#include <kernel/tty.h>
#include <stdint.h>
#include <stdbool.h>
#include <strlib.h>

void print_hex_digit(uint8_t digit)
{
    digit = digit & 0xf;
    if (digit < 0xA) {
        terminal_putchar(digit + 0x30);
    } else {
        terminal_putchar(digit + 0x41 - 0xA);
    }
}

void print_hex_byte(uint8_t byte) 
{
    int upper = byte >> 4;
    int lower = byte & 0x0F;

    print_hex_digit(upper);
    print_hex_digit(lower);
}

void print_hex_bytes(void* bytes, size_t len) 
{
    uint8_t* value = bytes;
    for (size_t i = len; i > 0; i--) {
        print_hex_byte(value[i - 1]);
    }
}