TestbenshMAC.vhd
116 lines
| 3.0 KiB
| text/x-vhdl
|
VhdlLexer
martin
|
r98 | ------------------------------------------------------------------------------ | ||
-- 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 : Alexis Jeandet | ||||
-- Mail : alexis.jeandet@lpp.polytechnique.fr | ||||
---------------------------------------------------------------------------- | ||||
library IEEE; | ||||
use IEEE.numeric_std.all; | ||||
use IEEE.std_logic_1164.all; | ||||
entity TestbenshMAC is | ||||
end TestbenshMAC; | ||||
architecture ar_TestbenshMAC of TestbenshMAC is | ||||
constant OP1sz : integer := 16; | ||||
constant OP2sz : integer := 12; | ||||
--IDLE =00 MAC =01 MULT =10 ADD =11 | ||||
constant IDLE : std_logic_vector(1 downto 0) := "00"; | ||||
constant MAC : std_logic_vector(1 downto 0) := "01"; | ||||
constant MULT : std_logic_vector(1 downto 0) := "10"; | ||||
constant ADD : std_logic_vector(1 downto 0) := "11"; | ||||
signal clk : std_logic:='0'; | ||||
signal reset : std_logic:='0'; | ||||
signal clrMAC : std_logic:='0'; | ||||
signal MAC_MUL_ADD : std_logic_vector(1 downto 0):=IDLE; | ||||
signal Operand1 : std_logic_vector(OP1sz-1 downto 0):=(others => '0'); | ||||
signal Operand2 : std_logic_vector(OP2sz-1 downto 0):=(others => '0'); | ||||
signal Resultat : std_logic_vector(OP1sz+OP2sz-1 downto 0); | ||||
begin | ||||
MAC1 : entity LPP_IIR_FILTER.MAC | ||||
generic map( | ||||
Input_SZ_A => OP1sz, | ||||
Input_SZ_B => OP2sz | ||||
) | ||||
port map( | ||||
clk => clk, | ||||
reset => reset, | ||||
clr_MAC => clrMAC, | ||||
MAC_MUL_ADD => MAC_MUL_ADD, | ||||
OP1 => Operand1, | ||||
OP2 => Operand2, | ||||
RES => Resultat | ||||
); | ||||
clk <= not clk after 25 ns; | ||||
process | ||||
begin | ||||
wait for 40 ns; | ||||
reset <= '1'; | ||||
wait for 11 ns; | ||||
Operand1 <= X"0001"; | ||||
Operand2 <= X"001"; | ||||
MAC_MUL_ADD <= ADD; | ||||
wait for 50 ns; | ||||
Operand1 <= X"0001"; | ||||
Operand2 <= X"100"; | ||||
wait for 50 ns; | ||||
Operand1 <= X"0001"; | ||||
Operand2 <= X"001"; | ||||
MAC_MUL_ADD <= MULT; | ||||
wait for 50 ns; | ||||
Operand1 <= X"0002"; | ||||
Operand2 <= X"002"; | ||||
wait for 50 ns; | ||||
clrMAC <= '1'; | ||||
wait for 50 ns; | ||||
clrMAC <= '0'; | ||||
Operand1 <= X"0001"; | ||||
Operand2 <= X"003"; | ||||
MAC_MUL_ADD <= MAC; | ||||
wait; | ||||
end process; | ||||
end ar_TestbenshMAC; | ||||