Subversion Repositories qaz_libs

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//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////

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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