Add copyright notice

[z180-stamp.git] / avr / gpio.c

diff --git a/avr/gpio.c b/avr/gpio.c
index 31dbc21f46393c1adfd58fe7ac8719b307d60e79..73e9c396cad46d26235270e01e296552f7d939c3 100644 (file)
--- a/avr/gpio.c
+++ b/avr/gpio.c
@@ -1,10 +1,15 @@
+/*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
 #include "common.h"
 #include <util/atomic.h>
 #include <limits.h>
 #include "debug.h"
 #include "gpio.h"
 
-
 /*
 
 Pin Name    Port    Timer   Mode    max div         max div     min f [Hz]