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*/
26
27var electromagnet_lib = require("jsupm_groveelectromagnet");
28// The was tested with the Grove Electromagnetic Module
29// Instantiate a Grove Electromagnet on digital pin D2
30var electromagnet_obj = new electromagnet_lib.GroveElectromagnet(2);
31console.log("Starting up magnet....");
32electromagnet_obj.off();
33
34var magnetState = false;
35
36// Turn magnet on and off every 5 seconds
37var myInterval = setInterval(function()
38{
39	magnetState = !magnetState;
40	if (magnetState)
41		electromagnet_obj.on();
42	else
43		electromagnet_obj.off();
44	console.log("Turning magnet " + ((magnetState) ? "on" : "off"));
45}, 5000);
46
47// When exiting: clear interval, turn off magnet, run memory cleanup, and print message
48process.on('SIGINT', function()
49{
50	clearInterval(myInterval);
51	electromagnet_obj.off();
52	electromagnet_obj = null;
53	electromagnet_lib.cleanUp();
54	electromagnet_lib = null;
55	console.log("Exiting...");
56	process.exit(0);
57});
58