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/*
* Copyright (c) 2002, Vanderbilt University
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
* - Neither the name of the copyright holders nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @author: Miklos Maroti, Brano Kusy (kusy@isis.vanderbilt.edu)
* Ported to T2: 3/17/08 by Brano Kusy (branislav.kusy@gmail.com)
*/
#if defined(TIMESYNCMSG_H)
#else
#define TIMESYNCMSG_H
typedef nx_struct TimeSyncMsg
{
nx_uint16_t rootID; // the node id of the synchronization root
nx_uint16_t nodeID; // the node if of the sender
nx_uint8_t seqNum; // sequence number for the root
/*
* After TEP 133, the message timestamp contains the difference between
* event time and the time the message was actually sent out. TimeSyncP
* sends the local time associated with this globalTime to the
* TimeStamping mechanism, which then calculates the difference.
*
* On the receiving side, the difference is applied to the local
* timestamp. The receiving timestamp thus represents the time on the
* receiving clock when the remote globalTime was taken.
*/
nx_uint32_t globalTime;
//just for convenience
nx_uint32_t localTime;
} TimeSyncMsg;
enum {
TIMESYNC_AM_FTSP = 0x3E,
TIMESYNCMSG_LEN = sizeof(TimeSyncMsg) - sizeof(nx_uint32_t),
TS_TIMER_MODE = 0, // see TimeSyncMode interface
TS_USER_MODE = 1, // see TimeSyncMode interface
};
#endif
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