rockbox/firmware/drivers/lcd.h
Linus Nielsen Feltzing 638184f1a2 Added LCD contrast setting
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1710 a1c6a512-1295-4272-9138-f99709370657
2002-08-13 11:10:11 +00:00

124 lines
3.9 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Alan Korr
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __LCD_H__
#define __LCD_H__
#include <stdbool.h>
#include "sh7034.h"
#include "config.h"
/* common functions */
extern void lcd_init(void);
extern void lcd_clear_display(void);
extern void lcd_backlight(bool on);
extern void lcd_puts(int x, int y, unsigned char *string);
extern void lcd_scroll_pause(void);
extern void lcd_scroll_resume(void);
extern void lcd_puts_scroll(int x, int y, unsigned char* string );
extern void lcd_icon(int icon, bool enable);
extern void lcd_stop_scroll(void);
extern void lcd_scroll_speed( int speed );
extern void lcd_set_contrast(int val);
#if defined(SIMULATOR) || defined(HAVE_LCD_BITMAP)
extern void lcd_update(void);
/* update a fraction of the screen */
extern void lcd_update_rect(int x, int y, int width, int height);
#else
#define lcd_update()
#endif
#ifdef HAVE_LCD_CHARCELLS
/* Icon definitions for lcd_icon() */
enum
{
ICON_BATTERY = 0,
ICON_BATTERY_1,
ICON_BATTERY_2,
ICON_BATTERY_3,
ICON_USB,
ICON_PLAY,
ICON_RECORD,
ICON_PAUSE,
ICON_AUDIO,
ICON_REPEAT,
ICON_1,
ICON_VOLUME,
ICON_VOLUME_1,
ICON_VOLUME_2,
ICON_VOLUME_3,
ICON_VOLUME_4,
ICON_VOLUME_5,
ICON_PARAM
};
extern void lcd_define_pattern (int which,char *pattern,int length);
extern void lcd_double_height (bool on);
#endif
#if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
#if !defined(HAVE_LCD_BITMAP) && defined(SIMULATOR)
#define LCD_WIDTH 16*11 /* Display width in pixels */
#else
#define LCD_WIDTH 112 /* Display width in pixels */
#endif
#define LCD_HEIGHT 64 /* Display height in pixels */
#define DRAW_PIXEL(x,y) lcd_framebuffer[(x)][(y)/8] |= (1<<((y)&7))
#define CLEAR_PIXEL(x,y) lcd_framebuffer[(x)][(y)/8] &= ~(1<<((y)&7))
#define INVERT_PIXEL(x,y) lcd_framebuffer[(x)][(y)/8] ^= (1<<((y)&7))
/*
* Memory copy of display bitmap
*/
extern unsigned char lcd_framebuffer[LCD_WIDTH][LCD_HEIGHT/8] __attribute__ ((section (".idata")));
extern void lcd_putsxy(int x, int y, unsigned char *string, int font);
extern void lcd_setfont(int font);
extern void lcd_getfontsize(unsigned int font, int *width, int *height);
extern void lcd_setmargins(int xmargin, int ymargin);
extern void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
bool clear);
extern void lcd_clearrect (int x, int y, int nx, int ny);
extern void lcd_fillrect (int x, int y, int nx, int ny);
extern void lcd_drawrect (int x, int y, int nx, int ny);
extern void lcd_invertrect (int x, int y, int nx, int ny);
extern void lcd_drawline( int x1, int y1, int x2, int y2 );
extern void lcd_clearline( int x1, int y1, int x2, int y2 );
extern void lcd_drawpixel(int x, int y);
extern void lcd_clearpixel(int x, int y);
#endif /* CHARCELLS / BITMAP */
#ifdef LOADABLE_FONTS
extern int lcd_init_fonts(void);
extern void lcd_putsldfxy(int x, int y, unsigned char *str);
extern int lcd_getstringsize(unsigned char *str,
unsigned char* font,
int *w, int *h);
extern void lcd_setldfont(unsigned char* f);
extern unsigned char* lcd_getcurrentldfont(void);
#endif
#endif /* __LCD_H__ */