From 68b38feaea275728287e23dfe80fda9b3e6670e5 Mon Sep 17 00:00:00 2001
From: Nanosonde <2073569+nanosonde@users.noreply.github.com>
Date: Thu, 16 Jul 2020 18:58:24 +0200
Subject: [PATCH] save work

---
 src/knx/network_layer.cpp | 20 ++++++++++++++++++++
 src/knx/network_layer.h   |  2 ++
 2 files changed, 22 insertions(+)

diff --git a/src/knx/network_layer.cpp b/src/knx/network_layer.cpp
index f542307..8fa53d2 100644
--- a/src/knx/network_layer.cpp
+++ b/src/knx/network_layer.cpp
@@ -3,6 +3,7 @@
 #include "tpdu.h"
 #include "cemi_frame.h"
 #include "bits.h"
+#include "apdu.h"
 
 NetworkLayer::NetworkLayer(DeviceObject &deviceObj, TransportLayer& layer) :
     _deviceObj(deviceObj),
@@ -28,6 +29,25 @@ uint8_t NetworkLayer::hopCount() const
     return _hopCount;
 }
 
+bool NetworkLayer::isApciSystemBroadcast(APDU& apdu)
+{
+    switch (apdu.type())
+    {
+        // Application Layer Services on System Broadcast communication mode
+        case SystemNetworkParameterRead:
+        case SystemNetworkParameterResponse:
+        case SystemNetworkParameterWrite:
+        // Open media specific Application Layer Services on System Broadcast communication mode
+        case DomainAddressSerialNumberRead:
+        case DomainAddressSerialNumberResponse:
+        case DomainAddressSerialNumberWrite:
+            return true;
+        default:
+            return false;
+    }
+    return false;
+}
+
 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;
diff --git a/src/knx/network_layer.h b/src/knx/network_layer.h
index 4d02342..2e570fd 100644
--- a/src/knx/network_layer.h
+++ b/src/knx/network_layer.h
@@ -7,6 +7,7 @@
 #include "network_layer_entity.h"
 
 class DeviceObject;
+class APDU;
 
 class NetworkLayer
 {
@@ -18,6 +19,7 @@ class NetworkLayer
     virtual NetworkLayerEntity& getEntity(uint8_t interfaceIndex) = 0;
 
     uint8_t hopCount() const;
+    bool isApciSystemBroadcast(APDU& apdu);
 
     // from transport layer
     virtual void dataIndividualRequest(AckType ack, uint16_t destination, HopCountType hopType, Priority priority, TPDU& tpdu) = 0;