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feat(bridge): add controller-side ABXY swap combo (LB+RB+SELECT+START)

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Holding all four buttons simultaneously toggles the ABXY layout for that controller with a 200ms rumble confirmation pulse.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
This commit is contained in:
Joey Yakimowich-Payne 2026-03-16 20:43:32 -06:00
commit 0f037b0a44
1 changed files with 24 additions and 1 deletions
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25
src/switch_pico_bridge/controller_uart_bridge.py
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@ -1385,10 +1385,31 @@ def handle_sensor_update(
)
ABXY_SWAP_COMBO = frozenset({
sdl3.SDL_GAMEPAD_BUTTON_LEFT_SHOULDER,
sdl3.SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER,
sdl3.SDL_GAMEPAD_BUTTON_BACK,
sdl3.SDL_GAMEPAD_BUTTON_START,
})
def _check_abxy_swap_combo(
ctx: ControllerContext,
config: BridgeConfig,
console: Console,
) -> None:
"""Toggle ABXY layout when LB+RB+SELECT+START are all held."""
if not all(ctx.button_state.get(b) for b in ABXY_SWAP_COMBO):
return
toggle_abxy_for_context(ctx, config, console)
sdl3.SDL_RumbleGamepad(ctx.controller, 0xAAAA, 0xAAAA, 200)
def handle_button_event(
event: sdl3.SDL_Event,
config: BridgeConfig,
contexts: Dict[int, ControllerContext],
console: Console,
) -> None:
"""Process button events into report/dpad state."""
ctx = contexts.get(event.gbutton.which)
@ -1411,6 +1432,8 @@ def handle_button_event(
elif button in DPAD_BUTTONS:
ctx.dpad[DPAD_BUTTONS[button]] = pressed
ctx.report.hat = str_to_dpad(ctx.dpad)
if pressed and button in ABXY_SWAP_COMBO:
_check_abxy_swap_combo(ctx, config, console)
def handle_device_added(
@ -1622,7 +1645,7 @@ def run_bridge_loop(
sdl3.SDL_EVENT_GAMEPAD_BUTTON_DOWN,
sdl3.SDL_EVENT_GAMEPAD_BUTTON_UP,
):
handle_button_event(event, config, contexts)
handle_button_event(event, config, contexts, console)
elif event.type == SDL_EVENT_GAMEPAD_SENSOR_UPDATE:
handle_sensor_update(event, contexts, config)
elif event.type == sdl3.SDL_EVENT_GAMEPAD_ADDED: