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Add ramdisk storage driver. It will be useful for developing multi-driver storage

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18993 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2008-11-03 20:52:27 +00:00
parent 65d9ca8a6f
commit 214cd81f08
6 changed files with 206 additions and 4 deletions
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53
firmware/export/ramdisk.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Alan Korr
* Copyright (C) 2008 by Frank Gevaerts
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __RAMDISK_H__
#define __RAMDISK_H__
#include <stdbool.h>
#include "mv.h" /* for HAVE_MULTIVOLUME or not */
struct storage_info;
void ramdisk_enable(bool on);
void ramdisk_spindown(int seconds);
void ramdisk_sleep(void);
bool ramdisk_disk_is_active(void);
int ramdisk_hard_reset(void);
int ramdisk_soft_reset(void);
int ramdisk_init(void);
void ramdisk_close(void);
int ramdisk_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf);
int ramdisk_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const void* buf);
void ramdisk_spin(void);
void ramdisk_sleepnow(void);
#if (CONFIG_LED == LED_REAL)
void ramdisk_set_led_enabled(bool enabled);
#endif
#ifdef STORAGE_GET_INFO
void ramdisk_get_info(IF_MV2(int drive,) struct storage_info *info);
#endif
long ramdisk_last_disk_activity(void);
#endif