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+
+-- Copyright (C) 2000-2002 The University of Cincinnati.
+-- All rights reserved.
+
+-- This file is part of VESTs (Vhdl tESTs).
+
+-- UC MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
+-- SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+-- IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
+-- OR NON-INFRINGEMENT. UC SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+-- LICENSEE AS A RESULT OF USING, RESULT OF USING, MODIFYING OR
+-- DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
+
+-- By using or copying this Software, Licensee agrees to abide by the
+-- intellectual property laws, and all other applicable laws of the U.S.,
+-- and the terms of this license.
+
+-- You may modify, distribute, and use the software contained in this
+-- package under the terms of the "GNU GENERAL PUBLIC LICENSE" version 2,
+-- June 1991. A copy of this license agreement can be found in the file
+-- "COPYING", distributed with this archive.
+
+-- 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
+
+-- ---------------------------------------------------------------------
+--
+-- $Id: test157.ams,v 1.1 2002-03-27 22:11:19 paw Exp $
+-- $Revision: 1.1 $
+--
+-- ---------------------------------------------------------------------
+
+-- check the implemetatio of ports and generics.
+
+library IEEE;
+use IEEE.STD_LOGIC_1164.all;
+
+--entity inv is
+-- port (
+-- x : in bit;
+-- xout : out bit);
+--end inv;
+
+--architecture inverter of inv is
+--begin
+
+-- xout <= not x after 100ns ;
+
+--end inverter ;
+
+PACKAGE electricalSystem IS
+ NATURE electrical IS real ACROSS real THROUGH GROUND reference;
+ FUNCTION SIN (X : real ) RETURN real;
+ FUNCTION EXP (X : real ) RETURN real;
+END PACKAGE electricalSystem;
+
+use work.electricalSystem.all;
+
+entity resistor is
+ generic ( res : real := 10.0 ) ;
+ port (terminal P, N : electrical );
+end resistor;
+
+architecture behav of resistor is
+ quantity VPTON across IPTON through P to N;
+begin
+ res1 : VPTON == IPTON * res ;
+end behav;
+
+use work.electricalSystem.all;
+
+ENTITY circuit1 IS
+END circuit1;
+
+ARCHITECTURE behavior OF circuit1 IS
+-- component inv is
+-- port (
+-- x : in bit;
+-- xout : out bit);
+-- end component ;
+-- for all : inv use entity work.inv(inverter) ;
+
+ component resistor is
+ generic ( res : real := 10.0 ) ;
+ port (terminal P, N : electrical );
+ end component;
+ for all : resistor use entity work.resistor(behav);
+
+ terminal n1,n2 : electrical;
+ QUANTITY vIn ACROSS iIn THROUGH n1 ;
+
+-- signal y:bit:='0';
+
+BEGIN
+
+-- D2 : inv port map(x=>y, xout=>y);
+
+-- testbench:PROCESS
+-- BEGIN
+-- WAIT ON y;
+-- END PROCESS;
+
+ R1 : resistor generic map ( res => 500.0) port map (P => n1, N => n2);
+ R2 : resistor port map (P => n2, N => ground);
+ vsource: vIn == 5.0 * sin(2.0 * 3.14 * 100000.0 * real(time'pos(now)) * 1.0e-15);
+
+END ARCHITECTURE behavior;