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/**
******************************************************************************
* @file USB_Host/DynamicSwitch_Standalone/Src/msc_explorer.c
* @author MCD Application Team
* @brief Explore the USB flash disk content
******************************************************************************
* @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 typedef ----------------------------------------------------------- */
/* Private define ------------------------------------------------------------ */
/* Private macro ------------------------------------------------------------- */
/* Private variables --------------------------------------------------------- */
/* Private function prototypes ----------------------------------------------- */
/* Private functions --------------------------------------------------------- */
/**
* @brief Displays disk content.
* @param path: pointer to root path
* @param recu_level: Disk content level
* @retval Operation result
*/
FRESULT Explore_Disk(char *path, uint8_t recu_level)
{
FRESULT res = FR_OK;
FILINFO fno;
DIR dir;
char *fn;
char tmp[14];
uint8_t line_idx = 0;
res = f_opendir(&dir, path);
if (res == FR_OK)
{
while (USBH_MSC_IsReady(&hUSBHost))
{
res = f_readdir(&dir, &fno);
if (res != FR_OK || fno.fname[0] == 0)
{
break;
}
if (fno.fname[0] == '.')
{
continue;
}
fn = fno.fname;
strcpy(tmp, fn);
line_idx++;
if (line_idx > 9)
{
line_idx = 0;
LCD_UsrLog("> Press [Key] To Continue.\n");
/* KEY Button in polling */
while (BSP_PB_GetState(BUTTON_KEY) != RESET)
{
/* Wait for User Input */
}
}
if (recu_level == 1)
{
LCD_DbgLog(" |__");
}
else if (recu_level == 2)
{
LCD_DbgLog(" | |__");
}
if ((fno.fattrib & AM_DIR) == AM_DIR)
{
strcat(tmp, "\n");
LCD_UsrLog((void *)tmp);
Explore_Disk(fn, 2);
}
else
{
strcat(tmp, "\n");
LCD_DbgLog((void *)tmp);
}
if (((fno.fattrib & AM_DIR) == AM_DIR) && (recu_level == 2))
{
Explore_Disk(fn, 2);
}
}
f_closedir(&dir);
LCD_UsrLog("> Select an operation to Continue.\n");
}
return res;
}