top_test.vhd

last time when i came here to find some clock references. but most of them can not works well. so th

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;

entity tb_counter_4bit is

end tb_counter_4bit;


architecture tb of tb_counter_4bit is

  component counter_4bit
    port (
      reset : in std_logic;
      clk : in std_logic;
      power        : in  std_logic;
      start        : in  std_logic;
      stop         : in  std_logic;
      setmin       : in  std_logic;
      sethour      : in  std_logic;
      cout_seg     : out std_logic_vector(6 downto 0);
      cout_seg_10s : out std_logic_vector(6 downto 0);
      cout_seg_1m  : out std_logic_vector(6 downto 0);
      cout_seg_10m : out std_logic_vector(6 downto 0);
      cout_seg_1h  : out std_logic_vector(6 downto 0);
      cout_seg_10h : out std_logic_vector(6 downto 0));

  end component;

  -- component seg_dec
  --   port (
  --     cin  : in  std_logic_vector(3 downto 0);
  --     cout : out std_logic_vector(6 downto 0));
--  end component;

  signal tb_reset          : std_logic                    := '1';
  signal clk             : std_logic                    := '0';
  signal tb_power        : std_logic;
  signal tb_start        : std_logic;
  signal tb_stop         : std_logic;
  signal tb_setmin       : std_logic;
  signal tb_sethour      : std_logic;
  signal tb_cout_seg_1s  : std_logic_vector(6 downto 0) := "0000000";
  signal tb_cout_seg_10s : std_logic_vector(6 downto 0) := "0000000";
  signal tb_cout_seg_1m  : std_logic_vector(6 downto 0) := "0000000";
  signal tb_cout_seg_10m : std_logic_vector(6 downto 0) := "0000000";
  signal tb_cout_seg_1h  : std_logic_vector(6 downto 0) := "0000000";
  signal tb_cout_seg_10h : std_logic_vector(6 downto 0) := "0000000";

  
begin

  u10 : counter_4bit port map (
    reset          => tb_reset,
    clk          => clk,
    power         =>tb_power,
    start        => tb_start,
    stop         => tb_stop,
    setmin       =>tb_setmin,
    sethour      =>tb_sethour,
    cout_seg     => tb_cout_seg_1s,
    cout_seg_10s => tb_cout_seg_10s,
    cout_seg_1m  => tb_cout_seg_1m,
    cout_seg_10m => tb_cout_seg_10m,
    cout_seg_1h  => tb_cout_seg_1h,
    cout_seg_10h => tb_cout_seg_10h);

  tb_reset <= '0' after 100 ns;
  tb_start <='1' after 200 ns;
  tb_stop <='0' after 200 ns;
   clk    <= not clk after 50 ns;
 end tb;