diff --git a/hal/src/fsfw_hal/devicehandlers/MgmLIS3MDLHandler.cpp b/hal/src/fsfw_hal/devicehandlers/MgmLIS3MDLHandler.cpp new file mode 100644 index 00000000..891d6fdc --- /dev/null +++ b/hal/src/fsfw_hal/devicehandlers/MgmLIS3MDLHandler.cpp @@ -0,0 +1,518 @@ +#include "MgmLIS3MDLHandler.h" + +#include "fsfw/datapool/PoolReadGuard.h" +#if FSFW_HAL_LIS3MDL_MGM_DEBUG == 1 +#include "fsfw/globalfunctions/PeriodicOperationDivider.h" +#endif + +MgmLIS3MDLHandler::MgmLIS3MDLHandler(object_id_t objectId, object_id_t deviceCommunication, + CookieIF* comCookie, uint32_t transitionDelay): + DeviceHandlerBase(objectId, deviceCommunication, comCookie), + dataset(this), transitionDelay(transitionDelay) { +#if FSFW_HAL_LIS3MDL_MGM_DEBUG == 1 + debugDivider = new PeriodicOperationDivider(3); +#endif + // Set to default values right away + registers[0] = MGMLIS3MDL::CTRL_REG1_DEFAULT; + registers[1] = MGMLIS3MDL::CTRL_REG2_DEFAULT; + registers[2] = MGMLIS3MDL::CTRL_REG3_DEFAULT; + registers[3] = MGMLIS3MDL::CTRL_REG4_DEFAULT; + registers[4] = MGMLIS3MDL::CTRL_REG5_DEFAULT; + +} + +MgmLIS3MDLHandler::~MgmLIS3MDLHandler() { +} + + +void MgmLIS3MDLHandler::doStartUp() { + switch (internalState) { + case(InternalState::STATE_NONE): { + internalState = InternalState::STATE_FIRST_CONTACT; + break; + } + case(InternalState::STATE_FIRST_CONTACT): { + /* Will be set by checking device ID (WHO AM I register) */ + if(commandExecuted) { + commandExecuted = false; + internalState = InternalState::STATE_SETUP; + } + break; + } + case(InternalState::STATE_SETUP): { + internalState = InternalState::STATE_CHECK_REGISTERS; + break; + } + case(InternalState::STATE_CHECK_REGISTERS): { + /* Set up cached registers which will be used to configure the MGM. */ + if(commandExecuted) { + commandExecuted = false; + if(goToNormalMode) { + setMode(MODE_NORMAL); + } + else { + setMode(_MODE_TO_ON); + } + } + break; + } + default: + break; + } + +} + +void MgmLIS3MDLHandler::doShutDown() { + setMode(_MODE_POWER_DOWN); +} + +ReturnValue_t MgmLIS3MDLHandler::buildTransitionDeviceCommand( + DeviceCommandId_t *id) { + switch (internalState) { + case(InternalState::STATE_NONE): + case(InternalState::STATE_NORMAL): { + return HasReturnvaluesIF::RETURN_OK; + } + case(InternalState::STATE_FIRST_CONTACT): { + *id = MGMLIS3MDL::IDENTIFY_DEVICE; + break; + } + case(InternalState::STATE_SETUP): { + *id = MGMLIS3MDL::SETUP_MGM; + break; + } + case(InternalState::STATE_CHECK_REGISTERS): { + *id = MGMLIS3MDL::READ_CONFIG_AND_DATA; + break; + } + default: { + /* might be a configuration error. */ +#if FSFW_CPP_OSTREAM_ENABLED == 1 + sif::warning << "GyroHandler::buildTransitionDeviceCommand: Unknown internal state!" << + std::endl; +#else + sif::printWarning("GyroHandler::buildTransitionDeviceCommand: Unknown internal state!\n"); +#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */ + return HasReturnvaluesIF::RETURN_OK; + } + + } + return buildCommandFromCommand(*id, NULL, 0); +} + +uint8_t MgmLIS3MDLHandler::readCommand(uint8_t command, bool continuousCom) { + command |= (1 << MGMLIS3MDL::RW_BIT); + if (continuousCom == true) { + command |= (1 << MGMLIS3MDL::MS_BIT); + } + return command; +} + +uint8_t MgmLIS3MDLHandler::writeCommand(uint8_t command, bool continuousCom) { + command &= ~(1 << MGMLIS3MDL::RW_BIT); + if (continuousCom == true) { + command |= (1 << MGMLIS3MDL::MS_BIT); + } + return command; +} + +void MgmLIS3MDLHandler::setupMgm() { + + registers[0] = MGMLIS3MDL::CTRL_REG1_DEFAULT; + registers[1] = MGMLIS3MDL::CTRL_REG2_DEFAULT; + registers[2] = MGMLIS3MDL::CTRL_REG3_DEFAULT; + registers[3] = MGMLIS3MDL::CTRL_REG4_DEFAULT; + registers[4] = MGMLIS3MDL::CTRL_REG5_DEFAULT; + + prepareCtrlRegisterWrite(); +} + +ReturnValue_t MgmLIS3MDLHandler::buildNormalDeviceCommand( + DeviceCommandId_t *id) { + // Data/config register will be read in an alternating manner. + if(communicationStep == CommunicationStep::DATA) { + *id = MGMLIS3MDL::READ_CONFIG_AND_DATA; + communicationStep = CommunicationStep::TEMPERATURE; + return buildCommandFromCommand(*id, NULL, 0); + } + else { + *id = MGMLIS3MDL::READ_TEMPERATURE; + communicationStep = CommunicationStep::DATA; + return buildCommandFromCommand(*id, NULL, 0); + } + +} + +ReturnValue_t MgmLIS3MDLHandler::buildCommandFromCommand( + DeviceCommandId_t deviceCommand, const uint8_t *commandData, + size_t commandDataLen) { + switch(deviceCommand) { + case(MGMLIS3MDL::READ_CONFIG_AND_DATA): { + std::memset(commandBuffer, 0, sizeof(commandBuffer)); + commandBuffer[0] = readCommand(MGMLIS3MDL::CTRL_REG1, true); + + rawPacket = commandBuffer; + rawPacketLen = MGMLIS3MDL::NR_OF_DATA_AND_CFG_REGISTERS + 