bigtreetech / bigtreetech/CB1

TFT35 SPI V2.1 has inversed scroll direction

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Description

As the title suggests, the TFT35 SPI V2.1 has inversed scroll direction.

You move your finger down a scroll bar on Klipperscreen Settings for example and the screen will move in the wrong direction.

Tested with CB1_Debian11_bullseye_Klipper_kernel5.16_20221110.img.xz image aka release 2.2.1

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Research direction

Reproduce the reversed scrolling on the TFT35 SPI V2.1 using the CB1_Debian11_bullseye_Klipper_kernel5.16_20221110.img.xz release 2.2.1 image, particularly in KlipperScreen Settings. Trace the touchscreen input configuration or handling, and consider the issue complete when downward finger movement scrolls downward consistently.

Written by the indexing model from the issue text.

Assessment

Tech stack
debian, linux
Domain
embedded-iot, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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