upm/examples/javascript/mma7361.js

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/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*
* Author: Jon Trulson <jtrulson@ics.com>
* 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_mma7361');
// Instantiate a MMA7361 sensor on analog pins A0 (X), A1 (Y) A2
// (Z), selftest pin on D2, sleep pin on D3 nd an analog reference
// value of 5.0. The freefall pin and the range pin are unused
// (-1).
var sensor = new sensorObj.MMA7361(0, 1, 2, 2, 3, -1, -1, 5.0);
var x = new sensorObj.new_floatp();
var y = new sensorObj.new_floatp();
var z = new sensorObj.new_floatp();
// 1.5g (true = 6g)
sensor.setRange(false);
// Every 10th of a second, update and print values
setInterval(function()
{
// update our values from the sensor
sensor.update();
sensor.getAcceleration(x, y, z);
console.log("Accelerometer x: "
+ sensorObj.floatp_value(x)
+ " y: " + sensorObj.floatp_value(y)
+ " z: " + sensorObj.floatp_value(z));
sensor.getVolts(x, y, z);
console.log("Volts x: "
+ sensorObj.floatp_value(x)
+ " y: " + sensorObj.floatp_value(y)
+ " z: " + sensorObj.floatp_value(z));
console.log();
}, 100);
// exit on ^C
process.on('SIGINT', function()
{
sensor = null;
sensorObj.cleanUp();
sensorObj = null;
console.log("Exiting.");
process.exit(0);
});