Struct px4::uorb::Subscription

pub struct Subscription<T> { /* private fields */ }

A subscription to a Message topic.

Create one using subscribe or subscribe_multi.

Dropping the subscription will unsubscribe from the topic.

Implementations

impl<T: Message> Subscription<T>

pub fn get(&self) -> Result<T, i32>

Get a copy of the latest message.

pub fn copy(&self, val: &mut T) -> Result<(), i32>

Copy the latest message into the given message object.

It is safe for *val to be uninitialized when calling this function.

pub fn check(&self) -> Result<bool, i32>

Check if there have been any updates since the last call to get or copy.

pub fn stat(&self) -> Result<u64, i32>

Get the timestamp of the latest message, in microseconds.

pub fn get_priority(&self) -> Result<i32, i32>

Get the priority of the topic.

pub fn set_interval(&self, interval: u32) -> Result<(), i32>

Set the minimum time (in milliseconds) between updates as seen by this subscription.

pub fn get_interval(&self) -> Result<u32, i32>

Get the minimum time (in milliseconds) between updates as seen by this subscription.

pub fn raw_handle(&self) -> i32

Get the raw handle.

Trait Implementations

impl<T> Drop for Subscription<T>

fn drop(&mut self)

Executes the destructor for this type.