/*
 * Base driver module for Hitachi HD44780 based LCD displays. This is
 * a modular driver that allows support for alternative HD44780
 * designs to be added in a flexible and maintainable manner.
 *
 * This file is released under the GNU General Public License. Refer to the
 * COPYING file distributed with this package.
 *
 * Copyright (c)  1999, 1995 Benjamin Tse <blt@Comports.com>
 *		  1999 Andrew McMeikan <andrewm@engineer.com>
 *		  1998 Richard Rognlie <rrognlie@gamerz.net>
 *
 1997 Matthias Prinke <m.prinke@trashcan.mcnet.de>
 */

#ifndef HD44780_H
#define HD44780_H

#include "lcd.h"

MODULE_EXPORT int  HD44780_init (Driver *drvthis, char *args);
MODULE_EXPORT void HD44780_close (Driver *drvthis);
MODULE_EXPORT int  HD44780_width (Driver *drvthis);
MODULE_EXPORT int  HD44780_height (Driver *drvthis);
MODULE_EXPORT void HD44780_clear (Driver *drvthis);
MODULE_EXPORT void HD44780_flush (Driver *drvthis);
MODULE_EXPORT void HD44780_string (Driver *drvthis, int x, int y, char *s);
MODULE_EXPORT void HD44780_chr (Driver *drvthis, int x, int y, char ch);

MODULE_EXPORT void HD44780_vbar (Driver *drvthis, int x, int y, int len, int promille, int options);
MODULE_EXPORT void HD44780_hbar (Driver *drvthis, int x, int y, int len, int promille, int options);
MODULE_EXPORT void HD44780_num (Driver *drvthis, int x, int num);
MODULE_EXPORT int  HD44780_icon (Driver *drvthis, int x, int y, int icon);

MODULE_EXPORT void HD44780_set_char (Driver *drvthis, int n, char *dat);

MODULE_EXPORT void HD44780_backlight (Driver *drvthis, int on);
MODULE_EXPORT void HD44780_output (Driver *drvthis, int state);

MODULE_EXPORT char * HD44780_get_key (Driver *drvthis);

static        void HD44780_init_vbar (Driver *drvthis);
static        void HD44780_init_hbar (Driver *drvthis);
static        void HD44780_init_num (Driver *drvthis);

#endif