#include <Arduino.h>
#include <stdio.h>
#include <serial_interface.h>
#include <neopixel_blit.h>   /* For interaction with neopixels */

void setup() {
  init_serial_stdio();
  init_neopixel_blit(); /* Clears (turns off) all neopixels and init */
}

Pixels all_offs = {{0}}; /* Here instead of in loop() for efficiency */
                         /* loop() will unnecessarily initialize it to 0 */
                         /* every time. */
 
void loop() {
  int i;
  Pixels pix = {{0}};

  /* If we don't set a color is already set to 0 due to {{0}} initialization */
  pix[0][PIX_RED] = 10; /* Turn on neopixel with low intensity red */
  pix[1][PIX_GRN] = 10; /* Turn on neopixel with low intensity green */
  pix[2][PIX_BLU] = 10; /* Turn on neopixel with low intensity blue */

  /* Setting the rest by alternating between two colors: yellow and purple */
  for (i = 3; i < 10; i++) {
    if (i % 2) {
      pix[i][PIX_RED] = 10;
      pix[i][PIX_GRN] = 10;
    } else {
      pix[i][PIX_RED] = 10;
      pix[i][PIX_BLU] = 10;
      pix[i][PIX_GRN] = 10;
    }
  }
  neopixel_blit(pix);   /* Set colors */
  delay(2000);          /* 2 seconds wait */

  /* Clear neopixels */
  neopixel_blit(all_offs);
  delay(2000);          /* 2 seconds wait (what happens if you remove it?) */
}