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56 lines
1.2 KiB
JavaScript
56 lines
1.2 KiB
JavaScript
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016-2017 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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var sensorObj = require('jsupm_ds18b20');
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/************** Main code **************/
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console.log("Initializing...");
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// Instantiate an DS18B20 instance using the default values (uart 0)
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var sensor = new sensorObj.DS18B20(0);
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console.log("Found", sensor.devicesFound(), "device(s)");
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console.log("");
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if (!sensor.devicesFound())
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{
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process.exit(1);
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}
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// update and print available values every 2 seconds
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setInterval(function()
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{
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// update our values for all of the detected sensors
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sensor.update(-1);
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// we show both C and F for temperature for the sensors
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for (var i=0; i<sensor.devicesFound(); i++)
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{
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console.log("Device:", i, "Temperature:", sensor.getTemperature(i),
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"C /", sensor.getTemperature(i, true), "F");
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}
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console.log();
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}, 2000);
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process.on('SIGINT', function()
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{
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sensor = null;
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sensorObj.cleanUp();
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sensorObj = null;
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console.log("Exiting...");
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process.exit(0);
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});
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