Files
zmk/app/dts/bindings/zmk,wired-split.yaml
Pete Johanson 147c340c6e Feature: Full-Duplex Wired Split (#2766)
refactor(split): Refactor split code for extension

Extract central/peripheral code to allow for plugging in alternate
transports, instead of tying all split logic to BT.

feat(split): Add full-duplex wired split support

* Depends on full-duplex hardware UART for communication.
* Supports all existing central commands/peripheral events, including
  sensors/inputs from peripherals.
* Only one wired split peripheral supported (for now)
* Relies on chosen `zmk,split-uart` referencing the UART device.

docs: Add wired split config docs.

Migrate split to its own dedicated config file, and add details
on wired split config.

Co-authored-by: Nicolas Munnich <98408764+Nick-Munnich@users.noreply.github.com>

fix: Properly override stack size on RP2040

Move the system work queue stack size override on RP2040 ouf of
a `ZMK_BLE` conditional so it is properly applied generally for that
SoC.

---------

Co-authored-by: Nicolas Munnich <98408764+Nick-Munnich@users.noreply.github.com>
2025-03-18 02:48:32 -04:00

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YAML

# Copyright (c) 2025 The ZMK Contributors
# SPDX-License-Identifier: MIT
description: |
Complete specification of wired split connection
compatible: "zmk,wired-split"
properties:
device:
type: phandle
required: true
description: The UART device for wired split communication
half-duplex:
type: boolean
description: "Experimental: Enable half-duplex protocol mode"
dir-gpios:
type: phandle-array
description: "Experimental: Set the communication direction. Used for RS-422 style comms."