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Merge pull request 'TMTC Packet Base improvements' (#80) from KSat/fsfw:mueller_tcPacketBase into master 

Reviewed-on: #80
This commit is contained in:
Steffen Gaisser 2020-10-29 13:17:35 +01:00
parent c89a24a248 53e98df37d
commit 096643971b
12 changed files with 385 additions and 316 deletions
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8
timemanager/TimeStamperIF.h
View File

@ -14,8 +14,12 @@ public:
static const uint8_t INTERFACE_ID = CLASS_ID::TIME_STAMPER_IF;
static const ReturnValue_t BAD_TIMESTAMP = MAKE_RETURN_CODE(1);
static const uint8_t MISSION_TIMESTAMP_SIZE = 8; //!< This is a mission-specific constant and determines the total size reserved for timestamps.
virtual ReturnValue_t addTimeStamp(uint8_t* buffer, const uint8_t maxSize) = 0;
//! 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;
virtual ReturnValue_t addTimeStamp(uint8_t* buffer,
const uint8_t maxSize) = 0;
virtual ~TimeStamperIF() {}
};

9
tmtcpacket/SpacePacketBase.cpp
View File

@ -1,6 +1,6 @@
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "SpacePacketBase.h"
#include <string.h>
#include "../serviceinterface/ServiceInterfaceStream.h"
#include <cstring>
SpacePacketBase::SpacePacketBase( const uint8_t* set_address ) {
this->data = (SpacePacketPointer*) set_address;
@ -14,7 +14,8 @@ uint8_t SpacePacketBase::getPacketVersionNumber( void ) {
return (this->data->header.packet_id_h & 0b11100000) >> 5;
}
void SpacePacketBase::initSpacePacketHeader(bool isTelecommand, bool hasSecondaryHeader, uint16_t apid, uint16_t sequenceCount) {
void SpacePacketBase::initSpacePacketHeader(bool isTelecommand,
bool hasSecondaryHeader, uint16_t apid, uint16_t sequenceCount) {
//reset header to zero:
memset(data,0, sizeof(this->data->header) );
//Set TC/TM bit.
@ -81,7 +82,7 @@ void SpacePacketBase::setPacketDataLength( uint16_t new_length) {
this->data->header.packet_length_l = ( new_length & 0x00FF );
}
uint32_t SpacePacketBase::getFullSize() {
size_t SpacePacketBase::getFullSize() {
//+1 is done because size in packet data length field is: size of data field -1
return this->getPacketDataLength() + sizeof(this->data->header) + 1;
}

14
tmtcpacket/SpacePacketBase.h
View File

@ -1,10 +1,11 @@
#ifndef SPACEPACKETBASE_H_
#define SPACEPACKETBASE_H_
#ifndef FSFW_TMTCPACKET_SPACEPACKETBASE_H_
#define FSFW_TMTCPACKET_SPACEPACKETBASE_H_
#include "ccsds_header.h"
#include <cstddef>
/**
* \defgroup tmtcpackets Space Packets
* @defgroup tmtcpackets Space Packets
* This is the group, where all classes associated with Telecommand and
* Telemetry packets belong to.
* The class hierarchy resembles the dependency between the different standards
@ -81,7 +82,8 @@ public:
*/
bool isTelecommand( void );
void initSpacePacketHeader(bool isTelecommand, bool hasSecondaryHeader, uint16_t apid, uint16_t sequenceCount = 0);
void initSpacePacketHeader(bool isTelecommand, bool hasSecondaryHeader,
uint16_t apid, uint16_t sequenceCount = 0);
/**
* The CCSDS header provides a secondary header flag (the fifth-highest bit),
* which is checked with this method.
@ -167,10 +169,10 @@ public:
* This method returns the full raw packet size.
* @return The full size of the packet in bytes.
*/
uint32_t getFullSize();
size_t getFullSize();
uint32_t getApidAndSequenceCount() const;
};
#endif /* SPACEPACKETBASE_H_ */
#endif /* FSFW_TMTCPACKET_SPACEPACKETBASE_H_ */

3
tmtcpacket/pus/PacketTimestampInterpreterIF.h
View File

@ -7,7 +7,8 @@ class TmPacketMinimal;
class PacketTimestampInterpreterIF {
public:
virtual ~PacketTimestampInterpreterIF() {}
virtual ReturnValue_t getPacketTime(TmPacketMinimal* packet, timeval* timestamp) const = 0;
virtual ReturnValue_t getPacketTime(TmPacketMinimal* packet,
timeval* timestamp) const = 0;
virtual ReturnValue_t getPacketTimeRaw(TmPacketMinimal* packet, const uint8_t** timePtr, uint32_t* size) const = 0;
};