1; + return RETURN_OK; + } + case(MGMLIS3MDL::READ_TEMPERATURE): { + std::memset(commandBuffer, 0, 3); + commandBuffer[0] = readCommand(MGMLIS3MDL::TEMP_LOWBYTE, true); + + rawPacket = commandBuffer; + rawPacketLen = 3; + return RETURN_OK; + } + case(MGMLIS3MDL::IDENTIFY_DEVICE): { + return identifyDevice(); + } + case(MGMLIS3MDL::TEMP_SENSOR_ENABLE): { + return enableTemperatureSensor(commandData, commandDataLen); + } + case(MGMLIS3MDL::SETUP_MGM): { + setupMgm(); + return HasReturnvaluesIF::RETURN_OK; + } + case(MGMLIS3MDL::ACCURACY_OP_MODE_SET): { + return setOperatingMode(commandData, commandDataLen); + } + default: + return DeviceHandlerIF::COMMAND_NOT_IMPLEMENTED; + } + return HasReturnvaluesIF::RETURN_FAILED; +} + +ReturnValue_t MgmLIS3MDLHandler::identifyDevice() { + uint32_t size = 2; + commandBuffer[0] = readCommand(MGMLIS3MDL::IDENTIFY_DEVICE_REG_ADDR); + commandBuffer[1] = 0x00; + + rawPacket = commandBuffer; + rawPacketLen = size; + + return RETURN_OK; +} + +ReturnValue_t MgmLIS3MDLHandler::scanForReply(const uint8_t *start, + size_t len, DeviceCommandId_t *foundId, size_t *foundLen) { + *foundLen = len; + if (len == MGMLIS3MDL::NR_OF_DATA_AND_CFG_REGISTERS + 1) { + *foundLen = len; + *foundId = MGMLIS3MDL::READ_CONFIG_AND_DATA; + // Check validity by checking config registers + if (start[1] != registers[0] or start[2] != registers[1] or + start[3] != registers[2] or start[4] != registers[3] or + start[5] != registers[4]) { +#if FSFW_VERBOSE_LEVEL >= 1 +#if FSFW_CPP_OSTREAM_ENABLED == 1 + sif::warning << "MGMHandlerLIS3MDL::scanForReply: Invalid registers!" << std::endl; +#else + sif::printWarning("MGMHandlerLIS3MDL::scanForReply: Invalid registers!\n"); +#endif +#endif + return DeviceHandlerIF::INVALID_DATA; + } + if(mode == _MODE_START_UP) { + commandExecuted = true; + } + + } + else if(len == MGMLIS3MDL::TEMPERATURE_REPLY_LEN) { + *foundLen = len; + *foundId = MGMLIS3MDL::READ_TEMPERATURE; + } + else if (len == MGMLIS3MDL::SETUP_REPLY_LEN) { + *foundLen = len; + *foundId = MGMLIS3MDL::SETUP_MGM; + } + else if (len == SINGLE_COMMAND_ANSWER_LEN) { + *foundLen = len; + *foundId = getPendingCommand(); + if(*foundId == MGMLIS3MDL::IDENTIFY_DEVICE) { + if(start[1] != MGMLIS3MDL::DEVICE_ID) { +#if FSFW_VERBOSE_LEVEL >= 1 +#if FSFW_CPP_OSTREAM_ENABLED == 1 + sif::warning << "MGMHandlerLIS3MDL::scanForReply: " + "Device identification failed!" << std::endl; +#else + sif::printWarning("MGMHandlerLIS3MDL::scanForReply: " + "Device identification failed!\n"); +#endif +#endif + return DeviceHandlerIF::INVALID_DATA; + } + + if(mode == _MODE_START_UP) { + commandExecuted = true; + } + } + } + else { + return DeviceHandlerIF::INVALID_DATA; + } + + /* Data with SPI Interface always has this answer */ + if (start[0] == 0b11111111) { + return RETURN_OK; + } + else { + return DeviceHandlerIF::INVALID_DATA; + } + +} +ReturnValue_t MgmLIS3MDLHandler::interpretDeviceReply(DeviceCommandId_t id, + const uint8_t *packet) { + + switch (id) { + case MGMLIS3MDL::IDENTIFY_DEVICE: { + break; + } + case MGMLIS3MDL::SETUP_MGM: { + break; + } + case MGMLIS3MDL::READ_CONFIG_AND_DATA: { + // TODO: Store configuration in new local datasets. + float sensitivityFactor = getSensitivityFactor(getSensitivity(registers[2])); + + int16_t mgmMeasurementRawX = packet[MGMLIS3MDL::X_HIGHBYTE_IDX] << 8 + | packet[MGMLIS3MDL::X_LOWBYTE_IDX] ; + int16_t mgmMeasurementRawY = packet[MGMLIS3MDL::Y_HIGHBYTE_IDX] << 8 + | packet[MGMLIS3MDL::Y_LOWBYTE_IDX] ; + int16_t mgmMeasurementRawZ = packet[MGMLIS3MDL::Z_HIGHBYTE_IDX] << 8 + | packet[MGMLIS3MDL::Z_LOWBYTE_IDX] ; + + /* Target value in microtesla */ + float mgmX = static_cast(mgmMeasurementRawX) * sensitivityFactor + * MGMLIS3MDL::GAUSS_TO_MICROTESLA_FACTOR; + float mgmY = static_cast(mgmMeasurementRawY) * sensitivityFactor + * MGMLIS3MDL::GAUSS_TO_MICROTESLA_FACTOR; + float mgmZ = static_cast(mgmMeasurementRawZ) * sensitivityFactor + * MGMLIS3MDL::GAUSS_TO_MICROTESLA_FACTOR; + +#if FSFW_HAL_LIS3MDL_MGM_DEBUG == 1 + if(debugDivider->checkAndIncrement()) { +#if FSFW_CPP_OSTREAM_ENABLED == 1 + sif::info << "MGMHandlerLIS3: Magnetic field strength in" + " microtesla:" << std::endl; + sif::info << "X: " << mgmX << " uT" << std::endl; + sif::info << "Y: " << mgmY << " uT" << std::endl; + sif::info << "Z: " << mgmZ << " uT" << std::endl; +#else + sif::printInfo("MGMHandlerLIS3: Magnetic field strength in microtesla:\n"); + sif::printInfo("X: %f uT\n", mgmX); + sif::printInfo("Y: %f uT\n", mgmY); + sif::printInfo("Z: %f uT\n", mgmZ); +#endif /* FSFW_CPP_OSTREAM_ENABLED == 0 */ + } +#endif /* OBSW_VERBOSE_LEVEL >= 1 */ + PoolReadGuard