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Diffstat (limited to 'testsuite/vests/vhdl-ams/ad-hoc/fromUC/array_tests/test107.ams')
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diff --git a/testsuite/vests/vhdl-ams/ad-hoc/fromUC/array_tests/test107.ams b/testsuite/vests/vhdl-ams/ad-hoc/fromUC/array_tests/test107.ams new file mode 100644 index 0000000..1c9b85e --- /dev/null +++ b/testsuite/vests/vhdl-ams/ad-hoc/fromUC/array_tests/test107.ams @@ -0,0 +1,152 @@ + +-- Copyright (C) 2001-2002 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: test107.ams,v 1.1 2002-03-27 22:11:16 paw Exp $ +-- $Revision: 1.1 $ +-- +-- --------------------------------------------------------------------- + +---------------------------------------------------------------------- +-- SIERRA REGRESSION TESTING MODEL +-- Develooped at: +-- Distriburted Processing Laboratory +-- University of cincinnati +-- Cincinnati +---------------------------------------------------------------------- +-- File : test107.ams +-- Author(s) : Geeta Balarkishnan(gbalakri@ececs.uc.edu) +-- Created : May 2001 +---------------------------------------------------------------------- +-- Description : +---------------------------------------------------------------------- +-- the test checks for the correct impelmentation of the port terminal +-- decl. signal decl. of type real, type array decl. +-- the test performs a 4 bit digital to analog conversion. +---------------------------------------------------------------------- + +PACKAGE electricalsystem IS + NATURE electrical IS real ACROSS real THROUGH GROUND REFERENCE; +END electricalsystem; + +USE work.electricalsystem.all; +ENTITY dac is + port(inputvector : in bit_vector(3 downto 0); --inputvector is an array of 16 bits + terminal T1, T2: electrical); --terminal declarations +END dac; + +ARCHITECTURE behavior OF dac IS + + type temp_array is array(0 to 3) of integer; -- temp to store the array values + quantity vout across T1 to T2; --output of the dac + + signal vout_sig, vcopy : real; +BEGIN + + dac_process: PROCESS(inputvector) + variable a : temp_array := (0,0,0,0); + variable tmp : real; + + BEGIN + for index in 3 downto 0 loop + if inputvector(index) = '0' then + a(index) := 0; --bit to integer conversion done here + else a(index) := 1; + end if; + end loop; + + tmp := real(a(3)*8) + real(a(2)*4) + real(a(1)*2 + a(0)); --find the corresponding value of the binary + vout_sig <= tmp; + + END PROCESS dac_process; + + -- digital to analog conversion is done here + vout == vcopy; + + convert: process(vout_sig) + begin + vcopy <= TRANSPORT vout_sig; + end process; + +END behavior; +use work.electricalsystem.all; +ENTITY tb_dac is +end tb_dac; + +architecture stimuli of tb_dac is + signal myinputvector : bit_vector(3 downto 0); + terminal tout : electrical; + component dac port( inputvector : in bit_vector(3 downto 0); + terminal T1, T2: electrical); + end component; + for all: dac use entity work.dac(behavior); + +BEGIN + + unit:dac port map (myinputvector, tout, electrical'reference); + + stimuli_process: process + BEGIN + + myinputvector <= "0000"; + wait for 10 ns; + + myinputvector <= "0001"; + wait for 10 ns; + + myinputvector <= "0010"; + wait for 10 ns; + + myinputvector <= "0100"; + wait for 10 ns; + + myinputvector <= "1000"; + wait for 10 ns; + + myinputvector <= "1100"; + wait for 10 ns; + + myinputvector <= "1110"; + wait for 10 ns; + + myinputvector <= "1101"; + wait for 10 ns; + + myinputvector <= "1111"; + wait for 10 ns; + myinputvector <= "0000"; + wait for 10 ns; + + myinputvector <= "1100"; + wait for 10 ns; + + myinputvector <= "1010"; + wait for 10 ns; + + wait; + end process; +end stimuli; |