89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
#ifndef FSFW_TMTCPACKET_PUS_TCPACKETPUSA_H_
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#define FSFW_TMTCPACKET_PUS_TCPACKETPUSA_H_
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#include "../../../FSFW.h"
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#include "../../ccsds_header.h"
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#include "TcPacketBase.h"
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#include <cstdint>
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/**
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* This struct defines a byte-wise structured PUS TC A Data Field Header.
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* Any optional fields in the header must be added or removed here.
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* Currently, the Source Id field is present with one byte.
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* @ingroup tmtcpackets
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*/
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struct PUSTcDataFieldHeader {
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uint8_t versionTypeAck;
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uint8_t serviceType;
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uint8_t serviceSubtype;
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#if FSFW_USE_PUS_C_TELECOMMANDS == 1
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uint16_t sourceId;
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#else
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uint8_t sourceId;
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#endif
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};
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/**
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* This struct defines the data structure of a PUS Telecommand A packet when
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* accessed via a pointer.
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* @ingroup tmtcpackets
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*/
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struct TcPacketPointer {
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CCSDSPrimaryHeader primary;
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PUSTcDataFieldHeader dataField;
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uint8_t appData;
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};
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class TcPacketPus: public TcPacketBase {
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public:
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static const uint16_t TC_PACKET_MIN_SIZE = (sizeof(CCSDSPrimaryHeader) +
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sizeof(PUSTcDataFieldHeader) + 2);
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/**
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* Initialize a PUS A telecommand packet which already exists. You can also
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* create an empty (invalid) object by passing nullptr as the data pointer
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* @param setData
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*/
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TcPacketPus(const uint8_t* setData);
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// Base class overrides
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virtual uint8_t getSecondaryHeaderFlag() override;
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virtual uint8_t getPusVersionNumber() override;
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virtual uint8_t getAcknowledgeFlags() override;
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virtual uint8_t getService() const override;
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virtual uint8_t getSubService() override;
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const uint8_t* getApplicationData() const override;
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uint16_t getApplicationDataSize() override;
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uint16_t getErrorControl() override;
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void setErrorControl() override;
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size_t calculateFullPacketLength(size_t appDataLen) override;
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protected:
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void setData(const uint8_t* pData) override;
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/**
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* Initializes the Tc Packet header.
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* @param apid APID used.
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* @param sequenceCount Sequence Count in the primary header.
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* @param ack Which acknowledeges are expected from the receiver.
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* @param service PUS Service
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* @param subservice PUS Subservice
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*/
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void initializeTcPacket(uint16_t apid, uint16_t sequenceCount, uint8_t ack,
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uint8_t service, uint8_t subservice);
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/**
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* A pointer to a structure which defines the data structure of
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* the packet's data.
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*
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* To be hardware-safe, all elements are of byte size.
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*/
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TcPacketPointer* tcData = nullptr;
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};
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#endif /* FSFW_TMTCPACKET_PUS_TCPACKETPUSA_H_ */
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