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usb2nuon

USB/BT controllers to Nuon DVD player.

Overview

Connects USB and Bluetooth controllers to a Nuon-enhanced DVD player via the Polyface serial protocol. Supports spinner emulation for Tempest 3000 using a USB mouse, and In-Game Reset (IGR) to return to the DVD menu or power off without getting up.

Input

Output

Nuon Output -- Polyface PIO protocol.

Core Configuration

Setting Value
Routing mode SIMPLE (1:1)
Player slots 1 (shift on disconnect)
Max USB devices 1
Profile system Yes
Spinner support Right stick / mouse X-axis to spinner

Key Features

  • Spinner emulation -- USB mouse X-axis maps to Nuon spinner rotation. Left click maps to fire. Optimized for Tempest 3000.
  • In-Game Reset (IGR) -- Hold L1 + R1 + Start + Select:
    • Tap (release before 2s): sends Stop (returns to DVD menu)
    • Hold 2+ seconds: sends Power (powers off the player)
  • Profiles -- Hold Select 2s, then D-Pad Up/Down to cycle.

Supported Boards

Board Build Command
KB2040 make usb2nuon_kb2040

Build and Flash

make usb2nuon_kb2040
make flash-usb2nuon_kb2040

Compatible Hardware

Nuon DVD Players

  • Samsung DVD-N501
  • Samsung DVD-N504 / N505
  • Toshiba SD-2300
  • Motorola Streamaster 5000
  • RCA DRC300N / DRC480N

Compatible Games

Standard Controller

  • Iron Soldier 3
  • Ballistic
  • Space Invaders XL
  • Merlin Racing
  • Freefall 3050 A.D.
  • The Next Tetris

Spinner (Tempest 3000)

  • Tempest 3000 -- premium spinner experience with USB mouse
  • VLM-2 (audio visualizer)

Troubleshooting

Controller not detected:

  • Check Nuon port connections, especially power and ground.
  • Verify data pins match the protocol.

IGR not working:

  • Hold all four buttons (L1 + R1 + Start + Select) simultaneously.
  • Tap for Stop, hold 2+ seconds for Power.
  • Some Nuon players may not respond to all functions.

Spinner too sensitive or too slow:

  • Adjust mouse DPI settings on the mouse itself.
  • Modify NUON_SPINNER_SCALE in firmware for fine tuning.
  • Use an optical mouse for best results.

Tempest 3000 spinner issues:

  • Verify the USB mouse is detected by the adapter.
  • Try a lower DPI setting.
  • Check mouse polling rate.

Buttons not responding:

  • Verify button mapping matches game expectations.
  • Test with a known-good USB controller.