zmk/docs/docs/development/local-toolchain/setup/native.mdx

---
title: Native Setup
sidebar_label: Native
---

import Tabs from "@theme/Tabs";
import TabItem from "@theme/TabItem";

export const OsTabs = (props) => (
    <Tabs
    groupId="operating-system"
    defaultValue="ubuntu"
    values={[
      { label: "Ubuntu", value: "ubuntu" },
      { label: "Windows", value: "win" },
      { label: "Mac OS", value: "mac" }
    ]}
  >
    {/* eslint-disable-next-line */}
    {props.children}
  </Tabs>

);

export const OsNoteTabs = (props) => (
    <Tabs
    groupId="operating-system"
    defaultValue="win"
    values={[
      { label: "Windows", value: "win" },
      { label: "Raspberry OS", value: "raspberryos" },
    ]}
  >
    {/* eslint-disable-next-line */}
    {props.children}
  </Tabs>

);

export const EnvTabs = (props) => (
    <Tabs
    groupId="python-environment"
    defaultValue="venv"
    values={[
      { label: "Install within Virtual Environment", value: "venv" },
      { label: "Install globally", value: "glob" },
    ]}
  >
    {/* eslint-disable-next-line */}
    {props.children}
  </Tabs>

);

export const WinTermTabs = (props) => (
    <Tabs
    groupId="windows-terminal-choice"
    defaultValue="cmd"
    values={[
      { label: "Command Prompt", value: "cmd" },
      { label: "Powershell", value: "ps" },
    ]}
  >
    {/* eslint-disable-next-line */}
    {props.children}
  </Tabs>

);

## 1. Install Zephyr Dependencies

Open Zephyr's [Getting Started Guide](https://docs.zephyrproject.org/3.5.0/develop/getting_started/index.html) and follow the instructions under these sections:

- [Select and Update OS](https://docs.zephyrproject.org/3.5.0/develop/getting_started/index.html#select-and-update-os)
- [Install Dependencies](https://docs.zephyrproject.org/3.5.0/develop/getting_started/index.html#install-dependencies)

:::info
Zephyr's [Install Linux Host Dependencies](https://docs.zephyrproject.org/3.5.0/develop/getting_started/installation_linux.html) page may be of use for users of Linux distributions which are not based on Ubuntu.
:::

## 2. Source Code

Next, you'll need to clone the ZMK source repository if you haven't already. Open a terminal and navigate to the folder you would like to place your `zmk` directory in, then run the following command:

```sh
git clone https://github.com/zmkfirmware/zmk.git
```

Then step into the repository.

```sh
cd zmk
```

## 3. Get Zephyr and install Python dependencies

:::note
These steps are very similar to Zephyr's [Get Zephyr and install Python dependencies](https://docs.zephyrproject.org/3.5.0/develop/getting_started/index.html#get-zephyr-and-install-python-dependencies) instructions, but specialized for ZMK.
:::

<EnvTabs>
<TabItem value="venv">
<Tabs groupId="operating-systems" defaultValue="ubuntu">
  <TabItem value="ubuntu" label="Ubuntu">

1. Use `apt` to install Python `venv` package:

```sh
sudo apt install python3-venv
```

2. Create a new virtual environment and activate it:

```sh
python3 -m venv .venv
source .venv/bin/activate
```

  </TabItem>

  <TabItem value="win" label="Windows">
1. Create a new virtual environment:

```sh
python -m venv .venv
```

2. Activate the virtual environment:

  <WinTermTabs>
    <TabItem value="cmd">

```sh
.venv\Scripts\activate.bat
```

    </TabItem>

    <TabItem value="ps">

```powershell
.venv\Scripts\Activate.ps1
```

    </TabItem>

  </WinTermTabs>
  </TabItem>

  <TabItem value="mac" label="Mac OS">

1. Create a new virtual environment:

```sh
python3 -m venv .venv
```

2. Activate the virtual environment:

```sh
source .venv/bin/activate
```

  </TabItem>
</Tabs>

Once activated your shell will be prefixed with `(.venv)`. The virtual environment can be deactivated at any time by running `deactivate`.

