ISR(INT4_vect){

    //if(first_start == 0){
        //first_start = 1;
    //}else{
        hopper_pulse++;

        btn_enabled = 0;

        if(hopper_pulse == coin_for_out){
            EIMSK &= ~(1<<INT4);
            //TCNT3 = 0;
            //START_HOPPER_TIMER;
            PORTJ &=~ (1<<PJ2);
            hopper_complete = 0;
            coin_for_out=0;
            hopper_pulse = 0;
            PORTJ &= ~(1<<PJ4);
            //START_BTN_TIMER;
        }

    //}

}

        if (!(PINA & (1<<PA3)) ){


            //btn_pressed_flag = 1;
            if(bill_summ>49 & btn_enabled == 1){//
                PORTJ |= (1<<PJ5);
                btn_enabled = 0;
                //coin_for_out = 1;
                coin_for_out = bill_summ / COIN_PRICE;
                summ_reciept = coin_for_out*COIN_PRICE;
                bill_summ = bill_summ - (coin_for_out*COIN_PRICE);//
                first_start = 0;
                send_sale(summ_reciept);
                hopper_pulse = 0;
                EIMSK |= (1<<INT4);
                out_coin();
                printSumm(bill_summ);
                PORTJ &= ~(1<<PJ5);

            }
        }

    void out_coin(){

    PORTJ |= (1<<PJ2);
    PORTJ |= (1<<PJ4);//LED ON
    //START_HOPPER_TIMER;
}