final commit
This commit is contained in:
@@ -0,0 +1,83 @@
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----------------------------------------------------------------------------------
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-- Company:
|
||||
-- Engineer:
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||||
--
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||||
-- Create Date: 07.03.2025 15:23:11
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-- Design Name:
|
||||
-- Module Name: PulseWidthModulator - Behavioral
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-- Project Name:
|
||||
-- Target Devices:
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||||
-- Tool Versions:
|
||||
-- Description:
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||||
--
|
||||
-- Dependencies:
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||||
--
|
||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
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||||
-- Additional Comments:
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||||
--
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||||
----------------------------------------------------------------------------------
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||||
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||||
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library IEEE;
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use IEEE.STD_LOGIC_1164.ALL;
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-- Uncomment the following library declaration if using
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-- arithmetic functions with Signed or Unsigned values
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use IEEE.NUMERIC_STD.ALL;
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||||
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-- Uncomment the following library declaration if instantiating
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||||
-- any Xilinx leaf cells in this code.
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--library UNISIM;
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--use UNISIM.VComponents.all;
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entity PulseWidthModulator is
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Generic(
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BIT_LENGTH : INTEGER RANGE 1 to 16 := 8;
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T_ON_INIT : POSITIVE := 64;
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PERIOD_INIT : POSITIVE := 128;
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PWM_INIT : STD_LOGIC := '0'
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);
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Port (
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reset : IN STD_LOGIC;
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clk : IN STD_LOGIC;
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Ton : IN std_logic_vector(BIT_LENGTH-1 downto 0);
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Period : IN std_logic_vector(BIT_LENGTH-1 downto 0);
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PWM : OUT std_logic
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);
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end PulseWidthModulator;
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architecture Behavioral of PulseWidthModulator is
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signal counter : unsigned(BIT_LENGTH-1 downto 0) := (others => '0');
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signal pwm_out : std_logic;
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begin
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process(clk, reset)
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begin
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if reset = '1' then
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counter <= (others => '0');
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pwm_out <= '0'; -- Assicura PWM spento al reset
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elsif rising_edge(clk) then
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if counter = unsigned(period) then
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counter <= (others => '0'); -- Reset counter
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else
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counter <= counter + 1; -- Incrementa il counter
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end if;
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-- Accendi il PWM all'inizio di ogni ciclo
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if counter = 0 then
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pwm_out <= '1';
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end if;
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-- Spegni il PWM quando il contatore raggiunge Ton
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if counter = unsigned(Ton) then
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pwm_out <= '0';
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end if;
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end if;
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end process;
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PWM <= pwm_out; -- Output PWM
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end Behavioral;
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@@ -0,0 +1,56 @@
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----------------------------------------------------------------------------------
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-- Company:
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||||
-- Engineer:
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||||
--
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||||
-- Create Date: 03.03.2025 14:49:43
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-- Design Name:
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||||
-- Module Name: ShiftRegister_v0 - Behavioral
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-- Project Name:
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||||
-- Target Devices:
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||||
-- Tool Versions:
|
||||
-- Description:
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||||
--
|
||||
-- Dependencies:
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||||
--
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||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
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-- Additional Comments:
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||||
--
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||||
----------------------------------------------------------------------------------
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library IEEE;
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use IEEE.STD_LOGIC_1164.ALL;
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-- Uncomment the following library declaration if using
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-- arithmetic functions with Signed or Unsigned values
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--use IEEE.NUMERIC_STD.ALL;
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||||
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-- Uncomment the following library declaration if instantiating
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-- any Xilinx leaf cells in this code.
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--library UNISIM;
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--use UNISIM.VComponents.all;
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entity ShiftRegister_v0 is
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Port ( reset : in STD_LOGIC;
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clk : in STD_LOGIC;
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din : in STD_LOGIC;
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dout : out STD_LOGIC);
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end ShiftRegister_v0;
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architecture Behavioral of ShiftRegister_v0 is
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signal sr : std_logic := '0';
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begin
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process(clk, reset)
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begin
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if reset = '1' then
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sr <= '0';
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elsif rising_edge(clk) then
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sr <= din;
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end if;
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end process;
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dout <= sr;
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end Behavioral;
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@@ -0,0 +1,56 @@
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----------------------------------------------------------------------------------
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-- Company:
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||||
-- Engineer:
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||||
--
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||||
-- Create Date: 03.03.2025 14:21:16
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||||
-- Design Name:
|
||||
-- Module Name: shift_register_v0 - Behavioral
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||||
-- Project Name:
|
||||
-- Target Devices:
|
||||
-- Tool Versions:
|
||||
-- Description:
|
||||
--
|
||||
-- Dependencies:
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||||
--
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||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
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||||
-- Additional Comments:
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||||
--
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||||
----------------------------------------------------------------------------------
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||||
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library IEEE;
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use IEEE.STD_LOGIC_1164.ALL;
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-- Uncomment the following library declaration if using
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||||
-- arithmetic functions with Signed or Unsigned values
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||||
--use IEEE.NUMERIC_STD.ALL;
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||||
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-- Uncomment the following library declaration if instantiating
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||||
-- any Xilinx leaf cells in this code.
