Subversion Repositories qaz_libs

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

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//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////

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

// --------------------------------------------------------------------

typedef enum {AVF_REQUEST, AVF_TRANSACTION} avf_sequence_item_t;

// --------------------------------------------------------------------

class avf_sequence_item

  extends uvm_sequence_item;

  `uvm_object_utils(avf_sequence_item)

  // --------------------------------------------------------------------

  avf_sequence_item_t kind = AVF_TRANSACTION;

  video_frame_class f_h;

  mailbox #(video_frame_class) frame_buffer;

  random_delay delay_h;

  random_delay_type_e sof_delay = REGULAR;

  random_delay_type_e eol_delay = REGULAR;

  random_delay_type_e eof_delay = REGULAR;

  random_delay_type_e pixel_delay = SPORADIC;

  random_delay_type_e slave_delay = REGULAR;

  // --------------------------------------------------------------------

  function int unsigned get_delay(bit eol, bit eof);

    if(eof)

      return(delay_h.get(eof_delay));

    else if(eol)

      return(delay_h.get(eol_delay));

    else

      return(delay_h.get(pixel_delay));

  endfunction : get_delay

  // --------------------------------------------------------------------

  function new(string name = "");

    super.new(name);

    delay_h = new();

  endfunction : new

  // // --------------------------------------------------------------------

  // function bit do_compare(uvm_object rhs, uvm_comparer comparer);

    // avf_sequence_item tested;

    // bit same;

    // if (rhs==null)

      // `uvm_fatal(get_type_name(), "| %m | comparison to a null pointer");

    // if (!$cast(tested,rhs))

      // same = 0;

    // else

      // same  = super.do_compare(rhs, comparer);

    // return same;

  // endfunction : do_compare

  // // --------------------------------------------------------------------

  // function void do_copy(uvm_object rhs);

    // avf_sequence_item item;

    // assert(rhs != null) else

      // `uvm_fatal(get_type_name(), "| %m | copy null transaction");

    // super.do_copy(rhs);

    // assert($cast(item,rhs)) else

      // `uvm_fatal(get_type_name(), "| %m | failed cast");

    // delay     = item.delay;

    // command   = item.command;

    // wr_full   = item.wr_full;

    // rd_empty  = item.rd_empty;

    // wr_data   = item.wr_data;

    // rd_data   = item.rd_data;

    // count     = item.count;

  // endfunction : do_copy

  // // --------------------------------------------------------------------

  // function string convert2string();

    // string s0, s1, s2, s3;

    // s0 = $sformatf( "| %m | wr | rd | full | empty |\n");

    // s1 = $sformatf( "| %m | %1h  | %1h  | %1h    | %1h     |\n"

                  // , (command == FIFO_WR) || (command == FIFO_BOTH)

                  // , (command == FIFO_RD) || (command == FIFO_BOTH)

                  // , wr_full

                  // , rd_empty

                  // );

    // s2 = $sformatf("| %m | wr_data: %h\n" , wr_data);

    // s3 = $sformatf("| %m | rd_data: %h\n" , rd_data);

    // if(command == FIFO_NULL)

      // return {s1, s0};

    // else if(command == FIFO_BOTH)

      // return {s3, s2, s1, s0};

    // else if(command == FIFO_WR)

      // return {s2, s1, s0};

    // else if(command == FIFO_RD)

      // return {s3, s1, s0};

  // endfunction : convert2string

// --------------------------------------------------------------------

endclass : avf_sequence_item