50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
var protocol = require('./protocol');
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var dgram = require('dgram');
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var on = 0;
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var speed = 256;
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function lsb(value) { return value & 0xFF; }
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function msb(value) { return (value >> 8) & 0xFF; }
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/*
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Alternating
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var message = new Buffer([protocol.Command.SetMode, protocol.Mode.Alternate, lsb(500), msb(500), lsb(128), msb(128)]);
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client.send(message, 0, message.length, 3126, '10.138.2.12', function(err, bytes) {
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if (err) throw err;
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console.log('UDP message sent');
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});
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*/
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var client = dgram.createSocket('udp4');
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client.on('listening', function()
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{
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var address = client.address();
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console.log('UDP client listening on ' + address.address + ":" + address.port);
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});
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client.on('message', function (message, remote)
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{
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console.log('< ' + remote.address + ':' + remote.port +' - ' + message.toString('hex'));
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});
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setInterval(function()
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{
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// 0x00, 0x10 = 4096
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on += speed;
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if (on <= 0 || on >= 4096)
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speed = -speed;
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var message = new Buffer([protocol.Command.SetMode, protocol.Mode.Static, lsb(on), msb(on)]);
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client.send(message, 0, message.length, 3126, '10.138.2.12', function(err, bytes) {
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if (err) throw err;
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console.log('> ' + '10.138.2.12' + ':' + '3126' + ' - ' + message.toString('hex'));
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});
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}, 200); |