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/**
******************************************************************************
* @file USB_Host/CDC_Standalone/Src/explorer.c
* @author MCD Application Team
* @brief This file provides uSD Card drive configuration
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------ */
#include "main.h"
/* Private define ------------------------------------------------------------ */
/* Private typedef ----------------------------------------------------------- */
/* Private macro ------------------------------------------------------------- */
/* Private variables --------------------------------------------------------- */
FATFS SD_FatFs;
char SD_Path[4];
FILELIST_FileTypeDef FileList;
/* Private function prototypes ----------------------------------------------- */
/* Private functions --------------------------------------------------------- */
/**
* @brief Initializes the SD Storage.
* @param None
* @retval Status
*/
uint8_t SD_StorageInit(void)
{
/* Initializes the SD card device */
BSP_SD_Init();
/* Check if the SD card is plugged in the slot */
if (BSP_SD_IsDetected() == SD_PRESENT)
{
/* Link the SD Card disk I/O driver */
if (FATFS_LinkDriver(&SD_Driver, SD_Path) == 0)
{
if ((f_mount(&SD_FatFs, (TCHAR const *)SD_Path, 0) != FR_OK))
{
/* FatFs Initialization Error */
LCD_ErrLog("Cannot Initialize FatFs! \n");
return 1;
}
else
{
LCD_DbgLog("INFO : FatFs Initialized! \n");
}
}
}
else
{
LCD_ErrLog("SD card NOT plugged \n");
return 1;
}
return 0;
}
/**
* @brief Copies disk content in the explorer list.
* @param None
* @retval Operation result
*/
FRESULT SD_StorageParse(void)
{
FRESULT res;
FILINFO fno;
DIR dir;
char *fn;
res = f_opendir(&dir, SD_Path);
FileList.ptr = 0;
if (res == FR_OK)
{
while (1)
{
res = f_readdir(&dir, &fno);
if (res != FR_OK || fno.fname[0] == 0)
{
break;
}
if (fno.fname[0] == '.')
{
continue;
}
fn = fno.fname;
if (FileList.ptr < FILEMGR_LIST_DEPDTH)
{
if ((fno.fattrib & AM_DIR) == 0)
{
strncpy((char *)FileList.file[FileList.ptr].name, (char *)fn,
FILEMGR_FILE_NAME_SIZE);
FileList.file[FileList.ptr].type = FILETYPE_FILE;
FileList.ptr++;
}
}
}
}
f_closedir(&dir);
return res;
}