bern-kernel 0.3.0

Preemptive real-time kernel for microcontrollers.
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# `bern-kernel`

[![crates.io](https://img.shields.io/crates/v/bern-kernel)](https://crates.io/crates/bern-kernel)
[![docs.rs](https://docs.rs/bern-kernel/badge.svg)](https://docs.rs/bern-kernel)
[![book](https://img.shields.io/badge/web-kernel.bern--rtos.org-red.svg?style=flat&label=book&colorB=d33847)](https://kernel.bern-rtos.org/)

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Bern RTOS preemptive real-time kernel for microcontrollers written in Rust.

## Documentation

- [Bern RTOS Kernel Book](https://kernel.bern-rtos.org/)
- [API Documentation](https://docs.rs/bern-kernel/)

**The API Documentation is not up to date, please prefer the
[Bern RTOS Kernel Book](https://kernel.bern-rtos.org/) for now.**

## Semantic Versioning

This project follows [Semantic Versioning 2.0.0](https://semver.org/spec/v2.0.0.html).

Currently the version is below 1.0.0 meaning that everything is very much unstable
and the API could change completely.

## Cargo Features

- `time-slicing` (default): A task runs at max for one system tick period if there are
  other tasks of equal priority
- `log-defmt`: Activate system log messages using [`defmt`](https://docs.rs/defmt/latest/defmt/).
  The user must select a log transport in the application, e.g. `defmt-rtt`.
- `log-rtt`: Activate system log messages with `core` formatting and RTT transport.
- `log-global`: Activate system log messages using the [`log`](https://docs.rs/log/) facade.
  The use must provide a global logger.
- `trace`: Activate system tracing. The user must provide a global tracer,
  e.g. [`systemview-target`](https://docs.rs/systemview-target/).

## License
- [MIT License](https://gitlab.com/bern-rtos/bern-rtos/-/blob/main/kernel/LICENSE.md)

## Supported Architectures

| Core Name | Architecture | Rust Target |
|-----------|--------------|-------------|
| ARM Cortex-M3 w/MPU | Armv7-M | `thumbv7m-none-eabi` |
| ARM Cortex-M4 w/MPU | Armv7E-M | `thumbv7em-none-eabi` |
| ARM Cortex-M7 w/MPU | Armv7E-M | `thumbv7em-none-eabi` |

## Quickstart

```sh,no_run
cargo generate --git https://gitlab.com/bern-rtos/templates/cortex-m.git
```

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