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Document Switch 2 USB power cycle

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Joey Yakimowich-Payne 2026-09-05 07:27:39 -06:00
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README.md
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@ -146,14 +146,20 @@ on the paired input controller with Home, PS, or Xbox and let it reconnect to
the Pico. Then hold L + R and press its system button to send one wake burst. the Pico. Then hold L + R and press its system button to send one wake burst.
Holding the chord does not retrigger it; release at least one chord button Holding the chord does not retrigger it; release at least one chord button
before another attempt. Plain Home, PS, or Xbox is forwarded normally and does before another attempt. Plain Home, PS, or Xbox is forwarded normally and does
not disturb the radio. Because the wake identity is stable from startup, the not disturb the radio. Because the wake identity is stable from startup,
input controller stays connected through the advertising burst. the wake code itself does not disconnect the input controller.
The Pico must remain powered for wireless wake. If the Switch or dock removes Hardware testing found that the Switch 2 can briefly remove USB power while
USB power during sleep, use a powered USB arrangement that preserves the entering or leaving sleep. A Pico powered only by that port necessarily
Pico-to-Switch data connection. The configured Pico continuously owns the reboots, resetting the CYW43439 and dropping every controller link regardless
captured Joy-Con's public Bluetooth address, so keep that Joy-Con inactive of the wake implementation. Continuous controller connectivity therefore
while the AIO firmware is running to avoid two radios using one address. requires a properly isolated powered USB hub or another power arrangement
that keeps the Pico powered without backfeeding the console. Do not use an
unisolated USB Y-cable.
The configured Pico continuously owns the captured Joy-Con's public Bluetooth
address, so keep that Joy-Con inactive while the AIO firmware is running to
avoid two radios using one address.
To target another Switch 2, repeat the capture and configuration steps. To To target another Switch 2, repeat the capture and configuration steps. To
disable wake, delete the generated `switch2_wake_config.h`, rebuild the AIO disable wake, delete the generated `switch2_wake_config.h`, rebuild the AIO