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Thomas Kunze
2018-11-07 21:31:07 +01:00
parent 4493631031
commit 010ddc7d21
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127
src/knx/network_layer.cpp Normal file
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#include "network_layer.h"
#include "tpdu.h"
#include "cemi_frame.h"
#include "data_link_layer.h"
#include "bits.h"
NetworkLayer::NetworkLayer(TransportLayer& layer): _transportLayer(layer)
{
}
void NetworkLayer::dataLinkLayer(DataLinkLayer& layer)
{
_dataLinkLayer = &layer;
}
uint8_t NetworkLayer::hopCount() const
{
return _hopCount;
}
void NetworkLayer::hopCount(uint8_t value)
{
_hopCount = value & 0x7;
}
void NetworkLayer::dataIndication(AckType ack, AddressType addrType, uint16_t destination, FrameFormat format, NPDU& npdu, Priority priority, uint16_t source)
{
HopCountType hopType = npdu.hopCount() == 7 ? UnlimitedRouting : NetworkLayerParameter;
if (addrType == InduvidualAddress)
{
//if (npdu.octetCount() > 0)
//{
// print.print("<- NL ");
// npdu.frame().apdu().printPDU();
//}
_transportLayer.dataIndividualIndication(destination, hopType, priority, source, npdu.tpdu());
return;
}
// group-address type
if (destination != 0)
{
_transportLayer.dataGroupIndication(destination, hopType, priority, source, npdu.tpdu());
return;
}
// destination == 0
_transportLayer.dataBroadcastIndication(hopType, priority, source, npdu.tpdu());
}
void NetworkLayer::dataConfirm(AckType ack, AddressType addressType, uint16_t destination, FrameFormat format, Priority priority, uint16_t source, NPDU& npdu, bool status)
{
HopCountType hopType = npdu.hopCount() == 7 ? UnlimitedRouting : NetworkLayerParameter;
if (addressType == InduvidualAddress)
{
_transportLayer.dataIndividualConfirm(ack, destination, hopType, priority, npdu.tpdu(), status);
return;
}
// group-address type
if (destination != 0)
{
_transportLayer.dataGroupConfirm(ack, source, destination, hopType, priority, npdu.tpdu(), status);
return;
}
// destination == 0
_transportLayer.dataBroadcastConfirm(ack, hopType, priority, npdu.tpdu(), status);
}
void NetworkLayer::systemBroadcastIndication(AckType ack, FrameFormat format, NPDU& npdu, Priority priority, uint16_t source)
{
HopCountType hopType = npdu.hopCount() == 7 ? UnlimitedRouting : NetworkLayerParameter;
_transportLayer.dataBroadcastIndication(hopType, priority, source, npdu.tpdu());
}
void NetworkLayer::systemBroadcastConfirm(AckType ack, FrameFormat format, Priority priority, uint16_t source, NPDU& npdu, bool status)
{
HopCountType hopType = npdu.hopCount() == 7 ? UnlimitedRouting : NetworkLayerParameter;
_transportLayer.dataBroadcastConfirm(ack, hopType, priority, npdu.tpdu(), status);
}
void NetworkLayer::dataIndividualRequest(AckType ack, uint16_t destination, HopCountType hopType, Priority priority, TPDU& tpdu)
{
//if (tpdu.apdu().length() > 0)
//{
// print.print("-> NL ");
// tpdu.apdu().printPDU();
//}
sendDataRequest(tpdu, hopType, ack, destination, priority, InduvidualAddress);
}
void NetworkLayer::sendDataRequest(TPDU &tpdu, HopCountType hopType, AckType ack, uint16_t destination, Priority priority, AddressType addrType)
{
NPDU& npdu = tpdu.frame().npdu();
if (hopType == UnlimitedRouting)
npdu.hopCount(7);
else
npdu.hopCount(_hopCount);
FrameFormat frameFormat = npdu.octetCount() > 15 ? ExtendedFrame : StandardFrame;
_dataLinkLayer->dataRequest(ack, addrType, destination, frameFormat, priority, npdu);
}
void NetworkLayer::dataGroupRequest(AckType ack, uint16_t destination, HopCountType hopType, Priority priority, TPDU& tpdu)
{
sendDataRequest(tpdu, hopType, ack, destination, priority, GroupAddress);
}
void NetworkLayer::dataBroadcastRequest(AckType ack, HopCountType hopType, Priority priority, TPDU& tpdu)
{
sendDataRequest(tpdu, hopType, ack, 0, priority, GroupAddress);
}
void NetworkLayer::dataSystemBroadcastRequest(AckType ack, HopCountType hopType, Priority priority, TPDU& tpdu)
{
NPDU& npdu = tpdu.frame().npdu();
if (hopType == UnlimitedRouting)
npdu.hopCount(7);
else
npdu.hopCount(_hopCount);
FrameFormat frameFormat = npdu.octetCount() > 15 ? ExtendedFrame : StandardFrame;
_dataLinkLayer->systemBroadcastRequest(ack, frameFormat, priority, npdu);
}