Port example to iceblink40 board.

1 files changed, 24 insertions, 0 deletions

diff --git a/examples/iceblink/example.v b/examples/iceblink/example.v
new file mode 100644
index 0000000..6bccc1e
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+++ b/examples/iceblink/example.v
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+/* Binary counter displayed on LEDs (the 4 green ones on the right).
+ * Changes value about once a second.
+ */
+module top (
+	input  clk,
+	output LED2,
+	output LED3,
+	output LED4,
+	output LED5
+);
+
+	localparam BITS = 4;
+	localparam LOG2DELAY = 22;
+
+	reg [BITS+LOG2DELAY-1:0] counter = 0;
+	reg [BITS-1:0] outcnt;
+
+	always@(posedge clk) begin
+		counter <= counter + 1;
+		outcnt <= counter >> LOG2DELAY;
+	end
+
+	assign {LED2, LED3, LED4, LED5} = outcnt;
+endmodule