vid_get_viewport_fullscreen_height   64 core/live_view.c     lv.vp.margin_bot = vid_get_viewport_fullscreen_height() - lv.vp.visible_height - lv.vp.margin_top;
vid_get_viewport_fullscreen_height   42 include/viewport.h extern int vid_get_viewport_fullscreen_height();           // Height of screen in buffer pixels