FatFs - f

f_chdir

The f_chdir function changes the current directory of a drive.

FRESULT f_chdir (
  const TCHAR* path /* [IN] Path name */
);

Parameters

path: Pointer to the null-terminated string that specifies a directory to go.

Return Values

FR_OK, FR_DISK_ERR, FR_INT_ERR, FR_NOT_READY, FR_NO_PATH, FR_INVALID_NAME, FR_INVALID_DRIVE, FR_NOT_ENABLED, FR_NO_FILESYSTEM, FR_TIMEOUT, FR_NOT_ENOUGH_CORE

Description

The f_chdir() function changes the current directory of the logical drive. The current directory of a drive is initialized to the root directory when the drive is auto-mounted. Note that the current directory is retained in the each file system object so that it also affects other tasks that using the volume.

QuickInfo

Available when _FS_RPATH >= 1.

Example

    /* Change current direcoty of the current drive (dir1 under root dir) */
    f_chdir("/dir1");

    /* Change current direcoty of drive 2 (parent dir) */
    f_chdir("2:..");