/* -------------------------------------------

  Copyright (C) 2024, Amlal El Mahrouss, all rights reserved.

------------------------------------------- */

#include <lib/boot.h>
#include <lib/string.h>

/// BUGS: 0

#define NB_NS16550_COM1 (NB_UART_BASE + 0x4500)
#define NB_NS16550_COM2 (NB_UART_BASE + 0x4600)

volatile ascii_char_t* const UART0DR = (ascii_char_t*) NB_NS16550_COM1;

/* this file handles the UART */

/// @brief Get character from UART.
/// @param
/// @return
utf_char_t cb_get_char(void) {
  while (!(*(((volatile uint8_t*) UART0DR) + 0x05) & 0x01))
    ;
  return (utf_char_t) *UART0DR;
}

/// @brief Put character into UART.
/// @param ch
void cb_put_char(utf_char_t ch) {
  *UART0DR = (ascii_char_t) (ch);
}

/// @brief Put string in UART.
/// @param text the input text.
size_t cb_put_string(const char* text) {
  while (*text != '\0') { /* Loop until end of string */

    cb_put_char(*text); /* Transmit char */

    text++; /* Next char */
  }
  return 0;
}