122 lines
3.4 KiB
C++
122 lines
3.4 KiB
C++
#include "TmPacketBase.h"
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#include "../../globalfunctions/CRC.h"
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#include "../../globalfunctions/arrayprinter.h"
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#include "../../objectmanager/ObjectManagerIF.h"
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#include "../../serviceinterface/ServiceInterfaceStream.h"
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#include "../../timemanager/CCSDSTime.h"
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#include <cstring>
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TimeStamperIF* TmPacketBase::timeStamper = nullptr;
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object_id_t TmPacketBase::timeStamperId = 0;
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TmPacketBase::TmPacketBase(uint8_t* setData) :
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SpacePacketBase(setData) {
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tmData = reinterpret_cast<TmPacketPointer*>(setData);
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}
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TmPacketBase::~TmPacketBase() {
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//Nothing to do.
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}
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uint8_t TmPacketBase::getService() {
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return tmData->data_field.service_type;
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}
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uint8_t TmPacketBase::getSubService() {
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return tmData->data_field.service_subtype;
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}
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uint8_t* TmPacketBase::getSourceData() {
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return &tmData->data;
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}
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uint16_t TmPacketBase::getSourceDataSize() {
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return getPacketDataLength() - sizeof(tmData->data_field)
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- CRC_SIZE + 1;
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}
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uint16_t TmPacketBase::getErrorControl() {
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uint32_t size = getSourceDataSize() + CRC_SIZE;
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uint8_t* p_to_buffer = &tmData->data;
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return (p_to_buffer[size - 2] << 8) + p_to_buffer[size - 1];
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}
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void TmPacketBase::setErrorControl() {
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uint32_t full_size = getFullSize();
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uint16_t crc = CRC::crc16ccitt(getWholeData(), full_size - CRC_SIZE);
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uint32_t size = getSourceDataSize();
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getSourceData()[size] = (crc & 0XFF00) >> 8; // CRCH
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getSourceData()[size + 1] = (crc) & 0X00FF; // CRCL
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}
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void TmPacketBase::setData(const uint8_t* p_Data) {
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SpacePacketBase::setData(p_Data);
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tmData = (TmPacketPointer*) p_Data;
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}
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void TmPacketBase::print() {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::debug << "TmPacketBase::print: " << std::endl;
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#endif
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arrayprinter::print(getWholeData(), getFullSize());
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}
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bool TmPacketBase::checkAndSetStamper() {
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if (timeStamper == NULL) {
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timeStamper = objectManager->get<TimeStamperIF>(timeStamperId);
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if (timeStamper == NULL) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::error << "TmPacketBase::checkAndSetStamper: Stamper not found!"
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<< std::endl;
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#endif
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return false;
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}
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}
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return true;
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}
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ReturnValue_t TmPacketBase::getPacketTime(timeval* timestamp) const {
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size_t tempSize = 0;
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return CCSDSTime::convertFromCcsds(timestamp, tmData->data_field.time,
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&tempSize, sizeof(tmData->data_field.time));
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}
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uint8_t* TmPacketBase::getPacketTimeRaw() const{
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return tmData->data_field.time;
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}
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void TmPacketBase::initializeTmPacket(uint16_t apid, uint8_t service,
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uint8_t subservice, uint8_t packetSubcounter) {
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//Set primary header:
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initSpacePacketHeader(false, true, apid);
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//Set data Field Header:
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//First, set to zero.
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memset(&tmData->data_field, 0, sizeof(tmData->data_field));
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// NOTE: In PUS-C, the PUS Version is 2 and specified for the first 4 bits.
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// The other 4 bits of the first byte are the spacecraft time reference
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// status. To change to PUS-C, set 0b00100000.
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// Set CCSDS_secondary header flag to 0, version number to 001 and ack
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// to 0000
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tmData->data_field.version_type_ack = 0b00010000;
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tmData->data_field.service_type = service;
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tmData->data_field.service_subtype = subservice;
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tmData->data_field.subcounter = packetSubcounter;
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//Timestamp packet
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if (checkAndSetStamper()) {
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timeStamper->addTimeStamp(tmData->data_field.time,
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sizeof(tmData->data_field.time));
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}
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}
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void TmPacketBase::setSourceDataSize(uint16_t size) {
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setPacketDataLength(size + sizeof(PUSTmDataFieldHeader) + CRC_SIZE - 1);
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}
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size_t TmPacketBase::getTimestampSize() const {
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return sizeof(tmData->data_field.time);
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}
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