test/testbed.vhd (df6d296) - mips_sys · BlinkenArea

testbed.vhd

LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
USE std.textio.all;
USE work.io_lcd_pins.all;

ENTITY e_testbed IS
END ENTITY e_testbed;

ARCHITECTURE a_testbed OF e_testbed IS

COMPONENT e_system IS
        PORT (
            rst:        IN  std_logic;
            clk:        IN  std_logic;
            pin_o_leds: OUT std_logic_vector(7 DOWNTO 0);
            pin_o_lcd:  OUT t_io_lcd_pins
        );
    END COMPONENT e_system;

SIGNAL s_rst:    std_logic;
    SIGNAL s_clk:    std_logic;
    SIGNAL pin_leds: std_logic_vector(7 DOWNTO 0);
    SIGNAL pin_lcd:  t_io_lcd_pins;

BEGIN

system: e_system
        PORT MAP (
            clk        => s_clk,
            rst        => s_rst,
            pin_o_leds => pin_leds,
            pin_o_lcd  => pin_lcd
        );

p_rst_clk: PROCESS
    BEGIN
        s_rst        <= '0';
        s_clk        <= '0';

WAIT FOR 10 ns;
        s_rst <= '1';
        WAIT FOR 10 ns;
        s_rst <= '0';

WHILE TRUE LOOP
            WAIT FOR 10 ns;
            s_clk <= '1';
            WAIT FOR 10 ns;
            s_clk <= '0';
        END LOOP;
    END PROCESS p_rst_clk;

END ARCHITECTURE a_testbed;

mips_sys

implemented LCD peripheral