f_chdrive

The f_chdrive function changes the current drive.

FRESULT f_chdrive (
  BYTE Drive /* Logical drive number */
);

Parameters

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

Return Values

FR_OK (0)
The function succeeded.
FR_INVALID_DRIVE
The drive number is invalid.

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

Return