ledtest.ino

#include <FastLED.h>

#define NUM_LEDS 197

#define RANDOM 0
#define IN_ORDER 1

CRGB leds[NUM_LEDS];

// 1, 2
// 3, 7
// 8, 14
// 15
// 16, 21
// 22, 27
// 28, 32
// 33, 44
// 45, 54
// 55, 59
// 60, 67
// 68, 69
// 70, 79, +1
// 79.1, 79.5, +5 (actual indices 80, 85)
// 

void setup() {
  FastLED.addLeds<APA102, 11, 13, BGR>(leds, NUM_LEDS);
  FastLED.setBrightness(10);
  FastLED.clear();
  FastLED.setCorrection(TypicalSMD5050);
  //Serial.begin(56700);
  randomSeed(analogRead(0));
}

void chase(const CRGBPalette256& pal, uint16_t wait, uint8_t select_mode) {
  uint8_t next = 0;
  uint8_t offset;
  uint8_t len = sizeof(pal) / sizeof(pal[0]);
  uint8_t index = 0;
  
  for (uint8_t i = 0; i < 1000; i++) {
    
    offset = 1;
    FastLED.show();
    FastLED.delay(wait);
    memmove8(&leds[1], &leds[0], (NUM_LEDS-1)*sizeof(CRGB));

    if (next == 0) {
      offset = 2*random(2) + 1;
      if (select_mode == RANDOM) {
        index = random(len);
      } else {
        index = (index + 1) % len;
      }
      CRGB c = ColorFromPalette(pal, index, 255, NOBLEND);
      for (uint8_t j = 0; j < offset; j++) {
        leds[j] = c;
      }
      if (offset == 3) {
        leds[0].fadeToBlackBy(128);
        leds[2].fadeToBlackBy(128);
      }
      next = random(5, 20);
    } else {
      leds[0] = CRGB::Black;
      next--;
    }
  }
}

void loop() {
  
  //chase(LavaColors_p, 60);
  //chase(RainbowColors_p, 60, IN_ORDER);
  //chase(CRGB(255,   0,   0), 50);
  //chase(CRGB(255, 255,   0));
  //chase(CRGB(  0, 255,   0));
  //chase(CRGB(  0, 255, 255));
  //chase(CRGB(  0,   0, 255));
  //chase(CRGB(255,   0, 255));
  /*
  for (uint8_t i = 0; i < 360; i+=5) {
    fill_rainbow(&leds[0], NUM_LEDS, i);
    FastLED.show();
    delay(20);
  }
  */
  //chase(CRGB(0,0,255));
}