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------------------------------------------------------------------------------
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-- This file is a part of the LPP VHDL IP LIBRARY
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-- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 2 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------
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-- FILTERcfg.vhd
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library IEEE;
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use IEEE.numeric_std.all;
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use IEEE.std_logic_1164.all;
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package FILTERcfg is
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--===========================================================|
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--================A L U C O N T R O L======================|
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--===========================================================|
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constant IDLE : std_logic_vector(3 downto 0) := "0000";
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constant MAC_op : std_logic_vector(3 downto 0) := "0001";
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constant MULT : std_logic_vector(3 downto 0) := "0010";
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constant ADD : std_logic_vector(3 downto 0) := "0011";
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constant clr_mac : std_logic_vector(3 downto 0) := "0100";
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--===========================================================|
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--========F I L T E R C O N F I G V A L U E S=============|
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--===========================================================|
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--____________________________
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--Bus Width and chanels number|
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--____________________________|
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constant ChanelsCNT : integer := 6;
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constant Smpl_SZ : integer := 16;
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constant Coef_SZ : integer := 9;
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constant Scalefac_SZ: integer := 3;
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constant Cels_count : integer := 5;
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--____
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--RAM |
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--____|
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constant use_RAM : integer := 1;
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constant use_CEL : integer := 0;
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constant Mem_use : integer := 1;
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--===========================================================|
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--=============C O E F S ====================================|
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--===========================================================|
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-- create a specific type of data for coefs to avoid errors |
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--===========================================================|
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type coefT is array(Coef_SZ-1 downto 0) of std_logic;
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type scaleValT is array(natural range <>) of integer;
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type coef_celT is array(0 to 2) of coefT;
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type coefsT is array(natural range <>) of coefT ;
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type coefs_celT is array(natural range <>) of coef_celT;
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type samplT is array(ChanelsCNT-1 downto 0) of std_logic_vector(Smpl_SZ-1 downto 0);
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type coefs_celsT is record
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NumCoefs : coefs_celT(0 to Cels_count-1);
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DenCoefs : coefs_celT(0 to Cels_count-1);
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end record;
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type in_IIR_CEL_reg is record
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config : std_logic_vector(31 downto 0);
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coefsTB : coefs_celsT;
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virgPos : std_logic_vector(4 downto 0);
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end record;
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type out_IIR_CEL_reg is record
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config : std_logic_vector(31 downto 0);
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status : std_logic_vector(31 downto 0);
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end record;
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--============================================================
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-- create each initial values for each coefs ============
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--!!!!!!!!!!It should be interfaced with a software !!!!!!!!!!
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--============================================================
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constant b0 : coefT := coefT(TO_SIGNED(-30,Coef_SZ));
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constant b1 : coefT := coefT(TO_SIGNED(-81,Coef_SZ));
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constant b2 : coefT := coefT(TO_SIGNED(-153,Coef_SZ));
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constant b3 : coefT := coefT(TO_SIGNED(-171,Coef_SZ));
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constant b4 : coefT := coefT(TO_SIGNED(-144,Coef_SZ));
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constant b5 : coefT := coefT(TO_SIGNED(-72,Coef_SZ));
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constant b6 : coefT := coefT(TO_SIGNED(-25,Coef_SZ));
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constant a0 : coefT := coefT(TO_SIGNED(-128,Coef_SZ));
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constant a1 : coefT := coefT(TO_SIGNED(87,Coef_SZ));
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constant a2 : coefT := coefT(TO_SIGNED(-193,Coef_SZ));
