utilities.h

#ifndef UTILITIES_H
    #define UTILITIES_H
    #pragma once
    #define DEBUG // If enable, debugging routines will be compiled

    #define DEBUG

    #ifdef __AVR__
        #include "../lib_uart/uart.h"
    #endif
    #include <stdlib.h>
    #include <stdio.h>
    #include <inttypes.h>
    #include <string.h>

    #define OPPOSITE_BIT(i) (i == 0) ? 1 : 0
    #ifdef __AVR__
        int freeRam(); // Returns the memory available
    #else
        char bin_to_ascii(uint8_t bin);
        uint8_t ascii_to_bin(char bin);
    #endif

    #ifdef DEBUG
        void print_var_bits(uint16_t var, uint8_t n);
        void error(char* str); // Exit the program with the error code EXIT_FAILED
    #endif

    uint16_t int_pow(uint16_t a, uint16_t b);   // Computes a^b
#endif // UTILITIES_H