毕业设计77北京邮电大学字系统与逻辑综合实验交通灯控制器(6)

七 交通灯控制起源程序--------------------------------顶层文件-------------------------------library ieee; use ieee.std_logic_1164.all; entity jiaotongdeng is port(clk:in std_logic; ----------时钟信号 change,reset:in std_logic; ----------复位和紧急情况信号 seg:out std_logic_vector(6 downto 0); ---------7 段数码管显示 sel:out std_logic_vector(5 downto 0); ---------选通输出 lights:out std_logic_vector(7 downto 0);-------led 发光管输出 clkout:out std_logic ); end jiaotongdeng; architecture a of jiaotongdeng is -------分别调用各个模块 signal cp1k,cp100,cp1:std_logic; signal number:integer range 0 to 9; component fenpin -------分频模块 1k 100hz 1hz port(clk:in std_logic; clk1k,clk100,clk1:out std_logic); end component; component traffic -------交通灯控制模块 紧急情况 状态清零 port(clk1,clk1k:in std_logic; change,reset:in std_logic; num:out integer range 0 to 9; lights:out std_logic_vector(7 downto 0); sel:out std_logic_vector(5 downto 0)); end component; component display --------led 发光管 8 段数码管显示 port(num:in integer range 0 to 9; seg:out std_logic_vector(6 downto 0)); end component; begin -------------三个不同模块 u1:fenpin port map(clk,cp1k,cp100,cp1); u2:traffic port map(cp1,cp1k,change,reset,number,lights,sel); u3:display port map(number,seg); end; 左右转