67 lines
1.5 KiB
JavaScript
67 lines
1.5 KiB
JavaScript
const dgram = require('dgram');
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function EnttecODE(deviceId = '127.0.0.1', options = {}) {
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const self = this;
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self.header = new Buffer([65, 114, 116, 45, 78, 101, 116, 0, 0, 80, 0, 14]);
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self.sequence = new Buffer([0]);
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self.physical = new Buffer([0]);
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self.universeId = new Buffer([0x00, 0x00]);
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self.length = new Buffer([0x02, 0x00]);
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self.universe = new Buffer(513);
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self.universe.fill(0);
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self.sleepTime = 24;
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self.universe_id.writeInt16LE(options.universe || 0, 0);
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self.host = deviceId;
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self.port = options.port || 6454;
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self.dev = dgram.createSocket('udp4');
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self.dev.bind(() => self.dev.setBroadcast(true));
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self.start();
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}
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EnttecODE.prototype.sendUniverse = function () {
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const pkg = Buffer.concat([
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this.header,
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this.sequence,
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this.physical,
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this.universe_id,
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this.length,
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this.universe.slice(1),
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]);
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this.dev.send(pkg, 0, pkg.length, this.port, this.host);
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};
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EnttecODE.prototype.start = function () {
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this.timeout = setInterval(this.sendUniverse.bind(this), this.sleepTime);
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};
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EnttecODE.prototype.stop = function () {
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clearInterval(this.timeout);
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};
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EnttecODE.prototype.close = function (cb) {
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this.stop();
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cb(null);
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};
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EnttecODE.prototype.update = function (u) {
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for (const c in u) {
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this.universe[c] = u[c];
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}
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};
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EnttecODE.prototype.updateAll = function (v) {
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for (const i = 1; i <= 512; i++) {
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this.universe[i] = v;
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}
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};
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EnttecODE.prototype.get = function (c) {
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return this.universe[c];
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};
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module.exports = EnttecODE;
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