Ardupilot Install Script Fix

docs/installation.md

@@ -56,17 +56,21 @@ source ~/.bashrc
 ```
 
 **Installs:**
+- Micro-XRCE-DDS-Gen (required for DDS)
 - ArduPilot SITL
 - ardupilot_gz (Gazebo integration)
-- MAVProxy
+- MAVProxy (`~/.local/bin/mavproxy.py`)
 
-**Run:**
+**Run (2 terminals):**
+
+Terminal 1:
 ```bash
-# Terminal 1
 source ~/ardu_ws/install/setup.bash
 ros2 launch ardupilot_gz_bringup iris_runway.launch.py
+```
 
-# Terminal 2
+Terminal 2:
+```bash
 mavproxy.py --console --map --master=:14550
 ```
 
@@ -96,21 +100,16 @@ source activate.sh
 python standalone_simulation.py
 ```
 
-**Note:** ROS 2 and Gazebo not supported on macOS. Use standalone mode.
+**Note:** ROS 2 and Gazebo not supported. Use standalone mode.
 
 ---
 
 ## Manual Install
 
 ```bash
-# Create virtual environment
 python3 -m venv venv
 source venv/bin/activate
-
-# Install packages
 pip install -r requirements.txt
-
-# Run
 python standalone_simulation.py
 ```
 
@@ -123,3 +122,42 @@ python -c "import pybullet; print('PyBullet OK')"
 python -c "import cv2; print('OpenCV OK')"
 python -c "from pymavlink import mavutil; print('pymavlink OK')"
 ```
+
+---
+
+## Troubleshooting
+
+### MAVProxy not found
+
+```bash
+# Install
+pip3 install --user mavproxy
+
+# Add to PATH
+echo 'export PATH=$PATH:~/.local/bin' >> ~/.bashrc
+source ~/.bashrc
+
+# Verify
+which mavproxy.py
+```
+
+### microxrceddsgen not found
+
+```bash
+# Install (needed for ArduPilot DDS)
+git clone --recurse-submodules https://github.com/eProsima/Micro-XRCE-DDS-Gen.git ~/Micro-XRCE-DDS-Gen
+cd ~/Micro-XRCE-DDS-Gen
+./gradlew assemble
+
+# Add to PATH
+echo 'export PATH=$PATH:~/Micro-XRCE-DDS-Gen/scripts' >> ~/.bashrc
+source ~/.bashrc
+```
+
+### Build errors
+
+```bash
+# Rebuild with override flag
+cd ~/ardu_ws
+colcon build --packages-up-to ardupilot_gz_bringup --allow-overriding ros_gz_bridge ros_gz_sim sdformat_urdf
+```