Merge branch 'master' into mueller/TaskUpdates

container/DynamicFIFO.h

@@ -0,0 +1,42 @@
+#ifndef FSFW_CONTAINER_DYNAMICFIFO_H_
+#define FSFW_CONTAINER_DYNAMICFIFO_H_
+
+#include "FIFOBase.h"
+#include <vector>
+
+/**
+ * @brief 	Simple First-In-First-Out data structure. The maximum size
+ * 			can be set in the constructor.
+ * @details
+ * The maximum capacity can be determined at run-time, so this container
+ * performs dynamic memory allocation!
+ * The public interface of FIFOBase exposes the user interface for the FIFO.
+ * @tparam T Entry Type
+ * @tparam capacity Maximum capacity
+ */
+template<typename T>
+class DynamicFIFO: public FIFOBase<T> {
+public:
+	DynamicFIFO(size_t maxCapacity): FIFOBase<T>(nullptr, maxCapacity),
+			fifoVector(maxCapacity)  {
+		// trying to pass the pointer of the uninitialized vector
+		// to the FIFOBase constructor directly lead to a super evil bug.
+		// So we do it like this now.
+		this->setContainer(fifoVector.data());
+	};
+
+	/**
+	 * @brief	Custom copy constructor which prevents setting the
+	 * 	        underlying pointer wrong.
+	 */
+	DynamicFIFO(const DynamicFIFO& other): FIFOBase<T>(other),
+			fifoVector(other.maxCapacity) {
+		this->setContainer(fifoVector.data());
+	}
+
+
+private:
+	std::vector<T> fifoVector;
+};
+
+#endif /* FSFW_CONTAINER_DYNAMICFIFO_H_ */

container/FIFO.h

@@ -1,82 +1,35 @@
-#ifndef FIFO_H_
-#define FIFO_H_
+#ifndef FSFW_CONTAINER_FIFO_H_
+#define FSFW_CONTAINER_FIFO_H_
 
-#include "../returnvalues/HasReturnvaluesIF.h"
+#include "FIFOBase.h"
+#include <array>
 
 /**
- * @brief Simple First-In-First-Out data structure
+ * @brief 	Simple First-In-First-Out data structure with size fixed at
+ * 			compile time
+ * @details
+ * Performs no dynamic memory allocation.
+ * The public interface of FIFOBase exposes the user interface for the FIFO.
  * @tparam T Entry Type
  * @tparam capacity Maximum capacity
  */
-template<typename T, uint8_t capacity>
-class FIFO {
-private:
-	uint8_t readIndex, writeIndex, currentSize;
-	T data[capacity];
-
-	uint8_t next(uint8_t current) {
-		++current;
-		if (current == capacity) {
-			current = 0;
-		}
-		return current;
-	}
+template<typename T, size_t capacity>
+class FIFO: public FIFOBase<T> {
 public:
-	FIFO() :
-			readIndex(0), writeIndex(0), currentSize(0) {
-	}
-
-	bool empty() {
-		return (currentSize == 0);
-	}
-
-	bool full() {
-		return (currentSize == capacity);
-	}
-
-	uint8_t size(){
-		return currentSize;
-	}
-
-	ReturnValue_t insert(T value) {
-		if (full()) {
-			return FULL;
-		} else {
-			data[writeIndex] = value;
-			writeIndex = next(writeIndex);
-			++currentSize;
-			return HasReturnvaluesIF::RETURN_OK;
-		}
-	}
-
-	ReturnValue_t retrieve(T *value) {
-		if (empty()) {
-			return EMPTY;
-		} else {
-			*value = data[readIndex];
-			readIndex = next(readIndex);
-			--currentSize;
-			return HasReturnvaluesIF::RETURN_OK;
-		}
-	}
-
-	ReturnValue_t peek(T * value) {
-	    if(empty()) {
-	        return EMPTY;
-	    } else {
-	       *value = data[readIndex];
-	       return HasReturnvaluesIF::RETURN_OK;
-	    }
-	}
-
-	ReturnValue_t pop() {
-		T value;
-		return this->retrieve(&value);
-	}
-
-	static const uint8_t INTERFACE_ID = CLASS_ID::FIFO_CLASS;
-	static const ReturnValue_t FULL = MAKE_RETURN_CODE(1);
-	static const ReturnValue_t EMPTY = MAKE_RETURN_CODE(2);
+	FIFO(): FIFOBase<T>(nullptr, capacity) {
+		this->setContainer(fifoArray.data());
 	};
 
-#endif /* FIFO_H_ */
+	/**
+	 * @brief 	Custom copy constructor to set pointer correctly.
+	 * @param other
+	 */
+	FIFO(const FIFO& other): FIFOBase<T>(other) {
+		this->setContainer(fifoArray.data());
+	}
+
+private:
+	std::array<T, capacity> fifoArray;
+};
+
+#endif /* FSFW_CONTAINER_FIFO_H_ */

container/FIFOBase.h

@@ -0,0 +1,65 @@
+#ifndef FSFW_CONTAINER_FIFOBASE_H_
+#define FSFW_CONTAINER_FIFOBASE_H_
+
+#include "../returnvalues/HasReturnvaluesIF.h"
+#include <cstddef>
+#include <cstring>
+
+template <typename T>
+class FIFOBase {
+public:
+	static const uint8_t INTERFACE_ID = CLASS_ID::FIFO_CLASS;
+	static const ReturnValue_t FULL = MAKE_RETURN_CODE(1);
+	static const ReturnValue_t EMPTY = MAKE_RETURN_CODE(2);
+
+	/** Default ctor, takes pointer to first entry of underlying container
+	 *  and maximum capacity */
+	FIFOBase(T* values, const size_t maxCapacity);
+
+	/**
+	 * Insert value into FIFO
+	 * @param value
+	 * @return
+	 */
+	ReturnValue_t insert(T value);
+	/**
+	 * Retrieve item from FIFO. This removes the item from the FIFO.
+	 * @param value
+	 * @return
+	 */
+	ReturnValue_t retrieve(T *value);
+	/**
+	 * Retrieve item from FIFO without removing it from FIFO.
+	 * @param value
+	 * @return
+	 */
+	ReturnValue_t peek(T * value);
+	/**
+	 * Remove item from FIFO.
+	 * @return
+	 */
+	ReturnValue_t pop();
+
+	bool empty();
+	bool full();
+	size_t size();
+
+
+	size_t getMaxCapacity() const;
+
+protected:
+	void setContainer(T* data);
+	size_t maxCapacity = 0;
+
+	T* values;
+
+	size_t readIndex = 0;
+	size_t writeIndex = 0;
+	size_t currentSize = 0;
+
+	size_t next(size_t current);
+};
+
+#include "FIFOBase.tpp"
+
+#endif /* FSFW_CONTAINER_FIFOBASE_H_ */

container/FIFOBase.tpp

@@ -0,0 +1,87 @@
+#ifndef FSFW_CONTAINER_FIFOBASE_TPP_
+#define FSFW_CONTAINER_FIFOBASE_TPP_
+
+#ifndef FSFW_CONTAINER_FIFOBASE_H_
+#error Include FIFOBase.h before FIFOBase.tpp!
+#endif
+
+template<typename T>
+inline FIFOBase<T>::FIFOBase(T* values, const size_t maxCapacity):
+		maxCapacity(maxCapacity), values(values){};
+
+template<typename T>
+inline ReturnValue_t FIFOBase<T>::insert(T value) {
+	if (full()) {
+		return FULL;
+	} else {
+		values[writeIndex] = value;
+		writeIndex = next(writeIndex);
+		++currentSize;
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+};
+
+template<typename T>
+inline ReturnValue_t FIFOBase<T>::retrieve(T* value) {
+	if (empty()) {
+		return EMPTY;
+	} else {
+		*value = values[readIndex];
+		readIndex = next(readIndex);
+		--currentSize;
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+};
+
+template<typename T>
+inline ReturnValue_t FIFOBase<T>::peek(T* value) {
+	if(empty()) {
+		return EMPTY;
+	} else {
+		*value = values[readIndex];
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+};
+
+template<typename T>
+inline ReturnValue_t FIFOBase<T>::pop() {
+	T value;
+	return this->retrieve(&value);
+};
+
+template<typename T>
+inline bool FIFOBase<T>::empty() {
+	return (currentSize == 0);
+};
+
+template<typename T>
+inline bool FIFOBase<T>::full() {
+	return (currentSize == maxCapacity);
+}
+
+template<typename T>
+inline size_t FIFOBase<T>::size() {
+	return currentSize;
+}
+
+template<typename T>
+inline size_t FIFOBase<T>::next(size_t current) {
+	++current;
+	if (current == maxCapacity) {
+		current = 0;
+	}
+	return current;
+}
+
+template<typename T>
+inline size_t FIFOBase<T>::getMaxCapacity() const {
+	return maxCapacity;
+}
+
+
+template<typename T>
+inline void FIFOBase<T>::setContainer(T *data) {
+	this->values = data;
+}
+
+#endif

container/SimpleRingBuffer.cpp

@@ -1,18 +1,23 @@
 #include "SimpleRingBuffer.h"
 #include <string.h>
 
-SimpleRingBuffer::SimpleRingBuffer(uint32_t size, bool overwriteOld) :
-		RingBufferBase<>(0, size, overwriteOld), buffer(NULL) {
+SimpleRingBuffer::SimpleRingBuffer(const size_t size, bool overwriteOld) :
+		RingBufferBase<>(0, size, overwriteOld) {
 	buffer = new uint8_t[size];
 }
 
+SimpleRingBuffer::SimpleRingBuffer(uint8_t *buffer, const size_t size,
+        bool overwriteOld):
+        RingBufferBase<>(0, size, overwriteOld), buffer(buffer) {}
+
+
 SimpleRingBuffer::~SimpleRingBuffer() {
 	delete[] buffer;
 }
 
 ReturnValue_t SimpleRingBuffer::writeData(const uint8_t* data,
 		uint32_t amount) {
-	if (availableWriteSpace() >= amount || overwriteOld) {
+	if (availableWriteSpace() >= amount or overwriteOld) {
 		uint32_t amountTillWrap = writeTillWrap();
 		if (amountTillWrap >= amount) {
 			memcpy(&buffer[write], data, amount);
@@ -38,7 +43,7 @@ ReturnValue_t SimpleRingBuffer::readData(uint8_t* data, uint32_t amount,
 			return HasReturnvaluesIF::RETURN_FAILED;
 		}
 	}
-	if (trueAmount != NULL) {
+	if (trueAmount != nullptr) {
 		*trueAmount = amount;
 	}
 	if (amountTillWrap >= amount) {
@@ -60,9 +65,10 @@ ReturnValue_t SimpleRingBuffer::deleteData(uint32_t amount,
 			return HasReturnvaluesIF::RETURN_FAILED;
 		}
 	}
-	if (trueAmount != NULL) {
+	if (trueAmount != nullptr) {
 		*trueAmount = amount;
 	}
 	incrementRead(amount, READ_PTR);
 	return HasReturnvaluesIF::RETURN_OK;
 }
+

container/SimpleRingBuffer.h

@@ -4,17 +4,64 @@
 #include "RingBufferBase.h"
 #include <stddef.h>
 
+/**
+ * @brief 	Circular buffer implementation, useful for buffering
+ *          into data streams.
+ * @details
+ * Note that the deleteData() has to be called to increment the read pointer.
+ * This class allocated dynamically, so
+ * @ingroup containers
+ */
 class SimpleRingBuffer: public RingBufferBase<> {
 public:
-	SimpleRingBuffer(uint32_t size, bool overwriteOld);
+    /**
+     * This constructor allocates a new internal buffer with the supplied size.
+     * @param size
+     * @param overwriteOld
+     */
+	SimpleRingBuffer(const size_t size, bool overwriteOld);
+	/**
+	 * This constructor takes an external buffer with the specified size.
+	 * @param buffer
+	 * @param size
+	 * @param overwriteOld
+	 */
+	SimpleRingBuffer(uint8_t* buffer, const size_t size, bool overwriteOld);
+
 	virtual ~SimpleRingBuffer();
+
+	/**
+	 * Write to circular buffer and increment write pointer by amount
+	 * @param data
+	 * @param amount
+	 * @return
+	 */
 	ReturnValue_t writeData(const uint8_t* data, uint32_t amount);
-	ReturnValue_t readData(uint8_t* data, uint32_t amount, bool readRemaining = false, uint32_t* trueAmount = NULL);
-	ReturnValue_t deleteData(uint32_t amount, bool deleteRemaining = false, uint32_t* trueAmount = NULL);
+
+	/**
+	 * Read from circular buffer at read pointer
+	 * @param data
+	 * @param amount
+	 * @param readRemaining
+	 * @param trueAmount
+	 * @return
+	 */
+	ReturnValue_t readData(uint8_t* data, uint32_t amount,
+	        bool readRemaining = false, uint32_t* trueAmount = nullptr);
+
+	/**
+	 * Delete data starting by incrementing read pointer
+	 * @param amount
+	 * @param deleteRemaining
+	 * @param trueAmount
+	 * @return
+	 */
+	ReturnValue_t deleteData(uint32_t amount, bool deleteRemaining = false,
+	        uint32_t* trueAmount = nullptr);
 private:
 //	static const uint8_t TEMP_READ_PTR = 1;
 	static const uint8_t READ_PTR = 0;
-	uint8_t* buffer;
+	uint8_t* buffer = nullptr;
 };
 
 #endif /* FRAMEWORK_CONTAINER_SIMPLERINGBUFFER_H_ */

devicehandlers/ChildHandlerBase.cpp

@@ -1,17 +1,19 @@
 #include "../subsystem/SubsystemBase.h"
-#include "ChildHandlerBase.h"
+#include "../devicehandlers/ChildHandlerBase.h"
 #include "../subsystem/SubsystemBase.h"
 
 ChildHandlerBase::ChildHandlerBase(object_id_t setObjectId,
-		object_id_t deviceCommunication, CookieIF * comCookie,
-		uint8_t setDeviceSwitch, uint32_t thermalStatePoolId,
-		uint32_t thermalRequestPoolId, uint32_t parent,
-		FailureIsolationBase* customFdir, size_t cmdQueueSize) :
-		DeviceHandlerBase(setObjectId, deviceCommunication, comCookie,
-				setDeviceSwitch, thermalStatePoolId,thermalRequestPoolId,
+		object_id_t deviceCommunication, CookieIF * cookie,
+		uint32_t thermalStatePoolId, uint32_t thermalRequestPoolId,
+		object_id_t parent, FailureIsolationBase* customFdir,
+		size_t cmdQueueSize) :
+		DeviceHandlerBase(setObjectId, deviceCommunication, cookie,
 			(customFdir == nullptr? &childHandlerFdir : customFdir),
 			cmdQueueSize),
 		parentId(parent), childHandlerFdir(setObjectId) {
+	this->setThermalStateRequestPoolIds(thermalStatePoolId,
+			thermalRequestPoolId);
+
 }
 
 ChildHandlerBase::~ChildHandlerBase() {
@@ -25,7 +27,7 @@ ReturnValue_t ChildHandlerBase::initialize() {
 
 	MessageQueueId_t parentQueue = 0;
 
-	if (parentId != 0) {
+	if (parentId != objects::NO_OBJECT) {
 		SubsystemBase *parent = objectManager->get<SubsystemBase>(parentId);
 		if (parent == NULL) {
 			return RETURN_FAILED;

devicehandlers/ChildHandlerBase.h

@@ -1,15 +1,15 @@
-#ifndef PAYLOADHANDLERBASE_H_
-#define PAYLOADHANDLERBASE_H_
+#ifndef FSFW_DEVICES_CHILDHANDLERBASE_H_
+#define FSFW_DEVICES_CHILDHANDLERBASE_H_
 
 #include "ChildHandlerFDIR.h"
 #include "DeviceHandlerBase.h"
 
 class ChildHandlerBase: public DeviceHandlerBase {
 public:
-	ChildHandlerBase(object_id_t setObjectId,
-			object_id_t deviceCommunication, CookieIF * comCookie,
-			uint8_t setDeviceSwitch, uint32_t thermalStatePoolId,
-			uint32_t thermalRequestPoolId, uint32_t parent,
+	ChildHandlerBase(object_id_t setObjectId, object_id_t deviceCommunication,
+			CookieIF * cookie, uint32_t thermalStatePoolId,
+			uint32_t thermalRequestPoolId,
+			object_id_t parent = objects::NO_OBJECT,
 			FailureIsolationBase* customFdir = nullptr,
 			size_t cmdQueueSize = 20);
 	virtual ~ChildHandlerBase();
@@ -22,4 +22,5 @@ protected:
 
 };
 
-#endif /* PAYLOADHANDLERBASE_H_ */
+#endif /* FSFW_DEVICES_CHILDHANDLERBASE_H_ */
+

devicehandlers/DeviceHandlerBase.cpp

@@ -1,12 +1,12 @@
 #include "DeviceHandlerBase.h"
+#include "AcceptsDeviceResponsesIF.h"
+#include "DeviceTmReportingWrapper.h"
+
 #include "../objectmanager/ObjectManager.h"
 #include "../storagemanager/StorageManagerIF.h"
 #include "../thermal/ThermalComponentIF.h"
-#include "AcceptsDeviceResponsesIF.h"
-
 #include "../datapool/DataSet.h"
 #include "../datapool/PoolVariable.h"
-#include "DeviceTmReportingWrapper.h"
 #include "../globalfunctions/CRC.h"
 #include "../subsystem/SubsystemBase.h"
 #include "../ipc/QueueFactory.h"
@@ -14,45 +14,47 @@
 
 #include <iomanip>
 
-object_id_t DeviceHandlerBase::powerSwitcherId = 0;
-object_id_t DeviceHandlerBase::rawDataReceiverId = 0;
-object_id_t DeviceHandlerBase::defaultFDIRParentId = 0;
+object_id_t DeviceHandlerBase::powerSwitcherId = objects::NO_OBJECT;
+object_id_t DeviceHandlerBase::rawDataReceiverId = objects::NO_OBJECT;
+object_id_t DeviceHandlerBase::defaultFdirParentId = objects::NO_OBJECT;
 
 DeviceHandlerBase::DeviceHandlerBase(object_id_t setObjectId,
 		object_id_t deviceCommunication, CookieIF * comCookie,
-		uint8_t setDeviceSwitch, uint32_t thermalStatePoolId,
-		uint32_t thermalRequestPoolId, FailureIsolationBase* fdirInstance,
-		size_t cmdQueueSize) :
+		FailureIsolationBase* fdirInstance, size_t cmdQueueSize) :
 		SystemObject(setObjectId), mode(MODE_OFF), submode(SUBMODE_NONE),
 		wiretappingMode(OFF), storedRawData(StorageManagerIF::INVALID_ADDRESS),
 		deviceCommunicationId(deviceCommunication), comCookie(comCookie),
-		deviceThermalStatePoolId(thermalStatePoolId),
-		deviceThermalRequestPoolId(thermalRequestPoolId),
 		healthHelper(this,setObjectId), modeHelper(this), parameterHelper(this),
-		childTransitionFailure(RETURN_OK), fdirInstance(fdirInstance),
-		hkSwitcher(this), defaultFDIRUsed(fdirInstance == nullptr),
-		switchOffWasReported(false), actionHelper(this, nullptr),
-		childTransitionDelay(5000),
-		transitionSourceMode(_MODE_POWER_DOWN), transitionSourceSubMode(
-		SUBMODE_NONE), deviceSwitch(setDeviceSwitch) {
+		actionHelper(this, nullptr), childTransitionFailure(RETURN_OK),
+		fdirInstance(fdirInstance), hkSwitcher(this),
+		defaultFDIRUsed(fdirInstance == nullptr), switchOffWasReported(false),
+		childTransitionDelay(5000), transitionSourceMode(_MODE_POWER_DOWN),
+		transitionSourceSubMode(SUBMODE_NONE) {
 	commandQueue = QueueFactory::instance()->createMessageQueue(cmdQueueSize,
-			CommandMessage::MAX_MESSAGE_SIZE);
+			MessageQueueMessage::MAX_MESSAGE_SIZE);
 	insertInCommandMap(RAW_COMMAND_ID);
 	cookieInfo.state = COOKIE_UNUSED;
 	cookieInfo.pendingCommand = deviceCommandMap.end();
 	if (comCookie == nullptr) {
-		sif::error << "DeviceHandlerBase: ObjectID 0x" << std::hex <<
-				std::setw(8) << std::setfill('0') << this->getObjectId() <<
-				std::dec << ": Do not pass nullptr as a cookie, consider "
-				<< std::setfill(' ') << "passing a dummy cookie instead!" <<
-				std::endl;
+		sif::error << "DeviceHandlerBase: ObjectID 0x" << std::hex
+				<< std::setw(8) << std::setfill('0') << this->getObjectId()
+				<< std::dec << ": Do not pass nullptr as a cookie, consider "
+				<< std::setfill(' ') << "passing a dummy cookie instead!"
+				<< std::endl;
 	}
 	if (this->fdirInstance == nullptr) {
 		this->fdirInstance = new DeviceHandlerFailureIsolation(setObjectId,
-				defaultFDIRParentId);
+				defaultFdirParentId);
 	}
 }
 