70
tmtcpacket/pus/TcPacketBase.cpp
View File

@ -1,11 +1,14 @@
#include "../../globalfunctions/CRC.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "TcPacketBase.h"
#include <string.h>
TcPacketBase::TcPacketBase(const uint8_t* set_data) :
SpacePacketBase(set_data) {
tcData = (TcPacketPointer*) set_data;
#include "../../globalfunctions/CRC.h"
#include "../../globalfunctions/arrayprinter.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include <cstring>
TcPacketBase::TcPacketBase(const uint8_t* setData) :
SpacePacketBase(setData) {
tcData = reinterpret_cast<TcPacketPointer*>(const_cast<uint8_t*>(setData));
}
TcPacketBase::~TcPacketBase() {
@ -13,28 +16,28 @@ TcPacketBase::~TcPacketBase() {
}
uint8_t TcPacketBase::getService() {
return tcData->data_field.service_type;
return tcData->dataField.service_type;
}
uint8_t TcPacketBase::getSubService() {
return tcData->data_field.service_subtype;
return tcData->dataField.service_subtype;
}
uint8_t TcPacketBase::getAcknowledgeFlags() {
return tcData->data_field.version_type_ack & 0b00001111;
return tcData->dataField.version_type_ack & 0b00001111;
}
const uint8_t* TcPacketBase::getApplicationData() const {
return &tcData->data;
return &tcData->appData;
}
uint16_t TcPacketBase::getApplicationDataSize() {
return getPacketDataLength() - sizeof(tcData->data_field) - CRC_SIZE + 1;
return getPacketDataLength() - sizeof(tcData->dataField) - CRC_SIZE + 1;
}
uint16_t TcPacketBase::getErrorControl() {
uint16_t size = getApplicationDataSize() + CRC_SIZE;
uint8_t* p_to_buffer = &tcData->data;
uint8_t* p_to_buffer = &tcData->appData;
return (p_to_buffer[size - 2] << 8) + p_to_buffer[size - 1];
}
@ -42,41 +45,42 @@ void TcPacketBase::setErrorControl() {
uint32_t full_size = getFullSize();
uint16_t crc = CRC::crc16ccitt(getWholeData(), full_size - CRC_SIZE);
uint32_t size = getApplicationDataSize();
(&tcData->data)[size] = (crc & 0XFF00) >> 8; // CRCH
(&tcData->data)[size + 1] = (crc) & 0X00FF; // CRCL
(&tcData->appData)[size] = (crc & 0XFF00) >> 8; // CRCH
(&tcData->appData)[size + 1] = (crc) & 0X00FF; // CRCL
}
void TcPacketBase::setData(const uint8_t* p_Data) {
SpacePacketBase::setData(p_Data);
tcData = (TcPacketPointer*) p_Data;
void TcPacketBase::setData(const uint8_t* pData) {
SpacePacketBase::setData(pData);
tcData = (TcPacketPointer*) pData;
}
uint8_t TcPacketBase::getSecondaryHeaderFlag() {
return (tcData->data_field.version_type_ack & 0b10000000) >> 7;
return (tcData->dataField.version_type_ack & 0b10000000) >> 7;
}
uint8_t TcPacketBase::getPusVersionNumber() {
return (tcData->data_field.version_type_ack & 0b01110000) >> 4;
return (tcData->dataField.version_type_ack & 0b01110000) >> 4;
}
void TcPacketBase::print() {
uint8_t * wholeData = getWholeData();
sif::debug << "TcPacket contains: " << std::endl;
for (uint8_t count = 0; count < getFullSize(); ++count) {
sif::debug << std::hex << (uint16_t) wholeData[count] << " ";
}
sif::debug << std::dec << std::endl;
sif::debug << "TcPacketBase::print: " << std::endl;
arrayprinter::print(getWholeData(), getFullSize());
}
void TcPacketBase::initializeTcPacket(uint16_t apid, uint16_t sequenceCount,
uint8_t ack, uint8_t service, uint8_t subservice) {
uint8_t ack, uint8_t service, uint8_t subservice) {
initSpacePacketHeader(true, true, apid, sequenceCount);
memset(&tcData->data_field, 0, sizeof(tcData->data_field));
setPacketDataLength(sizeof(tcData->data_field) + CRC_SIZE);
std::memset(&tcData->dataField, 0, sizeof(tcData->dataField));
setPacketDataLength(sizeof(PUSTcDataFieldHeader) + CRC_SIZE - 1);
//Data Field Header:
//Set CCSDS_secondary_header_flag to 0, version number to 001 and ack to 0000
tcData->data_field.version_type_ack = 0b00010000;
tcData->data_field.version_type_ack |= (ack & 0x0F);
tcData->data_field.service_type = service;
tcData->data_field.service_subtype = subservice;
//Set CCSDS_secondary_header_flag to 0 and version number to 001
tcData->dataField.version_type_ack = 0b00010000;
tcData->dataField.version_type_ack |= (ack & 0x0F);
tcData->dataField.service_type = service;
tcData->dataField.service_subtype = subservice;
}
size_t TcPacketBase::calculateFullPacketLength(size_t appDataLen) {
return sizeof(CCSDSPrimaryHeader) + sizeof(PUSTcDataFieldHeader) +
appDataLen + TcPacketBase::CRC_SIZE;
}

