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Merge branch 'development' into add_health_service_announce_all

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This commit is contained in:
Ulrich Mohr
2023-02-23 12:56:12 +01:00
parent d76d97a36b 76b377c4c0
commit 61562b18ab
20 changed files with 352 additions and 88 deletions
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28
src/fsfw/health/HasHealthIF.h
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@ -16,26 +16,24 @@ class HasHealthIF {
};
static const uint8_t INTERFACE_ID = CLASS_ID::HAS_HEALTH_IF;
static const ReturnValue_t OBJECT_NOT_HEALTHY = MAKE_RETURN_CODE(1);
static const ReturnValue_t INVALID_HEALTH_STATE = MAKE_RETURN_CODE(2);
static constexpr ReturnValue_t OBJECT_NOT_HEALTHY = returnvalue::makeCode(INTERFACE_ID, 1);
static constexpr ReturnValue_t INVALID_HEALTH_STATE = returnvalue::makeCode(INTERFACE_ID, 2);
static constexpr ReturnValue_t IS_EXTERNALLY_CONTROLLED = returnvalue::makeCode(INTERFACE_ID, 3);
static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::SYSTEM_MANAGER_1;
//! P1: New Health, P2: Old Health
static const Event HEALTH_INFO = MAKE_EVENT(6, severity::INFO);
static const Event CHILD_CHANGED_HEALTH = MAKE_EVENT(7, severity::INFO);
static const Event CHILD_PROBLEMS = MAKE_EVENT(8, severity::LOW);
static const Event OVERWRITING_HEALTH =
MAKE_EVENT(9, severity::LOW); //!< Assembly overwrites health information of children to keep
//!< satellite alive.
static const Event TRYING_RECOVERY =
MAKE_EVENT(10, severity::MEDIUM); //!< Someone starts a recovery of a component (typically
//!< power-cycle). No parameters.
static const Event RECOVERY_STEP =
MAKE_EVENT(11, severity::MEDIUM); //!< Recovery is ongoing. Comes twice during recovery. P1:
//!< 0 for the first, 1 for the second event. P2: 0
static const Event RECOVERY_DONE = MAKE_EVENT(
12,
severity::MEDIUM); //!< Recovery was completed. Not necessarily successful. No parameters.
//! Assembly overwrites health information of children to keep satellite alive.
static const Event OVERWRITING_HEALTH = MAKE_EVENT(9, severity::LOW);
//! Someone starts a recovery of a component (typically power-cycle). No parameters.
static const Event TRYING_RECOVERY = MAKE_EVENT(10, severity::MEDIUM);
//! Recovery is ongoing. Comes twice during recovery.
//! P1: 0 for the first, 1 for the second event. P2: 0
static const Event RECOVERY_STEP = MAKE_EVENT(11, severity::MEDIUM);
//! Recovery was completed. Not necessarily successful. No parameters.
static const Event RECOVERY_DONE = MAKE_EVENT(12, severity::MEDIUM);
virtual ~HasHealthIF() {}
virtual MessageQueueId_t getCommandQueue() const = 0;

16
src/fsfw/modes/ModeMessage.cpp
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@ -24,3 +24,19 @@ void ModeMessage::setCantReachMode(CommandMessage* message, ReturnValue_t reason
message->setParameter(reason);
message->setParameter2(0);
}
void ModeMessage::setModeAnnounceMessage(CommandMessage& message, bool recursive) {
Command_t cmd;
if (recursive) {
cmd = CMD_MODE_ANNOUNCE_RECURSIVELY;
} else {
cmd = CMD_MODE_ANNOUNCE;
}
message.setCommand(cmd);
}
void ModeMessage::setCmdModeMessage(CommandMessage& message, Mode_t mode, Submode_t submode) {
setModeMessage(&message, CMD_MODE_COMMAND, mode, submode);
}
void ModeMessage::setModeReadMessage(CommandMessage& message) { message.setCommand(CMD_MODE_READ); }

3
src/fsfw/modes/ModeMessage.h
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@ -45,6 +45,9 @@ class ModeMessage {
static void setModeMessage(CommandMessage* message, Command_t command, Mode_t mode,
Submode_t submode);
static void setCmdModeMessage(CommandMessage& message, Mode_t mode, Submode_t submode);
static void setModeAnnounceMessage(CommandMessage& message, bool recursive);
static void setModeReadMessage(CommandMessage& message);
static void setCantReachMode(CommandMessage* message, ReturnValue_t reason);
static void clear(CommandMessage* message);
};

