1/*jslint node:true, vars:true, bitwise:true, unparam:true */
2/*jshint unused:true */
3/*global */
4/*
5* Author: Zion Orent <zorent@ics.com>
6* Copyright (c) 2015 Intel Corporation.
7*
8* Permission is hereby granted, free of charge, to any person obtaining
9* a copy of this software and associated documentation files (the
10* "Software"), to deal in the Software without restriction, including
11* without limitation the rights to use, copy, modify, merge, publish,
12* distribute, sublicense, and/or sell copies of the Software, and to
13* permit persons to whom the Software is furnished to do so, subject to
14* the following conditions:
15*
16* The above copyright notice and this permission notice shall be
17* included in all copies or substantial portions of the Software.
18*
19* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26*/
27
28var upmMQ5 = require("jsupm_gas");
29
30// Attach gas sensor to AIO0
31var myMQ5 = new upmMQ5.MQ5(0);
32
33var threshContext = new upmMQ5.thresholdContext;
34threshContext.averageReading = 0;
35threshContext.runningAverage = 0;
36threshContext.averagedOver = 2;
37
38// Infinite loop, ends when script is cancelled
39while(1)
40{
41    var buffer = new upmMQ5.uint16Array(128);
42    var len = myMQ5.getSampledWindow(2, 128, buffer);
43    if (len)
44    {
45        var thresh = myMQ5.findThreshold(threshContext, 30, buffer, len);
46        myMQ5.printGraph(threshContext, 5);
47        //if (thresh)
48        //    console.log("Threshold is " + thresh);
49    }
50}
51
52// Print message when exiting
53process.on('SIGINT', function()
54{
55	console.log("Exiting...");
56	process.exit(0);
57});
58