blob: eff53a3e37388d00ac01e07929c6bff9c1dcbf87 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc
-- This file is part of VESTs (Vhdl tESTs).
-- VESTs is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; either version 2 of the License, or (at
-- your option) any later version.
-- VESTs 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 General Public License
-- for more details.
-- You should have received a copy of the GNU General Public License
-- along with VESTs; if not, write to the Free Software Foundation,
-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
library ieee_proposed;
use ieee_proposed.mechanical_systems.all;
use ieee_proposed.electrical_systems.all;
entity test_bench is
end entity test_bench;
architecture example of test_bench is
signal clk, reset: bit;
signal rpm : natural;
signal forward : bit;
begin
dut : entity work.propulsion(mixed)
port map ( clk, reset, rpm, forward );
stimulus: process is
begin
clk <= '1'; reset <= '0'; rpm <= 0; forward <= '1'; wait for 10 sec;
clk <= '0'; wait for 10 sec;
clk <= '1'; rpm <= 50; wait for 20 sec;
clk <= '0'; wait for 20 sec;
clk <= '1'; rpm <= 0; wait for 20 sec;
clk <= '0'; wait for 20 sec;
clk <= '1'; rpm <= 50; forward <= '0'; wait for 20 sec;
clk <= '0'; wait for 20 sec;
-- ...
wait;
end process stimulus;
end architecture example;
|