Firmware file format (.gdf)

Argon firmware file contains embedded software for Argon (servo drive). Firmware file is generated by makefirmware utily.

File format spec

Header

IDString - 4 bytes, always="GDFW" BLFileVersion - 2 bytes, current=300 TargetDriveType - 2 bytes, Argon=4000, Ion=5000 HostFWbytes - 4 bytes, number of bytes for STM32 CPU GCFWbytes - 4 bytes, number of bytes for GraniteCore CPU

Data

Data of HostFW begins. Amount of bytes is HostFWbytes Data of GCW begins. Amount of bytes is GCFWbytes

File checksum

FileCksum - 4 bytes cacluated from the current file. Simply sum of all unsigned bytes in file except CKSum itself

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