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ps2interface.vhd
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ps2interface.vhd
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library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
--use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
entity ps2interface is
Port ( ps2clk : inout STD_LOGIC;
ps2data : inout STD_LOGIC;
clk : in STD_LOGIC;
code : in STD_LOGIC_VECTOR (7 downto 0);
isPressed : in STD_LOGIC;
send : in STD_LOGIC;
ready : out STD_LOGIC);
end ps2interface;
architecture Behavioral of ps2interface is
-- TYPE ps2state_TYPE IS (s_idle, s_recv, s_respond, s_send);
-- SIGNAL state : ps2state_TYPE;
-- signal counter : integer;
begin
ps2clk <= clk;
ps2data <= clk;
ready <= send xor isPressed xor ps2data;
end Behavioral;