rockbox/firmware/export/events.h
Jonathan Gordon a67e5d89ef It makes more sense for the callback registrar to decide if its a "oneshot" then the callback caller.
(Doing it this way means playback could(/should?) registar a disk spinup callback at init which is called every spinup without needing to be reregistered)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16685 a1c6a512-1295-4272-9138-f99709370657
2008-03-17 05:22:53 +00:00

51 lines
1.5 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Miika Pekkarinen
*
* 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 _EVENTS_H
#define _EVENTS_H
#include <stdbool.h>
#define MAX_SYS_EVENTS 10
/**
* High nibble = Event class definition
* Low nibble = Event ID
*/
#define EVENT_CLASS_DISK 0x0100
#define EVENT_CLASS_PLAYBACK 0x0200
/**
* Because same playback events are used in mpeg.c and playback.c, define
* them here to prevent cluttering and ifdefs.
*/
enum {
PLAYBACK_EVENT_TRACK_BUFFER = (EVENT_CLASS_PLAYBACK|1),
PLAYBACK_EVENT_TRACK_FINISH,
PLAYBACK_EVENT_TRACK_CHANGE,
};
bool add_event(unsigned short id, bool oneshot, void (*handler));
void remove_event(unsigned short id, void (*handler));
void send_event(unsigned short id, void *data);
#endif