/**
******************************************************************************
* [url=home.php?mod=space&uid=288409]@file[/url] : usbd_storage_if.c
* [url=home.php?mod=space&uid=247401]@brief[/url] : Memory management layer
******************************************************************************
* COPYRIGHT(c) 2016 STMicroelectronics
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "usbd_msc_storage.h"
/* USER CODE BEGIN INCLUDE */
#include "sdio/bsp_sdcard.h"
/* USER CODE END INCLUDE */
/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
* @{
*/
/** @defgroup USBD_STORAGE
* [url=home.php?mod=space&uid=247401]@brief[/url] usbd core module
* @{
*/
/** @defgroup USBD_STORAGE_Private_TypesDefinitions
* @{
*/
/* USER CODE BEGIN PRIVATE_TYPES */
/* USER CODE END PRIVATE_TYPES */
/**
* @}
*/
/** @defgroup USBD_STORAGE_Private_Defines
* @{
*/
#define STORAGE_LUN_NBR 1
#define STORAGE_BLK_SIZ 0x200
/* USER CODE BEGIN PRIVATE_DEFINES */
/* USER CODE END PRIVATE_DEFINES */
/**
* @}
*/
/** @defgroup USBD_STORAGE_Private_Macros
* @{
*/
/* USER CODE BEGIN PRIVATE_MACRO */
/* USER CODE END PRIVATE_MACRO */
/**
* @}
*/
/** @defgroup USBD_STORAGE_IF_Private_Variables
* @{
*/
/* USB handler declaration */
/* Handle for USB Full Speed IP */
USBD_HandleTypeDef *hUsbDevice_0;
/* USER CODE BEGIN INQUIRY_DATA_FS */
/* USB Mass storage Standard Inquiry Data */
const int8_t STORAGE_Inquirydata_FS[] = {//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 */
};
/* USER CODE END INQUIRY_DATA_FS */
/* USER CODE BEGIN PRIVATE_VARIABLES */
/* USER CODE END PRIVATE_VARIABLES */
/**
* @}
*/
/** @defgroup USBD_STORAGE_IF_Exported_Variables
* @{
*/
extern USBD_HandleTypeDef hUsbDeviceFS;
/* USER CODE BEGIN EXPORTED_VARIABLES */
/* USER CODE END EXPORTED_VARIABLES */
/**
* @}
*/
/** @defgroup USBD_STORAGE_Private_FunctionPrototypes
* @{
*/
static int8_t STORAGE_Init_FS (uint8_t lun);
static int8_t STORAGE_GetCapacity_FS (uint8_t lun, uint32_t *block_num, uint16_t *block_size);
static int8_t STORAGE_IsReady_FS (uint8_t lun);
static int8_t STORAGE_IsWriteProtected_FS (uint8_t lun);
static int8_t STORAGE_Read_FS (uint8_t lun, uint8_t *buf, uint32_t blk_addr,uint16_t blk_len);
static int8_t STORAGE_Write_FS (uint8_t lun, uint8_t *buf, uint32_t blk_addr,uint16_t blk_len);
static int8_t STORAGE_GetMaxLun_FS (void);
/* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */
/* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */
/**
* @}
*/
USBD_StorageTypeDef USBD_Storage_Interface_fops_FS =
{
STORAGE_Init_FS,
STORAGE_GetCapacity_FS,
STORAGE_IsReady_FS,
STORAGE_IsWriteProtected_FS,
STORAGE_Read_FS,
STORAGE_Write_FS,
STORAGE_GetMaxLun_FS,
(int8_t *)STORAGE_Inquirydata_FS,
};
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : STORAGE_Init_FS
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
int8_t STORAGE_Init_FS (uint8_t lun)
{
/* USER CODE BEGIN 2 */
MX_SDIO_SD_Init();
return (USBD_OK);
/* USER CODE END 2 */
}
/*******************************************************************************
* Function Name : STORAGE_GetCapacity_FS
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
int8_t STORAGE_GetCapacity_FS (uint8_t lun, uint32_t *block_num, uint16_t *block_size)
{
/* USER CODE BEGIN 3 */
/* Get SD card Information */
HAL_SD_Get_CardInfo(&hsdcard, &SDCardInfo);
*block_num = SDCardInfo.CardCapacity/STORAGE_BLK_SIZ-1;
*block_size = STORAGE_BLK_SIZ;
return (USBD_OK);
/* USER CODE END 3 */
}
/*******************************************************************************
* Function Name : STORAGE_IsReady_FS
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
int8_t STORAGE_IsReady_FS (uint8_t lun)
{
/* USER CODE BEGIN 4 */
if(HAL_SD_GetStatus(&hsdcard)==SD_TRANSFER_OK)
return (USBD_OK);
else
return -1;
/* USER CODE END 4 */
}
/*******************************************************************************
* Function Name : STORAGE_IsWriteProtected_FS
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
int8_t STORAGE_IsWriteProtected_FS (uint8_t lun)
{
/* USER CODE BEGIN 5 */
return (USBD_OK);
/* USER CODE END 5 */
}
/**
