class mcureg_driver;

  
  mcureg_trans  	tr;

  //interface
  virtual mcureg_if 	mif;
  virtual spi_if	wif;


  function new();
  endfunction
  extern task do_drive();
  extern task make_pkt();

endclass : mcureg_driver 

task mcureg_driver::do_drive();

  mif.fb_st_info 	= 2'b0				;
  mif.run_time	 	= 32'b0				;
  mif.instr_num	 	= 32'b0				;
  mif.mcu_param[3:0] 	= {32'b0,32'b0,32'b0,32'b0}  	; 

  fork

    while(1) begin
      make_pkt();
    end
     
  join

endtask

task mcureg_driver::make_pkt();
  int	cnt=0;

  cnt = 0;
  

  tr = new();
  if(!tr.randomize())
    $fatal(0,"Randomize Failed");

    
  while(cnt<2000) begin
    @(posedge wif.clk);

    cnt = cnt + 1;
    
    case(cnt) 
	tr.wrmask_time: 	mif.wrmask 	 <= tr.wrmask;
 	tr.fb_st_info_time: 	mif.fb_st_info 	 <= tr.fb_st_info;
	tr.run_time_time: 	mif.run_time	 <= tr.run_time;
	tr.instr_num_time: 	mif.instr_num    <= tr.instr_num;
	tr.mcu_param_time[0]: 	mif.mcu_param[0] <= tr.mcu_param[0];
	tr.mcu_param_time[1]: 	mif.mcu_param[1] <= tr.mcu_param[1];
	tr.mcu_param_time[2]: 	mif.mcu_param[2] <= tr.mcu_param[2];
	tr.mcu_param_time[3]:   mif.mcu_param[3] <= tr.mcu_param[3];
    endcase

  end

endtask : make_pkt