Directory handling

FAT handling. More...

Collaboration diagram for Directory handling:

Functions
static FRESULT	dir_sdi (DIR *dp, WORD idx)
	Set directory index. More...
static FRESULT	dir_next (DIR *dp, int stretch)
	Move directory table index next. More...
static FRESULT	dir_alloc (DIR *dp, UINT nent)
	Reserve directory entry. More...
static DWORD	ld_clust (FATFS *fs, BYTE *dir)
	Load/Store start cluster number. More...
static void	st_clust (BYTE *dir, DWORD cl)
static FRESULT	dir_find (DIR *dp)
	Find an object in the directory. More...

Detailed Description

FAT handling.

Function Documentation

static FRESULT dir_alloc ( DIR *  dp, UINT  nent  )

static

Reserve directory entry.

Parameters

dp	Pointer to directory object
nent	Number of contiguous entries to allocate (1-21)

Returns

FRESULT

Definition at line 1333 of file ff.c.

static FRESULT dir_find ( DIR *  dp )

static

Find an object in the directory.

Parameters

dp	Pointer to the directory object linked to the file name

Returns

FRESULT

Definition at line 1596 of file ff.c.

static FRESULT dir_next ( DIR *  dp, int  stretch  )

static

Move directory table index next.

Parameters

dp	Pointer to directory object
stretch	0: Do not stretch table 1: Stretch table if needed

Returns

• FR_OK: Succeeded
• FR_NO_FILE: End of table
• FR_DENIED: Could not stretch

Definition at line 1270 of file ff.c.

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static FRESULT dir_sdi ( DIR *  dp, WORD  idx  )

static

Set directory index.

Parameters

dp	Pointer to directory object
idx	Index of directory table

Returns

FRESULT

Definition at line 1225 of file ff.c.

static DWORD ld_clust ( FATFS *  fs, BYTE *  dir  )

static

Load/Store start cluster number.

Parameters

fs	Pointer to the fs object
dir	Pointer to the directory entry

Returns

FRESULT

Definition at line 1363 of file ff.c.

static void st_clust ( BYTE *  dir, DWORD  cl  )

static

Parameters

dir	Pointer to the directory entry
cl	Value to be set

Returns

FRESULT

Definition at line 1381 of file ff.c.