ff_ioman.c File Reference

#include <string.h>
#include "ff_ioman.h"
#include "ff_fatdef.h"
#include "ff_crc.h"

Go to the source code of this file.

Defines
#define	FF_GPT_HEAD_ENTRY_SIZE   0x54
#define	FF_GPT_HEAD_TOTAL_ENTRIES   0x50
#define	FF_GPT_HEAD_PART_ENTRY_LBA   0x48
#define	FF_GPT_ENTRY_FIRST_SECTOR_LBA   0x20
#define	FF_GPT_HEAD_CRC   0x10
#define	FF_GPT_HEAD_LENGTH   0x0C
Functions
FF_T_UINT32	FF_CountFreeClusters (FF_IOMAN *pIoman, FF_ERROR *pError)
static void	FF_IOMAN_InitBufferDescriptors (FF_IOMAN *pIoman)
	Initialises Buffer Descriptions as part of the FF_IOMAN object initialisation.
FF_IOMAN *	FF_CreateIOMAN (FF_T_UINT8 *pCacheMem, FF_T_UINT32 Size, FF_T_UINT16 BlkSize, FF_ERROR *pError)
	Creates an FF_IOMAN object, to initialise FullFAT.
FF_ERROR	FF_DestroyIOMAN (FF_IOMAN *pIoman)
	Destroys an FF_IOMAN object, and frees all assigned memory.
FF_ERROR	FF_FlushCache (FF_IOMAN *pIoman)
	Flushes all Write cache buffers with no active Handles.
FF_BUFFER *	FF_GetBuffer (FF_IOMAN *pIoman, FF_T_UINT32 Sector, FF_T_UINT8 Mode)
void	FF_ReleaseBuffer (FF_IOMAN *pIoman, FF_BUFFER *pBuffer)
	Releases a buffer resource.
FF_ERROR	FF_RegisterBlkDevice (FF_IOMAN *pIoman, FF_T_UINT16 BlkSize, FF_WRITE_BLOCKS fnWriteBlocks, FF_READ_BLOCKS fnReadBlocks, void *pParam)
	Registers a device driver with FullFAT.
FF_T_SINT32	FF_BlockRead (FF_IOMAN *pIoman, FF_T_UINT32 ulSectorLBA, FF_T_UINT32 ulNumSectors, void *pBuffer)
FF_T_SINT32	FF_BlockWrite (FF_IOMAN *pIoman, FF_T_UINT32 ulSectorLBA, FF_T_UINT32 ulNumSectors, void *pBuffer)
static FF_ERROR	FF_DetermineFatType (FF_IOMAN *pIoman)
static FF_T_SINT8	FF_PartitionCount (FF_T_UINT8 *pBuffer)
static FF_ERROR	FF_GetEfiPartitionEntry (FF_IOMAN *pIoman, FF_T_UINT32 ulPartitionNumber)
FF_ERROR	FF_MountPartition (FF_IOMAN *pIoman, FF_T_UINT8 PartitionNumber)
	Mounts the Specified partition, the volume specified by the FF_IOMAN object provided.
FF_ERROR	FF_UnregisterBlkDevice (FF_IOMAN *pIoman)
	Unregister a Blockdevice, so that the IOMAN can be re-used for another device.
static FF_T_BOOL	FF_ActiveHandles (FF_IOMAN *pIoman)
	Checks the cache for Active Handles.
FF_ERROR	FF_UnmountPartition (FF_IOMAN *pIoman)
	Unmounts the active partition.
FF_ERROR	FF_IncreaseFreeClusters (FF_IOMAN *pIoman, FF_T_UINT32 Count)
FF_ERROR	FF_DecreaseFreeClusters (FF_IOMAN *pIoman, FF_T_UINT32 Count)
FF_T_SINT32	FF_GetPartitionBlockSize (FF_IOMAN *pIoman)
	Returns the Block-size of a mounted Partition.
FF_T_UINT32	FF_GetVolumeSize (FF_IOMAN *pIoman)

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Detailed Description

Author:

James Walmsley

Definition in file ff_ioman.c.