+void DeviceHandlerBase::setThermalStateRequestPoolIds(
+		uint32_t thermalStatePoolId, uint32_t thermalRequestPoolId) {
+	this->deviceThermalRequestPoolId = thermalStatePoolId;
+	this->deviceThermalRequestPoolId = thermalRequestPoolId;
+}
+
+
 DeviceHandlerBase::~DeviceHandlerBase() {
 	delete comCookie;
 	if (defaultFDIRUsed) {
@@ -108,8 +110,12 @@ ReturnValue_t DeviceHandlerBase::initialize() {
 
 	communicationInterface = objectManager->get<DeviceCommunicationIF>(
 			deviceCommunicationId);
-	if (communicationInterface == NULL) {
-		return RETURN_FAILED;
+	if (communicationInterface == nullptr) {
+		sif::error << "DeviceHandlerBase::initialize: Communication interface "
+				"invalid." << std::endl;
+		sif::error << "Make sure it is set up properly and implements"
+				" DeviceCommunicationIF" << std::endl;
+		return ObjectManagerIF::CHILD_INIT_FAILED;
 	}
 
 	result = communicationInterface->initializeInterface(comCookie);
@@ -118,22 +124,35 @@ ReturnValue_t DeviceHandlerBase::initialize() {
 	}
 
 	IPCStore = objectManager->get<StorageManagerIF>(objects::IPC_STORE);
-	if (IPCStore == NULL) {
-		return RETURN_FAILED;
+	if (IPCStore == nullptr) {
+		sif::error << "DeviceHandlerBase::initialize: IPC store not set up in "
+				"factory." << std::endl;
+		return ObjectManagerIF::CHILD_INIT_FAILED;
 	}
 
+	if(rawDataReceiverId != objects::NO_OBJECT) {
 		AcceptsDeviceResponsesIF *rawReceiver = objectManager->get<
 				AcceptsDeviceResponsesIF>(rawDataReceiverId);
 
-	if (rawReceiver == NULL) {
-		return RETURN_FAILED;
+		if (rawReceiver == nullptr) {
+			sif::error << "DeviceHandlerBase::initialize: Raw receiver object "
+					"ID set but no valid object found." << std::endl;
+			sif::error << "Make sure the raw receiver object is set up properly"
+					" and implements AcceptsDeviceResponsesIF" << std::endl;
+			return ObjectManagerIF::CHILD_INIT_FAILED;
+		}
+		defaultRawReceiver = rawReceiver->getDeviceQueue();
 	}
 
-	defaultRawReceiver = rawReceiver->getDeviceQueue();
-
+	if(powerSwitcherId != objects::NO_OBJECT) {
 		powerSwitcher = objectManager->get<PowerSwitchIF>(powerSwitcherId);
-	if (powerSwitcher == NULL) {
-		return RETURN_FAILED;
+		if (powerSwitcher == nullptr) {
+			sif::error << "DeviceHandlerBase::initialize: Power switcher "
+					<< "object ID set but no valid object found." << std::endl;
+			sif::error << "Make sure the raw receiver object is set up properly"
+					<< " and implements PowerSwitchIF" << std::endl;
+			return ObjectManagerIF::CHILD_INIT_FAILED;
+		}
 	}
 
 	result = healthHelper.initialize();
@@ -168,7 +187,7 @@ ReturnValue_t DeviceHandlerBase::initialize() {
 
 	//Set temperature target state to NON_OP.
 	DataSet mySet;
-	PoolVariable<int8_t> thermalRequest(deviceThermalRequestPoolId, &mySet,
+	db_int8_t thermalRequest(deviceThermalRequestPoolId, &mySet,
 			PoolVariableIF::VAR_WRITE);
 	mySet.read();
 	thermalRequest = ThermalComponentIF::STATE_REQUEST_NON_OPERATIONAL;
@@ -200,38 +219,43 @@ void DeviceHandlerBase::readCommandQueue() {
 		return;
 	}
 
-	CommandMessage message;
-	ReturnValue_t result = commandQueue->receiveMessage(&message);
+	CommandMessage command;
+	ReturnValue_t result = commandQueue->receiveMessage(&command);
 	if (result != RETURN_OK) {
 		return;
 	}
 
-	result = healthHelper.handleHealthCommand(&message);
+	result = healthHelper.handleHealthCommand(&command);
 	if (result == RETURN_OK) {
 	    return;
 	}
 
-	result = modeHelper.handleModeCommand(&message);
+	result = modeHelper.handleModeCommand(&command);
 	if (result == RETURN_OK) {
 		return;
 	}
 
-	result = actionHelper.handleActionMessage(&message);
+	result = actionHelper.handleActionMessage(&command);
 	if (result == RETURN_OK) {
 		return;
 	}
 
-	result = parameterHelper.handleParameterMessage(&message);
+	result = parameterHelper.handleParameterMessage(&command);
 	if (result == RETURN_OK) {
 		return;
 	}
 
-	result = handleDeviceHandlerMessage(&message);
+//	result = hkManager.handleHousekeepingMessage(&command);
+//	if (result == RETURN_OK) {
+//		return;
+//	}
+
+	result = handleDeviceHandlerMessage(&command);
 	if (result == RETURN_OK) {
 		return;
 	}
 
-	result = letChildHandleMessage(&message);
+	result = letChildHandleMessage(&command);
 	if (result == RETURN_OK) {
 		return;
 	}
@@ -273,7 +297,8 @@ void DeviceHandlerBase::doStateMachine() {
 	case _MODE_WAIT_ON: {
 		uint32_t currentUptime;
 		Clock::getUptime(&currentUptime);
-		if (currentUptime - timeoutStart >= powerSwitcher->getSwitchDelayMs()) {
+		if (powerSwitcher != nullptr and currentUptime - timeoutStart >=
+				powerSwitcher->getSwitchDelayMs()) {
 			triggerEvent(MODE_TRANSITION_FAILED, PowerSwitchIF::SWITCH_TIMEOUT,
 					0);
 			setMode(_MODE_POWER_DOWN);
@@ -293,6 +318,12 @@ void DeviceHandlerBase::doStateMachine() {
 	case _MODE_WAIT_OFF: {
 		uint32_t currentUptime;
 		Clock::getUptime(&currentUptime);
+
+		if(powerSwitcher == nullptr) {
+		    setMode(MODE_OFF);
+		    break;
+		}
+
 		if (currentUptime - timeoutStart >= powerSwitcher->getSwitchDelayMs()) {
 			triggerEvent(MODE_TRANSITION_FAILED, PowerSwitchIF::SWITCH_TIMEOUT,
 					0);
@@ -343,9 +374,10 @@ ReturnValue_t DeviceHandlerBase::isModeCombinationValid(Mode_t mode,
 	}
 }
 
-ReturnValue_t DeviceHandlerBase::insertInCommandAndReplyMap(DeviceCommandId_t deviceCommand,
-		uint16_t maxDelayCycles, size_t replyLen, bool periodic,
-		bool hasDifferentReplyId, DeviceCommandId_t replyId) {
+ReturnValue_t DeviceHandlerBase::insertInCommandAndReplyMap(
+		DeviceCommandId_t deviceCommand, uint16_t maxDelayCycles,
+		size_t replyLen, bool periodic, bool hasDifferentReplyId,
+		DeviceCommandId_t replyId) {
 	//No need to check, as we may try to insert multiple times.
 	insertInCommandMap(deviceCommand);
 	if (hasDifferentReplyId) {
@@ -371,7 +403,8 @@ ReturnValue_t DeviceHandlerBase::insertInReplyMap(DeviceCommandId_t replyId,
 	}
 }
 
-ReturnValue_t DeviceHandlerBase::insertInCommandMap(DeviceCommandId_t deviceCommand) {
+ReturnValue_t DeviceHandlerBase::insertInCommandMap(
+		DeviceCommandId_t deviceCommand) {
 	DeviceCommandInfo info;
 	info.expectedReplies = 0;
 	info.isExecuting = false;
@@ -437,7 +470,7 @@ void DeviceHandlerBase::setMode(Mode_t newMode, uint8_t newSubmode) {
 
 	if (mode == MODE_OFF) {
 		DataSet mySet;
-		PoolVariable<int8_t> thermalRequest(deviceThermalRequestPoolId, &mySet,
+		db_int8_t thermalRequest(deviceThermalRequestPoolId, &mySet,
 				PoolVariableIF::VAR_READ_WRITE);
 		mySet.read();
 		if (thermalRequest != ThermalComponentIF::STATE_REQUEST_IGNORE) {
@@ -578,11 +611,8 @@ void DeviceHandlerBase::doSendRead() {
 }
 
 void DeviceHandlerBase::doGetRead() {
-	size_t receivedDataLen;
-	uint8_t *receivedData;
-	DeviceCommandId_t foundId = 0xFFFFFFFF;
-	size_t foundLen = 0;
-	ReturnValue_t result;
+	size_t receivedDataLen = 0;
+	uint8_t *receivedData = nullptr;
 
 	if (cookieInfo.state != COOKIE_READ_SENT) {
 		cookieInfo.state = COOKIE_UNUSED;
@@ -591,8 +621,8 @@ void DeviceHandlerBase::doGetRead() {
 
 	cookieInfo.state = COOKIE_UNUSED;
 
-	result = communicationInterface->readReceivedMessage(comCookie,
-			&receivedData, &receivedDataLen);
+	ReturnValue_t result = communicationInterface->readReceivedMessage(
+			comCookie, &receivedData, &receivedDataLen);
 
 	if (result != RETURN_OK) {
 		triggerEvent(DEVICE_REQUESTING_REPLY_FAILED, result);
@@ -608,11 +638,22 @@ void DeviceHandlerBase::doGetRead() {
 		replyRawData(receivedData, receivedDataLen, requestedRawTraffic);
 	}
 
-	if (mode == MODE_RAW) {
+	if (mode == MODE_RAW and defaultRawReceiver != MessageQueueIF::NO_QUEUE) {
 		replyRawReplyIfnotWiretapped(receivedData, receivedDataLen);
-	} else {
-		//The loop may not execute more often than the number of received bytes (worst case).
-		//This approach avoids infinite loops due to buggy scanForReply routines (seen in bug 1077).
+	}
+	else {
+		parseReply(receivedData, receivedDataLen);
+	}
+}
+
+void DeviceHandlerBase::parseReply(const uint8_t* receivedData,
+		size_t receivedDataLen) {
+	ReturnValue_t result = HasReturnvaluesIF::RETURN_FAILED;
+	DeviceCommandId_t foundId = 0xFFFFFFFF;
+	size_t foundLen = 0;
+	// The loop may not execute more often than the number of received bytes
+	// (worst case). This approach avoids infinite loops due to buggy
+	// scanForReply routines.
 	uint32_t remainingLength = receivedDataLen;
 	for (uint32_t count = 0; count < receivedDataLen; count++) {
 		result = scanForReply(receivedData, remainingLength, &foundId,
@@ -647,7 +688,46 @@ void DeviceHandlerBase::doGetRead() {
 			return;
 		}
 	}
+}
 
+void DeviceHandlerBase::handleReply(const uint8_t* receivedData,
+		DeviceCommandId_t foundId, uint32_t foundLen) {
+	ReturnValue_t result;
+	DeviceReplyMap::iterator iter = deviceReplyMap.find(foundId);
+
+	if (iter == deviceReplyMap.end()) {
+		replyRawReplyIfnotWiretapped(receivedData, foundLen);
+		triggerEvent(DEVICE_UNKNOWN_REPLY, foundId);
+		return;
+	}
+
+	DeviceReplyInfo *info = &(iter->second);
+
+	if (info->delayCycles != 0) {
+
+		if (info->periodic != false) {
+			info->delayCycles = info->maxDelayCycles;
+		}
+		else {
+			info->delayCycles = 0;
+		}
+
+		result = interpretDeviceReply(foundId, receivedData);
+
+		if (result != RETURN_OK) {
+			// Report failed interpretation to FDIR.
+			replyRawReplyIfnotWiretapped(receivedData, foundLen);
+			triggerEvent(DEVICE_INTERPRETING_REPLY_FAILED, result, foundId);
+		}
+		replyToReply(iter, result);
+	}
+	else {
+		// Other completion failure messages are created by timeout.
+		// Powering down the device might take some time during which periodic
+		// replies may still come in.
+		if (mode != _MODE_WAIT_OFF) {
+			triggerEvent(DEVICE_UNREQUESTED_REPLY, foundId);
+		}
 	}
 }
 
@@ -675,7 +755,7 @@ ReturnValue_t DeviceHandlerBase::getStorageData(store_address_t storageAddress,
 
 void DeviceHandlerBase::replyRawData(const uint8_t *data, size_t len,
 		MessageQueueId_t sendTo, bool isCommand) {
-	if (IPCStore == NULL || len == 0) {
+	if (IPCStore == nullptr or len == 0 or sendTo == MessageQueueIF::NO_QUEUE) {
 		return;
 	}
 	store_address_t address;
@@ -686,18 +766,17 @@ void DeviceHandlerBase::replyRawData(const uint8_t *data, size_t len,
 		return;
 	}
 
-	CommandMessage message;
+	CommandMessage command;
 
-	DeviceHandlerMessage::setDeviceHandlerRawReplyMessage(&message,
+	DeviceHandlerMessage::setDeviceHandlerRawReplyMessage(&command,
 			getObjectId(), address, isCommand);
 
-//	this->DeviceHandlerCommand = CommandMessage::CMD_NONE;
-
-	result = commandQueue->sendMessage(sendTo, &message);
+	result = commandQueue->sendMessage(sendTo, &command);
 
 	if (result != RETURN_OK) {
 		IPCStore->deleteData(address);
-		//Silently discard data, this indicates heavy TM traffic which should not be increased by additional events.
+		// Silently discard data, this indicates heavy TM traffic which
+		// should not be increased by additional events.
 	}
 }
 
@@ -726,57 +805,6 @@ MessageQueueId_t DeviceHandlerBase::getCommandQueue() const {
 	return commandQueue->getId();
 }
 
-void DeviceHandlerBase::handleReply(const uint8_t* receivedData,
-		DeviceCommandId_t foundId, uint32_t foundLen) {
-	ReturnValue_t result;
-	DeviceReplyMap::iterator iter = deviceReplyMap.find(foundId);
-
-	if (iter == deviceReplyMap.end()) {
-		replyRawReplyIfnotWiretapped(receivedData, foundLen);
-		triggerEvent(DEVICE_UNKNOWN_REPLY, foundId);
-		return;
-	}
-
-	DeviceReplyInfo *info = &(iter->second);
-
-	if (info->delayCycles != 0) {
-
-		if (info->periodic) {
-			info->delayCycles = info->maxDelayCycles;
-		} else {
-			info->delayCycles = 0;
-		}
-		result = interpretDeviceReply(foundId, receivedData);
-		if (result != RETURN_OK) {
-			//Report failed interpretation to FDIR.
-			replyRawReplyIfnotWiretapped(receivedData, foundLen);
-			triggerEvent(DEVICE_INTERPRETING_REPLY_FAILED, result, foundId);
-		}
-		replyToReply(iter, result);
-	} else {
-		//Other completion failure messages are created by timeout.
-		//Powering down the device might take some time during which periodic replies may still come in.
-		if (mode != _MODE_WAIT_OFF) {
-			triggerEvent(DEVICE_UNREQUESTED_REPLY, foundId);
-		}
-	}
-}
-
-//ReturnValue_t DeviceHandlerBase::switchCookieChannel(object_id_t newChannelId) {
-//	DeviceCommunicationIF *newCommunication = objectManager->get<
-//			DeviceCommunicationIF>(newChannelId);
-//
-//	if (newCommunication != NULL) {
-//		ReturnValue_t result = newCommunication->reOpen(cookie, ioBoardAddress,
-//				maxDeviceReplyLen);
-//		if (result != RETURN_OK) {
-//			return result;
-//		}
-//		return RETURN_OK;
-//	}
-//	return RETURN_FAILED;
-//}
-
 void DeviceHandlerBase::buildRawDeviceCommand(CommandMessage* commandMessage) {
 	storedRawData = DeviceHandlerMessage::getStoreAddress(commandMessage);
 	ReturnValue_t result = getStorageData(storedRawData, &rawPacket,
@@ -793,6 +821,9 @@ void DeviceHandlerBase::buildRawDeviceCommand(CommandMessage* commandMessage) {
 }
 
 void DeviceHandlerBase::commandSwitch(ReturnValue_t onOff) {
+	if(powerSwitcher == nullptr) {
+		return;
+	}
 	const uint8_t *switches;
 	uint8_t numberOfSwitches = 0;
 	ReturnValue_t result = getSwitches(&switches, &numberOfSwitches);
@@ -807,9 +838,7 @@ void DeviceHandlerBase::commandSwitch(ReturnValue_t onOff) {
 
 ReturnValue_t DeviceHandlerBase::getSwitches(const uint8_t **switches,
 		uint8_t *numberOfSwitches) {
-	*switches = &deviceSwitch;
-	*numberOfSwitches = 1;
-	return RETURN_OK;
+	return DeviceHandlerBase::NO_SWITCH;
 }
 
 void DeviceHandlerBase::modeChanged(void) {
@@ -845,6 +874,9 @@ uint32_t DeviceHandlerBase::getTransitionDelayMs(Mode_t modeFrom,
 }
 
 ReturnValue_t DeviceHandlerBase::getStateOfSwitches(void) {
+	if(powerSwitcher == nullptr) {
+		return NO_SWITCH;
+	}
 	uint8_t numberOfSwitches = 0;
 	const uint8_t *switches;
 
