Unnamed

thefear@thefear:~/flshit$ cat demo.c 
#define F_CPU 20000000L
#include <avr/io.h>
#include <util/delay.h>
#define BAUD 9600L
//#define MYUBRR (F_CPU/(16*BAUD)-1)
#define MYUBRR 129


void USART_Transmit( unsigned char data );
void USART_Init( unsigned int ubrr);

int main( void )
{
USART_Init(MYUBRR);
while (1){
    USART_Transmit(0xFF);
    _delay_ms(1000);
    USART_Transmit('X');
    _delay_ms(1000);
    }
return(0);
}

void USART_Init( unsigned int ubrr)
{
    UBRR0H = (unsigned char)(ubrr>>8);
    UBRR0L = (unsigned char)ubrr;
    UCSR0A = 0;
    /*Enable receiver and transmitter */
    UCSR0B = (1<<RXEN0)|(1<<TXEN0);
    UCSR0C = (0<<UMSEL00)|(0<<UMSEL01)|(0<<UPM01)|(0<<UPM00)|(0<<USBS0)|(0<<UCSZ02)|(1<<UCSZ01)|(1<<UCSZ00);
}



void USART_Transmit( unsigned char data )
{
    /* Wait for empty transmit buffer */
    while ( !( UCSR0A & (1<<UDRE0)) )
    UDR0 = 'X';/* Put data into buffer, sends the data */
}