#define F_CPU 1200000UL
#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>
#include <stdlib.h>

#define T_POLL 136
#define TRANSON   _BV(2)
#define TRANSOFF   _BV(4)
#define LED_R   _BV(3)
#define BTN      _BV(1)

char mod = 0; // vatiable for 0 to 1
volatile uint8_t amount; //vatiable for 0 to 12 need for 12 reps ot one side and back
volatile uint8_t i; //vatiable for 0 to 10 need fo timer
volatile uint16_t Sec; //variable for count the number of second
volatile uint16_t SecF=0;// variable for make 5 second delay working mode, and than off.
int rantime; // variable for make random number.

ISR(TIM0_OVF_vect){ //timer
   TCNT0 = T_POLL;
   i++;

   if (i>=10) //period 1s
   {
      Sec++;
     i=0;
   }
}


static void pulcesDREAMon(void){
   for ( amount = 0; amount < 12; amount++ ) //this function make 11 times on/off ransistor of number 1
    {
      PORTB |= TRANSON;
      _delay_ms(500);
      PORTB &= ~TRANSON;
     _delay_ms(1000);
   }
}

static void pulcesDREAMoff(void){
   for ( amount = 0; amount < 12; amount++ ) //this function make 11 times on/off ransistor of number 2
    {
      PORTB |= TRANSOFF;
      _delay_ms(500);
      PORTB &= ~TRANSOFF;
     _delay_ms(1000);
   }
}

static void pulce_led(void){
    PORTB |= LED_R;
    _delay_ms(10);
    PORTB &= ~LED_R;
}

static void povtor_per(void){ //repeating a piece of text repeat
      SecF=5; //this variable need for check how much time passed
   Sec = 0;
}

static void povtor_per2(void){ //repeating a piece of text repeat
      SecF=3000; //this variable need for disable funtion which off the mode
   Sec = 0;
}


int main(void){

   PRR = (1<<PRADC); // shut down ADC

   TIMSK0 = (1<<TOIE0);  // timer0 overflow interrupt enable
   TCCR0B = (1<<CS02) | (1<<CS00); // prescaler 1/1024

   sei();


   DDRB = TRANSON | TRANSOFF | LED_R; //work for the exit

   rantime = 1800 + random() % 5400; //make random number between 30 min and 2 hours.

while (1){
  if (mod==0){
     if (Sec>=1800){
        pulcesDREAMon(); //on the need mode and give them to work 5 sek.
      povtor_per();
     }

    if (Sec>=SecF){ //check how much time passed
        pulcesDREAMoff();
      povtor_per2();
     }
   
  }

  if (mod==1){
     if (Sec>=rantime){
        pulcesDREAMon(); //on the need mode and give them to work 5 sek.
      povtor_per();
      rantime = 1800 + random() % 5400;
     }

    if (Sec>=SecF){
        pulcesDREAMoff(); //check how much time passed
      povtor_per2();
     }
   
     }



  if (PINB & BTN){ //just a function button processing
     cli();
     Sec = 0;
     if (mod==0){
        mod = 1;
        pulce_led();
    } else {
       mod = 0;
       pulce_led();
       _delay_ms(100);
       pulce_led();
      SecF=5400;
    }
     _delay_ms(1000);
     sei();
  }
}
}

int main(void){

}