rfid_tag_phy.cpp

RFID reader 语 tag 模拟器

 #include "rfid_tag_phy.hpp"
 #include "node.hpp"

 RfidTagPhy::RfidTagPhy(
    NodePtr node, WirelessChannelManagerPtr wirelessChannelManager)
    : PhysicalLayer(node), m_sendingChannelIsValid(false),
    m_allListenersChannelIsValid(false)
 {
    m_wirelessChannelManagerPtr = wirelessChannelManager;
 }

 RfidTagPhy::~RfidTagPhy()
 {
    // Detatch from any channels to which it is still attached.
    if(m_sendingChannelIsValid) {
       m_wirelessChannelManagerPtr->detachAsSender(thisPhysicalLayer(),
          m_sendingChannel);
    }

    if(m_allListenersChannelIsValid) {
       m_wirelessChannelManagerPtr->detachAsListener(thisPhysicalLayer(),
          m_allListenersChannel);
    }
 }

 void RfidTagPhy::simulationEndHandler()
 {

 }

 void RfidTagPhy::resetSendingChannel()
 {
    assert(m_wirelessChannelManagerPtr.get() != 0);

    if(m_sendingChannelIsValid) {
       m_wirelessChannelManagerPtr->detachAsSender(thisPhysicalLayer(),
          m_sendingChannel);
    }

 }

 bool RfidTagPhy::setSendingChannel(t_uint channelId)
 {
    assert(m_wirelessChannelManagerPtr.get() != 0);

    // First, we need to see if we can detach from our current
    // channel if it's valid.
    resetSendingChannel();

    bool wasSuccessful = true;
    wasSuccessful &= m_wirelessChannelManagerPtr->attachAsSender(
       thisPhysicalLayer(), channelId);

    m_sendingChannelIsValid = wasSuccessful;
    m_sendingChannel = channelId;

    return wasSuccessful;
 }

 bool RfidTagPhy::setAllListenersChannel(t_uint channelId)
 {
    assert(m_wirelessChannelManagerPtr.get() != 0);

    resetAllListenersChannel();

    bool wasSuccessful = true;
    wasSuccessful &= m_wirelessChannelManagerPtr->attachAsListener(
       thisPhysicalLayer(), channelId);

    m_allListenersChannelIsValid = wasSuccessful;
    m_allListenersChannel = channelId;

    return wasSuccessful;

 }

 void RfidTagPhy::resetAllListenersChannel()
 {

    assert(m_wirelessChannelManagerPtr.get() != 0);
    if(m_allListenersChannelIsValid) {
       m_wirelessChannelManagerPtr->detachAsListener(thisPhysicalLayer(),
          m_allListenersChannel);
    }

    m_allListenersChannelIsValid = false;
 }

 void RfidTagPhy::recvdErrorFreeSignal(WirelessCommSignalPtr signal,
    double recvdSignalStrength)
 {
    // The tag should lock onto the channel on which the
    // packet was received.
    setSendingChannel(signal->getChannelId());
    setCurrentTxPower(recvdSignalStrength);
 }