搶答器vhdl源程序

ID:260092 · 發表于 2017-12-11 14:18

動定義為“開始”（即enable）的開關后，一排指示燈變亮，之后搶答開始，有4個扳動開關代表4個搶答器，數碼管將顯示出最先被扳動的開關的序號，同時發出聲音，表示搶答成功。若未按“開始”前，有任意開關被扳動，則數碼管顯示被扳動開關的序號，并發出另一種聲音，表示有人搶答

vhdl源程序如下:

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
-- Uncomment the following lines to use the declarations that are
-- provided for instantiating Xilinx primitive components.
--library UNISIM;
--use UNISIM.VComponents.all;
entity qiangdaqi is
port(enable:in std_logic;
--reset:in std_logic;
a:in std_logic;
b:in std_logic;
c:in std_logic;
d:in std_logic;
clk:in std_logic;
spkout:out std_logic;
cs:buffer std_logic_vector(1 downto 0);
--cs:buffer std_logic;
led:out std_logic_vector(7 downto 0);
seg:out std_logic_vector(3 downto 0);
segment:out std_logic_vector(7 downto 0)
);
end qiangdaqi;
architecture Behavioral of qiangdaqi is
-- signal led1,led0:std_logic_vector(7 downto 0);
signal flag:std_logic;
signal output:std_logic_vector(3 downto 0);
signal start:std_logic;
signal index:std_logic_vector(5 downto 0);
signal count: std_logic_vector(25 downto 0);
signal fclk:std_logic;
--signal led1:std_logic_vector(7 downto 0);
component input is
port(--en:in std_logic;
clk:in std_logic;
--reset:in std_logic;
a:in std_logic;
b:in std_logic;
c:in std_logic;
d:in std_logic;
output:out std_logic_vector(3 downto 0);
flag:out std_logic);
end component;
component light is
port(--en:in std_logic;
clk:std_logic;
input:in std_logic_vector(3 downto 0);
flag:in std_logic;
seg:out std_logic_vector(3 downto 0);
ledout:out std_logic_vector(7 downto 0));
end component;
component control is
port(start:in std_logic;
a:in std_logic;
b:in std_logic;
c:in std_logic;
d:in std_logic;
clk:in std_logic;
spkout:out std_logic;
index:buffer std_logic_vector(5 downto 0)
);
end component;
--component lcd is
-- port(clk:in std_logic;
-- enable:in std_logic;
-- led:out std_logic_vector(7 downto 0);
-- cs:buffer std_logic_vector(1 downto 0);
-- start:out std_logic
-- );
--end component;
begin
--cs<=cs1;
--led<=led1;
process(fclk,enable)
begin
--cs<="00";
--led<="11111111";
if fclk'event and fclk='1' then
if enable='0' then
cs<="01";
--led<="11111111";
if(fclk='1') then
led<="11111110";
end if;
if(fclk='0') then
led<="11111100";
end if;
if(fclk='1') then
led<="11111000";
end if;
if(fclk='0') then
led<="11110000";
end if;
if(fclk='1') then
led<="11100000";
end if;
if(fclk='0') then
led<="11000000";
end if;
if(fclk='1') then
led<="10000000";
end if;
if(fclk='0') then
led<="00000000";
end if;
start <='1';
else
start<='0';
cs<="00";
--led<="11111111";
end if;
end if;
end process;
process(clk)
begin
if (clk'event and clk='1') then
if(count=50000000) then
count<="00000000000000000000000000";
else
count<=count+1;
end if;
end if;
end process;
fclk <= count(25);
--process(fclk)
--begin
--if(fclk'event and fclk='1') then
--counter<="000";
--process(clk,enable)
--begin
--if(clk'event and clk='1') then
-- if(enable'event and enable='0') then
-- cs<="01";
-- led<="11111110";
-- led<="11111100";
-- led<="11111000";
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ID:260092 · 發表于 2017-12-11 14:20

eached for the definition of "start" (enable) the switch, a row of bright lights changed, after Responder, a four flick of a switch on behalf of four Responder, digital controls are to be shown first to be reached for the switch serial number, also issued voices saying Responder success. If the failure to "start" before it was switched on the flick, Digital Display was the flick of a switch the serial numbers, and issued another voice, someone Responder.

ID:323384 · 發表于 2019-6-3 12:13

真棒真棒真棒

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搶答器vhdl源程序