One of the following pl_fd_status_codes, also affects fd.laststatus:
0- PL_FD_STATUS_OK: Completed successfully.
1- PL_FD_STATUS_FAIL : Physical flash memory failure (fatal).
2- PL_FD_STATUS_CHECKSUM_ERR: Checksum error has been detected in one of the disk sectors (fatal).
4- PL_FD_STATUS_INV_PARAM: Invalid argument have been provided.
5- PL_FD_STATUS_DUPLICATE_NAME: File with this name already exists.
6- PL_FD_STATUS_FILE_TABLE_FULL: Maximum number of files that can be stored on the disk has been reached, new file cannot be created.
7- PL_FD_STATUS_DATA_FULL: The disk is full, new data cannot be added.
8- PL_FD_STATUS_NOT_READY: The disk is not mounted.
14- PL_FD_STATUS_TRANSACTION_CAPACITY_EXCEEDED: Too many disk sectors have been modified in the cause of the current transaction (fatal).