rill-patchbay 0.6.0-M2

The world where Automata live - control system for Rill
Documentation 
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//! # Sensor — external input bridge
//!
//! A `Sensor` converts external data (MIDI, OSC, hardware knobs, signal analysis)
//! into `ControlEvent`s that can be mapped through
//! `ParameterMapping` to graph parameters.
//!
//! ## Available sensor types
//!
//! - `midi` — MIDI controller and note sensors (`MidiHub`, `spawn_midi_sensor`)
//! - [`osc`] — OSC address-based sensors ([`OscSensor`], [`spawn_osc_sensor`])
//! - `hearing` — signal analysis algorithms (pitch, envelope, zero-crossing)
//!   for acoustic sensors that react to graph signal output.
//!
//! Multiple sensors can run independently — all events share a single
//! mailbox drained by `Patchbay::drain_events`.

pub mod hearing;

use rill_core_actor::ActorRef;

use crate::engine::{ControlEvent, Module};

/// External input that produces [`ControlEvent`]s and dispatches them
/// via a shared [`ActorRef`].
///
/// `Sensor` extends [`Module`] so every sensor is also a rack module.
pub trait Sensor: Module {
    /// Attach the sensor to an event sink.
    ///
    /// Called before [`start`](Self::start). The sensor stores the
    /// [`ActorRef`] and uses it to send events during its lifetime.
    fn attach(&mut self, events: ActorRef<ControlEvent>);

    /// Start the sensor (begin polling, open device, spawn thread, etc.).
    fn start(&mut self);
}