component niosII is
		port (
			clk_clk           : in  std_logic := 'X'; -- clk
			reset_reset_n     : in  std_logic := 'X'; -- reset_n
			sem_export_train  : in  std_logic := 'X'; -- train
			sem_export_red    : out std_logic;        -- red
			sem_export_yellow : out std_logic;        -- yellow
			sem_export_green  : out std_logic         -- green
		);
	end component niosII;