134
tmtcpacket/pus/TcPacketBase.h
View File

@ -1,7 +1,9 @@
#ifndef TCPACKETBASE_H_
#define TCPACKETBASE_H_
#ifndef TMTCPACKET_PUS_TCPACKETBASE_H_
#define TMTCPACKET_PUS_TCPACKETBASE_H_
#include "../../tmtcpacket/SpacePacketBase.h"
#include <cstddef>
/**
* This struct defines a byte-wise structured PUS TC Data Field Header.
@ -23,14 +25,14 @@ struct PUSTcDataFieldHeader {
*/
struct TcPacketPointer {
CCSDSPrimaryHeader primary;
PUSTcDataFieldHeader data_field;
uint8_t data;
PUSTcDataFieldHeader dataField;
uint8_t appData;
};
/**
* This class is the basic data handler for any ECSS PUS Telecommand packet.
*
* In addition to \SpacePacketBase, the class provides methods to handle
* In addition to #SpacePacketBase, the class provides methods to handle
* the standardized entries of the PUS TC Packet Data Field Header.
* It does not contain the packet data itself but a pointer to the
* data must be set on instantiation. An invalid pointer may cause
@ -39,67 +41,38 @@ struct TcPacketPointer {
* @ingroup tmtcpackets
*/
class TcPacketBase : public SpacePacketBase {
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.
*/
TcPacketPointer* tcData;
public:
static const uint16_t TC_PACKET_MIN_SIZE = (sizeof(CCSDSPrimaryHeader) + sizeof(PUSTcDataFieldHeader) + 2);
/**
* With this constant for the acknowledge field responses on all levels are expected.
*/
static const uint8_t ACK_ALL = 0b1111;
/**
* With this constant for the acknowledge field a response on acceptance is expected.
*/
static const uint8_t ACK_ACCEPTANCE = 0b0001;
/**
* With this constant for the acknowledge field a response on start of execution is expected.
*/
static const uint8_t ACK_START = 0b0010;
/**
* With this constant for the acknowledge field responses on execution steps are expected.
*/
static const uint8_t ACK_STEP = 0b0100;
/**
* With this constant for the acknowledge field a response on completion is expected.
*/
static const uint8_t ACK_COMPLETION = 0b1000;
/**
* With this constant for the acknowledge field no responses are expected.
*/
static const uint8_t ACK_NONE = 0b000;
static const uint16_t TC_PACKET_MIN_SIZE = (sizeof(CCSDSPrimaryHeader) +
sizeof(PUSTcDataFieldHeader) + 2);
enum AckField {
//! No acknowledgements are expected.
ACK_NONE = 0b0000,
//! Acknowledgements on acceptance are expected.
ACK_ACCEPTANCE = 0b0001,
//! Acknowledgements on start are expected.
ACK_START = 0b0010,
//! Acknowledgements on step are expected.
ACK_STEP = 0b0100,
//! Acknowledfgement on completion are expected.
ACK_COMPLETION = 0b1000
};
static constexpr uint8_t ACK_ALL = ACK_ACCEPTANCE | ACK_START | ACK_STEP |
ACK_COMPLETION;
/**
* 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.
* @param setData The position where the packet data lies.
*/
TcPacketBase( const uint8_t* set_data );
TcPacketBase( const uint8_t* setData );
/**
* This is the empty default destructor.
*/
virtual ~TcPacketBase();
/**
* Initializes the Tc Packet header.
* @param apid APID used.
* @param service PUS Service
* @param subservice PUS Subservice
* @param packetSubcounter Additional subcounter used.
*/
/**
* Initializes the Tc Packet header.
* @param apid APID used.
* @param sequenceCount Sequence Count in the primary header.
* @param ack Which acknowledeges are expected from the receiver.
* @param service PUS Service
* @param subservice PUS Subservice
*/
void initializeTcPacket(uint16_t apid, uint16_t sequenceCount, uint8_t ack, uint8_t service, uint8_t subservice);
/**
* This command returns the CCSDS Secondary Header Flag.
* It shall always be zero for PUS Packets. This is the
@ -166,22 +139,49 @@ public:
* current content of the packet.
*/
void setErrorControl();
/**
* 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 Telecommand Packet.
*/
void setData( const uint8_t* p_data );
/**
* This is a debugging helper method that prints the whole packet content
* to the screen.
*/
void print();
/**
* Calculate full packet length from application data length.
* @param appDataLen
* @return
*/
static size_t calculateFullPacketLength(size_t appDataLen);
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.
*/
TcPacketPointer* tcData;
/**
* Initializes the Tc Packet header.
* @param apid APID used.
* @param sequenceCount Sequence Count in the primary header.
* @param ack Which acknowledeges are expected from the receiver.
* @param service PUS Service
* @param subservice PUS Subservice
*/
void initializeTcPacket(uint16_t apid, uint16_t sequenceCount, uint8_t ack,
uint8_t service, uint8_t subservice);
/**
* 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 Telecommand Packet.
*/
void setData( const uint8_t* pData );
};
#endif /* TCPACKETBASE_H_ */
#endif /* TMTCPACKET_PUS_TCPACKETBASE_H_ */

