/*************************************************************************** * __________ __ ___. * 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. * ****************************************************************************/ #include #include #include #include #include #include #include "debug.h" #include "button.h" #include "lcd.h" #include "dir.h" #include "file.h" #include "kernel.h" #include "sprintf.h" #include "logf.h" #include "screens.h" #include "misc.h" #include "mas.h" #include "plugin.h" #include "lang.h" #include "keyboard.h" #include "mpeg.h" #include "buffer.h" #include "mp3_playback.h" #include "backlight.h" #include "ata.h" #include "talk.h" #include "mp3data.h" #include "powermgmt.h" #include "system.h" #include "timer.h" #include "sound.h" #include "database.h" #include "splash.h" #if (CONFIG_CODEC == SWCODEC) #include "pcm_playback.h" #endif #ifdef HAVE_LCD_BITMAP #include "peakmeter.h" #include "widgets.h" #include "bmp.h" #endif #ifdef HAVE_REMOTE_LCD #include "lcd-remote.h" #endif #ifdef SIMULATOR static unsigned char pluginbuf[PLUGIN_BUFFER_SIZE]; void *sim_plugin_load(char *plugin, int *fd); void sim_plugin_close(int fd); #else #define sim_plugin_close(x) extern unsigned char pluginbuf[]; #include "bitswap.h" #endif /* for actual plugins only, not for codecs */ static bool plugin_loaded = false; static int plugin_size = 0; static void (*pfn_tsr_exit)(void) = NULL; /* TSR exit callback */ static const struct plugin_api rockbox_api = { /* lcd */ lcd_set_contrast, lcd_clear_display, lcd_puts, lcd_puts_scroll, lcd_stop_scroll, #ifdef HAVE_LCD_CHARCELLS lcd_define_pattern, lcd_get_locked_pattern, lcd_unlock_pattern, lcd_putc, lcd_put_cursor, lcd_remove_cursor, PREFIX(lcd_icon), lcd_double_height, #else #ifndef SIMULATOR lcd_roll, #endif lcd_set_drawmode, lcd_get_drawmode, lcd_setfont, lcd_getstringsize, lcd_drawpixel, lcd_drawline, lcd_hline, lcd_vline, lcd_drawrect, lcd_fillrect, lcd_mono_bitmap_part, lcd_mono_bitmap, #if LCD_DEPTH > 1 lcd_set_foreground, lcd_get_foreground, lcd_set_background, lcd_get_background, lcd_bitmap_part, lcd_bitmap, #endif lcd_putsxy, lcd_puts_style, lcd_puts_scroll_style, &lcd_framebuffer[0][0], lcd_blit, lcd_update, lcd_update_rect, scrollbar, checkbox, font_get, font_getstringsize, font_get_width, #endif backlight_on, backlight_off, backlight_set_timeout, gui_syncsplash, #ifdef HAVE_REMOTE_LCD /* remote lcd */ lcd_remote_set_contrast, lcd_remote_clear_display, lcd_remote_puts, lcd_remote_puts_scroll, lcd_remote_stop_scroll, #ifndef SIMULATOR lcd_remote_roll, #endif lcd_remote_set_drawmode, lcd_remote_get_drawmode, lcd_remote_setfont, lcd_remote_getstringsize, lcd_remote_drawpixel, lcd_remote_drawline, lcd_remote_hline, lcd_remote_vline, lcd_remote_drawrect, lcd_remote_fillrect, lcd_remote_mono_bitmap_part, lcd_remote_mono_bitmap, lcd_remote_putsxy, lcd_remote_puts_style, lcd_remote_puts_scroll_style, &lcd_remote_framebuffer[0][0], lcd_remote_update, lcd_remote_update_rect, remote_backlight_on, remote_backlight_off, #endif /* button */ button_get, button_get_w_tmo, button_status, button_clear_queue, #if CONFIG_KEYPAD == IRIVER_H100_PAD button_hold, #endif /* file */ (open_func)PREFIX(open), close, (read_func)read, PREFIX(lseek), (creat_func)PREFIX(creat), (write_func)write, PREFIX(remove), PREFIX(rename), PREFIX(ftruncate), PREFIX(filesize), fdprintf, read_line, settings_parseline, #ifndef