230 lines
8.3 KiB
C++
230 lines
8.3 KiB
C++
#include <fsfw/datapool/PoolReadGuard.h>
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#include <mission/devices/SusHandler.h>
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#include <OBSWConfig.h>
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#include <fsfw_hal/linux/spi/SpiComIF.h>
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SusHandler::SusHandler(object_id_t objectId, object_id_t comIF, CookieIF * comCookie,
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LinuxLibgpioIF* gpioComIF, gpioId_t chipSelectId) :
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DeviceHandlerBase(objectId, comIF, comCookie), gpioComIF(gpioComIF), chipSelectId(
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chipSelectId), dataset(this) {
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if (comCookie == NULL) {
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sif::error << "SusHandler: Invalid com cookie" << std::endl;
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}
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if (gpioComIF == NULL) {
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sif::error << "SusHandler: Invalid GpioComIF" << std::endl;
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}
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}
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SusHandler::~SusHandler() {
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}
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ReturnValue_t SusHandler::performOperation(uint8_t counter) {
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if (counter != FIRST_WRITE) {
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DeviceHandlerBase::performOperation(counter);
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return RETURN_OK;
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}
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if (mode != MODE_NORMAL) {
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DeviceHandlerBase::performOperation(DeviceHandlerIF::SEND_WRITE);
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return RETURN_OK;
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}
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/* If device is in normale mode the communication sequence is initiated here */
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if (communicationStep == CommunicationStep::IDLE) {
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communicationStep = CommunicationStep::WRITE_SETUP;
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}
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DeviceHandlerBase::performOperation(DeviceHandlerIF::SEND_WRITE);
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return RETURN_OK;
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}
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ReturnValue_t SusHandler::initialize() {
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ReturnValue_t result = RETURN_OK;
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result = DeviceHandlerBase::initialize();
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if (result != RETURN_OK) {
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return result;
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}
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auto spiComIF = dynamic_cast<SpiComIF*>(communicationInterface);
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if (spiComIF == nullptr) {
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sif::debug << "SusHandler::initialize: Invalid communication interface" << std::endl;
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return ObjectManagerIF::CHILD_INIT_FAILED;
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}
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spiMutex = spiComIF->getMutex();
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if (spiMutex == nullptr) {
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sif::debug << "SusHandler::initialize: Failed to get spi mutex" << std::endl;
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return ObjectManagerIF::CHILD_INIT_FAILED;
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}
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return RETURN_OK;
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}
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void SusHandler::doStartUp(){
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#if OBSW_SWITCH_TO_NORMAL_MODE_AFTER_STARTUP == 1
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setMode(MODE_NORMAL);
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#else
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setMode(_MODE_TO_ON);
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#endif
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}
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void SusHandler::doShutDown(){
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setMode(_MODE_POWER_DOWN);
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}
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ReturnValue_t SusHandler::buildNormalDeviceCommand(
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DeviceCommandId_t * id) {
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if (communicationStep == CommunicationStep::IDLE) {
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return NOTHING_TO_SEND;
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}
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if (communicationStep == CommunicationStep::WRITE_SETUP) {
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*id = SUS::WRITE_SETUP;
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communicationStep = CommunicationStep::START_CONVERSIONS;
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}
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else if (communicationStep == CommunicationStep::START_CONVERSIONS) {
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*id = SUS::START_CONVERSIONS;
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communicationStep = CommunicationStep::READ_CONVERSIONS;
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}
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else if (communicationStep == CommunicationStep::READ_CONVERSIONS) {
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*id = SUS::READ_CONVERSIONS;
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communicationStep = CommunicationStep::IDLE;
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}
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return buildCommandFromCommand(*id, nullptr, 0);
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}
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ReturnValue_t SusHandler::buildTransitionDeviceCommand(
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DeviceCommandId_t * id){
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return HasReturnvaluesIF::RETURN_OK;
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}
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ReturnValue_t SusHandler::buildCommandFromCommand(
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DeviceCommandId_t deviceCommand, const uint8_t * commandData,
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size_t commandDataLen) {
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switch(deviceCommand) {
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case(SUS::WRITE_SETUP): {
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/**
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* The sun sensor ADC is shutdown when CS is pulled high, so each time requesting a
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* measurement the setup has to be rewritten. There must also be a little delay between
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* the transmission of the setup byte and the first conversion. Thus the conversion
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* will be performed in an extra step.
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* Because the chip select is driven manually by the SusHandler the SPI bus must be
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* protected with a mutex here.