65
tmtcpacket/pus/TcPacketStored.cpp
View File

@ -1,37 +1,50 @@
#include "TcPacketStored.h"
#include "../../objectmanager/ObjectManagerIF.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "TcPacketStored.h"
#include <string.h>
#include <cstring>
StorageManagerIF* TcPacketStored::store = nullptr;
TcPacketStored::TcPacketStored(store_address_t setAddress) :
TcPacketBase(NULL), storeAddress(setAddress) {
this->setStoreAddress(this->storeAddress);
TcPacketBase(nullptr), storeAddress(setAddress) {
setStoreAddress(storeAddress);
}
TcPacketStored::TcPacketStored(uint16_t apid, uint8_t ack, uint8_t service,
uint8_t subservice, uint8_t sequence_count, const uint8_t* data,
uint32_t size) :
TcPacketBase(NULL) {
TcPacketStored::TcPacketStored(uint16_t apid, uint8_t service,
uint8_t subservice, uint8_t sequenceCount, const uint8_t* data,
size_t size, uint8_t ack) :
TcPacketBase(nullptr) {
this->storeAddress.raw = StorageManagerIF::INVALID_ADDRESS;
if (!this->checkAndSetStore()) {
if (not this->checkAndSetStore()) {
return;
}
uint8_t* p_data = NULL;
uint8_t* pData = nullptr;
ReturnValue_t returnValue = this->store->getFreeElement(&this->storeAddress,
(TC_PACKET_MIN_SIZE + size), &p_data);
(TC_PACKET_MIN_SIZE + size), &pData);
if (returnValue != this->store->RETURN_OK) {
sif::warning << "TcPacketStored: Could not get free element from store!"
<< std::endl;
return;
}
this->setData(p_data);
initializeTcPacket(apid, sequence_count, ack, service, subservice);
memcpy(&tcData->data, data, size);
this->setData(pData);
initializeTcPacket(apid, sequenceCount, ack, service, subservice);
memcpy(&tcData->appData, data, size);
this->setPacketDataLength(
size + sizeof(PUSTcDataFieldHeader) + CRC_SIZE - 1);
this->setErrorControl();
}
TcPacketStored::TcPacketStored() :
TcPacketBase(NULL) {
ReturnValue_t TcPacketStored::getData(const uint8_t ** dataPtr,
size_t* dataSize) {
auto result = this->store->getData(storeAddress, dataPtr, dataSize);
if(result != HasReturnvaluesIF::RETURN_OK) {
sif::warning << "TcPacketStored: Could not get data!" << std::endl;
}
return result;
}
TcPacketStored::TcPacketStored(): TcPacketBase(nullptr) {
this->storeAddress.raw = StorageManagerIF::INVALID_ADDRESS;
this->checkAndSetStore();
@ -40,14 +53,14 @@ TcPacketStored::TcPacketStored() :
ReturnValue_t TcPacketStored::deletePacket() {
ReturnValue_t result = this->store->deleteData(this->storeAddress);
this->storeAddress.raw = StorageManagerIF::INVALID_ADDRESS;
this->setData( NULL);
this->setData(nullptr);
return result;
}
bool TcPacketStored::checkAndSetStore() {
if (this->store == NULL) {
if (this->store == nullptr) {
this->store = objectManager->get<StorageManagerIF>(objects::TC_STORE);
if (this->store == NULL) {
if (this->store == nullptr) {
sif::error << "TcPacketStored::TcPacketStored: TC Store not found!"
<< std::endl;
return false;
@ -58,17 +71,17 @@ bool TcPacketStored::checkAndSetStore() {
void TcPacketStored::setStoreAddress(store_address_t setAddress) {
this->storeAddress = setAddress;
const uint8_t* temp_data = NULL;
const uint8_t* tempData = nullptr;
size_t temp_size;
ReturnValue_t status = StorageManagerIF::RETURN_FAILED;
if (this->checkAndSetStore()) {
status = this->store->getData(this->storeAddress, &temp_data,
status = this->store->getData(this->storeAddress, &tempData,
&temp_size);
}
if (status == StorageManagerIF::RETURN_OK) {
this->setData(temp_data);
this->setData(tempData);
} else {
this->setData(NULL);
this->setData(nullptr);
this->storeAddress.raw = StorageManagerIF::INVALID_ADDRESS;
}
}
@ -78,7 +91,7 @@ store_address_t TcPacketStored::getStoreAddress() {
}
bool TcPacketStored::isSizeCorrect() {
const uint8_t* temp_data = NULL;
const uint8_t* temp_data = nullptr;
size_t temp_size;
ReturnValue_t status = this->store->getData(this->storeAddress, &temp_data,
&temp_size);
@ -90,8 +103,6 @@ bool TcPacketStored::isSizeCorrect() {
return false;
}
StorageManagerIF* TcPacketStored::store = NULL;
TcPacketStored::TcPacketStored(const uint8_t* data, uint32_t size) :
TcPacketBase(data) {
if (getFullSize() != size) {
@ -100,7 +111,7 @@ TcPacketStored::TcPacketStored(const uint8_t* data, uint32_t size) :
if (this->checkAndSetStore()) {
ReturnValue_t status = store->addData(&storeAddress, data, size);
if (status != HasReturnvaluesIF::RETURN_OK) {
this->setData(NULL);
this->setData(nullptr);
}
}
}

