--write by Diao Lan Song
--1998/9/24

LIBRARY IEEE;
Use IEEE.Std_Logic_1164.ALL;
    
ENTITY conditioner_stim IS  END  conditioner_stim ; 

ARCHITECTURE  stimulation OF conditioner_stim IS 

COMPONENT conditioner
port(clk : IN Std_ULogic;
              temp_high :IN Std_ULogic;
              temp_low : IN Std_ULogic;
              heat  : OUT Std_ULogic;
              cool : OUT Std_ULogic);
END COMPONENT;

    SIGNAL  clk   :  Std_ULogic;                         
    SIGNAL  temp_high  :  Std_ULogic;           
    SIGNAL  temp_low    :  Std_ULogic;
    SIGNAL  heat   :  Std_ULogic; 
    SIGNAL  cool   :  Std_ULogic;                        
BEGIN
  comp1 : conditioner  PORT MAP (clk,temp_high,temp_low,heat,cool);

  conditioner_stim: PROCESS

  BEGIN

    temp_high   <= '1';
    temp_low   <= '0';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '1';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '0';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '1';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '0';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '1';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '0';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '1';
    WAIT UNTIL clk = '1';

    temp_high   <= '1';
    temp_low   <= '0';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '0';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '0';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '1';
    WAIT UNTIL clk = '1';

    temp_high   <= '0';
    temp_low   <= '1';
    WAIT UNTIL clk = '1';

    ASSERT false REPORT "End of Simulation" SEVERITY error;
 
  END PROCESS;


  conditioner_clk: PROCESS

  BEGIN
    clk   <= '1';

    WHILE TRUE LOOP
        clk <= '0';
        WAIT FOR 50 ns;
        clk <= '1';                
        WAIT FOR 50 ns;
    END LOOP;
  END PROCESS;

END stimulation;   
         

configuration conditioner_stim_conf of  conditioner_stim is  
  for stimulation
    for comp1 : conditioner use entity work.air_conditioner(style_b);
    end for;  
  end for;  
end conditioner_stim_conf;