# HG changeset patch
# User Tero Koskinen <tero.koskinen@iki.fi>
# Date 1461957571 -10800
#      Fri Apr 29 22:19:31 2016 +0300
# Node ID d142a9c01b0efaa05599d95d0feae285fadc332d
# Parent  2394ea3e7a58f82325f3e9db3cf1953d13973c0f
Add license headers.

diff --git a/ds3231.c b/ds3231.c
--- a/ds3231.c
+++ b/ds3231.c
@@ -1,6 +1,26 @@
 // Code originally by JeeLabs http://news.jeelabs.org/code/
 // Released to the public domain! Enjoy!
 
+/* Driver for DS3231.
+ *
+ * Permissive open source ISC license.
+ *
+ * Copyright (c) 2016 Tero Koskinen <tero.koskinen@iki.fi>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
 #include <debugio.h>
 #include <stdint.h>
 
diff --git a/ds3231.h b/ds3231.h
--- a/ds3231.h
+++ b/ds3231.h
@@ -1,5 +1,26 @@
 // Code originally by JeeLabs http://news.jeelabs.org/code/
 // Released to the public domain! Enjoy!
+//
+
+/* Driver for DS3231.
+ *
+ * Permissive open source ISC license.
+ *
+ * Copyright (c) 2016 Tero Koskinen <tero.koskinen@iki.fi>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
 
 #ifndef DS3231_H
 #define DS3231_H