OctaTouch

Architecture

Core Engine

The gesture engine is written in C++17 and has no OS dependencies. It lives in core/ and exposes a single entry point: GestureEngine::Submit(frame).

Channel Model

Eight functional channels: L1, L2, L3, L4, R1, R2, R3, R4. See docs/adr/0001-eight-channel-archive-model.md.

Platform Adapters

Each platform translates raw hardware input to GestureInputFrame and submits it to the engine:

Platform	Adapter
Web	platforms/web/PointerEventAdapter.ts
AD7879	integrations/firmware-ad7879/ad7879_driver.c
In-vehicle HMI	integrations/in-vehicle-hmi/DrivingModeGate.cpp
iOS	apps/expo-demo/modules/octatouch-native/

Storage

Archives bind to channels via IntentResolver. Schema: infra/migrations/.

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