cylon/lib/device.js

71 lines
1.5 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"),
_ = require("./lodash");
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);
_.forIn(driver, function(prop, name) {
if (name === "constructor") {
return;
}
if (_.isFunction(prop)) {
driver[name] = prop.bind(driver);
}
});
if (testMode()) {
var testDriver = Registry.findByDriver("test").driver(opts);
_.forIn(driver, function(prop, name) {
if (_.isFunction(prop) && !testDriver[name]) {
testDriver[name] = function() { return true; };
}
});
return testDriver;
}
return driver;
};