CDC_Standalone
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Outline
Includes
#include "main.h"
Private variables
SD_FatFs
SD_Path
FileList
SD_StorageInit()
SD_StorageParse()
Files
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SourceVuSTM32 Libraries and SamplesCDC_StandaloneSrc/explorer.c
 
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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" Includes /* Private define ------------------------------------------------------------*/ /* Private typedef -----------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ FATFS SD_FatFs; char SD_Path[4]; FILELIST_FileTypeDef FileList; Private variables /* 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; }if ((f_mount(&SD_FatFs, (TCHAR const*)SD_Path, 0) != FR_OK)) { ... } else { LCD_DbgLog ("INFO : FatFs Initialized! \n"); }else { ... } }if (FATFS_LinkDriver(&SD_Driver, SD_Path) == 0) { ... } }if (BSP_SD_IsDetected() == SD_PRESENT) { ... } else { LCD_ErrLog("SD card NOT plugged \n"); return 1; }else { ... } 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 (res != FR_OK || fno.fname[0] == 0) { ... } if(fno.fname[0] == '.') { continue; }if (fno.fname[0] == '.') { ... } 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++; }if ((fno.fattrib & AM_DIR) == 0) { ... } }if (FileList.ptr < FILEMGR_LIST_DEPDTH) { ... } }while (1) { ... } }if (res == FR_OK) { ... } f_closedir(&dir); return res; }{ ... }
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