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addes pus packet c implementation

This commit is contained in:
Robin Müller 2021-04-12 23:55:33 +02:00
parent 9a2fbefc9f
commit f906605097
9 changed files with 237 additions and 40 deletions
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5
timemanager/TimeStamperIF.h
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@ -1,6 +1,7 @@
#ifndef FSFW_TIMEMANAGER_TIMESTAMPERIF_H_
#define FSFW_TIMEMANAGER_TIMESTAMPERIF_H_
#include <FSFWConfig.h>
#include "../returnvalues/HasReturnvaluesIF.h"
/**
@ -16,8 +17,8 @@ public:
//! This is a mission-specific constant and determines the total
//! size reserved for timestamps.
//! TODO: Default define in FSFWConfig ?
static const uint8_t MISSION_TIMESTAMP_SIZE = 8;
static const uint8_t MISSION_TIMESTAMP_SIZE = fsfwconfig::FSFW_MISSION_TIMESTAMP_SIZE;
virtual ReturnValue_t addTimeStamp(uint8_t* buffer,
const uint8_t maxSize) = 0;
virtual ~TimeStamperIF() {}

9
tmtcpacket/pus/TmPacketBase.cpp
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@ -38,7 +38,11 @@ void TmPacketBase::setErrorControl() {
getSourceData()[size + 1] = (crc) & 0X00FF; // CRCL
}
ReturnValue_t TmPacketBase::getPacketTime(timeval* timestamp) const {
size_t tempSize = 0;
return CCSDSTime::convertFromCcsds(timestamp, getPacketTimeRaw(),
&tempSize, getTimestampSize());
}
void TmPacketBase::print() {
#if FSFW_CPP_OSTREAM_ENABLED == 1
@ -52,8 +56,7 @@ bool TmPacketBase::checkAndSetStamper() {
timeStamper = objectManager->get<TimeStamperIF>(timeStamperId);
if (timeStamper == NULL) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::Warning << "TmPacketBase::checkAndSetStamper: Stamper not found!"
<< std::endl;
sif::warning << "TmPacketBase::checkAndSetStamper: Stamper not found!" << std::endl;
#else
sif::printWarning("TmPacketBase::checkAndSetStamper: Stamper not found!\n");
#endif

5
tmtcpacket/pus/TmPacketBase.h
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@ -29,8 +29,7 @@ public:
//! Maximum size of a TM Packet in this mission.
//! TODO: Make this dependant on a config variable.
static const uint32_t MISSION_TM_PACKET_MAX_SIZE = 2048;
//! First byte of secondary header for PUS-A packets.
//! TODO: Maybe also support PUS-C via config?
//! First four bits of first byte of secondary header
static const uint8_t VERSION_NUMBER_BYTE = 0b00010000;
/**
@ -87,7 +86,7 @@ public:
* timeval format.
* @return Converted timestamp of packet.
*/
virtual ReturnValue_t getPacketTime(timeval* timestamp) const = 0;
virtual ReturnValue_t getPacketTime(timeval* timestamp) const;
/**
* Returns a raw pointer to the beginning of the time field.
* @return Raw pointer to time field.

24
tmtcpacket/pus/TmPacketPusA.cpp
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@ -49,27 +49,7 @@ uint16_t TmPacketPusA::getDataFieldSize() {
return sizeof(PUSTmDataFieldHeaderPusA);
}
bool TmPacketPusA::checkAndSetStamper() {
if (timeStamper == NULL) {
timeStamper = objectManager->get<TimeStamperIF>(timeStamperId);
if (timeStamper == NULL) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmPacketPusA::checkAndSetStamper: Stamper not found!"
<< std::endl;
#endif
return false;
}
}
return true;
}
ReturnValue_t TmPacketPusA::getPacketTime(timeval* timestamp) const {
size_t tempSize = 0;
return CCSDSTime::convertFromCcsds(timestamp, tmData->data_field.time,
&tempSize, sizeof(tmData->data_field.time));
}
uint8_t* TmPacketPusA::getPacketTimeRaw() const{
uint8_t* TmPacketPusA::getPacketTimeRaw() const {
return tmData->data_field.time;
}
@ -92,7 +72,7 @@ void TmPacketPusA::initializeTmPacket(uint16_t apid, uint8_t service,
tmData->data_field.service_subtype = subservice;
tmData->data_field.subcounter = packetSubcounter;
//Timestamp packet
if (checkAndSetStamper()) {
if (TmPacketBase::checkAndSetStamper()) {
timeStamper->addTimeStamp(tmData->data_field.time,
sizeof(tmData->data_field.time));
}

