recovery Flash Translation Layer vol from flash dump
flash or SD Card may have an FTL(Flash Translation Layer) between the upper filesystem(eg. fat) and flash. So if we use a flash programmer to dump data, maybe we can't analyze the filesystem directly because we need to reform all the data to its logical address.
# need python3 and construct
# pip install construct
python ftl_extractor.py input_dump output.binintel AP-684 Understanding the Flash Translation Layer (FTL) Specificationftllite.cin VxWorks 6.9 andftllite.oin VxWorks 5.5