2006-07-14 04:42:37 +02:00
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/*
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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 Michael "Chishm" Chisholm
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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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#define NDS
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#endif
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2008-05-10 21:35:18 +02:00
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#include <nds/ndstypes.h>
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2006-07-14 04:42:37 +02:00
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typedef enum {PI_DEFAULT, PI_SLOT_1, PI_SLOT_2, PI_CUSTOM} PARTITION_INTERFACE;
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struct IO_INTERFACE_STRUCT ;
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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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bool fatInit (u32 cacheSize, bool setAsDefaultDevice);
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2006-07-16 09:37:24 +02:00
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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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bool fatInitDefault (void);
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2006-07-14 04:42:37 +02:00
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/*
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Mount the device specified by partitionNumber
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PD_DEFAULT is not allowed, use _FAT_partition_setDefaultDevice
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PD_CUSTOM is not allowed, use _FAT_partition_mountCustomDevice
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*/
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bool fatMountNormalInterface (PARTITION_INTERFACE partitionNumber, u32 cacheSize);
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/*
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Mount a partition on a custom device
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*/
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bool fatMountCustomInterface (struct IO_INTERFACE_STRUCT* device, u32 cacheSize);
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/*
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Unmount the partition specified by partitionNumber
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If there are open files, it will fail
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*/
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bool fatUnmount (PARTITION_INTERFACE partitionNumber);
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/*
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Forcibly unmount the partition specified by partitionNumber
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Any open files on the partition will become invalid
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The cache will be invalidated, and any unflushed writes will be lost
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*/
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bool fatUnsafeUnmount (PARTITION_INTERFACE partitionNumber);
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/*
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Set the default device for access by fat: and fat0:
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PD_DEFAULT is unallowed.
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Doesn't do anything useful on GBA, since there is only one device
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*/
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bool fatSetDefaultInterface (PARTITION_INTERFACE partitionNumber);
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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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