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Stop the flickering vertical stripes on the CYD panel (0.2.49)

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The cheap ILI9341 panel showed a fine vertical line pattern that shimmered
when you moved your eyes or the board. Frame inversion (0xB4 0x07) at the
panel's highest frame rate (0xB1 0x00 0x10) removes it; VCOM stays default.
Firmware 0.2.42 for both boards, version only on the Guition.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Max Gramser
2026-09-15 18:29:01 +02:00
parent dffd6a90c6
commit 3f124d3bbe
8 changed files with 48 additions and 6 deletions
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guition-4848s040.yaml
+1 -1
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@@ -1,7 +1,7 @@
# Guition ESP32-S3-4848S040 / 4-inch EU wallbox, 480x480 IPS + GT911.
# Use guition-device.yaml; see docs/GUITION.md. CYD hardware is a separate profile.
substitutions:
SCREEN_FIRMWARE_VERSION: "0.2.41"
SCREEN_FIRMWARE_VERSION: "0.2.42"
# 0: no drift limit; LVGL decides, releasing inside the tile is a tap, leaving it is not
# (like iOS). The CYD keeps a limit because its resistive panel jumps.
TOUCH_MOVE_LIMIT_PX: "0"