embedded_touch/
traits.rs

1use crate::Touch;
2
3/// Blocking interface for touch devices.
4pub trait TouchInputDevice {
5    /// Error type from the underlying interface
6    type Error;
7
8    /// Read current touch points, blocking until data is available
9    ///
10    /// Returns an iterator of *all* touch points currently detected.
11    /// Drivers must track touch IDs across calls to maintain correct phase information.
12    fn touches(&mut self) -> Result<impl IntoIterator<Item = &Touch>, Self::Error>;
13}
14
15/// Async interface for event-driven operation of touch devices
16pub trait AsyncTouchInputDevice {
17    /// Error type from the underlying interface
18    type Error;
19
20    /// Asynchronously wait until touch points are available
21    ///
22    /// Returns an iterator of *all* touch points currently detected.
23    /// Drivers must track touch IDs across calls to maintain correct phase information.
24    fn touches(
25        &mut self,
26    ) -> impl Future<Output = Result<impl IntoIterator<Item = &Touch>, Self::Error>>;
27}
embedded_touch/traits.rs

embedded_touch/
traits.rs
