----------------------------- -- Author - Imants Pulkstenis -- Date - 08.06.2020 -- Project name - Lab work No3 -- Module name - sin_gen_sum -- -- Detailed module description: -- This is top module containing -- signal genrators, FIR and IIR filter -- -- Revision: -- A - initial design -- B - -- ----------------------------- library ieee; --always use this library use ieee.std_logic_1164.all; --always use this library use ieee.numeric_std.all; --use this library if arithmetic required --define connections to outside entity sin_gen_sum is generic ( phase_width : integer := 9; data_width : integer := 16; phase_incr_one : integer := 16; phase_incr_two : integer := 16 ); port ( clk : in std_logic; --100mhz clock rst : in std_logic; --rst --phase_incr_one : in std_Logic_vector(phase_width - 1 downto 0); --"frequency for first signal" --phase_incr_two : in std_Logic_vector(phase_width - 1 downto 0); --"frequency for second signal" signal_out : out std_Logic_vector(data_width - 1 downto 0) ); end sin_gen_sum; --define inside of the module architecture behavioral of sin_gen_sum is --define inside use signals --define components to use component sin_gen is generic ( phase_width : integer := 9; data_width : integer := 16 ); port ( clk : in std_logic; --100mhz clock rst : in std_logic; --rst phase_incr : in std_Logic_vector(phase_width - 1 downto 0); --"frequency" phase_out : out std_Logic_vector(phase_width - 1 downto 0); signal_out : out std_Logic_vector(data_width - 1 downto 0) ); end component; begin --define the operation of the module! dds_vhdl_one : sin_gen generic map ( phase_width => phase_width, data_width => data_width ) port map ( clk => clk, rst => rst, phase_incr => phase_incr, phase_out => phase_out, signal_out => signal_out ); end behavioral;