@@ -895,9 +927,9 @@ ReturnValue_t DeviceHandlerBase::checkModeCommand(Mode_t commandedMode,
 	if ((commandedMode == MODE_ON) && (mode == MODE_OFF)
 			&& (deviceThermalStatePoolId != PoolVariableIF::NO_PARAMETER)) {
 		DataSet mySet;
-		PoolVariable<int8_t> thermalState(deviceThermalStatePoolId, &mySet,
+		db_int8_t thermalState(deviceThermalStatePoolId, &mySet,
 				PoolVariableIF::VAR_READ);
-		PoolVariable<int8_t> thermalRequest(deviceThermalRequestPoolId, &mySet,
+		db_int8_t thermalRequest(deviceThermalRequestPoolId, &mySet,
 				PoolVariableIF::VAR_READ);
 		mySet.read();
 		if (thermalRequest != ThermalComponentIF::STATE_REQUEST_IGNORE) {
@@ -925,7 +957,7 @@ void DeviceHandlerBase::startTransition(Mode_t commandedMode,
 					MODE_ON);
 			triggerEvent(CHANGING_MODE, commandedMode, commandedSubmode);
 			DataSet mySet;
-			PoolVariable<int8_t> thermalRequest(deviceThermalRequestPoolId,
+			db_int8_t thermalRequest(deviceThermalRequestPoolId,
 					&mySet, PoolVariableIF::VAR_READ_WRITE);
 			mySet.read();
 			if (thermalRequest != ThermalComponentIF::STATE_REQUEST_IGNORE) {
@@ -1111,35 +1143,47 @@ void DeviceHandlerBase::handleDeviceTM(SerializeIF* data,
 		return;
 	}
 	DeviceTmReportingWrapper wrapper(getObjectId(), replyId, data);
-	if (iter->second.command != deviceCommandMap.end()) {//replies to a command
+	//replies to a command
+	if (iter->second.command != deviceCommandMap.end())
+	{
 		MessageQueueId_t queueId = iter->second.command->second.sendReplyTo;
 
 		if (queueId != NO_COMMANDER) {
 			//This may fail, but we'll ignore the fault.
 			actionHelper.reportData(queueId, replyId, data);
 		}
+
 		//This check should make sure we get any TM but don't get anything doubled.
 		if (wiretappingMode == TM && (requestedRawTraffic != queueId)) {
 			actionHelper.reportData(requestedRawTraffic, replyId, &wrapper);
-		} else if (forceDirectTm && (defaultRawReceiver != queueId)) {
-
-			// hiding of sender needed so the service will handle it as unexpected Data, no matter what state
-			//(progress or completed) it is in
+		}
+		else if (forceDirectTm and (defaultRawReceiver != queueId) and
+					(defaultRawReceiver != MessageQueueIF::NO_QUEUE))
+		{
+			// hiding of sender needed so the service will handle it as
+			// unexpected Data, no matter what state (progress or completed)
+			// it is in
 			actionHelper.reportData(defaultRawReceiver, replyId, &wrapper,
 					true);
-
 		}
-	} else { //unrequested/aperiodic replies
+	}
+	//unrequested/aperiodic replies
+	else
+	{
 		if (wiretappingMode == TM) {
 			actionHelper.reportData(requestedRawTraffic, replyId, &wrapper);
-		} else if (forceDirectTm) {
-			// hiding of sender needed so the service will handle it as unexpected Data, no matter what state
-			//(progress or completed) it is in
+		}
+		else if (forceDirectTm and defaultRawReceiver !=
+				MessageQueueIF::NO_QUEUE)
+		{
+			// hiding of sender needed so the service will handle it as
+			// unexpected Data, no matter what state (progress or completed)
+			// it is in
 			actionHelper.reportData(defaultRawReceiver, replyId, &wrapper,
 					true);
 		}
 	}
-//Try to cast to DataSet and commit data.
+	//Try to cast to GlobDataSet and commit data.
 	if (!neverInDataPool) {
 		DataSet* dataSet = dynamic_cast<DataSet*>(data);
 		if (dataSet != NULL) {
@@ -1178,18 +1222,23 @@ void DeviceHandlerBase::buildInternalCommand(void) {
 	if (mode == MODE_NORMAL) {
 		result = buildNormalDeviceCommand(&deviceCommandId);
 		if (result == BUSY) {
+		    //so we can track misconfigurations
 			sif::debug << std::hex << getObjectId()
-					<< ": DHB::buildInternalCommand busy" << std::endl; //so we can track misconfigurations
+					<< ": DHB::buildInternalCommand: Busy" << std::endl;
 			result = NOTHING_TO_SEND; //no need to report this
 		}
-	} else if (mode == MODE_RAW) {
+	}
+	else if (mode == MODE_RAW) {
 		result = buildChildRawCommand();
 		deviceCommandId = RAW_COMMAND_ID;
-	} else if (mode & TRANSITION_MODE_CHILD_ACTION_MASK) {
+	}
+	else if (mode & TRANSITION_MODE_CHILD_ACTION_MASK) {
 		result = buildTransitionDeviceCommand(&deviceCommandId);
-	} else {
+	}
+	else {
 		return;
 	}
+
 	if (result == NOTHING_TO_SEND) {
 		return;
 	}
@@ -1288,4 +1337,15 @@ void DeviceHandlerBase::setTaskIF(PeriodicTaskIF* task_){
 void DeviceHandlerBase::debugInterface(uint8_t positionTracker,
 		object_id_t objectId, uint32_t parameter) {}
 
-void DeviceHandlerBase::performOperationHook() {}
+void DeviceHandlerBase::performOperationHook() {
+}
+
+ReturnValue_t DeviceHandlerBase::initializeAfterTaskCreation() {
+    // In this function, the task handle should be valid if the task
+    // was implemented correctly. We still check to be 1000 % sure :-)
+    if(executingTask != nullptr) {
+        pstIntervalMs = executingTask->getPeriodMs();
+    }
+    return HasReturnvaluesIF::RETURN_OK;
+}
+

devicehandlers/DeviceHandlerBase.h

@@ -1,22 +1,23 @@
-#ifndef DEVICEHANDLERBASE_H_
-#define DEVICEHANDLERBASE_H_
+#ifndef FRAMEWORK_DEVICEHANDLERS_DEVICEHANDLERBASE_H_
+#define FRAMEWORK_DEVICEHANDLERS_DEVICEHANDLERBASE_H_
+
+#include "DeviceHandlerIF.h"
+#include "DeviceCommunicationIF.h"
+#include "DeviceHandlerFailureIsolation.h"
 
 #include "../objectmanager/SystemObject.h"
+#include "../tasks/PeriodicTaskIF.h"
 #include "../tasks/ExecutableObjectIF.h"
-#include "DeviceHandlerIF.h"
 #include "../returnvalues/HasReturnvaluesIF.h"
 #include "../action/HasActionsIF.h"
 #include "../datapool/PoolVariableIF.h"
-#include "DeviceCommunicationIF.h"
 #include "../modes/HasModesIF.h"
 #include "../power/PowerSwitchIF.h"
 #include "../ipc/MessageQueueIF.h"
-
 #include "../action/ActionHelper.h"
 #include "../health/HealthHelper.h"
 #include "../parameters/ParameterHelper.h"
 #include "../datapool/HkSwitchHelper.h"
-#include "DeviceHandlerFailureIsolation.h"
 
 #include <map>
 
@@ -46,14 +47,16 @@ class StorageManagerIF;
  * If data has been received (GET_READ), the data will be interpreted.
  * The action for each step can be defined by the child class but as most
  * device handlers share a 4-call (sendRead-getRead-sendWrite-getWrite) structure,
- * a default implementation is provided. NOTE: RMAP is a standard which is used for FLP.
+ * a default implementation is provided.
+ * NOTE: RMAP is a standard which is used for FLP.
  * RMAP communication is not mandatory for projects implementing the FSFW.
  * However, the communication principles are similar to RMAP as there are
  * two write and two send calls involved.
  *
- * Device handler instances should extend this class and implement the abstract functions.
- * Components and drivers can send so called cookies which are used for communication
- * and contain information about the communcation (e.g. slave address for I2C or RMAP structs).
+ * Device handler instances should extend this class and implement the abstract
+ * functions. Components and drivers can send so called cookies which are used
+ * for communication and contain information about the communcation (e.g. slave
+ * address for I2C or RMAP structs).
  * The following abstract methods must be implemented by a device handler:
  *  1. doStartUp()
  *  2. doShutDown()
@@ -100,12 +103,12 @@ public:
 	 * @param cmdQueueSize
 	 */
 	DeviceHandlerBase(object_id_t setObjectId, object_id_t deviceCommunication,
-			CookieIF * comCookie, uint8_t setDeviceSwitch,
-			uint32_t thermalStatePoolId = PoolVariableIF::NO_PARAMETER,
-			uint32_t thermalRequestPoolId = PoolVariableIF::NO_PARAMETER,
-			FailureIsolationBase* fdirInstance = nullptr,
+			CookieIF * comCookie, FailureIsolationBase* fdirInstance = nullptr,
 			size_t cmdQueueSize = 20);
 
+	void setThermalStateRequestPoolIds(uint32_t thermalStatePoolId,
+			uint32_t thermalRequestPoolId);
+
 	/**
 	 * @brief 	This function is the device handler base core component and is
 	 * 			called periodically.
@@ -150,11 +153,9 @@ public:
 	 * @return
 	 */
 	virtual ReturnValue_t initialize();
-
-	/**
-	 * Destructor.
-	 */
+	/** Destructor. */
 	virtual ~DeviceHandlerBase();
+
 protected:
 	/**
 	 * @brief 	This is used to let the child class handle the transition from
@@ -232,8 +233,9 @@ protected:
 	 * Build the device command to send for a transitional mode.
 	 *
 	 * This is only called in @c _MODE_TO_NORMAL, @c _MODE_TO_ON, @c _MODE_TO_RAW,
-	 * @c _MODE_START_UP and @c _MODE_TO_POWER_DOWN. So it is used by doStartUp()
-	 * and doShutDown() as well as doTransition()
+	 * @c _MODE_START_UP and @c _MODE_SHUT_DOWN. So it is used by doStartUp()
+	 * and doShutDown() as well as doTransition(), by setting those
+	 * modes in the respective functions.
 	 *
 	 * A good idea is to implement a flag indicating a command has to be built
 	 * and a variable containing the command number to be built
@@ -321,12 +323,11 @@ protected:
 	 *     - @c RETURN_FAILED when the reply could not be interpreted,
 	 *     e.g. logical errors or range violations occurred
 	 */
-
 	virtual ReturnValue_t interpretDeviceReply(DeviceCommandId_t id,
 			const uint8_t *packet) = 0;
 
 	/**
-	 * @brief fill the #deviceCommandMap
+	 * @brief fill the #DeviceCommandMap and #DeviceReplyMap
 	 *	 	  called by the initialize() of the base class
 	 * @details
 	 * This is used to let the base class know which replies are expected.
@@ -470,6 +471,18 @@ protected:
 	virtual ReturnValue_t getSwitches(const uint8_t **switches,
 			uint8_t *numberOfSwitches);
 
+	/**
+	 * This function is used to initialize the local housekeeping pool
+	 * entries. The default implementation leaves the pool empty.
+	 * @param localDataPoolMap
+	 * @return
+	 */
+	//virtual ReturnValue_t initializePoolEntries(
+	//			LocalDataPool& localDataPoolMap) override;
+
+	/** Get the HK manager object handle */
+	//virtual LocalDataPoolManager* getHkManagerHandle() override;
+
 	/**
 	 * @brief 	Hook function for child handlers which is called once per
 	 * 			performOperation(). Default implementation is empty.
@@ -493,7 +506,7 @@ public:
 	ReturnValue_t setHealth(HealthState health);
 	virtual ReturnValue_t getParameter(uint8_t domainId, uint16_t parameterId,
 			ParameterWrapper *parameterWrapper,
-			const ParameterWrapper *newValues, uint16_t startAtIndex);
+			const ParameterWrapper *newValues, uint16_t startAtIndex) override;
 	/**
 	 * Implementation of ExecutableObjectIF function
 	 *
@@ -505,7 +518,7 @@ public:
 
 protected:
 	/**
-	 * The Returnvalues ID of this class, required by HasReturnvaluesIF
+	 * The Returnvalues id of this class, required by HasReturnvaluesIF
 	 */
 	static const uint8_t INTERFACE_ID = CLASS_ID::DEVICE_HANDLER_BASE;
 
@@ -527,114 +540,138 @@ protected:
 	static const DeviceCommandId_t NO_COMMAND_ID = -2;
 	static const MessageQueueId_t NO_COMMANDER = 0;
 
-	/**
-	 * Pointer to the raw packet that will be sent.
-	 */
+	/** Pointer to the raw packet that will be sent.*/
 	uint8_t *rawPacket = nullptr;
-	/**
-	 * Size of the #rawPacket.
-	 */
+	/** Size of the #rawPacket. */
 	uint32_t rawPacketLen = 0;
 
 	/**
 	 * The mode the device handler is currently in.
-	 *
 	 * This should never be changed directly but only with setMode()
 	 */
 	Mode_t mode;
-
 	/**
 	 * The submode the device handler is currently in.
-	 *
 	 * This should never be changed directly but only with setMode()
 	 */
 	Submode_t submode;
 
-	/**
-	 * This is the counter value from performOperation().
-	 */
+	/** This is the counter value from performOperation(). */
 	uint8_t pstStep = 0;
+	uint32_t pstIntervalMs = 0;
 
 	/**
-	 * wiretapping flag:
+	 * Wiretapping flag:
 	 *
-	 * indicates either that all raw messages to and from the device should be sent to #theOneWhoWantsToReadRawTraffic
-	 * or that all device TM should be downlinked to #theOneWhoWantsToReadRawTraffic
+	 * indicates either that all raw messages to and from the device should be
+	 * sent to #defaultRawReceiver
+	 * or that all device TM should be downlinked to #defaultRawReceiver.
 	 */
 	enum WiretappingMode {
 		OFF = 0, RAW = 1, TM = 2
 	} wiretappingMode;
-
 	/**
-	 * A message queue that accepts raw replies
+	 * @brief 	A message queue that accepts raw replies
 	 *
-	 * Statically initialized in initialize() to a configurable object. Used when there is no method
-	 * of finding a recipient, ie raw mode and reporting erreonous replies
+	 * Statically initialized in initialize() to a configurable object.
+	 * Used when there is no method of finding a recipient, ie raw mode and
+	 * reporting erroneous replies
 	 */
-	MessageQueueId_t defaultRawReceiver = 0;
-
+	MessageQueueId_t defaultRawReceiver = MessageQueueIF::NO_QUEUE;
 	store_address_t storedRawData;
 
 	/**
-	 * the message queue which wants to read all raw traffic
-	 *
-	 * if #isWiretappingActive all raw communication from and to the device will be sent to this queue
+	 * @brief 	The message queue which wants to read all raw traffic
+	 * If #isWiretappingActive all raw communication from and to the device
+	 * will be sent to this queue
 	 */
 	MessageQueueId_t requestedRawTraffic = 0;
 
-	/**
-	 * the object used to set power switches
-	 */
-	PowerSwitchIF *powerSwitcher = nullptr;
-
 	/**
 	 * Pointer to the IPCStore.
-	 *
 	 * This caches the pointer received from the objectManager in the constructor.
 	 */
 	StorageManagerIF *IPCStore = nullptr;
-
-	/**
-	 * cached for init
-	 */
+	/** The comIF object ID is cached for the intialize() function */
 	object_id_t deviceCommunicationId;
-
-	/**
-	 * Communication object used for device communication
-	 */
+	/** Communication object used for device communication */
 	DeviceCommunicationIF * communicationInterface = nullptr;
-
-	/**
-	 * Cookie used for communication
-	 */
+	/** Cookie used for communication */
 	CookieIF * comCookie;
 
+	/** Health helper for HasHealthIF */
+	HealthHelper healthHelper;
+	/** Mode helper for HasModesIF */
+	ModeHelper modeHelper;
+	/** Parameter helper for ReceivesParameterMessagesIF */
+	ParameterHelper parameterHelper;
+	/** Action helper for HasActionsIF */
+	ActionHelper actionHelper;
+	/** Housekeeping Manager */
+	//LocalDataPoolManager hkManager;
+
+	/**
+	 *  @brief Information about commands
+	 */
 	struct DeviceCommandInfo {
-		bool isExecuting; //!< Indicates if the command is already executing.
-		uint8_t expectedReplies; //!< Dynamic value to indicate how many replies are expected. Inititated with 0.
-		MessageQueueId_t sendReplyTo; //!< if this is != NO_COMMANDER, DHB was commanded externally and shall report everything to commander.
+		//! Indicates if the command is already executing.
+		bool isExecuting;
+		//! Dynamic value to indicate how many replies are expected.
+		//! Inititated with 0.
+		uint8_t expectedReplies;
+		//! if this is != NO_COMMANDER, DHB was commanded externally and shall
+		//! report everything to commander.
+		MessageQueueId_t sendReplyTo;
 	};
 	using DeviceCommandMap = std::map<DeviceCommandId_t, DeviceCommandInfo> ;
+	/**
+	 * Information about commands
+	 */
+	DeviceCommandMap deviceCommandMap;
 
 	/**
 	 * @brief Information about expected replies
-	 *
-	 * This is used to keep track of pending replies
+	 * This is used to keep track of pending replies.
 	 */
 	struct DeviceReplyInfo {
-		uint16_t maxDelayCycles; //!< The maximum number of cycles the handler should wait for a reply to this command.
-		uint16_t delayCycles; //!< The currently remaining cycles the handler should wait for a reply, 0 means there is no reply expected
+		//! The maximum number of cycles the handler should wait for a reply
+		//! to this command.
+		uint16_t maxDelayCycles;
+		//! The currently remaining cycles the handler should wait for a reply,
+		//! 0 means there is no reply expected
+		uint16_t delayCycles;
 		size_t replyLen = 0; //!< Expected size of the reply.
-		bool periodic; //!< if this is !=0, the delayCycles will not be reset to 0 but to maxDelayCycles
-		DeviceCommandMap::iterator command; //!< The command that expects this reply.
+		//! if this is !=0, the delayCycles will not be reset to 0 but to
+		//! maxDelayCycles
+		bool periodic = false;
+		//! The dataset used to access housekeeping data related to the
+		//! respective device reply. Will point to a dataset held by
+		//! the child handler (if one is specified)
+		// DataSetIF* dataSet = nullptr;
+		//! The command that expects this reply.
+		DeviceCommandMap::iterator command;
 	};
 
 	using DeviceReplyMap = std::map<DeviceCommandId_t, DeviceReplyInfo> ;
 	using DeviceReplyIter = DeviceReplyMap::iterator;
-
 	/**
-	 * The MessageQueue used to receive device handler commands and to send replies.
+	 * This map is used to check and track correct reception of all replies.
+	 *
+	 * It has multiple use:
+	 * - It stores the information on pending replies. If a command is sent,
+	 * 	 the DeviceCommandInfo.count is incremented.
+	 * - It is used to time-out missing replies. If a command is sent, the
+	 * 	 DeviceCommandInfo.DelayCycles is set to MaxDelayCycles.
+	 * - It is queried to check if a reply from the device can be interpreted.
+	 *   scanForReply() returns the id of the command a reply was found for.
+	 * The reply is ignored in the following cases:
+	 *     - No entry for the returned id was found
+	 *     - The deviceReplyInfo.delayCycles is == 0
 	 */
+	DeviceReplyMap deviceReplyMap;
+
+	//! The MessageQueue used to receive device handler commands
+	//! and to send replies.
 	MessageQueueIF* commandQueue = nullptr;
 
 	/**
@@ -642,23 +679,14 @@ protected:
 	 *
 	 * can be set to PoolVariableIF::NO_PARAMETER to deactivate thermal checking
 	 */
-	uint32_t deviceThermalStatePoolId;
+	uint32_t deviceThermalStatePoolId = PoolVariableIF::NO_PARAMETER;
 
 	/**
 	 * this is the datapool variable with the thermal request of the device
 	 *
 	 * can be set to PoolVariableIF::NO_PARAMETER to deactivate thermal checking
 	 */
-	uint32_t deviceThermalRequestPoolId;
-
-	/**
-	 * Taking care of the health
-	 */
-	HealthHelper healthHelper;
-
-	ModeHelper modeHelper;
-
-	ParameterHelper parameterHelper;
+	uint32_t deviceThermalRequestPoolId = PoolVariableIF::NO_PARAMETER;
 
 	/**
 	 * Optional Error code
@@ -676,13 +704,15 @@ protected:
 
 	bool switchOffWasReported; //!< Indicates if SWITCH_WENT_OFF was already thrown.
 
