// NeoPixel Ring simple sketch (c) 2013 Shae Erisson
// Released under the GPLv3 license to match the rest of the
// Adafruit NeoPixel library

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
 #include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif

#define PIN             0
#define NUMPIXELS       8
#define BRIGHTNESS      15
#define TIME_BLUE       15
#define TIME_RED        10
#define BLINK_INTERVAL  500 //в миллисекундах
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);


void setup() {

#if defined(__AVR_ATtiny85__) && (F_CPU == 16000000)
  clock_prescale_set(clock_div_1);
#endif

  pixels.begin();
  long timb = TIME_BLUE;
  long timr = TIME_RED;
  long blink = BLINK_INTERVAL;
  pixels.clear();

  //all blue
  for (int i=0; i<NUMPIXELS; i++){
    pixels.setPixelColor(i, pixels.Color(0, 0, BRIGHTNESS));
    }
  pixels.show();

  //blue part
  long intb = (timb*1000)/NUMPIXELS;
  long lastb = millis();
  bool state = true;
  for(int i=NUMPIXELS; i>0; i--) {
    while(lastb + intb > blink + millis()){
      if(state){
        pixels.setPixelColor(i-1, pixels.Color(BRIGHTNESS, 0, 0));
        pixels.show();
        state = false;
      }
      else{
        pixels.setPixelColor(i-1, pixels.Color(0, 0, BRIGHTNESS));
        pixels.show();
        state = true;
      }
      delay(blink);
    }
    pixels.setPixelColor(i-1, pixels.Color(BRIGHTNESS, 0, 0));
    pixels.show();
    state = true;
    delay(lastb + intb - millis());
    lastb = millis();
  }

  //all red
  for (int i=0; i<NUMPIXELS; i++){
    pixels.setPixelColor(i, pixels.Color(BRIGHTNESS, 0, 0));
    pixels.show();
  }

  //red blink
  long intr = (timr*1000)/NUMPIXELS;
  long lastr = millis();
  for(int i=NUMPIXELS; i>0; i--) {
    while(lastr + intr > blink + millis()){
      if(state){
        pixels.setPixelColor(i-1, pixels.Color(0, 0, 0));
        pixels.show();
        state = false;
      }
      else{
        pixels.setPixelColor(i-1, pixels.Color(BRIGHTNESS, 0, 0));
        pixels.show();
        state = true;
      }
      delay(blink);
    }
    pixels.setPixelColor(i-1, pixels.Color(0, 0, 0));
    pixels.show();
    state = true;
    delay(lastr + intr - millis());
    lastr = millis();
  }
}

void loop(){

  for (int i=0; i<NUMPIXELS; i++){
    pixels.setPixelColor(i, pixels.Color(BRIGHTNESS, 0, 0));
    pixels.show();
  }
delay(500);

for (int i=0; i<NUMPIXELS; i++){
    pixels.setPixelColor(i, pixels.Color(0, BRIGHTNESS, 0));
    pixels.show();
  }
delay(1000);
}