#ifndef F_CPU
#define F_CPU 16000000UL //16MHz
#endif
#define UART_BAUDRATE 9600 
#define MYUBRR (((F_CPU/16)/UART_BAUDRATE)-1)


void serial_init( void )
{
	UBRR0H = (uint8_t) (MYUBRR>>8);				
	UBRR0L = (uint8_t)(MYUBRR);
	UCSR0B = (1<<RXEN0)|(1<<TXEN0);				
	UCSR0C = (3<<UCSZ00);
}

void serial_chr( unsigned char data )
{
	while(!(UCSR0A & (1<<UDRE0)));			
	UDR0 = data;								
}

unsigned char serial_read( void )
{
	while(!(UCSR0A & (1<<RXC0)));			
	return UDR0;
}


void setup(){

	serial_init();
	serial_chr('A');
	


}

void loop(){


}