Subversion Repositories qaz_libs

//////////////////////////////////////////////////////////////////////
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//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////
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//// This source file may be used and distributed without         ////
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//// This source file is free software; you can redistribute it   ////
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//// Public License as published by the Free Software Foundation; ////
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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