119 lines
4.3 KiB
C++
119 lines
4.3 KiB
C++
#include "fsfw/tmtcpacket/SpacePacketBase.h"
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#include <cstring>
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#include "fsfw/serviceinterface/ServiceInterface.h"
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SpacePacketBase::SpacePacketBase(const uint8_t* setAddress) {
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this->data = reinterpret_cast<SpacePacketPointer*>(const_cast<uint8_t*>(setAddress));
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}
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SpacePacketBase::~SpacePacketBase(){};
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// CCSDS Methods:
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uint8_t SpacePacketBase::getPacketVersionNumber(void) {
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return (this->data->header.packet_id_h & 0b11100000) >> 5;
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}
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ReturnValue_t SpacePacketBase::initSpacePacketHeader(bool isTelecommand, bool hasSecondaryHeader,
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uint16_t apid, uint16_t sequenceCount) {
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if (data == nullptr) {
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#if FSFW_VERBOSE_LEVEL >= 1
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::warning << "SpacePacketBase::initSpacePacketHeader: Data pointer is invalid" << std::endl;
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#else
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sif::printWarning("SpacePacketBase::initSpacePacketHeader: Data pointer is invalid!\n");
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#endif
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#endif
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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// reset header to zero:
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memset(data, 0, sizeof(this->data->header));
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// Set TC/TM bit.
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data->header.packet_id_h = ((isTelecommand ? 1 : 0)) << 4;
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// Set secondaryHeader bit
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data->header.packet_id_h |= ((hasSecondaryHeader ? 1 : 0)) << 3;
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this->setAPID(apid);
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// Always initialize as standalone packets.
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data->header.sequence_control_h = 0b11000000;
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setPacketSequenceCount(sequenceCount);
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return HasReturnvaluesIF::RETURN_OK;
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}
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bool SpacePacketBase::isTelecommand(void) {
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return (this->data->header.packet_id_h & 0b00010000) >> 4;
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}
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bool SpacePacketBase::hasSecondaryHeader(void) {
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return (this->data->header.packet_id_h & 0b00001000) >> 3;
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}
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uint16_t SpacePacketBase::getPacketId() {
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return ((this->data->header.packet_id_h) << 8) + this->data->header.packet_id_l;
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}
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uint16_t SpacePacketBase::getAPID(void) const {
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return ((this->data->header.packet_id_h & 0b00000111) << 8) + this->data->header.packet_id_l;
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}
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void SpacePacketBase::setAPID(uint16_t new_apid) {
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// Use first three bits of new APID, but keep rest of packet id as it was (see specification).
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this->data->header.packet_id_h =
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(this->data->header.packet_id_h & 0b11111000) | ((new_apid & 0x0700) >> 8);
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this->data->header.packet_id_l = (new_apid & 0x00FF);
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}
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void SpacePacketBase::setSequenceFlags(uint8_t sequenceflags) {
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this->data->header.sequence_control_h &= 0x3F;
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this->data->header.sequence_control_h |= sequenceflags << 6;
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}
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uint16_t SpacePacketBase::getPacketSequenceControl(void) {
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return ((this->data->header.sequence_control_h) << 8) + this->data->header.sequence_control_l;
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}
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uint8_t SpacePacketBase::getSequenceFlags(void) {
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return (this->data->header.sequence_control_h & 0b11000000) >> 6;
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}
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uint16_t SpacePacketBase::getPacketSequenceCount(void) const {
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return ((this->data->header.sequence_control_h & 0b00111111) << 8) +
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this->data->header.sequence_control_l;
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}
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void SpacePacketBase::setPacketSequenceCount(uint16_t new_count) {
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this->data->header.sequence_control_h = (this->data->header.sequence_control_h & 0b11000000) |
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(((new_count % LIMIT_SEQUENCE_COUNT) & 0x3F00) >> 8);
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this->data->header.sequence_control_l = ((new_count % LIMIT_SEQUENCE_COUNT) & 0x00FF);
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}
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uint16_t SpacePacketBase::getPacketDataLength() const {
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return ((this->data->header.packet_length_h) << 8) + this->data->header.packet_length_l;
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}
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void SpacePacketBase::setPacketDataLength(uint16_t new_length) {
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this->data->header.packet_length_h = ((new_length & 0xFF00) >> 8);
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this->data->header.packet_length_l = (new_length & 0x00FF);
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}
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size_t SpacePacketBase::getFullSize() {
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// +1 is done because size in packet data length field is: size of data field -1
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return this->getPacketDataLength() + sizeof(this->data->header) + 1;
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}
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uint8_t* SpacePacketBase::getWholeData() { return (uint8_t*)this->data; }
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uint32_t SpacePacketBase::getApidAndSequenceCount() const {
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return (getAPID() << 16) + getPacketSequenceCount();
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}
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uint8_t* SpacePacketBase::getPacketData() { return &(data->packet_data); }
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ReturnValue_t SpacePacketBase::setData(uint8_t* pData, size_t maxSize, void* args) {
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if (maxSize < 6) {
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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this->data = reinterpret_cast<SpacePacketPointer*>(const_cast<uint8_t*>(pData));
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return HasReturnvaluesIF::RETURN_OK;
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}
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