11
tmtcpacket/pus/TmPacketPusA.h
View File

@ -53,9 +53,6 @@ public:
//! Maximum size of a TM Packet in this mission.
//! TODO: Make this dependant on a config variable.
static const uint32_t MISSION_TM_PACKET_MAX_SIZE = 2048;
//! First byte of secondary header for PUS-A packets.
//! TODO: Maybe also support PUS-C via config?
static const uint8_t VERSION_NUMBER_BYTE_PUS_A = 0b00010000;
/**
* This is the default constructor.
@ -76,19 +73,13 @@ public:
uint16_t getSourceDataSize() override;
uint16_t getDataFieldSize() override;
/**
* Interprets the "time"-field in the secondary header and returns it in
* timeval format.
* @return Converted timestamp of packet.
*/
ReturnValue_t getPacketTime(timeval* timestamp) const override;
/**
* Returns a raw pointer to the beginning of the time field.
* @return Raw pointer to time field.
*/
uint8_t* getPacketTimeRaw() const override;
size_t getTimestampSize() const override;
size_t getPacketMinimumSize() const override;
protected:

86
tmtcpacket/pus/TmPacketPusC.cpp
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@ -1,2 +1,88 @@
#include "TmPacketPusC.h"
#include "TmPacketBase.h"
#include "../../globalfunctions/CRC.h"
#include "../../globalfunctions/arrayprinter.h"
#include "../../objectmanager/ObjectManagerIF.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "../../timemanager/CCSDSTime.h"
#include <cstring>
TmPacketPusC::TmPacketPusC(uint8_t* setData) : TmPacketBase(setData) {
tmData = reinterpret_cast<TmPacketPointerPusC*>(setData);
}
TmPacketPusC::~TmPacketPusC() {
//Nothing to do.
}
uint8_t TmPacketPusC::getService() {
return tmData->dataField.serviceType;
}
uint8_t TmPacketPusC::getSubService() {
return tmData->dataField.serviceSubtype;
}
uint8_t* TmPacketPusC::getSourceData() {
return &tmData->data;
}
uint16_t TmPacketPusC::getSourceDataSize() {
return getPacketDataLength() - sizeof(tmData->dataField) - CRC_SIZE + 1;
}
void TmPacketPusC::setData(const uint8_t* p_Data) {
SpacePacketBase::setData(p_Data);
tmData = (TmPacketPointerPusC*) p_Data;
}
size_t TmPacketPusC::getPacketMinimumSize() const {
return TM_PACKET_MIN_SIZE;
}
uint16_t TmPacketPusC::getDataFieldSize() {
return sizeof(PUSTmDataFieldHeaderPusC);
}
uint8_t* TmPacketPusC::getPacketTimeRaw() const{
return tmData->dataField.time;
}
void TmPacketPusC::initializeTmPacket(uint16_t apid, uint8_t service,
uint8_t subservice, uint16_t packetSubcounter, uint16_t destinationId = 0,
uint8_t timeRefField = 0) {
//Set primary header:
initSpacePacketHeader(false, true, apid);
//Set data Field Header:
//First, set to zero.
memset(&tmData->dataField, 0, sizeof(tmData->dataField));
// NOTE: In PUS-C, the PUS Version is 2 and specified for the first 4 bits.
// The other 4 bits of the first byte are the spacecraft time reference
// status. To change to PUS-C, set 0b00100000.
// Set CCSDS_secondary header flag to 0, version number to 001 and ack
// to 0000
tmData->dataField.versionTimeReferenceField = VERSION_NUMBER_BYTE | timeRefField;
tmData->dataField.serviceType = service;
tmData->dataField.serviceSubtype = subservice;
tmData->dataField.subcounter = packetSubcounter;
tmData->dataField.destinationId = destinationId;
//Timestamp packet
if (checkAndSetStamper()) {
timeStamper->addTimeStamp(tmData->dataField.time,
sizeof(tmData->dataField.time));
}
}
void TmPacketPusC::setSourceDataSize(uint16_t size) {
setPacketDataLength(size + sizeof(PUSTmDataFieldHeaderPusC) + CRC_SIZE - 1);
}
size_t TmPacketPusC::getTimestampSize() const {
return sizeof(tmData->dataField.time);
}

