1765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang/*jslint node:true, vars:true, bitwise:true, unparam:true */ 2765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang/*jshint unused:true */ 3765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang/* 4765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* Author: Zion Orent <zorent@ics.com> 5765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* Copyright (c) 2014 Intel Corporation. 6765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* 7765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* Permission is hereby granted, free of charge, to any person obtaining 8765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* a copy of this software and associated documentation files (the 9765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* "Software"), to deal in the Software without restriction, including 10765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* without limitation the rights to use, copy, modify, merge, publish, 11765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* distribute, sublicense, and/or sell copies of the Software, and to 12765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* permit persons to whom the Software is furnished to do so, subject to 13765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* the following conditions: 14765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* 15765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* The above copyright notice and this permission notice shall be 16765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* included in all copies or substantial portions of the Software. 17765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* 18765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang*/ 26765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 27765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangvar voltageDivider = require('jsupm_grovevdiv'); 28765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang// Instantiate a Grove Voltage Divider sensor on analog pin A0 29765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangvar myVoltageDivider = new voltageDivider.GroveVDiv(0); 30765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 31765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang// collect data and output measured voltage according to the setting 32765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang// of the scaling switch (3 or 10) 33765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangvar val, gain3val, gain10val; 34765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangfunction getVoltageInfo() 35765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang{ 36765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang val = myVoltageDivider.value(100); 37765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang gain3val = myVoltageDivider.computedValue(3, val); 38765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang gain10val = myVoltageDivider.computedValue(10, val); 39765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang console.log("ADC value: " + val + " Gain 3: " + gain3val 40765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang + "v Gain 10: " + gain10val + "v"); 41765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 42765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 43765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangsetInterval(getVoltageInfo, 1000); 44765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 45765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang// Print message when exiting 46765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangprocess.on('SIGINT', function() 47765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang{ 48765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang myVoltageDivider = null; 49765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang voltageDivider.cleanUp(); 50765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang voltageDivider = null; 51765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang console.log("Exiting..."); 52765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang process.exit(0); 53765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang}); 54