Subversion Repositories open_hitter

--////////////////////////////////////////////////////////////////////

--//                                                              ////

--// hitter_wrapper.vhd                                           ////

--//                                                              ////

--// This file is part of the open_hitter opencores effort.       ////

--// <http://www.opencores.org/cores/open_hitter/>                ////

--//                                                              ////

--// Module Description:                                          ////

--// Simulation program (non-synthesizable)                       ////

--// Drives auto regression tests via NSEW button actions and     ////

--// NSEW LED reporting                                           ////

--// target env: ghdl <attrib required>                           ////

--//                                                              ////

--// To Do:                                                       ////

--//    #LOTS                                                     ////

--//                                                              ////

--// Author(s):                                                   ////

--// - Stephen Hawes                                              ////

--//                                                              ////

--////////////////////////////////////////////////////////////////////

--//                                                              ////

--// Copyright (C) 2015 Stephen Hawes and OPENCORES.ORG           ////

--//                                                              ////

--// This source file may be used and distributed without         ////

--// restriction provided that this copyright statement is not    ////

--// removed from the file and that any derivative work contains  ////

--// the original copyright notice and the associated disclaimer. ////

--//                                                              ////

--// This source file is free software; you can redistribute it   ////

--// and/or modify it under the terms of the GNU Lesser General   ////

--// Public License as published by the Free Software Foundation; ////

--// either version 2.1 of the License, or (at your option) any   ////

--// later version.                                               ////

--//                                                              ////

--// This source is distributed in the hope that it will be       ////

--// useful, but WITHOUT ANY WARRANTY; without even the implied   ////

--// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////

--// PURPOSE. See the GNU Lesser General Public License for more  ////

--// details.                                                     ////

--//                                                              ////

--// You should have received a copy of the GNU Lesser General    ////

--// Public License along with this source; if not, download it   ////

--// from <http://www.opencores.org/lgpl.shtml>                   ////

--//                                                              ////

--////////////////////////////////////////////////////////////////////

--//

--// \$Id\$  TAKE OUT THE \'s and this comment in order to get this to work

--//

--// CVS Revision History

--//

--// \$Log\$  TAKE OUT THE \'s and this comment in order to get this to work

--//

library ieee;

use ieee.std_logic_1164.all;

use std.textio.all; --  Imports the standard textio package.

     entity hitter_wrapper is

     end hitter_wrapper;

     architecture behaviour of hitter_wrapper is

        component hitter_sim

           port( RX_CLK: in std_logic;

                 PUSH_BUTTONS_5BITS_TRI_I: in std_logic_vector(4 downto 0);

                 LEDS_POSITIONS_TRI_O: out std_logic_vector(4 downto 0)

           );

        end component;

        for hitter_sim_0: hitter_sim use entity work.hitter_sim;

        signal RX_CLK: std_logic;

        signal PUSH_BUTTONS_5BITS_TRI_I: std_logic_vector(4 downto 0);

        signal LEDS_POSITIONS_TRI_O: std_logic_vector(4 downto 0);

     begin

        hitter_sim_0: hitter_sim port map (

                         RX_CLK => RX_CLK,

                         PUSH_BUTTONS_5BITS_TRI_I => PUSH_BUTTONS_5BITS_TRI_I,

                         LEDS_POSITIONS_TRI_O => LEDS_POSITIONS_TRI_O );

        process

           variable l : line;

           variable counted : integer;

        begin

           write (l, String'("Exercising hitter_sim"));

           writeline (output, l);

           RX_CLK <= '0';

           wait for 1 ns;

           for counted in 0 to 30 loop

              -- Instruct:

              if (counted = 2) then

                 PUSH_BUTTONS_5BITS_TRI_I <= std_logic_vector'("11111");

              else

                 PUSH_BUTTONS_5BITS_TRI_I <= std_logic_vector'("00000");

              end if;

              RX_CLK <= '1';

              wait for 1 ns;

              -- Report:

              write (l, String'("Count:"));

              write(l, counted);

              write (l, String'(" LEDs: "));

              for i in LEDS_POSITIONS_TRI_O'range loop

                 case LEDS_POSITIONS_TRI_O(i) is

                    when '1' => write(l, character'('1'));

                    when others => write(l, character'('0'));

                 end case;

              end loop;

              writeline(output, l);

              -- Reset:

              RX_CLK <= '0';

              wait for 1 ns;

           end loop;

           write (l, String'("Done hitter_sim"));

           writeline (output, l);

           wait;

        end process;

     end behaviour;