/*
* uart.c
*
* Created: 03-06-2014 PM 04:20:03
* Author: Help
*/

#define F_CPU 16000000UL
#include
#include
#include

void USARTInit(unsigned int ubrr_value)
{
UBRRL = ubrr_value;
UBRRH = (ubrr_value>>8);
UCSRC=(1<<URSEL)|(3<<UCSZ0); //|(1<<USBS)
UCSRB=(1<<RXEN)|(1<<TXEN);
}

unsigned char USARTReadChar()
{
while(!(UCSRA & (1<<RXC)));

return UDR;
}

void USARTWriteChar(char data)
{
while(!(UCSRA & (1<<UDRE)))
;

UDR=data;
}

void USARTFlush(void)
{
unsigned char dummy;
while ( UCSRA & (1<<RXC) ) {
dummy = UDR;}
}

int main()
{
//char data;
USARTInit(103); //UBRR = 103//9600
_delay_ms(100);
USARTFlush();
while(1)
{

// data=USARTReadChar();

// USARTWriteChar('[');
USARTWriteChar('a');
_delay_ms(500);
// USARTWriteChar(']');
// while(1);

}
}