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[/] [qaz_libs/] [trunk/] [BFM/] [sim/] [tests/] [tb_video_frame/] [the_test.sv] - Blame information for rev 34

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1 34 qaztronic
//////////////////////////////////////////////////////////////////////
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////                                                              ////
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//// Copyright (C) 2015 Authors and OPENCORES.ORG                 ////
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////                                                              ////
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//// This source file may be used and distributed without         ////
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//// restriction provided that this copyright statement is not    ////
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//// removed from the file and that any derivative work contains  ////
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//// the original copyright notice and the associated disclaimer. ////
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////                                                              ////
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//// This source file is free software; you can redistribute it   ////
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//// and/or modify it under the terms of the GNU Lesser General   ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any   ////
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//// later version.                                               ////
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////                                                              ////
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//// This source is distributed in the hope that it will be       ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
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//// PURPOSE.  See the GNU Lesser General Public License for more ////
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//// details.                                                     ////
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////                                                              ////
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//// You should have received a copy of the GNU Lesser General    ////
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//// Public License along with this source; if not, download it   ////
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//// from http://www.opencores.org/lgpl.shtml                     ////
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////                                                              ////
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//////////////////////////////////////////////////////////////////////
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`include "../../../src/video_frame_class.sv"
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module the_test(
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                input tb_clk,
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                input tb_rst
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              );
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  // --------------------------------------------------------------------
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  //
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  video_frame_class f_h;
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  video_frame_class fc_h;
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  int return_code;
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  initial
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  begin
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    f_h = new;
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    f_h.init
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    (
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      .pixels_per_line('h100),
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      .lines_per_frame('h080),
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      .bits_per_pixel(14)
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    );
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    f_h.make_random();
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    fc_h = new;
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    f_h.copy(fc_h);
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    return_code = f_h.compare( 16, fc_h );
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    if( return_code == 0 )
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      $display("^^^ %16.t | f_h == fc_h", $time );
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    else
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      $display("^^^ %16.t | f_h != fc_h | mismatches = %0d", $time, return_code );
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    $display("^^^ %16.t | inserting error @ fc_h[11][22]", $time );
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    fc_h.lines['h11].pixel['h22] = ~(fc_h.lines['h11].pixel['h22]);
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    $display("^^^ %16.t | inserting error @ fc_h[33][44]", $time );
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    fc_h.lines['h33].pixel['h44] = ~(fc_h.lines['h33].pixel['h44]);
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    return_code = f_h.compare( 16, fc_h );
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    if( return_code == 0 )
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      $display("^^^ %16.t | f_h == fc_h", $time );
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    else
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      $display("^^^ %16.t | f_h != fc_h | mismatches = %0d", $time, return_code );
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  end
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  // --------------------------------------------------------------------
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  //
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  task run_the_test;
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    begin
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// --------------------------------------------------------------------
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// insert test below
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// --------------------------------------------------------------------
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  $display("^^^---------------------------------");
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  $display("^^^ %16.t | Testbench begun.\n", $time);
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  $display("^^^---------------------------------");
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  repeat(1000) @(posedge tb_clk);
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// --------------------------------------------------------------------
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// insert test above
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// --------------------------------------------------------------------
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   end
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  endtask
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endmodule
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