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55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
#pragma once
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#include "config.h"
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#ifdef USE_CEMI_SERVER
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#include <stdint.h>
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#include "knx_types.h"
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#include "usb_tunnel_interface.h"
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class BauSystemB;
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class DataLinkLayer;
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class CemiFrame;
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/**
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* This is an implementation of the cEMI server as specified in @cite knx:3/6/3.
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* Overview on page 57.
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* It provides methods for the BusAccessUnit to do different things and translates this
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* call to an cEMI frame and calls the correct method of the data link layer.
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* It also takes calls from data link layer, decodes the submitted cEMI frames and calls the corresponding
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* methods of the BusAccessUnit class.
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*/
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class CemiServer
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{
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public:
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/**
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* The constructor.
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* @param bau methods are called here depending of the content of the APDU
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*/
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CemiServer(BauSystemB& bau);
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void dataLinkLayer(DataLinkLayer& layer);
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// from data link layer
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// Only L_Data service
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void dataIndicationToTunnel(CemiFrame& frame);
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void dataConfirmationToTunnel(CemiFrame& frame);
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// From tunnel interface
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void frameReceived(CemiFrame& frame);
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uint16_t clientAddress() const;
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void clientAddress(uint16_t value);
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void loop();
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private:
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uint16_t _clientAddress = 0;
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uint8_t _frameNumber = 0;
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DataLinkLayer* _dataLinkLayer = nullptr;
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BauSystemB& _bau;
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UsbTunnelInterface _usbTunnelInterface;
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};
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#endif |