#include <Arduino.h>
#include "ws2812b.h"

uint8_t buf[]  = {0, 128, 0, 0, 0, 128, 0, 255, 0, 0, 0, 255};
uint8_t buf2[] = {0, 0, 128, 0, 128, 0, 0, 0, 255, 0, 255, 0};

void setup() {
  pinMode(2, OUTPUT);          // Our assembly driver hardcodes PD2 (Uno pin 2)
}

void loop() {
  if (millis() % 250 < 125)
    ws2812b_write(buf, sizeof(buf));
  else
    ws2812b_write(buf2, sizeof(buf2));
    delayMicroseconds(60);
}