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

Subversion Repositories qaz_libs

[/] [qaz_libs/] [trunk/] [BFM/] [src/] [axis_video_frame/] [s_avf_api.svh] - Blame information for rev 47

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 45 qaztronic
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
//// Copyright (C) 2018 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_avf_api
29
  extends uvm_sequence #(avf_sequence_item);
30
  `uvm_object_utils(s_avf_api)
31
 
32
  avf_sequence_item item;
33 47 qaztronic
  mailbox #(video_frame_class) frame_buffer;
34 45 qaztronic
 
35
  // --------------------------------------------------------------------
36 47 qaztronic
  video_frame_config c_h;
37 45 qaztronic
 
38 47 qaztronic
  function void init(video_frame_config c_h);
39
    this.c_h = c_h;
40 45 qaztronic
  endfunction : init
41
 
42
  // --------------------------------------------------------------------
43
  task automatic put_frame(string pattern, int pixel = 0);
44
    video_frame_class f_h = new;
45 47 qaztronic
    f_h.init( c_h.pixels_per_line
46
            , c_h.lines_per_frame
47
            , c_h.bits_per_pixel
48
            , c_h.pixels_per_clk
49 45 qaztronic
            );
50
    case(pattern.tolower)
51
      "constant":   f_h.make_constant(pixel);
52
      "counting":   f_h.make_counting();
53
      "horizontal": f_h.make_horizontal();
54
      "vertical":   f_h.make_vertical();
55
      "random":     f_h.make_random();
56
      default:      `uvm_fatal(get_name(), "Pattern not supported!")
57
    endcase
58
 
59
    frame_buffer.put(f_h);
60
    uvm_report_info(get_name(), $sformatf("| put_frame(%s)", pattern.tolower));
61
  endtask: put_frame
62
 
63
  // --------------------------------------------------------------------
64
  task send_frame_buffer( uvm_sequencer_base seqr
65
                        , uvm_sequence_base parent = null
66
                        );
67
    this.start(seqr, parent);
68
  endtask
69
 
70
  // --------------------------------------------------------------------
71
  task body();
72
    item = avf_sequence_item::type_id::create("avf_sequence_item");
73
    start_item(item);
74
    if(frame_buffer.num() != 0)
75
      item.frame_buffer = this.frame_buffer;
76
    finish_item(item);
77
  endtask
78
 
79
  // --------------------------------------------------------------------
80
  function new(string name = "s_avf_api");
81
    super.new(name);
82
    frame_buffer = new;
83
  endfunction
84
 
85
// --------------------------------------------------------------------
86
endclass : s_avf_api

powered by: WebSVN 2.1.0

© copyright 1999-2020 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.