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add basic websocket

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j3d1 2021-07-19 20:51:03 +02:00
parent 54330840f4
commit 779ac875f9
1 changed files with 238 additions and 0 deletions
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>fiatlux v0.2</title>
<link rel="stylesheet" href="css/picnic.min.css">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<nav>
<a href="#" class="brand">
<span>fiatlux v0.2</span>
<span class="label warning" id="status_box">Loading...</span>
</a>
</nav>
<main data-page="dashboard" id="page">
<section id="dashboard">
<h2>Status</h2>
<div class="flex">
<div>
<article class="card">
<header>
<h3>System</h3>
</header>
<div class="table">
<div class="row">
<span>Chip ID</span>
<span><span class="postfill_chipid">N/A</span></span>
</div>
<div class="row">
<span>Hostname</span>
<span><span class="postfill_hostname">N/A</span></span>
</div>
<div class="row">
<span>Firmware Version</span>
<span>N/A</span>
</div>
<div class="row">
<span>Flash ID</span>
<span><span class="postfill_flashid">N/A</span></span>
</div>
<div class="row">
<span>Flash size</span>
<span><span class="postfill_flashsize">N/A</span> KiB</span>
</div>
<div class="row">
<span>Free heap</span>
<span><span class="postfill_heap">N/A</span> bytes</span>
</div>
<div class="row">
<span>Uptime</span>
<span><span class="postfill_uptime">N/A</span> s</span>
</div>
</div>
</article>
</div>
<div>
<article class="card">
<header>
<h3>Network <span class="label success postfill_clientip">current connection</span></h3>
</header>
<div class="table">
<div class="row">
<span>Mode</span>
<span><span class="postfill_opmode">N/A</span></span>
</div>
<div class="row">
<span>Station SSID</span>
<span><span class="postfill_stassid">N/A</span></span>
</div>
<div class="row">
<span>Station IP</span>
<span><span class="postfill_staip">N/A</span></span>
</div>
<div class="row">
<span>Station MAC</span>
<span><span class="postfill_stamac">N/A</span></span>
</div>
<div class="row">
<span>AP SSID</span>
<span><span class="postfill_apssid">N/A</span></span>
</div>
<div class="row">
<span>AP IP</span>
<span><span class="postfill_apip">N/A</span></span>
</div>
<div class="row">
<span>AP MAC</span>
<span><span class="postfill_apmac">N/A</span></span>
</div>
</div>
</article>
</div>
<div>
<article class="card">
<header>
<h3>Power</h3>
</header>
<div class="table">
<div class="row">
<span>Input</span>
<span><span class="label success">5V</span><span class="label success">12V</span></span>
</div>
<div class="row">
<span>Output</span>
<span><span class="label warning"><span id="out_voltage">11.2</span>V</span></span>
</div>
</div>
<canvas id="chartCanvas" style="height:100px"></canvas>
</article>
</div>
</div>
</section>
</main>
<div id="unused_values" style="display:none;"></div>
<script type="text/javascript" src="js/smoothie_min.js"></script>
<script>
var menu = document.getElementById("bmenub");
var voltage = document.getElementById("out_voltage");
var unused_values = {};
DataView.prototype.setChar = function(pos, char) {
this.setInt8(pos++, char.charCodeAt(0));
return pos;
};
DataView.prototype.setString = function(pos, str) {
for(var i = 0; i < str.length; i++) {
this.setInt8(pos++, str.charCodeAt(i));
}
this.setInt8(pos++, 0);
return pos;
};
var ws;
var retries;
var series = new TimeSeries();
function setMsg(cls, text) {
sbox = document.getElementById('status_box');
sbox.className = "label " + cls;
sbox.innerHTML = text;
console.log(text);
}
function startPolling() {
var chart = new SmoothieChart({
millisPerPixel: 111, grid: {fillStyle: '#ffffff', strokeStyle: '#ffffff', borderVisible: false},
labels: {fillStyle: '#000000'}, maxValue: 1024, minValue: 0
});
chart.addTimeSeries(series, {lineWidth: 2, strokeStyle: '#03a9f4', fillStyle: '#f1f5fa'});
var canvas = document.getElementById("chartCanvas");
canvas.width = canvas.clientWidth;
canvas.height = canvas.clientHeight;
chart.streamTo(canvas, 500);
}
function onMessage(evt) {
retries = 0;
if (typeof evt.data == 'string') {
var data = JSON.parse(evt.data);
for (const [key, value] of Object.entries(data)) {
const elements = document.querySelectorAll(".postfill_" + key);
if (!elements.length)
unused_values[key] = value;
else
for (i = 0; i < elements.length; ++i) {
elements[i].innerHTML = value;
}
}
document.getElementById("unused_values").innerHTML = JSON.stringify(unused_values);
} else {
var dv = new DataView(evt.data);
var cmd = String.fromCharCode(dv.getUint8(0));
var val = dv.getUint16(1);
if (cmd === 'G')
console.log("LED switched", val);
else if (cmd === 'V') {
voltage.innerHTML = (val * 13 / 1024).toFixed(2);
series.append(new Date().getTime(), val);
} else
console.log('unknown command', cmd, val);
}
}
function wsOpen() {
var uri = "/stream"
if (ws === undefined || ws.readyState !== 0) {
if (retries)
setMsg("warning", "WebSocket timeout, retrying..");
else
setMsg("primary", "Opening WebSocket..");
ws = new WebSocket("ws://" + location.host + uri);
ws.binaryType = 'arraybuffer';
ws.onopen = function (evt) {
retries = 0;
setMsg("success", "WebSocket is open.");
};
ws.onerror = function (evt) {
console.error(evt);
setMsg("error", "WebSocket error!"); /*window.location.reload(true);*/
};
ws.onmessage = function (evt) {
onMessage(evt);
};
retries = 0;
}
}
function buf2hex(buffer) { // buffer is an ArrayBuffer
return [...new Uint8Array(buffer)].map(x => x.toString(16).padStart(2, '0')).join('');
}
function wsWrite(data) {
console.info(buf2hex(data));
if (ws.readyState === 3 || retries++ > 5)
wsOpen();
else if (ws.readyState === 1)
ws.send(data);
}
function gpio() {
if (document.getElementById('led-switch').checked)
wsWrite('E');
else
wsWrite('D');
}
window.onload = function () {
wsOpen();
startPolling();
}
</script>
</body>
</html>