61 lines
1.9 KiB
VHDL
61 lines
1.9 KiB
VHDL
-- Copyright (c) 2015 CERN
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-- Maciej Suminski <maciej.suminski@cern.ch>
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--
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-- This source code is free software; you can redistribute it
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-- and/or modify it in source code form under the terms of the GNU
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-- General Public License as published by the Free Software
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-- Foundation; either version 2 of the License, or (at your option)
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-- any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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-- Basic test for functions that work with unbounded vectors as return
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-- and param types.
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.numeric_std.all;
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use work.vhdl_unbounded_func_pkg.all;
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package included_pkg is
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function negator(word_i : std_logic_vector) return std_logic_vector;
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end included_pkg;
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package body included_pkg is
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function negator(word_i : std_logic_vector) return std_logic_vector is
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variable word_o : std_logic_vector (word_i'left downto word_i'right);
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begin
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for I in word_i'range loop
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word_o (I) := not word_i(I);
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end loop;
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return word_o;
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end function;
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end included_pkg;
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entity vhdl_unbounded_func is
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end vhdl_unbounded_func;
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architecture test of vhdl_unbounded_func is
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signal test_out1 : std_logic_vector(9 downto 0);
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signal test_out2 : std_logic_vector(5 downto 0);
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signal neg_test_out1 : std_logic_vector(9 downto 0);
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signal neg_test_out2 : std_logic_vector(5 downto 0);
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begin
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test_out1 <= f_manch_encoder(B"11101");
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test_out2 <= f_manch_encoder(B"001");
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neg_test_out1 <= negator(test_out1);
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neg_test_out2 <= negator(test_out2);
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end test;
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