78
tmtcpacket/pus/TcPacketStored.h
View File

@ -1,8 +1,8 @@
#ifndef TCPACKETSTORED_H_
#define TCPACKETSTORED_H_
#ifndef TMTCPACKET_PUS_TCPACKETSTORED_H_
#define TMTCPACKET_PUS_TCPACKETSTORED_H_
#include "../../storagemanager/StorageManagerIF.h"
#include "TcPacketBase.h"
#include "../../storagemanager/StorageManagerIF.h"
/**
* This class generates a ECSS PUS Telecommand packet within a given
@ -15,26 +15,6 @@
* @ingroup tmtcpackets
*/
class TcPacketStored : public TcPacketBase {
private:
/**
* This is a pointer to the store all instances of the class use.
* If the store is not yet set (i.e. \c store is NULL), every constructor
* call tries to set it and throws an error message in case of failures.
* The default store is objects::TC_STORE.
*/
static StorageManagerIF* store;
/**
* The address where the packet data of the object instance is stored.
*/
store_address_t storeAddress;
/**
* A helper method to check if a store is assigned to the class.
* If not, the method tries to retrieve the store from the global
* ObjectManager.
* @return @li \c true if the store is linked or could be created.
* @li \c false otherwise.
*/
bool checkAndSetStore();
public:
/**
* This is a default constructor which does not set the data pointer.
@ -53,18 +33,20 @@ public:
* a new PUS Telecommand Packet is created there.
* Packet Application Data passed in data is copied into the packet.
* @param apid Sets the packet's APID field.
* @param ack Set's the packet's Ack field,
* which specifies number and size of verification packets returned
* for this command.
* @param service Sets the packet's Service ID field.
* This specifies the destination service.
* This specifies the destination service.
* @param subservice Sets the packet's Service Subtype field.
* This specifies the destination sub-service.
* @param sequence_count Sets the packet's Source Sequence Count field.
* This specifies the destination sub-service.
* @param sequence_count Sets the packet's Source Sequence Count field.
* @param data The data to be copied to the Application Data Field.
* @param size The amount of data to be copied.
* @param ack Set's the packet's Ack field, which specifies
* number of verification packets returned
* for this command.
*/
TcPacketStored( uint16_t apid, uint8_t ack, uint8_t service, uint8_t subservice, uint8_t sequence_count = 0, const uint8_t* data = NULL, uint32_t size = 0 );
TcPacketStored(uint16_t apid, uint8_t service, uint8_t subservice,
uint8_t sequence_count = 0, const uint8_t* data = nullptr,
size_t size = 0, uint8_t ack = TcPacketBase::ACK_ALL);
/**
* Another constructor to create a TcPacket from a raw packet stream.
* Takes the data and adds it unchecked to the TcStore.
@ -72,10 +54,19 @@ public:
* @param Size size of the packet.
*/
TcPacketStored( const uint8_t* data, uint32_t size);
/**
* Getter function for the raw data.
* @param dataPtr [out] Pointer to the data pointer to set
* @param dataSize [out] Address of size to set.
* @return -@c RETURN_OK if data was retrieved successfully.
*/
ReturnValue_t getData(const uint8_t ** dataPtr,
size_t* dataSize);
/**
* This is a getter for the current store address of the packet.
* @return The current store address. The (raw) value is \c StorageManagerIF::INVALID_ADDRESS if
* the packet is not linked.
* @return The current store address. The (raw) value is
* @c StorageManagerIF::INVALID_ADDRESS if the packet is not linked.
*/
store_address_t getStoreAddress();
/**
@ -99,7 +90,28 @@ public:
* store or size is incorrect.
*/
bool isSizeCorrect();
private:
/**
* This is a pointer to the store all instances of the class use.
* If the store is not yet set (i.e. @c store is NULL), every constructor
* call tries to set it and throws an error message in case of failures.
* The default store is objects::TC_STORE.
*/
static StorageManagerIF* store;
/**
* The address where the packet data of the object instance is stored.
*/
store_address_t storeAddress;
/**
* A helper method to check if a store is assigned to the class.
* If not, the method tries to retrieve the store from the global
* ObjectManager.
* @return @li @c true if the store is linked or could be created.
* @li @c false otherwise.
*/
bool checkAndSetStore();
};
#endif /* TCPACKETSTORED_H_ */
#endif /* TMTCPACKET_PUS_TCPACKETSTORED_H_ */

