HYDRA  

HYper Dynamic Rocketry Avionics

uORocketry's next-generation avionics system

Getting Started

If you are in a DevContainer skip to step 5.

• Install Rust: https://www.rust-lang.org/tools/install
• Install necessary build tools:
  • cargo-make: cargo install cargo-make
  • probe-rs: cargo install probe-rs --features cli
• Install the ARM GNU Toolchain (last tested with 13.2) and have it available in your PATH
  • Arch Linux: sudo pacman -S arm-none-eabi-gcc
  • Alpine/Debian/Ubuntu: https://pkgs.org/download/gcc-arm-none-eabi
  • MacOS: brew install arm-none-eabi-gcc
• Build: cargo build
  • In case it fails, try cargo build --release
• Run tests:
  • In the host machine: cargo make test-host
  • In the device: cargo make test-device
• Flash on hardware: cargo run --bin main

For more detailed instructions on flashing, debugging, and more, please see the wiki.

Windows Users

Setting up with Docker

• Install Docker
• Install VS Code
• From VS Code, install the "Dev Containers" extension
• press ctrl + shift + p, and search for Dev Containers: Open Folder in Container

Setting up with WSL

• Enable WSL: https://learn.microsoft.com/en-us/windows/wsl/install
• Install a linux distro from the Microsoft Store
• Install the ARM GNU Toolchain
  • NOTE: You may find this in your distro's package manager, but ensure it is version 13.2.
  • Ubuntu has an outdated version in its repositories. If using Ubuntu, download it manually from the link above
• Follow the rest of the instructions in Getting Started

Flashing

After plugging in J-Link, it will likely show up as unknown.

1. Install Zadig: https://zadig.akeo.ie/
2. From Zadig, select J-Link as the device and WinUSB as the driver
3. click Install Driver

If using WSL or Docker with a WSL backend (you probably are), you need to tell Windows to share J-Link with WSL.

• From WSL, install linux-tools-generic
  • on Ubuntu: sudo apt install linux-tools-generic
• Install usbipd-win: https://github.com/dorssel/usbipd-win/releases
• Open command prompt/powershell with admin privileges and run usbipd list
• Make note of the entry called J-Link and run usbipd bind --busid <busid>
• Next, run usbipd attach --wsl --busid <busid>
• You can now follow the flashing instructions in Getting Started

Documentation

Run cargo doc --open to build and open the documentation. Most documentation for this repo is contained in the common-arm crate.

Documentation is also automatically built and deployed to https://hydra-docs.uorocketry.ca/common_arm

Project Structure

The project is structured in a way to allow reuse of the code across various boards and other projects.

• boards: Folder containing each individual board's binary crates. Any code in those crates should only contain logic specific to the board.
• debug: Useful files for debugging, such as GDB and OpenOCD configuration.
• examples: Example projects that can be used to quickly start a new board. Simply copy and paste one of those creates to the boards folder, and rename as needed.
• libraries:
  • common-arm: Common code that depends on embedded-specific logic or crates.

License

This project is licensed under GPLv3-only.

We please ask for any derivatives of this work to be kept open-source, even if such derivative is only for internal use.