This concrete class translates physical button actions into logical UI Button events. More...

Detailed Description

This concrete class translates physical button actions into logical UI Button events.

The class used the Driver::PicoDisplay interface for debouncing the physical buttons

#include <LogicalButtons.h>

Inheritance diagram for Ajax::Ui::LogicalButtons:

Collaboration diagram for Ajax::Ui::LogicalButtons:

Public Member Functions
	LogicalButtons (Cpl::Dm::MailboxServer &myMbox, Cpl::Container::RingBufferMP< AjaxUiEvent_T > &eventRingBuffer)
	Constructor.

void	request (OpenMsg &msg)
	See Cpl::Itc::OpenSync.

void	request (CloseMsg &msg)
	See Cpl::Itc::CloseSync.

Public Member Functions inherited from Cpl::Itc::CloseSync
	CloseSync (PostApi &myMbox) noexcept
	Constructor.

bool	close (void *args=nullptr)
	See CloseSync.

Public Member Functions inherited from Cpl::Itc::OpenSync
	OpenSync (PostApi &myMbox) noexcept
	Constructor.

bool	open (void *args=nullptr)
	See OpenApi.

Public Member Functions inherited from Cpl::Itc::OpenApi
virtual	~OpenApi ()
	Virtual destructor.

Public Member Functions inherited from Cpl::Itc::CloseApi
virtual	~CloseApi ()
	Virtual destructor.

Public Member Functions inherited from Cpl::System::Timer
	Timer (TimerManager &timingSource)
	Constructor

	Timer ()
	Constructor. Alternate constructor - that defers the assignment of the timing source

virtual void	start (unsigned long timerDurationInMilliseconds) noexcept
	Starts the timer with an initial count down count duration of 'timerDurationInMilliseconds'.

virtual void	stop () noexcept
	Stops the timer.

unsigned long	count () const noexcept
	Returns the current count (in milliseconds)

virtual void	setTimingSource (TimerManager &timingSource) noexcept
	Sets the timing source.

Public Member Functions inherited from Cpl::System::CounterCallback_
virtual	~CounterCallback_ ()
	Virtual Destructor.

Public Member Functions inherited from Cpl::Container::Item
bool	insert_ (void *newContainerPtr)
	Helper method to trap when inserting an item in multiple containers.

bool	isInContainer_ (const void *containerPtr) const noexcept
	Returns 'true' if the instance is in the specified container.

Protected Member Functions
void	expired (void) noexcept
	Timer expired callback.

AjaxUiEvent_T	getLogicalKey (int edgeA, int edgeB, int edgeX, int edgeY) noexcept
	Helper method.

AjaxUiEvent_T	lookUpLogicalKey (bool pressedA, bool pressedB, bool pressedX, bool pressedY) noexcept
	Helper method.

void	generateKeyEvent (AjaxUiEvent_T event) noexcept
	Helper method.

int	detectEdges (bool currentPressedState, bool &prevPressedSate) noexcept
	Helper method.

Protected Member Functions inherited from Cpl::System::Timer
void	decrement (unsigned long milliseconds=1) noexcept
	See Cpl::System::CounterCallback_.

void	increment (unsigned long milliseconds) noexcept
	See Cpl::System::CounterCallback_.

Protected Member Functions inherited from Cpl::Container::ExtendedItem
	ExtendedItem ()
	Constructor.

	ExtendedItem (const char *ignoreThisParameter_usedToCreateAUniqueConstructor)
	Constructor used ONLY with the child class MapItem: -->special constructor to allow a Map to be statically allocated.

Protected Member Functions inherited from Cpl::Container::Item
	Item ()
	Constructor.

	Item (const char *)
	Constructor used ONLY with the child class MapItem: -->special constructor to allow a Map to be statically allocated.

Protected Attributes
Cpl::Container::RingBufferMP< AjaxUiEvent_T > &	m_eventQueue
	The event queue.

int	m_state
	Internal button state.

unsigned	m_delayCounter
	Track time by tick counts.

AjaxUiEvent_T	m_latchedKey
	The current detected key event.

unsigned	m_10HzDividerCounter
	Divider to 10Hz.

bool	m_buttonAPressed
	Track when the button has been pressed.

bool	m_buttonBPressed
	Track when the button has been pressed.

bool	m_buttonXPressed
	Track when the button has been pressed.

bool	m_buttonYPressed
	Track when the button has been pressed.

bool	m_releaseEvent
	Track the release action.

bool	m_pressedEvent
	Track the pressed action.

bool	m_isSingleKeyEvent
	Track single vs multi key events.

bool	m_opened
	Track my open/close state.

Protected Attributes inherited from Cpl::Itc::OpenSync
PostApi &	m_mbox
	Mailbox (of the server implementing the ITC request() method.

Protected Attributes inherited from Cpl::System::Timer
TimerManager *	m_timingSource
	The timer's tick source.

unsigned long	m_count
	Current count.

Additional Inherited Members
Public Types inherited from Cpl::Itc::OpenRequest
typedef Cpl::Itc::SAP< OpenRequest >	SAP
	SAP for this API.

typedef RequestMessage< OpenRequest, OpenPayload >	OpenMsg
	Message Type: Open.

