// Generati un semnal de 2.5 KHz, cu factor de umplere variabil, pas 3%, [5%, 95%], crestere-descrestere, la fiecare 2 secunde.// Problema 2 - forum SOC#include#include#define F_OSC 4000000#define BAUD 19200#define BAUD_RATE (F_OSC/16/BAUD - 1)void USART_initialize(unsigned short int baud_rate){/* seteaz? baud rate */UBRRH = (unsigned char)(baud_rate >> 8);UBRRL = (unsigned char)(baud_rate & 0xFF);UCSRB = (1