#define F_CPU 1000000UL
#include <avr/io.h>
#include <util/delay.h>
void ports_init();
void timerCounter0_init();
void blinkBlueLeds();
void blinkGreenLeds();
void blinkYellowLeds();
void blinkRedLeds();
unsigned char blueLedsCounter=1;
unsigned char blueLedsTemp=1;
unsigned char greenLedsCounter=1;
unsigned char greenLedsTemp=16;
unsigned char redLedsCounter=1;

int main(void)
{
unsigned char pwmState=0;
ports_init();
timerCounter0_init();
while(1){
        blinkBlueLeds();
        blinkGreenLeds();
        blinkYellowLeds();
        blinkRedLeds();
        //_delay_ms(500);
        if (((PINB & (1<<PB0))==0) && (pwmState==0)){
            OCR0 = (255/3);
            pwmState = 1;
        }
        if (((PINB & (1<<PB0))!=0) && (pwmState==1)){
            OCR0 = 0;
            pwmState = 0;
        }
    }
}

void ports_init(){
    DDRA = 0b00011111;
    PORTA= 0b11100000;
    DDRB = 248;
    PORTB= 7;
    DDRC = (1<<PC7)|(1<<PC5)|(1<<PC3)|(1<<PC1);
    PORTC= 0b11011101;
    DDRD = 0xFF;
    PORTD= 0x00;
}

void timerCounter0_init(){
    TCNT0= 0x00;
    OCR0 = 0x00;
    TCCR0= (1<<WGM00)|(1<<COM01)|(1<<CS00);
}

void blinkBlueLeds(){
    if(blueLedsCounter <= 5){
        PORTA = (224+blueLedsTemp);
        blueLedsCounter++;
        blueLedsTemp *= 2;
    }

    else{
        PORTA=(224+1);
        blueLedsCounter = 2;
        blueLedsTemp = 2;
    }
}

void blinkGreenLeds(){
    if(greenLedsCounter <= 4){
        PORTB = (7+greenLedsTemp);
        greenLedsCounter++;
        greenLedsTemp *= 2;
    }
    else{
        PORTB=(7+16);
        greenLedsCounter=2;
        greenLedsTemp=32;
    }
}

void blinkYellowLeds(){
    PORTC ^= (1<<PC7)|(1<<PC5)|(1<<PC3)|(1<<PC1);
}

void blinkRedLeds(){
    if(redLedsCounter<256){
        PORTD = redLedsCounter;
        redLedsCounter++;
    }
    else{
        PORTD=1;
        redLedsCounter=2;
    }
}