84 lines
1.4 KiB
Systemverilog
84 lines
1.4 KiB
Systemverilog
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class awgreg_driver;
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awgreg_trans tr;
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//interface
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virtual awgreg_if aif;
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virtual spi_if wif;
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int pktnum;
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function new();
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endfunction
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extern task do_drive();
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extern task make_pkt();
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endclass : awgreg_driver
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task awgreg_driver::do_drive();
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int pkt_i = 0;
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aif.fb_st_i =3'b0 ;
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aif.run_time =32'b0 ;
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aif.instr_num =32'b0 ;
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aif.mcu_result0 =32'b0 ; // MCU result 0
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aif.mcu_result1 =32'b0 ; // MCU result 1
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aif.mcu_result2 =32'b0 ; // MCU result 2
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aif.mcu_result3 =32'b0 ; // MCU result 3
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fork
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while(1) begin
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if(pkt_i == pktnum) break;
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make_pkt();
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end
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repeat(pktnum) begin: kill_progress
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@(negedge wif.csn);
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pkt_i++;
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end
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join
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endtask
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task awgreg_driver::make_pkt();
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int cnt=0;
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cnt = 0;
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tr = new();
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if(!tr.randomize())
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$fatal(0,"Randomize Failed");
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while(cnt<2000) begin
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@(posedge wif.clk);
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cnt = cnt + 1;
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case(cnt)
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tr.fb_st_i_time :
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aif.fb_st_i <= tr.fb_st_i ;
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tr.run_time_time :
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aif.run_time <= tr.run_time ;
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tr.instr_num_time :
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aif.instr_num <= tr.instr_num ;
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tr.mcu_result0_time:
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aif.mcu_result0 <= tr.mcu_result0 ;
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tr.mcu_result1_time:
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aif.mcu_result1 <= tr.mcu_result1 ;
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tr.mcu_result2_time:
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aif.mcu_result2 <= tr.mcu_result2 ;
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tr.mcu_result3_time:
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aif.mcu_result3 <= tr.mcu_result3 ;
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endcase
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end
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endtask : make_pkt
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