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Wiimote Emulator

Emulates a Bluetooth Wii controller in software.

Raspberry Pi 3 running the emulator in Raspbian

Features

  • Emulate the Wiimote's many features and extensions
  • Allows use of different input devices (keyboard etc.)

Build/Install

The following dependencies/packages are required (if not already installed):

  • libdbus-1-dev
  • libglib2.0-dev
  • libsdl1.2-dev

Run the build script (in the project directory):

source ./build-custom.sh

For more information on the build script, see this explainer.

Using the Emulator

Stop any running Bluetooth service, e.g.:

sudo service bluetooth stop

Start the custom Bluetooth stack (e.g. from the project directory):

sudo ./bluez-4.101/dist/sbin/bluetoothd

Run the emulator (in the project directory):

./wmemulator

With no arguments, the emulator will listen for incoming connections (similar to syncing a real Wiimote). Pressing the sync button on a Wii should cause it to connect.

You can also supply the address of a Wii to directly connect to it as long as you have connected to it before (or you change your device's address to the address of a trusted Wiimote).

./wmemulator XX:XX:XX:XX:XX:XX

You will need to run the custom Bluetooth stack (as described above) whenever using the emulator (it won't persist after e.g. a device restart). Also, the custom stack generally won't be useful for anything besides Wiimote emulation.

To stop the custom stack and restore the original Bluetooth service, e.g.:

sudo killall bluetoothd

sudo service bluetooth start

For more information on bluetooth addresses, see this explainer.

Connecting via UDP sockets

To connect via sockets it is expected that you know the Wii consoles address.

UNIX

./wmemulator XX:XX:XX:XX:XX:XX unix /tmp/some-path-here

IP

./wmemulator XX:XX:XX:XX:XX:XX ip {some-port-number-here}

Data Format

Sockets use the format type status action. For example, to press and hold the Wiimote + button you would send button 1 WIIMOTE_PLUS. To release the + button you would send button 0 WIIMOTE_PLUS.

type This can be analog_motion, button, hotplug, or emulator_control.

status This is the enabled / disabled state of the action. '0' = turn off, '1' = turn on. If you send a 1 the button will stay "pressed" until a 0 is sent.

action This is the equivalent to the physical control you want to invoke. For example WIIMOTE_PLUS or IR_UP

For more information on available types and actions, see this explainer.