ds18b20

<!doctype html> <html lang="en"> <head> <title>Code coverage report for lib/ds18b20.js</title> <meta charset="utf-8"> <link rel="stylesheet" href="../prettify.css"> <link rel="stylesheet" href="../base.css"> <style type='text/css'> div.coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class="header low"> <h1>Code coverage report for lib/ds18b20.js</h1> <h2> Statements: 12.24% (6 / 49)      Branches: 0% (0 / 20)      Functions: 0% (0 / 8)      Lines: 12.24% (6 / 49)      Ignored: none      </h2> <div class="path"><a href="../index.html">All files</a> » <a href="index.html">lib/</a> » ds18b20.js</div> </div> <div class="body"> <pre><table class="coverage"> <tr><td class="line-count">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97</td><td class="line-coverage">                        1                       1                                   1                     1                                 1                                       1            </td><td class="text"><pre class="prettyprint lang-js">'use strict';   // // Get and temperature from connected sensors. // // @chamerling //   var fs = require('fs');   var W1_FILE = '/sys/bus/w1/devices/w1_bus_master1/w1_master_slaves';   function parseHexData(data) { var arr = data.split(' ');   if (arr[1].charAt(0) === 'f') { var x = parseInt('0xffff' + arr[1].toString() + arr[0].toString(), 16); return (-((~x + 1) * 0.0625)); } else if (arr[1].charAt(0) === '0') { return parseInt('0x0000' + arr[1].toString() + arr[0].toString(), 16) * 0.0625; } throw new Error('Can not parse data'); }   function parseDecimalData(data) { var arr = data.split('\n');   if (arr[0].indexOf('YES') > -1) { var output = data.match(/t=(-?(\d+))/); return Math.round(output[1] / 100) / 10; } else if (arr[0].indexOf('NO') > -1) { return false; } throw new Error('Can not get temperature'); }   var parsers = { 'hex': parseHexData, 'decimal': parseDecimalData, 'default': parseDecimalData };   function parseData(data, options) { var parser = options.parser || 'default'; if (!parsers[parser]) { parser = 'default'; } return parsers[parser](data); } module.exports.parseData = parseData;   // Get all connected sensor IDs as array // @param callback(err, array) function sensors(callback) {   fs.readFile(W1_FILE, 'utf8', function(err, data) { if (err) { return callback(err); }   var parts = data.split('\n'); parts.pop(); return callback(null, parts); }); } module.exports.sensors = sensors;   // Get the temperature of a given sensor // @param sensor : The sensor ID // @param callback : callback (err, value) function temperature(sensor, options, callback) { if (options instanceof Function) { callback = options; options = {}; }   fs.readFile('/sys/bus/w1/devices/' + sensor + '/w1_slave', 'utf8', function(err, data) { if (err) { return callback(err); }   try { return callback(null, parseData(data, options)); } catch(e) { return callback(new Error('Can not read temperature for sensor ' + sensor)); } }); }; module.exports.temperature = temperature;   function temperatureSync(sensor, options) { options = options || {}; var data = fs.readFileSync('/sys/bus/w1/devices/' + sensor + '/w1_slave', 'utf8'); return parseData(data, options); }; module.exports.temperatureSync = temperatureSync;  </pre></td></tr> </table></pre> </div> <div class="footer"> <div class="meta">Generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri Oct 23 2015 22:43:33 GMT+0200 (CEST)</div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>