///////////////////////////////////////////////////////////////// // Author - Imants Pulkstenis // Date - 04.04.2020 // Project name - Audio FFT on FPGA // Module name - Test Bench for top module // // Detailed module description: // This file is Test Bench for top module // // // Revision: // A - initial design // B - // C - // /////////////////////////////////////////////////////////////////// // 100MHz clock on Basys3 -> 10ns period // 50% duty cycle 5ns HIGH and 5ns LOW //`timescale [time unit] / [time precision] `timescale 10 ns / 1ns //sub modules `include "clock_divider_param.v" `include "clock_enable_param.v" `include "debounce_switch.v" //top module `include "top.v" module top_tb(); reg clk = 1'b0; // 50% duty cycle clock always #0.5 clk <= ~clk; top UUT( .clk(clk) ); initial begin #030_000; $display("*"); $display(" "); $display("Use this command to open timing diagram:"); $display("gtkwave -f wave.vcd"); $display("----------------------------------------------"); $finish(); end initial begin $display(" "); $display("----------------------------------------------"); $display(" Starting Testbench..."); $dumpfile("wave.vcd"); $dumpvars(0); end endmodule