Component: Wii Nunchuk (Movement Orientation): Difference between revisions
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadAccelerometer''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadAccelerometer''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadJoystick''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadJoystick''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadSwitch''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadSwitch''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SimReset1G''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SimReset1G''' | ||
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Revision as of 14:17, 13 July 2026
| Author | Matrix TSL |
| Version | 2.0 |
| Category | Movement Orientation |
Wii Nunchuk component
A component to interface the Wii Nunchuck which features a 3-axis 10-bit Accelerometer A 2-axis 8-bit joystick and two digital button inputs. Interfaced using a standard I2C bus at 100KHz. Nunchuk must be powered at 3V3 to avoid damage.
Component Source Code
Please click here to download the component source project: FC_Comp_Source_WiiNunchuck.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_WiiNunchuck.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
Initialise
|
Initialise |
| Sets up up the communication bus and initialises the accelerometer module. Returns 1 for success and 0 for fail. | |
 - BYTE
|
Return |
ReadAccelerometer
|
|
ReadAccelerometer |
| Reads a single Accelerometer axis | |
| - BYTE
|
Axis |
| 0=X, 1=Y, 2=Z | |
 - INT
|
Return |
ReadJoystick
|
|
ReadJoystick |
| Reads a single joystick axis | |
| - BYTE
|
Axis |
| 0=X, 1=Y | |
| - INT
|
Return |
ReadSwitch
|
|
ReadSwitch |
| Reads one of the nunchuck switches | |
| - BYTE
|
Switch |
| 0=Z, 1=C | |
 - BOOL
|
Return |
Sample
|
|
Sample |
| Reads from the nunchuck and updates the local variables. | |
 - VOID
|
Return |
SimReset1G
|
|
SimReset1G |
| Resets the simulation to 0.0 on X and Y and 1.0 on Z as if the accelerometer was sitting completely horizontal. | |
| - VOID
|
Return |
Property reference
|
Properties |
|
Bit Depth |
| The number of binary bits used to store the sensor's X,Y,Z readings. | |
|
Encryption |
| Decides if encryption should be active or disabled | |
|
Connections |
|
Channel |
| Channel selection | |
|
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Baud Select |
| Baud rate option selector | |
|
|
Baud Rate |
| Baud rate to be used | |
|
SDA |
| Pin used for SDA (data signal) | |
|
|
SCL |
| Pin used for SCL (clock signal) | |
|
|
Stop Delay |
| On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | |
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Simulation |
|
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Simulate Comms |
| Yes: Accelerometer data will come from the simulation component sliders. No: Accelerometer data will come from the CAL component - I2C or SPI - API etc | |