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📄 jishu.vht

📁 eda的第六章课后习题答案,是个文件包
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-- Copyright (C) 1991-2007 Altera Corporation
-- Your use of Altera Corporation's design tools, logic functions 
-- and other software and tools, and its AMPP partner logic 
-- functions, and any output files from any of the foregoing 
-- (including device programming or simulation files), and any 
-- associated documentation or information are expressly subject 
-- to the terms and conditions of the Altera Program License 
-- Subscription Agreement, Altera MegaCore Function License 
-- Agreement, or other applicable license agreement, including, 
-- without limitation, that your use is for the sole purpose of 
-- programming logic devices manufactured by Altera and sold by 
-- Altera or its authorized distributors.  Please refer to the 
-- applicable agreement for further details.

-- *****************************************************************************
-- This file contains a Vhdl test bench with test vectors .The test vectors     
-- are exported from a vector file in the Quartus Waveform Editor and apply to  
-- the top level entity of the current Quartus project .The user can use this   
-- testbench to simulate his design using a third-party simulation tool .       
-- *****************************************************************************
-- Generated on "03/13/2009 20:26:40"
                                                                        
-- Vhdl Self-Checking Test Bench (with test vectors) for design :       JISHU
-- 
-- Simulation tool : 3rd Party
-- 

LIBRARY ieee;                                               
USE ieee.std_logic_1164.all;                                

LIBRARY STD;                                                            
USE STD.textio.ALL;                                                     

PACKAGE JISHU_vhd_tb_types IS
-- input port types                                                       
-- output port names                                                     
CONSTANT A_name : STRING (1 TO 1) := "A";
CONSTANT B_name : STRING (1 TO 1) := "B";
CONSTANT C_name : STRING (1 TO 1) := "C";
CONSTANT CO0_name : STRING (1 TO 3) := "CO0";
CONSTANT CO1_name : STRING (1 TO 3) := "CO1";
CONSTANT CO2_name : STRING (1 TO 3) := "CO2";
CONSTANT CO3_name : STRING (1 TO 3) := "CO3";
CONSTANT D_name : STRING (1 TO 1) := "D";
-- n(outputs)                                                            
CONSTANT o_num : INTEGER := 8;
-- mismatches vector type                                                
TYPE mmvec IS ARRAY (0 to (o_num - 1)) OF INTEGER;
-- exp o/ first change track vector type                                     
TYPE trackvec IS ARRAY (1 to o_num) OF BIT;
-- sampler type                                                            
SUBTYPE sample_type IS STD_LOGIC;                                          
-- utility functions                                                     
FUNCTION std_logic_to_char (a: STD_LOGIC) RETURN CHARACTER;              
FUNCTION std_logic_vector_to_string (a: STD_LOGIC_VECTOR) RETURN STRING; 
PROCEDURE write (l:INOUT LINE; value:IN STD_LOGIC; justified: IN SIDE:= RIGHT; field:IN WIDTH:=0);                                               
PROCEDURE write (l:INOUT LINE; value:IN STD_LOGIC_VECTOR; justified: IN SIDE:= RIGHT; field:IN WIDTH:=0);                                        
PROCEDURE throw_error(output_port_name: IN STRING; expected_value : IN STD_LOGIC; real_value : IN STD_LOGIC);                                   
PROCEDURE throw_error(output_port_name: IN STRING; expected_value : IN STD_LOGIC_VECTOR; real_value : IN STD_LOGIC_VECTOR);                     

END JISHU_vhd_tb_types;

PACKAGE BODY JISHU_vhd_tb_types IS
        FUNCTION std_logic_to_char (a: STD_LOGIC)  
                RETURN CHARACTER IS                
        BEGIN                                      
        CASE a IS                                  
         WHEN 'U' =>                               
          RETURN 'U';                              
         WHEN 'X' =>                               
          RETURN 'X';                              
         WHEN '0' =>                               
          RETURN '0';                              
         WHEN '1' =>                               
          RETURN '1';                              
         WHEN 'Z' =>                               
          RETURN 'Z';                              
         WHEN 'W' =>                               
          RETURN 'W';                              
         WHEN 'L' =>                               
          RETURN 'L';                              
         WHEN 'H' =>                               
          RETURN 'H';                              
         WHEN '-' =>                               
          RETURN 'D';                              
        END CASE;                                  
        END;                                       