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constant a3 : coefT := coefT(TO_SIGNED(60,Coef_SZ));
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constant a4 : coefT := coefT(TO_SIGNED(-62,Coef_SZ));
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constant b0_0 : coefT := coefT(TO_SIGNED(58,Coef_SZ));
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constant b0_1 : coefT := coefT(TO_SIGNED(-66,Coef_SZ));
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constant b0_2 : coefT := coefT(TO_SIGNED(58,Coef_SZ));
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constant b1_0 : coefT := coefT(TO_SIGNED(58,Coef_SZ));
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constant b1_1 : coefT := coefT(TO_SIGNED(-57,Coef_SZ));
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constant b1_2 : coefT := coefT(TO_SIGNED(58,Coef_SZ));
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constant b2_0 : coefT := coefT(TO_SIGNED(29,Coef_SZ));
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constant b2_1 : coefT := coefT(TO_SIGNED(-17,Coef_SZ));
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constant b2_2 : coefT := coefT(TO_SIGNED(29,Coef_SZ));
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constant b3_0 : coefT := coefT(TO_SIGNED(15,Coef_SZ));
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constant b3_1 : coefT := coefT(TO_SIGNED(4,Coef_SZ));
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constant b3_2 : coefT := coefT(TO_SIGNED(15,Coef_SZ));
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constant b4_0 : coefT := coefT(TO_SIGNED(15,Coef_SZ));
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constant b4_1 : coefT := coefT(TO_SIGNED(24,Coef_SZ));
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constant b4_2 : coefT := coefT(TO_SIGNED(15,Coef_SZ));
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constant b5_0 : coefT := coefT(TO_SIGNED(-81,Coef_SZ));
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constant b5_1 : coefT := coefT(TO_SIGNED(-153,Coef_SZ));
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constant b5_2 : coefT := coefT(TO_SIGNED(-171,Coef_SZ));
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constant b6_0 : coefT := coefT(TO_SIGNED(-144,Coef_SZ));
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constant b6_1 : coefT := coefT(TO_SIGNED(-72,Coef_SZ));
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constant b6_2 : coefT := coefT(TO_SIGNED(-25,Coef_SZ));
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constant a0_0 : coefT := coefT(TO_SIGNED(-128,Coef_SZ));
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constant a0_1 : coefT := coefT(TO_SIGNED(189,Coef_SZ));
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constant a0_2 : coefT := coefT(TO_SIGNED(-111,Coef_SZ));
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constant a1_0 : coefT := coefT(TO_SIGNED(-128,Coef_SZ));
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constant a1_1 : coefT := coefT(TO_SIGNED(162,Coef_SZ));
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constant a1_2 : coefT := coefT(TO_SIGNED(-81,Coef_SZ));
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constant a2_0 : coefT := coefT(TO_SIGNED(-128,Coef_SZ));
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constant a2_1 : coefT := coefT(TO_SIGNED(136,Coef_SZ));
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constant a2_2 : coefT := coefT(TO_SIGNED(-55,Coef_SZ));
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constant a3_0 : coefT := coefT(TO_SIGNED(-128,Coef_SZ));
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constant a3_1 : coefT := coefT(TO_SIGNED(114,Coef_SZ));
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constant a3_2 : coefT := coefT(TO_SIGNED(-33,Coef_SZ));
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constant a4_0 : coefT := coefT(TO_SIGNED(-128,Coef_SZ));
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constant a4_1 : coefT := coefT(TO_SIGNED(100,Coef_SZ));
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constant a4_2 : coefT := coefT(TO_SIGNED(-20,Coef_SZ));
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constant a5_0 : coefT := coefT(TO_SIGNED(60,Coef_SZ));
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constant a5_1 : coefT := coefT(TO_SIGNED(-128,Coef_SZ));
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constant a5_2 : coefT := coefT(TO_SIGNED(87,Coef_SZ));
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constant a6_0 : coefT := coefT(TO_SIGNED(60,Coef_SZ));
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constant a6_1 : coefT := coefT(TO_SIGNED(-128,Coef_SZ));
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constant a6_2 : coefT := coefT(TO_SIGNED(87,Coef_SZ));
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constant celb0 : coef_celT := (b0_0,b0_1,b0_2);
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constant celb1 : coef_celT := (b1_0,b1_1,b1_2);
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constant celb2 : coef_celT := (b2_0,b2_1,b2_2);
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constant celb3 : coef_celT := (b3_0,b3_1,b3_2);
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constant celb4 : coef_celT := (b4_0,b4_1,b4_2);
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constant celb5 : coef_celT := (b5_0,b5_1,b5_2);
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constant celb6 : coef_celT := (b6_0,b6_1,b6_2);
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constant cela0 : coef_celT := (a0_0,a0_1,a0_2);
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constant cela1 : coef_celT := (a1_0,a1_1,a1_2);
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constant cela2 : coef_celT := (a2_0,a2_1,a2_2);
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constant cela3 : coef_celT := (a3_0,a3_1,a3_2);
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constant cela4 : coef_celT := (a4_0,a4_1,a4_2);
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constant cela5 : coef_celT := (a5_0,a5_1,a5_2);
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constant cela6 : coef_celT := (a6_0,a6_1,a6_2);
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constant NumCoefs_cel : coefs_celT(0 to Cels_count-1) := (celb0,celb1,celb2,celb3,celb4);
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constant DenCoefs_cel : coefs_celT(0 to Cels_count-1) := (cela0,cela1,cela2,cela3,cela4);
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constant virgPos : integer := 7;
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signal NumeratorCoefs : coefsT(0 to 6) := (b0,b1,b2,b3,b4,b5,b6);
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signal DenominatorCoefs : coefsT(0 to 4) := (a0,a1,a2,a3,a4);
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signal sample_Tbl : samplT;
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end;
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