/* 
 * File:   uart.h
 * Author: Sebastian H. Gabrielli
 *
 * Created on March 6, 2024, 3:19 PM
 */

#ifndef UART_H
#define	UART_H

#ifdef	__cplusplus
extern "C" {
#endif

#include <avr/io.h>
#include <stdio.h>

#ifndef F_CPU
    #define F_CPU 4E6
#endif
    
#define USART3_BAUD_RATE(BAUD_RATE) ((float)(F_CPU * 64 / (16 * (float)BAUD_RATE)) + 0.5)
    
void init_uart(uint16_t baud);
void USART3_sendChar(char c);
int USART3_printChar(char c, FILE *stream);

static FILE USART_stream = FDEV_SETUP_STREAM(USART3_printChar, NULL, _FDEV_SETUP_WRITE);

#ifdef	__cplusplus
}
#endif

#endif	/* UART_H */