Subversion Repositories scarts

-----------------------------------------------------------------------
-- This file is part of SCARTS.
-- 
-- SCARTS is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
-- 
-- SCARTS is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.
-- 
-- You should have received a copy of the GNU General Public License
-- along with SCARTS.  If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------
 
 
library ieee;
use ieee.std_logic_1164.all;
use work.math_pkg.all;
 
package debounce_pkg is
  component debounce_fsm is
    generic
    (
      CLK_FREQ    : integer;
      TIMEOUT     : time range 100 us to 100 ms := 1 ms;
      RESET_VALUE : std_logic
    );
    port
    (
      sys_clk : in std_logic;
      sys_res_n : in std_logic;
      i : in std_logic;
      o : out std_logic;
      reinit  : in std_logic;
      reinit_value  : in std_logic
    );
  end component debounce_fsm;
 
  component debounce is
    generic
    (
      CLK_FREQ    : integer;
      TIMEOUT     : time range 100 us to 100 ms := 1 ms;
      RESET_VALUE : std_logic := '0';
      SYNC_STAGES : integer range 2 to integer'high
    );
    port
    (
      sys_clk : in std_logic;
      sys_res_n : in std_logic;
 
      data_in : in std_logic;
      data_out : out std_logic;
 
      reinit  : in std_logic;
      reinit_value  : in std_logic
    );
  end component debounce;
end package debounce_pkg;