-	PeriodicTaskIF* executingTask = nullptr;//!< Pointer to the task which executes this component, is invalid before setTaskIF was called.
+	//! Pointer to the task which executes this component, is invalid
+	//! before setTaskIF was called.
+	PeriodicTaskIF* executingTask = nullptr;
 
 	static object_id_t powerSwitcherId; //!< Object which switches power on and off.
 
 	static object_id_t rawDataReceiverId; //!< Object which receives RAW data by default.
 
-	static object_id_t defaultFDIRParentId; //!< Object which may be the root cause of an identified fault.
+	static object_id_t defaultFdirParentId; //!< Object which may be the root cause of an identified fault.
 	/**
 	 * Helper function to report a missed reply
 	 *
@@ -730,28 +760,40 @@ protected:
 	/**
 	 * Do the transition to the main modes (MODE_ON, MODE_NORMAL and MODE_RAW).
 	 *
-	 * If the transition is complete, the mode should be set to the target mode, which can be deduced from the current mode which is
+	 * If the transition is complete, the mode should be set to the target mode,
+	 * which can be deduced from the current mode which is
 	 * [_MODE_TO_ON, _MODE_TO_NORMAL, _MODE_TO_RAW]
 	 *
-	 * The intended target submode is already set. The origin submode can be read in subModeFrom.
+	 * The intended target submode is already set.
+	 * The origin submode can be read in subModeFrom.
 	 *
-	 * If the transition can not be completed, the child class can try to reach an working mode by setting the mode either directly
-	 * or setting the mode to an transitional mode (TO_ON, TO_NORMAL, TO_RAW) if the device needs to be reconfigured.
+	 * If the transition can not be completed, the child class can try to reach
+	 * an working mode by setting the mode either directly
+	 * or setting the mode to an transitional mode (TO_ON, TO_NORMAL, TO_RAW)
+	 * if the device needs to be reconfigured.
 	 *
-	 * If nothing works, the child class can wait for the timeout and the base class will reset the mode to the mode where the transition
+	 * If nothing works, the child class can wait for the timeout and the base
+	 * class will reset the mode to the mode where the transition
 	 * originated from (the child should report the reason for the failed transition).
 	 *
-	 * The intended way to send commands is to set a flag (enum) indicating which command is to be sent here
-	 * and then to check in buildTransitionCommand() for the flag. This flag can also be used by doStartUp() and
-	 * doShutDown() to get a nice and clean implementation of buildTransitionCommand() without switching through modes.
+	 * The intended way to send commands is to set a flag (enum) indicating
+	 * which command is to be sent here and then to check in
+	 * buildTransitionCommand() for the flag. This flag can also be used by
+	 * doStartUp() and doShutDown() to get a nice and clean implementation of
+	 * buildTransitionCommand() without switching through modes.
 	 *
-	 * When the the condition for the completion of the transition is met, the mode can be set, for example in the parseReply() function.
+	 * When the the condition for the completion of the transition is met, the
+	 * mode can be set, for example in the scanForReply() function.
 	 *
-	 * The default implementation goes into the target mode;
+	 * The default implementation goes into the target mode directly.
 	 *
-	 * #transitionFailure can be set to a failure code indicating the reason for a failed transition
+	 * #transitionFailure can be set to a failure code indicating the reason
+	 * for a failed transition
 	 *
-	 * @param modeFrom the mode the transition originated from: [MODE_ON, MODE_NORMAL, MODE_RAW and _MODE_POWER_DOWN (if the mode changed from _MODE_START_UP to _MODE_TO_ON)]
+	 * @param modeFrom
+	 * The mode the transition originated from:
+	 * [MODE_ON, MODE_NORMAL, MODE_RAW and _MODE_POWER_DOWN (if the mode changed
+	 * from _MODE_START_UP to _MODE_TO_ON)]
 	 * @param subModeFrom the subMode of modeFrom
 	 */
 	virtual void doTransition(Mode_t modeFrom, Submode_t subModeFrom);
@@ -953,24 +995,11 @@ protected:
 	bool commandIsExecuting(DeviceCommandId_t commandId);
 
 	/**
-	 * This map is used to check and track correct reception of all replies.
+	 * set all switches returned by getSwitches()
 	 *
-	 * It has multiple use:
-	 * - it stores the information on pending replies. If a command is sent, the DeviceCommandInfo.count is incremented.
-	 * - it is used to time-out missing replies. If a command is sent, the DeviceCommandInfo.DelayCycles is set to MaxDelayCycles.
-	 * - it is queried to check if a reply from the device can be interpreted. scanForReply() returns the id of the command a reply was found for.
-	 * The reply is ignored in the following cases:
-	 *     - No entry for the returned id was found
-	 *     - The deviceReplyInfo.delayCycles is == 0
+	 * @param onOff on == @c SWITCH_ON; off != @c SWITCH_ON
 	 */
-	DeviceReplyMap deviceReplyMap;
-
-	/**
-	 * Information about commands
-	 */
-	DeviceCommandMap deviceCommandMap;
-
-	ActionHelper actionHelper;
+	void commandSwitch(ReturnValue_t onOff);
 private:
 
 	/**
@@ -997,15 +1026,16 @@ private:
 	};
 
 	/**
-	 * Info about the #cookie
-	 *
+	 * @brief   Info about the #cookie
 	 * Used to track the state of the communication
 	 */
 	CookieInfo cookieInfo;
 
+	/** the object used to set power switches */
+	PowerSwitchIF *powerSwitcher = nullptr;
+
 	/**
-	 * Used for timing out mode transitions.
-	 *
+	 * @brief   Used for timing out mode transitions.
 	 * Set when setMode() is called.
 	 */
 	uint32_t timeoutStart = 0;
@@ -1016,11 +1046,12 @@ private:
 	uint32_t childTransitionDelay;
 
 	/**
-	 * The mode the current transition originated from
+	 * @brief   The mode the current transition originated from
 	 *
 	 * This is private so the child can not change it and fuck up the timeouts
 	 *
-	 * IMPORTANT: This is not valid during _MODE_SHUT_DOWN and _MODE_START_UP!! (it is _MODE_POWER_DOWN during this modes)
+	 * IMPORTANT: This is not valid during _MODE_SHUT_DOWN and _MODE_START_UP!!
+	 * (it is _MODE_POWER_DOWN during this modes)
 	 *
 	 * is element of [MODE_ON, MODE_NORMAL, MODE_RAW]
 	 */
@@ -1031,13 +1062,6 @@ private:
 	 */
 	Submode_t transitionSourceSubMode;
 
-	/**
-	 * the switch of the device
-	 *
-	 * for devices using two switches override getSwitches()
-	 */
-	const uint8_t deviceSwitch;
-
 	/**
 	 * read the command queue
 	 */
@@ -1135,12 +1159,6 @@ private:
 	ReturnValue_t getStorageData(store_address_t storageAddress, uint8_t **data,
 			uint32_t *len);
 
-	/**
-	 * set all switches returned by getSwitches()
-	 *
-	 * @param onOff on == @c SWITCH_ON; off != @c SWITCH_ON
-	 */
-	void commandSwitch(ReturnValue_t onOff);
 
 	/**
 	 * @param modeTo either @c MODE_ON, MODE_NORMAL or MODE_RAW NOTHING ELSE!!!
@@ -1165,7 +1183,12 @@ private:
 	ReturnValue_t switchCookieChannel(object_id_t newChannelId);
 
 	ReturnValue_t handleDeviceHandlerMessage(CommandMessage *message);
+
+	virtual ReturnValue_t initializeAfterTaskCreation() override;
+
+	void parseReply(const uint8_t* receivedData,
+	            size_t receivedDataLen);
 };
 
-#endif /* DEVICEHANDLERBASE_H_ */
+#endif /* FRAMEWORK_DEVICEHANDLERS_DEVICEHANDLERBASE_H_ */
 

devicehandlers/DeviceHandlerFailureIsolation.cpp

@@ -1,19 +1,27 @@
-#include "DeviceHandlerBase.h"
 #include "DeviceHandlerFailureIsolation.h"
+
+#include "../devicehandlers/DeviceHandlerIF.h"
+#include "../modes/HasModesIF.h"
 #include "../health/HealthTableIF.h"
 #include "../power/Fuse.h"
 #include "../serviceinterface/ServiceInterfaceStream.h"
 #include "../thermal/ThermalComponentIF.h"
 
-object_id_t DeviceHandlerFailureIsolation::powerConfirmationId = 0;
+object_id_t DeviceHandlerFailureIsolation::powerConfirmationId =
+        objects::NO_OBJECT;
 
-DeviceHandlerFailureIsolation::DeviceHandlerFailureIsolation(object_id_t owner, object_id_t parent) :
-		FailureIsolationBase(owner, parent), strangeReplyCount(MAX_STRANGE_REPLIES,
-				STRANGE_REPLIES_TIME_MS, parameterDomainBase++), missedReplyCount(
-				MAX_MISSED_REPLY_COUNT, MISSED_REPLY_TIME_MS,
-				parameterDomainBase++), recoveryCounter(MAX_REBOOT,
-				REBOOT_TIME_MS, parameterDomainBase++), fdirState(NONE), powerConfirmation(
-				0) {
+DeviceHandlerFailureIsolation::DeviceHandlerFailureIsolation(object_id_t owner,
+		object_id_t parent) :
+		FailureIsolationBase(owner, parent),
+		strangeReplyCount(DEFAULT_MAX_STRANGE_REPLIES,
+		        DEFAULT_STRANGE_REPLIES_TIME_MS,
+				parameterDomainBase++),
+		missedReplyCount( DEFAULT_MAX_MISSED_REPLY_COUNT,
+		        DEFAULT_MISSED_REPLY_TIME_MS,
+				parameterDomainBase++),
+		recoveryCounter(DEFAULT_MAX_REBOOT, DEFAULT_REBOOT_TIME_MS,
+		        parameterDomainBase++),
+		fdirState(NONE) {
 }
 
 DeviceHandlerFailureIsolation::~DeviceHandlerFailureIsolation() {
@@ -68,10 +76,12 @@ ReturnValue_t DeviceHandlerFailureIsolation::eventReceived(EventMessage* event)
 		break;
 		//****Power*****
 	case PowerSwitchIF::SWITCH_WENT_OFF:
+		if(powerConfirmation != MessageQueueIF::NO_QUEUE) {
 			result = sendConfirmationRequest(event, powerConfirmation);
 			if (result == RETURN_OK) {
 				setFdirState(DEVICE_MIGHT_BE_OFF);
 			}
+		}
 		break;
 	case Fuse::FUSE_WENT_OFF:
 		//Not so good, because PCDU reacted.
@@ -133,7 +143,7 @@ void DeviceHandlerFailureIsolation::decrementFaultCounters() {
 
 void DeviceHandlerFailureIsolation::handleRecovery(Event reason) {
 	clearFaultCounters();
-	if (!recoveryCounter.incrementAndCheck()) {
+	if (not recoveryCounter.incrementAndCheck()) {
 		startRecovery(reason);
 	} else {
 		setFaulty(reason);
@@ -142,7 +152,8 @@ void DeviceHandlerFailureIsolation::handleRecovery(Event reason) {
 
 void DeviceHandlerFailureIsolation::wasParentsFault(EventMessage* event) {
 	//We'll better ignore the SWITCH_WENT_OFF event and await a system-wide reset.
-	//This means, no fault message will come through until a MODE_ or HEALTH_INFO message comes through -> Is that ok?
+	//This means, no fault message will come through until a MODE_ or
+	//HEALTH_INFO message comes through -> Is that ok?
 	//Same issue in TxFailureIsolation!
 //	if ((event->getEvent() == PowerSwitchIF::SWITCH_WENT_OFF)
 //			&& (fdirState != RECOVERY_ONGOING)) {
@@ -158,14 +169,16 @@ void DeviceHandlerFailureIsolation::clearFaultCounters() {
 ReturnValue_t DeviceHandlerFailureIsolation::initialize() {
 	ReturnValue_t result = FailureIsolationBase::initialize();
 	if (result != HasReturnvaluesIF::RETURN_OK) {
+		sif::error << "DeviceHandlerFailureIsolation::initialize: Could not"
+				" initialize FailureIsolationBase." << std::endl;
 		return result;
 	}
 	ConfirmsFailuresIF* power = objectManager->get<ConfirmsFailuresIF>(
 			powerConfirmationId);
-	if (power == NULL) {
-		return RETURN_FAILED;
-	}
+	if (power != nullptr) {
 		powerConfirmation = power->getEventReceptionQueue();
+	}
+
 	return RETURN_OK;
 }
 

devicehandlers/DeviceHandlerFailureIsolation.h

@@ -1,13 +1,13 @@
-#ifndef FRAMEWORK_DEVICEHANDLERS_DEVICEHANDLERFAILUREISOLATION_H_
-#define FRAMEWORK_DEVICEHANDLERS_DEVICEHANDLERFAILUREISOLATION_H_
+#ifndef FSFW_DEVICEHANDLERS_DEVICEHANDLERFAILUREISOLATION_H_
+#define FSFW_DEVICEHANDLERS_DEVICEHANDLERFAILUREISOLATION_H_
 
 #include "../fdir/FaultCounter.h"
 #include "../fdir/FailureIsolationBase.h"
+
 namespace Factory{
 void setStaticFrameworkObjectIds();
 }
 
-
 class DeviceHandlerFailureIsolation: public FailureIsolationBase {
 	friend void (Factory::setStaticFrameworkObjectIds)();
 	friend class Heater;
@@ -20,22 +20,27 @@ public:
 	virtual ReturnValue_t getParameter(uint8_t domainId, uint16_t parameterId,
 			ParameterWrapper *parameterWrapper,
 			const ParameterWrapper *newValues, uint16_t startAtIndex);
+
 protected:
 	FaultCounter strangeReplyCount;
 	FaultCounter missedReplyCount;
 	FaultCounter recoveryCounter;
+
 	enum FDIRState {
 		NONE, RECOVERY_ONGOING, DEVICE_MIGHT_BE_OFF, AWAIT_SHUTDOWN
 	};
 	FDIRState fdirState;
-	MessageQueueId_t powerConfirmation;
+
+	MessageQueueId_t powerConfirmation = MessageQueueIF::NO_QUEUE;
 	static object_id_t powerConfirmationId;
-	static const uint32_t MAX_REBOOT = 1;
-	static const uint32_t REBOOT_TIME_MS = 180000;
-	static const uint32_t MAX_STRANGE_REPLIES = 10;
-	static const uint32_t STRANGE_REPLIES_TIME_MS = 10000;
-	static const uint32_t MAX_MISSED_REPLY_COUNT = 5;
-	static const uint32_t MISSED_REPLY_TIME_MS = 10000;
+
+	static const uint32_t DEFAULT_MAX_REBOOT = 1;
+	static const uint32_t DEFAULT_REBOOT_TIME_MS = 180000;
+	static const uint32_t DEFAULT_MAX_STRANGE_REPLIES = 10;
+	static const uint32_t DEFAULT_STRANGE_REPLIES_TIME_MS = 10000;
+	static const uint32_t DEFAULT_MAX_MISSED_REPLY_COUNT = 5;
+	static const uint32_t DEFAULT_MISSED_REPLY_TIME_MS = 10000;
+
 	virtual ReturnValue_t eventReceived(EventMessage* event);
 	virtual void eventConfirmed(EventMessage* event);
 	void wasParentsFault(EventMessage* event);
@@ -49,4 +54,4 @@ protected:
 	bool isFdirInActionOrAreWeFaulty(EventMessage* event);
 };
 
-#endif /* FRAMEWORK_DEVICEHANDLERS_DEVICEHANDLERFAILUREISOLATION_H_ */
+#endif /* FSFW_DEVICEHANDLERS_DEVICEHANDLERFAILUREISOLATION_H_ */

events/EventManager.cpp

@@ -8,13 +8,16 @@
 const uint16_t EventManager::POOL_SIZES[N_POOLS] = {
 		sizeof(EventMatchTree::Node), sizeof(EventIdRangeMatcher),
 		sizeof(ReporterRangeMatcher) };
-//If one checks registerListener calls, there are around 40 (to max 50) objects registering for certain events.
-//Each listener requires 1 or 2 EventIdMatcher and 1 or 2 ReportRangeMatcher. So a good guess is 75 to a max of 100 pools required for each, which fits well.
+// If one checks registerListener calls, there are around 40 (to max 50)
+// objects registering for certain events.
+// Each listener requires 1 or 2 EventIdMatcher and 1 or 2 ReportRangeMatcher.
+// So a good guess is 75 to a max of 100 pools required for each, which fits well.
+// SHOULDDO: Shouldn't this be in the config folder and passed via ctor?
 const uint16_t EventManager::N_ELEMENTS[N_POOLS] = { 240, 120, 120 };
 
 EventManager::EventManager(object_id_t setObjectId) :
-		SystemObject(setObjectId), eventReportQueue(NULL), mutex(NULL), factoryBackend(
-				0, POOL_SIZES, N_ELEMENTS, false, true) {
+		SystemObject(setObjectId),
+		factoryBackend(0, POOL_SIZES, N_ELEMENTS, false, true) {
 	mutex = MutexFactory::instance()->createMutex();
 	eventReportQueue = QueueFactory::instance()->createMessageQueue(
 			MAX_EVENTS_PER_CYCLE, EventMessage::EVENT_MESSAGE_SIZE);
@@ -108,41 +111,45 @@ ReturnValue_t EventManager::unsubscribeFromEventRange(MessageQueueId_t listener,
 
 #ifdef DEBUG
 
-//forward declaration, should be implemented by mission
-const char* translateObject(object_id_t object);
-const char * translateEvents(Event event);
-
 void EventManager::printEvent(EventMessage* message) {
 	const char *string = 0;
 	switch (message->getSeverity()) {
 	case SEVERITY::INFO:
-//		string = translateObject(message->getReporter());
-//		sif::info << "EVENT: ";
-//		if (string != 0) {
-//			sif::info << string;
-//		} else {
-//			sif::info << "0x" << std::hex << message->getReporter() << std::dec;
-//		}
-//		sif::info << " reported " << translateEvents(message->getEvent()) << " ("
-//				<< std::dec << message->getEventId() << std::hex << ") P1: 0x"
-//				<< message->getParameter1() << " P2: 0x"
-//				<< message->getParameter2() << std::dec << std::endl;
-		break;
-	default:
+#ifdef DEBUG_INFO_EVENT
 		string = translateObject(message->getReporter());
-		sif::error << "EVENT: ";
+		sif::info << "EVENT: ";
 		if (string != 0) {
-			sif::error << string;
+			sif::info << string;
 		} else {
-			sif::error << "0x" << std::hex << message->getReporter() << std::dec;
+			sif::info << "0x" << std::hex << message->getReporter() << std::dec;
 		}
-		sif::error << " reported " << translateEvents(message->getEvent()) << " ("
+		sif::info << " reported " << translateEvents(message->getEvent()) << " ("
 				<< std::dec << message->getEventId() << std::hex << ") P1: 0x"
 				<< message->getParameter1() << " P2: 0x"
 				<< message->getParameter2() << std::dec << std::endl;
+#endif
+		break;
+	default:
+		string = translateObject(message->getReporter());
+		sif::debug << "EventManager: ";
+		if (string != 0) {
+			sif::debug << string;
+		}
+		else {
+			sif::debug << "0x" << std::hex << message->getReporter() << std::dec;
+		}
+		sif::debug << " reported " << translateEvents(message->getEvent())
+				<< " (" << std::dec << message->getEventId() << ") "
+				<< std::endl;
+
+		sif::debug << std::hex << "P1 Hex: 0x" << message->getParameter1()
+				<< ", P1 Dec: " << std::dec << message->getParameter1()
+				<< std::endl;
+		sif::debug << std::hex << "P2 Hex: 0x" << message->getParameter2()
+				<< ", P2 Dec: " <<  std::dec << message->getParameter2()
+				<< std::endl;
 		break;
 	}
-
 }
 #endif
 

events/EventManager.h

@@ -10,6 +10,12 @@
 #include "../ipc/MutexIF.h"
 #include <map>
 
+#ifdef DEBUG
+// forward declaration, should be implemented by mission
+extern const char* translateObject(object_id_t object);
+extern const char* translateEvents(Event event);
+#endif
+
 class EventManager: public EventManagerIF,
 		public ExecutableObjectIF,
 		public SystemObject {
@@ -36,11 +42,11 @@ public:
 	ReturnValue_t performOperation(uint8_t opCode);
 protected:
 