73
tmtcpacket/pus/TmPacketBase.cpp
View File

@ -1,13 +1,19 @@
#include "TmPacketBase.h"
#include "../../globalfunctions/CRC.h"
#include "../../globalfunctions/arrayprinter.h"
#include "../../objectmanager/ObjectManagerIF.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "TmPacketBase.h"
#include "../../timemanager/CCSDSTime.h"
#include <string.h>
TmPacketBase::TmPacketBase(uint8_t* set_data) :
SpacePacketBase(set_data) {
tm_data = (TmPacketPointer*) set_data;
#include <cstring>
TimeStamperIF* TmPacketBase::timeStamper = nullptr;
object_id_t TmPacketBase::timeStamperId = 0;
TmPacketBase::TmPacketBase(uint8_t* setData) :
SpacePacketBase(setData) {
tmData = reinterpret_cast<TmPacketPointer*>(setData);
}
TmPacketBase::~TmPacketBase() {
@ -15,25 +21,25 @@ TmPacketBase::~TmPacketBase() {
}
uint8_t TmPacketBase::getService() {
return tm_data->data_field.service_type;
return tmData->data_field.service_type;
}
uint8_t TmPacketBase::getSubService() {
return tm_data->data_field.service_subtype;
return tmData->data_field.service_subtype;
}
uint8_t* TmPacketBase::getSourceData() {
return &tm_data->data;
return &tmData->data;
}
uint16_t TmPacketBase::getSourceDataSize() {
return getPacketDataLength() - sizeof(tm_data->data_field)
return getPacketDataLength() - sizeof(tmData->data_field)
- CRC_SIZE + 1;
}
uint16_t TmPacketBase::getErrorControl() {
uint32_t size = getSourceDataSize() + CRC_SIZE;
uint8_t* p_to_buffer = &tm_data->data;
uint8_t* p_to_buffer = &tmData->data;
return (p_to_buffer[size - 2] << 8) + p_to_buffer[size - 1];
}
@ -47,16 +53,12 @@ void TmPacketBase::setErrorControl() {
void TmPacketBase::setData(const uint8_t* p_Data) {
SpacePacketBase::setData(p_Data);
tm_data = (TmPacketPointer*) p_Data;
tmData = (TmPacketPointer*) p_Data;
}
void TmPacketBase::print() {
/*uint8_t * wholeData = getWholeData();
debug << "TmPacket contains: " << std::endl;
for (uint8_t count = 0; count < getFullSize(); ++count ) {
debug << std::hex << (uint16_t)wholeData[count] << " ";
}
debug << std::dec << std::endl;*/
sif::debug << "TmPacketBase::print: " << std::endl;
arrayprinter::print(getWholeData(), getFullSize());
}
bool TmPacketBase::checkAndSetStamper() {
@ -73,32 +75,36 @@ bool TmPacketBase::checkAndSetStamper() {
ReturnValue_t TmPacketBase::getPacketTime(timeval* timestamp) const {
uint32_t tempSize = 0;
return CCSDSTime::convertFromCcsds(timestamp, tm_data->data_field.time,
&tempSize, sizeof(tm_data->data_field.time));
return CCSDSTime::convertFromCcsds(timestamp, tmData->data_field.time,
&tempSize, sizeof(tmData->data_field.time));
}
uint8_t* TmPacketBase::getPacketTimeRaw() const{
return tm_data->data_field.time;
return tmData->data_field.time;
}
void TmPacketBase::initializeTmPacket(uint16_t apid, uint8_t service, uint8_t subservice, uint8_t packetSubcounter) {
void TmPacketBase::initializeTmPacket(uint16_t apid, uint8_t service,
uint8_t subservice, uint8_t packetSubcounter) {
//Set primary header:
initSpacePacketHeader(false, true, apid);
//Set data Field Header:
//First, set to zero.
memset(&tm_data->data_field, 0, sizeof(tm_data->data_field));
//Set CCSDS_secondary header flag to 0, version number to 001 and ack to 0000
memset(&tmData->data_field, 0, sizeof(tmData->data_field));
// 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
tm_data->data_field.version_type_ack = 0b00010000;
tm_data->data_field.service_type = service;
tm_data->data_field.service_subtype = subservice;
tm_data->data_field.subcounter = packetSubcounter;
// 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->data_field.version_type_ack = 0b00010000;
tmData->data_field.service_type = service;
tmData->data_field.service_subtype = subservice;
tmData->data_field.subcounter = packetSubcounter;
//Timestamp packet
if (checkAndSetStamper()) {
timeStamper->addTimeStamp(tm_data->data_field.time, sizeof(tm_data->data_field.time));
timeStamper->addTimeStamp(tmData->data_field.time,
sizeof(tmData->data_field.time));
}
}
@ -106,9 +112,6 @@ void TmPacketBase::setSourceDataSize(uint16_t size) {
setPacketDataLength(size + sizeof(PUSTmDataFieldHeader) + CRC_SIZE - 1);
}
uint32_t TmPacketBase::getTimestampSize() const {
return sizeof(tm_data->data_field.time);
size_t TmPacketBase::getTimestampSize() const {
return sizeof(tmData->data_field.time);
}
TimeStamperIF* TmPacketBase::timeStamper = NULL;
object_id_t TmPacketBase::timeStamperId = 0;

113
tmtcpacket/pus/TmPacketBase.h
View File

@ -1,8 +1,8 @@
#ifndef TMPACKETBASE_H_
#define TMPACKETBASE_H_
#ifndef TMTCPACKET_PUS_TMPACKETBASE_H_
#define TMTCPACKET_PUS_TMPACKETBASE_H_
#include "../SpacePacketBase.h"
#include "../../timemanager/TimeStamperIF.h"
#include "../../tmtcpacket/SpacePacketBase.h"
#include "../../timemanager/Clock.h"
#include "../../objectmanager/SystemObjectIF.h"
@ -14,7 +14,7 @@ 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 [TBD].
* for a time tag.
* @ingroup tmtcpackets
*/
struct PUSTmDataFieldHeader {
@ -40,7 +40,7 @@ struct TmPacketPointer {
/**
* This class is the basic data handler for any ECSS PUS Telemetry packet.
*
* In addition to \SpacePacketBase, the class provides methods to handle
* In addition to #SpacePacketBase, the class provides methods to handle
* the standardized entries of the PUS TM Packet Data Field Header.
* It does not contain the packet data itself but a pointer to the
* data must be set on instantiation. An invalid pointer may cause
@ -54,29 +54,27 @@ public:
/**
* This constant defines the minimum size of a valid PUS Telemetry Packet.
*/
static const uint32_t TM_PACKET_MIN_SIZE = (sizeof(CCSDSPrimaryHeader) + sizeof(PUSTmDataFieldHeader) + 2); //!< Minimum size of a valid PUS Telemetry Packet.
static const uint32_t MISSION_TM_PACKET_MAX_SIZE = 2048; //!< Maximum size of a TM Packet in this mission.
static const uint8_t VERSION_NUMBER_BYTE_PUS_A = 0b00010000; //!< First byte of secondary header for PUS-A packets.
static const uint32_t TM_PACKET_MIN_SIZE = (sizeof(CCSDSPrimaryHeader) +
sizeof(PUSTmDataFieldHeader) + 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;
//! 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.
* 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.
*/
TmPacketBase( uint8_t* set_data );
TmPacketBase( uint8_t* setData );
/**
* This is the empty default destructor.
*/
virtual ~TmPacketBase();
/**
* 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, uint8_t packetSubcounter);
/**
* This is a getter for the packet's PUS Service ID, which is the second
* byte of the Data Field Header.
@ -106,11 +104,14 @@ public:
*/
uint16_t getSourceDataSize();
/**
* 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);
/**
* With this method, the Error Control Field is updated to match the
* current content of the packet. This method is not protected because
* a recalculation by the user might be necessary when manipulating fields
* like the sequence count.
*/
void setErrorControl();
/**
* This getter returns the Error Control Field of the packet.
*
@ -120,28 +121,15 @@ public:
* @return The PUS Error Control
*/
uint16_t getErrorControl();
/**
* With this method, the Error Control Field is updated to match the
* current content of the packet.
*/
void setErrorControl();
/**
* 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* p_Data );
/**
* This is a debugging helper method that prints the whole packet content
* to the screen.
*/
void print();
/**
* Interprets the "time"-field in the secondary header and returns it in timeval format.
* 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;
@ -151,7 +139,7 @@ public:
*/
uint8_t* getPacketTimeRaw() const;
uint32_t getTimestampSize() const;
size_t getTimestampSize() const;
protected:
/**
@ -160,20 +148,49 @@ protected:
*
* To be hardware-safe, all elements are of byte size.
*/
TmPacketPointer* tm_data;
TmPacketPointer* tmData;
/**
* The timeStamper is responsible for adding a timestamp to the packet.
* It is initialized lazy.
*/
static TimeStamperIF* timeStamper;
//! The ID to use when looking for a time stamper.
static object_id_t timeStamperId;
static object_id_t timeStamperId; //!< The ID to use when looking for a time stamper.
/**
* Checks if a time stamper is available and tries to set it if not.
* @return Returns false if setting failed.
*/
bool checkAndSetStamper();
/**
* 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,
uint8_t packetSubcounter);
/**
* 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 /* TMPACKETBASE_H_ */
#endif /* TMTCPACKET_PUS_TMPACKETBASE_H_ */

