uaveiro-leci/1ano/2semestre/lsd/pratica05/AccN_Demo/FreqDivider.vhd

library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;

entity FreqDivider is
    port (clkIn  : in  std_logic;
          clkOut : out std_logic
    );
end FreqDivider;

architecture Behavioral of FreqDivider is
    signal s_counter : unsigned(31 downto 0);
    signal s_halfWay : unsigned(31 downto 0);
	 signal k         : std_logic_vector(31 downto 0);
begin
	 k <= x"02AD7840";
    s_halfWay <= unsigned(k);
    
    process(clkIn)
    begin
        if (rising_edge(clkIn)) then
            if (s_counter = s_halfWay - 1) then 
                clkOut <= '0';
                s_counter <= (others => '0');
            else
                if (s_counter = s_halfWay/2 - 1) then
                    clkOut <= '1';
                end if;
                s_counter <= s_counter + 1;
            end if;
        end if;
    end process;
end Behavioral;