p2s: Testbench all nums

1 files changed, 13 insertions, 8 deletions

diff --git a/par_to_ser.tb.v b/par_to_ser.tb.v
index f80042b..0b7e995 100644
--- a/par_to_ser.tb.v
+++ b/par_to_ser.tb.v
@@ -33,17 +33,22 @@ always #10 clk_i = ~clk_i;
 
 initial begin
   #37
-  dat_i <= 8'b00110010;
-  #13
-  data_valid_i <= 1'b1;
 
-  // clock data in
-  #20
+  for (integer i = 0; i < 255; i++) begin
+    // clock data in
+    dat_i <= i;
+    data_valid_i <= 1'b1;
 
-  // let module do its work
-  data_valid_i <= 1'b0;
+    // wait 1 cycle
+    #20
+    data_valid_i <= 1'b0;
+
+    // let module do its work
+    #200
+    ;
+
+  end
 
-  #500
   $finish();
 end