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--library UNISIM;
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--use UNISIM.VComponents.all;
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entity shift_register_v0 is
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Port ( reset : in STD_LOGIC;
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clk : in STD_LOGIC;
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din : in STD_LOGIC;
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dout : out STD_LOGIC);
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end shift_register_v0;
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architecture Behavioral of shift_register_v0 is
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signal sr : std_logic := '0';
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begin
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process(clk, reset)
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begin
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if reset = '1' then
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sr <= '0';
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elsif rising_edge(clk) then
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sr <= din;
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end if;
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end process;
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dout <= sr;
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end Behavioral;
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@@ -0,0 +1,62 @@
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----------------------------------------------------------------------------------
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||||
-- Company:
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||||
-- Engineer:
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||||
--
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||||
-- Create Date: 03.03.2025 15:06:26
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||||
-- Design Name:
|
||||
-- Module Name: ShiftRegister_v1 - Behavioral
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||||
-- Project Name:
|
||||
-- Target Devices:
|
||||
-- Tool Versions:
|
||||
-- Description:
|
||||
--
|
||||
-- Dependencies:
|
||||
--
|
||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
|
||||
-- Additional Comments:
|
||||
--
|
||||
----------------------------------------------------------------------------------
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||||
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||||
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||||
library IEEE;
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use IEEE.STD_LOGIC_1164.ALL;
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||||
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||||
-- Uncomment the following library declaration if using
|
||||
-- arithmetic functions with Signed or Unsigned values
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||||
--use IEEE.NUMERIC_STD.ALL;
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||||
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||||
-- Uncomment the following library declaration if instantiating
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||||
-- any Xilinx leaf cells in this code.
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||||
--library UNISIM;
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--use UNISIM.VComponents.all;
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entity ShiftRegister_v1 is
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Generic (
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SR_DEPTH : POSITIVE := 4;
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SR_INIT : STD_LOGIC := '0'
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);
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Port (
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reset : in STD_LOGIC;
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clk : in STD_LOGIC;
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din : in STD_LOGIC;
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dout : out STD_LOGIC
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);
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end ShiftRegister_v1;
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architecture Behavioral of ShiftRegister_v1 is
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signal sr : STD_LOGIC_VECTOR(SR_DEPTH-1 DOWNTO 0) := (others => '0');
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begin
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process(clk, reset)
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begin
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if reset = '1' then
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sr <= (others => SR_INIT);
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elsif rising_edge(clk) then
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sr <= sr(SR_DEPTH-2 DOWNTO 0) & din;
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end if;
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end process;
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dout <= sr(SR_DEPTH-1);
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end Behavioral;
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@@ -0,0 +1,65 @@
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||||
