Last active
August 29, 2015 14:06
-
-
Save danasf/0616ca13d1f09e61aaa4 to your computer and use it in GitHub Desktop.
ledbot simulator
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!doctype html> | |
| <head> | |
| <title>LEDBOT SIMULATOR</title> | |
| <style type="text/css"> | |
| body { background:#333; color:#fff; } | |
| #leds { margin:20px; } | |
| </style> | |
| </head> | |
| <body> | |
| <canvas width="1200" height="600" id="leds"></canvas> | |
| <script src="/socket.io/socket.io.js"></script> | |
| <script> | |
| ;(function() { | |
| var socket = io('http://localhost'); | |
| var led = new LEDBoard("leds",64,32); | |
| socket.on('render', function (data) { | |
| led.draw(data.data); | |
| }); | |
| function LEDBoard(canvas,xSize,ySize) { | |
| this.can = document.getElementById(canvas); | |
| this.con = this.can.getContext('2d'); | |
| this.size = { x:xSize, y:ySize }; | |
| this.spacing = { x:5, y:5 }; | |
| this.radius = 10; | |
| } | |
| LEDBoard.prototype.draw = function(data) { | |
| this.con.clearRect(0,0,this.can.width,this.can.height); | |
| for(var x = 0; x < this.size.x; x++) { | |
| for(var y = 0; y < this.size.y; y++) { | |
| this.con.fillStyle = "#"+data[(y*this.size.x)+x]; | |
| this.con.fillRect(x*(this.radius+this.spacing.x),y*(this.radius+this.spacing.y),this.radius,this.radius); | |
| } | |
| } | |
| }; | |
| })(); | |
| </script> | |
| </body> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "name": "ledsim", | |
| "version": "0.0.0", | |
| "description": "ledbot sim", | |
| "main": "server.js", | |
| "dependencies": { | |
| "socket.io": "^1.0.6" | |
| }, | |
| "devDependencies": {}, | |
| "scripts": { | |
| "test": "echo \"Error: no test specified\" && exit 1", | |
| "start": "node server.js" | |
| }, | |
| "author": "", | |
| "license": "ISC" | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var net = require('net'), | |
| app = require('http').createServer(handler), | |
| io = require('socket.io')(app), | |
| fs =require('fs'); | |
| var HOST = '127.0.0.1'; | |
| var OPC_PORT = 7890; | |
| var WEB_PORT = 8080; | |
| // create OPC listener | |
| net.createServer(function(opc) { | |
| opc.on('data', function(data) { | |
| var buf = new Buffer(data,"hex"); | |
| var pixels = buf.slice(4,buf.length).toString("hex").match(/[\s\S]{1,6}/g) || []; | |
| io.sockets.emit('render', { len:pixels.length, data:pixels.reverse() }); | |
| }); | |
| opc.on('close', function(data) { | |
| console.log('CLOSED: ' + sock.remoteAddress +' '+ sock.remotePort); | |
| }); | |
| // web socket | |
| io.on('connection', function (socket) { | |
| console.log("new user connected!"); | |
| }); | |
| }).listen(OPC_PORT, HOST); | |
| console.log('OPC socket server listening on ' + HOST +':'+ OPC_PORT); | |
| console.log('Web server listening on ' + HOST +':'+ WEB_PORT); | |
| // web handler | |
| function handler (req, res) { | |
| fs.readFile(__dirname + '/index.html', | |
| function (err, data) { | |
| if (err) { | |
| res.writeHead(500); | |
| return res.end('Error loading index.html'); | |
| } | |
| res.writeHead(200); | |
| res.end(data); | |
| }); | |
| } | |
| app.listen(WEB_PORT,HOST); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment