126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
#include <FastLED.h>
|
|
|
|
FASTLED_USING_NAMESPACE
|
|
|
|
// FastLED "100-lines-of-code" demo reel, showing just a few
|
|
// of the kinds of animation patterns you can quickly and easily
|
|
// compose using FastLED.
|
|
//
|
|
// This example also shows one easy way to define multiple
|
|
// animations patterns and have them automatically rotate.
|
|
//
|
|
// -Mark Kriegsman, December 2014
|
|
|
|
#if defined(FASTLED_VERSION) && (FASTLED_VERSION < 3001000)
|
|
#warning "Requires FastLED 3.1 or later; check github for latest code."
|
|
#endif
|
|
|
|
#define DATA_PIN 3
|
|
//#define CLK_PIN 4
|
|
#define LED_TYPE WS2811
|
|
#define COLOR_ORDER GRB
|
|
#define NUM_LEDS 64
|
|
CRGB leds[NUM_LEDS];
|
|
|
|
#define BRIGHTNESS 96
|
|
#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 = { rainbow, rainbowWithGlitter, confetti, sinelon, juggle, 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( 10 ) { 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-1 );
|
|
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( int i = 0; i < NUM_LEDS; i++) { //9948
|
|
leds[i] = ColorFromPalette(palette, gHue+(i*2), beat-gHue+(i*10));
|
|
}
|
|
}
|
|
|
|
void juggle() {
|
|
// eight colored dots, weaving in and out of sync with each other
|
|
fadeToBlackBy( leds, NUM_LEDS, 20);
|
|
byte dothue = 0;
|
|
for( int i = 0; i < 8; i++) {
|
|
leds[beatsin16( i+7, 0, NUM_LEDS-1 )] |= CHSV(dothue, 200, 255);
|
|
dothue += 32;
|
|
}
|
|
}
|
|
|