44
tmtcpacket/pus/TmPacketStored.cpp
View File

@ -1,11 +1,16 @@
#include "TmPacketStored.h"
#include "../../objectmanager/ObjectManagerIF.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "TmPacketStored.h"
#include "../../tmtcservices/TmTcMessage.h"
#include <string.h>
#include <cstring>
StorageManagerIF *TmPacketStored::store = nullptr;
InternalErrorReporterIF *TmPacketStored::internalErrorReporter = nullptr;
TmPacketStored::TmPacketStored(store_address_t setAddress) :
TmPacketBase(NULL), storeAddress(setAddress) {
TmPacketBase(nullptr), storeAddress(setAddress) {
setStoreAddress(storeAddress);
}
@ -14,10 +19,10 @@ TmPacketStored::TmPacketStored(uint16_t apid, uint8_t service,
uint32_t size, const uint8_t *headerData, uint32_t headerSize) :
TmPacketBase(NULL) {
storeAddress.raw = StorageManagerIF::INVALID_ADDRESS;
if (!checkAndSetStore()) {
if (not checkAndSetStore()) {
return;
}
uint8_t *pData = NULL;
uint8_t *pData = nullptr;
ReturnValue_t returnValue = store->getFreeElement(&storeAddress,
(TmPacketBase::TM_PACKET_MIN_SIZE + size + headerSize), &pData);
@ -38,7 +43,7 @@ TmPacketStored::TmPacketStored(uint16_t apid, uint8_t service,
SerializeIF *header) :
TmPacketBase(NULL) {
storeAddress.raw = StorageManagerIF::INVALID_ADDRESS;
if (!checkAndSetStore()) {
if (not checkAndSetStore()) {
return;
}
size_t sourceDataSize = 0;
@ -77,29 +82,29 @@ store_address_t TmPacketStored::getStoreAddress() {
void TmPacketStored::deletePacket() {
store->deleteData(storeAddress);
storeAddress.raw = StorageManagerIF::INVALID_ADDRESS;
setData(NULL);
setData(nullptr);
}
void TmPacketStored::setStoreAddress(store_address_t setAddress) {
storeAddress = setAddress;
const uint8_t* temp_data = NULL;
size_t temp_size;
if (!checkAndSetStore()) {
const uint8_t* tempData = nullptr;
size_t tempSize;
if (not checkAndSetStore()) {
return;
}
ReturnValue_t status = store->getData(storeAddress, &temp_data, &temp_size);
ReturnValue_t status = store->getData(storeAddress, &tempData, &tempSize);
if (status == StorageManagerIF::RETURN_OK) {
setData(temp_data);
setData(tempData);
} else {
setData(NULL);
setData(nullptr);
storeAddress.raw = StorageManagerIF::INVALID_ADDRESS;
}
}
bool TmPacketStored::checkAndSetStore() {
if (store == NULL) {
if (store == nullptr) {
store = objectManager->get<StorageManagerIF>(objects::TM_STORE);
if (store == NULL) {
if (store == nullptr) {
sif::error << "TmPacketStored::TmPacketStored: TM Store not found!"
<< std::endl;
return false;
@ -108,12 +113,9 @@ bool TmPacketStored::checkAndSetStore() {
return true;
}
StorageManagerIF *TmPacketStored::store = NULL;
InternalErrorReporterIF *TmPacketStored::internalErrorReporter = NULL;
ReturnValue_t TmPacketStored::sendPacket(MessageQueueId_t destination,
MessageQueueId_t sentFrom, bool doErrorReporting) {
if (getWholeData() == NULL) {
if (getWholeData() == nullptr) {
//SHOULDDO: More decent code.
return HasReturnvaluesIF::RETURN_FAILED;
}
@ -133,11 +135,11 @@ ReturnValue_t TmPacketStored::sendPacket(MessageQueueId_t destination,
}
void TmPacketStored::checkAndReportLostTm() {
if (internalErrorReporter == NULL) {
if (internalErrorReporter == nullptr) {
internalErrorReporter = objectManager->get<InternalErrorReporterIF>(
objects::INTERNAL_ERROR_REPORTER);
}
if (internalErrorReporter != NULL) {
if (internalErrorReporter != nullptr) {
internalErrorReporter->lostTm();
}
}

