RaaA: Add RTC support

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29544 a1c6a512-1295-4272-9138-f99709370657

firmware/target/hosted/rtc.c

@@ -0,0 +1,40 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Based upon code (C) 2002 by Björn Stenberg
+ * Copyright (C) 2011 by Thomas Jarosch
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <time.h>
+
+void rtc_init(void)
+{
+}
+
+int rtc_read_datetime(struct tm *tm)
+{
+    time_t now = time(NULL);
+    *tm = *localtime(&now);
+
+    return 0;
+}
+
+int rtc_write_datetime(const struct tm *tm)
+{
+    (void)tm;
+    return 0;
+}