----------------------------------------------------------------------------------
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||||
-- Company:
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||||
-- Engineer:
|
||||
--
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||||
-- Create Date: 03.03.2025 15:35:08
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||||
-- Design Name:
|
||||
-- Module Name: ShiftRegister_v2 - Behavioral
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||||
-- Project Name:
|
||||
-- Target Devices:
|
||||
-- Tool Versions:
|
||||
-- Description:
|
||||
--
|
||||
-- Dependencies:
|
||||
--
|
||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
|
||||
-- Additional Comments:
|
||||
--
|
||||
----------------------------------------------------------------------------------
|
||||
|
||||
|
||||
library IEEE;
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||||
use IEEE.STD_LOGIC_1164.ALL;
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||||
|
||||
-- Uncomment the following library declaration if using
|
||||
-- arithmetic functions with Signed or Unsigned values
|
||||
--use IEEE.NUMERIC_STD.ALL;
|
||||
|
||||
-- Uncomment the following library declaration if instantiating
|
||||
-- any Xilinx leaf cells in this code.
|
||||
--library UNISIM;
|
||||
--use UNISIM.VComponents.all;
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||||
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||||
entity ShiftRegister_v2 is
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Generic (
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SR_WIDTH : NATURAL := 8;
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SR_DEPTH : POSITIVE := 4;
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||||
SR_INIT : STD_LOGIC := '0'
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||||
);
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Port (
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reset : in STD_LOGIC;
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clk : in STD_LOGIC;
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din : in STD_LOGIC_VECTOR(SR_WIDTH-1 downto 0);
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dout : out STD_LOGIC_VECTOR(SR_WIDTH-1 downto 0)
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);
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end ShiftRegister_v2;
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architecture Behavioral of ShiftRegister_v2 is
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type sr_type is array (SR_DEPTH-1 downto 0) of std_logic_vector(SR_WIDTH-1 downto 0);
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signal sr : sr_type := (others => (others => SR_INIT));
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begin
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process(reset,clk)
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||||
begin
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||||
if reset = '1' then
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||||
sr <= (others => (others => SR_INIT));
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||||
elsif rising_edge(clk) then
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sr <= sr(SR_DEPTH-2 downto 0) & din;
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||||
end if;
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||||
end process;
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||||
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dout <= sr(SR_DEPTH-1);
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end Behavioral;
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||||
255
LAB0/tb_PulseWidthModulator/tb_PulseWidthModulator.vhd
Normal file
255
LAB0/tb_PulseWidthModulator/tb_PulseWidthModulator.vhd
Normal file
@@ -0,0 +1,255 @@
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||||
----------------------------------------------------------------------------------
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||||
-- Company:
|
||||
-- Engineer:
|
||||
--
|
||||
-- Create Date: 19.03.2019 18:55:36
|
||||
-- Design Name:
|
||||
-- Module Name: tb_PulseWidthModulator - Behavioral
|
||||
-- Project Name:
|
||||
-- Target Devices:
|
||||
-- Tool Versions:
|
||||
-- Description:
|
||||
--
|
||||
-- Dependencies:
|
||||
--
|
||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
|
||||
-- Additional Comments:
|
||||
--
|
||||
----------------------------------------------------------------------------------
|
||||
|
||||
|
||||
---------- DEFAULT LIBRARY ---------
|
||||
library IEEE;
|
||||
use IEEE.STD_LOGIC_1164.all;
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||||
use IEEE.NUMERIC_STD.ALL;
|
||||
-- use IEEE.MATH_REAL.all;
|
||||
|
||||
-- use STD.textio.all;
|
||||
-- use ieee.std_logic_textio.all;
|
||||
|
||||
------------------------------------
|
||||
|
||||
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||||
---------- OTHERS LIBRARY ----------
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||||
-- NONE
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||||
------------------------------------
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||||
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||||
entity tb_PulseWidthModulator is
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||||
end tb_PulseWidthModulator;
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||||
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architecture Behavioral of tb_PulseWidthModulator is
