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library ieee;
use ieee.std_logic_1164.all;
use ieee.math_real.log2;
use ieee.math_real.ceil;
use ieee.numeric_std.all;
--------------------------
-- CONSTANT DECLARATION --
--------------------------
constant C_W_PSCID : natural := 8;
-- Orbit error
constant C_N_OE_SAT : natural := 8;
constant C_W_OE : natural := 24; -- C_W_BPMPOS-C_N_OE_SAT;
-- Matrix multiplier
constant C_N_MM_BPM : natural := 122; -- number of bpm (matrix columns)
constant C_N_MM_PSC : natural := 100; -- number of psc (matrix lines)
constant C_W_MM_COEF : natural := 26;
constant C_W_MM_MULT : natural := 50; -- C_W_OE+C_W_MM_COEF;
constant C_W_MM_IDCNT : natural := 8; -- > natural(ceil(log2(real(C_N_MM_BPM))));
constant C_W_MM_ACCU : natural := 58; -- C_W_MM_MULT+C_W_MM_IDCNT;
constant C_N_MM_SAT : natural := 7;
constant C_N_MM_RND : natural := 15;
constant C_W_MM : natural := 36; --C_W_MM_ACCU-C_N_MM_SAT-C_N_MM_RND
constant C_W_COR_COEF : natural := 17;
constant C_W_COR_SUMSAT : natural := 36;
constant C_N_COR_RND : natural := 20;
-- Serializer
constant C_W_SER_CNT : natural := 7; -- natural(ceil(log2(real(C_N_MM_PSC))));
-- Moving average
constant C_W_ALPHA : natural := 16;
constant C_ALPHA_OE : signed(C_W_ALPHA-1 downto 0) := x"0048"; -- 72 dec
constant C_ALPHA_CC : signed(C_W_ALPHA-1 downto 0) := x"0048"; -- 72 dec