fsfw/datalinklayer/Clcw.h

/**
 * @file	Clcw.h
 * @brief	This file defines the Clcw class.
 * @date	17.04.2013
 * @author	baetz
 */

#ifndef CLCW_H_
#define CLCW_H_

#include "ClcwIF.h"
/**
 * Small helper method to handle the Clcw values.
 * It has a content struct that manages the register and can be set externally.
 * @ingroup ccsds_handling
 */
class Clcw : public ClcwIF {
private:
	static const uint8_t STATUS_FIELD_DEFAULT = 0b00000001; //!< Default for the status field.
	static const uint8_t NO_RF_AVIALABLE_POSITION = 7;	//!< Position of a flag in the register (starting with 0).
	static const uint8_t NO_BIT_LOCK_POSITION = 6;	//!< Position of a flag in the register (starting with 0).
	static const uint8_t LOCKOUT_FLAG_POSITION = 5;	//!< Position of a flag in the register (starting with 0).
	static const uint8_t WAIT_FLAG_POSITION = 4;	//!< Position of a flag in the register (starting with 0).
	static const uint8_t RETRANSMIT_FLAG_POSITION = 3;	//!< Position of a flag in the register (starting with 0).
	static const uint8_t NO_RF_AVIALABLE_MASK = 0xFF xor (1 << NO_RF_AVIALABLE_POSITION);	//!< Mask for a flag in the register.
	static const uint8_t NO_BIT_LOCK_MASK = 0xFF xor (1 << NO_BIT_LOCK_POSITION);	//!< Mask for a flag in the register.
	static const uint8_t LOCKOUT_FLAG_MASK = 0xFF xor (1 << LOCKOUT_FLAG_POSITION);	//!< Mask for a flag in the register.
	static const uint8_t WAIT_FLAG_MASK = 0xFF xor (1 << WAIT_FLAG_POSITION);	//!< Mask for a flag in the register.
	static const uint8_t RETRANSMIT_FLAG_MASK = 0xFF xor (1 << RETRANSMIT_FLAG_POSITION);	//!< Mask for a flag in the register.
	static const uint8_t FARM_B_COUNT_MASK = 0b11111001;	//!< Mask for a counter in the register.
	/**
	 * This is the data structure of the CLCW register.
	 */
	union clcwContent {
		uint32_t raw;
		struct {
			uint8_t status;
			uint8_t virtualChannelIdSpare;
			uint8_t flags;
			uint8_t vRValue;
		};
	};
	clcwContent content;	//!< Represents the content of the register.
public:
	/**
	 * The constructor sets everything to default values.
	 */
	Clcw();
	/**
	 * Nothing happens in the destructor.
	 */
	~Clcw();
	void setVirtualChannel( uint8_t setChannel );
	void setLockoutFlag( bool lockout );
	void setWaitFlag( bool waitFlag );
	void setRetransmitFlag( bool retransmitFlag );
	void setFarmBCount( uint8_t count );
	void setReceiverFrameSequenceNumber( uint8_t vR );
	void setRFAvailable( bool rfAvailable );
	void setBitLock( bool bitLock );
	uint32_t getAsWhole();
	void setWhole( uint32_t rawClcw );
	void print();
};

#endif /* CLCW_H_ */