        FUNCTION std_logic_vector_to_string (a: STD_LOGIC_VECTOR)       
                RETURN STRING IS                                        
        VARIABLE result : STRING(1 TO a'LENGTH);                        
        VARIABLE j : NATURAL := 1;                                      
        BEGIN                                                           
                FOR i IN a'RANGE LOOP                                   
                        result(j) := std_logic_to_char(a(i));           
                        j := j + 1;                                     
                END LOOP;                                               
                RETURN result;                                          
        END;                                                            

        PROCEDURE write (l:INOUT LINE; value:IN STD_LOGIC; justified: IN SIDE:=RIGHT; field:IN WIDTH:=0) IS 
        BEGIN                                                           
                write(L,std_logic_to_char(VALUE),JUSTIFIED,field);      
        END;                                                            
                                                                        
        PROCEDURE write (l:INOUT LINE; value:IN STD_LOGIC_VECTOR; justified: IN SIDE:= RIGHT; field:IN WIDTH:=0) IS                           
        BEGIN                                                               
                write(L,std_logic_vector_to_string(VALUE),JUSTIFIED,field); 
        END;                                                                

        PROCEDURE throw_error(output_port_name: IN STRING; expected_value : IN STD_LOGIC; real_value : IN STD_LOGIC) IS                               
        VARIABLE txt : LINE;                                              
        BEGIN                                                             
        write(txt,string'("ERROR! Vector Mismatch for output port "));  
        write(txt,output_port_name);                                      
        write(txt,string'(" :: @time = "));                             
        write(txt,NOW);                                                   
        write(txt,string'(", Expected value = "));                      
        write(txt,expected_value);                                        
        write(txt,string'(", Real value = "));                          
        write(txt,real_value);                                            
        writeline(output,txt);                                            
        END;                                                              

        PROCEDURE throw_error(output_port_name: IN STRING; expected_value : IN STD_LOGIC_VECTOR; real_value : IN STD_LOGIC_VECTOR) IS                 
        VARIABLE txt : LINE;                                              
        BEGIN                                                             
        write(txt,string'("ERROR! Vector Mismatch for output port "));  
        write(txt,output_port_name);                                      
        write(txt,string'(" :: @time = "));                             
        write(txt,NOW);                                                   
        write(txt,string'(", Expected value = "));                      
        write(txt,expected_value);                                        
        write(txt,string'(", Real value = "));                          
        write(txt,real_value);                                            
        writeline(output,txt);                                            
        END;                                                              

END JISHU_vhd_tb_types;

LIBRARY ieee;                                               
USE ieee.std_logic_1164.all;                                

USE WORK.JISHU_vhd_tb_types.ALL;                                         

ENTITY JISHU_vhd_sample_tst IS
PORT (
	clk : IN STD_LOGIC;
	sampler : OUT sample_type
	);
END JISHU_vhd_sample_tst;

ARCHITECTURE sample_arch OF JISHU_vhd_sample_tst IS
SIGNAL tbo_int_sample_clk : sample_type := '1';
BEGIN
t_prcs_sample : PROCESS ( clk )
BEGIN
	IF (NOW > 0 ps) AND (NOW < 100000000 ps) THEN
		tbo_int_sample_clk <= NOT tbo_int_sample_clk ;
	END IF;
END PROCESS t_prcs_sample;
sampler <= tbo_int_sample_clk;
END sample_arch;

LIBRARY ieee;                                               
USE ieee.std_logic_1164.all;                                

LIBRARY STD;                                                            
USE STD.textio.ALL;                                                     

USE WORK.JISHU_vhd_tb_types.ALL;                                         

