mirror of
https://github.com/eclipse/upm.git
synced 2025-03-24 09:20:39 +03:00
50 lines
1.4 KiB
JavaScript
50 lines
1.4 KiB
JavaScript
/*
|
|
* Author: Zion Orent <zorent@ics.com>
|
|
* Copyright (c) 2014 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
|
|
*/
|
|
|
|
// Load analog gyro module
|
|
var analogGyro = require('jsupm_enc03r');
|
|
// Instantiate a ENC03R on analog pin A0
|
|
var myGyro = new analogGyro.ENC03R(0);
|
|
|
|
var CALIBRATION_SAMPLES = 1000;
|
|
|
|
console.log("Please place the sensor in a stable location,\n" +
|
|
"and do not move it while calibration takes place.\n" +
|
|
"This may take a couple of minutes.");
|
|
|
|
myGyro.calibrate(CALIBRATION_SAMPLES);
|
|
console.log("Calibration complete. Reference value: " +
|
|
myGyro.calibrationValue());
|
|
|
|
// Read the input and print both the raw value and the angular velocity,
|
|
// waiting 0.1 seconds between readings
|
|
setInterval(function()
|
|
{
|
|
myGyro.update();
|
|
var outputStr = "Angular velocity: " +
|
|
roundNum(myGyro.angularVelocity(), 5) + " deg/s";
|
|
console.log(outputStr);
|
|
}, 100);
|
|
|
|
function roundNum(num, decimalPlaces)
|
|
{
|
|
var extraNum = (1 / (Math.pow(10, decimalPlaces) * 1000));
|
|
return (Math.round((num + extraNum) * (Math.pow(10, decimalPlaces))) /
|
|
Math.pow(10, decimalPlaces));
|
|
}
|
|
|
|
// Print message when exiting
|
|
process.on('SIGINT', function()
|
|
{
|
|
console.log("Exiting...");
|
|
process.exit(0);
|
|
});
|