SIMULATOR ata_sleep, #endif /* dir */ PREFIX(opendir), PREFIX(closedir), PREFIX(readdir), PREFIX(mkdir), /* kernel/ system */ PREFIX(sleep), yield, ¤t_tick, default_event_handler, default_event_handler_ex, create_thread, remove_thread, reset_poweroff_timer, #ifndef SIMULATOR system_memory_guard, &cpu_frequency, #ifdef HAVE_ADJUSTABLE_CPU_FREQ cpu_boost, #endif timer_register, timer_unregister, timer_set_period, #endif /* strings and memory */ snprintf, strcpy, strncpy, strlen, strrchr, strcmp, strncmp, strcasecmp, strncasecmp, memset, memcpy, _ctype_, atoi, strchr, strcat, memcmp, strcasestr, /* unicode stuff */ utf8decode, iso_decode, utf16LEdecode, utf16BEdecode, utf8encode, utf8length, /* sound */ sound_set, sound_min, sound_max, #ifndef SIMULATOR mp3_play_data, mp3_play_pause, mp3_play_stop, mp3_is_playing, #if CONFIG_CODEC != SWCODEC bitswap, #endif #if CONFIG_CODEC == SWCODEC pcm_play_data, pcm_play_stop, pcm_set_frequency, pcm_is_playing, pcm_play_pause, #endif #endif /* playback control */ PREFIX(audio_play), audio_stop, audio_pause, audio_resume, audio_next, audio_prev, audio_ff_rewind, audio_next_track, playlist_amount, audio_status, audio_has_changed_track, audio_current_track, audio_flush_and_reload_tracks, audio_get_file_pos, #if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC) mpeg_get_last_header, #endif #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) sound_set_pitch, #endif #if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC) /* MAS communication */ mas_readmem, mas_writemem, mas_readreg, mas_writereg, #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) mas_codec_writereg, mas_codec_readreg, #endif #endif /* !SIMULATOR && CONFIG_CODEC != SWCODEC */ /* tag database */ &tagdbheader, &tagdb_fd, &tagdb_initialized, tagdb_init, /* runtime database */ &rundbheader, &rundb_fd, &rundb_initialized, /* menu */ menu_init, menu_exit, menu_show, menu_run, menu_cursor, menu_description, menu_delete, menu_count, menu_moveup, menu_movedown, menu_draw, menu_insert, menu_set_cursor, /* misc */ srand, rand, (qsort_func)qsort, kbd_input, get_time, set_time, plugin_get_buffer, plugin_get_audio_buffer, plugin_tsr, #if defined(DEBUG) || defined(SIMULATOR) debugf, #endif #ifdef ROCKBOX_HAS_LOGF logf, #endif &global_settings, mp3info, count_mp3_frames, create_xing_header, find_next_frame, battery_level, battery_level_safe, #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) peak_meter_scale_value, peak_meter_set_use_dbfs, peak_meter_get_use_dbfs, #endif #ifdef HAVE_LCD_BITMAP read_bmp_file, screen_dump_set_hook, #endif show_logo, /* new stuff at the end, sort into place next time the API gets incompatible */ #ifdef RB_PROFILE profile_thread, profstop, profile_func_enter, profile_func_exit, #endif }; int plugin_load(const char* plugin, void* parameter) { int fd, rc; struct plugin_header *hdr; #ifndef SIMULATOR ssize_t readsize; #endif #ifdef HAVE_LCD_BITMAP int xm, ym; #endif if (pfn_tsr_exit != NULL) /* if we have a resident old plugin: */ { pfn_tsr_exit(); /* force it to exit now */ pfn_tsr_exit = NULL; plugin_loaded = false; } lcd_clear_display(); #ifdef HAVE_LCD_BITMAP xm = lcd_getxmargin(); ym = lcd_getymargin(); lcd_setmargins(0,0); lcd_update(); #endif #ifdef SIMULATOR hdr = sim_plugin_load((char *)plugin, &fd); if (!fd) { gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_CANT_OPEN), plugin); return -1; } if (hdr == NULL || hdr->magic != PLUGIN_MAGIC || hdr->target_id != TARGET_ID) { sim_plugin_close(fd); gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_MODEL)); return -1; } if (hdr->api_version > PLUGIN_API_VERSION || hdr->api_version < PLUGIN_MIN_API_VERSION) { sim_plugin_close(fd); gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_VERSION)); return -1; } #else fd = open(plugin, O_RDONLY); if (fd < 0) { gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_CANT_OPEN), plugin); return fd; } /* zero out plugin buffer to ensure a properly zeroed bss area */ memset(pluginbuf, 0, PLUGIN_BUFFER_SIZE); readsize = read(fd, pluginbuf, PLUGIN_BUFFER_SIZE); close(fd); if (readsize < 0) { gui_syncsplash(HZ*2, true, str(LANG_READ_FAILED), plugin); return -1; } hdr = (struct plugin_header *)pluginbuf; if ((unsigned)readsize <= sizeof(struct plugin_header) || hdr->magic != PLUGIN_MAGIC || hdr->target_id != TARGET_ID || hdr->load_addr != pluginbuf || hdr->end_addr > pluginbuf + PLUGIN_BUFFER_SIZE) { gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_MODEL)); return -1; } if (hdr->api_version > PLUGIN_API_VERSION || hdr->api_version < PLUGIN_MIN_API_VERSION) { gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_VERSION)); return -1; } plugin_size = hdr->end_addr - pluginbuf; #endif plugin_loaded = true; invalidate_icache(); rc = hdr->entry_point((struct plugin_api*) &rockbox_api, parameter); /* explicitly casting the pointer here to avoid touching every plugin. */ button_clear_queue(); #ifdef HAVE_LCD_BITMAP #if LCD_DEPTH > 1 lcd_set_drawinfo(DRMODE_SOLID, LCD_DEFAULT_FG, LCD_DEFAULT_BG); #else /* LCD_DEPTH == 1 */ lcd_set_drawmode(DRMODE_SOLID); #endif /* LCD_DEPTH */ /* restore margins */ lcd_setmargins(xm,ym); #endif /* HAVE_LCD_BITMAP */ if (pfn_tsr_exit == NULL) plugin_loaded = false; sim_plugin_close(fd); switch (rc) { case PLUGIN_OK: break; case PLUGIN_USB_CONNECTED: return PLUGIN_USB_CONNECTED; default: gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_ERROR)); break; } return PLUGIN_OK; } /* Returns a pointer to the portion of the plugin buffer that is not already being used. If no plugin is loaded, returns the entire plugin buffer */ void* plugin_get_buffer(int* buffer_size) { int buffer_pos; if (plugin_loaded) { if (plugin_size >= PLUGIN_BUFFER_SIZE) return NULL; *buffer_size = PLUGIN_BUFFER_SIZE-plugin_size; buffer_pos = plugin_size; } else { *buffer_size = PLUGIN_BUFFER_SIZE; buffer_pos = 0; } return &pluginbuf[buffer_pos]; } /* Returns a pointer to the mp3 buffer. Playback gets stopped, to avoid conflicts. */ void* plugin_get_audio_buffer(int* buffer_size) { audio_stop(); talk_buffer_steal(); /* we use the mp3 buffer, need to tell */ *buffer_size = audiobufend - audiobuf; return audiobuf; } /* The plugin wants to stay resident after leaving its main function, e.g. runs from timer or own thread. The callback is registered to later instruct it to free its resources before a new plugin gets loaded. */ void plugin_tsr(void (*exit_callback)(void)) { pfn_tsr_exit = exit_callback; /* remember the callback for later */ }