SPI_Test/tb/dacreg_tb/dacreg_env.sv

108 lines
2.0 KiB
Systemverilog

class sysreg_env;
static int pktnum;
//Interface:
virtual dacreg_if dif;
virtual spi_if wif;
virtual sram_if#(25,32) xif;
//Component:
spi_driver w_driver;
dac_driver d_driver;
spi_monitor w_monitor;
dac_refmodel d_model;
dacreg_monitor d_monitor;
dacreg_scoreboard d_scb;
function new();
endfunction;
extern function build();
extern task run();
endclass
function dacreg_env::build();
w_driver = new();
if(!w_driver.randomize() with {
error_time < 0;
})
$fatal(0,"Randomize Failed");
w_driver.pktnum = pktnum;
w_driver.vif = wif;
w_driver.autarchy = 1'b1;
w_driver.half_sclk = 4;
w_monitor = new();
w_monitor.wif = wif;
w_monitor.xif = xif;
d_driver = new();
d_driver.dif = dif;
d_driver.wif = wif;
d_monitor = new();
d_monitor.dif = dif;
d_monitor.xif = xif;
d_model = new();
d_model.dif = dif;
d_model.wif = wif;
d_model.xif = xif;
s_scb = new();
endfunction
task sysreg_env::run();
int error=0;
fork
w_driver.do_drive();
d_driver.do_drive();
w_monitor.do_mon();
d_monitor.do_mon();
d_model.do_imitate();
while(1) begin
repeat(2) @(posedge wif.csn);
@(posedge wif.clk);
s_model.dout.pop_back();
if(s_scb.compare(
d_model.dout ,
w_monitor.act_trans.data ,
d_model.dacout ,
d_monitor.act_trans
))
error++;
d_model.dout.delete();
d_model.dacout.delete();
d_monitor.act_trans.delete();
end
join
$display("SCOREBOARD:");
$display("\tError_isr:\t%0d",error);
$display("\tError_sysrst:\t%0d",s_model.rst_error[0]);
$display("\tError_ch0rst:\t%0d",s_model.rst_error[1]);
$display("\tError_ch1rst:\t%0d",s_model.rst_error[2]);
$display("\tError_ch2rst:\t%0d",s_model.rst_error[3]);
$display("\tError_ch3rst:\t%0d",s_model.rst_error[4]);
endtask