FW-RemoteStation

Firmware for the OE5XRX Remote Station System, providing embedded software for modular hardware components such as:

• FM Transceiver Module (SA818-based)

📦 Project Structure

firmware/
├── cm4/             # Firmware for CM4 carrier board
├── fm/              # Firmware for FM transceiver module
├── bus/             # Firmware for the bus board
├── tester/          # Firmware for the device tester
├── common/          # Shared code (e.g. logging, CLI, drivers)
└── docs/            # Optional documentation

⚙️ Build System

This project uses CMake and Dev Container to build the firmware.

🚀 Features

• Modular FreeRTOS architecture
• Static memory allocation and more or less dynamic heap usage
• Unified CLI over USB via TinyUSB
• Built-in diagnostics and command shell
• Optional runtime stats and task monitoring

🧪 Development & Testing

• Target platform: STM32F302CBT6
• Communication: USB CDC
• Debugging via SWD and serial console
• Unit testing via Cpputest
• static code analysis via Cppcheck

🛠️ Getting Started

Dependencies

• Docker
• Editor with devcontainer support (VSCode)

Start Devcontainer

Open the Devcontainer in our editor or start it via docker:

docker run -it -rm ghcr.io/oe5xrx/<IMAGE>:latest bash

Build

There are multiple options to build the firmware and unittests.

Build Firmware

cmake --workflow --fresh --preset cross-compile-<release/build>

Build and Run Unittests

cmake --workflow --fresh --preset unittest-<release/build>