5
src/fsfw/osal/CMakeLists.txt
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@ -18,7 +18,10 @@ elseif(FSFW_OSAL MATCHES "host")
endif()
set(FSFW_OSAL_HOST 1)
else()
message(WARNING "The OS_FSFW variable was not set. Assuming host OS..")
message(
WARNING
"${MSG_PREFIX} The FSFW_OSAL variable was not set. Assuming host OS..")
# Not set. Assumuing this is a host build, try to determine host OS
if(WIN32)
add_subdirectory(host)

1
src/fsfw/osal/common/TcpTmTcServer.h
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@ -78,7 +78,6 @@ class TcpTmTcServer : public SystemObject, public TcpIpBase, public ExecutableOb
* https://man7.org/linux/man-pages/man7/socket.7.html for more details.
*/
bool reusePort = false;
};
enum class ReceptionModes { SPACE_PACKETS };

2
src/fsfw/osal/rtems/SemaphoreFactory.cpp
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@ -1,5 +1,5 @@
#include "fsfw/osal/rtems/BinarySemaphore.h"
//#include "fsfw/osal/rtems/CountingSemaphore.h"
// #include "fsfw/osal/rtems/CountingSemaphore.h"
#include "fsfw/serviceinterface/ServiceInterface.h"
#include "fsfw/tasks/SemaphoreFactory.h"

43
src/fsfw/pus/CService200ModeCommanding.cpp
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@ -19,7 +19,8 @@ ReturnValue_t CService200ModeCommanding::isValidSubservice(uint8_t subservice) {
switch (subservice) {
case (Subservice::COMMAND_MODE_COMMAND):
case (Subservice::COMMAND_MODE_READ):
case (Subservice::COMMAND_MODE_ANNCOUNCE):
case (Subservice::COMMAND_MODE_ANNOUNCE):
case (Subservice::COMMAND_MODE_ANNOUNCE_RECURSIVELY):
return returnvalue::OK;
default:
return AcceptsTelecommandsIF::INVALID_SUBSERVICE;
@ -53,16 +54,32 @@ ReturnValue_t CService200ModeCommanding::checkInterfaceAndAcquireMessageQueue(
ReturnValue_t CService200ModeCommanding::prepareCommand(CommandMessage *message, uint8_t subservice,
const uint8_t *tcData, size_t tcDataLen,
uint32_t *state, object_id_t objectId) {
ModePacket modeCommandPacket;
ReturnValue_t result =
modeCommandPacket.deSerialize(&tcData, &tcDataLen, SerializeIF::Endianness::BIG);
if (result != returnvalue::OK) {
return result;
}
bool recursive = false;
switch (subservice) {
case (Subservice::COMMAND_MODE_COMMAND): {
ModePacket modeCommandPacket;
ReturnValue_t result =
modeCommandPacket.deSerialize(&tcData, &tcDataLen, SerializeIF::Endianness::BIG);
if (result != returnvalue::OK) {
return result;
}
ModeMessage::setModeMessage(message, ModeMessage::CMD_MODE_COMMAND, modeCommandPacket.getMode(),
modeCommandPacket.getSubmode());
return result;
ModeMessage::setModeMessage(message, ModeMessage::CMD_MODE_COMMAND,
modeCommandPacket.getMode(), modeCommandPacket.getSubmode());
return returnvalue::OK;
}
case (Subservice::COMMAND_MODE_ANNOUNCE_RECURSIVELY):
recursive = true;
[[fallthrough]];
case (Subservice::COMMAND_MODE_ANNOUNCE):
ModeMessage::setModeAnnounceMessage(*message, recursive);
return EXECUTION_COMPLETE;
case (Subservice::COMMAND_MODE_READ):
ModeMessage::setModeReadMessage(*message);
return returnvalue::OK;
default:
return CommandingServiceBase::INVALID_SUBSERVICE;
}
}
ReturnValue_t CService200ModeCommanding::handleReply(const CommandMessage *reply,
@ -73,8 +90,10 @@ ReturnValue_t CService200ModeCommanding::handleReply(const CommandMessage *reply
ReturnValue_t result = returnvalue::FAILED;
switch (replyId) {
case (ModeMessage::REPLY_MODE_REPLY): {
result = prepareModeReply(reply, objectId);
break;
if (previousCommand != ModeMessage::CMD_MODE_COMMAND) {
return prepareModeReply(reply, objectId);
}
return returnvalue::OK;
}
case (ModeMessage::REPLY_WRONG_MODE_REPLY): {
result = prepareWrongModeReply(reply, objectId);

