-------------------------------------------------
-------------------------------------------------
-- EE552 ASL and Handheld keyboard developement VHDL Code
-- This Package will be used to store all components that
--will be used for the final data path
-- code_pkg.vhd

library ieee;
use ieee.std_logic_1164.all;

package code_pkg is 
--------------------------------------------------------
--norN or gate component
Component norN is 
port 
(
	input 	: IN std_logic_vector(4 downto 0);
	output 	: OUT std_logic
);
END component norN;

---------------------------------------------------------
--five bit RS latch
component S_R_latch is
generic ( N: integer :=5);
port( 	Set : in std_logic_vector(N-1 downto 0);
		output : out std_logic_vector (N-1 downto 0);
		Reset : in std_logic); 
end component S_R_latch;

---------------------------------------------------------
--Five bit register
component registerN is
    generic(N : positive := 5);
    port (	Input   : in std_logic_vector(N-1 downto 0);
          	Load  	: in std_logic;
	  		Reset	: in std_logic;
          	Output  : out std_logic_vector(N-1 downto 0));
end component registerN;

---------------------------------------------------------
-- ASCII decoder
component Ascii_decoder is
	PORT ( 
--interface in is valid data recieved from the glove
      interface_in : IN std_logic_vector(4 downto 0); 
	  enable: IN  std_logic;
      Ascii_data_out : OUT std_logic_vector(7 downto 0)); 
 end component Ascii_decoder;
----------------------------------------------------------
--led_decoder
component led_decoder is
port (
--interface in is valid data recieved from the glove
      interface_in : IN std_logic_vector(4 downto 0); 
	  enable: IN  std_logic;
      led_data_out : OUT std_logic_vector(7 downto 0)); 
end component led_decoder;

---------------------------------------------------------
component hex_display is
    PORT ( 
--interface in is valid data recieved from the glove
      	led_data	: IN std_logic_vector(7 downto 0);
	  	enable	: IN std_logic;
		led_a : OUT  std_logic_vector(7 downto 0);
      	led_b : OUT  std_logic_vector(7 downto 0));
 end component hex_display;
----------------------------------------------------------
Component debouncer is
PORT(
	INPUT	: IN std_logic;
	OUTPUT	: OUT std_logic;
	CLOCK	: IN std_logic
);
END COMPONENT debouncer;
----------------------------------------------------------
component delay is 
port
	(
		signal_in : in std_logic;
		cycles : in std_logic_vector(3 downto 0);
		clk: in std_logic;
		delayed_sig : out std_logic
	);
end component delay;
----------------------------------------------------------
Component load_control is 
	Port
	(	
		Signal_in 	: IN std_logic;
		Clk 		: IN std_logic;
		load_length : IN std_logic_vector(3 downto 0);
--Load length=> # of cycles that load signal is High
		load_signal : OUT std_logic
);
End Component Load_control;
----------------------------------------------------------
end package code_pkg;