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lt16lab/soc/testbench/warmup4.vhd

66 lines
1.4 KiB
VHDL

-- See the file "LICENSE" for the full license governing this code. --
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
ENTITY warmup4_tb IS
END ENTITY;
ARCHITECTURE sim OF warmup4_tb IS
constant CLK_PERIOD : time := 10 ns;
signal clk : std_logic := '0';
signal rst : std_logic;
signal led : std_logic_vector(7 downto 0);
signal btn : std_logic_vector(4 downto 0) := (others => '0');
signal sw : std_logic_vector(15 downto 0) := (others => '0');
signal anodes : std_logic_vector(7 downto 0);
signal cathodes : std_logic_vector(7 downto 0);
COMPONENT lt16soc_top IS
generic(
programfilename : string := "../../programs/scrolling.ram"
);
port(
clk : in std_logic;
rst : in std_logic;
led : out std_logic_vector(7 downto 0);
btn : in std_logic_vector(4 downto 0);
sw : in std_logic_vector(15 downto 0);
anodes : out std_logic_vector(7 downto 0);
cathodes : out std_logic_vector(7 downto 0)
);
END COMPONENT;
BEGIN
dut: lt16soc_top port map(
clk=>clk,
rst=>rst,
led=>led,
btn=>btn,
sw=>sw,
anodes=>anodes,
cathodes=>cathodes
);
clk_gen: process
begin
clk <= not clk;
wait for CLK_PERIOD/2;
end process clk_gen;
stimuli: process
begin
rst <= '0';
wait for CLK_PERIOD;
rst <= '1';
wait for 5ms;
assert false report "Simulation terminated!" severity failure;
end process stimuli;
END ARCHITECTURE;