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*/
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ReturnValue_t result = spiMutex->lockMutex(timeoutType, timeoutMs);
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if(result == MutexIF::MUTEX_TIMEOUT) {
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sif::error << "SusHandler::buildCommandFromCommand: Mutex timeout" << std::endl;
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return ERROR_LOCK_MUTEX;
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}
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else if(result != HasReturnvaluesIF::RETURN_OK) {
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sif::error << "SusHandler::buildCommandFromCommand: Failed to lock spi mutex"
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<< std::endl;
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return ERROR_LOCK_MUTEX;
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}
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gpioComIF->pullLow(chipSelectId);
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cmdBuffer[0] = SUS::SETUP;
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rawPacket = cmdBuffer;
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rawPacketLen = 1;
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return RETURN_OK;
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}
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case(SUS::START_CONVERSIONS): {
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std::memset(cmdBuffer, 0, sizeof(cmdBuffer));
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cmdBuffer[0] = SUS::CONVERSION;
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rawPacket = cmdBuffer;
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rawPacketLen = 1;
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return RETURN_OK;
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}
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case(SUS::READ_CONVERSIONS): {
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std::memset(cmdBuffer, 0, sizeof(cmdBuffer));
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rawPacket = cmdBuffer;
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rawPacketLen = SUS::SIZE_READ_CONVERSIONS;
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return RETURN_OK;
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}
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default:
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return DeviceHandlerIF::COMMAND_NOT_IMPLEMENTED;
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}
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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void SusHandler::fillCommandAndReplyMap() {
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this->insertInCommandMap(SUS::WRITE_SETUP);
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this->insertInCommandMap(SUS::START_CONVERSIONS);
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this->insertInCommandAndReplyMap(SUS::READ_CONVERSIONS, 1, &dataset, SUS::SIZE_READ_CONVERSIONS);
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}
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ReturnValue_t SusHandler::scanForReply(const uint8_t *start,
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size_t remainingSize, DeviceCommandId_t *foundId, size_t *foundLen) {
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*foundId = this->getPendingCommand();
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*foundLen = remainingSize;
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return HasReturnvaluesIF::RETURN_OK;
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}
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ReturnValue_t SusHandler::interpretDeviceReply(DeviceCommandId_t id,
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const uint8_t *packet) {
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switch (id) {
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case SUS::READ_CONVERSIONS: {
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PoolReadGuard readSet(&dataset);
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dataset.temperatureCelcius = (*(packet) << 8 | *(packet + 1)) * 0.125;
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dataset.ain0 = (*(packet + 2) << 8 | *(packet + 3));
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dataset.ain1 = (*(packet + 4) << 8 | *(packet + 5));
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dataset.ain2 = (*(packet + 6) << 8 | *(packet + 7));
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dataset.ain3 = (*(packet + 8) << 8 | *(packet + 9));
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dataset.ain4 = (*(packet + 10) << 8 | *(packet + 11));
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dataset.ain5 = (*(packet + 12) << 8 | *(packet + 13));
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#if OBSW_VERBOSE_LEVEL >= 1 && DEBUG_SUS
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sif::info << "SUS object id 0x" << std::hex << this->getObjectId() << ", Temperature: "
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<< dataset.temperatureCelcius << " °C" << std::endl;
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sif::info << "SUS object id 0x" << std::hex << this->getObjectId() << ", AIN0: "
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<< std::dec << dataset.ain0 << std::endl;
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sif::info << "SUS object id 0x" << std::hex << this->getObjectId() << ", AIN1: "
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<< std::dec << dataset.ain1 << std::endl;
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sif::info << "SUS object id 0x" << std::hex << this->getObjectId() << ", AIN2: "
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<< std::dec << dataset.ain2 << std::endl;
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sif::info << "SUS object id 0x" << std::hex << this->getObjectId() << ", AIN3: "
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<< std::dec << dataset.ain3 << std::endl;
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sif::info << "SUS object id 0x" << std::hex << this->getObjectId() << ", AIN4: "
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<< std::dec << dataset.ain4 << std::endl;
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sif::info << "SUS object id 0x" << std::hex << this->getObjectId() << ", AIN5: "
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<< std::dec << dataset.ain5 << std::endl;
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#endif
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/** SUS can now be shutdown and thus the SPI bus released again */
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gpioComIF->pullHigh(chipSelectId);
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ReturnValue_t result = spiMutex->unlockMutex();
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if (result != RETURN_OK) {
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sif::error << "SusHandler::interpretDeviceReply: Failed to unlock spi mutex"
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<< std::endl;
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return ERROR_UNLOCK_MUTEX;
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}
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break;
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}
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default: {
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sif::debug << "SusHandler::interpretDeviceReply: Unknown reply id" << std::endl;
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return DeviceHandlerIF::UNKNOWN_DEVICE_REPLY;
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}
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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void SusHandler::setNormalDatapoolEntriesInvalid(){
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}
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uint32_t SusHandler::getTransitionDelayMs(Mode_t modeFrom, Mode_t modeTo){
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return 1000;
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}
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ReturnValue_t SusHandler::initializeLocalDataPool(localpool::DataPool& localDataPoolMap,
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LocalDataPoolManager& poolManager) {
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localDataPoolMap.emplace(SUS::TEMPERATURE_C, new PoolEntry<float>( { 0.0 }));
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localDataPoolMap.emplace(SUS::AIN0, new PoolEntry<uint16_t>( { 0 }));
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localDataPoolMap.emplace(SUS::AIN1, new PoolEntry<uint16_t>( { 0 }));
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localDataPoolMap.emplace(SUS::AIN2, new PoolEntry<uint16_t>( { 0 }));
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localDataPoolMap.emplace(SUS::AIN3, new PoolEntry<uint16_t>( { 0 }));
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localDataPoolMap.emplace(SUS::AIN4, new PoolEntry<uint16_t>( { 0 }));
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localDataPoolMap.emplace(SUS::AIN5, new PoolEntry<uint16_t>( { 0 }));
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return HasReturnvaluesIF::RETURN_OK;
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}
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