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||||
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||||
------------------ CONSTANT DECLARATION -------------------------
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||||
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||||
--------- Timing -----------
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||||
constant CLK_PERIOD : TIME := 10 ns;
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||||
constant RESET_WND : TIME := 10*CLK_PERIOD;
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||||
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||||
constant PWM_WND : TIME := 100 ns;
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||||
----------------------------
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||||
|
||||
--- TB Initialiazzations ---
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||||
constant TB_CLK_INIT : STD_LOGIC := '0';
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||||
constant TB_RESET_INIT : STD_LOGIC := '1';
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||||
----------------------------
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||||
|
||||
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||||
------- DUT Generics -------
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||||
constant DUT_BIT_LENGTH : INTEGER RANGE 1 TO 16 := 3; -- Leds used over the 16 in Basys3
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||||
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||||
constant DUT_T_ON_INIT : POSITIVE := 8; -- Init of Ton
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||||
constant DUT_PERIOD_INIT : POSITIVE := 16; -- Init of Periof
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||||
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||||
constant DUT_PWM_INIT : STD_LOGIC := '1'; -- Init of PWM
|
||||
----------------------------
|
||||
|
||||
|
||||
-----------------------------------------------------------------
|
||||
|
||||
------ COMPONENT DECLARATION for the Device Under Test (DUT) ------
|
||||
|
||||
----------- DUT -----------
|
||||
component PulseWidthModulator
|
||||
Generic(
|
||||
|
||||
BIT_LENGTH : INTEGER RANGE 1 TO 16; -- Leds used over the 16 in Basys3
|
||||
|
||||
T_ON_INIT : POSITIVE; -- Init of Ton
|
||||
PERIOD_INIT : POSITIVE; -- Init of Periof
|
||||
|
||||
PWM_INIT : STD_LOGIC -- Init of PWM
|
||||
);
|
||||
Port (
|
||||
|
||||
------- Reset/Clock --------
|
||||
reset : IN STD_LOGIC;
|
||||
clk : IN STD_LOGIC;
|
||||
----------------------------
|
||||
|
||||
-------- Duty Cycle ----------
|
||||
Ton : IN STD_LOGIC_VECTOR(BIT_LENGTH-1 downto 0); -- clk at PWM = '1'
|
||||
Period : IN STD_LOGIC_VECTOR(BIT_LENGTH-1 downto 0); -- clk per period of PWM
|
||||
|
||||
PWM : OUT STD_LOGIC -- PWM signal
|
||||
----------------------------
|
||||
|
||||
);
|
||||
end component;
|
||||
|
||||
----------------------------
|
||||
|
||||
|
||||
------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
|
||||
--------------------- SIGNALS DECLARATION -----------------------
|
||||
|
||||
|
||||
------- Clock/Reset -------
|
||||
signal reset : STD_LOGIC := TB_RESET_INIT;
|
||||
signal clk : STD_LOGIC := TB_CLK_INIT;
|
||||
----------------------------
|
||||
|
||||
|
||||
|
||||
-------- Duty Cycle ----------
|
||||
signal dut_Ton : STD_LOGIC_VECTOR(DUT_BIT_LENGTH-1 downto 0); -- clk at PWM = '1'
|
||||
signal dut_Period : STD_LOGIC_VECTOR(DUT_BIT_LENGTH-1 downto 0); -- clk per period of PWM
|
||||
|
||||
signal dut_PWM : STD_LOGIC; -- PWM signal
|
||||
----------------------------
|
||||
|
||||
----------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
|
||||
begin
|
||||
|
||||
|
||||
--------------------- COMPONENTS DUT WRAPPING --------------------
|
||||
|
||||
----------- DUT ------------
|
||||
dut_PulseWidthModulator : PulseWidthModulator
|
||||
Generic Map(
|
||||
|
||||
BIT_LENGTH => DUT_BIT_LENGTH,
|
||||
|
||||
T_ON_INIT => DUT_T_ON_INIT,
|
||||
PERIOD_INIT => DUT_PERIOD_INIT,
|
||||
|
||||
PWM_INIT => DUT_PWM_INIT
|
||||
|
||||
)
|
||||
Port Map(
|
||||
|
||||
------- Reset/Clock --------
|
||||
reset => reset,
|
||||
clk => clk,
|
||||
----------------------------
|
||||
|
||||
|
||||
-------- Duty Cycle ----------
|
||||
Ton => dut_Ton,
|
||||
Period => dut_Period,
|
||||
|
||||
PWM => dut_PWM
|
||||
----------------------------
|
||||
|
||||
);
|
||||
----------------------------
|
||||
|
||||
----------------------------
|
||||
|
||||
|
||||
|
||||
-------------------------------------------------------------------
|
||||
|
||||
|
||||
--------------------- TEST BENCH DATA FLOW -----------------------
|
||||
|
||||
---------- clock ----------
|
||||
clk <= not clk after CLK_PERIOD/2;
|
||||
----------------------------
|
||||
|
||||
-------------------------------------------------------------------
|
||||
|
||||
|
||||
---------------------- TEST BENCH PROCESS -------------------------
|
||||
|
||||
|
||||
---- Clock Process --------
|
||||
-- clk_wave :process
|
||||
-- begin
|
||||
-- clk <= CLK_PERIOD;
|
||||
-- wait for CLK_PERIOD/2;
|
||||
|
||||
-- clk <= not clk;
|
||||
-- wait for CLK_PERIOD/2;
|
||||
-- end process;
|
||||
--------------------------
|
||||
|
||||
|
||||
----- Reset Process --------
|
||||
reset_wave :process
|
||||
begin
|
||||
reset <= TB_RESET_INIT;
|
||||
wait for RESET_WND;
|
||||
|
||||
reset <= not reset;
|
||||
wait;
|
||||
end process;
|
||||
----------------------------
|
||||
|
||||
|
||||