2
src/fsfw/pus/CService200ModeCommanding.h
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@ -52,7 +52,7 @@ class CService200ModeCommanding : public CommandingServiceBase {
COMMAND_MODE_READ = 3,
//!< [EXPORT] : [COMMAND] Trigger an ModeInfo Event.
//! This command does NOT have a reply
COMMAND_MODE_ANNCOUNCE = 4,
COMMAND_MODE_ANNOUNCE = 4,
//!< [EXPORT] : [COMMAND] Trigger a ModeInfo Event and to send this
//! command to every child. This command does NOT have a reply.
COMMAND_MODE_ANNOUNCE_RECURSIVELY = 5,

6
src/fsfw/pus/Service11TelecommandScheduling.tpp
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@ -2,12 +2,12 @@
#include <cstddef>
#include "fsfw/globalfunctions/CRC.h"
#include "fsfw/objectmanager/ObjectManager.h"
#include "fsfw/serialize/SerializeAdapter.h"
#include "fsfw/serviceinterface.h"
#include "fsfw/tmtcservices/AcceptsTelecommandsIF.h"
#include "fsfw/tmtcpacket/pus/tc/PusTcIF.h"
#include "fsfw/globalfunctions/CRC.h"
#include "fsfw/tmtcservices/AcceptsTelecommandsIF.h"
static constexpr auto DEF_END = SerializeIF::Endianness::BIG;
@ -180,7 +180,7 @@ inline ReturnValue_t Service11TelecommandScheduling<MAX_NUM_TCS>::doInsertActivi
if (CRC::crc16ccitt(data, size) != 0) {
return CONTAINED_TC_CRC_MISSMATCH;
}
// store currentPacket and receive the store address
store_address_t addr{};
if (tcStore->addData(&addr, data, size) != returnvalue::OK ||

22
src/fsfw/pus/Service9TimeManagement.cpp
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@ -1,5 +1,7 @@
#include "fsfw/pus/Service9TimeManagement.h"
#include <cmath>
#include "fsfw/events/EventManagerIF.h"
#include "fsfw/pus/servicepackets/Service9Packets.h"
#include "fsfw/serviceinterface/ServiceInterface.h"
@ -15,9 +17,17 @@ ReturnValue_t Service9TimeManagement::performService() { return returnvalue::OK;
ReturnValue_t Service9TimeManagement::handleRequest(uint8_t subservice) {
switch (subservice) {
case SUBSERVICE::SET_TIME: {
case Subservice::SET_TIME: {
return setTime();
}
case Subservice::DUMP_TIME: {
timeval newTime;
Clock::getClock_timeval(&newTime);
uint32_t subsecondMs =
static_cast<uint32_t>(std::floor(static_cast<double>(newTime.tv_usec) / 1000.0));
triggerEvent(CLOCK_DUMP, newTime.tv_sec, subsecondMs);
return returnvalue::OK;
}
default:
return AcceptsTelecommandsIF::INVALID_SUBSERVICE;
}
@ -33,14 +43,14 @@ ReturnValue_t Service9TimeManagement::setTime() {
return result;
}
uint32_t formerUptime;
Clock::getUptime(&formerUptime);
timeval time;
Clock::getClock_timeval(&time);
result = Clock::setClock(&timeToSet);
if (result == returnvalue::OK) {
uint32_t newUptime;
Clock::getUptime(&newUptime);
triggerEvent(CLOCK_SET, newUptime, formerUptime);
timeval newTime;
Clock::getClock_timeval(&newTime);
triggerEvent(CLOCK_SET, time.tv_sec, newTime.tv_sec);
return returnvalue::OK;
} else {
triggerEvent(CLOCK_SET_FAILURE, result, 0);