Public Types inherited from Cpl::Itc::CloseRequest
typedef Cpl::Itc::SAP< CloseRequest >	SAP
	SAP for this API.

typedef RequestMessage< CloseRequest, ClosePayload >	CloseMsg
	Message Type: Close.

Static Public Member Functions inherited from Cpl::Container::Item
static void	remove_ (Item *itemPtr) noexcept
	Helper method to do the proper 'clean-up' for the multiple-containers-error-trap when removing an item from a container.

Public Attributes inherited from Cpl::Container::ExtendedItem
void *	m_prevPtr_
	The previous link field.

Public Attributes inherited from Cpl::Container::Item
void *	m_nextPtr_
	The link field.

void *	m_inListPtr_
	Debug field.

Constructor & Destructor Documentation

◆ LogicalButtons()

Ajax::Ui::LogicalButtons::LogicalButtons	(	Cpl::Dm::MailboxServer &	myMbox,
		Cpl::Container::RingBufferMP< AjaxUiEvent_T > &	eventRingBuffer )

Constructor.

Member Function Documentation

◆ detectEdges()

int Ajax::Ui::LogicalButtons::detectEdges	(	bool	currentPressedState,
		bool &	prevPressedSate )

protectednoexcept

Helper method.

◆ expired()

void Ajax::Ui::LogicalButtons::expired ( void )

protectedvirtualnoexcept

Timer expired callback.

Implements Cpl::System::CounterCallback_.

◆ generateKeyEvent()

void Ajax::Ui::LogicalButtons::generateKeyEvent ( AjaxUiEvent_T event )

protectednoexcept

Helper method.

◆ getLogicalKey()

AjaxUiEvent_T Ajax::Ui::LogicalButtons::getLogicalKey	(	int	edgeA,
		int	edgeB,
		int	edgeX,
		int	edgeY )

protectednoexcept

Helper method.

◆ lookUpLogicalKey()

AjaxUiEvent_T Ajax::Ui::LogicalButtons::lookUpLogicalKey	(	bool	pressedA,
		bool	pressedB,
		bool	pressedX,
		bool	pressedY )

protectednoexcept

Helper method.

◆ request() [1/2]

void Ajax::Ui::LogicalButtons::request ( CloseMsg & msg )

virtual

See Cpl::Itc::CloseSync.

Implements Cpl::Itc::CloseRequest.

◆ request() [2/2]

void Ajax::Ui::LogicalButtons::request ( OpenMsg & msg )

virtual

See Cpl::Itc::OpenSync.

Implements Cpl::Itc::OpenRequest.

Member Data Documentation

◆ m_10HzDividerCounter

unsigned Ajax::Ui::LogicalButtons::m_10HzDividerCounter

protected

Divider to 10Hz.

◆ m_buttonAPressed

bool Ajax::Ui::LogicalButtons::m_buttonAPressed

protected

Track when the button has been pressed.

◆ m_buttonBPressed

bool Ajax::Ui::LogicalButtons::m_buttonBPressed

protected

Track when the button has been pressed.

◆ m_buttonXPressed

bool Ajax::Ui::LogicalButtons::m_buttonXPressed

protected

Track when the button has been pressed.

◆ m_buttonYPressed

bool Ajax::Ui::LogicalButtons::m_buttonYPressed

protected

Track when the button has been pressed.

◆ m_delayCounter

unsigned Ajax::Ui::LogicalButtons::m_delayCounter

protected

Track time by tick counts.

◆ m_eventQueue

Cpl::Container::RingBufferMP<AjaxUiEvent_T>& Ajax::Ui::LogicalButtons::m_eventQueue

protected

The event queue.

◆ m_isSingleKeyEvent

bool Ajax::Ui::LogicalButtons::m_isSingleKeyEvent

protected

Track single vs multi key events.

◆ m_latchedKey

AjaxUiEvent_T Ajax::Ui::LogicalButtons::m_latchedKey

protected

The current detected key event.

◆ m_opened

bool Ajax::Ui::LogicalButtons::m_opened

protected

Track my open/close state.

◆ m_pressedEvent

bool Ajax::Ui::LogicalButtons::m_pressedEvent

protected

Track the pressed action.

◆ m_releaseEvent

bool Ajax::Ui::LogicalButtons::m_releaseEvent

protected

Track the release action.

◆ m_state

int Ajax::Ui::LogicalButtons::m_state

protected

Internal button state.

The documentation for this class was generated from the following file:

Ajax/Ui/LogicalButtons.h

Detailed Description

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ LogicalButtons()

Member Function Documentation

◆ detectEdges()

◆ expired()

◆ generateKeyEvent()

◆ getLogicalKey()

◆ lookUpLogicalKey()

◆ request() [1/2]

◆ request() [2/2]

Member Data Documentation

◆ m_10HzDividerCounter

◆ m_buttonAPressed

◆ m_buttonBPressed

◆ m_buttonXPressed

◆ m_buttonYPressed

◆ m_delayCounter

◆ m_eventQueue

◆ m_isSingleKeyEvent

◆ m_latchedKey

◆ m_opened

◆ m_pressedEvent

◆ m_releaseEvent

◆ m_state