85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
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#ifndef FRAMEWORK_TMTCPACKET_PUS_TMPACKETMINIMAL_H_
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#define FRAMEWORK_TMTCPACKET_PUS_TMPACKETMINIMAL_H_
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#include "../../tmtcpacket/SpacePacketBase.h"
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#include "../../returnvalues/HasReturnvaluesIF.h"
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struct timeval;
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class PacketTimestampInterpreterIF;
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/**
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* This is a minimal version of a PUS TmPacket without any variable field, or,
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* in other words with Service Type, Subtype and subcounter only.
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* This is required for handling TM packets with different APIDs with different
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* secondary headers.
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*/
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class TmPacketMinimal : public SpacePacketBase {
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public:
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/**
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* This is the default constructor.
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* It sets its internal data pointer to the address passed and also
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* forwards the data pointer to the parent SpacePacketBase class.
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* @param set_address The position where the packet data lies.
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*/
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TmPacketMinimal( const uint8_t* set_data );
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/**
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* This is the empty default destructor.
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*/
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virtual ~TmPacketMinimal();
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/**
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* This is a getter for the packet's PUS Service ID, which is the second
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* byte of the Data Field Header.
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* @return The packet's PUS Service ID.
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*/
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uint8_t getService();
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/**
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* This is a getter for the packet's PUS Service Subtype, which is the
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* third byte of the Data Field Header.
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* @return The packet's PUS Service Subtype.
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*/
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uint8_t getSubService();
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/**
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* Returns the subcounter.
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* @return the subcounter of the Data Field Header.
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*/
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uint8_t getPacketSubcounter();
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struct PUSTmMinimalHeader {
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uint8_t version_type_ack;
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uint8_t service_type;
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uint8_t service_subtype;
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uint8_t subcounter;
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};
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ReturnValue_t getPacketTime(timeval* timestamp);
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ReturnValue_t getPacketTimeRaw(const uint8_t** timePtr, uint32_t* size);
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static void setInterpretTimestampObject(PacketTimestampInterpreterIF* interpreter);
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/**
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* This struct defines the data structure of a PUS Telecommand 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 TmPacketMinimalPointer {
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CCSDSPrimaryHeader primary;
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PUSTmMinimalHeader data_field;
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uint8_t rest;
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};
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//Must include a checksum and is therefore at least one larger than the above struct.
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static const uint16_t MINIMUM_SIZE = sizeof(TmPacketMinimalPointer) +1;
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protected:
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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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TmPacketMinimalPointer* tm_data;
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static PacketTimestampInterpreterIF* timestampInterpreter;
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};
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#endif /* FRAMEWORK_TMTCPACKET_PUS_TMPACKETMINIMAL_H_ */
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