bd46aa5bc3
Add autonomous patrol mode with idle behaviors and social integration:
Patrol Node:
- Nav2 /navigate_to_pose integration for autonomous navigation
- Idle behaviors at each waypoint (10-30s pan-tilt sweep + greetings)
- Person detection → pause patrol → social mode → resume
- Battery monitoring: automatic return to dock at <25%
- Teleop override: can be interrupted by joystick control
- Voice commands: 'patrol start/stop' via speech
- Randomized waypoint order for variety
- State publishing to /saltybot/patrol_state
Features:
- Waypoint loading from patrol_params.yaml (x, y, yaw coordinates)
- Random idle durations (configurable 10-30s)
- Pan-tilt sweep and greeting at each waypoint
- Person detection pause with timeout
- Automatic dock return when battery low
- Polling loop for state management
- Voice control integration
State Machine:
IDLE ↔ NAVIGATE → IDLE_BEHAVIOR → (next waypoint)
↓
[Person Detected] → PAUSE_PERSON
↓
[Battery Low] → RETURN_TO_DOCK
↓
[Teleop/Voice] → IDLE
Configuration:
- Waypoints with name, x, y, yaw
- Idle time range (min/max)
- Battery dock threshold (default 25%)
- Person detection pause timeout
Topics:
- /saltybot/patrol_state (String)
- /saltybot/speech_text (String)
- /saltybot/pan_tilt_cmd (String)
- /saltybot/person_detections (Detection2DArray)
- /saltybot/teleop_cmd (String)
- /saltybot/voice_cmd (String)
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
Jetson Nano — AI/SLAM Platform Setup
Self-balancing robot: Jetson Nano dev environment for ROS2 Humble + SLAM stack.
Stack
| Component | Version / Part |
|---|---|
| Platform | Jetson Nano 4GB |
| JetPack | 4.6 (L4T R32.6.1, CUDA 10.2) |
| ROS2 | Humble Hawksbill |
| DDS | CycloneDDS |
| SLAM | slam_toolbox |
| Nav | Nav2 |
| Depth camera | Intel RealSense D435i |
| LiDAR | RPLIDAR A1M8 |
| MCU bridge | STM32F722 (USB CDC @ 921600) |
Quick Start
# 1. Host setup (once, on fresh JetPack 4.6)
sudo bash scripts/setup-jetson.sh
# 2. Build Docker image
bash scripts/build-and-run.sh build
# 3. Start full stack
bash scripts/build-and-run.sh up
# 4. Open ROS2 shell
bash scripts/build-and-run.sh shell
Docs
docs/pinout.md— GPIO/I2C/UART pinout for all peripheralsdocs/power-budget.md— 10W power envelope analysis
Files
jetson/
├── Dockerfile # L4T base + ROS2 Humble + SLAM packages
├── docker-compose.yml # Multi-service stack (ROS2, RPLIDAR, D435i, STM32)
├── README.md # This file
├── docs/
│ ├── pinout.md # GPIO/I2C/UART pinout reference
│ └── power-budget.md # Power budget analysis (10W envelope)
└── scripts/
├── entrypoint.sh # Docker container entrypoint
├── setup-jetson.sh # Host setup (udev, Docker, nvpmodel)
└── build-and-run.sh # Build/run helper
Power Budget (Summary)
| Scenario | Total |
|---|---|
| Idle | 2.9W |
| Nominal (SLAM active) | ~10.2W |
| Peak | 15.4W |
Target: 10W (MAXN nvpmodel). Use RPLIDAR standby + 640p D435i for compliance.
See docs/power-budget.md for full analysis.