ice40: Add examples folder including floorplan example

Signed-off-by: David Shah <dave@ds0.me>

1 files changed, 25 insertions, 0 deletions

diff --git a/ice40/examples/blinky/blinky_tb.v b/ice40/examples/blinky/blinky_tb.v
new file mode 100644
index 00000000..f80b5e64
--- /dev/null
+++ b/ice40/examples/blinky/blinky_tb.v
@@ -0,0 +1,25 @@
+module blinky_tb;
+    reg clk;
+    always #5 clk = (clk === 1'b0);
+
+    wire led1, led2, led3, led4, led5;
+
+    chip uut (
+        .io_0_8_1(clk),
+        .io_13_12_1(led1),
+        .io_13_12_0(led2),
+        .io_13_11_1(led3),
+        .io_13_11_0(led4),
+        .io_13_9_1(led5)
+    );
+
+    initial begin
+        // $dumpfile("blinky_tb.vcd");
+        // $dumpvars(0, blinky_tb);
+        repeat (10) begin
+            repeat (900000) @(posedge clk);
+            $display(led1, led2, led3, led4, led5);
+        end
+        $finish;
+    end
+endmodule