16
src/fsfw/pus/Service9TimeManagement.h
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@ -6,10 +6,13 @@
class Service9TimeManagement : public PusServiceBase {
public:
static constexpr uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::PUS_SERVICE_9;
static constexpr Event CLOCK_SET =
MAKE_EVENT(0, severity::INFO); //!< Clock has been set. P1: New Uptime. P2: Old Uptime
static constexpr Event CLOCK_SET_FAILURE =
MAKE_EVENT(1, severity::LOW); //!< Clock could not be set. P1: Returncode.
//!< Clock has been set. P1: old timeval seconds. P2: new timeval seconds.
static constexpr Event CLOCK_SET = MAKE_EVENT(0, severity::INFO);
//!< Clock dump event. P1: timeval seconds P2: timeval milliseconds.
static constexpr Event CLOCK_DUMP = MAKE_EVENT(1, severity::INFO);
//!< Clock could not be set. P1: Returncode.
static constexpr Event CLOCK_SET_FAILURE = MAKE_EVENT(2, severity::LOW);
static constexpr uint8_t CLASS_ID = CLASS_ID::PUS_SERVICE_9;
@ -30,8 +33,9 @@ class Service9TimeManagement : public PusServiceBase {
virtual ReturnValue_t setTime();
private:
enum SUBSERVICE {
SET_TIME = 128 //!< [EXPORT] : [COMMAND] Time command in ASCII, CUC or CDS format
enum Subservice {
SET_TIME = 128, //!< [EXPORT] : [COMMAND] Time command in ASCII, CUC or CDS format
DUMP_TIME = 129,
};
};

24
src/fsfw/rmap/rmapStructs.h
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@ -10,11 +10,11 @@
//////////////////////////////////////////////////////////////////////////////////
// RMAP command bits
//#define RMAP_COMMAND_BIT_INCREMENT 2
//#define RMAP_COMMAND_BIT_REPLY 3
//#define RMAP_COMMAND_BIT_WRITE 5
//#define RMAP_COMMAND_BIT_VERIFY 4
//#define RMAP_COMMAND_BIT 6
// #define RMAP_COMMAND_BIT_INCREMENT 2
// #define RMAP_COMMAND_BIT_REPLY 3
// #define RMAP_COMMAND_BIT_WRITE 5
// #define RMAP_COMMAND_BIT_VERIFY 4
// #define RMAP_COMMAND_BIT 6
namespace RMAPIds {
@ -32,14 +32,14 @@ static const uint8_t RMAP_COMMAND_READ = ((1 << RMAP_COMMAND_BIT) | (1 << RMAP_C
static const uint8_t RMAP_REPLY_WRITE =
((1 << RMAP_COMMAND_BIT_WRITE) | (1 << RMAP_COMMAND_BIT_REPLY));
static const uint8_t RMAP_REPLY_READ = ((1 << RMAP_COMMAND_BIT_REPLY));
//#define RMAP_COMMAND_WRITE ((1<<RMAP_COMMAND_BIT) | (1<<RMAP_COMMAND_BIT_WRITE)
// #define RMAP_COMMAND_WRITE ((1<<RMAP_COMMAND_BIT) | (1<<RMAP_COMMAND_BIT_WRITE)
//| (1<<RMAP_COMMAND_BIT_REPLY)) #define RMAP_COMMAND_WRITE_VERIFY ((1<<RMAP_COMMAND_BIT) |
//(1<<RMAP_COMMAND_BIT_WRITE) | (1<<RMAP_COMMAND_BIT_REPLY) | (1<<RMAP_COMMAND_BIT_VERIFY)) #define
// RMAP_COMMAND_READ ((1<<RMAP_COMMAND_BIT) | (1<<RMAP_COMMAND_BIT_REPLY))
// RMAP_COMMAND_READ ((1<<RMAP_COMMAND_BIT) | (1<<RMAP_COMMAND_BIT_REPLY))
//#define RMAP_REPLY_WRITE ((1<<RMAP_COMMAND_BIT_WRITE) |
// #define RMAP_REPLY_WRITE ((1<<RMAP_COMMAND_BIT_WRITE) |
//(1<<RMAP_COMMAND_BIT_REPLY))
//#define RMAP_REPLY_WRITE_VERIFY ((1<<RMAP_COMMAND_BIT_WRITE) |
// #define RMAP_REPLY_WRITE_VERIFY ((1<<RMAP_COMMAND_BIT_WRITE) |
//(1<<RMAP_COMMAND_BIT_REPLY) | (1<<RMAP_COMMAND_BIT_VERIFY)) #define RMAP_REPLY_READ
//((1<<RMAP_COMMAND_BIT_REPLY))
@ -49,9 +49,9 @@ static const uint8_t RMAP_COMMAND_HEADER_LEN = 16;
static const uint8_t RMAP_WRITE_REPLY_HEADER_LEN = 8;
static const uint8_t RMAP_READ_REPLY_HEADER_LEN = 12;
static const uint8_t RMAP_DATA_FOOTER_SIZE = 1; // SIZE OF CRC
//#define RMAP_COMMAND_HEADER_LEN 16
//#define RMAP_WRITE_REPLY_HEADER_LEN 8
//#define RMAP_READ_REPLY_HEADER_LEN 12
// #define RMAP_COMMAND_HEADER_LEN 16
// #define RMAP_WRITE_REPLY_HEADER_LEN 8
// #define RMAP_READ_REPLY_HEADER_LEN 12
} // namespace RMAPIds

