help! .FPGA based led lighting where d lights come on at night and goes off at day

library IEEE;

use IEEE.STD_LOGIC_1164.all;

ENTITY sirisha IS

port ( temp :in std_logic_vector(6 downto 0);

CLK :in std_logic;

enable :in std_logic;

day , night :out std_logic;

disp :out std_logic_vector(2 downto 0)

);

end sirisha;

ARCHITECTURE structure of sirisha IS

signal temp :std_logic_vector(6 downto 0);

signal CLK :std_logic;

signal enable :std_logic;

signal day,night :std_logic;

signal disp :std_logic_vector(2 downto 0);

constant TCLKH_C :time:=5ns;

constant TCLKL_C :time:=TCLKH_C;

constant TCLKL_C :time:=(TCLKH_C + TCLKL_C);

constant TRDELAY_C :time:=TCLKL_C;

constant TRHOLD_C :time:=1ns;

component sirisha

port ( temp :in std_logic_vector(6 downto 0);

CLK :in std_logic;

enable :in std_logic;

day , night :out std_logic;

disp :out std_logic_vector(2 downto 0)

);

end component;

cur_st_process (CLK,enable)

begin

if (enable='0') then

cur_st <= start;

else if (CLK'event and CLK='1') then

cur_st<=next_st;

end if;

end process cur_st_pr;

nxt_st_process (cur_st,temp) --next state comb. circuit

begin

if(temp>"1000110")then

nxt_st<= day;

else if (temp<"0110010") then

nxt_st<=night;

else

nxt_st<=cur_st;

end if;

end process nxt_st_pr;

reg_pr : process (enable,CLK)

begin

if (enable='0') then

day <='0';

night <='0';

disp <="000";

else

day <='1';

night <='1';

disp< ="001";

end if;

end process reg_pr;

begin

(temp=>temp,CLK=>CLK,enable=>enable,day=>day,night=>night,disp=>disp);

end structure;

thanks alot will i av to build one myself or buy one or does it come with the de2 board?.pls help me check d code it is still giving me errors.i want the leds to come on if the if statement of nxt_st_process (cur_st,temp) is satisfied but it still doesnt work