peripheral/libupm/examples/javascript/tex00.js

/*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_tex00');


/************** Main code **************/

console.log("Initializing...");

// Instantiate an TEX00 instance, using A0 for the analog input.  In
// this example, we are using a 10K Ohm balance resistor and a TED
// (10k type 2) thermistor.
var sensor = new sensorObj.TEX00(0, 10000, 
                                 sensorObj.TEX00.STYPE_THERMISTOR_TED);

console.log("Minimum temperature:", sensor.getTemperatureRangeMin(),
            "C");
console.log("Maximum temperature:", sensor.getTemperatureRangeMax(),
            "C");
console.log("");

// update and print available values every second
setInterval(function()
{
    // update our values from the sensor
    sensor.update();

    if (sensor.isOutOfRange())
    {
        console.log("Temperature out of range");
    }
    else
    {
        // we show both C and F for temperature
        console.log("Temperature:", sensor.getTemperature(),
                    "C /", sensor.getTemperature(true), "F");
    }

    console.log("");

}, 1000);


process.on('SIGINT', function()
{
    sensor = null;
    sensorObj.cleanUp();
    sensorObj = null;
    console.log("Exiting...");
    process.exit(0);
});