91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
#ifndef NETWORKPROTOCOL_H
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#define NETWORKPROTOCOL_H
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#define USE_BYTEARRAY_IN_SEND
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#include "GlobalDefine.h"
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#include "ProtocolDefs.h"
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#include "AbstractNetworkInterface.h"
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#include <QByteArray>
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class CNetworkProtocol
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{
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public:
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CNetworkProtocol();
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~CNetworkProtocol();
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QByteArray GetTxPacket(unsigned char MessageID, unsigned char Flags, const char *Data, int Size, unsigned char Address, unsigned char ID, unsigned char SenderDevice = ID_MASTER, unsigned char SenderAddress = 1);
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int AnalyzeRxBuffer(QByteArray Buffer);
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void PrepareForNewPacket();
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void SetManualPacketReset(bool Manual);
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virtual int NewFrameReceived(int DeviceID, int DeviceAddress, int MessageID, int DataSize, QByteArray Data) = 0;
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enum ProtocolRetValues
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{
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PROTOCOL_RET_OK_PACKET_COMPLETE,
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PROTOCOL_RET_OK_PACKET_INCOMPLETE,
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PROTOCOL_RET_OK_BAD_HEADER,
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PROTOCOL_RET_ERROR_INVALID_TARGET_DEVICE,
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PROTOCOL_RET_ERROR_INVALID_TARGET_ADDRESS,
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PROTOCOL_RET_ERROR_BAD_CRC,
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PROTOCOL_RET_ERROR_SM_LOGIC,
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PROTOCOL_RET_ERROR_EMPTY_BUFFER
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};
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char ProtocolGetSenderID(){return SenderID;}
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char ProtocolGetSenderAddress(){return SenderAddress;}
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int ProtocolGetCmd(){return RxCmd;}
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int ProtocolGetDataSize(){return RxSize;}
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QByteArray ProtocolGetData(){return mDataBuffer;}
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private:
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void ResetRxStateMachine();
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unsigned char CalcCRC(char *Buffer, int Size);
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// int TxData(unsigned char MessageID,unsigned char Flags,unsigned char *Data,int Size, unsigned char Address,unsigned char ID);
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int RxStateMachine(unsigned char Data);
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//State Machine states
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enum States
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{
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Initialization,
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RxHeader,
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RxID,
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RxAdd,
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RxMyID,
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RxMyAddress,
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RxFlags,
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RxCMD,
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RxSize1,
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RxSize2,
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RxSize3,
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RxSize4,
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RxData,
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RxCRC
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};
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bool mIsResetManual;
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char *RxBuff;
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char mRxData[MAX_MESSAGE_SIZE];
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int RxState;
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int RxSize;
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char SenderID;
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char SenderAddress;
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int RxCmd;
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int DataCnt;
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int BufPtr;
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unsigned char CRC;
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unsigned char Flags;
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unsigned char State;
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QByteArray mDataBuffer;
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};
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#endif // NETWORKPROTOCOL_H
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