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common/tb/ad_pack_tb: Add non random scenario as first test for easier debug

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Laszlo Nagy 2022-08-10 09:57:59 +01:00 committed by Laszlo Nagy
parent d20e604864
commit 8905147698
1 changed files with 14 additions and 4 deletions
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18
library/common/tb/ad_pack_tb.v
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@ -31,14 +31,14 @@ module ad_pack_tb;
.odata(odata), .odata(odata),
.ovalid(ovalid)); .ovalid(ovalid));
task test(); task test(input random_n);
begin begin
@(posedge clk); @(posedge clk);
i = 0; i = 0;
j = 0; j = 0;
while (i < (VECT_W/(I_W*UNIT_W) + (VECT_W%(I_W*UNIT_W)>0))) begin while (i < (VECT_W/(I_W*UNIT_W) + (VECT_W%(I_W*UNIT_W)>0))) begin
@(posedge clk); @(posedge clk);
if ($urandom % 2 == 0) begin if ($urandom % 2 == 0 | random_n) begin
idata <= input_vector[i*(I_W*UNIT_W) +: (I_W*UNIT_W)]; idata <= input_vector[i*(I_W*UNIT_W) +: (I_W*UNIT_W)];
ivalid <= 1'b1; ivalid <= 1'b1;
i = i + 1; i = i + 1;
@ -59,6 +59,11 @@ module ad_pack_tb;
$display("i=%d Expected=%x Found=%x",i,input_vector[i*8+:8],output_vector[i*8+:8]); $display("i=%d Expected=%x Found=%x",i,input_vector[i*8+:8],output_vector[i*8+:8]);
end end
end end
// Clear output vector
for (i=0; i<VECT_W/8; i=i+1) begin
output_vector[i*8+:8] = 8'bx;
end
end end
endtask endtask
@ -71,7 +76,12 @@ module ad_pack_tb;
input_vector[i*8+:8] = i[7:0]; input_vector[i*8+:8] = i[7:0];
end end
test(); test(1);
do_trigger_reset();
@(negedge reset);
test(0);
do_trigger_reset(); do_trigger_reset();
@(negedge reset); @(negedge reset);
@ -81,7 +91,7 @@ module ad_pack_tb;
input_vector[i*8+:8] = $urandom; input_vector[i*8+:8] = $urandom;
end end
test(); test(0);
end end