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sd_diskio.c File Reference
Functions

sd_diskio.c File Reference

SD Disk I/O driver. More...

Go to the source code of this file.

Functions

DSTATUS SD_initialize (void)
 Initializes a Drive.
DSTATUS SD_status (void)
 Gets Disk Status.
DRESULT SD_read (BYTE *buff, DWORD sector, BYTE count)
 Reads Sector(s)
DRESULT SD_write (const BYTE *buff, DWORD sector, BYTE count)
 Writes Sector(s)
DRESULT SD_ioctl (BYTE cmd, void *buff)
 I/O control operation.

Detailed Description

SD Disk I/O driver.

Author:
MCD Application Team
Version:
V1.1.0
Date:
22-April-2014
Attention:

© COPYRIGHT 2014 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.

Function Documentation

DSTATUS SD_initialize ( void   )

Initializes a Drive.

Parameters:
None
Return values:
DSTATUS,:Operation status

Definition at line 73 of file sd_diskio.c.

DRESULT SD_ioctl ( BYTE  cmd,
void *  buff 
)

I/O control operation.

Parameters:
cmd,:Control code
*buff,:Buffer to send/receive control data
Return values:
DRESULT,:Operation result

Definition at line 155 of file sd_diskio.c.

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

Reads Sector(s)

Parameters:
*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 110 of file sd_diskio.c.

DSTATUS SD_status ( void   )

Gets Disk Status.

Parameters:
None
Return values:
DSTATUS,:Operation status

Definition at line 91 of file sd_diskio.c.

DRESULT SD_write ( const BYTE *  buff,
DWORD  sector,
BYTE  count 
)

Writes Sector(s)

Parameters:
*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 133 of file sd_diskio.c.

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