-	MessageQueueIF* eventReportQueue;
+	MessageQueueIF* eventReportQueue = nullptr;
 
 	std::map<MessageQueueId_t, EventMatchTree> listenerList;
 
-	MutexIF* mutex;
+	MutexIF* mutex = nullptr;
 
 	static const uint8_t N_POOLS = 3;
 	LocalPool<N_POOLS> factoryBackend;

fdir/FailureIsolationBase.cpp

@@ -5,10 +5,12 @@
 #include "../ipc/QueueFactory.h"
 #include "../objectmanager/ObjectManagerIF.h"
 
-FailureIsolationBase::FailureIsolationBase(object_id_t owner, object_id_t parent, uint8_t messageDepth, uint8_t parameterDomainBase) :
-		eventQueue(NULL), ownerId(
-				owner), owner(NULL), faultTreeParent(parent), parameterDomainBase(parameterDomainBase) {
-	eventQueue = QueueFactory::instance()->createMessageQueue(messageDepth, EventMessage::EVENT_MESSAGE_SIZE);
+FailureIsolationBase::FailureIsolationBase(object_id_t owner,
+		object_id_t parent, uint8_t messageDepth, uint8_t parameterDomainBase) :
+		ownerId(owner), faultTreeParent(parent),
+		parameterDomainBase(parameterDomainBase) {
+	eventQueue = QueueFactory::instance()->createMessageQueue(messageDepth,
+			EventMessage::EVENT_MESSAGE_SIZE);
 }
 
 FailureIsolationBase::~FailureIsolationBase() {
@@ -18,27 +20,36 @@ FailureIsolationBase::~FailureIsolationBase() {
 ReturnValue_t FailureIsolationBase::initialize() {
 	EventManagerIF* manager = objectManager->get<EventManagerIF>(
 			objects::EVENT_MANAGER);
-	if (manager == NULL) {
+	if (manager == nullptr) {
+		sif::error << "FailureIsolationBase::initialize: Event Manager has not"
+				" been initialized!" << std::endl;
 		return RETURN_FAILED;
 	}
 	ReturnValue_t result = manager->registerListener(eventQueue->getId());
 	if (result != HasReturnvaluesIF::RETURN_OK) {
 		return result;
 	}
-	if (ownerId != 0) {
+	if (ownerId != objects::NO_OBJECT) {
 		result = manager->subscribeToAllEventsFrom(eventQueue->getId(), ownerId);
 		if (result != HasReturnvaluesIF::RETURN_OK) {
 			return result;
 		}
 		owner = objectManager->get<HasHealthIF>(ownerId);
-		if (owner == NULL) {
-			return RETURN_FAILED;
+		if (owner == nullptr) {
+			sif::error << "FailureIsolationBase::intialize: Owner object "
+					"invalid. Make sure it implements HasHealthIF" << std::endl;
+			return ObjectManagerIF::CHILD_INIT_FAILED;
 		}
 	}
-	if (faultTreeParent != 0) {
+	if (faultTreeParent != objects::NO_OBJECT) {
 		ConfirmsFailuresIF* parentIF = objectManager->get<ConfirmsFailuresIF>(
 				faultTreeParent);
-		if (parentIF == NULL) {
+		if (parentIF == nullptr) {
+			sif::error << "FailureIsolationBase::intialize: Parent object"
+					<< "invalid." << std::endl;
+			sif::error << "Make sure it implements ConfirmsFailuresIF."
+					<< std::endl;
+			return ObjectManagerIF::CHILD_INIT_FAILED;
 			return RETURN_FAILED;
 		}
 		eventQueue->setDefaultDestination(parentIF->getEventReceptionQueue());
@@ -93,9 +104,9 @@ MessageQueueId_t FailureIsolationBase::getEventReceptionQueue() {
 ReturnValue_t FailureIsolationBase::sendConfirmationRequest(EventMessage* event,
 		MessageQueueId_t destination) {
 	event->setMessageId(EventMessage::CONFIRMATION_REQUEST);
-	if (destination != 0) {
+	if (destination != MessageQueueIF::NO_QUEUE) {
 		return eventQueue->sendMessage(destination, event);
-	} else if (faultTreeParent != 0) {
+	} else if (faultTreeParent != objects::NO_OBJECT) {
 		return eventQueue->sendToDefault(event);
 	}
 	return RETURN_FAILED;

fdir/FailureIsolationBase.h

@@ -17,18 +17,25 @@ public:
 	static const Event FDIR_CHANGED_STATE = MAKE_EVENT(1, SEVERITY::INFO); //!< FDIR has an internal state, which changed from par2 (oldState) to par1 (newState).
 	static const Event FDIR_STARTS_RECOVERY = MAKE_EVENT(2, SEVERITY::MEDIUM); //!< FDIR tries to restart device. Par1: event that caused recovery.
 	static const Event FDIR_TURNS_OFF_DEVICE = MAKE_EVENT(3, SEVERITY::MEDIUM); //!< FDIR turns off device. Par1: event that caused recovery.
-	FailureIsolationBase(object_id_t owner, object_id_t parent = 0,
+
+	FailureIsolationBase(object_id_t owner,
+			object_id_t parent = objects::NO_OBJECT,
 			uint8_t messageDepth = 10, uint8_t parameterDomainBase = 0xF0);
+
 	virtual ~FailureIsolationBase();
 	virtual ReturnValue_t initialize();
+
+	/**
+	 * This is called by the DHB in performOperation()
+	 */
 	void checkForFailures();
-	MessageQueueId_t getEventReceptionQueue();
+	MessageQueueId_t getEventReceptionQueue() override;
 	virtual void triggerEvent(Event event, uint32_t parameter1 = 0,
 			uint32_t parameter2 = 0);
 protected:
-	MessageQueueIF* eventQueue;
+	MessageQueueIF* eventQueue = nullptr;
 	object_id_t ownerId;
-	HasHealthIF* owner;
+	HasHealthIF* owner = nullptr;
 	object_id_t faultTreeParent;
 	uint8_t parameterDomainBase;
 	void setOwnerHealth(HasHealthIF::HealthState health);
@@ -38,7 +45,7 @@ protected:
 	virtual ReturnValue_t confirmFault(EventMessage* event);
 	virtual void decrementFaultCounters() = 0;
 	ReturnValue_t sendConfirmationRequest(EventMessage* event,
-			MessageQueueId_t destination = 0);
+			MessageQueueId_t destination = MessageQueueIF::NO_QUEUE);
 	void throwFdirEvent(Event event, uint32_t parameter1 = 0,
 			uint32_t parameter2 = 0);
 private:

objectmanager/ObjectManager.cpp

@@ -100,7 +100,6 @@ void ObjectManager::initialize() {
 }
 
 void ObjectManager::printList() {
-	std::map<object_id_t, SystemObjectIF*>::iterator it;
 	sif::debug << "ObjectManager: Object List contains:" << std::endl;
 	for (auto const& it : objectList) {
 		sif::debug << std::hex << it.first << " | " << it.second << std::endl;

osal/FreeRTOS/BinSemaphUsingTask.cpp

@@ -0,0 +1,95 @@
+#include "../../osal/FreeRTOS/BinSemaphUsingTask.h"
+#include "../../osal/FreeRTOS/TaskManagement.h"
+#include "../../serviceinterface/ServiceInterfaceStream.h"
+
+BinarySemaphoreUsingTask::BinarySemaphoreUsingTask() {
+	handle = TaskManagement::getCurrentTaskHandle();
+	if(handle == nullptr) {
+		sif::error << "Could not retrieve task handle. Please ensure the"
+				"constructor was called inside a task." << std::endl;
+	}
+	xTaskNotifyGive(handle);
+}
+
+BinarySemaphoreUsingTask::~BinarySemaphoreUsingTask() {
+	// Clear notification value on destruction.
+	xTaskNotifyAndQuery(handle, 0, eSetValueWithOverwrite, nullptr);
+}
+
+ReturnValue_t BinarySemaphoreUsingTask::acquire(TimeoutType timeoutType,
+        uint32_t timeoutMs) {
+    TickType_t timeout = 0;
+    if(timeoutType == TimeoutType::POLLING) {
+        timeout = 0;
+    }
+    else if(timeoutType == TimeoutType::WAITING){
+        timeout = pdMS_TO_TICKS(timeoutMs);
+    }
+    else {
+        timeout = portMAX_DELAY;
+    }
+	return acquireWithTickTimeout(timeoutType, timeout);
+}
+
+ReturnValue_t BinarySemaphoreUsingTask::acquireWithTickTimeout(
+        TimeoutType timeoutType, TickType_t timeoutTicks) {
+	BaseType_t returncode = ulTaskNotifyTake(pdTRUE, timeoutTicks);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+	else {
+		return SemaphoreIF::SEMAPHORE_TIMEOUT;
+	}
+}
+
+ReturnValue_t BinarySemaphoreUsingTask::release() {
+	return release(this->handle);
+}
+
+ReturnValue_t BinarySemaphoreUsingTask::release(
+		TaskHandle_t taskHandle) {
+	if(getSemaphoreCounter(taskHandle) == 1) {
+		return SemaphoreIF::SEMAPHORE_NOT_OWNED;
+	}
+	BaseType_t returncode = xTaskNotifyGive(taskHandle);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+	else {
+		// This should never happen.
+		return HasReturnvaluesIF::RETURN_FAILED;
+	}
+}
+
+TaskHandle_t BinarySemaphoreUsingTask::getTaskHandle() {
+	return handle;
+}
+
+uint8_t BinarySemaphoreUsingTask::getSemaphoreCounter() const {
+	return getSemaphoreCounter(this->handle);
+}
+
+uint8_t BinarySemaphoreUsingTask::getSemaphoreCounter(
+		TaskHandle_t taskHandle) {
+	uint32_t notificationValue;
+	xTaskNotifyAndQuery(taskHandle, 0, eNoAction, &notificationValue);
+	return notificationValue;
+}
+
+// Be careful with the stack size here. This is called from an ISR!
+ReturnValue_t BinarySemaphoreUsingTask::releaseFromISR(
+		TaskHandle_t taskHandle, BaseType_t * higherPriorityTaskWoken) {
+	if(getSemaphoreCounterFromISR(taskHandle, higherPriorityTaskWoken) == 1) {
+		return SemaphoreIF::SEMAPHORE_NOT_OWNED;
+	}
+	vTaskNotifyGiveFromISR(taskHandle, higherPriorityTaskWoken);
+	return HasReturnvaluesIF::RETURN_OK;
+}
+
+uint8_t BinarySemaphoreUsingTask::getSemaphoreCounterFromISR(
+		TaskHandle_t taskHandle, BaseType_t* higherPriorityTaskWoken) {
+	uint32_t notificationValue = 0;
+	xTaskNotifyAndQueryFromISR(taskHandle, 0, eNoAction, &notificationValue,
+			higherPriorityTaskWoken);
+	return notificationValue;
+}

osal/FreeRTOS/BinSemaphUsingTask.h

@@ -0,0 +1,76 @@
+#ifndef FRAMEWORK_OSAL_FREERTOS_BINSEMAPHUSINGTASK_H_
+#define FRAMEWORK_OSAL_FREERTOS_BINSEMAPHUSINGTASK_H_
+
+#include "../../returnvalues/HasReturnvaluesIF.h"
+#include "../../tasks/SemaphoreIF.h"
+
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+
+/**
+ * @brief 	Binary Semaphore implementation using the task notification value.
+ * 			The notification value should therefore not be used
+ * 			for other purposes.
+ * @details
+ * Additional information: https://www.freertos.org/RTOS-task-notifications.html
+ * and general semaphore documentation.
+ */
+class BinarySemaphoreUsingTask: public SemaphoreIF,
+		public HasReturnvaluesIF {
+public:
+	static const uint8_t INTERFACE_ID = CLASS_ID::SEMAPHORE_IF;
+
+	//! @brief Default ctor
+	BinarySemaphoreUsingTask();
+	//! @brief Default dtor
+	virtual~ BinarySemaphoreUsingTask();
+
+	ReturnValue_t acquire(TimeoutType timeoutType = TimeoutType::BLOCKING,
+	        uint32_t timeoutMs = portMAX_DELAY) override;
+	ReturnValue_t release() override;
+	uint8_t getSemaphoreCounter() const override;
+	static uint8_t getSemaphoreCounter(TaskHandle_t taskHandle);
+	static uint8_t getSemaphoreCounterFromISR(TaskHandle_t taskHandle,
+			BaseType_t* higherPriorityTaskWoken);
+
+	/**
+	 * Same as acquire() with timeout in FreeRTOS ticks.
+	 * @param timeoutTicks
+	 * @return - @c RETURN_OK on success
+	 *         - @c RETURN_FAILED on failure
+	 */
+	ReturnValue_t acquireWithTickTimeout(
+	        TimeoutType timeoutType = TimeoutType::BLOCKING,
+	        TickType_t timeoutTicks = portMAX_DELAY);
+
+	/**
+	 * Get handle to the task related to the semaphore.
+	 * @return
+	 */
+	TaskHandle_t getTaskHandle();
+
+	 /**
+	 * Wrapper function to give back semaphore from handle
+	 * @param semaphore
+	 * @return - @c RETURN_OK on success
+	 *         - @c RETURN_FAILED on failure
+	 */
+	static ReturnValue_t release(TaskHandle_t taskToNotify);
+
+	/**
+	 * Wrapper function to give back semaphore from handle when called from an ISR
+	 * @param semaphore
+	 * @param higherPriorityTaskWoken This will be set to pdPASS if a task with
+	 * a higher priority was unblocked. A context switch should be requested
+	 * from an ISR if this is the case (see TaskManagement functions)
+	 * @return - @c RETURN_OK on success
+	 *         - @c RETURN_FAILED on failure
+	 */
+	static ReturnValue_t releaseFromISR(TaskHandle_t taskToNotify,
+				BaseType_t * higherPriorityTaskWoken);
+
+protected:
+	TaskHandle_t handle;
+};
+
+#endif /* FRAMEWORK_OSAL_FREERTOS_BINSEMAPHUSINGTASK_H_ */

osal/FreeRTOS/BinarySemaphore.cpp

@@ -0,0 +1,108 @@
+#include "../../osal/FreeRTOS/BinarySemaphore.h"
+#include "../../osal/FreeRTOS/TaskManagement.h"
+#include "../../serviceinterface/ServiceInterfaceStream.h"
+
+BinarySemaphore::BinarySemaphore() {
+	handle = xSemaphoreCreateBinary();
+	if(handle == nullptr) {
+		sif::error << "Semaphore: Binary semaph creation failure" << std::endl;
+	}
+	// Initiated semaphore must be given before it can be taken.
+	xSemaphoreGive(handle);
+}
+
+BinarySemaphore::~BinarySemaphore() {
+	vSemaphoreDelete(handle);
+}
+
+BinarySemaphore::BinarySemaphore(BinarySemaphore&& s) {
+    handle = xSemaphoreCreateBinary();
+    if(handle == nullptr) {
+        sif::error << "Binary semaphore creation failure" << std::endl;
+    }
+    xSemaphoreGive(handle);
+}
+
+BinarySemaphore& BinarySemaphore::operator =(
+        BinarySemaphore&& s) {
+    if(&s != this) {
+        handle = xSemaphoreCreateBinary();
+        if(handle == nullptr) {
+            sif::error << "Binary semaphore creation failure" << std::endl;
+        }
+        xSemaphoreGive(handle);
+    }
+    return *this;
+}
+
+ReturnValue_t BinarySemaphore::acquire(TimeoutType timeoutType,
+        uint32_t timeoutMs) {
+    TickType_t timeout = 0;
+	if(timeoutType == TimeoutType::POLLING) {
+	    timeout = 0;
+	}
+	else if(timeoutType == TimeoutType::WAITING){
+	    timeout = pdMS_TO_TICKS(timeoutMs);
+	}
+	else {
+	    timeout = portMAX_DELAY;
+	}
+	return acquireWithTickTimeout(timeoutType, timeout);
+}
+
+ReturnValue_t BinarySemaphore::acquireWithTickTimeout(TimeoutType timeoutType,
+        TickType_t timeoutTicks) {
+	if(handle == nullptr) {
+		return SemaphoreIF::SEMAPHORE_INVALID;
+	}
+
+	BaseType_t returncode = xSemaphoreTake(handle, timeoutTicks);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+	else {
+		return SemaphoreIF::SEMAPHORE_TIMEOUT;
+	}
+}
+
+ReturnValue_t BinarySemaphore::release() {
+	return release(handle);
+}
+
+ReturnValue_t BinarySemaphore::release(SemaphoreHandle_t semaphore) {
+	if (semaphore == nullptr) {
+		return SemaphoreIF::SEMAPHORE_INVALID;
+	}
+	BaseType_t returncode = xSemaphoreGive(semaphore);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+	else {
+		return SemaphoreIF::SEMAPHORE_NOT_OWNED;
+	}
+}
+
+uint8_t BinarySemaphore::getSemaphoreCounter() const {
+	return uxSemaphoreGetCount(handle);
+}
+
+SemaphoreHandle_t BinarySemaphore::getSemaphore() {
+	return handle;
+}
+
+
+// Be careful with the stack size here. This is called from an ISR!
+ReturnValue_t BinarySemaphore::releaseFromISR(
+		SemaphoreHandle_t semaphore, BaseType_t * higherPriorityTaskWoken) {
+	if (semaphore == nullptr) {
+		return SemaphoreIF::SEMAPHORE_INVALID;
+	}
+	BaseType_t returncode = xSemaphoreGiveFromISR(semaphore,
+			higherPriorityTaskWoken);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+	else {
+		return SemaphoreIF::SEMAPHORE_NOT_OWNED;
+	}
+}