readHelper(&dataset); + if(readHelper.getReadResult() == HasReturnvaluesIF::RETURN_OK) { + if(std::abs(mgmX) < absLimitX) { + dataset.fieldStrengthX = mgmX; + dataset.fieldStrengthX.setValid(true); + } + else { + dataset.fieldStrengthX.setValid(false); + } + + if(std::abs(mgmY) < absLimitY) { + dataset.fieldStrengthY = mgmY; + dataset.fieldStrengthY.setValid(true); + } + else { + dataset.fieldStrengthY.setValid(false); + } + + if(std::abs(mgmZ) < absLimitZ) { + dataset.fieldStrengthZ = mgmZ; + dataset.fieldStrengthZ.setValid(true); + } + else { + dataset.fieldStrengthZ.setValid(false); + } + } + break; + } + + case MGMLIS3MDL::READ_TEMPERATURE: { + int16_t tempValueRaw = packet[2] << 8 | packet[1]; + float tempValue = 25.0 + ((static_cast(tempValueRaw)) / 8.0); + #if FSFW_HAL_LIS3MDL_MGM_DEBUG == 1 + if(debugDivider->check()) { +#if FSFW_CPP_OSTREAM_ENABLED == 1 + sif::info << "MGMHandlerLIS3: Temperature: " << tempValue << " C" << + std::endl; +#else + sif::printInfo("MGMHandlerLIS3: Temperature: %f C\n"); +#endif + } +#endif + ReturnValue_t result = dataset.read(); + if(result == HasReturnvaluesIF::RETURN_OK) { + dataset.temperature = tempValue; + dataset.commit(); + } + break; + } + + default: { + return DeviceHandlerIF::UNKNOWN_DEVICE_REPLY; + } + + } + return RETURN_OK; +} + +MGMLIS3MDL::Sensitivies MgmLIS3MDLHandler::getSensitivity(uint8_t ctrlRegister2) { + bool fs0Set = ctrlRegister2 & (1 << MGMLIS3MDL::FSO); // Checks if FS0 bit is set + bool fs1Set = ctrlRegister2 & (1 << MGMLIS3MDL::FS1); // Checks if FS1 bit is set + + if (fs0Set && fs1Set) + return MGMLIS3MDL::Sensitivies::GAUSS_16; + else if (!fs0Set && fs1Set) + return MGMLIS3MDL::Sensitivies::GAUSS_12; + else if (fs0Set && !fs1Set) + return MGMLIS3MDL::Sensitivies::GAUSS_8; + else + return MGMLIS3MDL::Sensitivies::GAUSS_4; +} + +float MgmLIS3MDLHandler::getSensitivityFactor(MGMLIS3MDL::Sensitivies sens) { + switch(sens) { + case(MGMLIS3MDL::GAUSS_4): { + return MGMLIS3MDL::FIELD_LSB_PER_GAUSS_4_SENS; + } + case(MGMLIS3MDL::GAUSS_8): { + return MGMLIS3MDL::FIELD_LSB_PER_GAUSS_8_SENS; + } + case(MGMLIS3MDL::GAUSS_12): { + return MGMLIS3MDL::FIELD_LSB_PER_GAUSS_12_SENS; + } + case(MGMLIS3MDL::GAUSS_16): { + return MGMLIS3MDL::FIELD_LSB_PER_GAUSS_16_SENS; + } + default: { + // Should never happen + return MGMLIS3MDL::FIELD_LSB_PER_GAUSS_4_SENS; + } + } +} + + +ReturnValue_t MgmLIS3MDLHandler::enableTemperatureSensor( + const uint8_t *commandData, size_t commandDataLen) { + triggerEvent(CHANGE_OF_SETUP_PARAMETER); + uint32_t size = 2; + commandBuffer[0] = writeCommand(MGMLIS3MDL::CTRL_REG1); + if (commandDataLen > 1) { + return INVALID_NUMBER_OR_LENGTH_OF_PARAMETERS; + } + switch (*commandData) { + case (MGMLIS3MDL::ON): { + commandBuffer[1] = registers[0] | (1 << 7); + break; + } + case (MGMLIS3MDL::OFF): { + commandBuffer[1] = registers[0] & ~(1 << 7); + break; + } + default: + return INVALID_COMMAND_PARAMETER; + } + registers[0] = commandBuffer[1]; + + rawPacket = commandBuffer; + rawPacketLen = size; + + return RETURN_OK; +} + +ReturnValue_t MgmLIS3MDLHandler::setOperatingMode(const uint8_t *commandData, + size_t commandDataLen) { + triggerEvent(CHANGE_OF_SETUP_PARAMETER); + if (commandDataLen != 1) { + return INVALID_NUMBER_OR_LENGTH_OF_PARAMETERS; + } + + switch (commandData[0]) { + case MGMLIS3MDL::LOW: + registers[0] = (registers[0] & (~(1 << MGMLIS3MDL::OM1))) & (~(1 << MGMLIS3MDL::OM0)); + registers[3] = (registers[3] & (~(1 << MGMLIS3MDL::OMZ1))) & (~(1 << MGMLIS3MDL::OMZ0)); + break; + case MGMLIS3MDL::MEDIUM: + registers[0] = (registers[0] & (~(1 << MGMLIS3MDL::OM1))) | (1 << MGMLIS3MDL::OM0); + registers[3] = (registers[3] & (~(1 << MGMLIS3MDL::OMZ1))) | (1 << MGMLIS3MDL::OMZ0); + break; + + case MGMLIS3MDL::HIGH: + registers[0] = (registers[0] | (1 << MGMLIS3MDL::OM1)) & (~(1 << MGMLIS3MDL::OM0)); + registers[3] = (registers[3] | (1 << MGMLIS3MDL::OMZ1)) & (~(1 << MGMLIS3MDL::OMZ0)); + break; + + case MGMLIS3MDL::ULTRA: + registers[0] = (registers[0] | (1 << MGMLIS3MDL::OM1)) | (1 << MGMLIS3MDL::OM0); + registers[3] = (registers[3] | (1 << MGMLIS3MDL::OMZ1)) | (1 << MGMLIS3MDL::OMZ0); + break; + default: + break; + } + + return prepareCtrlRegisterWrite(); +} + +void MgmLIS3MDLHandler::fillCommandAndReplyMap() { + insertInCommandAndReplyMap(MGMLIS3MDL::READ_CONFIG_AND_DATA, 1, &dataset); + insertInCommandAndReplyMap(MGMLIS3MDL::READ_TEMPERATURE, 1); + insertInCommandAndReplyMap(MGMLIS3MDL::SETUP_MGM, 1); + insertInCommandAndReplyMap(MGMLIS3MDL::IDENTIFY_DEVICE, 1); + insertInCommandAndReplyMap(MGMLIS3MDL::TEMP_SENSOR_ENABLE, 1); + insertInCommandAndReplyMap(MGMLIS3MDL::ACCURACY_OP_MODE_SET, 1); +} + +void MgmLIS3MDLHandler::setToGoToNormalMode(bool