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) 2014 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 voltageDivider = require('jsupm_grovevdiv');
28// Instantiate a Grove Voltage Divider sensor on analog pin A0
29var myVoltageDivider = new voltageDivider.GroveVDiv(0);
30
31// collect data and output measured voltage according to the setting
32// of the scaling switch (3 or 10)
33var val, gain3val, gain10val;
34function getVoltageInfo()
35{
36	val = myVoltageDivider.value(100);
37	gain3val = myVoltageDivider.computedValue(3, val);
38	gain10val = myVoltageDivider.computedValue(10, val);
39	console.log("ADC value: " + val + " Gain 3: " + gain3val
40				+ "v Gain 10: " + gain10val + "v");
41}
42
43setInterval(getVoltageInfo, 1000);
44
45// Print message when exiting
46process.on('SIGINT', function()
47{
48	myVoltageDivider = null;
49	voltageDivider.cleanUp();
50	voltageDivider = null;
51	console.log("Exiting...");
52	process.exit(0);
53});
54