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db021fa970
This implements support for the Grove O2 (oxygen) sensor. Keeping with the current convention, as well as the current config Doxygen uses disallowing uppercase names, this sensor has been renamed from groveO2 to groveo2 for both files and folders. Signed-off-by: Zion Orent <zorent@ics.com> Signed-off-by: Jon Trulson <jtrulson@ics.com> Signed-off-by: John Van Drasek <john.r.van.drasek@intel.com>
53 lines
2.0 KiB
JavaScript
53 lines
2.0 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: Zion Orent <zorent@ics.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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var groveO2_lib = require("jsupm_groveo2");
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// The was tested with the O2 Oxygen Concentration Sensor Module
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// Instantiate a GroveO2 on analog pin A0
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var groveO2_obj = new groveO2_lib.GroveO2(0);
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var myInterval = setInterval(function()
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{
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console.log("The output voltage is: " + roundNum(groveO2_obj.voltageValue(), 5) + "mV");
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}, 100);
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function roundNum(num, decimalPlaces)
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{
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var extraNum = (1 / (Math.pow(10, decimalPlaces) * 1000));
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return (Math.round((num + extraNum) * (Math.pow(10, decimalPlaces))) / Math.pow(10, decimalPlaces));
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}
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// When exiting: clear interval, and print message
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process.on('SIGINT', function()
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{
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clearInterval(myInterval);
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groveO2_obj = null;
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groveO2_lib.cleanUp();
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groveO2_lib = null;
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console.log("Exiting...");
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process.exit(0);
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});
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