Add quick-and-dirty serial/parallel converters

1 files changed, 43 insertions, 0 deletions

diff --git a/par_to_ser.tb.v b/par_to_ser.tb.v
new file mode 100644
index 0000000..ad3f7c0
--- /dev/null
+++ b/par_to_ser.tb.v
@@ -0,0 +1,43 @@
+`timescale 1us/1ns
+
+module par_to_ser_tb (
+);
+
+reg clk_i;
+reg rst_i;
+reg do_send_i;
+reg [7:0] dat_i;
+wire dat_o;
+
+par_to_ser uut(
+  .clk_i(clk_i),
+  .rst_i(rst_i),
+  .do_send_i(do_send_i),
+  .dat_i(dat_i),
+  .dat_o(dat_o)
+);
+
+initial begin
+  $dumpfile("par_to_ser.lxt2"); $dumpvars();
+  clk_i <= 0;
+  rst_i <= 1'b1;
+  do_send_i <= 1'b0;
+
+  #1
+  rst_i <= 1'b0;
+  #1
+  rst_i <= 1'b1;
+end
+
+always #10 clk_i = ~clk_i;
+
+initial begin
+  #37
+  dat_i <= 8'haa;
+  #13
+  do_send_i <= 1'b1;
+  #600
+  $finish();
+end
+
+endmodule