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/**
******************************************************************************
* @file USB_Host/MSC_Standalone/Src/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 -------------------------------------------------------- */
static int32_t recurseLevel = -1;
/* 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 tmp[14];
uint8_t line_idx = 0;
recurseLevel++;
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;
}
strcpy(tmp, fno.fname);
line_idx++;
if (line_idx > YWINDOW_SIZE)
{
line_idx = 0;
LCD_UsrLog("> Press [Tamper] To Continue.\n");
/* Tamper Button in polling */
while ((BSP_PB_GetState(BUTTON_TAMPER) != RESET) &&
(Appli_state != APPLICATION_DISCONNECT))
{
/* Wait for User Input */
}
}
if (recu_level == 1)
{
LCD_DbgLog(" |__");
}
else if (recu_level == 2)
{
LCD_DbgLog(" | |__");
}
if (fno.fattrib & AM_DIR)
{
strcat(tmp, "\n");
LCD_UsrLog((void *)tmp);
Explore_Disk(fno.fname, 2);
}
else
{
strcat(tmp, "\n");
LCD_DbgLog((void *)tmp);
}
if ((fno.fattrib & AM_DIR) && (recu_level == 2))
{
Explore_Disk(fno.fname, 2);
}
}
f_closedir(&dir);
}
if (--recurseLevel == -1)
{
LCD_UsrLog("> Select an operation to Continue.\n");
}
return res;
}