------ Stimulus process -------
|
||||
|
||||
stim_proc: process
|
||||
begin
|
||||
|
||||
-- waiting the reset wave
|
||||
|
||||
dut_Ton <= std_logic_vector(to_unsigned(0,DUT_BIT_LENGTH));
|
||||
dut_Period <= std_logic_vector(to_unsigned(0,DUT_BIT_LENGTH));
|
||||
wait for RESET_WND;
|
||||
|
||||
|
||||
-- Start
|
||||
for I in 0 to 2**DUT_BIT_LENGTH-1 loop
|
||||
|
||||
dut_Period <= std_logic_vector(to_unsigned(I,DUT_BIT_LENGTH));
|
||||
|
||||
for J in 0 to 2**DUT_BIT_LENGTH-1 loop
|
||||
|
||||
dut_Ton <= std_logic_vector(to_unsigned(J,DUT_BIT_LENGTH));
|
||||
|
||||
|
||||
wait for PWM_WND;
|
||||
|
||||
end loop;
|
||||
end loop;
|
||||
|
||||
|
||||
dut_Ton <= std_logic_vector(to_unsigned(2**DUT_BIT_LENGTH-1,DUT_BIT_LENGTH));
|
||||
dut_Period <= std_logic_vector(to_unsigned(2**DUT_BIT_LENGTH-2,DUT_BIT_LENGTH));
|
||||
wait for PWM_WND;
|
||||
|
||||
-- Stop
|
||||
wait;
|
||||
|
||||
|
||||
--------------------------
|
||||
|
||||
wait;
|
||||
end process;
|
||||
----------------------------
|
||||
|
||||
-------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
|
||||
end Behavioral;
|
||||
181
LAB0/tb_ShiftRegister/tb_ShiftRegister_v0.vhd
Normal file
181
LAB0/tb_ShiftRegister/tb_ShiftRegister_v0.vhd
Normal file
@@ -0,0 +1,181 @@
|
||||
----------------------------------------------------------------------------------
|
||||
-- Company:
|
||||
-- Engineer:
|
||||
--
|
||||
-- Create Date: 07.03.2019 12:46:18
|
||||
-- Design Name:
|
||||
-- Module Name: tb_ShiftRegister_v0 - Behavioral
|
||||
-- Project Name:
|
||||
-- Target Devices:
|
||||
-- Tool Versions:
|
||||
-- Description:
|
||||
--
|
||||
-- Dependencies:
|
||||
--
|
||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
|
||||
-- Additional Comments:
|
||||
--
|
||||
----------------------------------------------------------------------------------
|
||||
|
||||
|
||||
library IEEE;
|
||||
use IEEE.STD_LOGIC_1164.ALL;
|
||||
|
||||
-- Uncomment the following library declaration if using
|
||||
-- arithmetic functions with Signed or Unsigned values
|
||||
use IEEE.NUMERIC_STD.ALL;
|
||||
|
||||
-- Uncomment the following library declaration if instantiating
|
||||
-- any Xilinx leaf cells in this code.
|
||||
--library UNISIM;
|
||||
--use UNISIM.VComponents.all;
|
||||
|
||||
entity tb_ShiftRegister_v0 is
|
||||
end tb_ShiftRegister_v0;
|
||||
|
||||
architecture Behavioral of tb_ShiftRegister_v0 is
|
||||
|
||||
------------------------ Constant Declaration -------------------------
|
||||
|
||||
-- Constant For Test Bench (TB) --
|
||||
constant RESET_ON : STD_LOGIC := '1';
|
||||
|
||||
constant CLK_PERIOD : time := 10 ns;
|
||||
constant RESET_WND : time := 100 ns;
|
||||
----------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
----------------- Device Under Test (DUT) Declaration ----------------
|
||||
|
||||
------------ DUT v0 --------------
|
||||
COMPONENT ShiftRegister_v0
|
||||
Port (
|
||||
|
||||
---------- Reset/Clock ----------
|
||||
reset : IN STD_LOGIC;
|
||||
clk : IN STD_LOGIC;
|
||||
---------------------------------
|
||||
|
||||
------------- Data --------------
|
||||
din : IN STD_LOGIC;
|
||||
dout : OUT STD_LOGIC
|
||||
---------------------------------
|
||||
|
||||
);
|
||||
END COMPONENT;
|
||||
----------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
------------------------- Signal Declaration -------------------------
|
||||
|
||||
---------- Reset/Clock ----------
|
||||
signal reset : STD_LOGIC := RESET_ON;
|
||||
signal clk : STD_LOGIC := '1';
|
||||
---------------------------------
|
||||
|
||||
|
||||
-------- ShiftRegister_v0 -------
|
||||
signal dut0_din : STD_LOGIC := '0';
|
||||
signal dut0_dout : STD_LOGIC;
|
||||
---------------------------------
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
begin
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
------------------- Device Under Test (DUT) Wrapper ------------------
|
||||
|
||||
------------ DUT v0 --------------
|
||||
dut0_ShiftRegister_v0 : ShiftRegister_v0
|
||||
Port Map(
|
||||
|
||||
---------- Reset/Clock ----------
|
||||
reset => reset,
|
||||
clk => clk,
|
||||
---------------------------------
|
||||
|
||||
------------- Data --------------
|
||||
din => dut0_din,
|
||||
dout => dut0_dout
|
||||
---------------------------------
|
||||
|
||||
);
|
||||
----------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
|
||||
-------------------------- Signals Generation -------------------------
|
||||
|
||||
|
||||
------ TB Clk Generation -------
|
||||
|
||||
clk <= not clk after CLK_PERIOD/2;
|
||||
---------------------------------
|
||||
|
||||
|
||||
----- TB Reset Generation ------
|
||||
reset_wave : process
|
||||
begin
|
||||
|
||||
reset <= '1';
|
||||
wait for RESET_WND;
|
||||
|
||||
reset <= '0';
|
||||
wait;
|
||||
|
||||
end process;
|
||||
---------------------------------
|
||||
|
||||
|
||||
|
||||
-- TB din pattern Generation ---
|
||||
dut0_din_pattern : process
|
||||
begin
|
||||
|
||||
-- wait the reset window
|
||||
dut0_din <= '0';
|
||||
wait for RESET_WND;
|
||||
|
||||
-- Start
|
||||
dut0_din <= '0';
|
||||
wait for CLK_PERIOD;
|
||||
|
||||
dut0_din <= '1';
|
||||
wait for 4*CLK_PERIOD;
|
||||
|
||||
dut0_din <= '0';
|
||||
wait for 8*CLK_PERIOD;
|
||||
|
||||
-- Etc...
|
||||
|
||||
-- Stop
|
||||
wait;
|
||||
|
||||
end process;
|
||||
---------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
end Behavioral;
|
||||
195
LAB0/tb_ShiftRegister/tb_ShiftRegister_v1.vhd
Normal file
195
LAB0/tb_ShiftRegister/tb_ShiftRegister_v1.vhd
