
/*
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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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var ad8232Sensor_lib = require('jsupm_ad8232');
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// Instantiate a AD8232 sensor on digital pins 10 (LO+), 11 (LO-)
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// and an analog pin, 0 (OUTPUT)
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var myAd8232Sensor_obj = new ad8232Sensor_lib.AD8232(10, 11, 0);
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// Output the raw numbers from the ADC, for plotting elsewhere.
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// A return of 0 indicates a Lead Off (LO) condition.
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// In theory, this data could be fed to software like Processing
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// (https://www.processing.org/) to plot the data just like an
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// EKG you would see in a hospital.
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var myInterval = setInterval(function()
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{
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console.log(myAd8232Sensor_obj.value());
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}, 1);
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// Print message when exiting
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process.on('SIGINT', function()
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{
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clearInterval(myInterval);
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myAd8232Sensor_obj = null;
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ad8232Sensor_lib.cleanUp();
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ad8232Sensor_lib = null;
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console.log("Exiting");
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process.exit(0);
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});
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