:::note
Remember to activate the virtual environment every time you start working.
:::

4. Install west:

```sh
pip install west
```

5. Initialize the application and update to fetch modules, including Zephyr:

```sh
west init -l app/
west update
```

:::tip
This step pulls down quite a bit of tooling, be patient!
:::

6. Export a [Zephyr CMake package](https://docs.zephyrproject.org/3.5.0/build/zephyr_cmake_package.html#cmake-pkg). This allows CMake to automatically load boilerplate code required for building Zephyr applications.

```sh
west zephyr-export
```

7. Install the additional dependencies found in Zephyr's `requirements-base.txt`:

```sh
pip install -r zephyr/scripts/requirements-base.txt
```

</TabItem>
<TabItem value="glob">
<Tabs groupId="operating-systems" defaultValue="ubuntu">
  <TabItem value="ubuntu" label="Ubuntu">
1. Install `west`:

```sh
pip3 install --user -U west
```

:::note
You need `~/.local/bin` to be on your `PATH` environment variable; verify that it is by running

```sh
west --version
```

If this prints an error rather than a `west` version number, then add `~/.local/bin` to your `PATH`:

```sh
echo 'export PATH=~/.local/bin:"$PATH"' >> ~/.bashrc
source ~/.bashrc
```

:::

  </TabItem>

  <TabItem value="win" label="Windows">
1. Install `west`:

```sh
pip install -U west
```

:::note
You need the Python scripts directory to be on your PATH environment variable; verify that it is by running

```sh
west --version
```

If this prints an error rather than a `west` version number, then add said directory to your `PATH` with PowerShell:

```powershell
$Scripts = python -c "import sysconfig; print(sysconfig.get_path('scripts'))"
$Path = [Environment]::GetEnvironmentVariable('PATH', 'User')
[Environment]::SetEnvironmentVariable('PATH', "$Path;$Scripts", 'User')
$env:PATH += ";$Scripts"
```

:::

  </TabItem>

  <TabItem value="mac" label="Mac OS">

1. Install `west`:

```sh
pip3 install -U west
```

  </TabItem>
</Tabs>

2. Initialize the application and update to fetch modules, including Zephyr:

```sh
west init -l app/
west update
```

:::tip
This step pulls down quite a bit of tooling, be patient!
:::

3. Export a [Zephyr CMake package](https://docs.zephyrproject.org/3.5.0/build/zephyr_cmake_package.html#cmake-pkg). This allows CMake to automatically load boilerplate code required for building Zephyr applications.

```sh
west zephyr-export
```

<Tabs groupId="operating-systems" defaultValue="ubuntu" className="secrettabs">
  <TabItem value="ubuntu" label="Ubuntu">

4. Install the additional dependencies found in Zephyr's `requirements-base.txt`:

```sh
pip3 install --user -r zephyr/scripts/requirements-base.txt
```

  </TabItem>

  <TabItem value="win" label="Windows">

4. Install the additional dependencies found in Zephyr's `requirements-base.txt`:

```sh
pip install -r zephyr/scripts/requirements-base.txt
```

  </TabItem>

  <TabItem value="mac" label="Mac OS">
4. Install the additional dependencies found in Zephyr's `requirements-base.txt`.

```sh
pip3 install -r zephyr/scripts/requirements-base.txt
```

  </TabItem>
</Tabs>
</TabItem>
</EnvTabs>

## 4. Install Zephyr SDK

Return to Zephyr's Getting Started Guide and [Install Zephyr SDK](https://docs.zephyrproject.org/3.5.0/develop/getting_started/index.html#install-zephyr-sdk).

### OS-Specific Notes

<OsNoteTabs>
<TabItem value="win">
  `dfu-util` is required to flash devices that use DFU, but there is currently
  no maintained package for it on Chocolatey. [QMK
  Toolbox](https://github.com/qmk/qmk_toolbox) contains a working version of it
  though.
</TabItem>

<TabItem value="raspberryos">
#### Install cross-compile toolchain

Because Raspberry OS runs on the same architecture (but different ABI) as ARM keyboard MCUs, the operating system's installed [cross compilers](https://docs.zephyrproject.org/3.5.0/develop/toolchains/other_x_compilers.html) can be used to target the different ABI. Building for non-ARM MCUs has not been tested.

First, the cross compiler should be installed:

```sh
sudo apt install gcc-arm-none-eabi
```

Next, we'll configure Zephyr with some [environment variables](https://docs.zephyrproject.org/3.5.0/develop/env_vars.html#env-vars) needed to find the cross compiler. Create a file named `~/.zephyrrc` if it doesn't exist, and add these lines to it:

```sh
export ZEPHYR_TOOLCHAIN_VARIANT=cross-compile
export CROSS_COMPILE=/usr/bin/arm-none-eabi-
```

</TabItem>
</OsNoteTabs>

Your setup is now complete.