radio95/RadioPlayer
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Code Issues Activity

agc in scope

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This commit is contained in:
kuba
2026-05-10 11:35:59 +02:00
parent 48e9b6de6d
commit 703b08b1b7
1 changed files with 9 additions and 8 deletions
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modules/web/fm95.html
+9 -8
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@@ -133,6 +133,7 @@
<div class="scope-legend"> <div class="scope-legend">
<span><span class="dot" style="background:#f472b6"></span>Input Level</span> <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:#38bdf8"></span>Audio Level</span>
<span><span class="dot" style="background:#fb923c"></span>AGC</span>
</div> </div>
</div> </div>
<canvas id="scope"></canvas> <canvas id="scope"></canvas>
@@ -168,10 +169,10 @@ const FIELD_CFG = {
agc_gain: { unit:'x', fmt: v=>v.toFixed(4), bar: v=>Math.max(0,Math.min(100,v*10)), warn: v=>v>3 }, agc_gain: { unit:'x', fmt: v=>v.toFixed(4), bar: v=>Math.max(0,Math.min(100,v*10)), warn: v=>v>3 },
}; };
// --- Oscilloscope state ---
const MAX_PTS = 400; const MAX_PTS = 400;
let histInput = new Array(MAX_PTS).fill(null); let histInput = new Array(MAX_PTS).fill(null);
let histAudio = new Array(MAX_PTS).fill(null); let histAudio = new Array(MAX_PTS).fill(null);
let histAgc = new Array(MAX_PTS).fill(null);
const canvas = document.getElementById('scope'); const canvas = document.getElementById('scope');
const ctx = canvas.getContext('2d'); const ctx = canvas.getContext('2d');
@@ -208,7 +209,7 @@ function drawScope() {
let yMin = -1, yMax = 1; let yMin = -1, yMax = 1;
if (yscale === '2') { yMin = -2; yMax = 2; } if (yscale === '2') { yMin = -2; yMax = 2; }
else if (yscale === 'auto') { else if (yscale === 'auto') {
const vals = [...histInput, ...histAudio].filter(v => v !== null); const vals = [...histInput, ...histAudio, ...histAgc].filter(v => v !== null);
if (vals.length) { if (vals.length) {
yMin = Math.min(...vals); yMin = Math.min(...vals);
yMax = Math.max(...vals); yMax = Math.max(...vals);
@@ -271,6 +272,7 @@ function drawScope() {
drawLine(histInput, '#f472b6'); drawLine(histInput, '#f472b6');
drawLine(histAudio, '#38bdf8'); drawLine(histAudio, '#38bdf8');
drawLine(histAgc, '#fb923c');
} }
function decode(b64) { function decode(b64) {
@@ -296,10 +298,9 @@ function updateUI(values) {
}); });
// push to oscilloscope history // push to oscilloscope history
const inputVal = values[3]; histAgc.push(values[2]); if (histAgc.length > MAX_PTS) histAgc.shift();
const audioVal = values[4]; histInput.push(values[3]); if (histInput.length > MAX_PTS) histInput.shift();
histInput.push(inputVal); if (histInput.length > MAX_PTS) histInput.shift(); histAudio.push(values[4]); if (histAudio.length > MAX_PTS) histAudio.shift();
histAudio.push(audioVal); if (histAudio.length > MAX_PTS) histAudio.shift();
drawScope(); drawScope();
document.getElementById('last-update').textContent = `Last update: ${new Date().toLocaleTimeString()}`; document.getElementById('last-update').textContent = `Last update: ${new Date().toLocaleTimeString()}`;