From 51330f1bd6fc4500a7c5eaff2e8cf908ff790c67 Mon Sep 17 00:00:00 2001 From: nek0 Date: Wed, 10 Jun 2020 05:48:31 +0200 Subject: [PATCH] add demo reel code --- code/DemoReel100/DemoReel100.ino | 125 +++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 code/DemoReel100/DemoReel100.ino diff --git a/code/DemoReel100/DemoReel100.ino b/code/DemoReel100/DemoReel100.ino new file mode 100644 index 0000000..877cf3c --- /dev/null +++ b/code/DemoReel100/DemoReel100.ino @@ -0,0 +1,125 @@ +#include + +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 32 +//#define CLK_PIN 4 +#define LED_TYPE WS2812B +#define COLOR_ORDER BGR +#define NUM_LEDS 40 +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(leds, NUM_LEDS).setCorrection(TypicalLEDStrip); + //FastLED.addLeds(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[2](); + + // 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; + } +}