Align touch and draw in one 320x240 space like CYD LVGL9.

Drop LVGL ROTATION_270 double-transform; SoftSPI rot3 maps directly to screen pixels.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/main.cpp

@@ -45,10 +45,10 @@ void setup() {
 
   lv_init();
 
+  // 官方 CYD LVGL9：直接 320x240，不用 LV_DISPLAY_ROTATION_*（避免触控二次变换错位）
+  // https://github.com/witnessmenow/ESP32-Cheap-Yellow-Display/tree/main/Examples/LVGL9
   lv_display_t *disp =
       lv_tft_espi_create(SCREEN_WIDTH, SCREEN_HEIGHT, draw_buf, sizeof(draw_buf));
-  // 与 temperature 相同：TFT rot3 + LVGL 270；触点先算 UI 坐标再反变换喂给 LVGL
-  lv_display_set_rotation(disp, LV_DISPLAY_ROTATION_270);
 
   lv_indev_t *indev = lv_indev_create();
   lv_indev_set_type(indev, LV_INDEV_TYPE_POINTER);