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[/] [qaz_libs/] [trunk/] [BFM/] [src/] [8b10b/] [video_frame/] [vf_8b10b_monitor.svh] - Blame information for rev 46

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1 46 qaztronic
//////////////////////////////////////////////////////////////////////
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////                                                              ////
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//// Copyright (C) 2018 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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class vf_8b10b_monitor extends uvm_component;
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  `uvm_component_utils(vf_8b10b_monitor);
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  virtual deserializer_8b10b_bfm_if vif;
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  vf_8b10b_config cfg_h;
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  uvm_analysis_port #(vf_8b10b_sequence_item) ap;
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  // --------------------------------------------------------------------
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  function new (string name, uvm_component parent);
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    super.new(name,parent);
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  endfunction
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  // --------------------------------------------------------------------
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  function void build_phase(uvm_phase phase);
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    ap = new("ap", this);
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  endfunction : build_phase
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  // --------------------------------------------------------------------
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  task run_phase(uvm_phase phase);
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    bit got_new_frame = 0;
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    int l = 0;
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    int p = 0;
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    vf_8b10b_sequence_item item;
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    video_frame_class f_h;
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    f_h = new();
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    f_h.init( cfg_h.pixels_per_line
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                    , cfg_h.lines_per_frame
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                    , cfg_h.bits_per_pixel
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                    );
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    forever @(vif.cb iff vif.cb.dataout_valid)
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    begin
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      if(vif.dataout == cfg_h.sof_8b)
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      begin
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        item = vf_8b10b_sequence_item::type_id::create("item");
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        item.f_h = f_h.clone;
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        item.sof_timestamp = $time;
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        got_new_frame = 1;
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      end
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      if(~vif.dataout[8] & got_new_frame)
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      begin
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        item.f_h.lines[l].pixel[p] = vif.dataout[7:0];
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        p++;
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      end
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      if(vif.dataout == cfg_h.eol_8b)
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      begin
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        l++;
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        p = 0;
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      end
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      if(vif.dataout == cfg_h.eof_8b)
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      begin
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        got_new_frame = 0;
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        l = 0;
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        p = 0;
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        ap.write(item);
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      end
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    end
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  endtask : run_phase
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// --------------------------------------------------------------------
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endclass : vf_8b10b_monitor

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