|
|
------------------------------------------------------------------------------
|
|
|
-- This file is a part of the LPP VHDL IP LIBRARY
|
|
|
-- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS
|
|
|
--
|
|
|
-- This program 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.
|
|
|
--
|
|
|
-- This program 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 this program; if not, write to the Free Software
|
|
|
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
-------------------------------------------------------------------------------
|
|
|
-- Author : Martin Morlot
|
|
|
-- Mail : martin.morlot@lpp.polytechnique.fr
|
|
|
-------------------------------------------------------------------------------
|
|
|
library IEEE;
|
|
|
use IEEE.numeric_std.all;
|
|
|
use IEEE.std_logic_1164.all;
|
|
|
|
|
|
entity ReUse_CTRLR is
|
|
|
port(
|
|
|
clk : in std_logic;
|
|
|
reset : in std_logic;
|
|
|
|
|
|
SetReUse : in std_logic_vector(4 downto 0);
|
|
|
Statu : in std_logic_vector(3 downto 0);
|
|
|
|
|
|
ReUse : out std_logic_vector(4 downto 0)
|
|
|
);
|
|
|
end entity;
|
|
|
|
|
|
|
|
|
architecture ar_ReUse_CTRLR of ReUse_CTRLR is
|
|
|
|
|
|
signal ResetReUse : std_logic_vector(4 downto 0);
|
|
|
signal MatrixParam : integer;
|
|
|
signal MatrixParam_Reg : integer;
|
|
|
|
|
|
begin
|
|
|
|
|
|
|
|
|
|
|
|
process (clk,reset)
|
|
|
-- variable MatrixParam : integer;
|
|
|
begin
|
|
|
-- MatrixParam := to_integer(unsigned(Statu));
|
|
|
|
|
|
if(reset='0')then
|
|
|
ResetReUse <= (others => '1');
|
|
|
MatrixParam_Reg <= 0;
|
|
|
|
|
|
|
|
|
elsif(clk' event and clk='1')then
|
|
|
MatrixParam_Reg <= MatrixParam;
|
|
|
|
|
|
if(MatrixParam_Reg = 7 and MatrixParam = 8)then -- On videra FIFO(B1) a sa derni�re utilisation PARAM = 11
|
|
|
ResetReUse(0) <= '0';
|
|
|
elsif(MatrixParam_Reg = 8 and MatrixParam = 9)then -- On videra FIFO(B2) a sa derni�re utilisation PARAM = 12
|
|
|
ResetReUse(1) <= '0';
|
|
|
elsif(MatrixParam_Reg = 9 and MatrixParam = 10)then -- On videra FIFO(B3) a sa derni�re utilisation PARAM = 13
|
|
|
ResetReUse(2) <= '0';
|
|
|
elsif(MatrixParam_Reg = 10 and MatrixParam = 11)then -- On videra FIFO(E1) a sa derni�re utilisation PARAM = 14
|
|
|
ResetReUse(3) <= '0';
|
|
|
elsif(MatrixParam_Reg = 14 and MatrixParam = 15)then -- On videra FIFO(E2) a sa derni�re utilisation PARAM = 15
|
|
|
ResetReUse(4) <= '0';
|
|
|
end if;
|
|
|
|
|
|
end if;
|
|
|
end process;
|
|
|
|
|
|
MatrixParam <= to_integer(unsigned(Statu));
|
|
|
ReUse <= SetReUse and ResetReUse;
|
|
|
|
|
|
end architecture;
|