fatfs_sup.c File Reference

#include "user_config.h"
#include "fatfs.h"
#include "mathio.h"
#include "time.h"

Go to the source code of this file.

Functions
MEMSPACE uint32_t	tm_to_fat (tm_t *t)
	FAT time structer reference. More...
MEMSPACE DWORD	get_fattime (void)
	Read time and convert to FAT32 time. More...
MEMSPACE void	put_rc (int rc)
	display FatFs return code as ascii string More...
static MEMSPACE int	fatfs_scan_files (char *path)
	Compute space used, number of directories and files contained under a specified directory. More...
MEMSPACE char *	fatfs_fstype (int type)
	return a string with the file system type More...
MEMSPACE int	fatfs_status (char *name)
	Compute space used, number of directories and files contained used by a drive. More...
MEMSPACE void	fatfs_filinfo_list (FILINFO *info)
	Display FILINFO structure in a readable format. More...

Variables
FATFS	Fatfs [FF_VOLUMES]
	FatFs Drive Volumes. More...
DWORD	AccSize
	Total file space used. More...
WORD	AccFiles
	Total number or Files and Directories. More...
WORD	AccDirs

Function Documentation

fatfs_filinfo_list()

MEMSPACE void fatfs_filinfo_list

(

FILINFO *

info

)

Display FILINFO structure in a readable format.

• Credit: part of FatFs avr example project (C)ChaN, 2013.
• Example:

  /// ----A 2014/10/16 00:39        14    test2.txt
  /// D---- 2014/10/12 21:29         0          tmp
  /// 

  @param[in] : FILINFO pointer
  @return  void 
  

Definition at line 340 of file fatfs_sup.c.

Referenced by fatfs_ls().

fatfs_fstype()

MEMSPACE char* fatfs_fstype

(

int

type

)

return a string with the file system type

Parameters

[in]

type

file system type

Returns

string with file system type

Definition at line 222 of file fatfs_sup.c.

Referenced by fatfs_status().

fatfs_scan_files()

static MEMSPACE int fatfs_scan_files ( char *  path )

static

Compute space used, number of directories and files contained under a specified directory.

• Credit: part of FatFs avr example project (C)ChaN, 2013

Parameters

[in]

path

See also

f_opendir()

f_readdir()

AccDirs: Total number of directories

AccFiles: Total number of Files

AccSize: Total size of all files WARNING path MUST be big enought for the lonest path length

Returns

0 if no error

Definition at line 180 of file fatfs_sup.c.

Referenced by fatfs_status().

fatfs_status()

MEMSPACE int fatfs_status

(

char *

name

)

Compute space used, number of directories and files contained used by a drive.

• Credit: part of FatFs avr example project (C)ChaN, 2013

Parameters

[in]

ptr

Drive path like "/"

See also

f_getfree() drive free space

fatfs_scan_files()

AccDirs: Total number of directories

AccFiles: Total number of Files

AccSize: Total size of all files

Returns

1 on success 0 on error

Definition at line 259 of file fatfs_sup.c.

Referenced by fatfs_tests(), and mmc_init().

get_fattime()

MEMSPACE DWORD get_fattime

(

void

)

Read time and convert to FAT32 time.

Returns

FAT32 time.

See also

tm_to_fat().

Definition at line 129 of file fatfs_sup.c.

put_rc()

MEMSPACE void put_rc

(

int

rc

)

display FatFs return code as ascii string

Credit: Part of FatFs avr example project (C)ChaN, 2013

Parameters

[in]

rc

FatFs status return code

Returns

void

Definition at line 145 of file fatfs_sup.c.

Referenced by dbf_close(), dbf_lseek(), dbf_open(), dbf_read(), dbf_write(), and mmc_init().

tm_to_fat()

MEMSPACE uint32_t tm_to_fat

(

tm_t *

t

)

FAT time structer reference.

See also

rtc.h

http://lxr.free-electrons.com/source/fs/fat/misc.c

/// typedef struct
/// {
///     WORD   year;                                  /* 2000..2099 */
///     BYTE   month;                                 /* 1..12 */
///     BYTE   mday;                                  /* 1.. 31 */
///     BYTE   wday;                                  /* 1..7 */
///     BYTE   hour;                                  /* 0..23 */
///     BYTE   min;                                   /* 0..59 */
///     BYTE   sec;                                   /* 0..59 */
/// } RTC;
/// 

Convert Linux POSIX tm_t * to FAT32 time.

Parameters

[in]

t

POSIX struct tm * to convert.

Returns

FAT32 time.

Definition at line 110 of file fatfs_sup.c.

Referenced by get_fattime().

Variable Documentation

AccDirs

WORD AccDirs

Definition at line 164 of file fatfs_sup.c.

Referenced by fatfs_scan_files(), and fatfs_status().

AccFiles

WORD AccFiles

Total number or Files and Directories.

Definition at line 164 of file fatfs_sup.c.

Referenced by fatfs_scan_files(), and fatfs_status().

AccSize

DWORD AccSize

Total file space used.

Definition at line 161 of file fatfs_sup.c.

Referenced by fatfs_scan_files(), and fatfs_status().

Fatfs

FATFS Fatfs[FF_VOLUMES]

FatFs Drive Volumes.

Definition at line 42 of file fatfs_sup.c.

Referenced by mmc_init().