?? gewei.vhd
字號:
--數碼管顯示提車位個數個位
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
use ieee.std_logic_arith.all;
entity gewei is
port(
clk : in std_logic;
chewei : in std_logic_vector(6 downto 0);
ledge: out std_logic_vector(6 downto 0)
);
end gewei;
architecture gewei of gewei is
begin
process(clk)
variable carnm : integer range 0 to 64;
variable g: integer range 0 to 9;
begin
carnm:=conv_integer(chewei);
g:=carnm rem 10; --算出個位數字
case g is --七段譯碼
when 0=>ledge<="1111110";
when 1=>ledge<="0110000";
when 2=>ledge<="1101101";
when 3=>ledge<="1111001";
when 4=>ledge<="0110011";
when 5=>ledge<="1011011";
when 6=>ledge<="1011111";
when 7=>ledge<="1110000";
when 8=>ledge<="1111111";
when 9=>ledge<="1111011";
when others=>ledge<="0000000";
end case;
end process;
end gewei;
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