implement knx-ip searchresponse

examples/knx-linux/CMakeLists.txt

@@ -49,9 +49,13 @@ add_executable(knx-linux
 	../../src/knx/ip_data_link_layer.h
 	../../src/knx/ip_parameter_object.cpp 
 	../../src/knx/ip_parameter_object.h
+	../../src/knx/knx_ip_device_information_dib.cpp
+	../../src/knx/knx_ip_dib.cpp
 	../../src/knx/knx_ip_frame.cpp
 	../../src/knx/knx_ip_routing_indication.cpp
 	../../src/knx/knx_ip_search_request.cpp
+	../../src/knx/knx_ip_search_response.cpp
+	../../src/knx/knx_ip_supported_service_dib.cpp
 	../../src/knx/ip_host_protocol_address_information.cpp
 	../../src/knx/knx_value.cpp
 	../../src/knx/knx_value.h
@@ -87,7 +91,7 @@ add_executable(knx-linux
 	main.cpp)
 target_link_libraries(knx-linux  "${LIBRARIES_FROM_REFERENCES}")
 include_directories(../../src)
-set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wall -Wno-unknown-pragmas -Wno-switch -g -O0")
+set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wall -Wno-unknown-pragmas -g -O0")
-set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wno-unknown-pragmas -Wno-switch -g -O0")
+set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wno-unknown-pragmas -g -O0")
 set_property(TARGET knx-linux PROPERTY CXX_STANDARD 11)
 add_definitions(-DMEDIUM_TYPE=5)

examples/knx-linux/knx-linux-Debug.vgdbsettings

@@ -7,7 +7,7 @@
       <PathStyle>RemoteUnix</PathStyle>
     </CustomSourceDirectories>
     <BuildHost>
-      <HostName>Suzail</HostName>
+      <HostName>Immerlund</HostName>
       <Transport>SSH</Transport>
       <UserName>tkunze</UserName>
     </BuildHost>
@@ -36,6 +36,7 @@
       </FileMasks>
       <TransferNewFilesOnly>false</TransferNewFilesOnly>
       <IncludeSubdirectories>true</IncludeSubdirectories>
+      <SelectedDirectories />
       <DeleteDisappearedFiles>true</DeleteDisappearedFiles>
       <ApplyGlobalExclusionList>true</ApplyGlobalExclusionList>
       <Extension>

examples/knx-linux/knx-linux.vcxproj

@@ -99,11 +99,13 @@
     <ClInclude Include="..\..\src\knx\ip_data_link_layer.h" />
     <ClInclude Include="..\..\src\knx\ip_host_protocol_address_information.h" />
     <ClInclude Include="..\..\src\knx\ip_parameter_object.h" />
+    <ClInclude Include="..\..\src\knx\knx_ip_device_information_dib.h" />
     <ClInclude Include="..\..\src\knx\knx_ip_dib.h" />
     <ClInclude Include="..\..\src\knx\knx_ip_frame.h" />
     <ClInclude Include="..\..\src\knx\knx_ip_routing_indication.h" />
     <ClInclude Include="..\..\src\knx\knx_ip_search_request.h" />
     <ClInclude Include="..\..\src\knx\knx_ip_search_response.h" />
+    <ClInclude Include="..\..\src\knx\knx_ip_supported_service_dib.h" />
     <ClInclude Include="..\..\src\knx\knx_types.h" />
     <ClInclude Include="..\..\src\knx\knx_value.h" />
     <ClInclude Include="..\..\src\knx\memory.h" />
@@ -157,11 +159,13 @@
     <ClCompile Include="..\..\src\knx\ip_data_link_layer.cpp" />
     <ClCompile Include="..\..\src\knx\ip_host_protocol_address_information.cpp" />
     <ClCompile Include="..\..\src\knx\ip_parameter_object.cpp" />
+    <ClCompile Include="..\..\src\knx\knx_ip_device_information_dib.cpp" />
     <ClCompile Include="..\..\src\knx\knx_ip_dib.cpp" />
     <ClCompile Include="..\..\src\knx\knx_ip_frame.cpp" />
     <ClCompile Include="..\..\src\knx\knx_ip_routing_indication.cpp" />
     <ClCompile Include="..\..\src\knx\knx_ip_search_request.cpp" />
     <ClCompile Include="..\..\src\knx\knx_ip_search_response.cpp" />
+    <ClCompile Include="..\..\src\knx\knx_ip_supported_service_dib.cpp" />
     <ClCompile Include="..\..\src\knx\knx_value.cpp" />
     <ClCompile Include="..\..\src\knx\memory.cpp" />
     <ClCompile Include="..\..\src\knx\network_layer.cpp" />

examples/knx-linux/knx-linux.vcxproj.filters

@@ -188,6 +188,12 @@
     <ClInclude Include="..\..\src\knx\knx_ip_dib.h">
       <Filter>Header files\knx</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\knx\knx_ip_device_information_dib.h">
+      <Filter>Header files\knx</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\knx\knx_ip_supported_service_dib.h">
+      <Filter>Header files\knx</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="main.cpp">
@@ -334,5 +340,11 @@
     <ClCompile Include="..\..\src\knx\knx_ip_dib.cpp">
       <Filter>Source files\knx</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\knx\knx_ip_device_information_dib.cpp">
+      <Filter>Source files\knx</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\knx\knx_ip_supported_service_dib.cpp">
+      <Filter>Source files\knx</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

src/knx/application_layer.cpp

@@ -51,6 +51,9 @@ void ApplicationLayer::dataGroupIndication(HopCountType hopType, Priority priori
                 break;
             case GroupValueWrite:
                 _bau.groupValueWriteIndication(asap, priority, hopType, data, len);
+            default:
+                /* other apdutypes ar not valid here. If the appear do nothing */
+                break;
         }
     }
 }
@@ -68,6 +71,9 @@ void ApplicationLayer::dataGroupConfirm(AckType ack, HopCountType hopType, Prior
     case GroupValueWrite:
         _bau.groupValueWriteLocalConfirm(ack, _savedAsapWriteRequest, priority, hopType, apdu.data(), apdu.length() - 1, status);
         break;
+    default:
+        print("datagroup-confirm: unhandled APDU-Type: ");
+        println(apdu.type());
     }
 }
 
