Files
2026-05-10 18:35:29 +02:00

374 lines
17 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>FM95 Processor Status</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
background: #0a0e1a;
color: #e0e6f0;
font-family: 'Segoe UI', system-ui, sans-serif;
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
padding: 30px 16px;
}
header { text-align: center; margin-bottom: 22px; }
header h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: #7eb8f7; }
header p { font-size: 0.75rem; color: #4a5a7a; margin-top: 4px; letter-spacing: 1px; text-transform: uppercase; }
#status-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 22px; font-size: 0.8rem; color: #4a5a7a; }
#status-dot { width: 9px; height: 9px; border-radius: 50%; background: #444; transition: background 0.3s; }
#status-dot.connecting { background: #f0a500; box-shadow: 0 0 6px #f0a500; }
#status-dot.connected { background: #2ecc71; box-shadow: 0 0 6px #2ecc71; }
#status-dot.error { background: #e74c3c; box-shadow: 0 0 6px #e74c3c; }
.grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 14px;
width: 100%;
max-width: 960px;
margin-bottom: 20px;
}
.card {
background: #111827;
border: 1px solid #1e2d45;
border-radius: 12px;
padding: 16px 18px;
position: relative;
overflow: hidden;
}
.card::before {
content: '';
position: absolute;
top: 0; left: 0; right: 0;
height: 3px;
background: var(--accent, #7eb8f7);
border-radius: 12px 12px 0 0;
}
.card-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 1.5px; color: #4a6080; margin-bottom: 8px; }
.card-value { font-size: 1.8rem; font-weight: 700; color: var(--accent, #7eb8f7); line-height: 1; font-variant-numeric: tabular-nums; }
.card-unit { font-size: 0.8rem; color: #3a5070; margin-left: 3px; font-weight: 400; }
.bar-wrap { margin-top: 10px; background: #0a0e1a; border-radius: 4px; height: 5px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 4px; background: var(--accent, #7eb8f7); width: 0%; transition: width 0.4s ease; }
.card-desc { font-size: 0.68rem; color: #2e4060; margin-top: 6px; }
.scope-wrap {
width: 100%;
max-width: 960px;
background: #0b1120;
border: 1px solid #1e2d45;
border-radius: 14px;
padding: 16px 18px;
margin-bottom: 20px;
}
.scope-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 12px;
}
.scope-title { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.5px; color: #4a6080; }
.scope-legend { display: flex; gap: 18px; }
.scope-legend span { font-size: 0.7rem; display: flex; align-items: center; gap: 5px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
canvas#scope {
width: 100%;
height: 200px;
display: block;
border-radius: 6px;
background: #060b14;
image-rendering: pixelated;
}
.scope-controls { display: flex; gap: 16px; margin-top: 10px; align-items: center; }
.scope-controls label { font-size: 0.72rem; color: #4a6080; }
.scope-controls select, .scope-controls input {
background: #111827; color: #7eb8f7; border: 1px solid #1e2d45;
border-radius: 6px; padding: 3px 8px; font-size: 0.72rem;
}
#last-update { font-size: 0.7rem; color: #2e4060; }
</style>
</head>
<body>
<header>
<h1>FM95 Processor</h1>
<p>Live Status Monitor</p>
</header>
<div id="status-bar">
<div id="status-dot" class="connecting"></div>
<span id="status-text">Connecting…</span>
</div>
<div class="grid">
<div class="card" style="--accent:#a78bfa">
<div class="card-label">MPX Power</div>
<div class="card-value" id="mpx_power"><span class="card-unit">dB</span></div>
<div class="bar-wrap"><div class="bar-fill" id="bar_mpx_power"></div></div>
<div class="card-desc">Multiplex signal power · dBr</div>
</div>
<div class="card" style="--accent:#34d399">
<div class="card-label">BS412 Gain</div>
<div class="card-value" id="bs412_gain"></div>
<div class="bar-wrap"><div class="bar-fill" id="bar_bs412_gain"></div></div>
<div class="card-desc">BS412 loudness gain · linear</div>
</div>
<div class="card" style="--accent:#fb923c">
