fsfw/src/fsfw/tmtcpacket/pus/tc/PusTcCreator.cpp

105 lines
3.4 KiB
C++

#include "PusTcCreator.h"
#include <utility>
#include "PusTcIF.h"
#include "fsfw/globalfunctions/CRC.h"
#include "fsfw/serialize/SerializeAdapter.h"
PusTcCreator::PusTcCreator(SpacePacketParams spParams, PusTcParams pusParams)
: spCreator(std::move(spParams)), pusParams(pusParams) {
setup();
}
ReturnValue_t PusTcCreator::serialize(uint8_t **buffer, size_t *size, size_t maxSize,
SerializeIF::Endianness streamEndianness) const {
const uint8_t *start = *buffer;
if (*size + getSerializedSize() > maxSize) {
return SerializeIF::BUFFER_TOO_SHORT;
}
if (pusParams.pusVersion != ecss::PusVersion::PUS_C) {
return PusIF::INVALID_PUS_VERSION;
}
ReturnValue_t result = spCreator.serialize(buffer, size, maxSize, streamEndianness);
if (result != returnvalue::OK) {
return result;
}
**buffer = pusParams.pusVersion << 4 | pusParams.ackFlags;
*buffer += 1;
**buffer = pusParams.service;
*buffer += 1;
**buffer = pusParams.subservice;
*buffer += 1;
*size += 3;
result =
SerializeAdapter::serialize(&pusParams.sourceId, buffer, size, maxSize, streamEndianness);
if (result != returnvalue::OK) {
return result;
}
if (pusParams.appData != nullptr) {
result = pusParams.appData->serialize(buffer, size, maxSize, streamEndianness);
if (result != returnvalue::OK) {
return result;
}
}
uint16_t crc16 = CRC::crc16ccitt(start, getFullPacketLen() - sizeof(ecss::PusChecksumT));
return SerializeAdapter::serialize(&crc16, buffer, size, maxSize, streamEndianness);
}
void PusTcCreator::updateSpLengthField() {
size_t len = ecss::PusTcDataFieldHeader::MIN_SIZE + 1;
if (pusParams.appData != nullptr) {
len += pusParams.appData->getSerializedSize();
}
spCreator.setDataLen(len);
}
size_t PusTcCreator::getSerializedSize() const { return spCreator.getFullPacketLen(); }
ReturnValue_t PusTcCreator::deSerialize(const uint8_t **buffer, size_t *size,
SerializeIF::Endianness streamEndianness) {
return returnvalue::FAILED;
}
uint16_t PusTcCreator::getPacketIdRaw() const { return spCreator.getPacketIdRaw(); }
uint16_t PusTcCreator::getPacketSeqCtrlRaw() const { return spCreator.getPacketSeqCtrlRaw(); }
uint16_t PusTcCreator::getPacketDataLen() const { return spCreator.getPacketDataLen(); }
uint8_t PusTcCreator::getPusVersion() const { return pusParams.pusVersion; }
uint8_t PusTcCreator::getAcknowledgeFlags() const { return pusParams.ackFlags; }
uint8_t PusTcCreator::getService() const { return pusParams.service; }
uint8_t PusTcCreator::getSubService() const { return pusParams.subservice; }
uint16_t PusTcCreator::getSourceId() const { return pusParams.sourceId; }
PusTcParams &PusTcCreator::getPusParams() { return pusParams; }
SpacePacketParams &PusTcCreator::getSpParams() { return spCreator.getParams(); }
ReturnValue_t PusTcCreator::setRawUserData(const uint8_t *data, size_t len) {
// TODO: Check length field?
pusParams.bufAdapter.setConstBuffer(data, len);
pusParams.appData = &pusParams.bufAdapter;
updateSpLengthField();
return returnvalue::OK;
}
ReturnValue_t PusTcCreator::setSerializableUserData(const SerializeIF &serializable) {
// TODO: Check length field?
pusParams.appData = &serializable;
updateSpLengthField();
return returnvalue::OK;
}
void PusTcCreator::setup() {
spCreator.setPacketType(ccsds::PacketType::TC);
spCreator.setSecHeaderFlag();
updateSpLengthField();
}