@@ -111,6 +117,9 @@ void ApplicationLayer::dataBroadcastIndication(HopCountType hopType, Priority pr
             _bau.individualAddressSerialNumberWriteIndication(priority, hopType, newIndividualAddress, knxSerialNumber);
             break;
         }
+        default:
+            print("Broadcast-indication: unhandled APDU-Type: ");
+            println(apdu.type());
     }
 }
 
@@ -149,6 +158,9 @@ void ApplicationLayer::dataBroadcastConfirm(AckType ack, HopCountType hopType, P
             _bau.individualAddressSerialNumberWriteLocalConfirm(ack, hopType, data + 1, newAddress, status);
             break;
         }
+        default:
+            print("Broadcast-confirm: unhandled APDU-Type: ");
+            println(apdu.type());
     }
 }
 
@@ -791,6 +803,9 @@ void ApplicationLayer::individualIndication(HopCountType hopType, Priority prior
         case KeyResponse:
             _bau.keyWriteAppLayerConfirm(priority, hopType, tsap, data[1]);
             break;
+        default:
+            print("Indiviual-indication: unhandled APDU-Type: ");
+            println(apdu.type());
     }
 }
 
@@ -887,6 +902,9 @@ void ApplicationLayer::individualConfirm(AckType ack, HopCountType hopType, Prio
         case KeyResponse:
             _bau.keyWriteResponseConfirm(ack, priority, hopType, tsap, data[1], status);
             break;
+        default:
+            print("Indiviual-confirm: unhandled APDU-Type: ");
+            println(apdu.type());
     }
 }
 

src/knx/bau27B0.cpp

@@ -121,7 +121,7 @@ void Bau27B0::domainAddressSerialNumberWriteIndication(Priority priority, HopCou
 {
     // If the received serial number matches our serial number
     // then store the received RF domain address in the RF medium object
-    if (!memcmp(knxSerialNumber, _deviceObj.knxSerialNumber(), 6))
+    if (!memcmp(knxSerialNumber, _deviceObj.propertyData(PID_SERIAL_NUMBER), 6))
         _rfMediumObj.rfDomainAddress(rfDoA);
 }
 
@@ -129,7 +129,7 @@ void Bau27B0::domainAddressSerialNumberReadIndication(Priority priority, HopCoun
 {
     // If the received serial number matches our serial number
     // then send a response with the current RF domain address stored in the RF medium object
-    if (!memcmp(knxSerialNumber, _deviceObj.knxSerialNumber(), 6))
+    if (!memcmp(knxSerialNumber, _deviceObj.propertyData(PID_SERIAL_NUMBER), 6))
         _appLayer.domainAddressSerialNumberReadResponse(priority, hopType, _rfMediumObj.rfDomainAddress(), knxSerialNumber);
 }
 
@@ -138,7 +138,7 @@ void Bau27B0::individualAddressSerialNumberWriteIndication(Priority priority, Ho
 {
     // If the received serial number matches our serial number
     // then store the received new individual address in the device object
-    if (!memcmp(knxSerialNumber, _deviceObj.knxSerialNumber(), 6))
+    if (!memcmp(knxSerialNumber, _deviceObj.propertyData(PID_SERIAL_NUMBER), 6))
         _deviceObj.induvidualAddress(newIndividualAddress);
 }
 
@@ -146,7 +146,7 @@ void Bau27B0::individualAddressSerialNumberReadIndication(Priority priority, Hop
 {
     // If the received serial number matches our serial number
     // then send a response with the current RF domain address stored in the RF medium object and the serial number
-    if (!memcmp(knxSerialNumber, _deviceObj.knxSerialNumber(), 6))
+    if (!memcmp(knxSerialNumber, _deviceObj.propertyData(PID_SERIAL_NUMBER), 6))
         _appLayer.IndividualAddressSerialNumberReadResponse(priority, hopType, _rfMediumObj.rfDomainAddress(), knxSerialNumber);
 }
 

src/knx/bau_systemB.cpp

@@ -378,7 +378,7 @@ void BauSystemB::systemNetworkParameterReadIndication(Priority priority, HopCoun
             {
                 // Send reply. testResult data is KNX serial number
                 _appLayer.systemNetworkParameterReadResponse(priority, hopType, objectType, propertyId,
-                                                             testInfo, testInfoLength, (uint8_t*) _deviceObj.knxSerialNumber(), 6);
+                                                             testInfo, testInfoLength, (uint8_t*)_deviceObj.propertyData(PID_SERIAL_NUMBER), 6);
             }
         break;
 

src/knx/device_object.cpp

@@ -23,7 +23,7 @@ DeviceObject::DeviceObject()
                 if(start == 0)
                     return 1;
                 
