disk_status

The disk_status function returns the current disk status.

DSTATUS disk_status (
  BYTE Drive     /* Physical drive number */
);

Parameter

Drive
Specifies the physical drive number to be confirmed.

Return Values

The disk status is returned in combination of following flags. FatFs refers only STA_NOINIT and STA_PROTECTED.

STA_NOINIT
Indicates that the disk drive has not been initialized. This flag is set on: system reset, disk removal and disk_initialize function failed, and cleared on: disk_initialize function succeeded.
STA_NODISK
Indicates that no medium in the drive. This is always cleared on fixed disk drive.
STA_PROTECTED
Indicates that the medium is write protected. This is always cleared on the drive that does not support write protect notch. Not valid when STA_NODISK is set.

Return