/* * Author: Jon Trulson * Copyright (c) 2016 Intel Corporation. * * This program and the accompanying materials are made available under the * terms of the The MIT License which is available at * https://opensource.org/licenses/MIT. * * SPDX-License-Identifier: MIT */ 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); });