step_motor_degree_forward_reverse_lcd_pack.vhd

將正在順時針或逆時針旋轉的步進馬達目前角度顯示在ＬＣＭ上。

--****************************************************************
--*            Declare All Component Which Is Used	          *
--*        In STEP_MOTOR_DEGREE_FORWARD_REVERSE_LCD.VHD          *
--*  Filename : STEP_MOTOR_DEGREE_FORWARD_REVERSE_LCD_PACK.VHD   *
--****************************************************************

library IEEE;
use IEEE.STD_LOGIC_1164.all;

package STEP_MOTOR_DEGREE_FORWARD_REVERSE_LCD_PACK is

component BIN_ADD_4BIT 
  port ( CIN   : in std_logic;
         X     : in std_logic_vector(3 downto 0);
	    Y     : in std_logic_vector(3 downto 0);
	    SUM   : out std_logic_vector(3 downto 0);
	    CARRY : out std_logic);
end component;


component BCD_ADD_1DIG 
  port ( CIN   : in std_logic;
         X     : in std_logic_vector(3 downto 0);
    	    Y     : in std_logic_vector(3 downto 0);
	    SUM   : out std_logic_vector(3 downto 0);
	    CARRY : out std_logic);
end component;

component COMPLEMENT
  port ( ADD_SUB  : in std_logic;
         DATA_IN  : in std_logic_vector(3 downto 0);
	    DATA_OUT : out std_logic_vector(3 downto 0));
end component;

component BCD_ADD_SUB_1DIG
  port ( CIN     : in std_logic;
         ADD_SUB : in std_logic;
	    X       : in std_logic_vector(3 downto 0);
	    Y       : in std_logic_vector(3 downto 0);
	    SUM     : out std_logic_vector(3 downto 0);
	    CARRY   : out std_logic);
end component;

component BCD_ADD_SUB_4DIG is
    Port ( MODE  : in std_logic;
           X     : in std_logic_vector(15 downto 0);
           Y     : in std_logic_vector(15 downto 0);
           SUM   : out std_logic_vector(15 downto 0));
end component;

end STEP_MOTOR_DEGREE_FORWARD_REVERSE_LCD_PACK;