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99 lines
4.1 KiB
C++
99 lines
4.1 KiB
C++
#pragma once
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#include <stdint.h>
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#include "knx_types.h"
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#include "tpdu.h"
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#include "address_table_object.h"
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#include "cemi_frame.h"
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class ApplicationLayer;
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class APDU;
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class NetworkLayer;
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class Platform;
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enum StateType { Closed, OpenIdle, OpenWait, Connecting };
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class TransportLayer
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{
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public:
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TransportLayer(ApplicationLayer& layer, AddressTableObject& gat, Platform& platform);
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void networkLayer(NetworkLayer& layer);
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// from network layer
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void dataIndividualIndication(uint16_t destination, HopCountType hopType, Priority priority, uint16_t source, TPDU& tpdu);
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void dataIndividualConfirm(AckType ack, uint16_t destination, HopCountType hopType, Priority priority, TPDU& tpdu, bool status);
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void dataGroupIndication(uint16_t destination, HopCountType hopType, Priority priority, uint16_t source, TPDU& tpdu);
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void dataGroupConfirm(AckType ack, uint16_t source, uint16_t destination, HopCountType hopType, Priority priority, TPDU& tpdu, bool status);
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void dataBroadcastIndication(HopCountType hopType, Priority priority, uint16_t source, TPDU& tpdu);
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void dataBroadcastConfirm(AckType ack, HopCountType hopType, Priority priority, TPDU& tpdu, bool status);
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void dataSystemBroadcastIndication(HopCountType hopType, Priority priority, uint16_t source, TPDU& tpdu);
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void dataSystemBroadcastConfirm(AckType ack, HopCountType hopType, TPDU& tpdu, Priority priority, bool status);
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// fromp application layer
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void dataGroupRequest(AckType ack, HopCountType hopType, Priority priority, uint16_t tsap, APDU& apdu);
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void dataBroadcastRequest(AckType ack, HopCountType hopType, Priority priority, APDU& apdu);
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void dataSystemBroadcastRequest(AckType ack, HopCountType hopType, Priority priority, APDU& apdu);
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void dataIndividualRequest(AckType ack, HopCountType hopType, Priority priority, uint16_t destination, APDU& apdu);
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void connectRequest(uint16_t destination, Priority priority);
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void disconnectRequest(uint16_t tsap, Priority priority);
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// apdu must be valid until it was confirmed
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void dataConnectedRequest(uint16_t tsap, Priority priority, APDU& apdu);
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// other
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void connectionTimeoutIndication();
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void ackTimeoutIndication();
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void loop();
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private:
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#pragma region States
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Priority _savedPriority = LowPriority;
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CemiFrame _savedFrame;
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Priority _savedPriorityConnecting;
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CemiFrame _savedFrameConnecting;
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uint16_t _savedTsapConnecting;
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bool _savedConnectingValid = false;
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enum StateEvent
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{
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E0, E1, E2, E3, E4, E5, E6, E7, E8, E9, E10, E11, E12, E13, E14,
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E15, E16, E17, E18, E19, E20, E21, E22, E23, E24, E25, E26, E27
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};
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StateType _currentState = Closed;
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void sendControlTelegram(TpduType pduType, uint8_t seqNo);
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void A0();
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void A1(uint16_t source);
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void A2(uint16_t source, Priority priority, APDU& apdu);
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void A3(uint16_t source, Priority priority, TPDU& recTpdu);
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void A4(uint16_t source, Priority priority, TPDU& recTpdu);
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void A5(uint16_t source);
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void A6(uint16_t source);
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void A7(Priority priority, APDU& apdu);
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void A8();
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void A9();
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void A10(uint16_t source);
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void A11(uint16_t tsap, Priority priority, APDU& apdu);
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void A12(uint16_t destination, Priority priority);
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void A13(uint16_t destination);
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void A14(uint16_t destination, Priority priority);
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void A15(Priority priority, uint16_t tsap);
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void enableConnectionTimeout();
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void disableConnectionTimeout();
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void enableAckTimeout();
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void disableAckTimeout();
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uint16_t _connectionAddress = 0;
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uint8_t _seqNoSend = 0;
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uint8_t _seqNoRecv = 0;
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bool _connectionTimeoutEnabled = false;
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uint32_t _connectionTimeoutStartMillis = 0;
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uint16_t _connectionTimeoutMillis = 6000;
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bool _ackTimeoutEnabled = false;
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uint32_t _ackTimeoutStartMillis = 0;
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uint16_t _ackTimeoutMillis = 3000;
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uint8_t _repCount = 0;
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uint8_t _maxRepCount = 3;
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#pragma endregion
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ApplicationLayer& _applicationLayer;
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AddressTableObject& _groupAddressTable;
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NetworkLayer* _networkLayer;
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Platform& _platform;
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};
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