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GD32F10x USB-Device
V1.0.0
GD32F10x USB-Device
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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_Inquirydata,
}
int8_t STORAGE_GetCapacity(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
return medium capacity and block size
Definition: usbd_storage_template.c:92
int8_t STORAGE_IsWriteProtected(uint8_t lun)
check whether the medium is write-protected
Definition: usbd_storage_template.c:112
int8_t STORAGE_IsReady(uint8_t lun)
check whether the medium is ready
Definition: usbd_storage_template.c:102
int8_t STORAGE_Init(uint8_t lun)
Initialize the storage medium.
Definition: usbd_storage_template.c:80
int8_t STORAGE_Read(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
Read data from the medium.
Definition: usbd_storage_template.c:125
int8_t STORAGE_GetMaxLun(void)
Return number of supported logical unit.
Definition: usbd_storage_template.c:154
int8_t STORAGE_Write(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
Write data to the medium.
Definition: usbd_storage_template.c:141
Definition at line 36 of file usbd_storage_template.c.
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