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Fix 3.5" black screen: drive backlight on GPIO27, not GPIO21.

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GPIO21 is GT911 INT on 3248S035C; PWM on the wrong pin left the panel dark.

Co-authored-by: Cursor <cursoragent@cursor.com>
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DESKTOP-PUHFO60\dsx2016
2026-10-25 10:34:00 +08:00
parent 0a1b612cc9
commit 83b1bdc5f7
7 changed files with 13 additions and 15 deletions
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@@ -139,3 +139,4 @@ git reset --hard v1.1-case-snaps
| 2026-10-17 | 顶栏改单行，避免 up 文案被表盘面板盖住 |
| 2026-10-17 | 归档预编译固件到 `firmware/cyd_28r/`，附一键刷写脚本 |
| 2026-10-25 | 3.5" 表盘读数：数值+单位整体居中，数值变宽后不再盖住单位 |
| 2026-10-25 | 修复 3.5" 黑屏：背光改回 GPIO27（GPIO21 为 GT911 INT） |