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 s_avf_api

  extends uvm_sequence #(avf_sequence_item);

  `uvm_object_utils(s_avf_api)

  avf_sequence_item item;

  mailbox #(video_frame_class) frame_buffer;

  // --------------------------------------------------------------------

  video_frame_config c_h;

  function void init(video_frame_config c_h);

    this.c_h = c_h;

  endfunction : init

  // --------------------------------------------------------------------

  task automatic put_frame(string pattern, int pixel = 0);

    video_frame_class f_h = new;

    f_h.init( c_h.pixels_per_line

            , c_h.lines_per_frame

            , c_h.bits_per_pixel

            , c_h.pixels_per_clk

            );

    case(pattern.tolower)

      "constant":   f_h.make_constant(pixel);

      "counting":   f_h.make_counting();

      "horizontal": f_h.make_horizontal();

      "vertical":   f_h.make_vertical();

      "random":     f_h.make_random();

      default:      `uvm_fatal(get_name(), "Pattern not supported!")

    endcase

    frame_buffer.put(f_h);

    uvm_report_info(get_name(), $sformatf("| put_frame(%s)", pattern.tolower));

  endtask: put_frame

  // --------------------------------------------------------------------

  task send_frame_buffer( uvm_sequencer_base seqr

                        , uvm_sequence_base parent = null

                        );

    this.start(seqr, parent);

  endtask

  // --------------------------------------------------------------------

  task body();

    item = avf_sequence_item::type_id::create("avf_sequence_item");

    start_item(item);

    if(frame_buffer.num() != 0)

      item.frame_buffer = this.frame_buffer;

    finish_item(item);

  endtask

  // --------------------------------------------------------------------

  function new(string name = "s_avf_api");

    super.new(name);

    frame_buffer = new;

  endfunction

// --------------------------------------------------------------------

endclass : s_avf_api