-                pushByteArray(io->knxSerialNumber(), 2, data);
+                pushByteArray(io->propertyData(PID_SERIAL_NUMBER), 2, data);
                 return 1;
             }),
         new DataProperty(PID_DEVICE_CONTROL, true, PDT_BITSET8, 1, ReadLv3 | WriteLv3, (uint8_t)0),
@@ -161,43 +161,31 @@ void DeviceObject::progMode(bool value)
 uint16_t DeviceObject::manufacturerId()
 {
     uint16_t manufacturerId;
-    popWord(manufacturerId, knxSerialNumber());
+    popWord(manufacturerId, propertyData(PID_SERIAL_NUMBER));
     return manufacturerId;
 }
 
 void DeviceObject::manufacturerId(uint16_t value)
 {
     uint8_t data[LEN_KNX_SERIAL];
-    memcpy(data, knxSerialNumber(), LEN_KNX_SERIAL);
+    memcpy(data, propertyData(PID_SERIAL_NUMBER), LEN_KNX_SERIAL);
     pushWord(value, data);
-    knxSerialNumber(data);
+    propertyValue(PID_SERIAL_NUMBER, data);
 }
 
 uint32_t DeviceObject::bauNumber()
 {
     uint32_t bauNumber;
-    popInt(bauNumber, knxSerialNumber() + 2);
+    popInt(bauNumber, propertyData(PID_SERIAL_NUMBER) + 2);
     return bauNumber;
 }
 
 void DeviceObject::bauNumber(uint32_t value)
 {
     uint8_t data[LEN_KNX_SERIAL];
-    memcpy(data, knxSerialNumber(), LEN_KNX_SERIAL);
+    memcpy(data, propertyData(PID_SERIAL_NUMBER), LEN_KNX_SERIAL);
     pushInt(value, data + 2);
-    knxSerialNumber(data);
+    propertyValue(PID_SERIAL_NUMBER, data);
-}
-
-const uint8_t* DeviceObject::knxSerialNumber()
-{
-    DataProperty* prop = (DataProperty*)property(PID_SERIAL_NUMBER);
-    return prop->data();
-}
-
-void DeviceObject::knxSerialNumber(const uint8_t* value)
-{
-    Property* prop = property(PID_SERIAL_NUMBER);
-    prop->write(value);
 }
 
 const uint8_t* DeviceObject::orderNumber()

src/knx/device_object.h

@@ -24,8 +24,6 @@ public:
     void manufacturerId(uint16_t value);
     uint32_t bauNumber();
     void bauNumber(uint32_t value);
-    const uint8_t* knxSerialNumber();
-    void knxSerialNumber(const uint8_t* value);
     const uint8_t* orderNumber();
     void orderNumber(const uint8_t* value);
     const uint8_t* hardwareType();

src/knx/interface_object.cpp

@@ -1,6 +1,7 @@
 #include <cstring>
 
 #include "interface_object.h"
+#include "data_property.h"
 
 InterfaceObject::~InterfaceObject()
 {
@@ -217,3 +218,10 @@ const Property* InterfaceObject::property(PropertyID id) const
 
     return nullptr; 
 }
+
+
+const uint8_t* InterfaceObject::propertyData(PropertyID id)
+{
+    DataProperty* prop = (DataProperty*)property(id);
+    return prop->data();
+}

src/knx/interface_object.h

@@ -125,6 +125,24 @@ class InterfaceObject : public SaveRestore
      */
     Property* property(PropertyID id);
 
+    template <typename T>
+    T propertyValue(PropertyID id)
+    {
+        const Property* prop = property(id);
+
+        T value = 0;
+        prop->read(value);
+        return value;
+    }
+    
+    template <typename T>
+    void propertyValue(PropertyID id, T value)
+    {
+        Property* prop = property(id);
+        prop->write(value);
+    }
+
+    const uint8_t* propertyData(PropertyID id);
     /**
      * Gets const property with PropertyID id if it exists and nullptr otherwise.
      */

src/knx/ip_data_link_layer.cpp

@@ -8,6 +8,7 @@
 #include "address_table_object.h"
 #include "knx_ip_routing_indication.h"
 #include "knx_ip_search_request.h"
+#include "knx_ip_search_response.h"
 
 #include <stdio.h>
 #include <string.h>
@@ -15,7 +16,6 @@
 #define KNXIP_HEADER_LEN 0x6
 #define KNXIP_PROTOCOL_VERSION 0x10
 
-#define KNXIP_MULTICAST_PORT 3671
 #define MIN_LEN_CEMI 10
 
 IpDataLinkLayer::IpDataLinkLayer(DeviceObject& devObj, AddressTableObject& addrTab, IpParameterObject& ipParam, 
@@ -64,6 +64,10 @@ void IpDataLinkLayer::loop()
         case SearchRequest:
         {
             KnxIpSearchRequest searchRequest(buffer, len);
+            KnxIpSearchResponse searchResponse(_ipParameters, _deviceObject);
+
+            auto hpai = searchRequest.hpai();
+            _platform.sendBytesUniCast(hpai.ipAddress(), hpai.ipPortNumber(), searchResponse.data(), searchResponse.totalLength());
             break;
         }
         default:
@@ -78,7 +82,7 @@ void IpDataLinkLayer::enabled(bool value)
 //    _println(_deviceObject.induvidualAddress());
     if (value && !_enabled)
     {
-        _platform.setupMultiCast(_ipParameters.multicastAddress(), KNXIP_MULTICAST_PORT);
+        _platform.setupMultiCast(_ipParameters.propertyValue<uint32_t>(PID_ROUTING_MULTICAST_ADDRESS), KNXIP_MULTICAST_PORT);
         _enabled = true;
         return;
     }

src/knx/ip_host_protocol_address_information.cpp

@@ -6,26 +6,43 @@ IpHostProtocolAddressInformation::IpHostProtocolAddressInformation(uint8_t* data
 {}
 