enable) { + this->goToNormalMode = enable; +} + +ReturnValue_t MgmLIS3MDLHandler::prepareCtrlRegisterWrite() { + commandBuffer[0] = writeCommand(MGMLIS3MDL::CTRL_REG1, true); + + for (size_t i = 0; i < MGMLIS3MDL::NR_OF_CTRL_REGISTERS; i++) { + commandBuffer[i + 1] = registers[i]; + } + rawPacket = commandBuffer; + rawPacketLen = MGMLIS3MDL::NR_OF_CTRL_REGISTERS + 1; + + // We dont have to check if this is working because we just did i + return RETURN_OK; +} + +void MgmLIS3MDLHandler::doTransition(Mode_t modeFrom, Submode_t subModeFrom) { + +} + +uint32_t MgmLIS3MDLHandler::getTransitionDelayMs(Mode_t from, Mode_t to) { + return transitionDelay; +} + +void MgmLIS3MDLHandler::modeChanged(void) { + internalState = InternalState::STATE_NONE; +} + +ReturnValue_t MgmLIS3MDLHandler::initializeLocalDataPool( + localpool::DataPool &localDataPoolMap, LocalDataPoolManager &poolManager) { + localDataPoolMap.emplace(MGMLIS3MDL::FIELD_STRENGTH_X, + new PoolEntry({0.0})); + localDataPoolMap.emplace(MGMLIS3MDL::FIELD_STRENGTH_Y, + new PoolEntry({0.0})); + localDataPoolMap.emplace(MGMLIS3MDL::FIELD_STRENGTH_Z, + new PoolEntry({0.0})); + localDataPoolMap.emplace(MGMLIS3MDL::TEMPERATURE_CELCIUS, + new PoolEntry({0.0})); + return HasReturnvaluesIF::RETURN_OK; +} + +void MgmLIS3MDLHandler::setAbsoluteLimits(float xLimit, float yLimit, float zLimit) { + this->absLimitX = xLimit; + this->absLimitY = yLimit; + this->absLimitZ = zLimit; +} diff --git a/hal/src/fsfw_hal/devicehandlers/MgmLIS3MDLHandler.h b/hal/src/fsfw_hal/devicehandlers/MgmLIS3MDLHandler.h new file mode 100644 index 00000000..6bf89a49 --- /dev/null +++ b/hal/src/fsfw_hal/devicehandlers/MgmLIS3MDLHandler.h @@ -0,0 +1,186 @@ +#ifndef MISSION_DEVICES_MGMLIS3MDLHANDLER_H_ +#define MISSION_DEVICES_MGMLIS3MDLHANDLER_H_ + +#include "fsfw/FSFW.h" +#include "events/subsystemIdRanges.h" +#include "devicedefinitions/MgmLIS3HandlerDefs.h" + +#include "fsfw/devicehandlers/DeviceHandlerBase.h" + +class PeriodicOperationDivider; + +/** + * @brief Device handler object for the LIS3MDL 3-axis magnetometer + * by STMicroeletronics + * @details + * Datasheet can be found online by googling LIS3MDL. + * Flight manual: + * https://egit.irs.uni-stuttgart.de/redmine/projects/eive-flight-manual/wiki/LIS3MDL_MGM + * @author L. Loidold, R. Mueller + */ +class MgmLIS3MDLHandler: public DeviceHandlerBase { +public: + enum class CommunicationStep { + DATA, + TEMPERATURE + }; + + static const uint8_t INTERFACE_ID = CLASS_ID::MGM_LIS3MDL; + static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::MGM_LIS3MDL; + //Notifies a command to change the setup parameters + static const Event CHANGE_OF_SETUP_PARAMETER = MAKE_EVENT(0, severity::LOW); + + MgmLIS3MDLHandler(uint32_t objectId, object_id_t deviceCommunication, CookieIF* comCookie, + uint32_t transitionDelay); + virtual ~MgmLIS3MDLHandler(); + + /** + * Set the absolute limit for the values on the axis in microtesla. The dataset values will + * be marked as invalid if that limit is exceeded + * @param xLimit + * @param yLimit + * @param zLimit + */ + void setAbsoluteLimits(float xLimit, float yLimit, float zLimit); + void setToGoToNormalMode(bool enable); + +protected: + + /** DeviceHandlerBase overrides */ + void doShutDown() override; + void doStartUp() override; + void doTransition(Mode_t modeFrom, Submode_t subModeFrom) override; + virtual uint32_t getTransitionDelayMs(Mode_t from, Mode_t to) override; + ReturnValue_t buildCommandFromCommand( + DeviceCommandId_t deviceCommand, const uint8_t *commandData, + size_t commandDataLen) override; + ReturnValue_t buildTransitionDeviceCommand( + DeviceCommandId_t *id) override; + ReturnValue_t buildNormalDeviceCommand( + DeviceCommandId_t *id) override; + ReturnValue_t scanForReply(const uint8_t *start, size_t len, + DeviceCommandId_t *foundId, size_t *foundLen) override; + /** + * This implementation is tailored towards space applications and will flag values larger + * than 100 microtesla on X,Y and 150 microtesla on Z as invalid + * @param id + * @param packet + * @return + */ + virtual ReturnValue_t interpretDeviceReply(DeviceCommandId_t id, + const uint8_t *packet) override; + void fillCommandAndReplyMap() override; + void modeChanged(void) override; + ReturnValue_t initializeLocalDataPool(localpool::DataPool &localDataPoolMap, + LocalDataPoolManager &poolManager) override; + +private: + MGMLIS3MDL::MgmPrimaryDataset dataset; + //Length a single command SPI answer + static const uint8_t SINGLE_COMMAND_ANSWER_LEN = 2; + + uint32_t transitionDelay; + // Single SPI command has 2 bytes, first for adress, second for content + size_t singleComandSize = 2; + // Has the size for all