Subversion Repositories qaz_libs

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//// Copyright (C) 2019 Authors and OPENCORES.ORG                 ////

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//// This source file is free software; you can redistribute it   ////

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//////////////////////////////////////////////////////////////////////

class s_anf_api #(type T = shortreal) extends s_avf_api;

  `uvm_object_param_utils(s_anf_api #(T))

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

  function numeric_frame#(T) new_frame;

    numeric_frame #(T) f_h = new();

    f_h.init( '{c_h.lines_per_frame, c_h.pixels_per_line}

            , c_h.pixels_per_clk

            );

    return f_h;

  endfunction

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

  task put_array(numeric_frame #(T) f_h);

    f_h.make_2d_frame();

    frame_buffer.put(f_h);

  endtask

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

  task automatic put_test_pattern(string pattern, T value = 0.0);

    numeric_frame #(T) f_h = new();

    f_h.init( '{c_h.lines_per_frame, c_h.pixels_per_line}

            , c_h.pixels_per_clk

            );

    case(pattern.tolower)

      "constant":   f_h.a_h.make_2d_constant(value);

      // "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

    f_h.make_2d_frame();

    frame_buffer.put(f_h);

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

  endtask

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

  task load_from_file(string file_name);

    byte mem[3:0];

    integer fd;

    integer code;

    int x, y;

    numeric_frame #(T) f_h = new();

    fd = $fopen(file_name, "rb");

    f_h.init( '{c_h.lines_per_frame, c_h.pixels_per_line}

            , c_h.pixels_per_clk

            );

    f_h = new_frame();

    for(int i = 0; $feof(fd) == 0; i++)

    begin

      code = $fread(mem, fd);

      y = i / c_h.pixels_per_line;

      x = i % c_h.pixels_per_line;

      f_h.lines[y].pixel[x] = {>>{mem}};

    end

    frame_buffer.put(f_h);

    $fclose(fd);

  endtask

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

  function new(string name = "s_anf_api");

    super.new(name);

  endfunction

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

endclass