Remarks

WiiNunchuck
Status
Source code	GitHub
NuGet package

Code Example

WiiNunchuck nunchuck;

public override Task Initialize()
{
    Resolver.Log.Info("Initialize...");

    nunchuck = new WiiNunchuck(Device.CreateI2cBus(WiiNunchuck.DefaultSpeed));

    nunchuck.GetIdentification();

    Resolver.Log.Info("Update");

    //onetime update - could be used in a game loop
    nunchuck.Update();

    //check the state of a button
    Resolver.Log.Info("C Button is " + (nunchuck.CButton.State == true ? "pressed" : "not pressed"));

    //.NET events
    nunchuck.CButton.Clicked += (s, e) => Resolver.Log.Info("C button clicked");
    nunchuck.ZButton.Clicked += (s, e) => Resolver.Log.Info("Z button clicked");

    nunchuck.AnalogStick.Updated += (s, e) => Resolver.Log.Info($"Analog Stick {e.New.Horizontal}, {e.New.Vertical}");

    return Task.CompletedTask;
}

public override Task Run()
{
    nunchuck.StartUpdating(TimeSpan.FromMilliseconds(200));
    return Task.CompletedTask;
}

Sample project(s) available on GitHub

Wiring Example

To wire a WiiNunchuck to your Meadow board, connect the following:

WiiNunchuck	Meadow Pin
GND	GND
SCL	D08 (SCL)
SDA	D07 (SDA)
VCC	3V3

Characteristic	Locus
Inheritance	System.Object WiiExtensionControllerBase > WiiNunchuck
Inherited Members	WiiExtensionControllerBase.DefaultSpeed WiiExtensionControllerBase.i2cPeripheral WiiExtensionControllerBase.readBuffer WiiExtensionControllerBase.samplingLock WiiExtensionControllerBase.SamplingTokenSource WiiExtensionControllerBase.IsSampling WiiExtensionControllerBase.Initialize() WiiExtensionControllerBase.GetIdentification() WiiExtensionControllerBase.StartUpdating(Nullable<TimeSpan>) WiiExtensionControllerBase.StopUpdating()
Namespace	Meadow.Foundation.Sensors.Hid
Assembly	WiiExtensionControllers.dll

Syntax

public class WiiNunchuck : WiiExtensionControllerBase

Constructors

WiiNunchuck(II2cBus)

Creates a Wii Nunchuck object

Declaration

public WiiNunchuck(II2cBus i2cBus)

Parameters

Type	Name	Description
II2cBus	i2cBus	the I2C bus connected to controller

Properties

Acceleration3D

Acceleration data from accelerometer

Declaration

public Acceleration3D? Acceleration3D { get; protected set; }

Property Value

Type	Description
System.Nullable<Acceleration3D>

AnalogStick

Analog jostick (8 bits of precision)

Declaration

public IAnalogJoystick AnalogStick { get; }

Property Value

Type	Description
IAnalogJoystick

CButton

C Button

Declaration

public IButton CButton { get; }

Property Value

Type	Description
IButton

ZButton

Z Button

Declaration

public IButton ZButton { get; }

Property Value

Type	Description
IButton

Methods

Update()

Get the latest sensor data from the device

Declaration

public override void Update()

Overrides

WiiExtensionControllerBase.Update()