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