/*
 * demoApp.c
 *
 * Created: 18.10.2017. 02.02.01
 * Author : Aleksandar
 */

#define F_CPU 16000000UL
#define BAUD 38400
#define BAUDRATE ((F_CPU)/(BAUD*16UL)-1)

#include <avr/io.h>
#include <util/delay.h>
#include <string.h>

#define setBit(sfr, bit) (sfr |= (1<<bit))
#define clearBit(sfr, bit) (sfr &= ~(1<<bit))
#define toggleBit(sfr, bit) (sfr ^= (1<<bit))

void initUART(){
    UBRR0H = BAUDRATE<<8;
    UBRR0L = BAUDRATE;
    UCSR0B|= (1<<TXEN0)|(1<<RXEN0);
    UCSR0C|= (1<<UMSEL01)|(1<<UCSZ00)|(1<<UCSZ01);

void transmit(uint8_t data){
    while(!(UCSR0A & (1<<UDRE0)));
    UDR0 = data;
}

void sendASCII(char string[]){
    for(int i = 0; i < strlen(string); i++){
        transmit(string[i]);
    }
}

int main(void)
{
    char demoString[100] = "Hello world";
    initUART();
    /* Replace with your application code */
    while (1)
    {

        sendASCII(demoString);
        _delay_ms(1000);
    }
}