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rockbox/apps/plugin.h
Jens Arnold 0258287e57 Made the char property lookup table constant 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4905 a1c6a512-1295-4272-9138-f99709370657
2004-07-20 22:32:17 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Björn Stenberg
*
* 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 _PLUGIN_H_
#define _PLUGIN_H_
/* instruct simulator code to not redefine any symbols when compiling plugins.
(the PLUGIN macro is defined in apps/plugins/Makefile) */
#ifdef PLUGIN
#define NO_REDEFINES_PLEASE
#endif
#ifndef MEM
#define MEM 2
#endif
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "dir.h"
#include "kernel.h"
#include "button.h"
#include "font.h"
#include "system.h"
#include "lcd.h"
#include "id3.h"
#include "mpeg.h"
#include "mp3_playback.h"
#include "settings.h"
#include "thread.h"
#include "playlist.h"
#ifdef HAVE_LCD_BITMAP
#include "widgets.h"
#endif
#ifdef PLUGIN
#if defined(DEBUG) || defined(SIMULATOR)
#define DEBUGF rb->debugf
#define LDEBUGF rb->debugf
#else
#define DEBUGF(...)
#define LDEBUGF(...)
#endif
#endif
/* increase this every time the api struct changes */
#define PLUGIN_API_VERSION 21
/* update this to latest version if a change to the api struct breaks
backwards compatibility (and please take the opportunity to sort in any
new function which are "waiting" at the end of the function table) */
#define PLUGIN_MIN_API_VERSION 19
/* plugin return codes */
enum plugin_status {
PLUGIN_OK = 0,
PLUGIN_USB_CONNECTED,
PLUGIN_WRONG_API_VERSION = -1,
PLUGIN_WRONG_MODEL = -2,
PLUGIN_ERROR = -3,
};
/* different (incompatible) plugin models */
enum model {
PLAYER,
RECORDER
};
#ifdef HAVE_LCD_CHARCELLS
#define MODEL PLAYER
#else
#define MODEL RECORDER
#endif
/* compatibility test macro */
#define TEST_PLUGIN_API(_api_) \
do { \
int _rc_ = _api_->plugin_test(PLUGIN_API_VERSION, MODEL, MEM); \
if (_rc_<0) \
return _rc_; \
} while(0)
/* NOTE: To support backwards compatibility, only add new functions at
the end of the structure. Every time you add a new function,
remember to increase PLUGIN_API_VERSION. If you make changes to the
existing APIs then also update PLUGIN_MIN_API_VERSION to current
version
*/
struct plugin_api {
/* these two fields must always be first, to ensure
TEST_PLUGIN_API will always work */
int version;
int (*plugin_test)(int api_version, int model, int memsize);
/* lcd */
void (*lcd_clear_display)(void);
void (*lcd_puts)(int x, int y, unsigned char *string);
void (*lcd_puts_scroll)(int x, int y, unsigned char* string);
void (*lcd_stop_scroll)(void);
#ifdef HAVE_LCD_CHARCELLS
void (*lcd_define_pattern)(int which,char *pattern);
unsigned char (*lcd_get_locked_pattern)(void);
void (*lcd_unlock_pattern)(unsigned char pat);
void (*lcd_putc)(int x, int y, unsigned short ch);
#else
void (*lcd_putsxy)(int x, int y, const unsigned char *string);
void (*lcd_bitmap)(const unsigned char *src, int x, int y,
int nx, int ny, bool clear);
void (*lcd_drawline)(int x1, int y1, int x2, int y2);
void (*lcd_clearline)(int x1, int y1, int x2, int y2);
void (*lcd_drawpixel)(int x, int y);
void (*lcd_clearpixel)(int x, int y);
void (*lcd_setfont)(int font);
void (*lcd_clearrect)(int x, int y, int nx, int ny);
void (*lcd_fillrect)(int x, int y, int nx, int ny);
void (*lcd_drawrect)(int x, int y, int nx, int ny);
void (*lcd_invertrect)(int x, int y, int nx, int ny);
int (*lcd_getstringsize)(unsigned char *str, int *w, int *h);
void (*lcd_update)(void);
void (*lcd_update_rect)(int x, int y, int width, int height);
void (*scrollbar)(int x, int y, int width, int height, int items,
int min_shown, int max_shown, int orientation);
#ifndef SIMULATOR
void (*lcd_roll)(int pixels);
#endif
#endif
/* button */
int (*button_get)(bool block);
int (*button_get_w_tmo)(int ticks);
/* file */
int (*open)(const char* pathname, int flags);
int (*close)(int fd);
ssize_t (*read)(int fd, void* buf, size_t count);
off_t (*lseek)(int fd, off_t offset, int whence);
int (*creat)(const char *pathname, mode_t mode);
ssize_t (*write)(int fd, const void* buf, size_t count);
int (*remove)(const char* pathname);
int (*rename)(const char* path, const char* newname);
int (*ftruncate)(int fd, off_t length);
int (*filesize)(int fd);
int (*fprintf)(int fd, const char *fmt, ...);
int (*read_line)(int fd, char* buffer, int buffer_size);
/* dir */
DIR* (*opendir)(const char* name);
int (*closedir)(DIR* dir);
