loop()

void loop

(

)

Definition at line 46 of file AudioUrl.ino.

            {
    // Drain all available audio samples, keeping track of peak volume.
    int32_t peak = 0;
    while (fl::audio::Sample sample = audio.next()) {
        for (size_t i = 0; i < sample.pcm().size(); ++i) {
            int32_t v = sample.pcm()[i];
            if (v < 0) {
                v = -v;
            }
            if (v > peak) {
                peak = v;
            }
        }
    }
 
    // Map peak amplitude to brightness (0-255).
    uint8_t brightness = map(peak, 0, 32768, 0, 255);
    fill_solid(leds, NUM_LEDS, CHSV(160, 255, brightness));
 
    FastLED.show();
}

References audio, brightness, FastLED, fill_solid(), leds, and NUM_LEDS.

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