--- /dev/null
+library ieee;
+use ieee.std_logic_1164.all;
+
+package demo_pkg is
+
+ constant SIMULATION : boolean := FALSE;
+
+ constant PERIOD : time := 10 ns;
+ constant RESETVALUE : std_logic := '0';
+ constant LED_ON : std_logic := '1';
+ constant LED_OFF : std_logic := '0';
+
+end demo_pkg;