fx_api.h

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    /* Define the next and previous link pointers for the open media list.  */
    struct FX_MEDIA_STRUCT
                    *fx_media_opened_next,
                    *fx_media_opened_previous;

#ifdef FILEX_ENABLE_WRITE
    /* Define FAT entry cache and the variable used to index the cache.  */
    FX_FAT_ENTRY    fx_media_fat_cache[FX_MAX_CACHED_FAT_ENTRY];   
    UINT            fx_media_fat_cache_index;


    /* Define the FAT secondary update map.  This will be used on flush and
       close to update sectors of any secondary FATs in the media.  */
#ifndef FILEX_REMOVE_SECOND_FAT_MAP
    UCHAR           fx_media_fat_secondary_update_map[FX_FAT_MAP_SIZE];
#endif

//#ifndef FILEX_NO_DEFAULT_PATH_STRING
//    CHAR            fx_default_path_name[FX_MAX_LONG_NAME_LEN];
//#endif
	//CHAR            fx_default_path_name[2];
    //change FileX to use unicode
    WCHAR			  fx_default_path_name[2];
#endif


    /* Define an area to allocate long file names so that local storage on 
       calling thread's stack is not used for long file names.  This helps
       reduce the amount of thread stack space needed when using FileX.  */
    //CHAR            fx_media_name_buffer[4*FX_MAX_LONG_NAME_LEN];
    //change FileX to use unicode
    WCHAR			  fx_media_name_buffer[4*FX_MAX_LONG_NAME_LEN];

    /* Define a variable for the application's use.  */
//    ULONG           fx_media_reserved_for_user;

    /* Media geometry structure */
    FX_GEOMETRY     fx_geometry;
	 CHAR ucForceCheckPartition;
} FX_MEDIA;

typedef FX_MEDIA* FX_MEDIA_PTR;

/* Define the FileX file control block.  All information about open
   files are found in this data type.  */

typedef struct FX_FORMAT_PARAMS_STRUCT
{
    // Volume ID.
    ULONG ulVolumeId;

    // Volume Label. Up to 11 are used, padded with ' '.
    PCHAR szVolumeLabel;

    // OEM name. Up to 8 are used, padded with ' '.
    PCHAR szOemName;

    // Specify number of FATs requested.
    BYTE byNumOfFats;

    // Number of sectors per cluster (0 means it will be chosen automatically).
    BYTE bySectorsPerCluster;

    // Points to 3 bytes to be placed at the beginning of the boot sector.
    PBYTE pbyJumpInstruction;

    // Format partition as a new device with an MBR.
    BOOL  bFormatAsNewDevice;

    // Create volume Label
    BOOL  bCreateVolumeLabel;	

} FX_FORMAT_PARAMS, *FX_FORMAT_PARAMS_PTR;

typedef struct FX_FILE_STRUCT
{

    /* Define the file ID used for error checking.  */
    ULONG           fx_file_id;

    /* Define the file's name.  */
    //CHAR_PTR        fx_file_name;
    //change FileX to use unicode
    WCHAR*			  fx_file_name;

    /* Define the open mode request.  */
    UCHAR           fx_file_open_mode;

    /* Define the file modified field.  */
    UCHAR           fx_file_modified;

    /* Define the complete directory entry structure.  */
    FX_DIR_ENTRY    fx_file_dir_entry;

    /* Define the data storage parameters.  */
    ULONG           fx_file_total_clusters;
    ULONG           fx_file_first_physical_cluster;
    ULONG           fx_file_consecutive_cluster;

    ULONG           fx_file_last_physical_cluster;

    ULONG           fx_file_current_physical_cluster;
    ULONG           fx_file_current_logical_sector;
    ULONG           fx_file_current_logical_offset;
    ULONG           fx_file_current_relative_cluster;
    ULONG           fx_file_current_relative_sector;
    ULONG           fx_file_current_file_offset;
    ULONG           fx_file_current_file_size;
    ULONG           fx_file_current_available_size;

    /* Remember the media that is associated with this file. */
    FX_MEDIA        *fx_file_media_ptr;

    /* Define the pointers necessary to maintain the open file on 
       the list of open files.  */
    struct FX_FILE_STRUCT
                    *fx_file_opened_next,
                    *fx_file_opened_previous;

#ifdef FILEX_ENABLE_WRITE
    /* A pointer to a sector-sized buffer holding partial sector
       information */
//    PBYTE           fx_file_burst_cache;

