顶层文件.txt

设计制作一个用于十字路口的交通灯控制器 有一组绿、黄、红灯用于指挥交通

library ieee;
use ieee.std_logic_1164.all;
entity final is
port(clk:in std_logic;
     change:in std_logic;
     seg:out std_logic_vector(6 downto 0);
     sel:out std_logic_vector(3 downto 0);
     light1:out std_logic_vector(2 downto 0);
     light2:out std_logic_vector(2 downto 0));
end final;
architecture a of final is  
signal cp1k,cp100,cp1:std_logic;
signal re1,ch1:std_logic;
signal number:integer range 0 to 9;
component fenpin
   port(clk:in std_logic;
        clk1k,clk100,clk1:out std_logic);
end component;
component fangdou
 port(clk100:in std_logic;
       keyin:in std_logic;
      keyout:out std_logic);
end component;
component traffic
 port(clk1,clk1k:in std_logic;
      change:in std_logic;
      light1:out std_logic_vector(2 downto 0);
      light2:out std_logic_vector(2 downto 0);
      sel:out std_logic_vector(3 downto 0);
	  seg:out std_logic_vector(6 downto 0));
end component;
begin    
u1:fenpin port map(clk,cp1k,cp100,cp1);
u2:fangdou port map(cp100,change,ch1);
u3:traffic port map(cp1,cp1k,ch1,light1,light2,sel,seg);
end;