187 lines
7.0 KiB
ReStructuredText
187 lines
7.0 KiB
ReStructuredText
.. include:: /substitutions.rst
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.. _install:
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==========
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Installing
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==========
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The first step to get started with NuttX is to install a series of required tools, a toolchain for the architecture
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you will be working with and, finally, download NuttX source code itself.
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Prerequisites
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=============
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First, install the following set of system dependencies according to your Operating System:
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.. tabs::
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.. tab:: Linux (debian based)
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Run the following command to install packages:
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.. code-block:: console
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$ sudo apt install \
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bison flex gettext texinfo libncurses5-dev libncursesw5-dev \
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gperf automake libtool pkg-config build-essential gperf genromfs \
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libgmp-dev libmpc-dev libmpfr-dev libisl-dev binutils-dev libelf-dev \
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libexpat-dev gcc-multilib g++-multilib picocom u-boot-tools util-linux
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.. tab:: macOS
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Run the following command to install packages:
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.. code-block:: console
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$ brew install x86_64-elf-gcc # Used by simulator
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$ brew install u-boot-tools # Some platform integrate with u-boot
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.. tab:: Windows / WSL
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If you are are building Apache NuttX on Windows and using WSL follow
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that installation guide for Linux. This has been verified against the
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Ubuntu 18.04 version.
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There may be complications interacting with
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programming tools over USB. Recently support for USBIP was added to WSL 2
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which has been used with the STM32 platform, but it is not trivial to configure:
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https://github.com/rpasek/usbip-wsl2-instructions
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.. tab:: Windows/Cygwin
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Download and install `Cygwin <https://www.cygwin.com/>`_ using the minimal
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installation in addition to these packages::
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make bison libmpc-devel
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gcc-core byacc automake-1.15
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gcc-g++ gperf libncurses-devel
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flex gdb libmpfr-devel
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git unzip zlib-devel
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KConfig frontend
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----------------
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NuttX configuration system uses `KConfig <https://www.kernel.org/doc/Documentation/kbuild/kconfig-language.txt>`_ which is exposed via a series of interactive menu-based *frontends*, part of the ``kconfig-frontends`` package. Depending on your OS you may use a precompiled package or you will have to build it from source, which is available in the `NuttX tools repository <https://bitbucket.org/nuttx/tools/src/master/kconfig-frontends/>`_:
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.. tabs::
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.. code-tab:: console Ubuntu 20.04 LTS and later
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$ apt install kconfig-frontends
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.. code-tab:: console MacOS, Ubuntu 18.04 LTS and earlier
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$ git clone https://bitbucket.org/nuttx/tools.git
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$ cd tools/kconfig-frontends
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$ # on MacOS do the following:
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$ patch < ../kconfig-macos.diff -p 1
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$ ./configure --enable-mconf --disable-shared --enable-static --disable-gconf --disable-qconf --disable-nconf
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$ # on Linux do the following:
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$ ./configure --enable-mconf --disable-nconf --disable-gconf --disable-qconf
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$ make
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$ make install
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Toolchain
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=========
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To build Apache NuttX you need the appropriate toolchain
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according to your target platform. Some Operating Systems
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such as Linux distribute toolchains for various architectures.
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This is usually an easy choice however you should be aware
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that in some cases the version offered by your OS may have
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problems and it may better to use a widely used build from
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another source.
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The following example shows how to install a toolchain for
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ARM architecture:
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.. tabs::
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.. code-tab:: console Ubuntu (deb)
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$ apt install gcc-arm-none-eabi binutils-arm-none-eabi
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.. tab:: From arm.com
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First, create a directory to hold the toolchain:
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.. code-block:: console
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$ usermod -a -G users $USER
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$ # get a login shell that knows we're in this group:
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$ su - $USER
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$ sudo mkdir /opt/gcc
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$ sudo chgrp -R users /opt/gcc
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$ sudo chmod -R u+rw /opt/gcc
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$ cd /opt/gcc
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Download and extract toolchain:
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.. code-block:: console
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$ HOST_PLATFORM=x86_64-linux # use "mac" for macOS.
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$ # For Windows there is a zip instead (gcc-arm-none-eabi-9-2019-q4-major-win32.zip)
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$ curl -L -O https://developer.arm.com/-/media/Files/downloads/gnu-rm/9-2019q4/gcc-arm-none-eabi-9-2019-q4-major-${HOST_PLATFORM}.tar.bz2
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$ tar xf gcc-arm-none-eabi-9-2019-q4-major-${HOST_PLATFORM}.tar.bz2
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Add the toolchain to your `PATH`:
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.. code-block:: console
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$ echo "export PATH=/opt/gcc/gcc-arm-none-eabi-9-2019-q4-major/bin:$PATH" >> ~/.bashrc
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You can edit your shell's rc files if you don't use bash.
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.. tip::
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There are hints on how to get the latest tool chains for most supported
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architectures in the Apache NuttX CI helper
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`script <https://github.com/apache/incubator-nuttx-testing/blob/master/cibuild.sh>`_
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and Docker `container <https://github.com/apache/incubator-nuttx-testing/blob/master/docker/linux/Dockerfile>`_
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.. todo::
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Required toolchain should be part of each arch documentation (see `relevant issue <https://github.com/apache/incubator-nuttx/issues/2409>`_).
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Download NuttX
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==============
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Apache NuttX is actively developed on GitHub. There are two main repositories, `nuttx <https://github.com/apache/incubator-nuttx>`_ and `apps <https://github.com/apache/incubator-nuttx-apps>`_, where the latter is technically optional (but recommended for complete set of features). If you intend to contribute changes, you need the absolute latest version or you simply prefer to work using git, you should clone these repositories (recommended). Otherwise you can choose to download any `stable release <https://nuttx.apache.org/download/>`_ archive.
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.. tabs::
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.. tab:: Clone git repositories
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.. code-block:: console
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$ mkdir nuttx
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$ cd nuttx
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$ git clone https://github.com/apache/incubator-nuttx.git nuttx
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$ git clone https://github.com/apache/incubator-nuttx-apps apps
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The development source code is also available as a compressed archive, should you need it:
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.. code-block:: console
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$ mkdir nuttx
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$ cd nuttx
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$ curl -L https://github.com/apache/incubator-nuttx/tarball/master -o nuttx.tar.gz
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$ curl -L https://github.com/apache/incubator-nuttx-apps/tarball/master -o apps.tar.gz
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$ tar zxf nuttx.tar.gz
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$ tar zxf apps.tar.gz
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There are also ``.zip`` archives available (useful for Windows users): just replace ``tarball`` with
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``zipball``.
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.. tab:: Download stable release
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Go to `releases <https://nuttx.apache.org/download/>`_ and choose a version to download. The following
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example uses version 9.1.0:
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.. code-block:: console
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$ mkdir nuttx
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$ cd nuttx
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$ curl -L https://downloads.apache.org/incubator/nuttx/9.1.0/apache-nuttx-9.1.0-incubating.tar.gz -o nuttx.tar.gz
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$ curl -L https://downloads.apache.org/incubator/nuttx/9.1.0/apache-nuttx-apps-9.1.0-incubating.tar.gz -o apps.tar.gz
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$ tar zxf nuttx.tar.gz
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$ tar zxf apps.tar.gz
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