cfs-fat.c File Reference

 FAT driver implementation

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#include "cfs-fat.h"
#include <stdio.h>

Go to the source code of this file.

Functions
void	cfs_fat_print_file_info (int fd)
void	cfs_fat_print_dir_entry (struct dir_entry *dir_entry)
void	cfs_fat_get_fat_info (struct FAT_Info *info)
	Populates the given FAT_Info with the mounted FAT_Info. More...
uint16_t	cfs_fat_get_last_date (int fd)
	Returns the date of last modification. More...
uint16_t	cfs_fat_get_last_time (int fd)
	Returns the time of last modification. More...
uint16_t	cfs_fat_get_create_date (int fd)
	Returns the date of creation. More...
uint16_t	cfs_fat_get_create_time (int fd)
	Returns the time of creation. More...
void	cfs_fat_flush ()
	Writes the current buffered block back to the disk if it was changed.
uint8_t	cfs_fat_mount_device (struct diskio_device_info *dev)
	Tries to mount the defined device. More...
void	cfs_fat_umount_device ()
	Umounts the mounted device. More...
int	cfs_open (const char *name, int flags)
	Open a file. More...
void	cfs_close (int fd)
	Close an open file. More...
int	cfs_read (int fd, void *buf, unsigned int len)
	Read data from an open file. More...
int	cfs_write (int fd, const void *buf, unsigned int len)
	Write data to an open file. More...
cfs_offset_t	cfs_seek (int fd, cfs_offset_t offset, int whence)
	Seek to a specified position in an open file. More...
int	cfs_remove (const char *name)
	Remove a file. More...
int	cfs_opendir (struct cfs_dir *dirp, const char *name)
	Open a directory for reading directory entries. More...
int	cfs_readdir (struct cfs_dir *dirp, struct cfs_dirent *dirent)
	Read a directory entry. More...
void	cfs_closedir (struct cfs_dir *dirp)
	Close a directory opened with cfs_opendir(). More...
uint32_t	cfs_fat_file_size (int fd)
	Returns the file size of the associated file. More...
void	cfs_fat_sync_fats ()
	Syncs every FAT with the first. More...
uint8_t	is_a_power_of_2 (uint32_t value)
	Tests if the given value is a power of 2. More...
uint32_t	round_down_to_power_of_2 (uint32_t value)
	Rounds the value down to the next lower power of 2. More...

Variables
struct file_system	mounted
	From fat.c.
struct file	fat_file_pool [FAT_FD_POOL_SIZE]
	From fat.c.
struct file_desc	fat_fd_pool [FAT_FD_POOL_SIZE]
	From fat.c.

Detailed Description

 FAT driver implementation

Author

Christoph Peltz peltz.nosp@m.@ibr.nosp@m..cs.t.nosp@m.u-bs.nosp@m..de Enrico Joerns joern.nosp@m.s@ib.nosp@m.r.cs..nosp@m.tu-b.nosp@m.s.de

Definition in file cfs-fat.c.