DBGU.h //fifo

#ifndef DBGU_H
#define DBGU_H

#include <stdbool.h>

#define PROCESSOR_CLOCK 100000000 // 100MHz
#define BUFFERSIZE 0xF
#define RETURN 13

typedef struct FIFO {
    char buffer[BUFFERSIZE + 1];
    unsigned int head;
    unsigned int tail;
} Fifo;

int DBGU_init(void);
int dbgu_print_ascii();
int dbgu_read_ascii();
void dbgu_print_warning();
void newLine();
void FIFO_Init (Fifo *);
bool is_FIFO_full(Fifo *);
int FIFO_Put (Fifo *, char);
int FIFO_Get (Fifo *, char *);
void echo(char *);
void charToUpper(char *);
void charToLower(char *);

#endif