    /* The basic burst size in burst-mode (defined when opening the file) */
//    UINT            fx_file_burst_basic_size;

    /* The size of the current active burst in burst-mode */
//    UINT            fx_file_burst_current_size;

    /* The current position in the burst (in sectors) */
//    UINT            fx_file_burst_current_offset;

//    CHAR            fx_file_name_buffer[FX_MAX_LONG_NAME_LEN];
#endif
} FX_FILE;

typedef struct FX_MASS_STORAGE_STRUCT
{
     // Handles to Usb Host Pipes (HPIPE) for use of mass-storage
     HANDLE hBulkOut;    
     HANDLE hBulkIn;    
     HANDLE hCtrl;    
     HANDLE hInterrupt;    
 
     // Endpoint numbers
     BYTE   byBulkOutEpAddr;    
     BYTE   byBulkInEpAddr;    
     BYTE   byCtrlEpAddr;    
     BYTE   byInterruptEpAddr;    
 
     // Command set - Only MASS_STORAGE_BULK_ONLY currently supported
     UINT uiCommandSet;
 
     // Protocol - Only MASS_STORAGE_SFF_8070 currently supported
     UINT uiProtocol;
 
} FX_MASS_STORAGE;


/* Define the FileX API mappings based on the error checking 
   selected by the user.  Note: this section is only applicable to 
   application source code, hence the conditional that turns off this
   stuff when the include file is processed by the FileX source. */

#ifndef  FX_SOURCE_CODE


/* Determine if error checking is desired.  If so, map API functions 
   to the appropriate error checking front-ends.  Otherwise, map API
   functions to the core functions that actually perform the work. 
   Note: error checking is enabled by default.  */

#ifdef FX_DISABLE_ERROR_CHECKING

/* Services without error checking.  */

#define fx_system_initialize            _fx_system_initialize
#define fx_system_date_set              _fx_system_date_set
#define fx_system_time_set              _fx_system_time_set
#define fx_system_date_get              _fx_system_date_get
#define fx_system_time_get              _fx_system_time_get

#define fx_partition_create             _fx_partition_create
#define fx_partition_format             _fx_partition_format

#define fx_media_open                   _fx_media_open
#define fx_media_invalidate             _fx_media_invalidate
#define fx_media_close                  _fx_media_close
#define fx_media_full_format            _fx_media_full_format
#define fx_media_quick_format           _fx_media_quick_format
#define fx_media_flush                  _fx_media_flush
#define fx_media_space_available        _fx_media_space_available
#define fx_media_read                   _fx_media_read
#define fx_media_write                  _fx_media_write
#define fx_media_erase                  _fx_media_erase
#define fx_media_abort                  _fx_media_abort
#define fx_media_ioconfig		_fx_media_ioconfig

#define fx_directory_create             _fx_directory_create
#define fx_directory_delete             _fx_directory_delete
#define fx_directory_rename             _fx_directory_rename
#define fx_directory_first_entry_find   _fx_directory_first_entry_find
#define fx_directory_next_entry_find    _fx_directory_next_entry_find
#define fx_directory_first_full_entry_find _fx_directory_first_full_entry_find
#define fx_directory_next_full_entry_find  _fx_directory_next_full_entry_find
#define fx_directory_name_test          _fx_directory_name_test
#define fx_directory_information_get    _fx_directory_information_get
#define fx_directory_default_set        _fx_directory_default_set
#define fx_directory_default_get        _fx_directory_default_get
#define fx_directory_local_path_clear   _fx_directory_local_path_clear
#define fx_directory_local_path_get     _fx_directory_local_path_get
#define fx_directory_local_path_set     _fx_directory_local_path_set
#define fx_directory_local_path_restore _fx_directory_local_path_restore

#define fx_directory_attribute_read                         _fx_directory_attributes_read
#ifdef FILEX_ENABLE_WRITE
#define fx_directory_attribute_set                            _fx_directory_attributes_set
#endif
#define fx_directory_default_set_by_address          _fx_directory_default_set_by_address
#define fx_file_create                  _fx_file_create
#define fx_file_delete                  _fx_file_delete
#define fx_file_rename                  _fx_file_rename
#define fx_file_attributes_set          _fx_file_attributes_set
#define fx_file_attributes_read         _fx_file_attributes_read
#define fx_file_open                    _fx_file_open
#define fx_file_close                   _fx_file_close
#define fx_file_read                    _fx_file_read
#define fx_file_write                   _fx_file_write
#define fx_file_allocate                _fx_file_allocate
#define fx_file_best_effort_allocate    _fx_file_best_effort_allocate
#define fx_file_seek                    _fx_file_seek
#define fx_file_relative_seek           _fx_file_relative_seek
#define fx_file_truncate                _fx_file_truncate
#define fx_file_open_by_addr            _fx_file_open_by_addr
#else

