upm/examples/javascript/nmea_gps_i2c.js
Mihai Tudor Panu 89d5de43e0 license: update to SPDX style license text throughout
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
2020-03-05 15:13:36 -08:00

48 lines
1.0 KiB
JavaScript

/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*
* Author: Jon Trulson <jtrulson@ics.com>
* 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_nmea_gps');
function sleepFor(millis)
{
var now = new Date().getTime();
while(new Date().getTime() < now + millis)
{
/* do nothing */
}
}
// Instantiate a NMEA_GPS UBLOX based i2c sensor on i2c bus 0 at
// address 0x42
var sensor = new sensorObj.NMEAGPS(0, 0x42);
// loop, dumping NMEA data out as fast as it comes in
while (true)
{
if (sensor.dataAvailable(0))
process.stdout.write(sensor.readStr(256));
else
sleepFor(10);
}
// exit on ^C
process.on('SIGINT', function()
{
sensor = null;
sensorObj.cleanUp();
sensorObj = null;
console.log("Exiting.");
process.exit(0);
});