tb: Add dumpfilename macro

1 files changed, 7 insertions, 1 deletions

diff --git a/par_to_ser.tb.v b/par_to_ser.tb.v
index 0b7e995..a60c13b 100644
--- a/par_to_ser.tb.v
+++ b/par_to_ser.tb.v
@@ -17,8 +17,14 @@ par_to_ser uut(
   .dat_o(dat_o)
 );
 
+string filename;
 initial begin
-  $dumpfile("par_to_ser.lxt2"); $dumpvars();
+`ifdef DUMP_FILE_NAME
+  filename=`DUMP_FILE_NAME;
+`else
+  filename="par_to_ser.lxt2";
+`endif
+  $dumpfile(filename); $dumpvars();
   clk_i <= 0;
   rst_i <= 1'b1;
   data_valid_i <= 1'b0;