56 lines
719 B
Systemverilog
56 lines
719 B
Systemverilog
class pllreg_driver;
|
|
|
|
|
|
pllreg_trans tr;
|
|
|
|
//interface
|
|
virtual pllreg_if pif;
|
|
virtual spi_if wif;
|
|
|
|
|
|
function new();
|
|
endfunction
|
|
extern task do_drive();
|
|
extern task make_pkt();
|
|
|
|
endclass : pllreg_driver
|
|
|
|
task pllreg_driver::do_drive();
|
|
|
|
pif.pll_lock =32'b0;
|
|
|
|
fork
|
|
|
|
while(1) begin
|
|
make_pkt();
|
|
end
|
|
|
|
join
|
|
|
|
endtask
|
|
|
|
task pllreg_driver::make_pkt();
|
|
int cnt=0;
|
|
|
|
cnt = 0;
|
|
|
|
|
|
tr = new();
|
|
if(!tr.randomize())
|
|
$fatal(0,"Randomize Failed");
|
|
|
|
|
|
while(cnt<3000) begin
|
|
@(posedge wif.clk);
|
|
|
|
cnt = cnt + 1;
|
|
|
|
case(cnt)
|
|
tr.pll_lock: pif.pll_lock <=tr.pll_lock;
|
|
endcase
|
|
|
|
end
|
|
|
|
endtask : make_pkt
|
|
|