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document multicast methods of applicationlayer and transportlayer

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Thomas Kunze 2019-07-05 23:53:43 +02:00
parent 1321d62e40
commit 63d6d07e86
6 changed files with 144 additions and 57 deletions
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1
.gitignore vendored
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@ -26,6 +26,7 @@ flash.bin
build
dist
*.egg-info
doxyoutput
# Visual Studio 2015 cache/options directory
.vs/

16
doc/references.bib
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@ -1,3 +1,19 @@
@manual{knx:3/3/4,
organization = "KNX Association",
title = "KNX System Specifications Chapter 3/3/7 Application Layer",
year = 2013,
month = 11,
note = "v01.02.02"
}
@manual{knx:3/3/7,
organization = "KNX Association",
title = "KNX System Specifications Chapter 3/3/7 Application Layer",
year = 2013,
month = 12,
note = "v01.06.02"
}
@manual{knx:3/4/1,
organization = "KNX Association",
title = "KNX System Specifications Chapter 3/4/1 Application Interface Layer",

1
src/knx/address_table_object.h
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@ -14,6 +14,7 @@ class AddressTableObject: public TableObject
public:
/**
* The contructor.
*
* @param platform This parameter is only passed to the custructor of TableObject an not used by this class.
*/
AddressTableObject(Platform& platform);

131
src/knx/application_layer.h
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@ -7,18 +7,64 @@
class AssociationTableObject;
class BusAccessUnit;
class TransportLayer;
/**
* This is an implementation of the application layer as specified in @cite knx:3/5/1.
* It provides methods for the BusAccessUnit to do different things and translates this
* call to an APDU and calls the correct method of the TransportLayer.
* It also takes calls from TransportLayer, decodes the submitted APDU and calls the coresponding
* methods of the BusAccessUnit class.
*/
class ApplicationLayer
{
public:
public:
/**
* The constructor.
* @param assocTable The AssociationTable is used to translate between asap (i.e. group objects) and group addresses.
* @param bau methods are called here depending of the content of the APDU
*/
ApplicationLayer(AssociationTableObject& assocTable, BusAccessUnit& bau);
/**
* Assigns the TransportLayer to which encoded APDU are submitted to.
*/
void transportLayer(TransportLayer& layer);
// from transport layer
#pragma region Transport-Layer-Callbacks
#pragma region Transport - Layer - Callbacks
/**
* Somebody send us an APDU via multicast communiation. See 3.2 of @cite knx:3/3/4.
* See also ApplicationLayer::dataGroupConfirm and TransportLayer::dataGroupRequest.
* This method is called by the TransportLayer.
*
* @param tsap used the find the correct GroupObject with the help of the AssociationTableObject.
* See 3.1.1 of @cite knx:3/3/7
*
* @param apdu The submitted APDU.
*
* @param priority The ::Priority of the received request.
*
* @param hopType Should routing be endless or should the NetworkLayer::hopCount be used? See also ::HopCountType.
*/
void dataGroupIndication(HopCountType hopType, Priority priority, uint16_t tsap, APDU& apdu);
/**
* Report the status of an APDU that we sent via multicast communiation back to us. See 3.2 of @cite knx:3/3/4.
* See also ApplicationLayer::dataGroupConfirm and TransportLayer::dataGroupRequest. This method is called by
* the TransportLayer.
*
* @param tsap used the find the correct GroupObject with the help of the AssociationTableObject.
* See 3.1.1 of @cite knx:3/3/7
*
* @param apdu The submitted APDU.
*
* @param priority The ::Priority of the received request.
*
* @param hopType Should routing be endless or should the NetworkLayer::hopCount be used? See also ::HopCountType.
*
* @param status Was the request successful?
*
* @param ack Did we want a DataLinkLayer acknowledgement? See ::AckType.
*/
void dataGroupConfirm(AckType ack, HopCountType hopType, Priority priority, uint16_t tsap,
APDU& apdu, bool status);
APDU& apdu, bool status);
void dataBroadcastIndication(HopCountType hopType, Priority priority, uint16_t source, APDU& apdu);
void dataBroadcastConfirm(AckType ack, HopCountType hopType, Priority priority, APDU& apdu, bool status);
void dataSystemBroadcastIndication(HopCountType hopType, Priority priority, uint16_t source, APDU& apdu);
@ -33,6 +79,7 @@ public:
void dataConnectedConfirm(uint16_t tsap);
#pragma endregion
#pragma region from bau
void groupValueReadRequest(AckType ack, uint16_t asap, Priority priority, HopCountType hopType);
void groupValueReadResponse(AckType ack, uint16_t asap, Priority priority, HopCountType hopType, uint8_t* data, uint8_t dataLength);
void groupValueWriteRequest(AckType ack, uint16_t asap, Priority priority, HopCountType hopType, uint8_t* data, uint8_t dataLength);
@ -41,52 +88,54 @@ public:
void individualAddressReadResponse(AckType ack, HopCountType hopType);
void individualAddressSerialNumberReadRequest(AckType ack, HopCountType hopType, uint8_t* serialNumber);
void individualAddressSerialNumberReadResponse(AckType ack, HopCountType hopType, uint8_t* serialNumber,
uint16_t domainAddress);
uint16_t domainAddress);
void individualAddressSerialNumberWriteRequest(AckType ack, HopCountType hopType, uint8_t* serialNumber,
uint16_t newaddress);
uint16_t newaddress);
void deviceDescriptorReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t descriptorType);
uint8_t descriptorType);
void deviceDescriptorReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t descriptorType, uint8_t* deviceDescriptor);
uint8_t descriptorType, uint8_t* deviceDescriptor);
void restartRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap);
void propertyValueReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t objectIndex, uint8_t propertyId, uint8_t numberOfElements, uint16_t startIndex);
uint8_t objectIndex, uint8_t propertyId, uint8_t numberOfElements, uint16_t startIndex);
void propertyValueReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t objectIndex,
uint8_t propertyId, uint8_t numberOfElements, uint16_t startIndex, uint8_t* data, uint8_t length);
void propertyValueWriteRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t objectIndex,
uint8_t propertyId, uint8_t numberOfElements, uint16_t startIndex, uint8_t* data, uint8_t length);
void propertyDescriptionReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t objectIndex, uint8_t propertyId, uint8_t propertyIndex);
void propertyDescriptionReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t objectIndex, uint8_t propertyId, uint8_t propertyIndex, bool writeEnable, uint8_t type,
uint16_t maxNumberOfElements, uint8_t access);
void memoryReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint16_t memoryAddress);
void memoryReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint16_t memoryAddress, uint8_t* data);
void memoryWriteRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint16_t memoryAddress, uint8_t* data);
void userMemoryReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint32_t memoryAddress);
void userMemoryReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint32_t memoryAddress, uint8_t* memoryData);
void userMemoryWriteRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint32_t memoryAddress, uint8_t* memoryData);
void userManufacturerInfoReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap);
void userManufacturerInfoReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t* info);
void authorizeRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint32_t key);
void authorizeResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t level);
void keyWriteRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t level, uint32_t key);
void keyWriteResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t level);
private:
uint8_t propertyId, uint8_t numberOfElements, uint16_t startIndex, uint8_t* data, uint8_t length);
void propertyValueWriteRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t objectIndex,
uint8_t propertyId, uint8_t numberOfElements, uint16_t startIndex, uint8_t* data, uint8_t length);
void propertyDescriptionReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t objectIndex, uint8_t propertyId, uint8_t propertyIndex);
void propertyDescriptionReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t objectIndex, uint8_t propertyId, uint8_t propertyIndex, bool writeEnable, uint8_t type,
uint16_t maxNumberOfElements, uint8_t access);
void memoryReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint16_t memoryAddress);
void memoryReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint16_t memoryAddress, uint8_t* data);
void memoryWriteRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint16_t memoryAddress, uint8_t* data);
void userMemoryReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint32_t memoryAddress);
void userMemoryReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint32_t memoryAddress, uint8_t* memoryData);
void userMemoryWriteRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint32_t memoryAddress, uint8_t* memoryData);
void userManufacturerInfoReadRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap);
void userManufacturerInfoReadResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t* info);
void authorizeRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint32_t key);
void authorizeResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t level);
void keyWriteRequest(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t level, uint32_t key);
void keyWriteResponse(AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t level);
#pragma endregion
private:
void propertyDataSend(ApduType type, AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t objectIndex, uint8_t propertyId, uint8_t numberOfElements, uint16_t startIndex, uint8_t * data,
uint8_t length);
uint8_t objectIndex, uint8_t propertyId, uint8_t numberOfElements, uint16_t startIndex, uint8_t* data,
uint8_t length);
void memorySend(ApduType type, AckType ack, Priority priority, HopCountType hopType, uint16_t asap, uint8_t number,
uint16_t memoryAddress, uint8_t * memoryData);
uint16_t memoryAddress, uint8_t* memoryData);
void userMemorySend(ApduType type, AckType ack, Priority priority, HopCountType hopType, uint16_t asap,
uint8_t number, uint32_t memoryAddress, uint8_t* memoryData);
uint8_t number, uint32_t memoryAddress, uint8_t* memoryData);
void groupValueSend(ApduType type, AckType ack, uint16_t asap, Priority priority, HopCountType hopType, uint8_t* data, uint8_t& dataLength);
void individualIndication(HopCountType hopType, Priority priority, uint16_t tsap, APDU& apdu);
void individualConfirm(AckType ack, HopCountType hopType, Priority priority, uint16_t tsap, APDU& apdu, bool status);

