Inheritance diagram for MavlinkOrbSubscription:

Public Member Functions
	MavlinkOrbSubscription (const orb_id_t topic, int instance)

bool	update (uint64_t time, void data)
	Check if subscription updated based on timestamp. More...

bool	update (void *data)
	Copy topic data to given buffer. More...

bool	update_if_changed (void *data)
	Check if the subscription has been updated. More...

bool	is_published ()
	Check if the topic has been published. More...

void	subscribe_from_beginning (bool from_beginning)

orb_id_t	get_topic () const

int	get_instance () const

int	get_fd ()

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

const MavlinkOrbSubscription *	getSibling () const

Additional Inherited Members
Protected Attributes inherited from ListNode< MavlinkOrbSubscription *>
MavlinkOrbSubscription *	_sibling

Member Function Documentation

§ is_published()

bool MavlinkOrbSubscription::is_published ( )

Check if the topic has been published.

This call will return true if the topic was ever published.

Returns: true if the topic has been published at least once. If no data is available the buffer will be filled with zeros.

bool MavlinkOrbSubscription::update	(	uint64_t *	time,
		void *	data
	)

Check if subscription updated based on timestamp.

Returns: true only if topic was updated based on a timestamp and copied to buffer successfully. If topic was not updated since last check it will return false but still copy the data. If no data available data buffer will be filled with zeros.

bool MavlinkOrbSubscription::update ( void * data )

Copy topic data to given buffer.

bool MavlinkOrbSubscription::update_if_changed ( void * data )

Check if the subscription has been updated.

Returns: true if there has been an update which has been copied successfully.

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