Source Code:

    

      

      #include <avr/io.h> 

void usart_init (void)
{
  UCSRB = (1<<TXEN) ;								
  UCSRC = (1<< UCSZ1)|(1<<UCSZ0)|(1<<URSEL);
  UBRRL = 0x33 ;
}	

void usart_send (unsigned char ch)
{					
  while (! (UCSRA & (1<<UDRE))); 	
  UDR = ch ;		
}

int main (void)
{
  usart_init();					

  while(1)						
  	usart_send('G');

  return 0 ;
}