Hal refactored (#99)

Tactility/Source/lvgl/Lvgl.cpp

@@ -0,0 +1,14 @@
+#include "lvgl/Lvgl.h"
+#include "Check.h"
+
+namespace tt::lvgl {
+
+hal::Display* getDisplay() {
+    auto* lvgl_display = lv_display_get_default();
+    tt_assert(lvgl_display != nullptr);
+    auto* hal_display = (tt::hal::Display*)lv_display_get_user_data(lvgl_display);
+    tt_assert(hal_display != nullptr);
+    return hal_display;
+}
+
+}