cpu/atmega2560: adapted to changed GPIO driver IF

cpu/atmega2560/include/periph_cpu.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2015 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup         cpu_atmega2560
+ * @{
+ *
+ * @file
+ * @brief           CPU specific definitions for internal peripheral handling
+ *
+ * @author          Hauke Petersen <hauke.peterse@fu-berlin.de>
+ */
+
+#ifndef PERIPH_CPU_H_
+#define PERIPH_CPU_H_
+
+#include "periph/dev_enums.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* nothing defined here so far... */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PERIPH_CPU_H_ */
+/** @} */

cpu/atmega2560/periph/gpio.c

@@ -36,12 +36,7 @@ typedef struct {
 
 
 
-int gpio_init_out(gpio_t dev, gpio_pp_t pushpull)
-{
-    return -1;
-}
-
-int gpio_init_in(gpio_t dev, gpio_pp_t pushpull)
+int gpio_init(gpio_t dev, gpio_dir_t dir, gpio_pp_t pushpull)
 {
     return -1;
 }