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minor readme updates
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n9wxu committed Sep 27, 2023
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22 changes: 20 additions & 2 deletions README.md
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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)

## Getting started

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)
Expand All @@ -20,13 +22,15 @@ Additionally, for FreeRTOS kernel feature information refer to the
and [API Reference](https://www.FreeRTOS.org/a00106.html).

### Getting help

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).

## To consume FreeRTOS-Kernel

### Consume with CMake

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`:

Expand All @@ -42,12 +46,13 @@ FetchContent_Declare( freertos_kernel
In case you prefer to add it as a git submodule, do:

```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
```

- Add a freertos_config library (typically an INTERFACE library) The following assumes the directory structure:
- `include/FreeRTOSConfig.h`

```cmake
add_library(freertos_config INTERFACE)
Expand Down Expand Up @@ -93,15 +98,19 @@ target_compile_options(freertos_config INTERFACE ${options})
### Consuming stand-alone - Cloning this repository

To clone using HTTPS:

```
git clone https://github.com/FreeRTOS/FreeRTOS-Kernel.git
```

Using SSH:

```
git clone [email protected]:FreeRTOS/FreeRTOS-Kernel.git
```

## Repository structure

- 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
Expand All @@ -112,7 +121,11 @@ See the readme file in the ```./portable``` directory for more information.

- The ```./include``` directory contains the real time kernel header files.

- The ```./sample_configuration``` directory contains sample a `FreeRTOSConfig.h` to help jumpstart a new project.
See the `FreeRTOSConfig.h` file for instructions.

### Code Formatting

FreeRTOS files are formatted using the
"[uncrustify](https://github.com/uncrustify/uncrustify)" tool.
The configuration file used by uncrustify can be found in the
Expand All @@ -121,26 +134,31 @@ The configuration file used by uncrustify can be found in the
file.

### Line Endings

File checked into the FreeRTOS-Kernel repository use unix-style LF line endings
for the best compatibility with git.

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:

```
git config core.autocrlf true
```

### Git History Optimizations

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:

```
git config blame.ignoreRevsFile .git-blame-ignore-revs
```

### Spelling and Formatting

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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2 changes: 1 addition & 1 deletion sample_configuration/readme.md
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Every FreeRTOS project requires FreeRTOSConfig.h located in their include path. In this folder you will find a sample FreeRTOSConfig.h that will assist you in preparing the configuration for your application.

The FreeRTOSConfig.h in this folder is used in the minimal_freertos_example project provided.
The FreeRTOSConfig.h in this folder is used in the minimal_freertos_example project provided and it not guaranteed to have the same configuration between updates.

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