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51 lines
1.1 KiB
JavaScript
51 lines
1.1 KiB
JavaScript
/*jslint node:true, vars:true, bitwise:true, unparam:true */
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/*jshint unused:true */
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/*
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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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var sensorObj = require('jsupm_hka5');
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// Instantiate a HKA5 sensor on uart 0. We don't use the set or
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// reset pins, so we pass -1 for them.
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var sensor = new sensorObj.HKA5(0, -1, -1);
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// update once every 2 seconds and output data
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setInterval(function()
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{
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sensor.update()
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console.log("PM 1 : "
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+ sensor.getPM1()
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+ " ug/m3");
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console.log("PM 2.5: "
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+ sensor.getPM2_5()
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+ " ug/m3");
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console.log("PM 10 : "
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+ sensor.getPM10()
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+ " ug/m3");
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console.log();
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}, 2000);
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// exit on ^C
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process.on('SIGINT', function()
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{
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sensor = null;
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sensorObj.cleanUp();
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sensorObj = null;
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console.log("Exiting.");
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process.exit(0);
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});
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