AVR-Chat

Hello :)

Problem solved

> ISR(PCINT1_vect)
> {
>   unsigned char x = PORTB;

Should be
       unsigned char x = PINB;

>   {
>      ...
>   }
>   if ((x & Bit(1)) == 1)
>   {
>     //it handle high level
>     ...
>   }
>   if ((x & Bit(2)) == 1)
>   {
>       //it handle high level
>     ...
>   }
>   if ((x & Bit(3)) == 0)
>   {
>   //it handle low level
>      ...
>   }
> }

-- 
Best regards,
Roman Antoshchenkov
mailto:djantoxa@rambler.ru