147 lines
5.2 KiB
C++
147 lines
5.2 KiB
C++
#include <OBSWConfig.h>
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#include <fsfw/datapool/PoolReadGuard.h>
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#include <mission/tcs/Tmp1075Definitions.h>
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#include <mission/tcs/Tmp1075Handler.h>
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Tmp1075Handler::Tmp1075Handler(object_id_t objectId, object_id_t comIF, CookieIF *comCookie)
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: DeviceHandlerBase(objectId, comIF, comCookie), dataset(this) {
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if (comCookie == NULL) {
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sif::error << "Tmp1075Handler: Invalid com cookie" << std::endl;
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}
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}
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Tmp1075Handler::~Tmp1075Handler() {}
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void Tmp1075Handler::doStartUp() { setMode(MODE_ON); }
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void Tmp1075Handler::doShutDown() {
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communicationStep = CommunicationStep::START_ADC_CONVERSION;
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PoolReadGuard pg(&dataset);
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dataset.setValidity(false, true);
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setMode(_MODE_POWER_DOWN);
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}
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ReturnValue_t Tmp1075Handler::buildNormalDeviceCommand(DeviceCommandId_t *id) {
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if (communicationStep == CommunicationStep::START_ADC_CONVERSION) {
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*id = TMP1075::START_ADC_CONVERSION;
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communicationStep = CommunicationStep::GET_TEMPERATURE;
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return buildCommandFromCommand(*id, NULL, 0);
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} else {
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*id = TMP1075::GET_TEMP;
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communicationStep = CommunicationStep::START_ADC_CONVERSION;
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return buildCommandFromCommand(*id, NULL, 0);
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}
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return returnvalue::OK;
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}
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ReturnValue_t Tmp1075Handler::buildTransitionDeviceCommand(DeviceCommandId_t *id) {
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return NOTHING_TO_SEND;
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}
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ReturnValue_t Tmp1075Handler::buildCommandFromCommand(DeviceCommandId_t deviceCommand,
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const uint8_t *commandData,
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size_t commandDataLen) {
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switch (deviceCommand) {
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case (TMP1075::START_ADC_CONVERSION): {
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std::memset(cmdBuffer, 0, sizeof(cmdBuffer));
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prepareAdcConversionCommand();
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rawPacket = cmdBuffer;
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rawPacketLen = TMP1075::CFGR_CMD_SIZE;
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return returnvalue::OK;
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}
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case (TMP1075::GET_TEMP): {
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std::memset(cmdBuffer, 0, sizeof(cmdBuffer));
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prepareGetTempCommand();
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rawPacket = cmdBuffer;
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rawPacketLen = TMP1075::POINTER_REG_SIZE;
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rememberCommandId = TMP1075::GET_TEMP;
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return returnvalue::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 returnvalue::FAILED;
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}
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void Tmp1075Handler::fillCommandAndReplyMap() {
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this->insertInCommandMap(TMP1075::START_ADC_CONVERSION);
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this->insertInCommandAndReplyMap(TMP1075::GET_TEMP, 1, &dataset, TMP1075::GET_TEMP_REPLY_SIZE);
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}
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ReturnValue_t Tmp1075Handler::scanForReply(const uint8_t *start, size_t remainingSize,
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DeviceCommandId_t *foundId, size_t *foundLen) {
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switch (rememberCommandId) {
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case (TMP1075::GET_TEMP):
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*foundId = TMP1075::GET_TEMP;
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*foundLen = TMP1075::GET_TEMP_REPLY_SIZE;
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rememberCommandId = TMP1075::NONE;
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break;
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default:
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return IGNORE_REPLY_DATA;
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}
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return returnvalue::OK;
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}
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ReturnValue_t Tmp1075Handler::interpretDeviceReply(DeviceCommandId_t id, const uint8_t *packet) {
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switch (id) {
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case TMP1075::GET_TEMP: {
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// Convert 12 bit MSB first raw temperature to 16 bit first.
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int16_t tempValueRaw = static_cast<uint16_t>((packet[0] << 8) | packet[1]) >> 4;
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// Sign extension to 16 bits: If the sign bit is set, fill up with ones on the left.
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tempValueRaw = (packet[0] & 0x80) ? (tempValueRaw | 0xF000) : tempValueRaw;
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// 0.0625 is the sensor sensitivity.
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float tempValue = ((static_cast<float>(tempValueRaw)) * 0.0625);
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#if OBSW_DEBUG_TMP1075 == 1
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sif::info << "Tmp1075 with object id: 0x" << std::hex << getObjectId()
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<< ": Temperature: " << tempValue << " °C" << std::endl;
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#endif
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ReturnValue_t result = dataset.read();
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if (result == returnvalue::OK) {
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dataset.temperatureCelcius = tempValue;
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dataset.setValidity(true, true);
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dataset.commit();
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} else {
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dataset.setValidity(false, true);
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}
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break;
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}
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default: {
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return DeviceHandlerIF::UNKNOWN_DEVICE_REPLY;
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}
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}
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return returnvalue::OK;
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}
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void Tmp1075Handler::setNormalDatapoolEntriesInvalid() {}
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void Tmp1075Handler::prepareAdcConversionCommand() {
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cmdBuffer[0] = TMP1075::CFGR_ADDR;
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cmdBuffer[1] = TMP1075::ONE_SHOT_MODE >> 8;
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cmdBuffer[2] = TMP1075::ONE_SHOT_MODE & 0xFF;
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}
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void Tmp1075Handler::prepareGetTempCommand() { cmdBuffer[0] = TMP1075::TEMP_REG_ADDR; }
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uint32_t Tmp1075Handler::getTransitionDelayMs(Mode_t modeFrom, Mode_t modeTo) { return 500; }
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ReturnValue_t Tmp1075Handler::initializeLocalDataPool(localpool::DataPool &localDataPoolMap,
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LocalDataPoolManager &poolManager) {
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localDataPoolMap.emplace(TMP1075::TEMPERATURE_C_TMP1075, new PoolEntry<float>({0.0}));
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poolManager.subscribeForRegularPeriodicPacket(
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subdp::RegularHkPeriodicParams(dataset.getSid(), false, 30.0));
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return returnvalue::OK;
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}
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ReturnValue_t Tmp1075Handler::setHealth(HealthState health) {
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if (health != FAULTY and health != PERMANENT_FAULTY and health != HEALTHY and
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health != EXTERNAL_CONTROL) {
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return returnvalue::FAILED;
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}
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// Required because we do not have an assembly.
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if (health == FAULTY or health == PERMANENT_FAULTY) {
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setMode(_MODE_SHUT_DOWN);
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}
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return DeviceHandlerBase::setHealth(health);
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}
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