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August 28, 2018 13:12
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fastled effects for newer board
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#include "FastLED.h" | |
// FastLED library from | |
// https://github.com/FastLED/FastLED | |
FASTLED_USING_NAMESPACE | |
// Based on FastLED "100-lines-of-code" demo reel from Mark Kriegsmann | |
// https://github.com/FastLED/FastLED/tree/master/examples/DemoReel100 | |
#if defined(FASTLED_VERSION) && (FASTLED_VERSION < 3001000) | |
#warning "Requires FastLED 3.1 or later; check github for latest code." | |
#endif | |
// define data pins here | |
#define DATA_PIN 5 | |
// define button pin here | |
#define BTN_PIN 10 | |
// define number of LEDs | |
#define NUM_LEDS 25 | |
#define LED_TYPE WS2811 | |
#define COLOR_ORDER GRB | |
CRGB leds[NUM_LEDS]; | |
#define BRIGHTNESS 255 | |
// #define FRAMES_PER_SECOND | |
int FRAMES_PER_SECOND = 8; | |
void setup() { | |
pinMode(BTN_PIN, INPUT_PULLUP); | |
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); | |
// set master brightness control | |
FastLED.setBrightness(BRIGHTNESS); | |
} | |
// List of patterns to cycle through. Each is defined as a separate function below. | |
typedef void (*SimplePatternList[])(); | |
// define patterns here, e.g. (full list): | |
// SimplePatternList gPatterns = { rainbow, rainbowWithGlitter, confetti, sinelon, juggle, bpm }; | |
SimplePatternList gPatterns = {confetti, rainbowWithGlitter, juggle}; | |
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 | |
// check if button pressed | |
if (digitalRead(3) == LOW) { | |
// if button pressed, switch pattern | |
nextPattern(); | |
} | |
//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); | |
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)] |= CHSV(dothue, 200, 255); | |
dothue += 32; | |
} | |
} |
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