/* * Author: Jon Trulson * Copyright (c) 2016 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ var sensorObj = require('jsupm_rhusb'); /************** Main code **************/ var defaultDev = "/dev/ttyUSB0"; // if an argument was specified, use it as the device instead if (process.argv.length > 2) { defaultDev = process.argv[2]; } console.log("Using device " + defaultDev); console.log("Initializing..."); // Instantiate an RHUSB instance on defaultDev var sensor = new sensorObj.RHUSB(defaultDev); // output the firmware ID console.log("Firmware ID:", sensor.getFirmwareID()); console.log(""); // update and print available values every second setInterval(function() { // update our values from the sensor sensor.update(); // we show both C and F for temperature console.log("Temperature:", sensor.getTemperature(), "C /", sensor.getTemperature(true), "F"); console.log("Humidity:", sensor.getHumidity(), "%"); console.log(""); }, 1000); process.on('SIGINT', function() { sensor = null; sensorObj.cleanUp(); sensorObj = null; console.log("Exiting..."); process.exit(0); });