Normal file
@@ -0,0 +1,195 @@
|
||||
----------------------------------------------------------------------------------
|
||||
-- Company:
|
||||
-- Engineer:
|
||||
--
|
||||
-- Create Date: 07.03.2019 13:27:59
|
||||
-- Design Name:
|
||||
-- Module Name: tb_ShiftRegister_v1 - Behavioral
|
||||
-- Project Name:
|
||||
-- Target Devices:
|
||||
-- Tool Versions:
|
||||
-- Description:
|
||||
--
|
||||
-- Dependencies:
|
||||
--
|
||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
|
||||
-- Additional Comments:
|
||||
--
|
||||
----------------------------------------------------------------------------------
|
||||
|
||||
|
||||
library IEEE;
|
||||
use IEEE.STD_LOGIC_1164.ALL;
|
||||
|
||||
-- Uncomment the following library declaration if using
|
||||
-- arithmetic functions with Signed or Unsigned values
|
||||
use IEEE.NUMERIC_STD.ALL;
|
||||
|
||||
-- Uncomment the following library declaration if instantiating
|
||||
-- any Xilinx leaf cells in this code.
|
||||
--library UNISIM;
|
||||
--use UNISIM.VComponents.all;
|
||||
|
||||
entity tb_ShiftRegister_v1 is
|
||||
end tb_ShiftRegister_v1;
|
||||
|
||||
architecture Behavioral of tb_ShiftRegister_v1 is
|
||||
|
||||
------------------------ Constant Declaration -------------------------
|
||||
|
||||
-- Constant For Test Bench (TB) --
|
||||
constant RESET_ON : STD_LOGIC := '1';
|
||||
|
||||
constant CLK_PERIOD : time := 10 ns;
|
||||
constant RESET_WND : time := 100 ns;
|
||||
----------------------------------
|
||||
|
||||
------ Constant For DUT v0 ------
|
||||
constant DUT1_SR_DEPTH : POSITIVE := 4;
|
||||
constant DUT1_SR_INIT : STD_LOGIC := '0';
|
||||
----------------------------------
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
----------------- Device Under Test (DUT) Declaration ----------------
|
||||
|
||||
------------ DUT v1 --------------
|
||||
COMPONENT ShiftRegister_v1
|
||||
Generic(
|
||||
SR_DEPTH : POSITIVE;
|
||||
SR_INIT : STD_LOGIC
|
||||
);
|
||||
Port (
|
||||
|
||||
---------- Reset/Clock ----------
|
||||
reset : IN STD_LOGIC;
|
||||
clk : IN STD_LOGIC;
|
||||
---------------------------------
|
||||
|
||||
------------- Data --------------
|
||||
din : IN STD_LOGIC;
|
||||
dout : OUT STD_LOGIC
|
||||
---------------------------------
|
||||
|
||||
);
|
||||
END COMPONENT;
|
||||
----------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
------------------------- Signal Declaration -------------------------
|
||||
|
||||
---------- Reset/Clock ----------
|
||||
signal reset : STD_LOGIC := RESET_ON;
|
||||
signal clk : STD_LOGIC := '1';
|
||||
---------------------------------
|
||||
|
||||
|
||||
-------- ShiftRegister_v1 -------
|
||||
signal dut1_din : STD_LOGIC := '0';
|
||||
signal dut1_dout : STD_LOGIC;
|
||||
---------------------------------
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
begin
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
------------------- Device Under Test (DUT) Wrapper ------------------
|
||||
|
||||
------------ DUT v1 --------------
|
||||
dut1_ShiftRegister_v1 : ShiftRegister_v1
|
||||
|
||||
Generic Map(
|
||||
SR_DEPTH => DUT1_SR_DEPTH,
|
||||
SR_INIT => DUT1_SR_INIT
|
||||
)
|
||||
Port Map(
|
||||
|
||||
---------- Reset/Clock ----------
|
||||
reset => reset,
|
||||
clk => clk,
|
||||
---------------------------------
|
||||
|
||||
------------- Data --------------
|
||||
din => dut1_din,
|
||||
dout => dut1_dout
|
||||
---------------------------------
|
||||
|
||||
);
|
||||
----------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
|
||||
-------------------------- Signals Generation -------------------------
|
||||
|
||||
|
||||
------ TB Clk Generation -------
|
||||
|
||||
clk <= not clk after CLK_PERIOD/2;
|
||||
---------------------------------
|
||||
|
||||
|
||||
----- TB Reset Generation ------
|
||||
reset_wave : process
|
||||
begin
|
||||
|
||||
reset <= '1';
|
||||
wait for RESET_WND;
|
||||
|
||||
reset <= '0';
|
||||
wait;
|
||||
|
||||
end process;
|
||||
---------------------------------
|
||||
|
||||
|
||||
|
||||
-- TB din pattern Generation ---
|
||||
dut1_din_pattern : process
|
||||
begin
|
||||
|
||||
-- wait the reset window
|
||||
dut1_din <= '0';
|
||||
wait for RESET_WND;
|
||||
|
||||
|
||||
-- Start
|
||||
dut1_din <= '0';
|
||||
wait for CLK_PERIOD;
|
||||
|
||||
dut1_din <= '1';
|
||||
wait for 4*CLK_PERIOD;
|
||||
|
||||
dut1_din <= '0';
|
||||
wait for 8*CLK_PERIOD;
|
||||
|
||||
-- Etc...
|
||||
|
||||
-- Stop
|
||||
wait;
|
||||
|
||||
end process;
|
||||
---------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
end Behavioral;
|
||||
198
LAB0/tb_ShiftRegister/tb_ShiftRegister_v2.vhd
Normal file
198
LAB0/tb_ShiftRegister/tb_ShiftRegister_v2.vhd
Normal file
@@ -0,0 +1,198 @@
|
||||
----------------------------------------------------------------------------------
|
||||
-- Company:
|
||||
-- Engineer:
|
||||
--
|
||||
-- Create Date: 07.03.2019 16:39:28
|
||||
-- Design Name:
|
||||
-- Module Name: tb_ShiftRegister_v2 - Behavioral
|
||||
-- Project Name:
|
||||
-- Target Devices:
|
||||
-- Tool Versions:
|
||||
-- Description:
|
||||
--
|
||||
-- Dependencies:
|
||||
--
|
||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
|
||||
-- Additional Comments:
|
||||
--
|
||||
----------------------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
library IEEE;
|
||||
use IEEE.STD_LOGIC_1164.ALL;
|
||||
|
||||
-- Uncomment the following library declaration if using
|
||||
-- arithmetic functions with Signed or Unsigned values
|
||||
use IEEE.NUMERIC_STD.ALL;
|