90
tmtcpacket/pus/TmPacketStored.h
View File

@ -1,9 +1,10 @@
#ifndef TMPACKETSTORED_H_
#define TMPACKETSTORED_H_
#ifndef TMTCPACKET_PUS_TMPACKETSTORED_H_
#define TMTCPACKET_PUS_TMPACKETSTORED_H_
#include "TmPacketBase.h"
#include "../../serialize/SerializeIF.h"
#include "../../storagemanager/StorageManagerIF.h"
#include "TmPacketBase.h"
#include "../../internalError/InternalErrorReporterIF.h"
#include "../../ipc/MessageQueueSenderIF.h"
@ -18,31 +19,6 @@
* @ingroup tmtcpackets
*/
class TmPacketStored : public TmPacketBase {
private:
/**
* This is a pointer to the store all instances of the class use.
* If the store is not yet set (i.e. \c store is NULL), every constructor
* call tries to set it and throws an error message in case of failures.
* The default store is objects::TM_STORE.
*/
static StorageManagerIF* store;
static InternalErrorReporterIF *internalErrorReporter;
/**
* The address where the packet data of the object instance is stored.
*/
store_address_t storeAddress;
/**
* A helper method to check if a store is assigned to the class.
* If not, the method tries to retrieve the store from the global
* ObjectManager.
* @return @li \c true if the store is linked or could be created.
* @li \c false otherwise.
*/
bool checkAndSetStore();
void checkAndReportLostTm();
public:
/**
* This is a default constructor which does not set the data pointer.
@ -52,28 +28,38 @@ public:
/**
* With this constructor, new space is allocated in the packet store and
* a new PUS Telemetry Packet is created there.
* Packet Application Data passed in data is copied into the packet. The Application data is
* passed in two parts, first a header, then a data field. This allows building a Telemetry
* Packet from two separate data sources.
* Packet Application Data passed in data is copied into the packet.
* The Application data is passed in two parts, first a header, then a
* data field. This allows building a Telemetry Packet from two separate
* data sources.
* @param apid Sets the packet's APID field.
* @param service Sets the packet's Service ID field.
* This specifies the source service.
* @param subservice Sets the packet's Service Subtype field.
* This specifies the source sub-service.
* @param packet_counter Sets the Packet counter field of this packet
* @param data The payload data to be copied to the Application Data Field
* @param data The payload data to be copied to the
* Application Data Field
* @param size The amount of data to be copied.
* @param headerData The header Data of the Application field; will be copied in front of data
* @param headerData The header Data of the Application field,
* will be copied in front of data
* @param headerSize The size of the headerDataF
*/
TmPacketStored( uint16_t apid, uint8_t service, uint8_t subservice, uint8_t packet_counter = 0, const uint8_t* data = NULL, uint32_t size = 0, const uint8_t* headerData = NULL, uint32_t headerSize = 0);
TmPacketStored( uint16_t apid, uint8_t service, uint8_t subservice,
uint8_t packet_counter = 0, const uint8_t* data = nullptr,
uint32_t size = 0, const uint8_t* headerData = nullptr,
uint32_t headerSize = 0);
/**
* Another ctor to directly pass structured content and header data to the packet to avoid additional buffers.
* Another ctor to directly pass structured content and header data to the
* packet to avoid additional buffers.
*/
TmPacketStored( uint16_t apid, uint8_t service, uint8_t subservice, uint8_t packet_counter, SerializeIF* content, SerializeIF* header = NULL);
TmPacketStored( uint16_t apid, uint8_t service, uint8_t subservice,
uint8_t packet_counter, SerializeIF* content,
SerializeIF* header = nullptr);
/**
* This is a getter for the current store address of the packet.
* @return The current store address. The (raw) value is \c StorageManagerIF::INVALID_ADDRESS if
* @return The current store address. The (raw) value is
* @c StorageManagerIF::INVALID_ADDRESS if
* the packet is not linked.
*/
store_address_t getStoreAddress();
@ -89,8 +75,34 @@ public:
*/
void setStoreAddress( store_address_t setAddress );
ReturnValue_t sendPacket( MessageQueueId_t destination, MessageQueueId_t sentFrom, bool doErrorReporting = true );
ReturnValue_t sendPacket( MessageQueueId_t destination,
MessageQueueId_t sentFrom, bool doErrorReporting = true );
private:
/**
* This is a pointer to the store all instances of the class use.
* If the store is not yet set (i.e. @c store is NULL), every constructor
* call tries to set it and throws an error message in case of failures.
* The default store is objects::TM_STORE.
*/
static StorageManagerIF* store;
static InternalErrorReporterIF *internalErrorReporter;
/**
* The address where the packet data of the object instance is stored.
*/
store_address_t storeAddress;
/**
* A helper method to check if a store is assigned to the class.
* If not, the method tries to retrieve the store from the global
* ObjectManager.
* @return @li @c true if the store is linked or could be created.
* @li @c false otherwise.
*/
bool checkAndSetStore();
void checkAndReportLostTm();
};
#endif /* TMPACKETSTORED_H_ */
#endif /* TMTCPACKET_PUS_TMPACKETSTORED_H_ */