/*
 * Design: ECE 274 - Testbench for LED Sequencer (Design Challenge 3)
 * Author: Roman Lysecky 
 * Copyright 2009, All Rights Reserved
 *
 * Date: November 2, 2009
 *
 */
 
`timescale 1ns/1ns
module Testbench();

   reg Clk_s, Rst_s;
   reg [7:0] OffTime_s, OnTime_s;
   reg En_s;
   wire LED_s;
   
   LEDSequencer CompToTest(Clk_s, Rst_s, En_s, OnTime_s, OffTime_s, LED_s);

   // Clock Procedure
   always begin
      Clk_s <= 1;
      #5;
      Clk_s <= 0;
      #5;
   end
   
   // Test Vector Procedure
   initial begin
      // Reset and initialize signals
      Rst_s <= 1;
      OnTime_s <= 0;
      OffTime_s <= 0;
      En_s <= 0;
      @(posedge Clk_s);
      #1;
      
      // Start normal operation
      Rst_s <= 0;
      @(posedge Clk_s);
      #1;

      // Enable seqeuncer with specific on and off times
      OnTime_s <= 3;
      OffTime_s <= 4;
      En_s <= 1;
      @(posedge Clk_s);
      #1;
      
   end
endmodule