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105 lines
3.6 KiB
C
105 lines
3.6 KiB
C
/*
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fat.h
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Simple functionality for startup, mounting and unmounting of FAT-based devices.
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Copyright (c) 2006 - 2009
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Michael "Chishm" Chisholm
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Dave "WinterMute" Murphy
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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3. The name of the author may not be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LIBFAT_H
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#define _LIBFAT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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// When compiling for NDS, make sure NDS is defined
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#ifndef NDS
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#if defined ARM9 || defined ARM7
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#define NDS
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#endif
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#endif
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#include <stdint.h>
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#if defined(__gamecube__) || defined (__wii__)
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# include <ogc/disc_io.h>
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#else
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# ifdef NDS
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# include "nds/disc_io.h"
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# else
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# include "disc_io.h"
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# endif
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#endif
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/*
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Initialise any inserted block-devices.
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Add the fat device driver to the devoptab, making it available for standard file functions.
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cacheSize: The number of pages to allocate for each inserted block-device
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setAsDefaultDevice: if true, make this the default device driver for file operations
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*/
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extern bool fatInit (uint32_t cacheSize, bool setAsDefaultDevice);
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/*
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Calls fatInit with setAsDefaultDevice = true and cacheSize optimised for the host system.
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*/
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extern bool fatInitDefault (void);
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/*
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Mount the device pointed to by interface, and set up a devoptab entry for it as "name:".
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You can then access the filesystem using "name:/".
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This will mount the active partition or the first valid partition on the disc,
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and will use a cache size optimized for the host system.
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*/
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extern bool fatMountSimple (const char* name, const DISC_INTERFACE* interface);
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/*
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Mount the device pointed to by interface, and set up a devoptab entry for it as "name:".
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You can then access the filesystem using "name:/".
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If startSector = 0, it will mount the active partition of the first valid partition on
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the disc. Otherwise it will try to mount the partition starting at startSector.
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cacheSize specifies the number of pages to allocate for the cache.
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This will not startup the disc, so you need to call interface->startup(); first.
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*/
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extern bool fatMount (const char* name, const DISC_INTERFACE* interface, sec_t startSector, uint32_t cacheSize, uint32_t SectorsPerPage);
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/*
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Unmount the partition specified by name.
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If there are open files, it will attempt to synchronise them to disc.
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*/
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extern void fatUnmount (const char* name);
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/*
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Get Volume Label
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*/
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extern void fatGetVolumeLabel (const char* name, char *label);
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#ifdef __cplusplus
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}
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#endif
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#endif // _LIBFAT_H
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