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NAO6 Integration Handoff Document

Date: 2024-11-12
Status: ✅ Production Ready - Action Execution Pending
Session Duration: ~3 hours

🎯 What's Ready

✅ Completed

  1. Live Robot Connection - NAO6 @ nao.local fully connected via ROS2
  2. Plugin System - NAO6 ROS2 Integration plugin (v2.1.0) with 10 actions
  3. Database Integration - Plugin installed, experiments seeded with NAO6 actions
  4. Web Test Interface - /nao-test page working with live robot control
  5. Documentation - 1,877 lines of comprehensive technical docs
  6. Repository Cleanup - Consolidated into robot-plugins git repo (pushed to GitHub)

🚧 Next Step: Action Execution

Current Gap: Experiment designer → WebSocket → ROS2 → NAO flow not implemented

The plugin is loaded, actions are in the database, but clicking "Execute" in the wizard interface doesn't send commands to the robot yet.

🚀 Quick Start (For Next Agent)

Terminal 1: Start NAO6 Integration

cd ~/Documents/Projects/nao6-hristudio-integration
./start-nao6.sh

Expect: Color-coded logs showing NAO Driver, ROS Bridge, ROS API running

Terminal 2: Start HRIStudio

cd ~/Documents/Projects/hristudio
bun dev

Access: http://localhost:3000

Verify Setup

  1. Test Page: http://localhost:3000/nao-test

    • Click "Connect" → Should turn green
    • Click "Speak" → NAO should talk
    • Movement buttons → NAO should move

  2. Experiment Designer: http://localhost:3000/experiments/[id]/designer

    • Check "Basic Interaction Protocol 1"
    • Should see NAO6 actions in action library
    • Drag actions to experiment canvas

  3. Database Check:

    bun db:seed  # Should complete without errors

📁 Key File Locations

NAO6 Integration Repository

~/Documents/Projects/nao6-hristudio-integration/
├── start-nao6.sh              # START HERE - runs everything
├── nao6-plugin.json           # Plugin definition (10 actions)
├── SESSION-SUMMARY.md         # Complete session details
└── docs/                      # Technical references
    ├── NAO6-ROS2-TOPICS.md           (26 topics documented)
    ├── HRISTUDIO-ACTION-MAPPING.md   (Action specs + TypeScript types)
    └── INTEGRATION-SUMMARY.md        (Quick reference)

HRIStudio Project

~/Documents/Projects/hristudio/
├── robot-plugins/             # Git submodule @ github.com/soconnor0919/robot-plugins
│   └── plugins/
│       └── nao6-ros2.json    # MAIN PLUGIN FILE (v2.1.0)
├── src/app/(dashboard)/nao-test/
│   └── page.tsx              # Working test interface
├── src/components/experiments/designer/
│   └── ActionRegistry.ts     # Loads plugin actions
└── scripts/seed-dev.ts       # Seeds NAO6 plugin into DB

🔧 Current System State

Database

  • 2 repositories: Core + Robot Plugins
  • 4 plugins: Core System, TurtleBot3 Burger, TurtleBot3 Waffle, NAO6 ROS2 Integration
  • NAO6 installed in: "Basic Interaction Protocol 1" study
  • Experiment actions: Step 1 has "NAO Speak Text", Step 3 has "NAO Move Head"

ROS2 System

  • 26 topics available when start-nao6.sh is running
  • Key topics: /speech, /cmd_vel, /joint_angles, /joint_states, /bumper, etc.
  • WebSocket: ws://localhost:9090 (rosbridge_websocket)

Robot

  • IP: nao.local (134.82.159.168)
  • Credentials: nao / robolab
  • Status: Awake and responsive (test with ping)

🎯 Implementation Needed

1. Action Execution Flow

Where to implement:

  • src/components/trials/WizardInterface.tsx or similar
  • Connect "Execute Action" button → WebSocket → ROS2

What it should do:

// When wizard clicks "Execute Action" on a NAO6 action
function executeNAO6Action(action: Action) {
  // 1. Get action parameters from database
  const { type, parameters } = action;
  
  // 2. Connect to WebSocket (if not connected)
  const ws = new WebSocket('ws://localhost:9090');
  
  // 3. Map action type to ROS2 topic
  const topicMapping = {
    'nao6_speak': '/speech',
    'nao6_move_forward': '/cmd_vel',
    'nao6_move_head': '/joint_angles',
    // ... etc
  };
  
  // 4. Create ROS message
  const rosMessage = {
    op: 'publish',
    topic: topicMapping[type],
    msg: formatMessageForROS(type, parameters)
  };
  
  // 5. Send to robot
  ws.send(JSON.stringify(rosMessage));
  
  // 6. Log to trial_events
  logTrialEvent({
    trial_id: currentTrialId,
    event_type: 'action_executed',
    event_data: { action, timestamp: Date.now() }
  });
}

2. Message Formatting

Reference: See nao6-hristudio-integration/docs/HRISTUDIO-ACTION-MAPPING.md

Examples:

function formatMessageForROS(actionType: string, params: any) {
  switch(actionType) {
    case 'nao6_speak':
      return { data: params.text };
      
    case 'nao6_move_forward':
      return {
        linear: { x: params.speed, y: 0, z: 0 },
        angular: { x: 0, y: 0, z: 0 }
      };
      
    case 'nao6_move_head':
      return {
        joint_names: ['HeadYaw', 'HeadPitch'],
        joint_angles: [params.yaw, params.pitch],
        speed: params.speed,
        relative: 0
      };
  }
}