 
-uint8_t IpHostProtocolAddressInformation::length()
+uint8_t IpHostProtocolAddressInformation::length() const
 {
     return *_data;
 }
 
+void IpHostProtocolAddressInformation::length(uint8_t value)
+{
+    *_data = value;
+}
 
-HostProtocolCode IpHostProtocolAddressInformation::code()
+HostProtocolCode IpHostProtocolAddressInformation::code() const
 {
     return (HostProtocolCode)_data[1];
 }
 
+void IpHostProtocolAddressInformation::code(HostProtocolCode value)
+{
+    _data[1] = value;
+}
 
-uint32_t IpHostProtocolAddressInformation::ipAddress()
+uint32_t IpHostProtocolAddressInformation::ipAddress() const
 {
     return getInt(_data + 2);
 }
 
+void IpHostProtocolAddressInformation::ipAddress(uint32_t value)
+{
+    pushInt(value, _data + 2);
+}
 
-uint16_t IpHostProtocolAddressInformation::ipPortNumber()
+uint16_t IpHostProtocolAddressInformation::ipPortNumber() const
 {
     return getWord(_data + 6);
 }
+
+void IpHostProtocolAddressInformation::ipPortNumber(uint16_t value)
+{
+    pushWord(value, _data + 6);
+}
 #endif

src/knx/ip_host_protocol_address_information.h

@@ -10,14 +10,22 @@ enum HostProtocolCode : uint8_t
 };
 
 #ifdef USE_IP
+
+#define LEN_IPHPAI 8
+
 class IpHostProtocolAddressInformation
 {
   public:
     IpHostProtocolAddressInformation(uint8_t* data);
-    uint8_t length();
+    uint8_t length() const;
-    HostProtocolCode code();
+    void length(uint8_t value);
-    uint32_t ipAddress();
+    HostProtocolCode code() const;
-    uint16_t ipPortNumber();
+    void code(HostProtocolCode value);
+    uint32_t ipAddress() const;
+    void ipAddress(uint32_t value);
+    uint16_t ipPortNumber() const;
+    void ipPortNumber(uint16_t value);
+
   private:
     uint8_t* _data;
 };

src/knx/ip_parameter_object.cpp

@@ -96,22 +96,4 @@ IpParameterObject::IpParameterObject(DeviceObject& deviceObject, Platform& platf
     initializeProperties(sizeof(properties), properties);
 }
 
-uint32_t IpParameterObject::multicastAddress() const
-{
-    const Property* prop = property(PID_ROUTING_MULTICAST_ADDRESS);
-
-    uint32_t value = DEFAULT_MULTICAST_ADDR;
-    prop->read(value);
-
-    return value;
-}
-
-uint8_t IpParameterObject::ttl() const
-{
-    const Property* prop = property(PID_TTL);
-
-    uint8_t value = 0;
-    prop->read(value);
-    return value;
-}
 #endif

src/knx/ip_parameter_object.h

@@ -6,12 +6,12 @@
 #include "device_object.h"
 #include "platform.h"
 
+#define KNXIP_MULTICAST_PORT 3671
+
 class IpParameterObject : public InterfaceObject
 {
   public:
     IpParameterObject(DeviceObject& deviceObject, Platform& platform);
-    uint32_t multicastAddress() const;
-    uint8_t ttl() const;
 
   private:
     DeviceObject& _deviceObject;

src/knx/knx_ip_device_information_dib.cpp

@@ -0,0 +1,100 @@
+#include "knx_ip_device_information_dib.h"
+#include "bits.h"
+
+KnxIpDeviceInformationDIB::KnxIpDeviceInformationDIB(uint8_t* data) : KnxIpDIB(data)
+{}
+
+uint8_t KnxIpDeviceInformationDIB::medium() const
+{
+    return _data[2];
+}
+
+
+void KnxIpDeviceInformationDIB::medium(uint8_t value)
+{
+    _data[2] = value;
+}
+
+
+uint8_t KnxIpDeviceInformationDIB::status() const
+{
+    return _data[3];
+}
+
+
+void KnxIpDeviceInformationDIB::status(uint8_t value)
+{
+    _data[3] = value;
+}
+
+
+uint16_t KnxIpDeviceInformationDIB::individualAddress() const
+{
+    return getWord(_data + 4);
+}
+
+
+void KnxIpDeviceInformationDIB::indiviudalAddress(uint16_t value)
+{
+    pushWord(value, _data + 4);
+}
+
+
+uint16_t KnxIpDeviceInformationDIB::projectInstallationIdentifier() const
+{
+    return getWord(_data + 6);
+}
+
+
+void KnxIpDeviceInformationDIB::projectInstallationIdentifier(uint16_t value)
+{
+    pushWord(value, _data + 6);
+}
+
+
+const uint8_t* KnxIpDeviceInformationDIB::serialNumber() const
+{
+    return _data + 8;
+}
+
+
+void KnxIpDeviceInformationDIB::serialNumber(const uint8_t* value)
+{
+    pushByteArray(value, LEN_SERIAL_NUMBER, _data + 8);
+}
+
+
+uint32_t KnxIpDeviceInformationDIB::routingMulicastAddress() const
+{
+    return getInt(_data + 14);
+}
+
+
+void KnxIpDeviceInformationDIB::routingMulticastAddress(uint32_t value)
+{
+    pushInt(value, _data + 14);
+}
+
+
+const uint8_t* KnxIpDeviceInformationDIB::macAddress() const
+{
+    return _data + 18;
+}
+
+
+void KnxIpDeviceInformationDIB::macAddress(const uint8_t* value)
+{
+    pushByteArray(value, LEN_MAC_ADDRESS, _data + 18);
+}
+
+
+const uint8_t* KnxIpDeviceInformationDIB::friendlyName() const
+{
+    return _data + 24;
+}
+
+
+void KnxIpDeviceInformationDIB::friendlyName(const uint8_t* value)
+{
+    pushByteArray(value, LEN_FRIENDLY_NAME, _data + 24);
+}

