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[/] [qaz_libs/] [trunk/] [BFM/] [src/] [axis_video_frame/] [avf_slave_driver.svh] - Rev 45

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//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////
////                                                              ////
//// This source file may be used and distributed without         ////
//// restriction provided that this copyright statement is not    ////
//// removed from the file and that any derivative work contains  ////
//// the original copyright notice and the associated disclaimer. ////
////                                                              ////
//// This source file is free software; you can redistribute it   ////
//// and/or modify it under the terms of the GNU Lesser General   ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any   ////
//// later version.                                               ////
////                                                              ////
//// This source is distributed in the hope that it will be       ////
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
//// PURPOSE.  See the GNU Lesser General Public License for more ////
//// details.                                                     ////
////                                                              ////
//// You should have received a copy of the GNU Lesser General    ////
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//////////////////////////////////////////////////////////////////////

class avf_slave_driver #(N, U)
  extends uvm_driver #(avf_sequence_item);
   `uvm_component_param_utils(avf_slave_driver #(N, U))

  // --------------------------------------------------------------------
  virtual axis_if #(.N(N), .U(U)) vif;

  //--------------------------------------------------------------------
  function void set_default;
    vif.cb_s.tready <= 0;
  endfunction: set_default

  //--------------------------------------------------------------------
  virtual task run_phase(uvm_phase phase);
    avf_sequence_item item;
    super.run_phase(phase);

    set_default();

    forever
    begin
      wait(vif.aresetn);
      seq_item_port.get_next_item(item);
      vif.zero_cycle_delay();

      repeat(item.delay_h.get(item.slave_delay))
        @(vif.cb_m);

      vif.cb_s.tready <= 1;

      repeat(item.delay_h.get(item.slave_delay))
        @(vif.cb_m);

      vif.cb_s.tready <= 0;
      seq_item_port.item_done();
    end
  endtask : run_phase

  //--------------------------------------------------------------------
  function new(string name, uvm_component parent);
    super.new(name, parent);
  endfunction

// --------------------------------------------------------------------
endclass : avf_slave_driver

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