osal/FreeRTOS/BinarySemaphore.h

@@ -0,0 +1,107 @@
+#ifndef FRAMEWORK_OSAL_FREERTOS_BINARYSEMPAHORE_H_
+#define FRAMEWORK_OSAL_FREERTOS_BINARYSEMPAHORE_H_
+
+#include "../../returnvalues/HasReturnvaluesIF.h"
+#include "../../tasks/SemaphoreIF.h"
+
+#include <freertos/FreeRTOS.h>
+#include <freertos/semphr.h>
+
+/**
+ * @brief 	OS Tool to achieve synchronization of between tasks or between
+ * 			task and ISR. The default semaphore implementation creates a
+ * 			binary semaphore, which can only be taken once.
+ * @details
+ * Documentation: https://www.freertos.org/Embedded-RTOS-Binary-Semaphores.html
+ *
+ * Please note that if the semaphore implementation is only related to
+ * the synchronization of one task, the new task notifications can be used,
+ * also see the BinSemaphUsingTask and CountingSemaphUsingTask classes.
+ * These use the task notification value instead of a queue and are
+ * faster and more efficient.
+ *
+ * @author 	R. Mueller
+ * @ingroup osal
+ */
+class BinarySemaphore: public SemaphoreIF,
+		public HasReturnvaluesIF {
+public:
+	static const uint8_t INTERFACE_ID = CLASS_ID::SEMAPHORE_IF;
+
+	//! @brief Default ctor
+	BinarySemaphore();
+	//! @brief Copy ctor, deleted explicitely.
+	BinarySemaphore(const BinarySemaphore&) = delete;
+	//! @brief Copy assignment, deleted explicitely.
+	BinarySemaphore& operator=(const BinarySemaphore&) = delete;
+	//! @brief Move ctor
+	BinarySemaphore (BinarySemaphore &&);
+	//! @brief Move assignment
+	BinarySemaphore & operator=(BinarySemaphore &&);
+	//! @brief Destructor
+	virtual ~BinarySemaphore();
+
+	uint8_t getSemaphoreCounter() const override;
+
+	/**
+	 * Take the binary semaphore.
+	 * If the semaphore has already been taken, the task will be blocked
+	 * for a maximum of #timeoutMs or until the semaphore is given back,
+	 * for example by an ISR or another task.
+	 * @param timeoutMs
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_TIMEOUT on timeout
+	 */
+	ReturnValue_t acquire(TimeoutType timeoutType =
+            TimeoutType::BLOCKING, uint32_t timeoutMs = portMAX_DELAY) override;
+
+	/**
+	 * Same as lockBinarySemaphore() with timeout in FreeRTOS ticks.
+	 * @param timeoutTicks
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_TIMEOUT on timeout
+	 */
+	ReturnValue_t  acquireWithTickTimeout(TimeoutType timeoutType =
+            TimeoutType::BLOCKING, TickType_t timeoutTicks = portMAX_DELAY);
+
+	/**
+	 * Release the binary semaphore.
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_NOT_OWNED if the semaphores is
+	 *         	already available.
+	 */
+	ReturnValue_t release() override;
+
+	/**
+	 * Get Handle to the semaphore.
+	 * @return
+	 */
+	SemaphoreHandle_t getSemaphore();
+
+	 /**
+	 * Wrapper function to give back semaphore from handle
+	 * @param semaphore
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_NOT_OWNED if the semaphores is
+	 *         	already available.
+	 */
+	static ReturnValue_t release(SemaphoreHandle_t semaphore);
+
+	/**
+	 * Wrapper function to give back semaphore from handle when called from an ISR
+	 * @param semaphore
+	 * @param higherPriorityTaskWoken This will be set to pdPASS if a task with
+	 * a higher priority was unblocked. A context switch from an ISR should
+	 * then be requested (see TaskManagement functions)
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_NOT_OWNED if the semaphores is
+	 *         	already available.
+	 */
+	static ReturnValue_t releaseFromISR(SemaphoreHandle_t semaphore,
+				BaseType_t * higherPriorityTaskWoken);
+
+protected:
+	SemaphoreHandle_t handle;
+};
+
+#endif /* FRAMEWORK_OSAL_FREERTOS_BINARYSEMPAHORE_H_ */

osal/FreeRTOS/CountingSemaphUsingTask.cpp

@@ -0,0 +1,114 @@
+#include "../../osal/FreeRTOS/CountingSemaphUsingTask.h"
+#include "../../osal/FreeRTOS/TaskManagement.h"
+#include "../../serviceinterface/ServiceInterfaceStream.h"
+
+CountingSemaphoreUsingTask::CountingSemaphoreUsingTask(const uint8_t maxCount,
+		uint8_t initCount): maxCount(maxCount) {
+	if(initCount > maxCount) {
+		sif::error << "CountingSemaphoreUsingTask: Max count bigger than "
+				"intial cout. Setting initial count to max count." << std::endl;
+		initCount = maxCount;
+	}
+
+	handle = TaskManagement::getCurrentTaskHandle();
+	if(handle == nullptr) {
+		sif::error << "CountingSemaphoreUsingTask: Could not retrieve task "
+				"handle. Please ensure the constructor was called inside a "
+				"task." << std::endl;
+	}
+
+	uint32_t oldNotificationValue;
+	xTaskNotifyAndQuery(handle, 0, eSetValueWithOverwrite,
+			&oldNotificationValue);
+	if(oldNotificationValue != 0) {
+		sif::warning << "CountinSemaphoreUsingTask: Semaphore initiated but "
+				"current notification value is not 0. Please ensure the "
+				"notification value is not used for other purposes!" << std::endl;
+	}
+	for(int i = 0; i < initCount; i++) {
+		xTaskNotifyGive(handle);
+	}
+}
+
+CountingSemaphoreUsingTask::~CountingSemaphoreUsingTask() {
+	// Clear notification value on destruction.
+	// If this is not desired, don't call the destructor
+	// (or implement a boolean which disables the reset)
+	xTaskNotifyAndQuery(handle, 0, eSetValueWithOverwrite, nullptr);
+}
+
+ReturnValue_t CountingSemaphoreUsingTask::acquire(TimeoutType timeoutType,
+        uint32_t timeoutMs) {
+    TickType_t timeout = 0;
+    if(timeoutType == TimeoutType::POLLING) {
+        timeout = 0;
+    }
+    else if(timeoutType == TimeoutType::WAITING){
+        timeout = pdMS_TO_TICKS(timeoutMs);
+    }
+    else {
+        timeout = portMAX_DELAY;
+    }
+    return acquireWithTickTimeout(timeoutType, timeout);
+
+}
+
+ReturnValue_t CountingSemaphoreUsingTask::acquireWithTickTimeout(
+        TimeoutType timeoutType, TickType_t timeoutTicks) {
+	// Decrement notfication value without resetting it.
+	BaseType_t oldCount = ulTaskNotifyTake(pdFALSE, timeoutTicks);
+	if (getSemaphoreCounter() == oldCount - 1) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+	else {
+		return SemaphoreIF::SEMAPHORE_TIMEOUT;
+	}
+}
+
+ReturnValue_t CountingSemaphoreUsingTask::release() {
+	if(getSemaphoreCounter() == maxCount) {
+		return SemaphoreIF::SEMAPHORE_NOT_OWNED;
+	}
+	return release(handle);
+}
+
+ReturnValue_t CountingSemaphoreUsingTask::release(
+		TaskHandle_t taskToNotify) {
+	BaseType_t returncode = xTaskNotifyGive(taskToNotify);
+	if (returncode == pdPASS) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+	else {
+		// This should never happen.
+		return HasReturnvaluesIF::RETURN_FAILED;
+	}
+}
+
+
+uint8_t CountingSemaphoreUsingTask::getSemaphoreCounter() const {
+	uint32_t notificationValue = 0;
+	xTaskNotifyAndQuery(handle, 0, eNoAction, &notificationValue);
+	return notificationValue;
+}
+
+TaskHandle_t CountingSemaphoreUsingTask::getTaskHandle() {
+	return handle;
+}
+
+ReturnValue_t CountingSemaphoreUsingTask::releaseFromISR(
+		TaskHandle_t taskToNotify, BaseType_t* higherPriorityTaskWoken) {
+	vTaskNotifyGiveFromISR(taskToNotify, higherPriorityTaskWoken);
+	return HasReturnvaluesIF::RETURN_OK;
+}
+
+uint8_t CountingSemaphoreUsingTask::getSemaphoreCounterFromISR(
+		TaskHandle_t task, BaseType_t* higherPriorityTaskWoken) {
+	uint32_t notificationValue;
+	xTaskNotifyAndQueryFromISR(task, 0, eNoAction, &notificationValue,
+			higherPriorityTaskWoken);
+	return notificationValue;
+}
+
+uint8_t CountingSemaphoreUsingTask::getMaxCount() const {
+	return maxCount;
+}

osal/FreeRTOS/CountingSemaphUsingTask.h

@@ -0,0 +1,102 @@
+#ifndef FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHUSINGTASK_H_
+#define FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHUSINGTASK_H_
+
+#include "../../osal/FreeRTOS/CountingSemaphUsingTask.h"
+#include "../../tasks/SemaphoreIF.h"
+
+extern "C" {
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+}
+
+/**
+ * @brief 	Couting Semaphore implementation which uses the notification value
+ * 			of the task. The notification value should therefore not be used
+ * 			for other purposes.
+ * @details
+ *  Additional information: https://www.freertos.org/RTOS-task-notifications.html
+ *  and general semaphore documentation.
+ */
+class CountingSemaphoreUsingTask: public SemaphoreIF {
+public:
+	CountingSemaphoreUsingTask(const uint8_t maxCount, uint8_t initCount);
+	virtual ~CountingSemaphoreUsingTask();
+
+	/**
+	 * Acquire the counting semaphore.
+	 * If no semaphores are available, the task will be blocked
+	 * for a maximum of #timeoutMs or until one is given back,
+	 * for example by an ISR or another task.
+	 * @param timeoutMs
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_TIMEOUT on timeout
+	 */
+	ReturnValue_t acquire(TimeoutType timeoutType = TimeoutType::BLOCKING,
+	        uint32_t timeoutMs = portMAX_DELAY) override;
+
+	/**
+	 * Release a semaphore, increasing the number of available counting
+	 * semaphores up to the #maxCount value.
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_NOT_OWNED if #maxCount semaphores are
+	 *         	already available.
+	 */
+	ReturnValue_t release() override;
+
+	uint8_t getSemaphoreCounter() const override;
+	/**
+	 * Get the semaphore counter from an ISR.
+	 * @param task
+	 * @param higherPriorityTaskWoken This will be set to pdPASS if a task with
+	 * a higher priority was unblocked. A context switch should be requested
+	 * from an ISR if this is the case (see TaskManagement functions)
+	 * @return
+	 */
+	static uint8_t getSemaphoreCounterFromISR(TaskHandle_t task,
+			BaseType_t* higherPriorityTaskWoken);
+
+	/**
+	 * Acquire with a timeout value in ticks
+	 * @param timeoutTicks
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_TIMEOUT on timeout
+	 */
+	ReturnValue_t acquireWithTickTimeout(
+	        TimeoutType timeoutType = TimeoutType::BLOCKING,
+			TickType_t timeoutTicks = portMAX_DELAY);
+
+	/**
+	 * Get handle to the task related to the semaphore.
+	 * @return
+	 */
+	TaskHandle_t getTaskHandle();
+
+	/**
+	 * Release semaphore of task by supplying task handle
+	 * @param taskToNotify
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_NOT_OWNED if #maxCount semaphores are
+	 *         	already available.
+	 */
+	static ReturnValue_t release(TaskHandle_t taskToNotify);
+	/**
+	 * Release seamphore of a task from an ISR.
+	 * @param taskToNotify
+	 * @param higherPriorityTaskWoken This will be set to pdPASS if a task with
+	 * a higher priority was unblocked. A context switch should be requested
+	 * from an ISR if this is the case (see TaskManagement functions)
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_NOT_OWNED if #maxCount semaphores are
+	 *         	already available.
+	 */
+	static ReturnValue_t releaseFromISR(TaskHandle_t taskToNotify,
+			BaseType_t* higherPriorityTaskWoken);
+
+	uint8_t getMaxCount() const;
+
+private:
+	TaskHandle_t handle;
+	const uint8_t maxCount;
+};
+
+#endif /* FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHUSINGTASK_H_ */

osal/FreeRTOS/CountingSemaphore.cpp

@@ -0,0 +1,43 @@
+#include "../../osal/FreeRTOS/CountingSemaphore.h"
+#include "../../serviceinterface/ServiceInterfaceStream.h"
+#include "../../osal/FreeRTOS/TaskManagement.h"
+
+#include <freertos/semphr.h>
+
+// Make sure #define configUSE_COUNTING_SEMAPHORES 1 is set in
+// free FreeRTOSConfig.h file.
+CountingSemaphore::CountingSemaphore(const uint8_t maxCount, uint8_t initCount):
+		maxCount(maxCount), initCount(initCount) {
+	if(initCount > maxCount) {
+		sif::error << "CountingSemaphoreUsingTask: Max count bigger than "
+				"intial cout. Setting initial count to max count." << std::endl;
+		initCount = maxCount;
+	}
+
+	handle = xSemaphoreCreateCounting(maxCount, initCount);
+	if(handle == nullptr) {
+		sif::error << "CountingSemaphore: Creation failure" << std::endl;
+	}
+}
+
+CountingSemaphore::CountingSemaphore(CountingSemaphore&& other):
+		maxCount(other.maxCount), initCount(other.initCount) {
+	handle = xSemaphoreCreateCounting(other.maxCount, other.initCount);
+	if(handle == nullptr) {
+		sif::error << "CountingSemaphore: Creation failure" << std::endl;
+	}
+}
+
+CountingSemaphore& CountingSemaphore::operator =(
+		CountingSemaphore&& other) {
+	handle = xSemaphoreCreateCounting(other.maxCount, other.initCount);
+	if(handle == nullptr) {
+		sif::error << "CountingSemaphore: Creation failure" << std::endl;
+	}
+	return * this;
+}
+
+
+uint8_t CountingSemaphore::getMaxCount() const {
+	return maxCount;
+}

osal/FreeRTOS/CountingSemaphore.h

@@ -0,0 +1,34 @@
+#ifndef FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHORE_H_
+#define FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHORE_H_
+#include "../../osal/FreeRTOS/BinarySemaphore.h"
+
+/**
+ * @brief 	Counting semaphores, which can be acquire more than once.
+ * @details
+ * See: https://www.freertos.org/CreateCounting.html
+ * API of counting semaphores is almost identical to binary semaphores,
+ * so we just inherit from binary semaphore and provide the respective
+ * constructors.
+ */
+class CountingSemaphore: public BinarySemaphore {
+public:
+	CountingSemaphore(const uint8_t maxCount, uint8_t initCount);
+	//! @brief Copy ctor, disabled
+	CountingSemaphore(const CountingSemaphore&) = delete;
+	//! @brief Copy assignment, disabled
+	CountingSemaphore& operator=(const CountingSemaphore&) = delete;
+	//! @brief Move ctor
+	CountingSemaphore (CountingSemaphore &&);
+	//! @brief Move assignment
+	CountingSemaphore & operator=(CountingSemaphore &&);
+
+	/* Same API as binary semaphore otherwise. acquire() can be called
+	 * until there are not semaphores left and release() can be called
+	 * until maxCount is reached. */
+	uint8_t getMaxCount() const;
+private:
+	const uint8_t maxCount;
+	uint8_t initCount = 0;
+};
+
+#endif /* FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHORE_H_ */

osal/FreeRTOS/SemaphoreFactory.cpp

@@ -0,0 +1,59 @@
+#include "../../osal/FreeRTOS/BinarySemaphore.h"
+#include "../../osal/FreeRTOS/BinSemaphUsingTask.h"
+#include "../../osal/FreeRTOS/CountingSemaphore.h"
+#include "../../osal/FreeRTOS/CountingSemaphUsingTask.h"
+#include "../../tasks/SemaphoreFactory.h"
+#include "../../serviceinterface/ServiceInterfaceStream.h"
+
+SemaphoreFactory* SemaphoreFactory::factoryInstance = nullptr;
+
+static const uint32_t USE_REGULAR_SEMAPHORES = 0;
+static const uint32_t USE_TASK_NOTIFICATIONS = 1;
+
+SemaphoreFactory::SemaphoreFactory() {
+}
+
+SemaphoreFactory::~SemaphoreFactory() {
+	delete factoryInstance;
+}
+
+SemaphoreFactory* SemaphoreFactory::instance() {
+	if (factoryInstance == nullptr){
+		factoryInstance = new SemaphoreFactory();
+	}
+	return SemaphoreFactory::factoryInstance;
+}
+
+SemaphoreIF* SemaphoreFactory::createBinarySemaphore(uint32_t argument) {
+	if(argument == USE_REGULAR_SEMAPHORES) {
+		return new BinarySemaphore();
+	}
+	else if(argument == USE_TASK_NOTIFICATIONS) {
+		return new BinarySemaphoreUsingTask();
+	}
+	else {
+		sif::warning << "SemaphoreFactory: Invalid argument, return regular"
+				"binary semaphore" << std::endl;
+		return new BinarySemaphore();
+	}
+}
+
+SemaphoreIF* SemaphoreFactory::createCountingSemaphore(uint8_t maxCount,
+		uint8_t initCount, uint32_t argument) {
+	if(argument == USE_REGULAR_SEMAPHORES) {
+		return new CountingSemaphore(maxCount, initCount);
+	}
+	else if(argument == USE_TASK_NOTIFICATIONS) {
+		return new CountingSemaphoreUsingTask(maxCount, initCount);
+	}
+	else {
+		sif::warning << "SemaphoreFactory: Invalid argument, return regular"
+						"binary semaphore" << std::endl;
+		return new CountingSemaphore(maxCount, initCount);
+	}
+
+}
+
+void SemaphoreFactory::deleteSemaphore(SemaphoreIF* semaphore) {
+	delete semaphore;
+}

osal/linux/BinarySemaphore.cpp

@@ -0,0 +1,149 @@
+#include "../../osal/linux/BinarySemaphore.h"
+#include "../../serviceinterface/ServiceInterfaceStream.h"
+
+extern "C" {
+#include <errno.h>
+#include <string.h>
+}
+
+BinarySemaphore::BinarySemaphore() {
+	// Using unnamed semaphores for now
+	initSemaphore();
+}
+
+BinarySemaphore::~BinarySemaphore() {
+	sem_destroy(&handle);
+}
+
+BinarySemaphore::BinarySemaphore(BinarySemaphore&& s) {
+	initSemaphore();
+}
+
+BinarySemaphore& BinarySemaphore::operator =(
+        BinarySemaphore&& s) {
+	initSemaphore();
+	return * this;
+}
+
+ReturnValue_t BinarySemaphore::acquire(TimeoutType timeoutType,
+		 uint32_t timeoutMs) {
+	int result = 0;
+	if(timeoutType == TimeoutType::POLLING) {
+		result = sem_trywait(&handle);
+	}
+	else if(timeoutType == TimeoutType::BLOCKING) {
+	    result = sem_wait(&handle);
+	}
+	else if(timeoutType == TimeoutType::WAITING){
+		timespec timeOut;
+		clock_gettime(CLOCK_REALTIME, &timeOut);
+		uint64_t nseconds = timeOut.tv_sec * 1000000000 + timeOut.tv_nsec;
+		nseconds += timeoutMs * 1000000;
+		timeOut.tv_sec = nseconds / 1000000000;
+		timeOut.tv_nsec = nseconds - timeOut.tv_sec * 1000000000;
+	    result = sem_timedwait(&handle, &timeOut);
+	    if(result != 0 and errno == EINVAL) {
+	    	sif::debug << "BinarySemaphore::acquire: Invalid time value possible"
+	    			<< std::endl;
+	    }
+	}
+	if(result == 0) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+
+	switch(errno) {
+	case(EAGAIN):
+		// Operation could not be performed without blocking (for sem_trywait)
+	case(ETIMEDOUT):
+		// Semaphore is 0
+		return SemaphoreIF::SEMAPHORE_TIMEOUT;
+	case(EINVAL):
+		// Semaphore invalid
+		return SemaphoreIF::SEMAPHORE_INVALID;
+	case(EINTR):
+		// Call was interrupted by signal handler
+		sif::debug << "BinarySemaphore::acquire: Signal handler interrupted."
+				"Code " << strerror(errno) << std::endl;
+		/* No break */
+	default:
+		return HasReturnvaluesIF::RETURN_FAILED;
+	}
+}
+
+ReturnValue_t BinarySemaphore::release() {
+	return BinarySemaphore::release(&this->handle);
+}
+
+ReturnValue_t BinarySemaphore::release(sem_t *handle) {
+	ReturnValue_t countResult = checkCount(handle, 1);
+	if(countResult != HasReturnvaluesIF::RETURN_OK) {
+		return countResult;
+	}
+
+	int result = sem_post(handle);
+	if(result == 0) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+
+	switch(errno) {
+	case(EINVAL):
+		// Semaphore invalid
+		return SemaphoreIF::SEMAPHORE_INVALID;
+	case(EOVERFLOW):
+		// SEM_MAX_VALUE overflow. This should never happen
+	default:
+		return HasReturnvaluesIF::RETURN_FAILED;
+	}
+}
+
+uint8_t BinarySemaphore::getSemaphoreCounter() const {
+	// And another ugly cast :-D
+	return getSemaphoreCounter(const_cast<sem_t*>(&this->handle));
+}
+
+uint8_t BinarySemaphore::getSemaphoreCounter(sem_t *handle) {
+	int value = 0;
+	int result = sem_getvalue(handle, &value);
+	if (result == 0) {
+		return value;
+	}
+	else if(result != 0 and errno == EINVAL) {
+		// Could be called from interrupt, use lightweight printf
+		printf("BinarySemaphore::getSemaphoreCounter: Invalid semaphore\n");
+		return 0;
+	}
+	else {
+		// This should never happen.
+		return 0;
+	}
+}
+
+void BinarySemaphore::initSemaphore(uint8_t initCount) {
+	auto result = sem_init(&handle, true, initCount);
+	if(result == -1) {
+		switch(errno) {
+		case(EINVAL):
+			// Value exceeds SEM_VALUE_MAX
+		case(ENOSYS):
+		// System does not support process-shared semaphores
+		sif::error << "BinarySemaphore: Init failed with" << strerror(errno)
+				<< std::endl;
+		}
+	}
+}
+
+ReturnValue_t BinarySemaphore::checkCount(sem_t* handle, uint8_t maxCount) {
+	int value = getSemaphoreCounter(handle);
+	if(value >= maxCount) {
+		if(maxCount == 1 and value > 1) {
+			// Binary Semaphore special case.
+			// This is a config error use lightweight printf is this is called
+			// from an interrupt
+			printf("BinarySemaphore::release: Value of binary semaphore greater"
+					" than 1!\n");
+			return HasReturnvaluesIF::RETURN_FAILED;
+		}
+		return SemaphoreIF::SEMAPHORE_NOT_OWNED;
+	}
+	return HasReturnvaluesIF::RETURN_OK;
+}

