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Feature: Full-Duplex Wired Split (#2766)

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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>
This commit is contained in:
Pete Johanson
2025-03-18 00:48:32 -06:00
committed by GitHub
parent 5ba7e260f4
commit 147c340c6e
44 changed files with 2201 additions and 373 deletions
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6
app/tests/ble/split/run-peripheral-behavior/snapshot.log
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@@ -13,10 +13,12 @@ peripheral 0 <dbg> zmk: split_svc_select_phys_layout_callback: Selecting physica
peripheral 0 <dbg> zmk: kscan_mock_work_handler_0: ev 327680000 row 0 column 0 state 0
peripheral 0 <dbg> zmk: kscan_mock_schedule_next_event_0: delaying next keypress: 5000
peripheral 0 <dbg> zmk: zmk_physical_layouts_kscan_process_msgq: Row: 0, col: 0, position: 0, pressed: false
peripheral 0 <dbg> zmk: split_listener:
peripheral 0 <dbg> zmk: split_peripheral_listener:
peripheral 0 <dbg> zmk: kscan_mock_work_handler_0: ev 2475163905 row 1 column 1 state 1
peripheral 0 <dbg> zmk: kscan_mock_schedule_next_event_0: delaying next keypress: 5000
peripheral 0 <dbg> zmk: zmk_physical_layouts_kscan_process_msgq: Row: 1, col: 1, position: 3, pressed: true
peripheral 0 <dbg> zmk: split_listener:
peripheral 0 <dbg> zmk: split_peripheral_listener:
peripheral 0 <dbg> zmk: split_svc_run_behavior: offset 0 len 20
peripheral 0 <dbg> zmk: split_svc_run_behavior: sysreset with params 0 0: pressed? 1
peripheral 0 <dbg> zmk: zmk_split_transport_peripheral_command_handler:
peripheral 0 <dbg> zmk: zmk_split_transport_peripheral_command_handler: sysreset with params 0 0: pressed? 1