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-- hitter_wrapper.vhd
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--////////////////////////////////////////////////////////////////////
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-- Synthesizable wrapper, exercise wrapper with NSEW buttons and LEDs to report on fpga dev board
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--// ////
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-- target env: Xilinx Virtex 6 / ML605
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--// hitter_wrapper.vhd ////
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--
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--// ////
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-- <LGPL Required>
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--// This file is part of the open_hitter opencores effort. ////
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-- <History from svn, link required>
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--// <http://www.opencores.org/cores/open_hitter/> ////
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--// ////
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--// Module Description: ////
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--// Simulation program (non-synthesizable) ////
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--// Drives auto regression tests via NSEW button actions and ////
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--// NSEW LED reporting ////
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--// target env: ghdl <attrib required> ////
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--// ////
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--// To Do: ////
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--// #LOTS ////
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--// ////
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--// Author(s): ////
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--// - Stephen Hawes ////
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--// ////
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--////////////////////////////////////////////////////////////////////
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--// ////
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--// Copyright (C) 2015 Stephen Hawes and OPENCORES.ORG ////
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--// ////
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--// This source file may be used and distributed without ////
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--// restriction provided that this copyright statement is not ////
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--// removed from the file and that any derivative work contains ////
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--// the original copyright notice and the associated disclaimer. ////
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--// ////
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--// This source file is free software; you can redistribute it ////
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--// and/or modify it under the terms of the GNU Lesser General ////
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--// Public License as published by the Free Software Foundation; ////
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--// either version 2.1 of the License, or (at your option) any ////
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--// later version. ////
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--// ////
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--// This source is distributed in the hope that it will be ////
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--// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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--// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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--// PURPOSE. See the GNU Lesser General Public License for more ////
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--// details. ////
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--// ////
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--// You should have received a copy of the GNU Lesser General ////
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--// Public License along with this source; if not, download it ////
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--// from <http://www.opencores.org/lgpl.shtml> ////
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--// ////
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--////////////////////////////////////////////////////////////////////
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--//
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--// \$Id\$ TAKE OUT THE \'s and this comment in order to get this to work
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--//
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--// CVS Revision History
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--//
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--// \$Log\$ TAKE OUT THE \'s and this comment in order to get this to work
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--//
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library ieee;
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.std_logic_1164.all;
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--use ieee.std_logic_arith.all;
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use std.textio.all; -- Imports the standard textio package.
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--library unisim;
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--use unisim.vcomponents.all;
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entity hitter_wrapper is
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entity hitter_wrapper is
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port (
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end hitter_wrapper;
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architecture behaviour of hitter_wrapper is
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component hitter_sim
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port( RX_CLK: in std_logic;
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PUSH_BUTTONS_5BITS_TRI_I: in std_logic_vector(4 downto 0);
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PUSH_BUTTONS_5BITS_TRI_I: in std_logic_vector(4 downto 0);
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LEDS_POSITIONS_TRI_O: out std_logic_vector(4 downto 0)
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LEDS_POSITIONS_TRI_O: out std_logic_vector(4 downto 0)
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);
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);
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end hitter_wrapper;
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end component;
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for hitter_sim_0: hitter_sim use entity work.hitter_sim;
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architecture implementation of hitter_wrapper is
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signal RX_CLK: std_logic;
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signal PUSH_BUTTONS_5BITS_TRI_I: std_logic_vector(4 downto 0);
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signal LEDS_POSITIONS_TRI_O: std_logic_vector(4 downto 0);
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begin
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begin
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LEDS_POSITIONS_TRI_O(0) <= PUSH_BUTTONS_5BITS_TRI_I(1);
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hitter_sim_0: hitter_sim port map (
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LEDS_POSITIONS_TRI_O(1) <= PUSH_BUTTONS_5BITS_TRI_I(2);
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RX_CLK => RX_CLK,
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LEDS_POSITIONS_TRI_O(2) <= PUSH_BUTTONS_5BITS_TRI_I(3);
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PUSH_BUTTONS_5BITS_TRI_I => PUSH_BUTTONS_5BITS_TRI_I,
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LEDS_POSITIONS_TRI_O(3) <= PUSH_BUTTONS_5BITS_TRI_I(4);
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LEDS_POSITIONS_TRI_O => LEDS_POSITIONS_TRI_O );
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LEDS_POSITIONS_TRI_O(4) <= PUSH_BUTTONS_5BITS_TRI_I(0);
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process
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variable l : line;
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variable counted : integer;
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begin
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write (l, String'("Exercising hitter_sim"));
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writeline (output, l);
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RX_CLK <= '0';
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wait for 1 ns;
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end implementation;
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for counted in 0 to 30 loop
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-- Instruct:
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if (counted = 2) then
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PUSH_BUTTONS_5BITS_TRI_I <= std_logic_vector'("11111");
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else
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PUSH_BUTTONS_5BITS_TRI_I <= std_logic_vector'("00000");
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end if;
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RX_CLK <= '1';
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wait for 1 ns;
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-- Report:
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write (l, String'("Count:"));
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write(l, counted);
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write (l, String'(" LEDs: "));
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for i in LEDS_POSITIONS_TRI_O'range loop
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case LEDS_POSITIONS_TRI_O(i) is
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when '1' => write(l, character'('1'));
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when others => write(l, character'('0'));
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end case;
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end loop;
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writeline(output, l);
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-- Reset:
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RX_CLK <= '0';
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wait for 1 ns;
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end loop;
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write (l, String'("Done hitter_sim"));
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writeline (output, l);
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wait;
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end process;
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end behaviour;
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