#include <util/delay.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include "light_ws2812.h"


//const uint8_t NUM_LEDS = 24; // Anzahl Leds
#define NUM_LEDS 60
struct cRGB leds[NUM_LEDS];



void ledOff(int number) {
      leds[number].r = 0;
      leds[number].g = 0;
      leds[number].b = 0;
      ws2812_setleds(leds, NUM_LEDS);
}

void ledOn(int number) {
      leds[number].r = 125;
      leds[number].g = 72;
      leds[number].b = 15;
      ws2812_setleds(leds, NUM_LEDS);
}


void real_delay() {
    _delay_ms(100);
}


int main(void)
{
  while(1)
  {

    ledOn(0);
    real_delay();
    ledOn(1);
    real_delay();
    ledOn(2);
    real_delay();

    // this loop turns on led 4, and turns of 4-3 = 1.....then 5,2 then, 6,3 and so on
    for(uint8_t step = 3; step < NUM_LEDS-2; step++) {
        // last led of the 3, off
        ledOff(step-3);
        real_delay();
        // next led on
        ledOn(step);
        real_delay(); 
    }
    
    // the last 3 on
    ledOn(57);
    real_delay();
    ledOn(58);
    real_delay();
    ledOn(59);
    
    // the last 3 off
    ledOff(60);
    real_delay();
    ledOff(59);
    real_delay();
    ledOff(58);
    
    // this for loop runs backward, like the first one
    for(uint8_t step = 57; step > 2; step--) {
        //last led On
        ledOn(step);
        real_delay();
        // next led on
        ledOff(step+3);
        real_delay(); 
    }

  }
}