FastLED 3.9.15
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◆ sinelon()

void sinelon ( )
Examples
DemoReel100.ino.

Definition at line 106 of file DemoReel100.ino.

107{
108 // a colored dot sweeping back and forth, with fading trails
109 fadeToBlackBy( leds, NUM_LEDS, 20);
110 int pos = beatsin16( 13, 0, NUM_LEDS-1 );
111 leds[pos] += CHSV( gHue, 255, 192);
112}
leds
CRGB leds[NUM_LEDS]
Definition AdafruitBridge.ino:13
NUM_LEDS
#define NUM_LEDS
Definition AdafruitBridge.ino:11
pos
uint8_t pos
Definition Blur.ino:11
gHue
uint8_t gHue
Definition DemoReel100.ino:53
fadeToBlackBy
void fadeToBlackBy(CRGB *leds, fl::u16 num_leds, fl::u8 fadeBy)
Definition colorutils.cpp:162
beatsin16
LIB8STATIC uint16_t beatsin16(accum88 beats_per_minute, uint16_t lowest=0, uint16_t highest=65535, uint32_t timebase=0, uint16_t phase_offset=0)
Generates a 16-bit sine wave at a given BPM that oscillates within a given range.
Definition lib8tion.h:819
fl::CHSV
Representation of an HSV pixel (hue, saturation, value (aka brightness)).
Definition hsv.h:15

References beatsin16(), fadeToBlackBy(), gHue, leds, NUM_LEDS, and pos.

Referenced by fl::DemoReel100::runPattern().

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