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@Kuuuube Kuuuube commented Sep 6, 2024

So... it was not a good idea to use subtraction here. In newer versions of the xp pen firmware they removed the troublesome bit that was being subtracted (00 40) and that makes this parser overflow the pressure value.

@Kuuuube Kuuuube added the bug Something isn't working label Sep 6, 2024
@jamesbt365
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Is it possible that this change breaks the older firmware?

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Kuuuube commented Sep 6, 2024

No, the only reason the subtraction was there is to remove 00 40. #3228 (comment)

@Kuuuube Kuuuube merged commit 4a3f260 into OpenTabletDriver:master Sep 6, 2024
@gonX gonX added the backport-added A backport is already merged label Oct 2, 2025
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3 participants