Features:
- Virtual dual-stick gamepad interface
* Left stick: linear velocity (forward/backward)
* Right stick: angular velocity (turn left/right)
- Canvas-based rendering with real-time visual feedback
- Velocity vector visualization on sticks
- 10% deadzone on both axes for dead-stick detection
- WASD keyboard fallback for manual driving
* W/S: forward/backward
* A/D: turn left/right
* Smooth blending between gamepad and keyboard input
- Speed limiter slider (0-100%)
* Real-time control of max velocity
* Disabled during e-stop state
- Emergency stop button (e-stop)
* Immediate velocity zeroing
* Visual status indicator (red when active)
* Prevents accidental motion during e-stop
- ROS Integration
* Publishes geometry_msgs/Twist to /cmd_vel
* Max linear velocity: 0.5 m/s
* Max angular velocity: 1.0 rad/s
* 50ms update rate
- UI Features
* Real-time velocity display (m/s and rad/s)
* Status bar with control mode indicator
* Speed limit percentage display
* Control info with keyboard fallback guide
Integration:
- Replaces previous split-view control layout
- Enhanced TELEMETRY/control tab
- Comprehensive gamepad + keyboard control system
Build: 120 modules, no errors
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>