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