fsfw/datalinklayer/Clcw.h
2020-08-13 20:53:35 +02:00

67 lines
2.5 KiB
C++

/**
* @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_ */