The disk_initialize function initializes the storage device.
DSTATUS disk_initialize ( BYTE pdrv /* [IN] Physical drive number */ );
This function returns the current drive status flags as the result. For details of the drive status, refer to the disk_status() function.
This function initializes the storage device and put it ready to generic read/write. When the function succeeded, STA_NOINIT flag in the return value is cleared.
Application program MUST NOT call this function, or FAT structure on the volume can be broken. To re-initialize the file system, use f_mount() function instead. This function is called at volume mount process by FatFs module to manage the media change.