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) 2014 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 touchSensor = require('jsupm_mpr121');
29
30var myTouchSensor = new touchSensor.MPR121(touchSensor.MPR121_I2C_BUS, touchSensor.MPR121_DEFAULT_I2C_ADDR);
31
32myTouchSensor.configAN3944();
33
34setInterval(function()
35{
36	myTouchSensor.readButtons();
37	printButtons(myTouchSensor);
38}, 1000);
39
40function printButtons(touchSensor)
41{
42	var buttonPressed = false;
43
44	var outputStr = "Buttons Pressed: ";
45	for (var i=0; i<12; i++)
46	{
47		if (touchSensor.m_buttonStates & (1 << i))
48		{
49			outputStr += (i + " ");
50			buttonPressed = true;
51		}
52	}
53
54	if (!buttonPressed)
55		outputStr += "None";
56
57	console.log(outputStr);
58
59	if (touchSensor.m_overCurrentFault)
60		console.log("Over Current Fault detected!");
61}
62
63// Print message when exiting
64process.on('SIGINT', function()
65{
66	console.log("Exiting...");
67	process.exit(0);
68});
69
70