diskio.c File Reference

FatFs low level disk I/O module. More...

#include "diskio.h"
#include "ff_gen_drv.h"

Go to the source code of this file.

Functions
DSTATUS	disk_status (BYTE pdrv)
	Gets Disk Status. More...
DSTATUS	disk_initialize (BYTE pdrv)
	Initializes a Drive. More...
DRESULT	disk_read (BYTE pdrv, BYTE *buff, DWORD sector, UINT count)
	Reads Sector(s) More...
DRESULT	disk_write (BYTE pdrv, const BYTE *buff, DWORD sector, UINT count)
	Writes Sector(s) More...
DRESULT	disk_ioctl (BYTE pdrv, BYTE cmd, void *buff)
	I/O control operation. More...
__weak DWORD	get_fattime (void)
	Gets Time from RTC. More...

Variables
Disk_drvTypeDef	disk

Detailed Description

FatFs low level disk I/O module.

Author

MCD Application Team

Version

V1.3.0

Date

08-May-2015

Attention

Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); You may not use this file except in compliance with the License. You may obtain a copy of the License at:

   http://www.st.com/software_license_agreement_liberty_v2

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Definition in file diskio.c.

Function Documentation

DSTATUS disk_initialize

(

BYTE

pdrv

)

Initializes a Drive.

Parameters

pdrv	Physical drive number (0..)

Return values

DSTATUS

Operation status

Definition at line 70 of file diskio.c.

DRESULT disk_ioctl	(	BYTE	pdrv,
		BYTE	cmd,
		void *	buff
	)

I/O control operation.

Parameters

pdrv	Physical drive number (0..)
cmd	Control code
*buff	Buffer to send/receive control data

Return values

DRESULT

Operation result

Definition at line 136 of file diskio.c.

DRESULT disk_read	(	BYTE	pdrv,
		BYTE *	buff,
		DWORD	sector,
		UINT	count
	)

Reads Sector(s)

Parameters

pdrv	Physical drive number (0..)
*buff	Data buffer to store read data
sector	Sector address (LBA)
count	Number of sectors to read (1..128)

Return values

DRESULT

Operation result

Definition at line 92 of file diskio.c.

DSTATUS disk_status

(

BYTE

pdrv

)

Gets Disk Status.

Parameters

pdrv	Physical drive number (0..)

Return values

DSTATUS

Operation status

Definition at line 55 of file diskio.c.

DRESULT disk_write	(	BYTE	pdrv,
		const BYTE *	buff,
		DWORD	sector,
		UINT	count
	)

Writes Sector(s)

Parameters

pdrv	Physical drive number (0..)
*buff	Data to be written
sector	Sector address (LBA)
count	Number of sectors to write (1..128)

Return values

DRESULT

Operation result

Definition at line 114 of file diskio.c.

__weak DWORD get_fattime

(

void

)

Gets Time from RTC.

Parameters

None

Return values

Time

in DWORD

Definition at line 154 of file diskio.c.

Variable Documentation

Disk_drvTypeDef disk

Definition at line 34 of file ff_gen_drv.c.