2
src/fsfw/timemanager/CdsShortTimeStamper.cpp
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@ -4,6 +4,8 @@
#include "fsfw/timemanager/Clock.h"
CdsShortTimeStamper::CdsShortTimeStamper() : SystemObject(0, false) {}
CdsShortTimeStamper::CdsShortTimeStamper(object_id_t objectId) : SystemObject(objectId) {}
ReturnValue_t CdsShortTimeStamper::serialize(uint8_t **buffer, size_t *size, size_t maxSize,

1
src/fsfw/timemanager/CdsShortTimeStamper.h
View File

@ -18,6 +18,7 @@
class CdsShortTimeStamper : public TimeWriterIF, public TimeReaderIF, public SystemObject {
public:
static constexpr size_t TIMESTAMP_LEN = 7;
CdsShortTimeStamper();
/**
* @brief Default constructor which also registers the time stamper as a
* system object so it can be found with the #objectManager.

30
src/fsfw/tmtcservices/TmTcBridge.cpp
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@ -16,7 +16,9 @@ TmTcBridge::TmTcBridge(const char* name, object_id_t objectId, object_id_t tcDes
tcDestination(tcDestination)
{
tmTcReceptionQueue = QueueFactory::instance()->createMessageQueue(TMTC_RECEPTION_QUEUE_DEPTH);
auto mqArgs = MqArgs(objectId, static_cast<void*>(this));
tmTcReceptionQueue = QueueFactory::instance()->createMessageQueue(
TMTC_RECEPTION_QUEUE_DEPTH, MessageQueueMessage::MAX_MESSAGE_SIZE, &mqArgs);
}
TmTcBridge::~TmTcBridge() { QueueFactory::instance()->deleteMessageQueue(tmTcReceptionQueue); }
@ -35,7 +37,7 @@ ReturnValue_t TmTcBridge::setNumberOfSentPacketsPerCycle(uint8_t sentPacketsPerC
}
}
ReturnValue_t TmTcBridge::setMaxNumberOfPacketsStored(uint8_t maxNumberOfPacketsStored) {
ReturnValue_t TmTcBridge::setMaxNumberOfPacketsStored(unsigned int maxNumberOfPacketsStored) {
if (maxNumberOfPacketsStored <= LIMIT_DOWNLINK_PACKETS_STORED) {
this->maxNumberOfPacketsStored = maxNumberOfPacketsStored;
return returnvalue::OK;
@ -143,13 +145,17 @@ ReturnValue_t TmTcBridge::handleTmQueue() {
#endif /* FSFW_VERBOSE_LEVEL >= 3 */
if (communicationLinkUp == false or packetSentCounter >= sentPacketsPerCycle) {
storeDownlinkData(&message);
ReturnValue_t result = storeDownlinkData(&message);
if (result != returnvalue::OK) {
tmStore->deleteData(message.getStorageId());
}
continue;
}
result = tmStore->getData(message.getStorageId(), &data, &size);
if (result != returnvalue::OK) {
status = result;
tmStore->deleteData(message.getStorageId());
continue;
}
@ -157,9 +163,9 @@ ReturnValue_t TmTcBridge::handleTmQueue() {
if (result != returnvalue::OK) {
status = result;
} else {
tmStore->deleteData(message.getStorageId());
packetSentCounter++;
}
tmStore->deleteData(message.getStorageId());
}
return status;
}
@ -171,15 +177,18 @@ ReturnValue_t TmTcBridge::storeDownlinkData(TmTcMessage* message) {
}
if (tmFifo->full()) {
if (warningSwitch) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "TmTcBridge::storeDownlinkData: TM downlink max. number "
"of stored packet IDs reached!"
<< std::endl;
sif::warning << "TmTcBridge::storeDownlinkData: TM downlink max. number "
"of stored packet IDs reached!"
<< std::endl;
#else
sif::printWarning(
"TmTcBridge::storeDownlinkData: TM downlink max. number "
"of stored packet IDs reached!\n");
sif::printWarning(
"TmTcBridge::storeDownlinkData: TM downlink max. number "
"of stored packet IDs reached!\n");
#endif
warningSwitch = false;
}
if (overwriteOld) {
tmFifo->retrieve(&storeId);
tmStore->deleteData(storeId);
@ -221,6 +230,7 @@ ReturnValue_t TmTcBridge::handleStoredTm() {
packetSentCounter++;
if (tmFifo->empty()) {
warningSwitch = true;
tmStored = false;
}
tmStore->deleteData(storeId);

