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GD32F1x0
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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
- MCD Application Team
- Version
- V1.0.1
- Date
- 31-January-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 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 110 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 170 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 98 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 120 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 130 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 143 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 158 of file usbd_storage_template.c.
Variable Documentation
| const int8_t STORAGE_Inquirydata[] |
Definition at line 37 of file usbd_storage_template.c.
| USBD_STORAGE_cb_TypeDef USBD_MICRO_SDIO_fops |
Definition at line 54 of file usbd_storage_template.c.
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