<div class="card-label">AGC Gain</div>
<div class="card-value" id="agc_gain"></div>
<div class="bar-wrap"><div class="bar-fill" id="bar_agc_gain"></div></div>
<div class="card-desc">Automatic gain control · linear</div>
</div>
</div>
<div class="scope-wrap">
<div class="scope-header">
<div class="scope-title">Oscilloscope — Input &amp; Audio Level</div>
<div class="scope-legend">
<span><span class="dot" style="background:#f472b6"></span>Input Level</span>
<span><span class="dot" style="background:#38bdf8"></span>Audio Level</span>
<span><span class="dot" style="background:#fb923c"></span>AGC</span>
</div>
</div>
<canvas id="scope"></canvas>
<div class="scope-controls">
<label>History:
<select id="histSel">
<option value="100">100 pts</option>
<option value="200" selected>200 pts</option>
<option value="400">400 pts</option>
</select>
</label>
<label style="margin-left:auto; display:flex; align-items:center; gap:6px;">
<input type="checkbox" id="gridCb" checked> Grid
</label>
</div>
</div>
<div id="last-update">Waiting for data…</div>
<script>
const POLL_MSG = JSON.stringify({ action: "fm95", data: "/w==" });
const FIELDS = ['mpx_power','bs412_gain','agc_gain','input_level','audio_level'];
const FIELD_CFG = {
mpx_power: { unit:'dB', fmt: v=>v.toFixed(3), bar: v=>Math.max(0,Math.min(100,(v/3)*100)), warn: v=>v>3 },
bs412_gain: { unit:'x', fmt: v=>v.toFixed(4), bar: v=>Math.max(0,Math.min(100,v*10)), warn: v=>v>2 },
agc_gain: { unit:'x', fmt: v=>v.toFixed(4), bar: v=>Math.max(0,Math.min(100,v*10)), warn: v=>v>3 },
};
const MAX_PTS = 400;
let histInput = new Array(MAX_PTS).fill(null);
let histAudio = new Array(MAX_PTS).fill(null);
let histAgc = new Array(MAX_PTS).fill(null);
let histBs = new Array(MAX_PTS).fill(null);
// animation state
let targets = { input: null, audio: null, agc: null, bs: null };
let current = { input: null, audio: null, agc: null, bs: null };
let rafId = null;
const LERP = 0.18;
function animateTo(key, target) {
targets[key] = target;
if (!rafId) rafId = requestAnimationFrame(animStep);
}
function animStep() {
rafId = null;
let dirty = false;
for (const key of ['input', 'audio', 'agc', 'bs']) {
if (targets[key] === null) continue;
const prev = current[key] ?? targets[key];
const next = prev + (targets[key] - prev) * LERP;
if (Math.abs(next - targets[key]) < 0.0001) {
current[key] = targets[key];
} else {
current[key] = next;
dirty = true;
}
}
// update only the tip of each history array
histInput[histInput.length - 1] = current.input;
histAudio[histAudio.length - 1] = current.audio;
histAgc[histAgc.length - 1] = current.agc;
histBs[histBs.length - 1] = current.bs;
drawScope();
if (dirty) rafId = requestAnimationFrame(animStep);
}
const canvas = document.getElementById('scope');
const ctx = canvas.getContext('2d');
const histSel = document.getElementById('histSel');
const gridCb = document.getElementById('gridCb');
function resizeCanvas() {
const r = window.devicePixelRatio || 1;
const w = canvas.parentElement.clientWidth - 36;
canvas.style.width = w + 'px';
canvas.style.height = '200px';
canvas.width = w * r;
canvas.height = 200 * r;
ctx.scale(r, r);
}
resizeCanvas();
window.addEventListener('resize', () => { ctx.setTransform(1,0,0,1,0,0); resizeCanvas(); drawScope(); });
function drawScope() {
const W = canvas.width / (window.devicePixelRatio || 1);
const H = canvas.height / (window.devicePixelRatio || 1);
const nPts = parseInt(histSel.value);
const showGrid = gridCb.checked;
ctx.clearRect(0, 0, W, H);
ctx.fillStyle = '#060b14';
ctx.fillRect(0, 0, W, H);
let yMin = -1, yMax = 1;
const vals = [...histInput, ...histAudio, ...histAgc, ...histBs].filter(v => v !== null);
if (vals.length) {
yMin = Math.min(...vals);
yMax = Math.max(...vals);
const pad = (yMax - yMin) * 0.1 || 0.05;
yMin -= pad; yMax += pad;
}
const toY = v => H - ((v - yMin) / (yMax - yMin)) * H;
if (showGrid) {
ctx.strokeStyle = 'rgba(255,255,255,0.05)';