||||
|
||||
-- Uncomment the following library declaration if instantiating
|
||||
-- any Xilinx leaf cells in this code.
|
||||
--library UNISIM;
|
||||
--use UNISIM.VComponents.all;
|
||||
|
||||
entity tb_ShiftRegister_v2 is
|
||||
end tb_ShiftRegister_v2;
|
||||
|
||||
architecture Behavioral of tb_ShiftRegister_v2 is
|
||||
|
||||
------------------------ Constant Declaration -------------------------
|
||||
|
||||
-- Constant For Test Bench (TB) --
|
||||
constant RESET_ON : STD_LOGIC := '1';
|
||||
|
||||
constant CLK_PERIOD : time := 10 ns;
|
||||
constant RESET_WND : time := 100 ns;
|
||||
----------------------------------
|
||||
|
||||
------ Constant For DUT v2 ------
|
||||
constant DUT2_SR_WIDTH : NATURAL := 8;
|
||||
constant DUT2_SR_DEPTH : POSITIVE := 4;
|
||||
constant DUT2_SR_INIT : STD_LOGIC := '0';
|
||||
----------------------------------
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
----------------- Device Under Test (DUT) Declaration ----------------
|
||||
|
||||
------------ DUT v2 --------------
|
||||
COMPONENT ShiftRegister_v2
|
||||
Generic(
|
||||
SR_WIDTH : NATURAL := 7;
|
||||
SR_DEPTH : POSITIVE := 4;
|
||||
SR_INIT : STD_LOGIC := '0'
|
||||
);
|
||||
Port (
|
||||
|
||||
---------- Reset/Clock ----------
|
||||
reset : IN STD_LOGIC;
|
||||
clk : IN STD_LOGIC;
|
||||
---------------------------------
|
||||
|
||||
------------- Data --------------
|
||||
din : IN STD_LOGIC_VECTOR(SR_WIDTH-1 downto 0);
|
||||
dout : OUT STD_LOGIC_VECTOR(SR_WIDTH-1 downto 0)
|
||||
---------------------------------
|
||||
|
||||
);
|
||||
END COMPONENT;
|
||||
----------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
------------------------- Signal Declaration -------------------------
|
||||
|
||||
---------- Reset/Clock ----------
|
||||
signal reset : STD_LOGIC := RESET_ON;
|
||||
signal clk : STD_LOGIC := '1';
|
||||
---------------------------------
|
||||
|
||||
|
||||
-------- ShiftRegister_v2 -------
|
||||
signal dut2_din : STD_LOGIC_VECTOR(DUT2_SR_WIDTH-1 downto 0) := (Others => '0');
|
||||
signal dut2_dout : STD_LOGIC_VECTOR(DUT2_SR_WIDTH-1 downto 0);
|
||||
---------------------------------
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
begin
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
------------------- Device Under Test (DUT) Wrapper ------------------
|
||||
|
||||
------------ DUT v2 --------------
|
||||
dut2_ShiftRegister_v2 : ShiftRegister_v2
|
||||
|
||||
Generic Map(
|
||||
SR_WIDTH => DUT2_SR_WIDTH,
|
||||
SR_DEPTH => DUT2_SR_DEPTH,
|
||||
SR_INIT => DUT2_SR_INIT
|
||||
)
|
||||
Port Map(
|
||||
|
||||
---------- Reset/Clock ----------
|
||||
reset => reset,
|
||||
clk => clk,
|
||||
---------------------------------
|
||||
|
||||
------------- Data --------------
|
||||
din => dut2_din,
|
||||
dout => dut2_dout
|
||||
---------------------------------
|
||||
|
||||
);
|
||||
----------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
|
||||
-------------------------- Signals Generation -------------------------
|
||||
|
||||
|
||||
------ TB Clk Generation -------
|
||||
|
||||
clk <= not clk after CLK_PERIOD/2;
|
||||
---------------------------------
|
||||
|
||||
|
||||
----- TB Reset Generation ------
|
||||
reset_wave : process
|
||||
begin
|
||||
|
||||
reset <= '1';
|
||||
wait for RESET_WND;
|
||||
|
||||
reset <= '0';
|
||||
wait;
|
||||
|
||||
end process;
|
||||
---------------------------------
|
||||
|
||||
|
||||
|
||||
-- TB din pattern Generation ---
|
||||
dut2_din_pattern : process
|
||||
begin
|
||||
|
||||
-- wait the reset window
|
||||
dut2_din <= (Others => '0');
|
||||
wait for RESET_WND;
|
||||
|
||||
-- Start
|
||||
dut2_din <= (Others => '0');
|
||||
wait for CLK_PERIOD;
|
||||
|
||||
dut2_din <= (Others => '1');
|
||||
wait for 4*CLK_PERIOD;
|
||||
|
||||
dut2_din <= (Others => '0');
|
||||
wait for 8*CLK_PERIOD;
|
||||
|
||||
-- Etc...
|
||||
|
||||
-- Stop
|
||||
wait;
|
||||
|
||||
end process;
|
||||
---------------------------------
|
||||
|
||||
|
||||
----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
end Behavioral;
|
||||
81
LAB1/basys3_master.xdc
Normal file
81
LAB1/basys3_master.xdc
Normal file
@@ -0,0 +1,81 @@
|
||||
# This file is a general .xdc for the Basys3 rev B board
|
||||
# To use it in a project:
|
||||
# - uncomment the lines corresponding to used pins
|
||||
# - rename the used ports (in each line, after get_ports) according to the top level signal names in the project
|
||||
|
||||
# Clock signal
|
||||
set_property PACKAGE_PIN W5 [get_ports clk]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports clk]
|
||||
create_clock -period 10.000 -name sys_clk_pin -waveform {0.000 5.000} -add [get_ports clk]
|
||||
|
||||
# Reset signal
|
||||
set_property PACKAGE_PIN U18 [get_ports reset]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports reset]
|
||||
|
||||
# Switches
|
||||
set_property PACKAGE_PIN V17 [get_ports {sw[0]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[0]}]
|
||||
set_property PACKAGE_PIN V16 [get_ports {sw[1]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[1]}]
|
||||
set_property PACKAGE_PIN W16 [get_ports {sw[2]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[2]}]
|
||||
set_property PACKAGE_PIN W17 [get_ports {sw[3]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[3]}]
|
||||
set_property PACKAGE_PIN W15 [get_ports {sw[4]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[4]}]
|
||||
set_property PACKAGE_PIN V15 [get_ports {sw[5]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[5]}]
