/*
 * Copyright (C) 2003, 2004 Stefan Reinauer
 *
 * See the file "COPYING" for further information about
 * the copyright and warranty status of this work.
 */

#include "openbios/config.h"
#include "openbios/bindings.h"
#include "openbios/kernel.h"
#include "openbios/drivers.h"
#include "openbios/fontdata.h"
#include "openbios.h"
#include "video_subr.h"
#include "libc/vsprintf.h"
#include "sys_info.h"
#include "boot.h"

/* ******************************************************************
 *          simple polling video/keyboard console functions
 * ****************************************************************** */

#ifdef CONFIG_DEBUG_CONSOLE
/* ******************************************************************
 *      common functions, implementing simple concurrent console
 * ****************************************************************** */

int putchar(int c)
{
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
	serial_putchar(c);
#endif
	return c;
}

int availchar(void)
{
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
	if (uart_charav(CONFIG_SERIAL_PORT))
		return 1;
#endif
#ifdef CONFIG_DEBUG_CONSOLE_VGA
        if (pc_kbd_dataready())
		return 1;
#endif
	return 0;
}

int getchar(void)
{
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
	if (uart_charav(CONFIG_SERIAL_PORT))
		return (uart_getchar(CONFIG_SERIAL_PORT));
#endif
#ifdef CONFIG_DEBUG_CONSOLE_VGA
        if (pc_kbd_dataready())
                return (pc_kbd_readdata());
#endif
	return 0;
}

void cls(void)
{
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
	serial_putchar(27);
	serial_putchar('[');
	serial_putchar('H');
	serial_putchar(27);
	serial_putchar('[');
	serial_putchar('J');
#endif
}

#endif // CONFIG_DEBUG_CONSOLE
