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) 2014 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 28var GPSSensor = require('jsupm_ublox6'); 29 30// Instantiate a Ublox6 GPS device on uart 0. 31var myGPSSensor = new GPSSensor.Ublox6(0); 32 33if (!myGPSSensor.setupTty(GPSSensor.int_B9600)) 34{ 35 console.log("Failed to setup tty port parameters"); 36 process.exit(0); 37} 38 39// Collect and output NMEA data. 40 41// This device also supports numerous configuration options, which 42// you can set with writeData(). Please refer to the Ublox-6 data 43// sheet for further information on the formats of the data sent and 44// received, and the various operating modes available. 45 46var bufferLength = 256; 47var nmeaBuffer = new GPSSensor.charArray(bufferLength); 48 49function getGPSInfo() 50{ 51 // we don't want the read to block in this example, so always 52 // check to see if data is available first. 53 if (myGPSSensor.dataAvailable()) 54 { 55 var rv = myGPSSensor.readData(nmeaBuffer, bufferLength); 56 57 var GPSData, dataCharCode, isNewLine, lastNewLine; 58 var numlines= 0; 59 if (rv > 0) 60 { 61 GPSData = ""; 62 // read only the number of characters 63 // specified by myGPSSensor.readData 64 for (var x = 0; x < rv; x++) 65 GPSData += nmeaBuffer.getitem(x); 66 process.stdout.write(GPSData) 67 } 68 69 if (rv < 0) // some sort of read error occured 70 { 71 console.log("Port read error."); 72 process.exit(0); 73 } 74 } 75} 76 77setInterval(getGPSInfo, 100); 78 79// Print message when exiting 80process.on('SIGINT', function() 81{ 82 console.log("Exiting..."); 83 process.exit(0); 84}); 85