Created
March 8, 2018 23:20
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#include "FastLED.h" | |
#define DATA_PIN 1 | |
#define LED_TYPE WS2811 | |
#define COLOR_ORDER GRB | |
#define NUM_LEDS 16 | |
#define MYCOLOR Purple | |
CRGB leds[NUM_LEDS]; | |
#define BRIGHTNESS 255 | |
#define FRAMES_PER_SECOND 120 | |
void setup() { | |
delay(3000); // 3 second delay for recovery | |
// tell FastLED about the LED strip configuration | |
FastLED.addLeds<LED_TYPE,DATA_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip); | |
//FastLED.addLeds<LED_TYPE,DATA_PIN,CLK_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip); | |
// set master brightness control | |
FastLED.setBrightness(BRIGHTNESS); | |
} | |
// List of patterns to cycle through. Each is defined as a separate function below. | |
typedef void (*SimplePatternList[])(); | |
SimplePatternList gPatterns = { solidwithglitter, rainbow, rainbowWithGlitter, sinelon, bpm }; | |
uint8_t gCurrentPatternNumber = 0; // Index number of which pattern is current | |
uint8_t gHue = 0; // rotating "base color" used by many of the patterns | |
void loop() | |
{ | |
// Call the current pattern function once, updating the 'leds' array | |
gPatterns[gCurrentPatternNumber](); | |
// send the 'leds' array out to the actual LED strip | |
FastLED.show(); | |
// insert a delay to keep the framerate modest | |
FastLED.delay(1000/FRAMES_PER_SECOND); | |
// do some periodic updates | |
EVERY_N_MILLISECONDS( 20 ) { gHue++; } // slowly cycle the "base color" through the rainbow | |
EVERY_N_SECONDS( 30 ) { nextPattern(); } // change patterns periodically | |
} | |
#define ARRAY_SIZE(A) (sizeof(A) / sizeof((A)[0])) | |
void nextPattern() | |
{ | |
// add one to the current pattern number, and wrap around at the end | |
gCurrentPatternNumber = (gCurrentPatternNumber + 1) % ARRAY_SIZE( gPatterns); | |
} | |
void rainbow() | |
{ | |
// FastLED's built-in rainbow generator | |
fill_rainbow( leds, NUM_LEDS, gHue, 7); | |
} | |
void rainbowWithGlitter() | |
{ | |
// built-in FastLED rainbow, plus some random sparkly glitter | |
rainbow(); | |
addGlitter(80); | |
} | |
void addGlitter( fract8 chanceOfGlitter) | |
{ | |
if( random8() < chanceOfGlitter) { | |
leds[ random16(NUM_LEDS) ] += CRGB::White; | |
} | |
} | |
/*void confetti() | |
{ | |
// random colored speckles that blink in and fade smoothly | |
fadeToBlackBy( leds, NUM_LEDS, 10); | |
int pos = random16(NUM_LEDS); | |
leds[pos] += CHSV( gHue + random8(64), 200, 255); | |
}*/ | |
void sinelon() | |
{ | |
// a colored dot sweeping back and forth, with fading trails | |
fadeToBlackBy( leds, NUM_LEDS, 20); | |
int pos = beatsin16(13,0,NUM_LEDS); | |
leds[pos] += CHSV( gHue, 255, 192); | |
} | |
void bpm() | |
{ | |
// colored stripes pulsing at a defined Beats-Per-Minute (BPM) | |
uint8_t BeatsPerMinute = 62; | |
CRGBPalette16 palette = PartyColors_p; | |
uint8_t beat = beatsin8( BeatsPerMinute, 64, 255); | |
for( uint8_t i = 0; i < NUM_LEDS; i++) { | |
leds[i] = ColorFromPalette(palette, gHue+(i*2), beat-gHue+(i*10)); | |
} | |
} | |
void solidwithglitter() | |
{ | |
fill_solid(leds,NUM_LEDS,CRGB::MYCOLOR); | |
addGlitter(80); | |
} |
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