Jose
438fd59037
modified: data/www/index.html new file: data/www/spectrum.html new file: partitions.csv modified: platformio.ini deleted: src/NoteMappings copy.h modified: src/main.cpp modified: src/web_server.cpp modified: src/web_server.h
66 lines
2.0 KiB
HTML
66 lines
2.0 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Audio Spectrum</title>
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<style>
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body {
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margin: 0;
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padding: 0;
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display: flex;
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justify-content: center;
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align-items: center;
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height: 100vh;
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background: #f8f9fa;
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font-family: Arial, sans-serif;
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}
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canvas {
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border: 1px solid #ccc;
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}
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</style>
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</head>
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<body>
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<canvas id="spectrumCanvas" width="800" height="400"></canvas>
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<script>
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const canvas = document.getElementById('spectrumCanvas');
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const ctx = canvas.getContext('2d');
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function drawSpectrum(data) {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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// Draw axis labels
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ctx.fillStyle = 'black';
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ctx.font = '16px Arial';
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ctx.fillText('Frequency/Note', canvas.width / 2 - 50, canvas.height - 10);
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ctx.save();
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ctx.translate(10, canvas.height / 2);
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ctx.rotate(-Math.PI / 2);
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ctx.fillText('Amplitude', -50, 0);
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ctx.restore();
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// Draw spectrum bars
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const barWidth = canvas.width / data.length;
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data.forEach((value, index) => {
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const barHeight = value * canvas.height;
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ctx.fillStyle = 'rgb(50, 150, 250)';
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ctx.fillRect(index * barWidth, canvas.height - barHeight, barWidth, barHeight);
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});
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// Draw legend
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ctx.fillStyle = 'black';
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ctx.fillRect(10, 10, 20, 20);
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ctx.fillStyle = 'rgb(50, 150, 250)';
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ctx.fillRect(12, 12, 16, 16);
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ctx.fillStyle = 'black';
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ctx.font = '14px Arial';
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ctx.fillText('Amplitude', 40, 25);
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}
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// Simulate spectrum data for testing
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setInterval(() => {
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const testData = Array.from({ length: 64 }, () => Math.random());
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drawSpectrum(testData);
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}, 100);
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</script>
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</body>
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</html> |