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node-red-nodes/hardware/blink1/77-blink1.js

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module.exports = function(RED) {
"use strict";
var Blink1 = require("node-blink1");
var blink1 = {};
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function Blink1Node(n) {
RED.nodes.createNode(this,n);
this.serial = n.serial;
if (!this.serial) { delete this.serial; }
this.fade = Number(n.fade) || 500;
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if (this.fade < 0) { this.fade = 0; }
if (this.fade > 60000) { this.fade = 60000; }
var node = this;
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try {
var p1 = /^\#[A-Fa-f0-9]{6}$/
var p2 = /^[0-9]+,[0-9]+,[0-9]+$/
var p3 = /^[0-9]+,[0-9]+,[0-9]+,[0-2]$/
this.on("input", function(msg) {
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try {
blink1[node.serial||"one"] = blink1[node.serial||"one"] || new Blink1.Blink1(node.serial);
node.status({text:node.serial});
if (blink1[node.serial||"one"]) {
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var r,g,b;
try {
if (p1.test(msg.payload)) {
// if it is a hex colour string
r = parseInt(msg.payload.slice(1,3),16);
g = parseInt(msg.payload.slice(3,5),16);
b = parseInt(msg.payload.slice(5),16);
if (node.fade === 0) { blink1[node.serial||"one"].setRGB( r, g, b ); }
else { blink1[node.serial||"one"].fadeToRGB(node.fade, r, g, b ); }
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}
else if (p2.test(msg.payload)) {
// if it is a r,g,b triple
var rgb = msg.payload.split(',');
if (node.fade === 0) { blink1[node.serial||"one"].setRGB(parseInt(rgb[0])&255, parseInt(rgb[1])&255, parseInt(rgb[2])&255); }
else { blink1[node.serial||"one"].fadeToRGB(node.fade, parseInt(rgb[0])&255, parseInt(rgb[1])&255, parseInt(rgb[2])&255); }
}
else if (p3.test(msg.payload)) {
// if it is a r,g,b,index quad for a two led device
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var rgb2 = msg.payload.split(',');
blink1[node.serial||"one"].fadeToRGB(node.fade, parseInt(rgb2[0])&255, parseInt(rgb2[1])&255, parseInt(rgb2[2])&255, parseInt(rgb2[3])&3);
}
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else {
// you can add fancy colours by name here if you want...
// these are the @cheerlight ones.
var colors = {"red":"#FF0000","green":"#00FF00","blue":"#0000FF","cyan":"#00FFFF",
"white":"#FFFFFF","warmwhite":"#FDF5E6","oldlace":"#FDF5E6",
"purple":"#800080","magenta":"#FF00FF","pink":"#FF69B4",
"yellow":"#FFFF00","amber":"#FFD200","orange":"#FFA500",
"black":"#000000","off":"#000000"}
if (typeof(msg.payload) === "string") {
if (msg.payload.toLowerCase() in colors) {
var c = colors[msg.payload.toLowerCase()];
r = parseInt(c.slice(1,3),16);
g = parseInt(c.slice(3,5),16);
b = parseInt(c.slice(5),16);
if (node.fade === 0) { blink1[node.serial||"one"].setRGB( r, g, b ); }
else { blink1[node.serial||"one"].fadeToRGB(node.fade, r, g, b ); }
}
else { node.warn("Blink1 : invalid colour name : " + msg.payload); }
}
else { node.warn("Blink1 : invalid msg : "+msg.payload); }
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}
}
catch (e) { node.error("Blink1 : error"); blink1[node.serial||"one"] = null; }
}
else { node.warn("Blink1 : not found"); }
}
catch (e) { node.error("Blink1 : device not found"); blink1[node.serial||"one"] = null; }
});
this.on("close", function(done) {
if (blink1[node.serial||"one"] && typeof blink1[node.serial||"one"].close === "function") {
blink1[node.serial||"one"].close(function() { done() });
}
else { done(); }
blink1[node.serial||"one"] = null;
});
}
catch(e) {
node.error("No Blink1 found (" + e + ")");
}
}
RED.nodes.registerType("blink1",Blink1Node);
RED.httpAdmin.get("/blink1list", RED.auth.needsPermission('blink1.read'), function(req,res) {
res.json(Blink1.devices());
});
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}