At first glance - portapack-mayhem/mayhem-firmware GitHub Wiki
HackRF
The original HackRF code can be found at /hackrf
, it is a subproject inside the source code. It points to https://github.com/mossmann/hackrf
Portapack
The rest of the code, including the portapack and havoc/mayhem extras can be found at /firmware
The portapack <--> HackRF interface functions are located in /firmware/baseband
There is an underlying OS framework, the CHIBIOS/RT, which is located at /firmware/chibios
for the abstract functionality, and /firmware/chibios-portapack
for the specific portapack board hardware drivers and configurations.
Application folder
The portapack application software, can be found at /firmware/application
User interface: /firmware/application/ui
Apps (options in each menu): /firmware/application/apps
IC / hardware components interface: /firmware/application/hw
Common protocols functionality: /firmware/application/protocols
User Interface
Menus and Widgets
MOST menus (excluding OPTIONS and DEBUG, which are actually apps) and pop-up boxes (yes/no, yes/cancel, ok) are defined in /firmware/application/ui_navigation.cpp
The Options menu is actually an "app" defined at /firmware/application/apps/ui_settings.cpp
The Debug menu (also an app) is defined at /firmware/application/apps/ui_debug.cpp
The widgets used in the UI, as buttons, texts, checkboxes, input fields, etc. are to be found at /firmware/common/ui_widget.cpp