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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Jens Arnold
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
/* target dependent - to be adjusted for other charcell targets */
#define HW_PATTERN_SIZE 7 /* number of bytes per pattern */
#define MAX_HW_PATTERNS 8 /* max. number of user-definable hw patterns */
struct cursor_info {
unsigned char hw_char;
unsigned char subst_char;
bool enabled;
bool visible;
int x;
int y;
int divider;
int downcount;
};
/* map unicode characters to hardware or extended lcd characters */
struct xchar_info {
unsigned short ucs;
unsigned short glyph;
/* 0x0000..0x7fff: fixed extended characters
* 0x8000..0xffff: variable extended characters
* Dontcare if priority == 0 */
unsigned char priority;
unsigned char hw_char; /* direct or substitute */
};
/* track usage of user-definable characters */
struct pattern_info {
short count;
unsigned short glyph;
unsigned char priority;
unsigned char pattern[HW_PATTERN_SIZE];
};
extern int lcd_pattern_count; /* actual number of user-definable hw patterns */
extern unsigned char lcd_charbuffer[LCD_HEIGHT][LCD_WIDTH];
extern struct pattern_info lcd_patterns[MAX_HW_PATTERNS];
extern struct cursor_info lcd_cursor;
extern const struct xchar_info *xchar_info;
extern int xchar_info_size; /* number of entries */
extern const unsigned char xfont_fixed[][HW_PATTERN_SIZE];
void lcd_charset_init(void);
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