61 lines
2.2 KiB
C
61 lines
2.2 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) 2006 Jonathan Gordon
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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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#ifndef __ATACALLBACK_H__
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#define __ATACALLBACK_H__
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#include <stdbool.h>
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#include "events.h"
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/*
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NOTE: storage_idle_notify usage notes..
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1) The callbacks are called in the ata thread, not main/your thread.
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2) Asynchronous callbacks (like the buffer refill) should be avoided.
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If you must use an async callback, remember to check storage_is_active() before
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accessing the disk, and do not call any functions between that check and the
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disk access which may cause a yield (lcd_update() does this!).
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3) Do not call any yielding functions in the callback.
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4) Do not call storage_sleep in the callbacks.
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5) Don't Panic!
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*/
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enum {
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DISK_EVENT_SPINUP = (EVENT_CLASS_DISK|1),
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};
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/* Enable storage callbacks everywhere except for bootloaders. Both
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* hosted and native targets need this.
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*/
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#define USING_STORAGE_CALLBACK !defined(BOOTLOADER) && !defined(APPLICATION) && !defined(__PCTOOL__)
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extern void register_storage_idle_func(void (*function)(void *data));
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#if USING_STORAGE_CALLBACK
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extern void unregister_storage_idle_func(void (*function)(void *data), bool run);
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extern bool call_storage_idle_notifys(bool force);
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#else
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#define unregister_storage_idle_func(f,r)
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#define call_storage_idle_notifys(f)
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#define storage_idle_notify_init(s)
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#endif
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#endif /* __ATACALLBACK_H__ */
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