16
src/knx/knx_types.h
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@ -8,16 +8,16 @@ enum FrameFormat
enum Priority
{
LowPriority = 0xC,
NormalPriority = 0x4,
UrgentPriority = 0x8,
SystemPriority = 0x0
LowPriority = 0xC, //!< Normal priority of group communication.
NormalPriority = 0x4, //!< More important telegrams like central functions
UrgentPriority = 0x8, //!< Used for alarms.
SystemPriority = 0x0 //!< Mainly used by ETS for device programming.
};
enum AckType
{
AckDontCare = 0,
AckRequested = 0x2,
AckDontCare = 0, //!< We don't care about DataLinkLayer acknowledgement.
AckRequested = 0x2, //!< We want a DataLinkLayer acknowledgement.
};
enum AddressType
@ -53,8 +53,8 @@ enum Confirm
enum HopCountType
{
UnlimitedRouting,
NetworkLayerParameter
UnlimitedRouting, //!< NPDU::hopCount is set to 7. This means that the frame never expires. This could be a problem if your bus contains a circle.
NetworkLayerParameter //!< use NetworkLayer::hopCount as NPDU::hopCount
};
enum TpduType

26
src/knx/transport_layer.h
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@ -19,7 +19,7 @@ public:
TransportLayer(ApplicationLayer& layer, AddressTableObject& gat, Platform& platform);
void networkLayer(NetworkLayer& layer);
// from network layer
#pragma region from network layer
void dataIndividualIndication(uint16_t destination, HopCountType hopType, Priority priority, uint16_t source, TPDU& tpdu);
void dataIndividualConfirm(AckType ack, uint16_t destination, HopCountType hopType, Priority priority, TPDU& tpdu, bool status);
void dataGroupIndication(uint16_t destination, HopCountType hopType, Priority priority, uint16_t source, TPDU& tpdu);
@ -28,8 +28,25 @@ public:
void dataBroadcastConfirm(AckType ack, HopCountType hopType, Priority priority, TPDU& tpdu, bool status);
void dataSystemBroadcastIndication(HopCountType hopType, Priority priority, uint16_t source, TPDU& tpdu);
void dataSystemBroadcastConfirm(AckType ack, HopCountType hopType, TPDU& tpdu, Priority priority, bool status);
#pragma endregion
// fromp application layer
#pragma region from application layer
/**
* Request to send an APDU that via multicast. See 3.2 of @cite knx:3/3/4.
* See also ApplicationLayer::dataGroupConfirm and ApplicationLayer::dataGroupIndication.
* This method is called by the ApplicationLayer.
*
* @param tsap used the find the correct GroupObject with the help of the AssociationTableObject.
* See 3.1.1 of @cite knx:3/3/7
*
* @param apdu The submitted APDU.
*
* @param priority The ::Priority of the request.
*
* @param hopType Should routing be endless or should the NetworkLayer::hopCount be used? See also ::HopCountType.
*
* @param ack Did we want a DataLinkLayer acknowledgement? See ::AckType.
*/
void dataGroupRequest(AckType ack, HopCountType hopType, Priority priority, uint16_t tsap, APDU& apdu);
void dataBroadcastRequest(AckType ack, HopCountType hopType, Priority priority, APDU& apdu);
void dataSystemBroadcastRequest(AckType ack, HopCountType hopType, Priority priority, APDU& apdu);
@ -39,11 +56,14 @@ public:
void disconnectRequest(uint16_t tsap, Priority priority);
// apdu must be valid until it was confirmed
void dataConnectedRequest(uint16_t tsap, Priority priority, APDU& apdu);
#pragma endregion
// other
#pragma region other
void connectionTimeoutIndication();
void ackTimeoutIndication();
void loop();
#pragma endregion
private:
#pragma region States
Priority _savedPriority = LowPriority;