ubuntu18.04 安装 ros2 foxy

sudo apt update && sudo apt install -y  build-essential

sudo apt install -y git cmake python3-pip

pip install -U colcon-common-extensions vcstool

添加环境变量，让终端可以直接执行colcon和vcs

vi ~/.bashrc

添加到末尾

export PATH=$PATH:~/.local/bin/
source ~/.bashrc

下载源码

mkdir -p ~/ros2_foxy/src
cd ~/ros2_foxy
wget https://raw.githubusercontent.com/ros2/ros2/foxy/ros2.repos
vcs import src < ros2.repos

下载rviz依赖

https://github.com/OGRECave/ogre/archive/v1.12.1.zip

unzip to ~/ros2_foxy

On linux you additionally need the following system headers to build the GL & GLES2 RenderSystems (command for Ubuntu):

sudo apt-get install libgles2-mesa-dev

furthermore we recommend installing the following optional packages

sudo apt-get install libsdl2-dev libxt-dev libxaw7-dev doxygen

安装编译依赖

pip3 install lark numpy

sudo apt-get install python3-pyqt5 pyqt5-dev-tools qttools5-dev-tools

sudo apt-get install python3-sip-dev

编译

cd ~/ros2_foxy/
colcon build --symlink-install

. ~/ros2_foxy/install/local_setup.bash

启动 C++ talker:

. ~/ros2_foxy/install/local_setup.bash
ros2 run demo_nodes_cpp talker

启动 Python listener:

. ~/ros2_foxy/install/local_setup.bash
ros2 run demo_nodes_py listener