7
src/fsfw/tmtcservices/TmTcBridge.h
View File

@ -17,7 +17,7 @@ class TmTcBridge : public AcceptsTelemetryIF,
public:
static constexpr uint8_t TMTC_RECEPTION_QUEUE_DEPTH = 20;
static constexpr uint8_t LIMIT_STORED_DATA_SENT_PER_CYCLE = 15;
static constexpr uint8_t LIMIT_DOWNLINK_PACKETS_STORED = 200;
static constexpr unsigned int LIMIT_DOWNLINK_PACKETS_STORED = 500;
static constexpr uint8_t DEFAULT_STORED_DATA_SENT_PER_CYCLE = 5;
static constexpr uint8_t DEFAULT_DOWNLINK_PACKETS_STORED = 10;
@ -42,7 +42,7 @@ class TmTcBridge : public AcceptsTelemetryIF,
* @return -@c returnvalue::OK if value was set successfully
* -@c returnvalue::FAILED otherwise, stored value stays the same
*/
ReturnValue_t setMaxNumberOfPacketsStored(uint8_t maxNumberOfPacketsStored);
ReturnValue_t setMaxNumberOfPacketsStored(unsigned int maxNumberOfPacketsStored);
/**
* This will set up the bridge to overwrite old data in the FIFO.
@ -91,6 +91,7 @@ class TmTcBridge : public AcceptsTelemetryIF,
//! by default, so telemetry will be handled immediately.
bool communicationLinkUp = true;
bool tmStored = false;
bool warningSwitch = true;
bool overwriteOld = true;
uint8_t packetSentCounter = 0;
@ -152,7 +153,7 @@ class TmTcBridge : public AcceptsTelemetryIF,
*/
DynamicFIFO<store_address_t>* tmFifo = nullptr;
uint8_t sentPacketsPerCycle = DEFAULT_STORED_DATA_SENT_PER_CYCLE;
uint8_t maxNumberOfPacketsStored = DEFAULT_DOWNLINK_PACKETS_STORED;
unsigned int maxNumberOfPacketsStored = DEFAULT_DOWNLINK_PACKETS_STORED;
};
#endif /* FSFW_TMTCSERVICES_TMTCBRIDGE_H_ */

2
src/fsfw_hal/devicehandlers/MgmRM3100Handler.cpp
View File

@ -325,7 +325,7 @@ ReturnValue_t MgmRM3100Handler::handleDataReadout(const uint8_t *packet) {
// trickery here to calculate the raw values first
int32_t fieldStrengthRawX = ((packet[1] << 24) | (packet[2] << 16) | (packet[3] << 8)) >> 8;
int32_t fieldStrengthRawY = ((packet[4] << 24) | (packet[5] << 16) | (packet[6] << 8)) >> 8;
int32_t fieldStrengthRawZ = ((packet[7] << 24) | (packet[8] << 16) | (packet[3] << 8)) >> 8;
int32_t fieldStrengthRawZ = ((packet[7] << 24) | (packet[8] << 16) | (packet[9] << 8)) >> 8;
// Now scale to physical value in microtesla
float fieldStrengthX = fieldStrengthRawX * scaleFactorX;