The subscription base class as a list node. More...

Inheritance diagram for uORB::SubscriptionNode:

Public Member Functions
	SubscriptionNode (const struct orb_metadata meta, unsigned interval=0, unsigned instance=0, List< SubscriptionNode > *list=nullptr)
	Constructor. More...

virtual bool	update ()=0
	This function is the callback for list traversal updates, a child class must implement it.

virtual bool	forcedUpdate ()=0
	Like update(), but does not check first if there is data available.

Public Member Functions inherited from uORB::SubscriptionBase
	SubscriptionBase (const struct orb_metadata *meta, unsigned interval=0, unsigned instance=0)
	Constructor. More...

	SubscriptionBase (const SubscriptionBase &)=delete

SubscriptionBase &	operator= (const SubscriptionBase &)=delete

	SubscriptionBase (SubscriptionBase &&)=delete

SubscriptionBase &	operator= (SubscriptionBase &&)=delete

bool	updated ()
	Check if there is a new update.

bool	update (void *data)
	Update the struct. More...

int	getHandle () const

const orb_metadata *	getMeta () const

unsigned	getInstance () const

Public Member Functions inherited from ListNode< SubscriptionNode *>
void	setSibling (SubscriptionNode * sibling)

const SubscriptionNode *	getSibling () const

Additional Inherited Members
Protected Attributes inherited from uORB::SubscriptionBase
const struct orb_metadata *	_meta

unsigned	_instance

int	_handle {-1}

Protected Attributes inherited from ListNode< SubscriptionNode *>
SubscriptionNode *	_sibling

Detailed Description

The subscription base class as a list node.

Constructor & Destructor Documentation

uORB::SubscriptionNode::SubscriptionNode	(	const struct orb_metadata *	meta,
		unsigned	interval = `0`,
		unsigned	instance = `0`,
		List< SubscriptionNode >	list = `nullptr`
	)

Constructor.

Parameters

meta	The uORB metadata (usually from the ORB_ID() macro) for the topic.
interval	The minimum interval in milliseconds between updates
instance	The instance for multi sub.
list	A pointer to a list of subscriptions that this should be appended to.

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