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libtock-rs

Rust userland library for Tock

Generally this library was tested with Tock Release 2.1.1.

The library should work on all Tock boards, but currently apps must be compiled for the flash and RAM address they are executed at. See Fix relocation for more details. You may either compile a process binary especially for your board and use only a single application written in rust at a time, or use the make tab target that builds examples for a series of likely useful flash and RAM addresses.

Getting Started

  1. Ensure you have rustup installed.

  2. Clone the repository:

    git clone --recursive https://github.com/tock/libtock-rs
cd libtock-rs

  3. Install the dependencies:

    make setup

  4. Use make to build examples

    make nrf52 EXAMPLE=console # Builds the console example for the nrf52

Using libtock-rs

The easiest way to start using libtock-rs is adding an example to the examples/ folder. We recommend starting by copying the console example, as it is a simple example that shows you how to perform normal debug prints.

Building for a specific board

To build your example for your board you can use

make <platform> EXAMPLE=<example>

An example can be flashed to your board after the build process by running:

make flash-<platform> EXAMPLE=<example>

This script does the following steps for you:

  • cross-compile your program
  • create a TAB (tock application bundle)
  • if you have a J-Link compatible board connected: flash this TAB to your board (using tockloader)

Enabling rust-embedded support

libtock-rs can be built to be compatible with the rust-embedded embedded_hal by including the following when running make

FEATURES=rust_embedded

If using libtock-rs or a sub-crate as a cargo dependency the rust_embedded can also be enabled via Cargo.

Building a generic TAB (Tock Application Bundle) file

To build your example for a variety of boards you can use

make tab EXAMPLE=<example>

To install the tab use tockloader

tockloader install target/tab/<example.tab>

Tockloader will determine which compiled version with the correct flash and RAM addresses to use.

License

libtock-rs is licensed under either of

at your option.

Submodules, as well as the code in the ufmt directory, have their own licenses.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

The contribution guidelines can be found here: contribution guidelines