Fix tactile switch wiring: GPIO22 to GND, show live pin level.

Clarify 4-pin foot pairing and debounce for bare pushbutton. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-10-23 12:46:31 +08:00
parent 2d1d49c038
commit 280c5ea97c
8 changed files with 94 additions and 60 deletions
--- a/include/pins.h
+++ b/include/pins.h
@@ -10,7 +10,7 @@
 #define CYD_TOUCH_CLK  25
 #define CYD_TOUCH_CS   33

-// 按钮传感器 SIG → GPIO22（内部上拉，按下为 LOW）
+// 轻触开关：一脚 → GPIO22，另一脚 → GND（内部上拉，按下为 LOW）
 #define BTN_PIN 22

 #define SCREEN_WIDTH  240