adresses of the lis3mdl + the continous write bit + uint8_t commandBuffer[MGMLIS3MDL::NR_OF_DATA_AND_CFG_REGISTERS + 1]; + + float absLimitX = 100; + float absLimitY = 100; + float absLimitZ = 150; + + /** + * We want to save the registers we set, so we dont have to read the + * registers when we want to change something. + * --> everytime we change set a register we have to save it + */ + uint8_t registers[MGMLIS3MDL::NR_OF_CTRL_REGISTERS]; + + uint8_t statusRegister = 0; + bool goToNormalMode = false; + + enum class InternalState { + STATE_NONE, + STATE_FIRST_CONTACT, + STATE_SETUP, + STATE_CHECK_REGISTERS, + STATE_NORMAL + }; + + InternalState internalState = InternalState::STATE_NONE; + CommunicationStep communicationStep = CommunicationStep::DATA; + bool commandExecuted = false; + + /*------------------------------------------------------------------------*/ + /* Device specific commands and variables */ + /*------------------------------------------------------------------------*/ + /** + * Sets the read bit for the command + * @param single command to set the read-bit at + * @param boolean to select a continuous read bit, default = false + */ + uint8_t readCommand(uint8_t command, bool continuousCom = false); + + /** + * Sets the write bit for the command + * @param single command to set the write-bit at + * @param boolean to select a continuous write bit, default = false + */ + uint8_t writeCommand(uint8_t command, bool continuousCom = false); + + /** + * This Method gets the full scale for the measurement range + * e.g.: +- 4 gauss. See p.25 datasheet. + * @return The ReturnValue does not contain the sign of the value + */ + MGMLIS3MDL::Sensitivies getSensitivity(uint8_t ctrlReg2); + + /** + * The 16 bit value needs to be multiplied with a sensitivity factor + * which depends on the sensitivity configuration + * + * @param sens Configured sensitivity of the LIS3 device + * @return Multiplication factor to get the sensor value from raw data. + */ + float getSensitivityFactor(MGMLIS3MDL::Sensitivies sens); + + /** + * This Command detects the device ID + */ + ReturnValue_t identifyDevice(); + + virtual void setupMgm(); + + /*------------------------------------------------------------------------*/ + /* Non normal commands */ + /*------------------------------------------------------------------------*/ + /** + * Enables/Disables the integrated Temperaturesensor + * @param commandData On or Off + * @param length of the commandData: has to be 1 + */ + virtual ReturnValue_t enableTemperatureSensor(const uint8_t *commandData, + size_t commandDataLen); + + /** + * Sets the accuracy of the measurement of the axis. The noise is changing. + * @param commandData LOW, MEDIUM, HIGH, ULTRA + * @param length of the command, has to be 1 + */ + virtual ReturnValue_t setOperatingMode(const uint8_t *commandData, + size_t commandDataLen); + + /** + * We always update all registers together, so this method updates + * the rawpacket and rawpacketLen, so we just manipulate the local + * saved register + * + */ + ReturnValue_t prepareCtrlRegisterWrite(); + +#if FSFW_HAL_LIS3MDL_MGM_DEBUG == 1 + PeriodicOperationDivider* debugDivider; +#endif +}; + +#endif /* MISSION_DEVICES_MGMLIS3MDLHANDLER_H_ */ diff --git a/hal/src/fsfw_hal/devicehandlers/MgmRM3100Handler.cpp b/hal/src/fsfw_hal/devicehandlers/MgmRM3100Handler.cpp new file mode 100644 index 00000000..20cf95d2 --- /dev/null +++ b/hal/src/fsfw_hal/devicehandlers/MgmRM3100Handler.cpp @@ -0,0 +1,363 @@ +#include "MgmRM3100Handler.h" + +#include "fsfw/datapool/PoolReadGuard.h" +#include "fsfw/globalfunctions/bitutility.h" +#include "fsfw/devicehandlers/DeviceHandlerMessage.h" +#include "fsfw/objectmanager/SystemObjectIF.h" +#include "fsfw/returnvalues/HasReturnvaluesIF.h" + + +MgmRM3100Handler::MgmRM3100Handler(object_id_t objectId, + object_id_t deviceCommunication, CookieIF* comCookie, uint32_t transitionDelay): + DeviceHandlerBase(objectId, deviceCommunication, comCookie), + primaryDataset(this), transitionDelay(transitionDelay) { +#if FSFW_HAL_RM3100_MGM_DEBUG == 1 + debugDivider = new PeriodicOperationDivider(3); +#endif +} + +MgmRM3100Handler::~MgmRM3100Handler() {} + +void MgmRM3100Handler::doStartUp() { + switch(internalState) { + case(InternalState::NONE): { + internalState = InternalState::CONFIGURE_CMM; + break; + } + case(InternalState::CONFIGURE_CMM): { + internalState = InternalState::READ_CMM; + break; + } + case(InternalState::READ_CMM): { + if(commandExecuted) { + internalState = InternalState::STATE_CONFIGURE_TMRC; + } + break; + } + case(InternalState::STATE_CONFIGURE_TMRC): { + if(commandExecuted) { + internalState = InternalState::STATE_READ_TMRC; + } + break; + } + case(InternalState::STATE_READ_TMRC): { + if(commandExecuted) { + internalState = InternalState::NORMAL; + if(goToNormalModeAtStartup) { + setMode(MODE_NORMAL); + } + else { + setMode(_MODE_TO_ON); + } + } + break; + } + default: { + break; + } + } +} + +void MgmRM3100Handler::doShutDown() { + setMode(_MODE_POWER_DOWN); +} + +ReturnValue_t MgmRM3100Handler::buildTransitionDeviceCommand( + DeviceCommandId_t *id) { + size_t commandLen = 0; + switch(internalState) { + case(InternalState::NONE): + case(InternalState::NORMAL): { + return NOTHING_TO_SEND; + } + case(InternalState::CONFIGURE_CMM): { + *id = RM3100::CONFIGURE_CMM; + break; + } + case(InternalState::READ_CMM): { + *id = RM3100::READ_CMM; + break; + } + case(InternalState::STATE_CONFIGURE_TMRC): { + commandBuffer[0] = RM3100::TMRC_DEFAULT_VALUE; + commandLen = 1; + *id = RM3100::CONFIGURE_TMRC; + break; + } + case(InternalState::STATE_READ_TMRC): { + *id = RM3100::READ_TMRC; + break; + } + default: + // Might be a configuration error + sif::warning << "MgmRM3100Handler::buildTransitionDeviceCommand: Unknown internal state!" << + std::endl; + return HasReturnvaluesIF::RETURN_OK; + } + + return buildCommandFromCommand(*id, commandBuffer, commandLen); +} + +ReturnValue_t MgmRM3100Handler::buildCommandFromCommand(DeviceCommandId_t deviceCommand, + const uint8_t *commandData, size_t commandDataLen) { + switch(deviceCommand) { + case(RM3100::CONFIGURE_CMM): { + commandBuffer[0] = RM3100::CMM_REGISTER; + commandBuffer[1] = RM3100::CMM_VALUE; + rawPacket = commandBuffer; + rawPacketLen = 2; + break; + } + case(RM3100::READ_CMM): { + commandBuffer[0] = RM3100::CMM_REGISTER | RM3100::READ_MASK; + commandBuffer[1] = 0; + rawPacket = commandBuffer; + rawPacketLen = 2; + break; + } + case(RM3100::CONFIGURE_TMRC): { + return handleTmrcConfigCommand(deviceCommand, commandData, commandDataLen); + } + case(RM3100::READ_TMRC): { + commandBuffer[0] = RM3100::TMRC_REGISTER | RM3100::READ_MASK; + commandBuffer[1] = 0; + rawPacket = commandBuffer; + rawPacketLen = 2; + break; + } + case(RM3100::CONFIGURE_CYCLE_COUNT): { + return handleCycleCountConfigCommand(deviceCommand, commandData, commandDataLen); + } + case(RM3100::READ_CYCLE_COUNT): { + commandBuffer[0] = RM3100::CYCLE_COUNT_START_REGISTER | RM3100::READ_MASK; + std::memset(commandBuffer + 1, 0, 6); + rawPacket = commandBuffer; + rawPacketLen = 7; + break; + } + case(RM3100::READ_DATA): { + commandBuffer[0] = RM3100::MEASUREMENT_REG_START | RM3100::READ_MASK; + std::memset(commandBuffer + 1, 0, 9); + rawPacketLen = 10; + break; + } + default: + return DeviceHandlerIF::COMMAND_NOT_IMPLEMENTED; + } + return RETURN_OK; +} + +ReturnValue_t MgmRM3100Handler::buildNormalDeviceCommand( + DeviceCommandId_t *id) { + *id = RM3100::READ_DATA; + return buildCommandFromCommand(*id, nullptr, 0); +} + +ReturnValue_t MgmRM3100Handler::scanForReply(const uint8_t *start, + size_t len, DeviceCommandId_t *foundId, + size_t *foundLen) { + + // For SPI, ID will always be the one of the last sent command + *foundId = this->getPendingCommand(); + *foundLen = len; + return HasReturnvaluesIF::RETURN_OK; +} + +ReturnValue_t MgmRM3100Handler::interpretDeviceReply(DeviceCommandId_t id, const uint8_t *packet) { + ReturnValue_t result = HasReturnvaluesIF::RETURN_OK; + switch(id) { + case(RM3100::CONFIGURE_CMM): + case(RM3100::CONFIGURE_CYCLE_COUNT): + case(RM3100::CONFIGURE_TMRC): { + // We can only check whether write was successful with read operation + if(mode == _MODE_START_UP) { + commandExecuted = true; + } + break; + } + case(RM3100::READ_CMM): { + uint8_t cmmValue = packet[1]; + // We clear the seventh bit in any case + // because this one is zero sometimes for some reason + bitutil::bitClear(&cmmValue, 6); + if(cmmValue == cmmRegValue and internalState == InternalState::READ_CMM) { + commandExecuted = true; + } + else { + // Attempt reconfiguration + internalState = InternalState::CONFIGURE_CMM; + return DeviceHandlerIF::DEVICE_REPLY_INVALID; + } + break; + } + case(RM3100::READ_TMRC): { + if(packet[1] == tmrcRegValue) { + commandExecuted = true; + // Reading TMRC was commanded. Trigger event to inform ground + if(mode != _MODE_START_UP) { + triggerEvent(tmrcSet, tmrcRegValue, 0); + } + } + else { + // Attempt reconfiguration + internalState = InternalState::STATE_CONFIGURE_TMRC; + return DeviceHandlerIF::DEVICE_REPLY_INVALID; + } + break; + } + case(RM3100::READ_CYCLE_COUNT): { + uint16_t cycleCountX = packet[1] << 8 | packet[2]; + uint16_t cycleCountY = packet[3] << 8 | packet[4]; + uint16_t cycleCountZ = packet[5] << 8 | packet[6]; + if(cycleCountX != cycleCountRegValueX or