ENTITY JISHU_vhd_check_tst IS 
GENERIC (
	debug_tbench : BIT := '0'
);
PORT (
	A : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
	B : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
	C : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
	CO0 : IN STD_LOGIC;
	CO1 : IN STD_LOGIC;
	CO2 : IN STD_LOGIC;
	CO3 : IN STD_LOGIC;
	D : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
	sampler : IN sample_type
);
END JISHU_vhd_check_tst;
ARCHITECTURE ovec_arch OF JISHU_vhd_check_tst IS
SIGNAL A_expected,A_expected_prev,A_prev : STD_LOGIC_VECTOR(3 DOWNTO 0);
SIGNAL B_expected,B_expected_prev,B_prev : STD_LOGIC_VECTOR(3 DOWNTO 0);
SIGNAL C_expected,C_expected_prev,C_prev : STD_LOGIC_VECTOR(3 DOWNTO 0);
SIGNAL CO0_expected,CO0_expected_prev,CO0_prev : STD_LOGIC;
SIGNAL CO1_expected,CO1_expected_prev,CO1_prev : STD_LOGIC;
SIGNAL CO2_expected,CO2_expected_prev,CO2_prev : STD_LOGIC;
SIGNAL CO3_expected,CO3_expected_prev,CO3_prev : STD_LOGIC;
SIGNAL D_expected,D_expected_prev,D_prev : STD_LOGIC_VECTOR(3 DOWNTO 0);

SIGNAL trigger : BIT := '0';
SIGNAL trigger_e : BIT := '0';
SIGNAL trigger_r : BIT := '0';
SIGNAL trigger_i : BIT := '0';
SIGNAL num_mismatches : mmvec := (OTHERS => 0);

BEGIN

-- Update history buffers  expected /o
t_prcs_update_o_expected_hist : PROCESS (trigger) 
BEGIN
	A_expected_prev <= A_expected;
	B_expected_prev <= B_expected;
	C_expected_prev <= C_expected;
	CO0_expected_prev <= CO0_expected;
	CO1_expected_prev <= CO1_expected;
	CO2_expected_prev <= CO2_expected;
	CO3_expected_prev <= CO3_expected;
	D_expected_prev <= D_expected;
END PROCESS t_prcs_update_o_expected_hist;


-- Update history buffers  real /o
t_prcs_update_o_real_hist : PROCESS (trigger) 
BEGIN
	A_prev <= A;
	B_prev <= B;
	C_prev <= C;
	CO0_prev <= CO0;
	CO1_prev <= CO1;
	CO2_prev <= CO2;
	CO3_prev <= CO3;
	D_prev <= D;
END PROCESS t_prcs_update_o_real_hist;


-- expected A[3]
t_prcs_A_3: PROCESS
BEGIN
	A_expected(3) <= '0';
	WAIT FOR 157927 ps;
	FOR i IN 1 TO 499
	LOOP
		A_expected(3) <= '1';
		WAIT FOR 40000 ps;
		A_expected(3) <= '0';
		WAIT FOR 160000 ps;
	END LOOP;
	A_expected(3) <= '1';
	WAIT FOR 40000 ps;
	A_expected(3) <= '0';
WAIT;
END PROCESS t_prcs_A_3;
-- expected A[2]
t_prcs_A_2: PROCESS
BEGIN
	A_expected(2) <= '0';
	WAIT FOR 77977 ps;
	FOR i IN 1 TO 499
	LOOP
		A_expected(2) <= '1';
		WAIT FOR 80000 ps;
		A_expected(2) <= '0';
		WAIT FOR 120000 ps;
	END LOOP;
	A_expected(2) <= '1';
	WAIT FOR 80000 ps;
	A_expected(2) <= '0';
WAIT;
END PROCESS t_prcs_A_2;
-- expected A[1]
t_prcs_A_1: PROCESS
BEGIN
	A_expected(1) <= '0';
	WAIT FOR 38336 ps;
	FOR i IN 1 TO 499
	LOOP
		A_expected(1) <= '1';
		WAIT FOR 40000 ps;
		A_expected(1) <= '0';
		WAIT FOR 40000 ps;
		A_expected(1) <= '1';
		WAIT FOR 40000 ps;
		A_expected(1) <= '0';
		WAIT FOR 80000 ps;
	END LOOP;
	A_expected(1) <= '1';
	WAIT FOR 40000 ps;
	A_expected(1) <= '0';
	WAIT FOR 40000 ps;
	A_expected(1) <= '1';
	WAIT FOR 40000 ps;
	A_expected(1) <= '0';
WAIT;
END PROCESS t_prcs_A_1;
-- expected A[0]
t_prcs_A_0: PROCESS
BEGIN
	A_expected(0) <= '0';
	WAIT FOR 18037 ps;
	FOR i IN 1 TO 2499
	LOOP
		A_expected(0) <= '1';
		WAIT FOR 20000 ps;
		A_expected(0) <= '0';
		WAIT FOR 20000 ps;
	END LOOP;
	A_expected(0) <= '1';
	WAIT FOR 20000 ps;
	A_expected(0) <= '0';
WAIT;
END PROCESS t_prcs_A_0;