osal/linux/BinarySemaphore.h

@@ -0,0 +1,81 @@
+#ifndef FRAMEWORK_OSAL_LINUX_BINARYSEMPAHORE_H_
+#define FRAMEWORK_OSAL_LINUX_BINARYSEMPAHORE_H_
+
+#include "../../returnvalues/HasReturnvaluesIF.h"
+#include "../../tasks/SemaphoreIF.h"
+
+extern "C" {
+#include <semaphore.h>
+}
+
+/**
+ * @brief 	OS Tool to achieve synchronization of between tasks or between
+ * 			task and ISR. The default semaphore implementation creates a
+ * 			binary semaphore, which can only be taken once.
+ * @details
+ * See: http://www.man7.org/linux/man-pages/man7/sem_overview.7.html
+ * @author 	R. Mueller
+ * @ingroup osal
+ */
+class BinarySemaphore: public SemaphoreIF,
+		public HasReturnvaluesIF {
+public:
+	static const uint8_t INTERFACE_ID = CLASS_ID::SEMAPHORE_IF;
+
+	//! @brief Default ctor
+	BinarySemaphore();
+	//! @brief Copy ctor, deleted explicitely.
+	BinarySemaphore(const BinarySemaphore&) = delete;
+	//! @brief Copy assignment, deleted explicitely.
+	BinarySemaphore& operator=(const BinarySemaphore&) = delete;
+	//! @brief Move ctor
+	BinarySemaphore (BinarySemaphore &&);
+	//! @brief Move assignment
+	BinarySemaphore & operator=(BinarySemaphore &&);
+	//! @brief Destructor
+	virtual ~BinarySemaphore();
+
+	void initSemaphore(uint8_t initCount = 1);
+
+	uint8_t getSemaphoreCounter() const override;
+	static uint8_t getSemaphoreCounter(sem_t* handle);
+
+	/**
+	 * Take the binary semaphore.
+	 * If the semaphore has already been taken, the task will be blocked
+	 * for a maximum of #timeoutMs or until the semaphore is given back,
+	 * for example by an ISR or another task.
+	 * @param timeoutMs
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_TIMEOUT on timeout
+	 */
+	ReturnValue_t acquire(TimeoutType timeoutType = TimeoutType::BLOCKING,
+			uint32_t timeoutMs = 0) override;
+
+	/**
+	 * Release the binary semaphore.
+	 * @return -@c RETURN_OK on success
+	 *         -@c SemaphoreIF::SEMAPHORE_NOT_OWNED if the semaphores is
+	 *         	already available.
+	 */
+	virtual ReturnValue_t release() override;
+	/**
+	 * This static function can be used to release a semaphore  by providing
+	 * its handle.
+	 * @param handle
+	 * @return
+	 */
+	static ReturnValue_t release(sem_t* handle);
+
+	/** Checks the validity of the semaphore count against a specified
+	 * known maxCount
+	 * @param handle
+	 * @param maxCount
+	 * @return
+	 */
+	static ReturnValue_t checkCount(sem_t* handle, uint8_t maxCount);
+protected:
+	sem_t handle;
+};
+
+#endif /* FRAMEWORK_OSAL_FREERTOS_BINARYSEMPAHORE_H_ */

osal/linux/CountingSemaphore.cpp

@@ -0,0 +1,54 @@
+#include "../../osal/linux/CountingSemaphore.h"
+#include "../../serviceinterface/ServiceInterfaceStream.h"
+
+CountingSemaphore::CountingSemaphore(const uint8_t maxCount, uint8_t initCount):
+		maxCount(maxCount), initCount(initCount) {
+	if(initCount > maxCount) {
+		sif::error << "CountingSemaphoreUsingTask: Max count bigger than "
+				"intial cout. Setting initial count to max count." << std::endl;
+		initCount = maxCount;
+	}
+
+	initSemaphore(initCount);
+}
+
+CountingSemaphore::CountingSemaphore(CountingSemaphore&& other):
+		maxCount(other.maxCount), initCount(other.initCount) {
+	initSemaphore(initCount);
+}
+
+CountingSemaphore& CountingSemaphore::operator =(
+		CountingSemaphore&& other) {
+	initSemaphore(other.initCount);
+	return * this;
+}
+
+ReturnValue_t CountingSemaphore::release() {
+	ReturnValue_t result = checkCount(&handle, maxCount);
+	if(result != HasReturnvaluesIF::RETURN_OK) {
+		return result;
+	}
+	return CountingSemaphore::release(&this->handle);
+}
+
+ReturnValue_t CountingSemaphore::release(sem_t* handle) {
+	int result = sem_post(handle);
+	if(result == 0) {
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+
+	switch(errno) {
+	case(EINVAL):
+		// Semaphore invalid
+		return SemaphoreIF::SEMAPHORE_INVALID;
+	case(EOVERFLOW):
+		// SEM_MAX_VALUE overflow. This should never happen
+	default:
+		return HasReturnvaluesIF::RETURN_FAILED;
+	}
+}
+
+uint8_t CountingSemaphore::getMaxCount() const {
+	return maxCount;
+}
+

osal/linux/CountingSemaphore.h

@@ -0,0 +1,37 @@
+#ifndef FRAMEWORK_OSAL_LINUX_COUNTINGSEMAPHORE_H_
+#define FRAMEWORK_OSAL_LINUX_COUNTINGSEMAPHORE_H_
+#include "../../osal/linux/BinarySemaphore.h"
+
+/**
+ * @brief 	Counting semaphores, which can be acquired more than once.
+ * @details
+ * See: https://www.freertos.org/CreateCounting.html
+ * API of counting semaphores is almost identical to binary semaphores,
+ * so we just inherit from binary semaphore and provide the respective
+ * constructors.
+ */
+class CountingSemaphore: public BinarySemaphore {
+public:
+	CountingSemaphore(const uint8_t maxCount, uint8_t initCount);
+	//! @brief Copy ctor, disabled
+	CountingSemaphore(const CountingSemaphore&) = delete;
+	//! @brief Copy assignment, disabled
+	CountingSemaphore& operator=(const CountingSemaphore&) = delete;
+	//! @brief Move ctor
+	CountingSemaphore (CountingSemaphore &&);
+	//! @brief Move assignment
+	CountingSemaphore & operator=(CountingSemaphore &&);
+
+	ReturnValue_t release() override;
+	static ReturnValue_t release(sem_t* sem);
+	/* Same API as binary semaphore otherwise. acquire() can be called
+	 * until there are not semaphores left and release() can be called
+	 * until maxCount is reached. */
+
+	uint8_t getMaxCount() const;
+private:
+	const uint8_t maxCount;
+	uint8_t initCount = 0;
+};
+
+#endif /* FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHORE_H_ */

osal/linux/SemaphoreFactory.cpp

@@ -0,0 +1,33 @@
+#include "../../tasks/SemaphoreFactory.h"
+#include "BinarySemaphore.h"
+#include "CountingSemaphore.h"
+#include "../../serviceinterface/ServiceInterfaceStream.h"
+
+SemaphoreFactory* SemaphoreFactory::factoryInstance = nullptr;
+
+SemaphoreFactory::SemaphoreFactory() {
+}
+
+SemaphoreFactory::~SemaphoreFactory() {
+	delete factoryInstance;
+}
+
+SemaphoreFactory* SemaphoreFactory::instance() {
+	if (factoryInstance == nullptr){
+		factoryInstance = new SemaphoreFactory();
+	}
+	return SemaphoreFactory::factoryInstance;
+}
+
+SemaphoreIF* SemaphoreFactory::createBinarySemaphore(uint32_t arguments) {
+	return new BinarySemaphore();
+}
+
+SemaphoreIF* SemaphoreFactory::createCountingSemaphore(const uint8_t maxCount,
+		uint8_t initCount, uint32_t arguments) {
+	return new CountingSemaphore(maxCount, initCount);
+}
+
+void SemaphoreFactory::deleteSemaphore(SemaphoreIF* semaphore) {
+	delete semaphore;
+}

parameters/HasParametersIF.h

@@ -1,12 +1,27 @@
-#ifndef HASPARAMETERSIF_H_
-#define HASPARAMETERSIF_H_
+#ifndef FSFW_PARAMETERS_HASPARAMETERSIF_H_
+#define FSFW_PARAMETERS_HASPARAMETERSIF_H_
 
-#include "ParameterWrapper.h"
+#include "../parameters/ParameterWrapper.h"
 #include "../returnvalues/HasReturnvaluesIF.h"
 #include <stdint.h>
 
+/** Each parameter is identified with a unique parameter ID */
 typedef uint32_t ParameterId_t;
 
+/**
+ * @brief	This interface is used by components which have modifiable
+ * 			parameters, e.g. atittude controllers
+ * @details
+ * Each parameter has a unique parameter ID. The first byte of the parameter
+ * ID is the domain ID which can be used to identify unqiue spacecraft domains
+ * (e.g. control and sensor domain in the AOCS controller).
+ *
+ * The second and third byte represent the matrix ID, which can represent
+ * a 8-bit row and column number and the last byte...
+ *
+ * Yeah, it it matrix ID oder parameter ID now and is index a 16 bit number
+ * of a 8 bit number now?
+ */
 class HasParametersIF {
 public:
 	static const uint8_t INTERFACE_ID = CLASS_ID::HAS_PARAMETERS_IF;
@@ -32,13 +47,11 @@ public:
 		return (domainId << 24) + (parameterId << 8) + index;
 	}
 
-	virtual ~HasParametersIF() {
-	}
+	virtual ~HasParametersIF() {}
 
 	/**
 	 * Always set parameter before checking newValues!
 	 *
-	 *
 	 * @param domainId
 	 * @param parameterId
 	 * @param parameterWrapper
@@ -51,4 +64,4 @@ public:
 			const ParameterWrapper *newValues, uint16_t startAtIndex) = 0;
 };
 
-#endif /* HASPARAMETERSIF_H_ */
+#endif /* FSFW_PARAMETERS_HASPARAMETERSIF_H_ */

parameters/ParameterHelper.cpp

@@ -1,11 +1,9 @@
-#include "../objectmanager/ObjectManagerIF.h"
 #include "ParameterHelper.h"
 #include "ParameterMessage.h"
+#include "../objectmanager/ObjectManagerIF.h"
 
 ParameterHelper::ParameterHelper(ReceivesParameterMessagesIF* owner) :
-		owner(owner), storage(NULL) {
-
-}
+		owner(owner) {}
 
 ParameterHelper::~ParameterHelper() {
 }
@@ -28,7 +26,6 @@ ReturnValue_t ParameterHelper::handleParameterMessage(CommandMessage *message) {
 	}
 		break;
 	case ParameterMessage::CMD_PARAMETER_LOAD: {
-
 		uint8_t domain = HasParametersIF::getDomain(
 				ParameterMessage::getParameterId(message));
 		uint16_t parameterId = HasParametersIF::getMatrixId(
@@ -36,12 +33,14 @@ ReturnValue_t ParameterHelper::handleParameterMessage(CommandMessage *message) {
 		uint8_t index = HasParametersIF::getIndex(
 				ParameterMessage::getParameterId(message));
 
-		const uint8_t *storedStream;
-		size_t storedStreamSize;
+		const uint8_t *storedStream = nullptr;
+		size_t storedStreamSize = 0;
 		result = storage->getData(
 				ParameterMessage::getStoreId(message), &storedStream,
 				&storedStreamSize);
 		if (result != HasReturnvaluesIF::RETURN_OK) {
+			sif::error << "ParameterHelper::handleParameterMessage: Getting"
+					" store data failed for load command." << std::endl;
 			break;
 		}
 
@@ -125,7 +124,8 @@ ReturnValue_t ParameterHelper::initialize() {
 	}
 }
 
-void ParameterHelper::rejectCommand(MessageQueueId_t to, ReturnValue_t reason, Command_t initialCommand) {
+void ParameterHelper::rejectCommand(MessageQueueId_t to, ReturnValue_t reason,
+		Command_t initialCommand) {
 	CommandMessage reply;
 	reply.setReplyRejected(reason, initialCommand);
 	MessageQueueSenderIF::sendMessage(to, &reply, ownerQueueId);

parameters/ParameterHelper.h

@@ -1,9 +1,16 @@
-#ifndef PARAMETERHELPER_H_
-#define PARAMETERHELPER_H_
+#ifndef FSFW_PARAMETERS_PARAMETERHELPER_H_
+#define FSFW_PARAMETERS_PARAMETERHELPER_H_
 
 #include "ParameterMessage.h"
 #include "ReceivesParameterMessagesIF.h"
+#include "../ipc/MessageQueueIF.h"
 
+/**
+ * @brief	Helper class to handle parameter messages.
+ * @details
+ * This class simplfies handling of parameter messages, which are sent
+ * to a class which implements ReceivesParameterMessagesIF.
+ */
 class ParameterHelper {
 public:
 	ParameterHelper(ReceivesParameterMessagesIF *owner);
@@ -15,13 +22,15 @@ public:
 private:
 	ReceivesParameterMessagesIF *owner;
 
-	MessageQueueId_t ownerQueueId;
+	MessageQueueId_t ownerQueueId = MessageQueueIF::NO_QUEUE;
 
-	StorageManagerIF *storage;
+	StorageManagerIF *storage = nullptr;
 
-	ReturnValue_t sendParameter(MessageQueueId_t to, uint32_t id, const ParameterWrapper *description);
+	ReturnValue_t sendParameter(MessageQueueId_t to, uint32_t id,
+			const ParameterWrapper *description);
 
-	void rejectCommand(MessageQueueId_t to, ReturnValue_t reason, Command_t initialCommand);
+	void rejectCommand(MessageQueueId_t to, ReturnValue_t reason,
+			Command_t initialCommand);
 };
 
-#endif /* PARAMETERHELPER_H_ */
+#endif /* FSFW_PARAMETERS_PARAMETERHELPER_H_ */

parameters/ParameterMessage.cpp

@@ -1,4 +1,4 @@
-#include "ParameterMessage.h"
+#include "../parameters/ParameterMessage.h"
 #include "../objectmanager/ObjectManagerIF.h"
 
 ParameterId_t ParameterMessage::getParameterId(const CommandMessage* message) {

parameters/ParameterMessage.h

@@ -1,8 +1,8 @@
-#ifndef PARAMETERMESSAGE_H_
-#define PARAMETERMESSAGE_H_
+#ifndef FSFW_PARAMETERS_PARAMETERMESSAGE_H_
+#define FSFW_PARAMETERS_PARAMETERMESSAGE_H_
 
-#include "../ipc/CommandMessage.h"
 #include "HasParametersIF.h"
+#include "../ipc/CommandMessage.h"
 #include "../storagemanager/StorageManagerIF.h"
 
 class ParameterMessage {
@@ -26,4 +26,4 @@ public:
 
 };
 
-#endif /* PARAMETERMESSAGE_H_ */
+#endif /* FSFW_PARAMETERS_PARAMETERMESSAGE_H_ */

parameters/ParameterWrapper.cpp

@@ -1,20 +1,19 @@
 #include "ParameterWrapper.h"
 
 ParameterWrapper::ParameterWrapper() :
-		pointsToStream(false), type(Type::UNKNOWN_TYPE), rows(0), columns(0), data(
-		NULL), readonlyData(NULL) {
+		pointsToStream(false), type(Type::UNKNOWN_TYPE) {
 }
 
 ParameterWrapper::ParameterWrapper(Type type, uint8_t rows, uint8_t columns,
 		void *data) :
-		pointsToStream(false), type(type), rows(rows), columns(columns), data(
-				data), readonlyData(data) {
+		pointsToStream(false), type(type), rows(rows), columns(columns),
+		data(data), readonlyData(data) {
 }
 
 ParameterWrapper::ParameterWrapper(Type type, uint8_t rows, uint8_t columns,
 		const void *data) :
-		pointsToStream(false), type(type), rows(rows), columns(columns), data(
-		NULL), readonlyData(data) {
+		pointsToStream(false), type(type), rows(rows), columns(columns),
+		data(nullptr), readonlyData(data) {
 }
 
 ParameterWrapper::~ParameterWrapper() {
@@ -141,6 +140,7 @@ ReturnValue_t ParameterWrapper::deSerializeData(uint8_t startingRow,
 
 }
 
+
 ReturnValue_t ParameterWrapper::deSerialize(const uint8_t **buffer,
 		size_t *size, Endianness streamEndianness) {
 	return deSerialize(buffer, size, streamEndianness, 0);
@@ -184,16 +184,16 @@ ReturnValue_t ParameterWrapper::set(const uint8_t *stream, size_t streamSize,
 		return SerializeIF::STREAM_TOO_SHORT;
 	}
 
-	data = NULL;
+	data = nullptr;
 	readonlyData = stream;
 	pointsToStream = true;
 
 	stream += dataSize;
-	if (remainingStream != NULL) {
+	if (remainingStream !=  nullptr) {
 		*remainingStream = stream;
 	}
 	streamSize -= dataSize;
-	if (remainingSize != NULL) {
+	if (remainingSize != nullptr) {
 		*remainingSize = streamSize;
 	}
 
