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G309 lightforce switches and dpi fix #254

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G309 lightforce switches and dpi fix #254

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NotLokry Oct 25, 2026
4a3fa7a
Merge branch 'main' of https://github.com/OpenMouse-Project/mouse-pro…
NotLokry Oct 25, 2026
92a05f3
Fixed the lightforce switch exception for G309 and seperated axis to …
NotLokry Oct 25, 2026
c547c26
Merge branch 'OpenMouse-Project:main' into main
NotLokry Oct 26, 2026
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17 changes: 9 additions & 8 deletions docs/logitech-testing.md
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Expand Up @@ -166,17 +166,18 @@ legacy `0x2201` DPI and `0x8060` report rate, profile format 2 (LOGAN).

## G309 LIGHTSPEED (receiver-attached, Model ID `B03C40B10000`)

The G309 exposes Extended Adjustable DPI `0x2202` and Mode Status `0x8090`, but
only the power-mode half of Mode Status is meaningful: the status1 byte that
would carry the gaming-surface and LightForce fields is reserved and reads 0.
The `0x2202` sensor likewise reports lift-off level 0, the feature's "no
lift-off control" value. OpenMouse treats both as absent, so those cards stay
hidden.
The G309 exposes Extended Adjustable DPI `0x2202` and Mode Status `0x8090`.
Its `0x2202` sensor reports lift-off level 0, the feature's "no lift-off
control" value, so the lift-off and gaming-surface controls stay hidden. The
G309 does have LightForce switches; its model ID is an exception to the usual
lift-off-control gate so its LightForce mode remains available.

Hardware-tested: changing the G309's DPI succeeds and takes effect.

1. Confirm the model, battery, connection type, DPI, and polling rate are read
correctly.
2. Confirm the sensor card (lift-off distance), the gaming-surface card, and
the LightForce switch are all hidden.
2. Confirm the sensor card and gaming-surface card are hidden, while the
LightForce switch mode is available.
3. Change the DPI and polling rate and confirm each write persists after a
reload.

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