OpenCores
URL https://opencores.org/ocsvn/qaz_libs/qaz_libs/trunk

Subversion Repositories qaz_libs

[/] [qaz_libs/] [trunk/] [BFM/] [src/] [anf/] [s_anf_api.svh] - Blame information for rev 49

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 49 qaztronic
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
//// Copyright (C) 2019 Authors and OPENCORES.ORG                 ////
4
////                                                              ////
5
//// This source file may be used and distributed without         ////
6
//// restriction provided that this copyright statement is not    ////
7
//// removed from the file and that any derivative work contains  ////
8
//// the original copyright notice and the associated disclaimer. ////
9
////                                                              ////
10
//// This source file is free software; you can redistribute it   ////
11
//// and/or modify it under the terms of the GNU Lesser General   ////
12
//// Public License as published by the Free Software Foundation; ////
13
//// either version 2.1 of the License, or (at your option) any   ////
14
//// later version.                                               ////
15
////                                                              ////
16
//// This source is distributed in the hope that it will be       ////
17
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
18
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
19
//// PURPOSE.  See the GNU Lesser General Public License for more ////
20
//// details.                                                     ////
21
////                                                              ////
22
//// You should have received a copy of the GNU Lesser General    ////
23
//// Public License along with this source; if not, download it   ////
24
//// from http://www.opencores.org/lgpl.shtml                     ////
25
////                                                              ////
26
//////////////////////////////////////////////////////////////////////
27
 
28
class s_anf_api #(type T = shortreal) extends s_avf_api;
29
  `uvm_object_param_utils(s_anf_api #(T))
30
 
31
 
32
  // --------------------------------------------------------------------
33
  function numeric_frame#(T) new_frame;
34
    numeric_frame #(T) f_h = new();
35
    f_h.init( '{c_h.lines_per_frame, c_h.pixels_per_line}
36
            , c_h.pixels_per_clk
37
            );
38
    return f_h;
39
  endfunction
40
 
41
  // --------------------------------------------------------------------
42
  task put_array(numeric_frame #(T) f_h);
43
    f_h.make_2d_frame();
44
    frame_buffer.put(f_h);
45
  endtask
46
 
47
  // --------------------------------------------------------------------
48
  task automatic put_test_pattern(string pattern, T value = 0.0);
49
    numeric_frame #(T) f_h = new();
50
    f_h.init( '{c_h.lines_per_frame, c_h.pixels_per_line}
51
            , c_h.pixels_per_clk
52
            );
53
    case(pattern.tolower)
54
      "constant":   f_h.a_h.make_2d_constant(value);
55
      // "counting":   f_h.make_counting();
56
      // "horizontal": f_h.make_horizontal();
57
      // "vertical":   f_h.make_vertical();
58
      // "random":     f_h.make_random();
59
      default:      `uvm_fatal(get_name(), "Pattern not supported!")
60
    endcase
61
    f_h.make_2d_frame();
62
    frame_buffer.put(f_h);
63
    uvm_report_info(get_name(), $sformatf("| put_test_pattern(%s)", pattern.tolower));
64
  endtask
65
 
66
  // --------------------------------------------------------------------
67
  task load_from_file(string file_name);
68
    byte mem[3:0];
69
    integer fd;
70
    integer code;
71
    int x, y;
72
    numeric_frame #(T) f_h = new();
73
 
74
    fd = $fopen(file_name, "rb");
75
    f_h.init( '{c_h.lines_per_frame, c_h.pixels_per_line}
76
            , c_h.pixels_per_clk
77
            );
78
    f_h = new_frame();
79
 
80
    for(int i = 0; $feof(fd) == 0; i++)
81
    begin
82
      code = $fread(mem, fd);
83
      y = i / c_h.pixels_per_line;
84
      x = i % c_h.pixels_per_line;
85
      f_h.lines[y].pixel[x] = {>>{mem}};
86
    end
87
 
88
    frame_buffer.put(f_h);
89
    $fclose(fd);
90
  endtask
91
 
92
  // --------------------------------------------------------------------
93
  function new(string name = "s_anf_api");
94
    super.new(name);
95
  endfunction
96
 
97
// --------------------------------------------------------------------
98
endclass

powered by: WebSVN 2.1.0

© copyright 1999-2019 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.