65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
/**
|
|
* Copyright 2013 IBM Corp.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
**/
|
|
|
|
module.exports = function(RED) {
|
|
"use strict";
|
|
var blinkstick = require("blinkstick");
|
|
|
|
Object.size = function(obj) {
|
|
var size = 0;
|
|
for (var key in obj) { if (obj.hasOwnProperty(key)) { size++; } }
|
|
return size;
|
|
};
|
|
|
|
function BlinkStick(n) {
|
|
RED.nodes.createNode(this,n);
|
|
var p1 = /^\#[A-Fa-f0-9]{6}$/
|
|
var p2 = /[0-9]+,[0-9]+,[0-9]+/
|
|
this.led = blinkstick.findFirst(); // maybe try findAll() (one day)
|
|
var node = this;
|
|
|
|
this.on("input", function(msg) {
|
|
if (msg != null) {
|
|
if (Object.size(node.led) !== 0) {
|
|
try {
|
|
if (p2.test(msg.payload)) {
|
|
var rgb = msg.payload.split(",");
|
|
node.led.setColor(parseInt(rgb[0])&255, parseInt(rgb[1])&255, parseInt(rgb[2])&255);
|
|
}
|
|
else {
|
|
node.led.setColor(msg.payload.toLowerCase().replace(/\s+/g,''));
|
|
}
|
|
}
|
|
catch (err) {
|
|
node.warn("BlinkStick missing ?");
|
|
node.led = blinkstick.findFirst();
|
|
}
|
|
}
|
|
else {
|
|
//node.warn("No BlinkStick found");
|
|
node.led = blinkstick.findFirst();
|
|
}
|
|
}
|
|
});
|
|
if (Object.size(node.led) === 0) {
|
|
node.error("No BlinkStick found");
|
|
}
|
|
|
|
}
|
|
|
|
RED.nodes.registerType("blinkstick",BlinkStick);
|
|
}
|