* @brief SD_DMAConfigRx
* @par Function Description
* This function configure the DMA to receive data from the SD card
* @retval
* SD_ERROR or SD_OK
*/
HAL_SD_ErrorTypedef SD_DMAConfigRx(SD_HandleTypeDef *hsd)
{
static DMA_HandleTypeDef hdma_rx;
HAL_StatusTypeDef status = HAL_ERROR;
if(hsd->hdmarx == NULL)
{
/* Configure DMA Rx parameters */
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
hdma_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
hdma_rx.Instance = DMA2_Channel4;
/* Associate the DMA handle */
__HAL_LINKDMA(hsd, hdmarx, hdma_rx);
/* Stop any ongoing transfer and reset the state*/
HAL_DMA_Abort(&hdma_rx);
/* Deinitialize the Channel for new transfer */
HAL_DMA_DeInit(&hdma_rx);
/* Configure the DMA Channel */
status = HAL_DMA_Init(&hdma_rx);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(DMA2_Channel4_5_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(DMA2_Channel4_5_IRQn);
}
else
{
status = HAL_OK;
}
return (status != HAL_OK? SD_ERROR : SD_OK);
}
/**
* @brief SD_DMAConfigTx
* @par Function Description
* This function configure the DMA to transmit data to the SD card
* @retval
* SD_ERROR or SD_OK
*/
HAL_SD_ErrorTypedef SD_DMAConfigTx(SD_HandleTypeDef *hsd)
{
static DMA_HandleTypeDef hdma_tx;
HAL_StatusTypeDef status;
if(hsd->hdmatx == NULL)
{
/* Configure DMA Tx parameters */
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
hdma_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
hdma_tx.Instance = DMA2_Channel4;
/* Associate the DMA handle */
__HAL_LINKDMA(hsd, hdmatx, hdma_tx);
/* Stop any ongoing transfer and reset the state*/
HAL_DMA_Abort(&hdma_tx);
/* Deinitialize the Channel for new transfer */
HAL_DMA_DeInit(&hdma_tx);
/* Configure the DMA Channel */
status = HAL_DMA_Init(&hdma_tx);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(DMA2_Channel4_5_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(DMA2_Channel4_5_IRQn);
}
else
{
status = HAL_OK;
}
return (status != HAL_OK? SD_ERROR : SD_OK);
}
/*******************************************************************************
* Function Name : STORAGE_Read_FS
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
int8_t STORAGE_Read_FS (uint8_t lun,
uint8_t *buf,
uint32_t blk_addr,
uint16_t blk_len)
{
/* USER CODE BEGIN 6 */
uint8_t state = 0;
hsdcard.hdmatx=NULL;
/* Prepare the dma channel for a read operation */
state = ((SD_DMAConfigRx(&hsdcard) == SD_OK) ? 0 : -1);
if(state == 0)
{
/* Read block(s) in DMA transfer mode */
state = ((HAL_SD_ReadBlocks_DMA(&hsdcard,(uint32_t *)buf, blk_addr*STORAGE_BLK_SIZ, STORAGE_BLK_SIZ, blk_len) == SD_OK) ? 0 : -1);
/* Wait until transfer is complete */
if(state == 0)
{
state = ((HAL_SD_CheckReadOperation(&hsdcard, (uint32_t)0xFFFFFFFF) == SD_OK) ? 0 : -1);
}
}
return (state);
/* USER CODE END 6 */
}
/*******************************************************************************
* Function Name : STORAGE_Write_FS
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
int8_t STORAGE_Write_FS (uint8_t lun,
uint8_t *buf,
uint32_t blk_addr,
uint16_t blk_len)
{
/* USER CODE BEGIN 7 */
uint8_t state = 0;
/* Invalidate the dma rx handle*/
hsdcard.hdmarx = NULL;
/* Prepare the dma channel for a read operation */
state = ((SD_DMAConfigTx(&hsdcard) == SD_OK) ? 0 : -1);
if(state == 0)
{
/* Write block(s) in DMA transfer mode */
state = ((HAL_SD_WriteBlocks_DMA(&hsdcard, (uint32_t *)buf, blk_addr*STORAGE_BLK_SIZ, STORAGE_BLK_SIZ, blk_len) == SD_OK) ? 0 : -1);
/* Wait until transfer is complete */
if(state == 0)
{
state = ((HAL_SD_CheckWriteOperation(&hsdcard, (uint32_t)0xFFFFFFFF) == SD_OK) ? 0 : -1);
}
}
return state;
/* USER CODE END 7 */
}
/*******************************************************************************
* Function Name : STORAGE_GetMaxLun_FS
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
int8_t STORAGE_GetMaxLun_FS (void)
{
/* USER CODE BEGIN 8 */
return (STORAGE_LUN_NBR - 1);
/* USER CODE END 8 */
}
/* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */
/* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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