class awgreg_driver;

  
  awgreg_trans  	tr;

  //interface
  virtual awgreg_if 	aif;
  virtual spi_if	wif;


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

endclass : awgreg_driver 

task awgreg_driver::do_drive();

  aif.fb_st_i		   =2'b0		    ;
  aif.run_time		   =32'b0		    ;
  aif.instr_num		   =32'b0		    ;
  aif.bais_i_ov        =1'b0            ;   
  aif.bais_q_ov        =1'b0            ; 
  aif.awg_ctrl_fsm_st  =1'b0            ; 
  aif.mcu_result0	   =32'b0        	;   // MCU result 0
  aif.mcu_result1	   =32'b0        	;   // MCU result 1
  aif.mcu_result2	   =32'b0        	;   // MCU result 2
  aif.mcu_result3	   =32'b0        	;   // MCU result 3

  fork

    while(1) begin
      make_pkt();
    end
     
  join

endtask

task awgreg_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.fb_st_i_time:     	    aif.fb_st_i 	     <= tr.fb_st_i		  ;
	tr.run_time_time:     	    aif.run_time	     <= tr.run_time		  ;
	tr.instr_num_time:   	    aif.instr_num        <= tr.instr_num	  ;
 	tr.bais_i_ov_time:          aif.bais_i_ov        <= tr.bais_i_ov      ;
 	tr.bais_q_ov_time:          aif.bais_q_ov        <= tr.bais_q_ov      ;
	tr.awg_ctrl_fsm_st_time:    aif.awg_ctrl_fsm_st  <= tr.awg_ctrl_fsm_st;
 	tr.mcu_result0_time: 	    aif.mcu_result0      <= tr.mcu_result0	  ;
	tr.mcu_result1_time: 	    aif.mcu_result1      <= tr.mcu_result1	  ;
	tr.mcu_result2_time: 	    aif.mcu_result2      <= tr.mcu_result2	  ;
	tr.mcu_result3_time:        aif.mcu_result3      <= tr.mcu_result3	  ;
    endcase

  end

endtask : make_pkt