Subversion Repositories qaz_libs

//////////////////////////////////////////////////////////////////////
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//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////
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//// This source file is free software; you can redistribute it   ////
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//////////////////////////////////////////////////////////////////////

class vf_8b10b_monitor extends uvm_component;
  `uvm_component_utils(vf_8b10b_monitor);

  virtual deserializer_8b10b_bfm_if vif;
  vf_8b10b_config cfg_h;
  uvm_analysis_port #(vf_8b10b_sequence_item) ap;

  // --------------------------------------------------------------------
  function new (string name, uvm_component parent);
    super.new(name,parent);
  endfunction

  // --------------------------------------------------------------------
  function void build_phase(uvm_phase phase);
    ap = new("ap", this);
  endfunction : build_phase

  // --------------------------------------------------------------------
  task run_phase(uvm_phase phase);
    bit got_new_frame = 0;
    int l = 0;
    int p = 0;
    vf_8b10b_sequence_item item;
    video_frame_class f_h;
    f_h = new();
    f_h.init( cfg_h.pixels_per_line
                    , cfg_h.lines_per_frame
                    , cfg_h.bits_per_pixel
                    );

    forever @(vif.cb iff vif.cb.dataout_valid)
    begin
      if(vif.dataout == cfg_h.sof_8b)
      begin
        item = vf_8b10b_sequence_item::type_id::create("item");
        item.f_h = f_h.clone;
        item.sof_timestamp = $time;
        got_new_frame = 1;
      end

      if(~vif.dataout[8] & got_new_frame)
      begin
        item.f_h.lines[l].pixel[p] = vif.dataout[7:0];
        p++;
      end

      if(vif.dataout == cfg_h.eol_8b)
      begin
        l++;
        p = 0;
      end

      if(vif.dataout == cfg_h.eof_8b)
      begin
        got_new_frame = 0;
        l = 0;
        p = 0;
        ap.write(item);
      end
    end
  endtask : run_phase

// --------------------------------------------------------------------
endclass : vf_8b10b_monitor