Subversion Repositories eco32

//

// eco32test.v -- test bench for ECO32

//

`timescale 1ns/10ps

`default_nettype none

module eco32test;

  integer fd;                   // file descriptor

  integer fr;                   // result of file operation

  time duration;                // duration of simulation

  reg clk_in;                   // clock, input, 50 MHz

  reg rst_in_n;                 // reset, input, active low

  // simulation control

  initial begin

    #0          $dumpfile("dump.vcd");

                $dumpvars(0, eco32test);

                fd = $fopen("duration.dat", "r");

                fr = $fscanf(fd, "%d", duration);

                $fclose(fd);

                clk_in = 1;

                rst_in_n = 0;

    #145        rst_in_n = 1;

    #duration   $finish;

  end

  // clock generator

  always begin

    #10 clk_in = ~clk_in;       // 20 nsec cycle time

  end

  // create an instance of ECO32

  eco32 eco32_1(

    .clk_in(clk_in),

    .rst_in_n(rst_in_n)

  );

endmodule