Merge TinyOS 2.1.1 into master.

[tinyos-2.x.git] / tos / chips / rf2xx / layers / TimeSyncMessageLayer.h

diff --git a/tos/chips/rf2xx/layers/TimeSyncMessageLayer.h b/tos/chips/rf2xx/layers/TimeSyncMessageLayer.h
new file mode 100644 (file)
index 0000000..7c930a6
--- /dev/null
+++ b/tos/chips/rf2xx/layers/TimeSyncMessageLayer.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2007, Vanderbilt University
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice, the following
+ * two paragraphs and the author appear in all copies of this software.
+ * 
+ * IN NO EVENT SHALL THE VANDERBILT UNIVERSITY BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
+ * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE VANDERBILT
+ * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * THE VANDERBILT UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE VANDERBILT UNIVERSITY HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Author: Miklos Maroti
+ */
+
+#ifndef __TIMESYNCMESSAGELAYER_H__
+#define __TIMESYNCMESSAGELAYER_H__
+
+#include <AM.h>
+
+#ifndef AM_TIMESYNCMSG
+#define AM_TIMESYNCMSG 0x3D
+#endif
+
+// this is sent over the air
+typedef nx_int32_t timesync_relative_t;
+
+// this is stored in memory
+typedef uint32_t timesync_absolute_t;
+
+typedef struct timesync_footer_t
+{
+       nx_am_id_t type;
+       union
+       {
+               timesync_relative_t relative;
+               timesync_absolute_t absolute;
+       };
+} timesync_footer_t;
+
+#endif//__TIMESYNCMESSAGELAYER_H__