ImuEvent Namespace Reference

Functions
void	AddListener (ImuEventListener *observer, bool priority=false)
	Register an ImuEventListener instance.
void	RemoveListener (ImuEventListener *observer)
	Unregister a previously registered ImuEventListener instance.
void	AddListenerUpdateEvent (void(*Imu_callback)(ImuData data))
	Register a static/free function to receive IMU update events.
void	RemoveListenerUpdateEvent (void(*Imu_callback)(ImuData data))
	Unregister a previously registered IMU update callback.
void	AddListenerGestureEvent (void(*gesture_cb)(ImuGesture type, GestureDirection from))
	Register a static/free function to receive gesture events.
void	RemoveListenerGestureEvent (void(*gesture_cb)(ImuGesture type, GestureDirection from))
	Unregister a previously registered gesture callback.
std::string	getGestureStr (ImuGesture type)
	Convert a gesture enum value to a human-readable string.
std::string	getDirectionStr (GestureDirection from)
	Convert a direction enum value to a human-readable string.

Function Documentation

AddListener()

void ImuEvent::AddListener	(	ImuEventListener *	observer,
		bool	priority = false )

Register an ImuEventListener instance.

Parameters

observer	Listener object to register.
priority	If true, the listener is inserted with higher priority (called earlier).

Warning

Keep observer alive while it is registered. Unregister it before destruction.

AddListenerGestureEvent()

void ImuEvent::AddListenerGestureEvent

(

void(*

gesture_cb )(ImuGesture type, GestureDirection from)

)

Register a static/free function to receive gesture events.

Parameters

gesture_cb

Callback invoked on gesture detection.

Examples

ImuControl/main.cpp.

AddListenerUpdateEvent()

void ImuEvent::AddListenerUpdateEvent

(

void(*

Imu_callback )(ImuData data)

)

Register a static/free function to receive IMU update events.

Parameters

Imu_callback

Callback invoked with the latest IMU data.

Examples

ImuControl/main.cpp.

getDirectionStr()

std::string ImuEvent::getDirectionStr

(

GestureDirection

from

)

Convert a direction enum value to a human-readable string.

Parameters

from	Direction value.

Returns

String representation of from.

Examples

ImuControl/main.cpp.

getGestureStr()

std::string ImuEvent::getGestureStr

(

ImuGesture

type

)

Convert a gesture enum value to a human-readable string.

Parameters

type	Gesture type.

Returns

String representation of type.

Examples

ImuControl/main.cpp.

RemoveListener()

void ImuEvent::RemoveListener

(

ImuEventListener *

observer

)

Unregister a previously registered ImuEventListener instance.

Parameters

observer

Listener object to unregister.

RemoveListenerGestureEvent()

void ImuEvent::RemoveListenerGestureEvent

(

void(*

gesture_cb )(ImuGesture type, GestureDirection from)

)

Unregister a previously registered gesture callback.

Parameters

gesture_cb

Callback to remove.

Examples

ImuControl/main.cpp.

RemoveListenerUpdateEvent()

void ImuEvent::RemoveListenerUpdateEvent

(

void(*

Imu_callback )(ImuData data)

)

Unregister a previously registered IMU update callback.

Parameters

Imu_callback

Callback to remove.

Examples

ImuControl/main.cpp.