cylon/lib/device.js

66 lines
1.4 KiB
JavaScript

/*
* device
* cylonjs.com
*
* Copyright (c) 2013-2014 The Hybrid Group
* Licensed under the Apache 2.0 license.
*/
'use strict';
var Registry = require('./registry'),
Config = require('./config');
var testMode = function() {
return process.env.NODE_ENV === 'test' && Config.testMode;
};
// Public: Creates a new Device
//
// opts - object containing Device params
// name - string name of the device
// pin - string pin of the device
// robot - parent Robot to the device
// connection - connection to the device
// driver - string name of the module the device driver logic lives in
//
// Returns a new Device
module.exports = function Device(opts) {
var module;
if (opts.module) {
module = Registry.register(opts.module);
} else {
module = Registry.findByDriver(opts.driver);
}
opts.device = this;
if (!module) {
Registry.register('cylon-' + opts.driver);
module = Registry.findByDriver(opts.driver);
}
var driver = module.driver(opts);
for (var prop in driver) {
if (typeof driver[prop] === 'function') {
driver[prop] = driver[prop].bind(driver);
}
}
if (testMode()) {
var testDriver = Registry.findByDriver('test').driver(opts);
for (var prop in driver) {
if (typeof driver[prop] === 'function' && !testDriver[prop]) {
testDriver[prop] = function() { return true; };
}
}
return testDriver;
}
return driver;
};