dmx-flok/drivers/artnet.js

70 lines
1.4 KiB
JavaScript

"use strict"
const dgram = require('dgram');
const ARTNET = {
PORT : 6454,
HOST : "127.0.0.1"
}
function EnttecODE(device_id, cb) {
var self = this
self.header = new Buffer([65, 114, 116, 45, 78, 101, 116, 0, 0, 80, 0, 14]);
self.sequence = self.physical = new Buffer([0]);
self.length = new Buffer([0x02,0x00]);
cb = cb || function() {}
this.universe = new Buffer(512)
this.universe.fill(0)
self.sleepTime = 24
self.timeout
self.dev = dgram.createSocket('udp4');
self.start();
// self.dev.bind(6454, function() {
// });
}
EnttecODE.prototype.send_universe = function() {
var pkg = Buffer.concat([this.header, this.sequence, this.physical,this.length,this.universe]);
this.dev.send(pkg, 0, pkg.length, ARTNET.PORT, ARTNET.HOST, function() {
// Package Sent
});
}
EnttecODE.prototype.start = function() {
this.timeout = setInterval(this.send_universe.bind(this), this.sleepTime)
}
EnttecODE.prototype.stop = function() {
clearInterval(this.timeout)
}
EnttecODE.prototype.close = function(cb) {
this.stop()
this.dev.close(cb)
}
EnttecODE.prototype.update = function(u) {
for (var c in u) {
this.universe[c] = u[c]
}
}
EnttecODE.prototype.updateAll = function(v) {
for (var i = 0; i < 512; i++) {
this.universe[i] = v
}
}
EnttecODE.prototype.get = function(c) {
return this.universe[c]
}
module.exports = EnttecODE