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[/] [qaz_libs/] [trunk/] [BFM/] [src/] [SPI/] [spi_if.sv] - Rev 49

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

interface
  spi_if();
  import uvm_pkg::*;
  `include "uvm_macros.svh"
  import tb_spi_pkg::*;

  // --------------------------------------------------------------------
  logic sclk;
  logic ss_n;
  logic mosi;
  logic miso;

  // --------------------------------------------------------------------
  time period = 40ns;

  // --------------------------------------------------------------------
  default clocking cb_rise @(posedge sclk);
    inout ss_n;
    output mosi;
    input miso;
  endclocking

  // --------------------------------------------------------------------
  clocking cb_fall @(negedge sclk);
    inout ss_n;
    output mosi;
    input miso;
  endclocking

  // --------------------------------------------------------------------
  task zero_cycle_delay;
    ##0;
  endtask: zero_cycle_delay

// --------------------------------------------------------------------
endinterface

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