@@ -265,15 +265,15 @@ ReturnValue_t ParameterWrapper::copyFrom(const ParameterWrapper *from,
 			result = UNKNOW_DATATYPE;
 			break;
 		}
-	} else {
+	}
+	else {
 		//need a type to do arithmetic
-		uint8_t *toDataWithType = (uint8_t*) data;
+		uint8_t* typedData = static_cast<uint8_t*>(data);
 		for (uint8_t fromRow = 0; fromRow < from->rows; fromRow++) {
-			memcpy(
-					toDataWithType
-							+ (((startingRow + fromRow) * columns)
-									+ startingColumn) * typeSize,
-					from->readonlyData, typeSize * from->columns);
+			size_t offset = (((startingRow + fromRow) * columns) +
+					startingColumn) * typeSize;
+			std::memcpy(typedData +  offset, from->readonlyData,
+					typeSize * from->columns);
 		}
 	}
 

parameters/ParameterWrapper.h

@@ -1,12 +1,16 @@
-#ifndef PARAMETERWRAPPER_H_
-#define PARAMETERWRAPPER_H_
+#ifndef FSFW_PARAMETERS_PARAMETERWRAPPER_H_
+#define FSFW_PARAMETERS_PARAMETERWRAPPER_H_
 
 #include "../returnvalues/HasReturnvaluesIF.h"
 #include "../serialize/SerializeAdapter.h"
 #include "../serialize/SerializeIF.h"
-#include <stddef.h>
 #include "../globalfunctions/Type.h"
+#include <cstddef>
 
+/**
+ * @brief
+ * @details
+ */
 class ParameterWrapper: public SerializeIF {
 	friend class DataPoolParameterWrapper;
 public:
@@ -36,32 +40,21 @@ public:
 	virtual ReturnValue_t deSerialize(const uint8_t** buffer, size_t* size,
 			Endianness streamEndianness, uint16_t startWritingAtIndex = 0);
 
+	/**
+	 * Get a specific parameter value by supplying the row and the column.
+	 * @tparam T Type of target data
+	 * @param value [out] Pointer to storage location
+	 * @param row
+	 * @param column
+	 * @return
+	 * -@c RETURN_OK if element was retrieved successfully
+	 * -@c NOT_SET data has not been set yet
+	 * -@c DATATYPE_MISSMATCH Invalid supplied type
+	 * -@c OUT_OF_BOUNDS Invalid row and/or column.
+	 */
 	template<typename T>
-	ReturnValue_t getElement(T *value, uint8_t row = 0, uint8_t column = 0) const {
-		if (readonlyData == NULL){
-			return NOT_SET;
-		}
-
-		if (PodTypeConversion<T>::type != type) {
-			return DATATYPE_MISSMATCH;
-		}
-
-		if ((row >= rows) || (column >= columns)) {
-			return OUT_OF_BOUNDS;
-		}
-
-		if (pointsToStream) {
-			const uint8_t *streamWithtype = (const uint8_t *) readonlyData;
-			streamWithtype += (row * columns + column) * type.getSize();
-			int32_t size = type.getSize();
-			return SerializeAdapter::deSerialize(value, &streamWithtype,
-					&size, true);
-		} else {
-			const T *dataWithType = (const T *) readonlyData;
-			*value = dataWithType[row * columns + column];
-			return HasReturnvaluesIF::RETURN_OK;
-		}
-	}
+	ReturnValue_t getElement(T *value, uint8_t row = 0,
+			uint8_t column = 0) const;
 
 	template<typename T>
 	void set(T *data, uint8_t rows, uint8_t columns) {
@@ -111,21 +104,22 @@ public:
 	void setMatrix(const T& member) {
 		this->set(member[0], sizeof(member)/sizeof(member[0]), sizeof(member[0])/sizeof(member[0][0]));
 	}
+
 	ReturnValue_t set(const uint8_t *stream, size_t streamSize,
-			const uint8_t **remainingStream = NULL, size_t *remainingSize =
-					NULL);
+			const uint8_t **remainingStream = nullptr,
+			size_t *remainingSize = nullptr);
 
 	ReturnValue_t copyFrom(const ParameterWrapper *from,
 			uint16_t startWritingAtIndex);
 
 private:
-	bool pointsToStream;
+	bool pointsToStream = false;
 
 	Type type;
-	uint8_t rows;
-	uint8_t columns;
-	void *data;
-	const void *readonlyData;
+	uint8_t rows = 0;
+	uint8_t columns = 0;
+	void *data = nullptr;
+	const void *readonlyData = nullptr;
 
 	template<typename T>
 	ReturnValue_t serializeData(uint8_t** buffer, size_t* size,
@@ -136,4 +130,33 @@ private:
 			const void *from, uint8_t fromRows, uint8_t fromColumns);
 };
 
-#endif /* PARAMETERWRAPPER_H_ */
+template <typename T>
+inline ReturnValue_t ParameterWrapper::getElement(T *value, uint8_t row,
+		uint8_t column) const {
+	if (readonlyData == nullptr){
+		return NOT_SET;
+	}
+
+	if (PodTypeConversion<T>::type != type) {
+		return DATATYPE_MISSMATCH;
+	}
+
+	if ((row >= rows) or (column >= columns)) {
+		return OUT_OF_BOUNDS;
+	}
+
+	if (pointsToStream) {
+		const uint8_t *streamWithType = static_cast<const uint8_t*>(readonlyData);
+		streamWithType += (row * columns + column) * type.getSize();
+		int32_t size = type.getSize();
+		return SerializeAdapter::deSerialize(value, &streamWithType,
+				&size, true);
+	}
+	else {
+		const T *dataWithType = static_cast<const T*>(readonlyData);
+		*value = dataWithType[row * columns + column];
+		return HasReturnvaluesIF::RETURN_OK;
+	}
+}
+
+#endif /* FSFW_PARAMETERS_PARAMETERWRAPPER_H_ */

parameters/ReceivesParameterMessagesIF.h

@@ -1,5 +1,5 @@
-#ifndef RECEIVESPARAMETERMESSAGESIF_H_
-#define RECEIVESPARAMETERMESSAGESIF_H_
+#ifndef FSFW_PARAMETERS_RECEIVESPARAMETERMESSAGESIF_H_
+#define FSFW_PARAMETERS_RECEIVESPARAMETERMESSAGESIF_H_
 
 
 #include "HasParametersIF.h"
@@ -16,4 +16,4 @@ public:
 };
 
 
-#endif /* RECEIVESPARAMETERMESSAGESIF_H_ */
+#endif /* FSFW_PARAMETERS_RECEIVESPARAMETERMESSAGESIF_H_ */

serialize/SerializeIF.h

@@ -1,17 +1,17 @@
-#ifndef SERIALIZEIF_H_
-#define SERIALIZEIF_H_
+#ifndef FSFW_SERIALIZE_SERIALIZEIF_H_
+#define FSFW_SERIALIZE_SERIALIZEIF_H_
 
 #include "../returnvalues/HasReturnvaluesIF.h"
 #include <stddef.h>
 
 /**
- * \defgroup serialize Serialization
- * Contains serialisation services.
+ * @defgroup serialize Serialization
+ * Contains serialization services.
  */
 
 /**
- * Translation of objects into data streams.
- * \ingroup serialize
+ * Translation of objects into data streams and from data streams.
+ * @ingroup serialize
  */
 class SerializeIF {
 public:
@@ -20,21 +20,65 @@ public:
 	};
 
 	static const uint8_t INTERFACE_ID = CLASS_ID::SERIALIZE_IF;
-	static const ReturnValue_t BUFFER_TOO_SHORT = MAKE_RETURN_CODE(1);
-	static const ReturnValue_t STREAM_TOO_SHORT = MAKE_RETURN_CODE(2);
-	static const ReturnValue_t TOO_MANY_ELEMENTS = MAKE_RETURN_CODE(3);
+	static const ReturnValue_t BUFFER_TOO_SHORT = MAKE_RETURN_CODE(1); // !< The given buffer in serialize is too short
+	static const ReturnValue_t STREAM_TOO_SHORT = MAKE_RETURN_CODE(2); // !< The input stream in deserialize is too short
+	static const ReturnValue_t TOO_MANY_ELEMENTS = MAKE_RETURN_CODE(3);// !< There are too many elements to be deserialized
 
 	virtual ~SerializeIF() {
 	}
-
+	/**
+	 * @brief
+	 * Function to serialize the object into a buffer with maxSize. Size represents the written amount.
+	 * If a part of the buffer has been used already, size must be set to the used amount of bytes.
+	 *
+	 * @details
+	 * Implementations of this function must increase the size variable and move the buffer pointer.
+	 * MaxSize must be checked by implementations of this function
+	 * and BUFFER_TOO_SHORT has to be returned if size would be larger than maxSize.
+	 *
+	 * Custom implementations might use additional return values.
+	 *
+	 * @param[in/out] buffer Buffer to serialize into, will be set to the current write location
+	 * @param[in/out] size Size that has been used in the buffer already, will be increased by the function
+	 * @param[in] maxSize The size of the buffer that is allowed to be used for serialize.
+	 * @param[in] streamEndianness Endianness of the serialized data according to SerializeIF::Endianness
+	 * @return
+	 * 		- @¢ BUFFER_TOO_SHORT The given buffer in is too short
+	 * 		- @c RETURN_FAILED Generic error
+	 * 		- @c RETURN_OK Successful serialization
+	 */
 	virtual ReturnValue_t serialize(uint8_t **buffer, size_t *size,
 			size_t maxSize, Endianness streamEndianness) const = 0;
 
+	/**
+	 * Gets the size of a object if it would be serialized in a buffer
+	 * @return Size of serialized object
+	 */
 	virtual size_t getSerializedSize() const = 0;
 
+	/**
+	 * @brief
+	 * Deserializes a object from a given buffer of given size.
+	 *
+	 * @details
+	 * Buffer must be moved to the current read location by the implementation
+	 * of this function. Size must be decreased by the implementation.
+	 * Implementations are not allowed to alter the buffer as indicated by const pointer.
+	 *
+	 * Custom implementations might use additional return values.
+	 *
+	 * @param[in/out] buffer Buffer to deSerialize from. Will be moved by the function.
+	 * @param[in/out] size Remaining size of the buffer to read from. Will be decreased by function.
+	 * @param[in] streamEndianness Endianness as in according to SerializeIF::Endianness
+	 * @return
+	 * 	- @c STREAM_TOO_SHORT The input stream is too short to deSerialize the object
+	 * 	- @c TOO_MANY_ELEMENTS The buffer has more inputs than expected
+	 * 	- @c RETURN_FAILED Generic Error
+	 * 	- @c RETURN_OK Successful deserialization
+	 */
 	virtual ReturnValue_t deSerialize(const uint8_t **buffer, size_t *size,
 			Endianness streamEndianness) = 0;
 
 };
 
-#endif /* SERIALIZEIF_H_ */
+#endif /* FSFW_SERIALIZE_SERIALIZEIF_H_ */

subsystem/Subsystem.cpp

@@ -151,7 +151,6 @@ HybridIterator<ModeListEntry> Subsystem::getTable(Mode_t id) {
 }
 
 ReturnValue_t Subsystem::handleCommandMessage(CommandMessage *message) {
-	ReturnValue_t result;
 	switch (message->getCommand()) {
 	case HealthMessage::HEALTH_INFO: {
 		HealthState health = HealthMessage::getHealth(message);
@@ -166,7 +165,7 @@ ReturnValue_t Subsystem::handleCommandMessage(CommandMessage *message) {
 		FixedArrayList<ModeListEntry, MAX_LENGTH_OF_TABLE_OR_SEQUENCE> sequence;
 		const uint8_t *pointer;
 		size_t sizeRead;
-		result = IPCStore->getData(
+		ReturnValue_t result = IPCStore->getData(
 				ModeSequenceMessage::getStoreAddress(message), &pointer,
 				&sizeRead);
 		if (result == RETURN_OK) {
@@ -193,7 +192,7 @@ ReturnValue_t Subsystem::handleCommandMessage(CommandMessage *message) {
 		FixedArrayList<ModeListEntry, MAX_LENGTH_OF_TABLE_OR_SEQUENCE> table;
 		const uint8_t *pointer;
 		size_t sizeRead;
-		result = IPCStore->getData(
+		ReturnValue_t result = IPCStore->getData(
 				ModeSequenceMessage::getStoreAddress(message), &pointer,
 				&sizeRead);
 		if (result == RETURN_OK) {
@@ -210,21 +209,23 @@ ReturnValue_t Subsystem::handleCommandMessage(CommandMessage *message) {
 
 	}
 		break;
-	case ModeSequenceMessage::DELETE_SEQUENCE:
+	case ModeSequenceMessage::DELETE_SEQUENCE:{
 		if (isInTransition) {
 			replyToCommand(IN_TRANSITION, 0);
 			break;
 		}
-		result = deleteSequence(ModeSequenceMessage::getSequenceId(message));
+		ReturnValue_t result = deleteSequence(ModeSequenceMessage::getSequenceId(message));
 		replyToCommand(result, 0);
+	}
 		break;
-	case ModeSequenceMessage::DELETE_TABLE:
+	case ModeSequenceMessage::DELETE_TABLE:{
 		if (isInTransition) {
 			replyToCommand(IN_TRANSITION, 0);
 			break;
 		}
-		result = deleteTable(ModeSequenceMessage::getTableId(message));
+		ReturnValue_t result = deleteTable(ModeSequenceMessage::getTableId(message));
 		replyToCommand(result, 0);
+	}
 		break;
 	case ModeSequenceMessage::LIST_SEQUENCES: {
 		SerialFixedArrayListAdapter<Mode_t, MAX_NUMBER_OF_TABLES_OR_SEQUENCES> sequences;

tasks/SemaphoreFactory.h

@@ -0,0 +1,50 @@
+#ifndef FSFW_TASKS_SEMAPHOREFACTORY_H_
+#define FSFW_TASKS_SEMAPHOREFACTORY_H_
+
+#include "../tasks/SemaphoreIF.h"
+
+/**
+ * Creates Semaphore.
+ * This class is a "singleton" interface, i.e. it provides an
+ * interface, but also is the base class for a singleton.
+ */
+class SemaphoreFactory {
+public:
+	virtual ~SemaphoreFactory();
+	/**
+	 * Returns the single instance of SemaphoreFactory.
+	 * The implementation of #instance is found in its subclasses.
+	 * Thus, we choose link-time variability of the  instance.
+	 */
+	static SemaphoreFactory* instance();
+
+	/**
+	 * Create a binary semaphore.
+	 * Creator function for a binary semaphore which may only be acquired once
+	 * @param argument Can be used to pass implementation specific information.
+	 * @return Pointer to newly created semaphore class instance.
+	 */
+	SemaphoreIF* createBinarySemaphore(uint32_t arguments = 0);
+	/**
+	 * Create a counting semaphore.
+	 * Creator functons for a counting semaphore which may be acquired multiple
+	 * times.
+	 * @param count Semaphore can be taken count times.
+	 * @param initCount Initial count value.
+	 * @param argument Can be used to pass implementation specific information.
+	 * @return
+	 */
+	SemaphoreIF* createCountingSemaphore(const uint8_t maxCount,
+			uint8_t initCount, uint32_t arguments = 0);
+
+	void deleteSemaphore(SemaphoreIF* semaphore);
+
+private:
+	/**
+	 * External instantiation is not allowed.
+	 */
+	SemaphoreFactory();
+	static SemaphoreFactory* factoryInstance;
+};
+
+#endif /* FSFW_TASKS_SEMAPHOREFACTORY_H_ */

tasks/SemaphoreIF.h

@@ -0,0 +1,68 @@
+#ifndef FRAMEWORK_TASKS_SEMAPHOREIF_H_
+#define FRAMEWORK_TASKS_SEMAPHOREIF_H_
+#include "../returnvalues/FwClassIds.h"
+#include "../returnvalues/HasReturnvaluesIF.h"
+#include <cstdint>
+
+/**
+ * @brief 	Generic interface for semaphores, which can be used to achieve
+ * 			task synchronization. This is a generic interface which can be
+ * 			used for both binary semaphores and counting semaphores.
+ * @details
+ * A semaphore is a synchronization primitive.
+ * See: https://en.wikipedia.org/wiki/Semaphore_(programming)
+ * A semaphore can be used to achieve task synchonization and track the
+ * availability of resources by using either the binary or the counting
+ * semaphore types.
+ *
+ * If mutual exlcusion of a resource is desired, a mutex should be used,
+ * which is a special form of a semaphore and has an own interface.
+ */
+class SemaphoreIF {
+public:
+    /**
+     * Different types of timeout for the mutex lock.
+     */
+    enum TimeoutType {
+        POLLING, //!< If mutex is not available, return immediately
+        WAITING, //!< Wait a specified time for the mutex to become available
+        BLOCKING //!< Block indefinitely until the mutex becomes available.
+    };
+
+	virtual~ SemaphoreIF() {};
+
+	static const uint8_t INTERFACE_ID = CLASS_ID::SEMAPHORE_IF;
+	//! Semaphore timeout
+	static constexpr ReturnValue_t SEMAPHORE_TIMEOUT = MAKE_RETURN_CODE(1);
+	//! The current semaphore can not be given, because it is not owned
+	static constexpr ReturnValue_t SEMAPHORE_NOT_OWNED = MAKE_RETURN_CODE(2);
+	static constexpr ReturnValue_t SEMAPHORE_INVALID = MAKE_RETURN_CODE(3);
+
+	/**
+	 * Generic call to acquire a semaphore.
+	 * If there are no more semaphores to be taken (for a counting semaphore,
+	 * a semaphore may be taken more than once), the taks will block
+	 * for a maximum of timeoutMs while trying to acquire the semaphore.
+	 * This can be used to achieve task synchrnization.
+	 * @param timeoutMs
+	 * @return - c RETURN_OK for successfull acquisition
+	 */
+	virtual ReturnValue_t acquire(TimeoutType timeoutType =
+            TimeoutType::BLOCKING, uint32_t timeoutMs = 0) = 0;
+
+	/**
+	 * Corrensponding call to release a semaphore.
+	 * @return -@c RETURN_OK for successfull release
+	 */
+	virtual ReturnValue_t release() = 0;
+
+	/**
+	 * If the semaphore is a counting semaphore then the semaphores current
+	 * count value is returned. If the semaphore is a binary semaphore then 1
+	 * is returned if the semaphore is available, and 0 is returned if the
+	 * semaphore is not available.
+	 */
+	virtual uint8_t getSemaphoreCounter() const = 0;
+};
+
+#endif /* FRAMEWORK_TASKS_SEMAPHOREIF_H_ */

timemanager/CCSDSTime.cpp

@@ -119,7 +119,7 @@ ReturnValue_t CCSDSTime::convertFromCCS(Clock::TimeOfDay_t* to, const uint8_t* f
 
 	if (temp->pField & (1 << 3)) { //day of year variation
 		uint16_t tempDay = (temp->month << 8) + temp->day;
-		ReturnValue_t result = convertDaysOfYear(tempDay, to->year,
+		result = convertDaysOfYear(tempDay, to->year,
 				&(temp->month), &(temp->day));
 		if (result != RETURN_OK) {
 			return result;

tmtcservices/CommandingServiceBase.h

@@ -1,5 +1,5 @@
-#ifndef FRAMEWORK_TMTCSERVICES_COMMANDINGSERVICEBASE_H_
-#define FRAMEWORK_TMTCSERVICES_COMMANDINGSERVICEBASE_H_
+#ifndef FSFW_TMTCSERVICES_COMMANDINGSERVICEBASE_H_
+#define FSFW_TMTCSERVICES_COMMANDINGSERVICEBASE_H_
 
 #include "../objectmanager/SystemObject.h"
 #include "../storagemanager/StorageManagerIF.h"
@@ -345,4 +345,4 @@ private:
 	void checkTimeout();
 };
 
-#endif /* COMMANDINGSERVICEBASE_H_ */
+#endif /* FSFW_TMTCSERVICES_COMMANDINGSERVICEBASE_H_ */