delay_tbw3.ant

本程序以ISE为开发平台

--------------------------------------------------------------------------------
-- Copyright (c) 1995-2003 Xilinx, Inc.
-- All Right Reserved.
--------------------------------------------------------------------------------
--   ____  ____ 
--  /   /\/   / 
-- /___/  \  /    Vendor: Xilinx 
-- \   \   \/     Version : 8.2i
--  \   \         Application : ISE
--  /   /         Filename : DELAY_tbw3.ant
-- /___/   /\     Timestamp : Sat May 12 08:48:36 2007
-- \   \  /  \ 
--  \___\/\___\ 
--
--Command: 
--Design Name: DELAY_tbw3
--Device: Xilinx
--

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
USE IEEE.STD_LOGIC_TEXTIO.ALL;
USE STD.TEXTIO.ALL;

ENTITY DELAY_tbw3 IS
END DELAY_tbw3;

ARCHITECTURE testbench_arch OF DELAY_tbw3 IS
    FILE RESULTS: TEXT OPEN WRITE_MODE IS "D:\MY_DESIGN\ISE\LXJ\DELAY1\DELAY_tbw3.ano";

    COMPONENT DELAY_VHD
        PORT (
            TRIG : In std_logic;
            CLK : In std_logic;
            DATA8 : In std_logic_vector (7 DownTo 0);
            LATCH : In std_logic;
            OUTPUT : Out std_logic;
            output1 : Out std_logic
        );
    END COMPONENT;

    SIGNAL TRIG : std_logic := '0';
    SIGNAL CLK : std_logic := '0';
    SIGNAL DATA8 : std_logic_vector (7 DownTo 0) := "00000000";
    SIGNAL LATCH : std_logic := '0';
    SIGNAL OUTPUT : std_logic := 'U';
    SIGNAL output1 : std_logic := 'U';

    SHARED VARIABLE TX_ERROR : INTEGER := 0;
    SHARED VARIABLE TX_OUT : LINE;

    constant PERIOD : time := 40 ns;
    constant DUTY_CYCLE : real := 0.5;
    constant OFFSET : time := 0 ns;

    BEGIN
        UUT : DELAY_VHD
        PORT MAP (
            TRIG => TRIG,
            CLK => CLK,
            DATA8 => DATA8,
            LATCH => LATCH,
            OUTPUT => OUTPUT,
            output1 => output1
        );

        PROCESS    -- clock process for CLK
        BEGIN
            WAIT for OFFSET;
            CLOCK_LOOP : LOOP
                CLK <= '0';
                WAIT FOR (PERIOD - (PERIOD * DUTY_CYCLE));
                CLK <= '1';
                WAIT FOR (PERIOD * DUTY_CYCLE);
            END LOOP CLOCK_LOOP;
        END PROCESS;

        PROCESS    -- Annotation process for CLK
            VARIABLE TX_TIME : INTEGER := 0;

            PROCEDURE ANNOTATE_OUTPUT(
                TX_TIME : INTEGER
            ) IS
                VARIABLE TX_STR : String(1 to 4096);
                VARIABLE TX_LOC : LINE;
            BEGIN
                STD.TEXTIO.write(TX_LOC, string'("Annotate["));
                STD.TEXTIO.write(TX_LOC, TX_TIME);
                STD.TEXTIO.write(TX_LOC, string'(", OUTPUT, "));
                IEEE.STD_LOGIC_TEXTIO.write(TX_LOC, OUTPUT);
                STD.TEXTIO.write(TX_LOC, string'("]"));
                TX_STR(TX_LOC.all'range) := TX_LOC.all;
                STD.TEXTIO.writeline(RESULTS, TX_LOC);
                STD.TEXTIO.Deallocate(TX_LOC);
            END;
            PROCEDURE ANNOTATE_output1(
                TX_TIME : INTEGER
            ) IS
                VARIABLE TX_STR : String(1 to 4096);
                VARIABLE TX_LOC : LINE;
            BEGIN
                STD.TEXTIO.write(TX_LOC, string'("Annotate["));
                STD.TEXTIO.write(TX_LOC, TX_TIME);
                STD.TEXTIO.write(TX_LOC, string'(", output1, "));
                IEEE.STD_LOGIC_TEXTIO.write(TX_LOC, output1);
                STD.TEXTIO.write(TX_LOC, string'("]"));
                TX_STR(TX_LOC.all'range) := TX_LOC.all;
                STD.TEXTIO.writeline(RESULTS, TX_LOC);
                STD.TEXTIO.Deallocate(TX_LOC);
            END;
        BEGIN
            WAIT for 1 fs;
            ANNOTATE_OUTPUT(0);
            ANNOTATE_output1(0);
            WAIT for OFFSET;
            TX_TIME := TX_TIME + 0;
            ANNO_LOOP : LOOP
                --Rising Edge
                WAIT for 25 ns;
                TX_TIME := TX_TIME + 25;
                ANNOTATE_OUTPUT(TX_TIME);
                ANNOTATE_output1(TX_TIME);
                WAIT for 15 ns;
                TX_TIME := TX_TIME + 15;
            END LOOP ANNO_LOOP;
        END PROCESS;

