sd_diskio.c File Reference

SD Disk I/O driver. More...

#include <string.h>
#include "ff_gen_drv.h"

Go to the source code of this file.

Macros
#define	BLOCK_SIZE   512

Functions
DSTATUS	SD_initialize (BYTE lun)
	Initializes a Drive. More...
DSTATUS	SD_status (BYTE lun)
	Gets Disk Status. More...
DRESULT	SD_read (BYTE lun, BYTE *buff, DWORD sector, UINT count)
	Reads Sector(s) More...

Variables
const Diskio_drvTypeDef	SD_Driver

Detailed Description

SD Disk I/O driver.

Author

MCD Application Team

Version

V1.3.0

Date

08-May-2015

Attention

© COPYRIGHT 2015 STMicroelectronics

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 sd_diskio.c.

Macro Definition Documentation

#define BLOCK_SIZE   512

Definition at line 35 of file sd_diskio.c.

Function Documentation

DSTATUS SD_initialize

(

BYTE

lun

)

Initializes a Drive.

Parameters

lun	: not used

Return values

DSTATUS

Operation status

Definition at line 73 of file sd_diskio.c.

DRESULT SD_read	(	BYTE	lun,
		BYTE *	buff,
		DWORD	sector,
		UINT	count
	)

Reads Sector(s)

Parameters

lun	: not used
*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 111 of file sd_diskio.c.

DSTATUS SD_status

(

BYTE

lun

)

Gets Disk Status.

Parameters

lun	: not used

Return values

DSTATUS

Operation status

Definition at line 91 of file sd_diskio.c.

Variable Documentation

const Diskio_drvTypeDef SD_Driver

Initial value:

=
{
  SD_initialize,
  SD_status,
  SD_read, 


 
  


 
}

Definition at line 52 of file sd_diskio.c.