The disk_status function returns the current disk status.
DSTATUS disk_status (
BYTE Drive /* Physical drive number */
- Specifies the physical drive number to be confirmed.
The disk status is returned in combination of following flags. FatFs refers only STA_NOINIT and STA_PROTECTED.
- Indicates that the disk drive is not initialized. This flag is set on system reset, media removal, media change and disk_initialize function failed. The flag is cleared on disk_initialize function succeeded. Media change that occurs asynchronously must be captured and reflect it to the status flags, or auto-mount feature will not work correctly. When media change detection is not supported, application program should clear the file system object with f_mount function after the media change.
- Indicates that no medium in the drive. This is always cleared on fixed disk drive.
- Indicates that the medium is write protected. This is always cleared on the drive that does not support write protect notch. Not valid while STA_NODISK is set.