l:vars periodically reading 0

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jfayre
Airman
Posts: 19
Joined: 04 Dec 2019, 08:21

l:vars periodically reading 0

Post by jfayre »

Hi all,
I'm developing an accessibility add-on for blind flight sim users.
As part of this project, I'm trying to see how far I can get with interfacing the a2a aircraft. I've got various hotkeys set up for announcing CHT, EGT, oil temp, oil pressure, etc.
I'm noticing that some of the l:vars will sometimes read zero when I query them. I'm using FSUIPC offsets to query the variables. Some variables I just read on demand when a user presses a hotkey, others such as the battery switch, I read whenever it changes.
Does anyone know why some of the variables such as the CHT will periodically return a zero response? This also seems to happen with things like the battery master variable.
The developer of FSUIPC says he has seen this, but it might be aircraft/panel specific.

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