struct dirent* (*readdir)(DIR* dir);
/* kernel */
void (*sleep)(int ticks);
void (*usb_screen)(void);
long* current_tick;
/* strings and memory */
int (*snprintf)(char *buf, size_t size, const char *fmt, ...);
char* (*strcpy)(char *dst, const char *src);
size_t (*strlen)(const char *str);
char * (*strrchr)(const char *s, int c);
void* (*memset)(void *dst, int c, size_t length);
void* (*memcpy)(void *out, const void *in, size_t n);
#ifndef SIMULATOR
const char *_ctype_;
#endif
/* sound */
#ifndef SIMULATOR
#ifdef HAVE_MAS3587F
int (*mas_codec_readreg)(int reg);
#endif
#endif
/* misc */
void (*srand)(unsigned int seed);
int (*rand)(void);
void (*splash)(int ticks, bool center, char *fmt, ...);
void (*qsort)(void *base, size_t nmemb, size_t size,
int(*compar)(const void *, const void *));
int (*kbd_input)(char* buffer, int buflen);
struct mp3entry* (*mpeg_current_track)(void);
int (*atoi)(const char *str);
struct tm* (*get_time)(void);
void* (*plugin_get_buffer)(int* buffer_size);
/* new stuff, sort in next time the API gets broken! */
#ifndef HAVE_LCD_CHARCELLS
unsigned char* lcd_framebuffer;
void (*lcd_blit) (unsigned char* p_data, int x, int y, int width, int height, int stride);
#endif
void (*yield)(void);
void* (*plugin_get_mp3_buffer)(int* buffer_size);
void (*mpeg_sound_set)(int setting, int value);
#ifndef SIMULATOR
void (*mp3_play_data)(unsigned char* start, int size, void (*get_more)(unsigned char** start, int* size));
void (*mp3_play_pause)(bool play);
void (*mp3_play_stop)(void);
bool (*mp3_is_playing)(void);
void (*bitswap)(unsigned char *data, int length);
#endif
struct user_settings* global_settings;
void (*backlight_set_timeout)(int index);
#ifndef SIMULATOR
int (*ata_sleep)(void);
#endif
#ifdef HAVE_LCD_BITMAP
void (*checkbox)(int x, int y, int width, int height, bool checked);
#endif
#ifndef SIMULATOR
int (*plugin_register_timer)(int cycles, int prio, void (*timer_callback)(void));
void (*plugin_unregister_timer)(void);
#endif
void (*plugin_tsr)(void (*exit_callback)(void));
int (*create_thread)(void* function, void* stack, int stack_size, char *name);
void (*remove_thread)(int threadnum);
void (*lcd_set_contrast)(int x);
/* playback control */
void (*mpeg_play)(int offset);
void (*mpeg_stop)(void);
void (*mpeg_pause)(void);
void (*mpeg_resume)(void);
void (*mpeg_next)(void);
void (*mpeg_prev)(void);
void (*mpeg_ff_rewind)(int newtime);
struct mp3entry* (*mpeg_next_track)(void);
int (*playlist_amount)(void);
int (*mpeg_status)(void);
bool (*mpeg_has_changed_track)(void);
#ifdef HAVE_LCD_BITMAP
struct font* (*font_get)(int font);
#endif
#if defined(DEBUG) || defined(SIMULATOR)
void (*debugf)(char *fmt, ...);
#endif
bool (*mp3info)(struct mp3entry *entry, char *filename) ;
int (*count_mp3_frames)(int fd, int startpos, int filesize,
void (*progressfunc)(int));
int (*create_xing_header)(int fd, int startpos, int filesize,
unsigned char *buf, int num_frames,
unsigned long header_template,
void (*progressfunc)(int), bool generate_toc);
#ifndef SIMULATOR
int (*mas_readmem)(int bank, int addr, unsigned long* dest, int len);
int (*mas_writemem)(int bank, int addr, unsigned long* src, int len);
int (*mas_readreg)(int reg);
int (*mas_writereg)(int reg, unsigned int val);
#ifdef HAVE_MAS3587F
int (*mas_codec_writereg)(int reg, unsigned int val);
#endif
#endif
int (*battery_level)(void);
int (*set_time)(struct tm *tm);
void (*reset_poweroff_timer)(void);
void (*backlight_on)(void);
void (*backlight_off)(void);
#ifdef HAVE_LCD_CHARCELLS
void (*lcd_icon)(int icon, bool enable);
#endif
#ifdef HAVE_LCD_BITMAP
void (*lcd_puts_style)(int x, int y, unsigned char *str, int style);
#endif
#ifdef HAVE_LCD_CHARCELLS
void (*lcd_put_cursor)(int x, int y, char cursor_char);
void (*lcd_remove_cursor)(void);
#endif
bool (*settings_parseline)(char* line, char** name, char** value);
int (*strcmp)(const char *, const char *);
};
/* defined by the plugin loader (plugin.c) */
int plugin_load(char* plugin, void* parameter);
void* plugin_get_buffer(int *buffer_size);
void* plugin_get_mp3_buffer(int *buffer_size);
int plugin_register_timer(int cycles, int prio, void (*timer_callback)(void));
void plugin_unregister_timer(void);
void plugin_tsr(void (*exit_callback)(void));
/* defined by the plugin */
enum plugin_status plugin_start(struct plugin_api* rockbox, void* parameter)
__attribute__ ((section (".entry")));
#endif
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