        PROCESS
            BEGIN
                -- -------------  Current Time:  55ns
                WAIT FOR 55 ns;
                TRIG <= '1';
                LATCH <= '1';
                DATA8 <= "00000011";
                -- -------------------------------------
                -- -------------  Current Time:  95ns
                WAIT FOR 40 ns;
                LATCH <= '0';
                DATA8 <= "00000000";
                -- -------------------------------------
                -- -------------  Current Time:  135ns
                WAIT FOR 40 ns;
                TRIG <= '0';
                -- -------------------------------------
                -- -------------  Current Time:  535ns
                WAIT FOR 400 ns;
                TRIG <= '1';
                LATCH <= '1';
                DATA8 <= "00000011";
                -- -------------------------------------
                -- -------------  Current Time:  575ns
                WAIT FOR 40 ns;
                LATCH <= '0';
                DATA8 <= "00000000";
                -- -------------------------------------
                -- -------------  Current Time:  615ns
                WAIT FOR 40 ns;
                TRIG <= '0';
                -- -------------------------------------
                -- -------------  Current Time:  1015ns
                WAIT FOR 400 ns;
                TRIG <= '1';
                LATCH <= '1';
                DATA8 <= "00000100";
                -- -------------------------------------
                -- -------------  Current Time:  1055ns
                WAIT FOR 40 ns;
                LATCH <= '0';
                DATA8 <= "00000000";
                -- -------------------------------------
                -- -------------  Current Time:  1095ns
                WAIT FOR 40 ns;
                TRIG <= '0';
                -- -------------------------------------
                -- -------------  Current Time:  1695ns
                WAIT FOR 600 ns;
                TRIG <= '1';
                LATCH <= '1';
                DATA8 <= "00000100";
                -- -------------------------------------
                -- -------------  Current Time:  1735ns
                WAIT FOR 40 ns;
                LATCH <= '0';
                DATA8 <= "00000000";
                -- -------------------------------------
                -- -------------  Current Time:  1775ns
                WAIT FOR 40 ns;
                TRIG <= '0';
                -- -------------------------------------
                -- -------------  Current Time:  2535ns
                WAIT FOR 760 ns;
                TRIG <= '1';
                LATCH <= '1';
                DATA8 <= "00000110";
                -- -------------------------------------
                -- -------------  Current Time:  2575ns
                WAIT FOR 40 ns;
                LATCH <= '0';
                -- -------------------------------------
                -- -------------  Current Time:  2615ns
                WAIT FOR 40 ns;
                TRIG <= '0';
                DATA8 <= "00000000";
                -- -------------------------------------
                -- -------------  Current Time:  3135ns
                WAIT FOR 520 ns;
                TRIG <= '1';
                LATCH <= '1';
                DATA8 <= "00000101";
                -- -------------------------------------
                -- -------------  Current Time:  3175ns
                WAIT FOR 40 ns;
                LATCH <= '0';
                -- -------------------------------------
                -- -------------  Current Time:  3215ns
                WAIT FOR 40 ns;
                TRIG <= '0';
                DATA8 <= "00000000";
                -- -------------------------------------
                -- -------------  Current Time:  3535ns
                WAIT FOR 320 ns;
                TRIG <= '1';
                LATCH <= '1';
                DATA8 <= "00000101";
                -- -------------------------------------
                -- -------------  Current Time:  3575ns
                WAIT FOR 40 ns;
                LATCH <= '0';
                DATA8 <= "00000000";
                -- -------------------------------------
                -- -------------  Current Time:  3615ns
                WAIT FOR 40 ns;
                TRIG <= '0';
                -- -------------------------------------
                -- -------------  Current Time:  4175ns
                WAIT FOR 560 ns;
                TRIG <= '1';
                LATCH <= '1';
                DATA8 <= "00000101";
                -- -------------------------------------
                -- -------------  Current Time:  4215ns
                WAIT FOR 40 ns;
                LATCH <= '0';
                -- -------------------------------------
                -- -------------  Current Time:  4375ns
                WAIT FOR 160 ns;
                TRIG <= '0';
                -- -------------------------------------
                WAIT FOR 665 ns;

                STD.TEXTIO.write(TX_OUT, string'("Total[]"));
                STD.TEXTIO.writeline(RESULTS, TX_OUT);
                ASSERT (FALSE) REPORT
                    "Success! Simulation for annotation completed"
                    SEVERITY FAILURE;
            END PROCESS;

    END testbench_arch;