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https://github.com/thelsing/knx.git
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95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
#pragma once
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#include "knx_types.h"
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#include "stdint.h"
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#include "npdu.h"
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#include "tpdu.h"
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#include "apdu.h"
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#include "config.h"
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#define NPDU_LPDU_DIFF 8
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#define TPDU_NPDU_DIFF 1
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#define APDU_TPDU_DIFF 0
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#define TPDU_LPDU_DIFF (TPDU_NPDU_DIFF + NPDU_LPDU_DIFF)
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#define APDU_LPDU_DIFF (APDU_TPDU_DIFF + TPDU_NPDU_DIFF + NPDU_LPDU_DIFF)
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// Mesg Code and additional info length
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#define CEMI_HEADER_SIZE 2
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class CemiFrame
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{
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friend class DataLinkLayer;
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public:
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CemiFrame(uint8_t* data, uint16_t length);
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CemiFrame(uint8_t apduLength);
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CemiFrame(const CemiFrame& other);
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CemiFrame& operator=(CemiFrame other);
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MessageCode messageCode() const;
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void messageCode(MessageCode value);
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uint16_t totalLenght() const;
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uint16_t telegramLengthtTP() const;
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void fillTelegramTP(uint8_t* data);
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uint16_t telegramLengthtRF() const;
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void fillTelegramRF(uint8_t* data);
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uint8_t* data();
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uint16_t dataLength();
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FrameFormat frameType() const;
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void frameType(FrameFormat value);
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Repetition repetition() const;
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void repetition(Repetition value);
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SystemBroadcast systemBroadcast() const;
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void systemBroadcast(SystemBroadcast value);
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Priority priority() const;
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void priority(Priority value);
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AckType ack() const;
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void ack(AckType value);
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Confirm confirm() const;
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void confirm(Confirm value);
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AddressType addressType() const;
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void addressType(AddressType value);
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uint8_t hopCount() const;
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void hopCount(uint8_t value);
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uint16_t sourceAddress() const;
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void sourceAddress(uint16_t value);
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uint16_t destinationAddress() const;
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void destinationAddress(uint16_t value);
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#ifdef USE_RF
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// only for RF medium
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uint8_t* rfSerialOrDoA() const;
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void rfSerialOrDoA(const uint8_t* rfSerialOrDoA);
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uint8_t rfInfo() const;
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void rfInfo(uint8_t rfInfo);
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uint8_t rfLfn() const;
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void rfLfn(uint8_t rfInfo);
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#endif
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NPDU& npdu();
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TPDU& tpdu();
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APDU& apdu();
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uint8_t calcCrcTP(uint8_t* buffer, uint16_t len);
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bool valid() const;
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private:
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uint8_t buffer[0xff + NPDU_LPDU_DIFF] = {0}; //only valid of add info is zero
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uint8_t* _data = 0;
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uint8_t* _ctrl1 = 0;
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NPDU _npdu;
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TPDU _tpdu;
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APDU _apdu;
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uint16_t _length = 0; // only set if created from byte array
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#ifdef USE_RF
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// FIXME: integrate this propery in _data
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// only for RF medium
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uint8_t* _rfSerialOrDoA = 0;
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uint8_t _rfInfo = 0;
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uint8_t _rfLfn = 0xFF; // RF Data Link layer frame number
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#endif
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uint8_t _sourceInterfaceIndex;
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};
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