-----------------------
-- 6-bit counter
-----------------------
-- COURSE:      EE 552
-- FILE: MUXcounter.vhd
-- DESCRIPTION: counts to 5
-- This block counts to 5 to select each 5 inputs to MUX
--

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;


-------------------------------------------------------------------------------
entity MUXcounter is
        generic(datawidth: positive := 3);
        port (clock: in std_logic;
			  thecount: out std_logic_vector(datawidth-1 downto 0) );

end entity MUXcounter;
-------------------------------------------------------------------------------

architecture behaviour of MUXcounter is


   signal sec_count : std_logic_vector(datawidth-1 downto 0):=(others 
=>'0');

begin

count : process (clock) is
	begin
		if rising_edge(clock) then 		
		-- count to indicate 1 sec
	        if (sec_count< "100")then
	            sec_count <= sec_count + '1';
				thecount<=sec_count;
			-- then increment the sec counter till 4
            elsif (sec_count = "100") then 		
			-- if count at 4 then
                thecount<=sec_count;
                sec_count <= "000";                
           	end if;
        end if;
    end process count;
end architecture behaviour;