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Emulate up to four controllers on the UART firmware

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UART protocol v3 adds a slot byte to input frames (v2 still accepted as
slot 0) and slot-tagged BB 03 rumble frames. The regular firmware exposes
SWITCH_PICO_UART_CONTROLLERS (default 4) Switch Pro interfaces like the
AIO build. The bridge shares one serial port across controllers, maps
index:port[:slot], and demuxes rumble by slot.
This commit is contained in:
Joey Yakimowich-Payne 2026-09-22 10:25:30 -06:00
commit b6a017eb06
14 changed files with 737 additions and 411 deletions
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5
examples/example_switch_macro.py
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@ -29,8 +29,9 @@ ALL_BUTTONS = [
def main() -> None:
# auto_send keeps the current state flowing in the background, so we don't
# need to manually pump frames to the Pico.
with SwitchUARTClient(PORT, send_interval=SEND_INTERVAL, auto_send=True) as client:
# need to manually pump frames to the Pico. slot picks which of the Pico's
# four emulated controllers (0-3) this script drives.
with SwitchUARTClient(PORT, send_interval=SEND_INTERVAL, auto_send=True, slot=0) as client:
client.neutral()
# Press every button/DPAD direction one-by-one, holding each briefly.