src/knx/knx_ip_device_information_dib.h

@@ -0,0 +1,32 @@
+#pragma once
+#include "knx_ip_dib.h"
+
+#ifdef USE_IP
+#define LEN_DEVICE_INFORMATION_DIB 54
+#define LEN_SERIAL_NUMBER 6
+#define LEN_MAC_ADDRESS 6
+#define LEN_FRIENDLY_NAME 30
+
+class KnxIpDeviceInformationDIB : public KnxIpDIB
+{
+  public:
+    KnxIpDeviceInformationDIB(uint8_t* data);
+    uint8_t medium() const;
+    void medium(uint8_t value);
+    uint8_t status() const;
+    void status(uint8_t value);
+    uint16_t individualAddress() const;
+    void indiviudalAddress(uint16_t value);
+    uint16_t projectInstallationIdentifier() const;
+    void projectInstallationIdentifier(uint16_t value);
+    const uint8_t* serialNumber() const;
+    void serialNumber(const uint8_t* value);
+    uint32_t routingMulicastAddress() const;
+    void routingMulticastAddress(uint32_t value);
+    const uint8_t* macAddress() const;
+    void macAddress(const uint8_t* value);
+    const uint8_t* friendlyName() const;
+    void friendlyName(const uint8_t* value);
+};
+
+#endif

src/knx/knx_ip_dib.cpp

@@ -1,16 +1,28 @@
 #include "knx_ip_dib.h"
 #ifdef USE_IP
-DIB::DIB(uint8_t* data) : _data(data)
+KnxIpDIB::KnxIpDIB(uint8_t* data) : _data(data)
 {}
 
-DescriptionTypeCode DIB::code()
+KnxIpDIB::~KnxIpDIB()
+{}
+
+uint8_t KnxIpDIB::length() const
+{
+    return *_data;
+}
+
+void KnxIpDIB::length(uint8_t value)
+{
+    *_data = value;
+}
+
+DescriptionTypeCode KnxIpDIB::code() const
 {
     return (DescriptionTypeCode)_data[1];
 }
 
-
+void KnxIpDIB::code(DescriptionTypeCode value)
-uint8_t DIB::length()
 {
-    return *_data;
+    _data[1] = value;
 }
 #endif

src/knx/knx_ip_dib.h

@@ -15,13 +15,17 @@ enum DescriptionTypeCode : uint8_t
     MFR_DATA = 0xFE
 };
 
-class DIB
+class KnxIpDIB
 {
   public:
-    DIB(uint8_t* data);
+    KnxIpDIB(uint8_t* data);
-    DescriptionTypeCode code();
+    virtual ~KnxIpDIB();
-    uint8_t length();
+    DescriptionTypeCode code() const;
-  private:
+    void code(DescriptionTypeCode value);
+    uint8_t length() const;
+    void length(uint8_t value);
+
+  protected:
     uint8_t* _data = 0;
 };
 #endif

src/knx/knx_ip_frame.cpp

@@ -1,6 +1,8 @@
 #include "knx_ip_frame.h"
 
 #ifdef USE_IP
+
+#include <cstring>
 #include "bits.h"
 
 #define KNXIP_HEADER_LEN 0x6
@@ -72,7 +74,8 @@ KnxIpFrame::KnxIpFrame(uint16_t length)
     _data = new uint8_t[length];
     _dataLength = length;
     _freeData = true;
-    headerLength(KNXIP_HEADER_LEN);
+    memset(_data, 0, length);
+    headerLength(LEN_KNXIP_HEADER);
     protocolVersion(KnxIp1_0);
     totalLength(length);
 }

src/knx/knx_ip_frame.h

@@ -4,7 +4,7 @@
 #include "config.h"
 #ifdef USE_IP
 
-#define KNXIP_HEADER_LEN 0x6
+#define LEN_KNXIP_HEADER 0x6
 
 enum KnxIpVersion
 {

src/knx/knx_ip_routing_indication.cpp

@@ -14,9 +14,9 @@ KnxIpRoutingIndication::KnxIpRoutingIndication(uint8_t* data,
 }
 
 KnxIpRoutingIndication::KnxIpRoutingIndication(CemiFrame frame)
-    : KnxIpFrame(frame.totalLenght() + KNXIP_HEADER_LEN), _frame(_data + headerLength(), frame.totalLenght())
+    : KnxIpFrame(frame.totalLenght() + LEN_KNXIP_HEADER), _frame(_data + headerLength(), frame.totalLenght())
 {
     serviceTypeIdentifier(RoutingIndication);
-    memcpy(_data + KNXIP_HEADER_LEN, frame.data(), frame.totalLenght());
+    memcpy(_data + LEN_KNXIP_HEADER, frame.data(), frame.totalLenght());
 }
 #endif

src/knx/knx_ip_search_request.cpp

@@ -1,7 +1,7 @@
 #include "knx_ip_search_request.h"
 #ifdef USE_IP
 KnxIpSearchRequest::KnxIpSearchRequest(uint8_t* data, uint16_t length)
-    : KnxIpFrame(data, length), _hpai(data + KNXIP_HEADER_LEN)
+    : KnxIpFrame(data, length), _hpai(data + LEN_KNXIP_HEADER)
 {
 }
 

src/knx/knx_ip_search_response.cpp

@@ -2,3 +2,62 @@
 #ifdef USE_IP
 
 #endif
+
+#define SERVICE_FAMILIES 2
+
+KnxIpSearchResponse::KnxIpSearchResponse(IpParameterObject& parameters, DeviceObject& deviceObject)
+    : KnxIpFrame(LEN_KNXIP_HEADER + LEN_IPHPAI + LEN_DEVICE_INFORMATION_DIB + 2 + 2 * SERVICE_FAMILIES),
+      _controlEndpoint(_data + LEN_KNXIP_HEADER), _deviceInfo(_data + LEN_KNXIP_HEADER + LEN_IPHPAI),
+      _supportedServices(_data + LEN_KNXIP_HEADER + LEN_IPHPAI + LEN_DEVICE_INFORMATION_DIB)
+{
+    serviceTypeIdentifier(SearchResponse);
+
+    _controlEndpoint.length(LEN_IPHPAI);
+    _controlEndpoint.code(IPV4_UDP);
+    _controlEndpoint.ipAddress(parameters.propertyValue<uint32_t>(PID_CURRENT_IP_ADDRESS));
+    _controlEndpoint.ipPortNumber(KNXIP_MULTICAST_PORT);
+
+    _deviceInfo.length(LEN_DEVICE_INFORMATION_DIB);
+    _deviceInfo.code(DEVICE_INFO);
+    _deviceInfo.medium(0x20); //KNX-IP FIXME get this value from somewhere else
+    _deviceInfo.status(deviceObject.progMode());
+    _deviceInfo.indiviudalAddress(parameters.propertyValue<uint16_t>(PID_KNX_INDIVIDUAL_ADDRESS));
+    _deviceInfo.projectInstallationIdentifier(parameters.propertyValue<uint16_t>(PID_PROJECT_INSTALLATION_ID));
+    _deviceInfo.serialNumber(deviceObject.propertyData(PID_SERIAL_NUMBER));
+    //_deviceInfo.routingMulticastAddress(parameters.propertyValue<uint32_t>(PID_ROUTING_MULTICAST_ADDRESS));
+    _deviceInfo.routingMulticastAddress(0);
+
+    uint8_t mac_address[LEN_MAC_ADDRESS] = {0};
+    Property* prop = parameters.property(PID_MAC_ADDRESS);
+    prop->read(mac_address);
+    _deviceInfo.macAddress(mac_address);
+    
+    uint8_t friendlyName[LEN_FRIENDLY_NAME] = {0};
+    prop = parameters.property(PID_FRIENDLY_NAME);
+    prop->read(1, LEN_FRIENDLY_NAME, friendlyName);
+    _deviceInfo.friendlyName(friendlyName);
+
+    _supportedServices.length(2 + 2 * SERVICE_FAMILIES);
+    _supportedServices.code(SUPP_SVC_FAMILIES);
+    _supportedServices.serviceVersion(Core, 1);
+    _supportedServices.serviceVersion(DeviceManagement, 1);
+//    _supportedServices.serviceVersion(Routing, 1);
+}
+
+
+IpHostProtocolAddressInformation& KnxIpSearchResponse::controlEndpoint()
+{
+    return _controlEndpoint;
+}
+
+
+KnxIpDeviceInformationDIB& KnxIpSearchResponse::deviceInfo()
+{
+    return _deviceInfo;
+}
+
+
+KnxIpSupportedServiceDIB& KnxIpSearchResponse::supportedServices()
+{
+    return _supportedServices;
+}

src/knx/knx_ip_search_response.h

@@ -2,12 +2,22 @@
 
 #include "knx_ip_frame.h"
 #include "ip_host_protocol_address_information.h"
+#include "knx_ip_device_information_dib.h"
+#include "knx_ip_supported_service_dib.h"
+#include "ip_parameter_object.h"
 #ifdef USE_IP
 
 class KnxIpSearchResponse : public KnxIpFrame
 {
+  public:
+    KnxIpSearchResponse(IpParameterObject& parameters, DeviceObject& deviceObj);
     IpHostProtocolAddressInformation& controlEndpoint();
-    
+    KnxIpDeviceInformationDIB& deviceInfo();
+    KnxIpSupportedServiceDIB& supportedServices();
+  private:
+    IpHostProtocolAddressInformation _controlEndpoint;
+    KnxIpDeviceInformationDIB _deviceInfo;
+    KnxIpSupportedServiceDIB _supportedServices;
 };
 
