updates

firmware/eye_test/EyeScene.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <stdint.h>
+
+// Creates a moving and blinking eye on the Waveshare 480x480 display.
+void EyeScene_Create();
+
+// Normalized camera-image coordinates. A valid target switches to the red eye;
+// an invalid target returns to blue. Call from the LVGL loop task.
+void EyeScene_SetGaze(uint16_t x, uint16_t y, bool valid);