Function lv_tileview_add_tile 

pub unsafe extern "C" fn lv_tileview_add_tile(
    tv: *mut lv_obj_t,
    col_id: u8,
    row_id: u8,
    dir: lv_dir_t,
) -> *mut lv_obj_t

Add a tile to the tileview @param tv pointer to the tileview object @param col_id column id of the tile @param row_id row id of the tile @param dir direction to move to the next tile @return pointer to the added tile object