examples/igloo2/example.v

   1 module top (
   2         input  clk,
   3         output LED1,
   4         output LED2,
   5         output LED3,
   6         output LED4,
   7         output LED5
   8 );
   9
  10         localparam BITS = 5;
  11         localparam LOG2DELAY = 22;
  12
  13         reg [BITS+LOG2DELAY-1:0] counter = 0;
  14         reg [BITS-1:0] outcnt;
  15
  16         always @(posedge clk) begin
  17                 counter <= counter + 1;
  18                 outcnt <= counter >> LOG2DELAY;
  19         end
  20
  21         assign {LED1, LED2, LED3, LED4, LED5} = outcnt ^ (outcnt >> 1);
  22 endmodule