For more details see CHANGELOG v0.11
See all Console commands here: https://github.com/hydrabus/hydrafw/wiki/HydraFW-console-commands
See all Binary modes here: https://github.com/hydrabus/hydrafw/wiki/HydraFW-Binary-mode-guide
See also Wiki Getting Started:
https://github.com/hydrabus/hydrafw/wiki/Getting-Started-with-HydraBus
Latest firmware pre-compiled 24-March-2023 (with windows tools to flash the firmware using USB DFU) is attached see build_HydraFW_v0.11-0-gd6d6586_HydraBus_HydraNFC.zip
Release pre-compiled with GCC 4.9.3 20150529 (release) [ARM/embedded-4_9-branch revision 227977]