Image: github.com · The problem chsc6x cannot register a touch on a CHSC6540 (VIEWE UEDX32480035E-WB-A, 320×480, ESP32-S3, I²C 0x2E). Spec Sheet: https://github.com/VIEWESMART/UEDX24320028ESP32-3.5inch-320_480-Display...
A touchscreen’s missing touches traced to wrong byte offsets
An ESPHome user used Claude Code and captured device data to diagnose and patch CHSC6540 touchscreen coordinate decoding.
Credits
- Source byline GermanDZ Source ↗
- Repository account VIEWESMART Source ↗
Earliest dated source:
The full story
An ESPHome user used Claude Code and captured device data to diagnose and patch CHSC6540 touchscreen coordinate decoding.
The report identifies incorrect report offsets and truncated coordinate values on a specific ESP32-S3 display board. It describes a patched component, with the scope limited to the author’s device and captured reports.
How it was done
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Sources
From the maker's own write-up or code. We summarise what they report; we haven't tested it ourselves.
- ESPHome Project: chsc6x reads the touch report at the wrong offsets and truncates coordinates to 8 bitsSource byline: GermanDZPublished
The contributor’s issue report, including observations, proposed changes and test notes.
- The code: github.comRepository account: VIEWESMART
Linked in the post.