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docs: document parameter for thumb wheel rule tests

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Peter F. Patel-Schneider 2022-12-11 12:20:34 -05:00
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docs/rules.md
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@ -158,6 +158,12 @@ A `thumb_wheel_down` test is the rotation amount of a `THUMB WHEEL` downward rot
same but for `LOWRES WHEEL` and `HIRES WHEEL`.
`True` and `False` tests return True and False, respectively.
Solaar keeps track of the total signed displacement of the current thumb wheel movement.
This displacement is reset when the thumb wheel is inactive.
`thumb_wheel_up` and `thumb_wheel_down` tests take an optional integer parameter.
With a parameter the test is only true if the current thumb wheel displacement is greater than the parameter.
The displacement is then lessened by the amount of the parameter.
`Setting` conditions check device settings of devices, provided the device is on-line.
The first arguments to the condition are the Serial number or Unit ID of a device, as shown in Solaar's detail pane,
or null for the device that initiated rule processing; and