library ieee;
use ieee.std_logic_1164.all;
 
package phase_record_pkg is
    type ctp_cnt_ovf is array (0 to 1) of std_logic_vector(7 downto 0);
    type ram10x6 is array (0 to 9) of integer range 0 to 63;
    type phases is record
        quarter     : std_logic_vector(1 downto 0);
        coefficient : integer range 0 to 9;
        doubled     : std_logic;
    --counter       : integer range 0 to 63;
    end record;
    type tree_ph is array(0 to 2) of phases;
 
    constant mem_sin_law : ram10x6 := (0, 11, 22, 31, 40, 48, 55, 59, 62, 63);
    constant A_phase_init : phases := (quarter => "00", coefficient => 0, doubled => '1');
    constant B_phase_init : phases := (quarter => "01", coefficient => 6, doubled => '1');
    constant C_phase_init : phases := (quarter => "10", coefficient => 6, doubled => '0');
 
    constant dir_forward : tree_ph := (0 => A_phase_init, 1 => B_phase_init, 2 => C_phase_init);
    constant dir_reverse : tree_ph := (0 => C_phase_init, 1 => B_phase_init, 2 => A_phase_init);
end package phase_record_pkg;