From c3065a2c8a50dd4dfbc9515c1845bdd40a5efe0e Mon Sep 17 00:00:00 2001
From: Erik Strand <erik.strand@cba.mit.edu>
Date: Thu, 30 Sep 2021 19:57:23 -0400
Subject: [PATCH] Add license for FPGA ring oscillator test

---
 GPIO/iCE40/ring.v | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/GPIO/iCE40/ring.v b/GPIO/iCE40/ring.v
index 7fd665c..e55881c 100644
--- a/GPIO/iCE40/ring.v
+++ b/GPIO/iCE40/ring.v
@@ -1,4 +1,18 @@
-// Cause yosys to throw an error when we implicitly declare nets
+//
+// ring.v
+//
+// iCE40 FPGA ring oscillator test
+//
+// Erik Strand 9/30/21
+//
+// This work may be reproduced, modified, distributed,
+// performed, and displayed for any purpose, but must
+// acknowledge this project. Copyright is retained and
+// must be preserved. The work is provided as is; no
+// warranty is provided, and users accept all liability.
+//
+
+// Make yosys throw an error when we implicitly declare nets.
 `default_nettype none
 
 module top (
-- 
GitLab