/* Services with error checking.  */

#define fx_system_initialize            _fx_system_initialize
#define fx_system_date_set              _fxe_system_date_set
#define fx_system_time_set              _fxe_system_time_set
#define fx_system_date_get              _fxe_system_date_get
#define fx_system_time_get              _fxe_system_time_get

#define fx_partition_create             _fxe_partition_create
#define fx_partition_format             _fxe_partition_format

#define fx_media_open                   _fxe_media_open
#define fx_media_invalidate             _fxe_media_invalidate
#define fx_media_close                  _fxe_media_close
#define fx_media_full_format            _fxe_media_full_format
#define fx_media_quick_format           _fxe_media_quick_format
#define fx_media_flush                  _fxe_media_flush
#define fx_media_space_available        _fxe_media_space_available
#define fx_media_read                   _fxe_media_read
#define fx_media_write                  _fxe_media_write
#define fx_media_erase                  _fxe_media_erase
#define fx_media_abort                  _fxe_media_abort

#define fx_directory_create             _fxe_directory_create
#define fx_directory_delete             _fxe_directory_delete
#define fx_directory_rename             _fxe_directory_rename
#define fx_directory_first_entry_find   _fxe_directory_first_entry_find
#define fx_directory_next_entry_find    _fxe_directory_next_entry_find
#define fx_directory_first_full_entry_find _fxe_directory_first_full_entry_find
#define fx_directory_next_full_entry_find  _fxe_directory_next_full_entry_find
#define fx_directory_name_test          _fxe_directory_name_test
#define fx_directory_information_get    _fxe_directory_information_get
#define fx_directory_default_set        _fxe_directory_default_set
#define fx_directory_default_get        _fxe_directory_default_get
#define fx_directory_local_path_clear   _fxe_directory_local_path_clear
#define fx_directory_local_path_get     _fxe_directory_local_path_get
#define fx_directory_local_path_set     _fxe_directory_local_path_set
#define fx_directory_local_path_restore _fxe_directory_local_path_restore

#define fx_file_create                  _fxe_file_create
#define fx_file_delete                  _fxe_file_delete
#define fx_file_rename                  _fxe_file_rename
#define fx_file_attributes_set          _fxe_file_attributes_set
#define fx_file_attributes_read         _fxe_file_attributes_read
#define fx_file_open                    _fxe_file_open
#define fx_file_close                   _fxe_file_close
#define fx_file_read                    _fxe_file_read
#define fx_file_write                   _fxe_file_write
#define fx_file_allocate                _fxe_file_allocate
#define fx_file_best_effort_allocate    _fxe_file_best_effort_allocate
#define fx_file_seek                    _fxe_file_seek
#define fx_file_relative_seek           _fxe_file_relative_seek
#define fx_file_truncate                _fxe_file_truncate

#endif

/* Define prototype for utility services commonly used by FileX I/O Drivers.  This eliminates the
   need to include internal FileX component files in I/O drivers.  */

UINT        _fx_partition_offset_calculate( VOID  *part_sector,
                                            UINT   partition,
                                            ULONG *partition_start,
                                            ULONG *partition_size );

UINT        _fx_media_open(FX_MEDIA *media_ptr, WCHAR *media_name,
                 VOID (*media_driver)(FX_MEDIA *), VOID *driver_info_ptr, 
                 VOID *memory_ptr, ULONG memory_size, UINT partition);
#ifdef FILEX_ENABLE_WRITE //simon.huang_0831_2004 add for merging the writing functions of FILEX
UINT        _fx_media_flush(FX_MEDIA  *media_ptr);
#endif
UINT        _fx_media_close(FX_MEDIA  *media_ptr); 
VOID  _fx_utility_memory_set(UCHAR_PTR dest_ptr, BYTE value, ULONG size);
VOID  _fx_utility_memory_copy(UCHAR_PTR source_ptr, UCHAR_PTR dest_ptr, ULONG size);
#endif

/* Determine if a C++ compiler is being used.  If so, complete the standard
   C conditional started above.  */
#ifdef   __cplusplus
        }
#endif

#endif