Struct FeatureSetFeature 

pub struct FeatureSetFeature { /* private fields */ }

Implements the FeatureSet / 0x0001 feature.

This feature is primarily used to collect all features supported by the device. To achieve this, call Self::count to retrieve the amount of supported features (excluding the root feature). Then call Self::get_feature for every i in 1..=count (1-based, as accessing the root feature is not allowed).

The table is fixed for the life of the connection: no write changes what either function answers. Both therefore adopt a reply still owed to an abandoned identical ask (AbandonedReply::AdoptIdentical), so a walk that re-asks for an entry the link dropped is not held for the channel’s stale-reply grace on every retry — the one place that trade is sound.

Implementations

impl FeatureSetFeature

pub async fn count(&self) -> Result<u8, Hidpp20Error>

Retrieves the amount of features supported by the device, not including the root feature.

pub async fn get_feature( &self, index: u8, ) -> Result<FeatureInformation, Hidpp20Error>

Retrieves the information about a specific feature based on its index in the feature table.

Feature index 0 for the root feature is not allowed.

Trait Implementations

impl Clone for FeatureSetFeature

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl CreatableFeature for FeatureSetFeature

const ID: u16 = 1u16

The protocol ID of the implemented feature.

const STARTING_VERSION: u8 = 0u8

The version of the feature the implementation starts to support.

fn new(chan: Arc<HidppChannel>, device_index: u8, feature_index: u8) -> Self

Creates a new instance of the feature implementation.

impl Feature for FeatureSetFeature