#include <WS2812FX.h>

#define LED_COUNT 16
#define LED_PIN 1
#define Light_Yellow (uint32_t)0xfad264

#define NUM_SEGMENTS  2
#define NUM_ACTIVE_SEGMENTS  1

#define LOWER_SEG_RANGE 0, LED_COUNT


WS2812FX ws2812fx = WS2812FX(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800, NUM_SEGMENTS, NUM_ACTIVE_SEGMENTS);

void setup() {
  ws2812fx.init();
  ws2812fx.setBrightness(200);

  // create two active segments
  ws2812fx.setSegment(0, LOWER_SEG_RANGE, FX_MODE_RUNNING_LIGHTS, Light_Yellow, 2000, NO_OPTIONS);

  // create additional "idle" segments that will be activated later
  ws2812fx.setIdleSegment(1, LOWER_SEG_RANGE, FX_MODE_BREATH, YELLOW, 2000, NO_OPTIONS);

  ws2812fx.start();
}

void loop() {
  static unsigned long timer = millis();
  static unsigned int  blink_counter = 0;

  ws2812fx.service();

  /* the lower segment is updated based on a timer.
     the lower segment will change every 10 seconds
  */
  if(millis() > timer + 10000) {        // every 10 seconds...
    if(ws2812fx.isActiveSegment(0)) {   // if seg[0] is active, switch to seg[2]
      ws2812fx.swapActiveSegment(0, 1);
    } else {                            // else, switch to seg[0]
      ws2812fx.swapActiveSegment(1, 0);
    }
    timer = millis();
  }

  }