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/*
* Copyright (c) 2007, 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
* @author: Brano Kusy (CC2420 port)
* @author: Marco Langerwisch (CC1000 port)
*/
#include "CC1000TimeSyncMessage.h"
module CC1000TimeSyncMessageP
{
provides
{
interface TimeSyncAMSend<T32khz, uint32_t> as TimeSyncAMSend32khz[uint8_t id];
interface TimeSyncAMSend<TMilli, uint32_t> as TimeSyncAMSendMilli[uint8_t id];
interface Packet;
interface TimeSyncPacket<T32khz, uint32_t> as TimeSyncPacket32khz;
interface TimeSyncPacket<TMilli, uint32_t> as TimeSyncPacketMilli;
}
uses
{
interface AMSend as SubSend[uint8_t id];
interface Packet as SubPacket;
interface PacketTimeStamp<T32khz,uint32_t> as PacketTimeStamp32khz;
interface PacketTimeStamp<TMilli,uint32_t> as PacketTimeStampMilli;
interface PacketTimeSyncOffset;
interface LocalTime<T32khz> as LocalTime32khz;
interface LocalTime<TMilli> as LocalTimeMilli;
interface Leds;
}
}
implementation
{
// TODO: change the Packet.payloadLength and Packet.maxPayloadLength commands to async
inline void* getFooter(message_t* msg)
{
// we use the payload length that we export (the smaller one)
return msg->data + call Packet.payloadLength(msg);
}
/*----------------- Packet -----------------*/
command void Packet.clear(message_t* msg)
{
call PacketTimeSyncOffset.cancel(msg);
call SubPacket.clear(msg);
}
command void Packet.setPayloadLength(message_t* msg, uint8_t len)
{
call SubPacket.setPayloadLength(msg, len + sizeof(timesync_radio_t));
}
command uint8_t Packet.payloadLength(message_t* msg)
{
return call SubPacket.payloadLength(msg) - sizeof(timesync_radio_t);
}
command uint8_t Packet.maxPayloadLength()
{
return call SubPacket.maxPayloadLength() - sizeof(timesync_radio_t);
}
command void* Packet.getPayload(message_t* msg, uint8_t len)
{
return call SubPacket.getPayload(msg, len + sizeof(timesync_radio_t));
}
/*----------------- TimeSyncAMSend32khz -----------------*/
command error_t TimeSyncAMSend32khz.send[am_id_t id](am_addr_t addr, message_t* msg, uint8_t len, uint32_t event_time)
{
error_t err;
timesync_radio_t* timesync = (timesync_radio_t*)(msg->data + len);
*timesync = event_time;
err = call SubSend.send[id](addr, msg, len + sizeof(timesync_radio_t));
call PacketTimeSyncOffset.set(msg);
return err;
}
command error_t TimeSyncAMSend32khz.cancel[am_id_t id](message_t* msg)
{
call PacketTimeSyncOffset.cancel(msg);
return call SubSend.cancel[id](msg);
}
default event void TimeSyncAMSend32khz.sendDone[am_id_t id](message_t* msg, error_t error) {}
command uint8_t TimeSyncAMSend32khz.maxPayloadLength[am_id_t id]()
{
return call SubSend.maxPayloadLength[id]() - sizeof(timesync_radio_t);
}
command void* TimeSyncAMSend32khz.getPayload[am_id_t id](message_t* msg, uint8_t len)
{
return call SubSend.getPayload[id](msg, len + sizeof(timesync_radio_t));
}
/*----------------- TimeSyncAMSendMilli -----------------*/
command error_t TimeSyncAMSendMilli.send[am_id_t id](am_addr_t addr, message_t* msg, uint8_t len, uint32_t event_time)
{
// compute elapsed time in millisecond
event_time = ((event_time - call LocalTimeMilli.get()) << 5) + call LocalTime32khz.get();
return call TimeSyncAMSend32khz.send[id](addr, msg, len, event_time);
}
command error_t TimeSyncAMSendMilli.cancel[am_id_t id](message_t* msg)
{
return call TimeSyncAMSend32khz.cancel[id](msg);
}
default event void TimeSyncAMSendMilli.sendDone[am_id_t id](message_t* msg, error_t error){}
command uint8_t TimeSyncAMSendMilli.maxPayloadLength[am_id_t id]()
{
return call TimeSyncAMSend32khz.maxPayloadLength[id]();
}
command void* TimeSyncAMSendMilli.getPayload[am_id_t id](message_t* msg, uint8_t len)
{
return call TimeSyncAMSend32khz.getPayload[id](msg, len);
}
/*----------------- SubSend.sendDone -------------------*/
event void SubSend.sendDone[am_id_t id](message_t* msg, error_t error)
{
signal TimeSyncAMSend32khz.sendDone[id](msg, error);
signal TimeSyncAMSendMilli.sendDone[id](msg, error);
}
/*----------------- TimeSyncPacket32khz -----------------*/
command bool TimeSyncPacket32khz.isValid(message_t* msg)
{
timesync_radio_t* timesync = getFooter(msg);
return call PacketTimeStamp32khz.isValid(msg) && *timesync != CC1000_INVALID_TIMESTAMP;
}
command uint32_t TimeSyncPacket32khz.eventTime(message_t* msg)
{
timesync_radio_t* timesync = getFooter(msg);
return (uint32_t)(*timesync) + call PacketTimeStamp32khz.timestamp(msg);
}
/*----------------- TimeSyncPacketMilli -----------------*/
command bool TimeSyncPacketMilli.isValid(message_t* msg)
{
timesync_radio_t* timesync = getFooter(msg);
return call PacketTimeStampMilli.isValid(msg) && *timesync != CC1000_INVALID_TIMESTAMP;
}
command uint32_t TimeSyncPacketMilli.eventTime(message_t* msg)
{
timesync_radio_t* timesync = getFooter(msg);
return ((int32_t)(*timesync) >> 5) + call PacketTimeStampMilli.timestamp(msg);
}
}
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