|
||||
set_property PACKAGE_PIN W14 [get_ports {sw[6]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[6]}]
|
||||
set_property PACKAGE_PIN W13 [get_ports {sw[7]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[7]}]
|
||||
set_property PACKAGE_PIN V2 [get_ports {sw[8]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[8]}]
|
||||
set_property PACKAGE_PIN T3 [get_ports {sw[9]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[9]}]
|
||||
set_property PACKAGE_PIN T2 [get_ports {sw[10]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[10]}]
|
||||
set_property PACKAGE_PIN R3 [get_ports {sw[11]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[11]}]
|
||||
set_property PACKAGE_PIN W2 [get_ports {sw[12]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[12]}]
|
||||
set_property PACKAGE_PIN U1 [get_ports {sw[13]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[13]}]
|
||||
set_property PACKAGE_PIN T1 [get_ports {sw[14]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[14]}]
|
||||
set_property PACKAGE_PIN R2 [get_ports {sw[15]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {sw[15]}]
|
||||
|
||||
# LEDs
|
||||
set_property PACKAGE_PIN U16 [get_ports {led[0]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[0]}]
|
||||
set_property PACKAGE_PIN E19 [get_ports {led[1]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[1]}]
|
||||
set_property PACKAGE_PIN U19 [get_ports {led[2]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[2]}]
|
||||
set_property PACKAGE_PIN V19 [get_ports {led[3]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[3]}]
|
||||
set_property PACKAGE_PIN W18 [get_ports {led[4]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[4]}]
|
||||
set_property PACKAGE_PIN U15 [get_ports {led[5]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[5]}]
|
||||
set_property PACKAGE_PIN U14 [get_ports {led[6]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[6]}]
|
||||
set_property PACKAGE_PIN V14 [get_ports {led[7]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[7]}]
|
||||
set_property PACKAGE_PIN V13 [get_ports {led[8]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[8]}]
|
||||
set_property PACKAGE_PIN V3 [get_ports {led[9]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[9]}]
|
||||
set_property PACKAGE_PIN W3 [get_ports {led[10]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[10]}]
|
||||
set_property PACKAGE_PIN U3 [get_ports {led[11]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[11]}]
|
||||
set_property PACKAGE_PIN P3 [get_ports {led[12]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[12]}]
|
||||
set_property PACKAGE_PIN N3 [get_ports {led[13]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[13]}]
|
||||
set_property PACKAGE_PIN P1 [get_ports {led[14]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[14]}]
|
||||
set_property PACKAGE_PIN L1 [get_ports {led[15]}]
|
||||
set_property IOSTANDARD LVCMOS33 [get_ports {led[15]}]
|
||||
@@ -0,0 +1,80 @@
|
||||
---------- DEFAULT LIBRARY ---------
|
||||
LIBRARY IEEE;
|
||||
USE IEEE.STD_LOGIC_1164.ALL;
|
||||
USE IEEE.NUMERIC_STD.ALL;
|
||||
------------------------------------
|
||||
|
||||
ENTITY KittCar IS
|
||||
GENERIC (
|
||||
|
||||
CLK_PERIOD_NS : POSITIVE RANGE 1 TO 100 := 10; -- clk period in nanoseconds
|
||||
MIN_KITT_CAR_STEP_MS : POSITIVE RANGE 1 TO 2000 := 1; -- Minimum step period in milliseconds (i.e., value in milliseconds of Delta_t)
|
||||
|
||||
NUM_OF_SWS : INTEGER RANGE 1 TO 16 := 16; -- Number of input switches
|
||||
NUM_OF_LEDS : INTEGER RANGE 1 TO 16 := 16 -- Number of output LEDs
|
||||
|
||||
);
|
||||
PORT (
|
||||
|
||||
------- Reset/Clock --------
|
||||
reset : IN STD_LOGIC;
|
||||
clk : IN STD_LOGIC;
|
||||
----------------------------
|
||||
|
||||
-------- LEDs/SWs ----------
|
||||
sw : IN STD_LOGIC_VECTOR(NUM_OF_SWS - 1 DOWNTO 0); -- Switches avaiable on Basys3
|
||||
led : OUT STD_LOGIC_VECTOR(NUM_OF_LEDS - 1 DOWNTO 0) -- LEDs avaiable on Basys3
|
||||
----------------------------
|
||||
|
||||
);
|
||||
END KittCar;
|
||||
|
||||
ARCHITECTURE Behavioral OF KittCar IS
|
||||
SIGNAL leds_sr : STD_LOGIC_VECTOR(led'RANGE) := (OTHERS => '0');
|
||||
SIGNAL counter : UNSIGNED(47 DOWNTO 0) := (OTHERS => '0');
|
||||
SIGNAL n_period : POSITIVE RANGE 1 TO 2 ** NUM_OF_SWS := 1;
|
||||
BEGIN
|
||||
|
||||
PROCESS (clk, reset)
|
||||
VARIABLE up : STD_LOGIC := '1';
|
||||
BEGIN
|
||||
-- up/down logic
|
||||
IF leds_sr(NUM_OF_LEDS - 1) = '1' THEN
|
||||
up := '0';
|
||||
ELSIF leds_sr(0) = '1' THEN
|
||||
up := '1';
|
||||
END IF;
|
||||
|
||||
-- Reset the leds
|
||||
IF unsigned(leds_sr) = 0 THEN
|
||||
leds_sr <= (0 => '1', OTHERS => '0');
|
||||
END IF;
|
||||
|
||||
IF reset = '1' THEN
|
||||
leds_sr <= (OTHERS => '0');
|
||||
up := '1';
|
||||
counter <= (OTHERS => '0');
|
||||
ELSIF rising_edge(clk) THEN
|
||||
-- Calculate the number of periods
|
||||
IF counter >= ((MIN_KITT_CAR_STEP_MS * 1000000) * n_period) THEN
|
||||
counter <= (OTHERS => '0');
|
||||
-- Shift the leds
|
||||
IF up = '1' THEN
|
||||
leds_sr <= leds_sr(NUM_OF_LEDS - 2 DOWNTO 0) & '0';
|
||||
ELSIF up = '0' THEN
|
||||
leds_sr <= '0' & leds_sr(NUM_OF_LEDS - 1 DOWNTO 1);
|
||||
END IF;
|
||||
ELSE
|
||||
counter <= counter + to_unsigned(CLK_PERIOD_NS, counter'LENGTH);
|
||||
END IF;
|
||||
END IF;
|
||||
END PROCESS;
|
||||
|
||||
PROCESS (sw)
|
||||
BEGIN
|
||||
n_period <= to_integer(unsigned(sw)) + 1;
|
||||
END PROCESS;
|
||||
|
||||
led <= leds_sr;
|
||||
|
||||
END Behavioral;
|
||||
Reference in New Issue
Block a user