 #endif

src/knx/knx_ip_supported_service_dib.cpp

@@ -0,0 +1,41 @@
+#include "knx_ip_supported_service_dib.h"
+
+KnxIpSupportedServiceDIB::KnxIpSupportedServiceDIB(uint8_t* data) : KnxIpDIB(data)
+{}
+
+
+uint8_t KnxIpSupportedServiceDIB::serviceVersion(ServiceFamily family)
+{
+    uint8_t* start = _data + 2;
+    uint8_t* end = _data + length();
+
+    for (uint8_t* it = start; it < end; it += 2)
+    {
+        if (*it == family)
+            return it[1];
+    }
+    return 0;
+}
+
+
+void KnxIpSupportedServiceDIB::serviceVersion(ServiceFamily family,  uint8_t version)
+{
+    uint8_t* start = _data + 2;
+    uint8_t* end = _data + length();
+
+    for (uint8_t* it = start; it < end; it += 2)
+    {
+        if (*it == family)
+        {
+            it[1] = version;
+            break;
+        }
+
+        if (*it == 0)
+        {
+            *it = family;
+            it[1] = version;
+            break;
+        }
+    }
+}

src/knx/knx_ip_supported_service_dib.h

@@ -0,0 +1,23 @@
+#pragma once
+#include "knx_ip_dib.h"
+
+#ifdef USE_IP
+enum ServiceFamily : uint8_t
+{
+    Core = 2,
+    DeviceManagement = 3,
+    Tunnelling = 4,
+    Routing = 5,
+    RemoteLogging = 6,
+    RemoteConfigDiag = 7,
+    ObjectServer = 8
+};
+
+class KnxIpSupportedServiceDIB : public KnxIpDIB
+{
+  public:
+    KnxIpSupportedServiceDIB(uint8_t* data);
+    uint8_t serviceVersion(ServiceFamily family);
+    void serviceVersion(ServiceFamily family, uint8_t version);
+};
+#endif

src/knx/platform.cpp

@@ -83,25 +83,12 @@ bool Platform::sendBytesMultiCast(uint8_t *buffer, uint16_t len)
     return false;
 }
 
-int Platform::readBytesMultiCast(uint8_t *buffer, uint16_t maxLen)
+bool Platform::sendBytesUniCast(uint32_t addr, uint16_t port, uint8_t* buffer, uint16_t len)
-{
-    return 0;
-}
-
-void Platform::setupUniCast(uint32_t addr, uint16_t port, uint8_t type)
-{}
-
-
-void Platform::closeUniCast()
-{}
-
-
-bool Platform::sendBytesUniCast(uint8_t* buffer, uint16_t len)
 {
     return false;
 }
 
-int Platform::readBytesUniCast(uint8_t *buffer, uint16_t maxLen)
+int Platform::readBytesMultiCast(uint8_t *buffer, uint16_t maxLen)
 {
     return 0;
 }

src/knx/platform.h

@@ -31,10 +31,7 @@ class Platform
     virtual int readBytesMultiCast(uint8_t* buffer, uint16_t maxLen);
 
     //unicast socket
-    virtual void setupUniCast(uint32_t addr, uint16_t port, uint8_t type);
+    virtual bool sendBytesUniCast(uint32_t addr, uint16_t port, uint8_t* buffer, uint16_t len);
-    virtual void closeUniCast();
-    virtual bool sendBytesUniCast(uint8_t* buffer, uint16_t len);
-    virtual int readBytesUniCast(uint8_t* buffer, uint16_t maxLen);
     
     //UART
     virtual void setupUart();

src/knx/property.cpp

@@ -100,9 +100,10 @@ uint8_t Property::ElementSize() const
             return 19;
         case PDT_GENERIC_20:
             return 20;
-    }
+        default:
             return 0;
     }
+}
 
 Property::Property(PropertyID id, bool writeEnable, PropertyDataType type,
                    uint16_t maxElements, uint8_t access)
@@ -151,6 +152,10 @@ uint8_t Property::read(uint32_t& value) const
     return count;
 }
 
+uint8_t Property::read(uint8_t* value) const
+{
+    return read(1, 1, value);
+}
 
 uint8_t Property::write(uint8_t value)
 {

src/knx/property.h

@@ -241,6 +241,7 @@ class Property : public SaveRestore
     uint8_t read(uint8_t& value) const;
     uint8_t read(uint16_t& value) const;
     uint8_t read(uint32_t& value) const;
+    uint8_t read(uint8_t* value) const;
     uint8_t write(uint8_t value);
     uint8_t write(uint16_t value);
     uint8_t write(uint16_t position, uint16_t value);

src/knx/rf_data_link_layer.cpp

@@ -32,7 +32,7 @@ bool RfDataLinkLayer::sendFrame(CemiFrame& frame)
         // or the RF domain address that was programmed by ETS
         if (frame.systemBroadcast() == SysBroadcast)
         {
-            frame.rfSerialOrDoA((uint8_t*)_deviceObject.knxSerialNumber());
+            frame.rfSerialOrDoA((uint8_t*)_deviceObject.propertyData(PID_SERIAL_NUMBER));
         }
         else
         {

src/knx/transport_layer.cpp

@@ -210,6 +210,8 @@ void TransportLayer::dataIndividualIndication(uint16_t destination, HopCountType
             case Connecting:
                 A10(source);
                 break;
+            default: /* do nothing */
+                break;
             }
         }
         break;
@@ -351,6 +353,9 @@ void TransportLayer::dataIndividualConfirm(AckType ack, uint16_t destination, Ho
         //E24
         //A0: do nothing
         break;
+    default:
+        break;
+        /* DataGroup and DataBroadcast should not appear here. If they do ignore them. */
     }
 }
 

src/knx_facade.h

@@ -71,7 +71,7 @@ template <class P, class B> class KnxFacade : private SaveRestore
 
     void enabled(bool value)
     {
-        _bau.enabled(true);
+        _bau.enabled(value);
     }
 
     bool progMode()

src/linux_platform.cpp

@@ -111,7 +111,6 @@ LinuxPlatform::LinuxPlatform()
                 {
                     char* pEnd;
                     _defaultGateway = ntohl(strtol(g, &pEnd, 16));
-                  
                 }
                 break;
             }
@@ -992,72 +991,17 @@ void delayMicroseconds(unsigned int howLong)
     }
 }
 
