This record assumes a common firmware engineering scenario: the migration from a monolithic architecture to a hardware abstraction layer (HAL) to support multi-radio variants. Status Accepted Context The "Orca" firmware project currently supports a single PCB revision (rev. A) utilizing the Nordic nRF52840 microcontroller with a proprietary sub-GHz radio frontend. The codebase is currently implemented as a monolithic architecture where radio drivers, GPIO handling, and power management are tightly coupled to the specific hardware registers of the current revision. Webdl 720p | The Bully Meets My Mom Missax 2022