usbd_storage_template.c File Reference

Memory management layer. More...

#include "usbd_msc_mem.h"

Go to the source code of this file.

Macros
#define	STORAGE_LUN_NBR   1

Functions
int8_t	STORAGE_Init (uint8_t lun)
	Initialize the storage medium. More...
int8_t	STORAGE_GetCapacity (uint8_t lun, uint32_t *block_num, uint16_t *block_size)
	return medium capacity and block size More...
int8_t	STORAGE_IsReady (uint8_t lun)
	check whether the medium is ready More...
int8_t	STORAGE_IsWriteProtected (uint8_t lun)
	check whether the medium is write-protected More...
int8_t	STORAGE_Read (uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
	Read data from the medium. More...
int8_t	STORAGE_Write (uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
	Write data to the medium. More...
int8_t	STORAGE_GetMaxLun (void)
	Return number of supported logical unit. More...

Variables
const int8_t	STORAGE_Inquirydata []
USBD_STORAGE_cb_TypeDef	USBD_MICRO_SDIO_fops
USBD_STORAGE_cb_TypeDef *	USBD_STORAGE_fops = &USBD_MICRO_SDIO_fops

Detailed Description

Memory management layer.

Author

MCU SD

Version

V1.0.0

Date

26-Dec-2014

Definition in file usbd_storage_template.c.

Function Documentation

int8_t STORAGE_GetCapacity	(	uint8_t	lun,
		uint32_t *	block_num,
		uint16_t *	block_size
	)

return medium capacity and block size

Parameters

lun	: logical unit number
block_num	: number of physical block
block_size	: size of a physical block

Return values

Status

Definition at line 92 of file usbd_storage_template.c.

int8_t STORAGE_GetMaxLun

(

void

)

Return number of supported logical unit.

Parameters

None

Return values

number

of logical unit

Definition at line 154 of file usbd_storage_template.c.

int8_t STORAGE_Init

(

uint8_t

lun

)

Initialize the storage medium.

Parameters

lun	: logical unit number

Return values

Status

Definition at line 80 of file usbd_storage_template.c.

int8_t STORAGE_IsReady

(

uint8_t

lun

)

check whether the medium is ready

Parameters

lun	: logical unit number

Return values

Status

Definition at line 102 of file usbd_storage_template.c.

int8_t STORAGE_IsWriteProtected

(

uint8_t

lun

)

check whether the medium is write-protected

Parameters

lun	: logical unit number

Return values

Status

Definition at line 112 of file usbd_storage_template.c.

int8_t STORAGE_Read	(	uint8_t	lun,
		uint8_t *	buf,
		uint32_t	blk_addr,
		uint16_t	blk_len
	)

Read data from the medium.

Parameters

lun	: logical unit number
buf	: Pointer to the buffer to save data
blk_addr	: address of 1st block to be read
blk_len	: nmber of blocks to be read

Return values

Status

Definition at line 125 of file usbd_storage_template.c.

int8_t STORAGE_Write	(	uint8_t	lun,
		uint8_t *	buf,
		uint32_t	blk_addr,
		uint16_t	blk_len
	)

Write data to the medium.

Parameters

lun	: logical unit number
buf	: Pointer to the buffer to write from
blk_addr	: address of 1st block to be written
blk_len	: nmber of blocks to be read

Return values

Status

Definition at line 141 of file usbd_storage_template.c.

Variable Documentation

const int8_t STORAGE_Inquirydata[]

Initial value:

= 
{ 
 
    0x00,       
    0x80,       
    0x02,       
    0x02,
    (USBD_STD_INQUIRY_LENGTH - 5),
    0x00,
        0x00,   
        0x00,
 'G', 'D', '3', '2', ' ', ' ', ' ', ' ', 
 'P', 'r', 'o', 'd', 'u', 't', ' ', ' ', 
 ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
 '1', '.', '0' ,'0',                     
}

Definition at line 19 of file usbd_storage_template.c.

USBD_STORAGE_cb_TypeDef USBD_MICRO_SDIO_fops

Initial value:

=
{
 STORAGE_Init,
 STORAGE_GetCapacity,
 STORAGE_IsReady,
 STORAGE_IsWriteProtected,
 STORAGE_Read,
 STORAGE_Write,
 STORAGE_GetMaxLun,
    STORAGE_Inquirydata,
}

Definition at line 36 of file usbd_storage_template.c.