2016-06-15 23:48:41 +02:00
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/**
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* @file Farm1StateOpen.h
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* @brief This file defines the Farm1StateOpen class.
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* @date 24.04.2013
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* @author baetz
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*/
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#ifndef FARM1STATEOPEN_H_
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#define FARM1STATEOPEN_H_
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2020-08-13 20:53:35 +02:00
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#include "Farm1StateIF.h"
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2016-06-15 23:48:41 +02:00
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/**
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* This class represents the FARM-1 "Open" State.
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* The Open state is the state of normal operation. It handles all types of frames,
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* including AD Frames. If a wrong Frame Sequence Number is detected in an AD Frame, the
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* State reacts as specified.
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*/
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class Farm1StateOpen : public Farm1StateIF {
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private:
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/**
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* This is a reference to the "owner" class the State works on.
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*/
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VirtualChannelReception* myVC;
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public:
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/**
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* The default constructor if the State.
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* Sets the "owner" of the State.
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* @param setMyVC The "owner" class.
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*/
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Farm1StateOpen( VirtualChannelReception* setMyVC );
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/**
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* Method to check the validity of AD Frames.
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* It checks the Frame Sequence Number and reacts as specified in the standard. The state may
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* change to Farm1StateLockout.
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* @param frame The frame to handle.
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* @param clcw Any changes to the CLCW shall be done with the help of this interface.
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2018-07-12 16:29:32 +02:00
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* @return If the Sequence Number is ok, it returns #RETURN_OK. Otherwise either #NS_POSITIVE_W,
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2016-06-15 23:48:41 +02:00
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* #NS_NEGATIVE_W or NS_LOCKOUT is returned.
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*/
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ReturnValue_t handleADFrame( TcTransferFrame* frame, ClcwIF* clcw );
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/**
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* These commands are handled as specified.
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* State does not change.
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* @param clcw Any changes to the CLCW shall be done with the help of this interface.
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* @return As the frame needs no forwarding to a MAP Channel, #BC_IS_UNLOCK_COMMAND
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* is returned.
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*/
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ReturnValue_t handleBCUnlockCommand( ClcwIF* clcw );
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/**
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* These commands are handled as specified.
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* State does not change.
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* @param clcw Any changes to the CLCW shall be done with the help of this interface.
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* @param vr The V(r) value found in the frame.
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* @return As the frame needs no forwarding to a MAP Channel, #BC_IS_SET_VR_COMMAND
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* is returned.
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*/
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ReturnValue_t handleBCSetVrCommand( ClcwIF* clcw, uint8_t vr );
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};
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#endif /* FARM1STATEOPEN_H_ */
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