## f_chdrive

The f_chdrive function changes the current drive.

    FRESULT f_chdrive (
      BYTE vol /* [IN] Logical drive number */
    );

#### Parameters

vol
  Specifies the logical drive number to be set as the current drive.

#### Return Values

FR_OK, FR_INVALID_DRIVE

#### Description

The `f_chdrive()` function changes the current drive. The initial value of the current drive number is 0. Note that the current drive is retained in a static variable so that it also affects other tasks that using the file functions.

#### QuickInfo

Available when `_FS_RPATH >= 1`.

#### See Also

`f_chdir, f_getcwd`

Return