docs: add ros2 workspace README with multi-method installation

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2026-05-27 02:29:06 +08:00
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# ros2 — ROS 2 工作空间
## 环境搭建
支持以下三种安装方式,任选其一。
### 方式一Conda (robostack跨平台)
适用于 Linux / macOS / Windows无需 root 权限。
```bash
# 安装 Miniconda
wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
bash Miniconda3-latest-Linux-x86_64.sh
# 创建 ROS 2 Humble 环境
conda create -n ros2_humble -c robostack-staging -c conda-forge ros-humble-desktop
conda activate ros2_humble
# 安装构建工具
conda install -c robostack-staging -c conda-forge \
colcon-common-extensions \
ros-humble-ament-cmake \
python3-pip
# Python 依赖
pip install pynput
```
### 方式二apt 原生安装 (Ubuntu 22.04)
官方推荐的 Ubuntu 安装方式,系统级集成。
```bash
# 添加 ROS 2 源
sudo apt update && sudo apt install curl gnupg lsb-release
sudo curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key \
-o /usr/share/keyrings/ros-archive-keyring.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu $(lsb_release -cs) main" \
| sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null
# 安装 ROS 2 Humble
sudo apt update
sudo apt install ros-humble-desktop python3-colcon-common-extensions
# Python 依赖
pip install pynput
# 环境配置(或写入 ~/.bashrc
source /opt/ros/humble/setup.bash
```
### 方式三Docker
推荐用于 CI/CD 或快速体验,无需污染宿主机环境。
```bash
# 拉取镜像
docker pull osrf/ros:humble-desktop
# 启动容器(挂载工作空间)
docker run -it --rm \
-v $(pwd)/ros2:/ws \
osrf/ros:humble-desktop \
bash
# 容器内安装依赖
apt update && apt install -y python3-colcon-common-extensions python3-pip
pip install pynput
```
## 构建
```bash
cd ros2
colcon build --symlink-install --packages-select udp_teleop
source install/setup.bash
```
> `--symlink-install`:修改 Python 源文件后无需重新构建,直接生效。
## 运行
```bash
ros2 run udp_teleop keyboard_control \
--ros-args --params-file src/udp_teleop/config/params.yaml
```
也可以通过命令行覆盖参数:
```bash
ros2 run udp_teleop keyboard_control \
--ros-args -p udp_ip:=192.168.1.100 -p udp_port:=9999
```
## 包文档
详见 [src/udp_teleop/README.md](src/udp_teleop/README.md)包含按键映射、UDP 协议、参数配置等。