Merge pull request #3005 from authmillenon/od/fix/PRI.64

od: add PRI.64 for unsupported boards

cpu/atmega_common/avr-libc-extra/inttypes.h

+/*
+ * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
+ *
+ * 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.
+ */
+
+/**
+ * @addtogroup  cpu_atmega_common
+ * @{
+ *
+ * @file
+ * @brief   Adds include for missing inttype definitions
+ *
+ * @author  Martine Lenders <mlenders@inf.fu-berlin.de>
+ */
+#ifndef RIOT_INTTYPES_H_
+#define RIOT_INTTYPES_H_
+
+#include_next <inttypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define PRIo64  "oll"   /**< Format string for octal 64-bit number */
+#define PRIx64  "xll"   /**< Format string for hexadecimal 64-bit number */
+#define PRIu64  "ull"   /**< Format string for unsigned 64-bit number */
+#define PRId64  "dll"   /**< Format string for signed 64-bit number */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RIOT_INTTYPES_H_ */
+/** @} */