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.

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This commit is contained in:

Joey Yakimowich-Payne 2026-09-22 10:25:30 -06:00

parent 883eba193c

commit b6a017eb06

14 changed files with 737 additions and 411 deletions

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firmware/switch-pico.elf

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firmware/switch-pico.uf2

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