ctx.lineWidth = 1;
const hLines = 5;
for (let i = 0; i <= hLines; i++) {
const y = (i / hLines) * H;
ctx.beginPath(); ctx.moveTo(0, y); ctx.lineTo(W, y); ctx.stroke();
const val = yMax - (i / hLines) * (yMax - yMin);
ctx.fillStyle = 'rgba(255,255,255,0.25)';
ctx.font = '10px monospace';
ctx.fillText(val.toFixed(2), 4, y - 3);
}
const vLines = 8;
for (let i = 1; i < vLines; i++) {
const x = (i / vLines) * W;
ctx.beginPath(); ctx.moveTo(x, 0); ctx.lineTo(x, H); ctx.stroke();
}
if (yMin < 0 && yMax > 0) {
const y0 = toY(0);
ctx.strokeStyle = 'rgba(255,255,255,0.15)';
ctx.setLineDash([4,4]);
ctx.beginPath(); ctx.moveTo(0, y0); ctx.lineTo(W, y0); ctx.stroke();
ctx.setLineDash([]);
}
}
function drawLine(hist, color) {
const slice = hist.slice(-nPts);
const step = W / (nPts - 1);
ctx.strokeStyle = color;
ctx.lineWidth = 1.5;
ctx.beginPath();
let started = false;
for (let i = 0; i < slice.length; i++) {
if (slice[i] === null) { started = false; continue; }
const x = i * step;
const y = toY(slice[i]);
if (!started) { ctx.moveTo(x, y); started = true; }
else ctx.lineTo(x, y);
}
ctx.stroke();
ctx.strokeStyle = color + '44';
ctx.lineWidth = 4;
ctx.stroke();
}
// FIX: was drawing histInput three times
drawLine(histInput, '#f472b6');
drawLine(histAudio, '#38bdf8');
drawLine(histAgc, '#fb923c');
drawLine(histBs, '#34d399');
}
function decode(b64) {
const bin = atob(b64);
const buf = new ArrayBuffer(bin.length);
const u8 = new Uint8Array(buf);
for (let i = 0; i < bin.length; i++) u8[i] = bin.charCodeAt(i);
const view = new DataView(buf);
return FIELDS.map((_, i) => view.getFloat32(i * 4, true));
}
function updateUI(values) {
values.forEach((v, i) => {
const key = FIELDS[i];
const cfg = FIELD_CFG[key];
if (cfg) {
const el = document.getElementById(key);
const bar = document.getElementById('bar_' + key);
el.innerHTML = `${cfg.fmt(v)}${cfg.unit ? `<span class="card-unit">${cfg.unit}</span>` : ''}`;
bar.style.width = cfg.bar(v) + '%';
bar.style.background = cfg.warn(v) ? '#ef4444' : '';
}
});
// FIX: use the raw values as the initial push, not current.* which may be null
const iv = current.input ?? values[3];
const av = current.audio ?? values[4];
const gv = current.agc ?? values[2];
const hv = current.bs ?? values[1];
histInput.push(iv); if (histInput.length > MAX_PTS) histInput.shift();
histAudio.push(av); if (histAudio.length > MAX_PTS) histAudio.shift();
histAgc.push(gv); if (histAgc.length > MAX_PTS) histAgc.shift();
histBs.push(hv); if (histBs.length > MAX_PTS) histBs.shift();
animateTo('input', values[3]);
animateTo('audio', values[4]);
animateTo('agc', values[2]);
animateTo('bs', values[1]);
document.getElementById('last-update').textContent = `Last update: ${new Date().toLocaleTimeString()}`;
}
histSel.addEventListener('change', drawScope);
gridCb.addEventListener('change', drawScope);
function setStatus(state, text) {
const dot = document.getElementById('status-dot');
dot.className = '';
dot.classList.add(state);
document.getElementById('status-text').textContent = text;
}
let ws, pollTimer;
function connect() {
const proto = location.protocol === 'https:' ? 'wss' : 'ws';
ws = new WebSocket(`${proto}://${location.host}/ws`);
setStatus('connecting', 'Connecting…');
ws.addEventListener('open', () => {
setStatus('connected', 'Connected');
poll();
pollTimer = setInterval(poll, 50 + (Math.random() * 25));
});
ws.addEventListener('message', e => {
try {
const msg = JSON.parse(e.data);
if (msg.event === 'fm95' && msg.data) updateUI(decode(msg.data));
} catch(err) { console.warn('Parse error', err); }
});
ws.addEventListener('close', () => {
clearInterval(pollTimer);
setStatus('error', 'Disconnected — retrying in 3s…');
setTimeout(connect, 3000);
});
ws.addEventListener('error', () => setStatus('error', 'WebSocket error'));
}
function poll() { if (ws && ws.readyState === WebSocket.OPEN) ws.send(POLL_MSG); }
connect();
drawScope();
</script>
</body>
</html>