Jose
91b24e0da0
- New HTML file added to the `data` directory for a piano spectrum analyzer. - Updated `Config.h` with WiFi settings and web configuration portal details. - Update the Arduino sketch with WiFi and WebSocket support, enabling real-time spectrum data transmission over the web.
91 lines
2.5 KiB
HTML
91 lines
2.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>ESP32 Piano Spectrum Analyzer</title>
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<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
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<style>
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body {
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font-family: Arial, sans-serif;
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margin: 20px;
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background: #f0f0f0;
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}
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.container {
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max-width: 1200px;
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margin: 0 auto;
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background: white;
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padding: 20px;
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border-radius: 10px;
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box-shadow: 0 0 10px rgba(0,0,0,0.1);
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}
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h1 {
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color: #333;
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text-align: center;
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}
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#spectrum-container {
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position: relative;
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height: 400px;
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margin: 20px 0;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Piano Spectrum Analyzer</h1>
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<div id="spectrum-container">
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<canvas id="spectrumChart"></canvas>
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</div>
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</div>
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<script>
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const ctx = document.getElementById('spectrumChart').getContext('2d');
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const chart = new Chart(ctx, {
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type: 'line',
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data: {
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labels: Array.from({length: 512}, (_, i) => i * (8000 / 1024)),
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datasets: [{
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label: 'Frequency Spectrum',
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data: Array(512).fill(0),
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borderColor: 'rgb(75, 192, 192)',
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tension: 0.1,
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fill: false
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}]
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},
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options: {
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responsive: true,
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maintainAspectRatio: false,
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animation: {
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duration: 0
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},
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scales: {
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y: {
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beginAtZero: true,
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max: 5000
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},
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x: {
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title: {
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display: true,
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text: 'Frequency (Hz)'
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}
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}
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}
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}
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});
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const wsUrl = `ws://${window.location.hostname}/ws`;
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const ws = new WebSocket(wsUrl);
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ws.onmessage = function(event) {
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const spectrum = JSON.parse(event.data);
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chart.data.datasets[0].data = spectrum;
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chart.update();
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};
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ws.onclose = function() {
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console.log('WebSocket connection closed');
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setTimeout(() => {
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window.location.reload();
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}, 1000);
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};
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</script>
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</body>
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</html> |