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[![CMock Unit Tests](https://github.com/FreeRTOS/FreeRTOS-Kernel/actions/workflows/unit-tests.yml/badge.svg?branch=main&event=push)](https://github.com/FreeRTOS/FreeRTOS-Kernel/actions/workflows/unit-tests.yml?query=branch%3Amain+event%3Apush+workflow%3A%22CMock+Unit+Tests%22++) | ||
[![codecov](https://codecov.io/gh/FreeRTOS/FreeRTOS-Kernel/badge.svg?branch=main)](https://codecov.io/gh/FreeRTOS/FreeRTOS-Kernel) | ||
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## Getting started | ||
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This repository contains FreeRTOS kernel source/header files and kernel | ||
ports only. This repository is referenced as a submodule in | ||
[FreeRTOS/FreeRTOS](https://github.com/FreeRTOS/FreeRTOS) | ||
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and [API Reference](https://www.FreeRTOS.org/a00106.html). | ||
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### Getting help | ||
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If you have any questions or need assistance troubleshooting your FreeRTOS project, | ||
we have an active community that can help on the | ||
[FreeRTOS Community Support Forum](https://forums.freertos.org). | ||
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## To consume FreeRTOS-Kernel | ||
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### Consume with CMake | ||
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If using CMake, it is recommended to use this repository using FetchContent. | ||
Add the following into your project's main or a subdirectory's `CMakeLists.txt`: | ||
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In case you prefer to add it as a git submodule, do: | ||
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```bash | ||
$ git submodule add https://github.com/FreeRTOS/FreeRTOS-Kernel.git <path of the submodule> | ||
$ git submodule update --init | ||
git submodule add https://github.com/FreeRTOS/FreeRTOS-Kernel.git <path of the submodule> | ||
git submodule update --init | ||
``` | ||
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- Add a freertos_config library (typically an INTERFACE library) The following assumes the directory structure: | ||
- `include/FreeRTOSConfig.h` | ||
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```cmake | ||
add_library(freertos_config INTERFACE) | ||
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### Consuming stand-alone - Cloning this repository | ||
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To clone using HTTPS: | ||
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``` | ||
git clone https://github.com/FreeRTOS/FreeRTOS-Kernel.git | ||
``` | ||
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Using SSH: | ||
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``` | ||
git clone [email protected]:FreeRTOS/FreeRTOS-Kernel.git | ||
``` | ||
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## Repository structure | ||
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- The root of this repository contains the three files that are common to | ||
every port - list.c, queue.c and tasks.c. The kernel is contained within these | ||
three files. croutine.c implements the optional co-routine functionality - which | ||
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- The ```./include``` directory contains the real time kernel header files. | ||
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- The ```./sample_configuration``` directory contains sample a `FreeRTOSConfig.h` to help jumpstart a new project. | ||
See the `FreeRTOSConfig.h` file for instructions. | ||
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### Code Formatting | ||
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FreeRTOS files are formatted using the | ||
"[uncrustify](https://github.com/uncrustify/uncrustify)" tool. | ||
The configuration file used by uncrustify can be found in the | ||
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file. | ||
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### Line Endings | ||
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File checked into the FreeRTOS-Kernel repository use unix-style LF line endings | ||
for the best compatibility with git. | ||
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For optimal compatibility with Microsoft Windows tools, it is best to enable | ||
the git autocrlf feature. You can enable this setting for the current | ||
repository using the following command: | ||
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``` | ||
git config core.autocrlf true | ||
``` | ||
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### Git History Optimizations | ||
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Some commits in this repository perform large refactors which touch many lines | ||
and lead to unwanted behavior when using the `git blame` command. You can | ||
configure git to ignore the list of large refactor commits in this repository | ||
with the following command: | ||
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``` | ||
git config blame.ignoreRevsFile .git-blame-ignore-revs | ||
``` | ||
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### Spelling and Formatting | ||
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We recommend using [Visual Studio Code](https://code.visualstudio.com), | ||
commonly referred to as VSCode, when working on the FreeRTOS-Kernel. | ||
The FreeRTOS-Kernel also uses [cSpell](https://cspell.org/) as part of its | ||
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