FastLED 3.9.15
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◆ bpm()

void fl::DemoReel100::bpm ( CRGB * leds)
inlineprivate

Definition at line 110 of file demoreel100.h.

110 {
111 // colored stripes pulsing at a defined Beats-Per-Minute (BPM)
112 uint8_t BeatsPerMinute = 62;
113 CRGBPalette16 palette = PartyColors_p;
114 uint8_t beat = beatsin8(BeatsPerMinute, 64, 255);
115 for (uint16_t i = 0; i < mNumLeds; i++) {
116 leds[i] =
117 ColorFromPalette(palette, hue + (i * 2), beat - hue + (i * 10));
118 }
119 }
leds
CRGB leds[NUM_LEDS]
Definition Apa102.ino:11
palette
UINumberField palette("Palette", 0, 0, 2)
fl::Fx::mNumLeds
uint16_t mNumLeds
Definition fx.h:53
beatsin8
LIB8STATIC uint8_t beatsin8(accum88 beats_per_minute, uint8_t lowest=0, uint8_t highest=255, uint32_t timebase=0, uint8_t phase_offset=0)
Generates an 8-bit sine wave at a given BPM that oscillates within a given range.
Definition lib8tion.h:957
PartyColors_p
const TProgmemRGBPalette16 PartyColors_p
HSV color ramp: blue, purple, pink, red, orange, yellow (and back).
fl::ColorFromPalette
CRGB ColorFromPalette(const CRGBPalette16 &pal, uint8_t index, uint8_t brightness, TBlendType blendType)
Definition colorutils.cpp:299

References beatsin8(), fl::ColorFromPalette(), hue, leds, fl::Fx::mNumLeds, palette, and PartyColors_p.

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