127
tmtcpacket/pus/TmPacketPusC.h
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@ -1,8 +1,135 @@
#ifndef FSFW_TMTCPACKET_PUS_TMPACKETPUSC_H_
#define FSFW_TMTCPACKET_PUS_TMPACKETPUSC_H_
#include "TmPacketBase.h"
#include "../SpacePacketBase.h"
#include "../../timemanager/TimeStamperIF.h"
#include "../../timemanager/Clock.h"
#include "../../objectmanager/SystemObjectIF.h"
namespace Factory{
void setStaticFrameworkObjectIds();
}
/**
* This struct defines a byte-wise structured PUS TM Data Field Header.
* Any optional fields in the header must be added or removed here.
* Currently, no Destination field is present, but an eigth-byte representation
* for a time tag.
* @ingroup tmtcpackets
*/
struct PUSTmDataFieldHeaderPusC {
uint8_t versionTimeReferenceField;
uint8_t serviceType;
uint8_t serviceSubtype;
uint16_t subcounter;
uint16_t destinationId;
uint8_t time[TimeStamperIF::MISSION_TIMESTAMP_SIZE];
};
/**
* This struct defines the data structure of a PUS Telecommand Packet when
* accessed via a pointer.
* @ingroup tmtcpackets
*/
struct TmPacketPointerPusC {
CCSDSPrimaryHeader primary;
PUSTmDataFieldHeaderPusC dataField;
uint8_t data;
};
/**
* PUS A packet implementation
* @ingroup tmtcpackets
*/
class TmPacketPusC: public TmPacketBase {
friend void (Factory::setStaticFrameworkObjectIds)();
public:
/**
* This constant defines the minimum size of a valid PUS Telemetry Packet.
*/
static const uint32_t TM_PACKET_MIN_SIZE = (sizeof(CCSDSPrimaryHeader) +
sizeof(PUSTmDataFieldHeaderPusC) + 2);
//! Maximum size of a TM Packet in this mission.
//! TODO: Make this dependant on a config variable.
static const uint32_t MISSION_TM_PACKET_MAX_SIZE = 2048;
/**
* This is the default constructor.
* It sets its internal data pointer to the address passed and also
* forwards the data pointer to the parent SpacePacketBase class.
* @param set_address The position where the packet data lies.
*/
TmPacketPusC( uint8_t* setData );
/**
* This is the empty default destructor.
*/
virtual ~TmPacketPusC();
/* TmPacketBase implementations */
uint8_t getService() override;
uint8_t getSubService() override;
uint8_t* getSourceData() override;
uint16_t getSourceDataSize() override;
uint16_t getDataFieldSize() override;
/**
* Interprets the "time"-field in the secondary header and returns it in
* timeval format.
* @return Converted timestamp of packet.
*/
ReturnValue_t getPacketTime(timeval* timestamp) const override;
/**
* Returns a raw pointer to the beginning of the time field.
* @return Raw pointer to time field.
*/
uint8_t* getPacketTimeRaw() const override;
size_t getTimestampSize() const override;
size_t getPacketMinimumSize() const override;
protected:
/**
* A pointer to a structure which defines the data structure of
* the packet's data.
*
* To be hardware-safe, all elements are of byte size.
*/
TmPacketPointerPusC* tmData;
/**
* Initializes the Tm Packet header.
* Does set the timestamp (to now), but not the error control field.
* @param apid APID used.
* @param service PUS Service
* @param subservice PUS Subservice
* @param packetSubcounter Additional subcounter used.
*/
void initializeTmPacket(uint16_t apid, uint8_t service, uint8_t subservice,
uint16_t packetSubcounter, uint16_t destinationId, uint8_t timeRefField);
/**
* With this method, the packet data pointer can be redirected to another
* location.
*
* This call overwrites the parent's setData method to set both its
* @c tc_data pointer and the parent's @c data pointer.
*
* @param p_data A pointer to another PUS Telemetry Packet.
*/
void setData( const uint8_t* pData );
/**
* In case data was filled manually (almost never the case).
* @param size Size of source data (without CRC and data filed header!).
*/
void setSourceDataSize(uint16_t size);
/**
* Checks if a time stamper is available and tries to set it if not.
* @return Returns false if setting failed.
*/
bool checkAndSetStamper();
};
#endif /* FSFW_TMTCPACKET_PUS_TMPACKETPUSC_H_ */

2
tmtcpacket/pus/TmPacketStoredPusC.cpp Normal file
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@ -0,0 +1,2 @@
#include "TmPacketStoredPusC.h"

8
tmtcpacket/pus/TmPacketStoredPusC.h Normal file
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@ -0,0 +1,8 @@
#ifndef FSFW_TMTCPACKET_PUS_TMPACKETSTOREDPUSC_H_
#define FSFW_TMTCPACKET_PUS_TMPACKETSTOREDPUSC_H_
#endif /* FSFW_TMTCPACKET_PUS_TMPACKETSTOREDPUSC_H_ */