tweaks in tut 2

2020-10-23 12:48:46 -05:00
parent 12829a3e9c
commit 3a3830b443
1 changed files with 3 additions and 1 deletions
--- a/blinky/blinky.v
+++ b/blinky/blinky.v
@@ -11,7 +11,9 @@ module blinky(i_clk, o_led, lcol1);
   always @(posedge i_clk)
      counter <= counter + 1'b1;

-   assign o_led = counter[WIDTH-1];
+   assign o_led = counter[WIDTH-1]; // normal, symmetrical blinking
+   // assign o_led = ~(&counter[WIDTH-1:WIDTH-3]); // short on, long off (strobe)
+   // assign o_led = ~(counter[5:0] < counter[WIDTH-1:WIDTH-6]); // PWM, dimmer
   assign lcol1 = 1'b0;
 endmodule