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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
Download Patch File Download Diff File Expand all files Collapse all files

14
app/src/pointing/input_split.c
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@@ -44,7 +44,7 @@ int zmk_input_split_report_peripheral_event(uint8_t reg, uint8_t type, uint16_t
#else
#include <zmk/split/bluetooth/service.h>
#include <zmk/split/peripheral.h>
#define ZIS_INST(n) \
static const struct zmk_input_processor_entry processors_##n[] = \
@@ -59,8 +59,16 @@ int zmk_input_split_report_peripheral_event(uint8_t reg, uint8_t type, uint16_t
zmk_input_processor_handle_event(processors_##n[i].dev, evt, processors_##n[i].param1, \
processors_##n[i].param2, NULL); \
} \
zmk_split_bt_report_input(DT_INST_REG_ADDR(n), evt->type, evt->code, evt->value, \
evt->sync); \
struct zmk_split_transport_peripheral_event ev = { \
.type = ZMK_SPLIT_TRANSPORT_PERIPHERAL_EVENT_TYPE_INPUT_EVENT, \
.data = {.input_event = { \
.reg = DT_INST_REG_ADDR(n), \
.type = evt->type, \
.code = evt->code, \
.value = evt->value, \
.sync = evt->sync, \
}}}; \
zmk_split_peripheral_report_event(&ev); \
} \
INPUT_CALLBACK_DEFINE(DEVICE_DT_GET(DT_INST_PHANDLE(n, device)), split_input_handler_##n);