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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>WebSocket Test</title>
</head>
<body>
<script language="javascript" type="text/javascript">
var websocket = new WebSocket("ws://127.0.0.1:7890/")
var headerSize = 4;
var numPixels = 16;
var packet = new Uint8Array(headerSize + numPixels * 3);
frameCallback = function() {
if (websocket.readyState != 1) {
return;
}
var t = new Date().getTime();
for (var i = 0; i < numPixels; i++) {
var l = 0x80 + 0x70 * Math.sin(i * 0.2 + t * 0.001);
packet[headerSize + i*3 + 0] = l * 0.2;
packet[headerSize + i*3 + 1] = l * 1.0;
packet[headerSize + i*3 + 2] = l * 0.4;
}
websocket.send(packet.buffer);
websocket.send(JSON.stringify({
"type": "list_connected_devices"
}));
setTimeout(frameCallback, 100);
}
websocket.onopen = function(evt) {
console.log("Connected");
frameCallback();
}
websocket.onmessage = function(evt) {
console.log(evt.data);
}
</script>
</body>
</html>