3. WebSocket Connection Management

Suggested approach:

  • Create useROSBridge() hook in src/hooks/
  • Manage connection state, auto-reconnect
  • Provide publish(), subscribe(), callService() methods

🧪 Testing Checklist

Before marking as complete:

  • Can execute "Speak Text" action from wizard interface → NAO speaks
  • Can execute "Move Forward" action → NAO walks
  • Can execute "Move Head" action → NAO moves head
  • Actions are logged to trial_events table
  • Connection errors are handled gracefully
  • Emergency stop works from wizard interface
  • Multiple actions in sequence work
  • Sensor monitoring displays in wizard interface

📚 Reference Documentation

Primary Sources

  1. Working Example: src/app/(dashboard)/nao-test/page.tsx

    • Lines 67-100: WebSocket connection setup
    • Lines 200-350: Action execution examples
    • This is WORKING code - use it as template!

  2. Action Specifications: nao6-hristudio-integration/docs/HRISTUDIO-ACTION-MAPPING.md

    • Lines 1-100: Each action with parameters
    • TypeScript types already defined
    • WebSocket message formats included

  3. ROS2 Topics: nao6-hristudio-integration/docs/NAO6-ROS2-TOPICS.md

    • Complete message type definitions
    • Examples for each topic

TypeScript Types

Already defined in action mapping doc:

interface SpeakTextAction {
  action: 'nao6_speak';
  parameters: {
    text: string;
    volume?: number;
  };
}

interface MoveForwardAction {
  action: 'nao6_move_forward';
  parameters: {
    speed: number;
    duration: number;
  };
}

🔍 Where to Look

To understand plugin loading:

  • src/components/experiments/designer/ActionRegistry.ts
  • src/components/experiments/designer/panels/ActionLibraryPanel.tsx

To see working WebSocket code:

  • src/app/(dashboard)/nao-test/page.tsx (fully functional!)

To find action execution trigger:

  • Search for: executeAction, onActionExecute, runAction
  • Likely in: src/components/trials/ or src/components/experiments/

🚨 Important Notes

DO NOT

  • ❌ Modify robot-plugins/ without committing/pushing (it's a git repo)
  • ❌ Change plugin structure without updating seed script
  • ❌ Remove start-nao6.sh - it's the main entry point
  • ❌ Hard-code WebSocket URLs - use config/env vars

DO

  • ✅ Use existing /nao-test page code as reference
  • ✅ Test with live robot frequently
  • ✅ Log all actions to trial_events table
  • ✅ Handle connection errors gracefully
  • ✅ Add loading states for action execution

Known Working

  • ✅ WebSocket connection (/nao-test proves it works)
  • ✅ ROS2 topics (26 topics verified)
  • ✅ Plugin loading (shows in action library)
  • ✅ Database integration (seed script works)

Known NOT Working

  • ❌ Action execution from experiment designer/wizard interface
  • ❌ Sensor data display in wizard interface (topics exist, just not displayed)
  • ❌ Camera streaming to browser

🤝 Session Handoff Summary

What We Did

  1. Connected to live NAO6 robot at nao.local
  2. Documented all 26 ROS2 topics with complete specifications
  3. Created clean plugin with 10 actions
  4. Integrated plugin into HRIStudio database
  5. Built working test interface proving WebSocket → ROS2 → NAO works
  6. Cleaned up repositories (removed duplicates, committed to git)
  7. Updated experiments to use NAO6 actions
  8. Fixed APT repository issues
  9. Created comprehensive documentation (1,877 lines)

What's Left

ONE THING: Connect the experiment designer's "Execute Action" button to the WebSocket/ROS2 system.

The hard part is done. The /nao-test page is a fully working example of exactly what you need to do - just integrate that pattern into the wizard interface.

🎓 Key Insights

  1. We're NOT writing a WebSocket server - using ROS2's official rosbridge_websocket
  2. The test page works perfectly - copy its pattern
  3. All topics are documented - no guesswork needed
  4. Plugin is in database - just needs execution hookup
  5. Robot is live and responsive - test frequently!

⚡ Quick Commands

# Start everything
cd ~/Documents/Projects/nao6-hristudio-integration && ./start-nao6.sh
cd ~/Documents/Projects/hristudio && bun dev

# Test robot
curl -X POST http://localhost:9090 -d '{"op":"publish","topic":"/speech","msg":{"data":"Test"}}'

# Reset robot
sshpass -p robolab ssh nao@nao.local \
  "python2 -c 'import sys; sys.path.append(\"/opt/aldebaran/lib/python2.7/site-packages\"); import naoqi; p=naoqi.ALProxy(\"ALRobotPosture\",\"127.0.0.1\",9559); p.goToPosture(\"StandInit\", 0.5)'"

# Reseed database
cd ~/Documents/Projects/hristudio && bun db:seed

Next Agent: Start by reviewing /nao-test/page.tsx - it's the Rosetta Stone for this integration. Everything you need is already working there!

Estimated Time: 2-4 hours to implement action execution
Difficulty: Medium (pattern exists, just needs integration)
Priority: High (this is the final piece)

Status: 🟢 Ready for implementation
Blocker: None - all prerequisites met
Dependencies: Robot must be running (start-nao6.sh)

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