-void LinuxPlatform::setupUniCast(uint32_t addr, uint16_t port, uint8_t type)
+bool LinuxPlatform::sendBytesUniCast(uint32_t addr, uint16_t port, uint8_t* buffer, uint16_t len)
-{
-    if (_unicastSocketFd >= 0)
-        closeUniCast();
-
-    _unicastAddr = addr;
-    _unicastPort = port;
-    _unicastType = type;
-
-    uint32_t loop = 1;
-
-    struct sockaddr_in sin;
-    memset(&sin, 0, sizeof(sin));
-    sin.sin_family = AF_INET;
-    sin.sin_addr.s_addr = htonl(INADDR_ANY);
-    sin.sin_port = htons(port);
-
-    int socketType = 0;
-    if (type == IPV4_UDP)
-        socketType = SOCK_DGRAM;
-    else
-        socketType = SOCK_STREAM;
-
-    _unicastSocketFd = socket(AF_INET, socketType, 0);
-    if (_unicastSocketFd == -1)
-    {
-        perror("socket()");
-        fatalError();
-    }
-
-    /* Mehr Prozessen erlauben, denselben Port zu nutzen */
-    loop = 1;
-    if (setsockopt(_unicastSocketFd, SOL_SOCKET, SO_REUSEADDR, &loop, sizeof(loop)) < 0)
-    {
-        perror("setsockopt:SO_REUSEADDR");
-        fatalError();
-    }
-
-    if (bind(_unicastSocketFd, (struct sockaddr*)&sin, sizeof(sin)) < 0)
-    {
-        perror("bind");
-        fatalError();
-    }
-
-    uint32_t flags = fcntl(_unicastSocketFd, F_GETFL);
-    flags |= O_NONBLOCK;
-    fcntl(_unicastSocketFd, F_SETFL, flags);
-}
-
-void LinuxPlatform::closeUniCast()
-{
-    close(_unicastSocketFd);
-    _unicastSocketFd = -1;
-}
-
-bool LinuxPlatform::sendBytesUniCast(uint8_t* buffer, uint16_t len)
 {
     struct sockaddr_in address = {0};
     address.sin_family = AF_INET;
-    address.sin_addr.s_addr = htonl(_unicastAddr);
+    address.sin_addr.s_addr = htonl(addr);
-    address.sin_port = htons(_unicastPort);
+    address.sin_port = htons(port);
 
     ssize_t retVal = 0;
     do
     {
-        retVal = sendto(_unicastSocketFd, buffer, len, 0, (struct sockaddr*)&address, sizeof(address));
+        retVal = sendto(_multicastSocketFd, buffer, len, 0, (struct sockaddr*)&address, sizeof(address));
         if (retVal == -1)
         {
             if (errno != EAGAIN && errno != EWOULDBLOCK)
@@ -1068,38 +1012,21 @@ bool LinuxPlatform::sendBytesUniCast(uint8_t* buffer, uint16_t len)
     return true;
 }
 
-int LinuxPlatform::readBytesUniCast(uint8_t* buffer,
-                                    uint16_t maxLen)
-{
-    uint32_t sin_len;
-    struct sockaddr_in sin;
-
-    sin_len = sizeof(sin);
-    ssize_t len = recvfrom(_unicastSocketFd, buffer, maxLen, 0, (struct sockaddr*)&sin, &sin_len);
-    //    if (len > 0)
-    //        printHex("->", buffer, len);
-
-    return len;
-}
-
 void LinuxPlatform::macAddress(uint8_t* mac_address)
 {
     memcpy(mac_address, _macAddress, IFHWADDRLEN);
 }
 
-
 uint32_t LinuxPlatform::currentIpAddress()
 {
     return _ipAddress;
 }
 
-
 uint32_t LinuxPlatform::currentSubnetMask()
 {
     return _netmask;
 }
 
-
 uint32_t LinuxPlatform::currentDefaultGateway()
 {
     return _defaultGateway;

src/linux_platform.h

@@ -38,11 +38,7 @@ public:
     void closeMultiCast() override;
     bool sendBytesMultiCast(uint8_t* buffer, uint16_t len) override;
     int readBytesMultiCast(uint8_t* buffer, uint16_t maxLen) override;
-
+    bool sendBytesUniCast(uint32_t addr, uint16_t port, uint8_t* buffer, uint16_t len) override;
-    void setupUniCast(uint32_t addr, uint16_t port, uint8_t type);
-    void closeUniCast();
-    bool sendBytesUniCast(uint8_t* buffer, uint16_t len);
-    int readBytesUniCast(uint8_t* buffer, uint16_t maxLen);
     
     //spi
     void setupSpi() override;
@@ -59,11 +55,6 @@ public:
     uint16_t _multicastPort = -1;
     int _multicastSocketFd = -1;
 
-    uint32_t _unicastAddr = -1;
-    uint16_t _unicastPort = -1;
-    int _unicastSocketFd = -1;
-    uint8_t _unicastType = -1;
-
     void doMemoryMapping();
     uint8_t* _mappedFile = 0;
     int _fd = -1;