//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//// ////
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//// ////
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//// Copyright (C) 2018 Authors and OPENCORES.ORG ////
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//// Copyright (C) 2018 Authors and OPENCORES.ORG ////
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//// ////
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//// ////
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//// This source file may be used and distributed without ////
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//// This source file may be used and distributed without ////
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//// restriction provided that this copyright statement is not ////
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//// restriction provided that this copyright statement is not ////
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//// removed from the file and that any derivative work contains ////
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//// removed from the file and that any derivative work contains ////
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//// the original copyright notice and the associated disclaimer. ////
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//// the original copyright notice and the associated disclaimer. ////
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//// ////
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//// ////
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//// This source file is free software; you can redistribute it ////
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//// This source file is free software; you can redistribute it ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// Public License as published by the Free Software Foundation; ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// later version. ////
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//// later version. ////
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//// ////
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//// ////
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//// This source is distributed in the hope that it will be ////
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//// This source is distributed in the hope that it will be ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// details. ////
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//// details. ////
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//// ////
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//// ////
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//// You should have received a copy of the GNU Lesser General ////
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//// You should have received a copy of the GNU Lesser General ////
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//// Public License along with this source; if not, download it ////
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//// Public License along with this source; if not, download it ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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class s_avf_api
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class s_avf_api
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extends uvm_sequence #(avf_sequence_item);
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extends uvm_sequence #(avf_sequence_item);
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`uvm_object_utils(s_avf_api)
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`uvm_object_utils(s_avf_api)
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avf_sequence_item item;
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avf_sequence_item item;
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// --------------------------------------------------------------------
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mailbox #(video_frame_class) frame_buffer;
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mailbox #(video_frame_class) frame_buffer;
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int pixels_per_line;
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int lines_per_frame;
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int bits_per_pixel;
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int bytes_per_pixel;
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int pixels_per_clk;
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function void init( int pixels_per_line
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video_frame_config c_h;
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, int lines_per_frame
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, int bits_per_pixel
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function void init(video_frame_config c_h);
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, int pixels_per_clk
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this.c_h = c_h;
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);
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this.pixels_per_line = pixels_per_line;
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this.lines_per_frame = lines_per_frame;
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this.bits_per_pixel = bits_per_pixel;
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this.bytes_per_pixel = (bits_per_pixel % 8 == 0)
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? (bits_per_pixel / 8)
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: (bits_per_pixel / 8) + 1;
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this.pixels_per_clk = pixels_per_clk;
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endfunction : init
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endfunction : init
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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task automatic put_frame(string pattern, int pixel = 0);
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task automatic put_frame(string pattern, int pixel = 0);
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video_frame_class f_h = new;
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video_frame_class f_h = new;
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f_h.init( pixels_per_line
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f_h.init( c_h.pixels_per_line
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, lines_per_frame
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, c_h.lines_per_frame
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, bits_per_pixel
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, c_h.bits_per_pixel
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, pixels_per_clk
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, c_h.pixels_per_clk
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);
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);
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case(pattern.tolower)
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case(pattern.tolower)
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"constant": f_h.make_constant(pixel);
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"constant": f_h.make_constant(pixel);
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"counting": f_h.make_counting();
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"counting": f_h.make_counting();
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"horizontal": f_h.make_horizontal();
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"horizontal": f_h.make_horizontal();
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"vertical": f_h.make_vertical();
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"vertical": f_h.make_vertical();
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"random": f_h.make_random();
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"random": f_h.make_random();
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default: `uvm_fatal(get_name(), "Pattern not supported!")
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default: `uvm_fatal(get_name(), "Pattern not supported!")
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endcase
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endcase
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frame_buffer.put(f_h);
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frame_buffer.put(f_h);
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uvm_report_info(get_name(), $sformatf("| put_frame(%s)", pattern.tolower));
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uvm_report_info(get_name(), $sformatf("| put_frame(%s)", pattern.tolower));
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endtask: put_frame
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endtask: put_frame
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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task send_frame_buffer( uvm_sequencer_base seqr
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task send_frame_buffer( uvm_sequencer_base seqr
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, uvm_sequence_base parent = null
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, uvm_sequence_base parent = null
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);
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);
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this.start(seqr, parent);
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this.start(seqr, parent);
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endtask
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endtask
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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task body();
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task body();
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item = avf_sequence_item::type_id::create("avf_sequence_item");
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item = avf_sequence_item::type_id::create("avf_sequence_item");
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start_item(item);
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start_item(item);
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if(frame_buffer.num() != 0)
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if(frame_buffer.num() != 0)
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item.frame_buffer = this.frame_buffer;
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item.frame_buffer = this.frame_buffer;
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finish_item(item);
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finish_item(item);
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endtask
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endtask
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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function new(string name = "s_avf_api");
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function new(string name = "s_avf_api");
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super.new(name);
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super.new(name);
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frame_buffer = new;
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frame_buffer = new;
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endfunction
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endfunction
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// --------------------------------------------------------------------
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// --------------------------------------------------------------------
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endclass : s_avf_api
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endclass : s_avf_api
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