cycleCountY != cycleCountRegValueY or + cycleCountZ != cycleCountRegValueZ) { + return DeviceHandlerIF::DEVICE_REPLY_INVALID; + } + // Reading TMRC was commanded. Trigger event to inform ground + if(mode != _MODE_START_UP) { + uint32_t eventParam1 = (cycleCountX << 16) | cycleCountY; + triggerEvent(cycleCountersSet, eventParam1, cycleCountZ); + } + break; + } + case(RM3100::READ_DATA): { + result = handleDataReadout(packet); + break; + } + default: + return DeviceHandlerIF::UNKNOWN_DEVICE_REPLY; + } + + return result; +} + +ReturnValue_t MgmRM3100Handler::handleCycleCountConfigCommand(DeviceCommandId_t deviceCommand, + const uint8_t *commandData, size_t commandDataLen) { + if(commandData == nullptr) { + return DeviceHandlerIF::INVALID_COMMAND_PARAMETER; + } + + // Set cycle count + if(commandDataLen == 2) { + handleCycleCommand(true, commandData, commandDataLen); + } + else if(commandDataLen == 6) { + handleCycleCommand(false, commandData, commandDataLen); + } + else { + return DeviceHandlerIF::INVALID_COMMAND_PARAMETER; + } + + commandBuffer[0] = RM3100::CYCLE_COUNT_VALUE; + std::memcpy(commandBuffer + 1, &cycleCountRegValueX, 2); + std::memcpy(commandBuffer + 3, &cycleCountRegValueY, 2); + std::memcpy(commandBuffer + 5, &cycleCountRegValueZ, 2); + rawPacketLen = 7; + rawPacket = commandBuffer; + return HasReturnvaluesIF::RETURN_OK; +} + +ReturnValue_t MgmRM3100Handler::handleCycleCommand(bool oneCycleValue, + const uint8_t *commandData, size_t commandDataLen) { + RM3100::CycleCountCommand command(oneCycleValue); + ReturnValue_t result = command.deSerialize(&commandData, &commandDataLen, + SerializeIF::Endianness::BIG); + if(result != HasReturnvaluesIF::RETURN_OK) { + return result; + } + + // Data sheet p.30 "while noise limits the useful upper range to ~400 cycle counts." + if(command.cycleCountX > 450 ) { + return DeviceHandlerIF::INVALID_COMMAND_PARAMETER; + } + + if(not oneCycleValue and (command.cycleCountY > 450 or command.cycleCountZ > 450)) { + return DeviceHandlerIF::INVALID_COMMAND_PARAMETER; + } + + cycleCountRegValueX = command.cycleCountX; + cycleCountRegValueY = command.cycleCountY; + cycleCountRegValueZ = command.cycleCountZ; + return HasReturnvaluesIF::RETURN_OK; +} + +ReturnValue_t MgmRM3100Handler::handleTmrcConfigCommand(DeviceCommandId_t deviceCommand, + const uint8_t *commandData, size_t commandDataLen) { + if(commandData == nullptr or commandDataLen != 1) { + return DeviceHandlerIF::INVALID_COMMAND_PARAMETER; + } + + commandBuffer[0] = RM3100::TMRC_REGISTER; + commandBuffer[1] = commandData[0]; + tmrcRegValue = commandData[0]; + rawPacketLen = 2; + rawPacket = commandBuffer; + return HasReturnvaluesIF::RETURN_OK; +} + +void MgmRM3100Handler::fillCommandAndReplyMap() { + insertInCommandAndReplyMap(RM3100::CONFIGURE_CMM, 3); + insertInCommandAndReplyMap(RM3100::READ_CMM, 3); + + insertInCommandAndReplyMap(RM3100::CONFIGURE_TMRC, 3); + insertInCommandAndReplyMap(RM3100::READ_TMRC, 3); + + insertInCommandAndReplyMap(RM3100::CONFIGURE_CYCLE_COUNT, 3); + insertInCommandAndReplyMap(RM3100::READ_CYCLE_COUNT, 3); + + insertInCommandAndReplyMap(RM3100::READ_DATA, 3, &primaryDataset); +} + +void MgmRM3100Handler::modeChanged(void) { + internalState = InternalState::NONE; +} + +ReturnValue_t MgmRM3100Handler::initializeLocalDataPool( + localpool::DataPool &localDataPoolMap, LocalDataPoolManager &poolManager) { + localDataPoolMap.emplace(RM3100::FIELD_STRENGTH_X, new PoolEntry({0.0})); + localDataPoolMap.emplace(RM3100::FIELD_STRENGTH_Y, new PoolEntry({0.0})); + localDataPoolMap.emplace(RM3100::FIELD_STRENGTH_Z, new PoolEntry({0.0})); + return HasReturnvaluesIF::RETURN_OK; +} + +uint32_t MgmRM3100Handler::getTransitionDelayMs(Mode_t from, Mode_t to) { + return this->transitionDelay; +} + +void MgmRM3100Handler::setToGoToNormalMode(bool enable) { + goToNormalModeAtStartup = enable; +} + +ReturnValue_t MgmRM3100Handler::handleDataReadout(const uint8_t *packet) { + // Analyze data here. The sensor generates 24 bit signed values so we need to do some bitshift + // 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; + + // Now scale to physical value in microtesla + float fieldStrengthX = fieldStrengthRawX * scaleFactorX; + float fieldStrengthY = fieldStrengthRawY * scaleFactorX; + float fieldStrengthZ = fieldStrengthRawZ * scaleFactorX; + +#if FSFW_HAL_RM3100_MGM_DEBUG == 1 + if(debugDivider->checkAndIncrement()) { + sif::info << "MgmRM3100Handler: Magnetic field strength in" + " microtesla:" << std::endl; + /* Set terminal to utf-8 if there is an issue with micro printout. */ + sif::info << "X: " << fieldStrengthX << " uT" << std::endl; + sif::info << "Y: " << fieldStrengthY << " uT" << std::endl; + sif::info << "Z: " << fieldStrengthZ << " uT" << std::endl; + } +#endif + + // TODO: Sanity check on values? + PoolReadGuard readGuard(&primaryDataset); + if(readGuard.getReadResult() == HasReturnvaluesIF::RETURN_OK) { + primaryDataset.fieldStrengthX = fieldStrengthX; + primaryDataset.fieldStrengthY = fieldStrengthY; + primaryDataset.fieldStrengthZ = fieldStrengthZ; + primaryDataset.setValidity(true, true); + } + return RETURN_OK; +} diff --git a/hal/src/fsfw_hal/devicehandlers/MgmRM3100Handler.h b/hal/src/fsfw_hal/devicehandlers/MgmRM3100Handler.h new file mode 100644 index 00000000..1ba680cb --- /dev/null +++ b/hal/src/fsfw_hal/devicehandlers/MgmRM3100Handler.h @@ -0,0 +1,111 @@ +#ifndef MISSION_DEVICES_MGMRM3100HANDLER_H_ +#define MISSION_DEVICES_MGMRM3100HANDLER_H_ + +#include "fsfw/FSFW.h" +#include "devices/powerSwitcherList.h" +#include "devicedefinitions/MgmRM3100HandlerDefs.h" +#include "fsfw/devicehandlers/DeviceHandlerBase.h" + +#if FSFW_HAL_RM3100_MGM_DEBUG == 1 +#include "fsfw/globalfunctions/PeriodicOperationDivider.h" +#endif + +/** + * @brief Device Handler for the RM3100 geomagnetic magnetometer sensor + * (https://www.pnicorp.com/rm3100/) + * @details + * Flight manual: + * https://egit.irs.uni-stuttgart.de/redmine/projects/eive-flight-manual/wiki/RM3100_MGM + */ +class MgmRM3100Handler: public DeviceHandlerBase { +public: + static const uint8_t INTERFACE_ID = CLASS_ID::MGM_RM3100; + + //! [EXPORT] : [COMMENT] P1: TMRC value which was set, P2: 0 + static constexpr Event tmrcSet = event::makeEvent(SUBSYSTEM_ID::MGM_RM3100, + 0x00, severity::INFO); + + //! [EXPORT] : [COMMENT] Cycle counter set. P1: First two bytes new Cycle Count X + //! P1: Second two bytes new Cycle Count Y + //! P2: New cycle count Z + static constexpr Event cycleCountersSet = event::makeEvent( + SUBSYSTEM_ID::MGM_RM3100, 0x01, severity::INFO); + + MgmRM3100Handler(object_id_t objectId, object_id_t deviceCommunication, + CookieIF* comCookie, uint32_t transitionDelay); + virtual ~MgmRM3100Handler(); + + /** + * Configure device handler to go to normal mode after startup immediately + * @param enable + */ + void setToGoToNormalMode(bool enable); + +protected: + + /* DeviceHandlerBase overrides */ + ReturnValue_t buildTransitionDeviceCommand( + DeviceCommandId_t *id) override; + void doStartUp() override; + void doShutDown() override; + ReturnValue_t buildNormalDeviceCommand(DeviceCommandId_t *id) override; + ReturnValue_t buildCommandFromCommand(DeviceCommandId_t deviceCommand, + const uint8_t *commandData, size_t commandDataLen) override; + ReturnValue_t scanForReply(const uint8_t *start, size_t len, + DeviceCommandId_t *foundId, size_t *foundLen) override; + ReturnValue_t interpretDeviceReply(DeviceCommandId_t id, const uint8_t *packet) override; + + void fillCommandAndReplyMap() override; + void modeChanged(void) override; + virtual uint32_t getTransitionDelayMs(Mode_t from, Mode_t to) override; + ReturnValue_t initializeLocalDataPool(localpool::DataPool &localDataPoolMap, + LocalDataPoolManager &poolManager) override; + +private: + + enum class InternalState { + NONE, + CONFIGURE_CMM, + READ_CMM, + // The cycle count states are propably not going to be used because + // the default cycle count will be used. + STATE_CONFIGURE_CYCLE_COUNT, + STATE_READ_CYCLE_COUNT, + STATE_CONFIGURE_TMRC, + STATE_READ_TMRC, + NORMAL + }; + InternalState internalState = InternalState::NONE; + bool commandExecuted = false; + RM3100::Rm3100PrimaryDataset primaryDataset; + + uint8_t commandBuffer[10]; + uint8_t commandBufferLen = 0; + + uint8_t cmmRegValue = RM3100::CMM_VALUE; + uint8_t tmrcRegValue = RM3100::TMRC_DEFAULT_VALUE; + uint16_t cycleCountRegValueX = RM3100::CYCLE_COUNT_VALUE; + uint16_t cycleCountRegValueY = RM3100::CYCLE_COUNT_VALUE; + uint16_t cycleCountRegValueZ = RM3100::CYCLE_COUNT_VALUE; + float scaleFactorX = 1.0 / RM3100::DEFAULT_GAIN; + float scaleFactorY = 1.0 / RM3100::DEFAULT_GAIN; + float scaleFactorZ = 1.0 / RM3100::DEFAULT_GAIN; + + bool goToNormalModeAtStartup = false; + uint32_t transitionDelay; + + ReturnValue_t handleCycleCountConfigCommand(DeviceCommandId_t deviceCommand, + const uint8_t *commandData,size_t commandDataLen); + ReturnValue_t handleCycleCommand(bool oneCycleValue, + const uint8_t *commandData, size_t commandDataLen); + + ReturnValue_t handleTmrcConfigCommand(DeviceCommandId_t deviceCommand, + const uint8_t *commandData,size_t commandDataLen); + + ReturnValue_t handleDataReadout(const uint8_t* packet); +#if FSFW_HAL_RM3100_MGM_DEBUG == 1 + PeriodicOperationDivider* debugDivider; +#endif +}; + +#endif /* MISSION_DEVICEHANDLING_MGMRM3100HANDLER_H_ */