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/**
******************************************************************************
* @file usbd_storage_template.c
* @author MCD Application Team
* @version V2.0.0
* @date 18-February-2014
* @brief Memory management layer
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* 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.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "usbd_storage.h"
/** @addtogroup STM32_USBD_DEVICE_LIBRARY
* @{
*/
/** @defgroup USBD_STORAGE
* @brief usbd core module
* @{
*/
/** @defgroup USBD_STORAGE_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup USBD_STORAGE_Private_Defines
* @{
*/
#define STORAGE_LUN_NBR 1
#define STORAGE_BLK_NBR 0x10000
#define STORAGE_BLK_SIZ 0x200
/**
* @}
*/
/** @defgroup USBD_STORAGE_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup USBD_STORAGE_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup USBD_STORAGE_Private_Functions
* @{
*/
int8_t STORAGE_Init (uint8_t lun);
int8_t STORAGE_GetCapacity (uint8_t lun,
uint32_t *block_num,
uint16_t *block_size);
int8_t STORAGE_IsReady (uint8_t lun);
int8_t STORAGE_IsWriteProtected (uint8_t lun);
int8_t STORAGE_Read (uint8_t lun,
uint8_t *buf,
uint32_t blk_addr,
uint16_t blk_len);
int8_t STORAGE_Write (uint8_t lun,
uint8_t *buf,
uint32_t blk_addr,
uint16_t blk_len);
int8_t STORAGE_GetMaxLun (void);
/** @defgroup USBD_STORAGE_Private_Variables
* @{
*/
/* USB Mass storage Standard Inquiry Data */
int8_t STORAGE_Inquirydata[] = {//36
/* LUN 0 */
0x00,
0x80,
0x02,
0x02,
(STANDARD_INQUIRY_DATA_LEN - 5),
0x00,
0x00,
0x00,
'S', 'T', 'M', ' ', ' ', ' ', ' ', ' ', /* Manufacturer : 8 bytes */
'P', 'r', 'o', 'd', 'u', 'c', 't', ' ', /* Product : 16 Bytes */
' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
'0', '.', '0' ,'1', /* Version : 4 Bytes */
};
USBD_StorageTypeDef USBD_MSD_fops =
{
STORAGE_Init,
STORAGE_GetCapacity,
STORAGE_IsReady,
STORAGE_IsWriteProtected,
STORAGE_Read,
STORAGE_Write,
STORAGE_GetMaxLun,
STORAGE_Inquirydata,
};
/**
* @}
*/
/** @defgroup USBD_CORE_Private_Functions
* @{
*/
/**
* @brief STORAGE_Init
* Initailizes the storage unit (medium)
* @param lun: logical unit number
* @retval status (0 : Ok / -1 : Error)
*/
int8_t STORAGE_Init (uint8_t lun)
{
return (0);
}
/**
* @brief STORAGE_GetCapacity
* return medium capacity
* @param lun: logical unit number
* @param block_num: number of total block number
* @param block_size: block size
* @retval status (0 : Ok / -1 : Error)
*/
int8_t STORAGE_GetCapacity (uint8_t lun, uint32_t *block_num, uint16_t *block_size)
{
*block_num = STORAGE_BLK_NBR - 1;
*block_size = STORAGE_BLK_SIZ;
return (0);
}
/**
* @brief STORAGE_IsReady
* check whether the medium is ready
* @param lun: logical unit number
* @retval status (0 : Ok / -1 : Error)
*/
int8_t STORAGE_IsReady (uint8_t lun)
{
return (0);
}
/**
* @brief STORAGE_IsWriteProtected
* check whether the medium is write protected
* @param lun: logical unit number
* @retval status (0 : write enabled / -1 : otherwise)
*/
int8_t STORAGE_IsWriteProtected (uint8_t lun)
{
return 0;
}
/**
* @brief STORAGE_Read
* Read data from the medium
* @param lun: logical unit number
* @param blk_addr: logical block address
* @param blk_len: blocks number
* @retval status (0 : Ok / -1 : Error)
*/
int8_t STORAGE_Read (uint8_t lun,
uint8_t *buf,
uint32_t blk_addr,
uint16_t blk_len)
{
return (0);
}
/**
* @brief STORAGE_Write
* Write data into the medium
* @param lun: logical unit number
* @param blk_addr: logical block address
* @param blk_len: blocks number
* @retval status (0 : Ok / -1 : Error)
*/
int8_t STORAGE_Write (uint8_t lun,
uint8_t *buf,
uint32_t blk_addr,
uint16_t blk_len)
{
return (0);
}
/**
* @brief STORAGE_GetMaxLun
* return the Max Supported LUNs
* @param none
* @retval lun(s) number
*/
int8_t STORAGE_GetMaxLun (void)
{
return (STORAGE_LUN_NBR - 1);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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