1/*jslint node:true, vars:true, bitwise:true, unparam:true */
2/*jshint unused:true */
3/*
4 * Author: Jun Kato
5 * Contributions: Jon Trulson <jtrulson@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
28// Instantiate a Grove Circular LED on gpio pins 5 and 4
29var GCL = require("jsupm_grovecircularled");
30var circle = new GCL.GroveCircularLED(5, 4);
31var level = 0;
32
33// Show a spinner.
34var myInterval = setInterval(function()
35{
36    circle.setSpinner(level);
37    level = (level + 1) % 24;
38}, 100);
39
40// When exiting, clear interval and print message.
41process.on('SIGINT', function()
42{
43    clearInterval(myInterval);
44    circle.setLevel(0);
45    circle = null;
46    GCL.cleanUp();
47    console.log("Exiting...");
48    process.exit(0);
49});
50