1/*jslint node:true, vars:true, bitwise:true, unparam:true */
2/*jshint unused:true */
3/*
4* Author: Zion Orent <zorent@ics.com>
5* Copyright (c) 2015 Intel Corporation.
6*
7* Permission is hereby granted, free of charge, to any person obtaining
8* a copy of this software and associated documentation files (the
9* "Software"), to deal in the Software without restriction, including
10* without limitation the rights to use, copy, modify, merge, publish,
11* distribute, sublicense, and/or sell copies of the Software, and to
12* permit persons to whom the Software is furnished to do so, subject to
13* the following conditions:
14*
15* The above copyright notice and this permission notice shall be
16* included in all copies or substantial portions of the Software.
17*
18* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25*/
26var groveO2_lib = require("jsupm_groveo2");
27
28// The was tested with the O2 Oxygen Concentration Sensor Module
29// Instantiate a GroveO2 on analog pin A0
30var groveO2_obj = new groveO2_lib.GroveO2(0);
31
32var myInterval = setInterval(function()
33{
34	console.log("The output voltage is: " + roundNum(groveO2_obj.voltageValue(), 5) + "mV");
35}, 100);
36
37function roundNum(num, decimalPlaces)
38{
39	var extraNum = (1 / (Math.pow(10, decimalPlaces) * 1000));
40	return (Math.round((num + extraNum) * (Math.pow(10, decimalPlaces))) / Math.pow(10, decimalPlaces));
41}
42
43// When exiting: clear interval, and print message
44process.on('SIGINT', function()
45{
46	clearInterval(myInterval);
47	groveO2_obj = null;
48	groveO2_lib.cleanUp();
49	groveO2_lib = null;
50	console.log("Exiting...");
51	process.exit(0);
52});
53