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) 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// Load ADC121C021 module 29var I2C_ADC = require('jsupm_adc121c021'); 30// Instantiate an ADC121C021 on I2C bus 0 31var busID = I2C_ADC.ADC121C021_I2C_BUS; 32var I2CAddr = I2C_ADC.ADC121C021_DEFAULT_I2C_ADDR; 33var myI2C_ADC = new I2C_ADC.ADC121C021(busID, I2CAddr); 34 35// get the data every 50 milliseconds 36var myInterval = setInterval(function() 37{ 38 var val = myI2C_ADC.value(); 39 var voltsVal = myI2C_ADC.valueToVolts(val); 40 console.log("ADC value: " + val + " Volts = " + voltsVal); 41}, 50); 42 43 44// Print message when exiting 45process.on('SIGINT', function() 46{ 47 clearInterval(myInterval); 48 myI2C_ADC = null; 49 I2C_ADC.cleanUp(); 50 I2C_ADC = null; 51 console.log("Exiting..."); 52 process.exit(0); 53}); 54