-- expected CO0
t_prcs_CO0: PROCESS
BEGIN
	CO0_expected <= '0';
	WAIT FOR 179470 ps;
	FOR i IN 1 TO 499
	LOOP
		CO0_expected <= '1';
		WAIT FOR 20000 ps;
		CO0_expected <= '0';
		WAIT FOR 180000 ps;
	END LOOP;
	CO0_expected <= '1';
	WAIT FOR 20000 ps;
	CO0_expected <= '0';
WAIT;
END PROCESS t_prcs_CO0;
-- expected B[3]
t_prcs_B_3: PROCESS
BEGIN
	B_expected(3) <= '0';
	WAIT FOR 1598013 ps;
	FOR i IN 1 TO 49
	LOOP
		B_expected(3) <= '1';
		WAIT FOR 400000 ps;
		B_expected(3) <= '0';
		WAIT FOR 1600000 ps;
	END LOOP;
	B_expected(3) <= '1';
	WAIT FOR 400000 ps;
	B_expected(3) <= '0';
WAIT;
END PROCESS t_prcs_B_3;
-- expected B[2]
t_prcs_B_2: PROCESS
BEGIN
	B_expected(2) <= '0';
	WAIT FOR 797569 ps;
	FOR i IN 1 TO 49
	LOOP
		B_expected(2) <= '1';
		WAIT FOR 800000 ps;
		B_expected(2) <= '0';
		WAIT FOR 1200000 ps;
	END LOOP;
	B_expected(2) <= '1';
	WAIT FOR 800000 ps;
	B_expected(2) <= '0';
WAIT;
END PROCESS t_prcs_B_2;
-- expected B[1]
t_prcs_B_1: PROCESS
BEGIN
	B_expected(1) <= '0';
	WAIT FOR 398039 ps;
	FOR i IN 1 TO 49
	LOOP
		B_expected(1) <= '1';
		WAIT FOR 400000 ps;
		B_expected(1) <= '0';
		WAIT FOR 400000 ps;
		B_expected(1) <= '1';
		WAIT FOR 400000 ps;
		B_expected(1) <= '0';
		WAIT FOR 800000 ps;
	END LOOP;
	B_expected(1) <= '1';
	WAIT FOR 400000 ps;
	B_expected(1) <= '0';
	WAIT FOR 400000 ps;
	B_expected(1) <= '1';
	WAIT FOR 400000 ps;
	B_expected(1) <= '0';
WAIT;
END PROCESS t_prcs_B_1;
-- expected B[0]
t_prcs_B_0: PROCESS
BEGIN
	B_expected(0) <= '0';
	WAIT FOR 197906 ps;
	FOR i IN 1 TO 249
	LOOP
		B_expected(0) <= '1';
		WAIT FOR 200000 ps;
		B_expected(0) <= '0';
		WAIT FOR 200000 ps;
	END LOOP;
	B_expected(0) <= '1';
	WAIT FOR 200000 ps;
	B_expected(0) <= '0';
WAIT;
END PROCESS t_prcs_B_0;

-- expected CO1
t_prcs_CO1: PROCESS
BEGIN
	CO1_expected <= '0';
	WAIT FOR 1598609 ps;
	FOR i IN 1 TO 49
	LOOP
		CO1_expected <= '1';
		WAIT FOR 392 ps;
		CO1_expected <= '0';
		WAIT FOR 359796 ps;
		CO1_expected <= '1';
		WAIT FOR 568 ps;
		CO1_expected <= '0';
		WAIT FOR 20000 ps;
		CO1_expected <= '1';
		WAIT FOR 19244 ps;
		CO1_expected <= '0';
		WAIT FOR 1600000 ps;
	END LOOP;
	CO1_expected <= '1';
	WAIT FOR 392 ps;
	CO1_expected <= '0';
	WAIT FOR 359796 ps;
	CO1_expected <= '1';

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