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Merge pull request 'timeslot update' (#179) from KSat/fsfw:mueller/FixedTimeslotUpdate into master

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Reviewed-on: fsfw/fsfw#179
This commit is contained in:
Steffen Gaisser 2020-09-29 14:30:59 +02:00
commit dae79f30d7
10 changed files with 192 additions and 126 deletions
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20
devicehandlers/FixedSequenceSlot.cpp
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@ -1,20 +0,0 @@
/**
* @file PollingSlot.cpp
* @brief This file defines the PollingSlot class.
* @date 19.12.2012
* @author baetz
*/
#include "FixedSequenceSlot.h"
#include "../objectmanager/SystemObjectIF.h"
#include <cstddef>
FixedSequenceSlot::FixedSequenceSlot(object_id_t handlerId, uint32_t setTime,
int8_t setSequenceId, PeriodicTaskIF* executingTask) :
handler(NULL), pollingTimeMs(setTime), opcode(setSequenceId) {
handler = objectManager->get<ExecutableObjectIF>(handlerId);
handler->setTaskIF(executingTask);
}
FixedSequenceSlot::~FixedSequenceSlot() {}

14
osal/FreeRTOS/FixedTimeslotTask.cpp
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@ -8,7 +8,7 @@ const size_t PeriodicTaskIF::MINIMUM_STACK_SIZE = configMINIMAL_STACK_SIZE;
FixedTimeslotTask::FixedTimeslotTask(TaskName name, TaskPriority setPriority,
TaskStackSize setStack, TaskPeriod overallPeriod,
void (*setDeadlineMissedFunc)()) :
started(false), handle(NULL), pst(overallPeriod * 1000) {
started(false), handle(nullptr), pst(overallPeriod * 1000) {
configSTACK_DEPTH_TYPE stackSize = setStack / sizeof(configSTACK_DEPTH_TYPE);
xTaskCreate(taskEntryPoint, name, stackSize, this, setPriority, &handle);
// All additional attributes are applied to the object.
@ -62,8 +62,10 @@ ReturnValue_t FixedTimeslotTask::startTask() {
ReturnValue_t FixedTimeslotTask::addSlot(object_id_t componentId,
uint32_t slotTimeMs, int8_t executionStep) {
if (objectManager->get<ExecutableObjectIF>(componentId) != nullptr) {
pst.addSlot(componentId, slotTimeMs, executionStep, this);
ExecutableObjectIF* handler =
objectManager->get<ExecutableObjectIF>(componentId);
if (handler != nullptr) {
pst.addSlot(componentId, slotTimeMs, executionStep, handler, this);
return HasReturnvaluesIF::RETURN_OK;
}
@ -85,6 +87,8 @@ void FixedTimeslotTask::taskFunctionality() {
// start time for the first entry.
auto slotListIter = pst.current;
pst.intializeSequenceAfterTaskCreation();
//The start time for the first entry is read.
uint32_t intervalMs = slotListIter->pollingTimeMs;
TickType_t interval = pdMS_TO_TICKS(intervalMs);
@ -143,10 +147,6 @@ void FixedTimeslotTask::checkMissedDeadline(const TickType_t xLastWakeTime,
}
void FixedTimeslotTask::handleMissedDeadline() {
#ifdef DEBUG
sif::warning << "FixedTimeslotTask: " << pcTaskGetName(NULL) <<
" missed deadline!\n" << std::flush;
#endif
if(deadlineMissedFunc != nullptr) {
this->deadlineMissedFunc();
}

9
osal/FreeRTOS/FixedTimeslotTask.h
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@ -1,12 +1,11 @@
#ifndef FRAMEWORK_OSAL_FREERTOS_FIXEDTIMESLOTTASK_H_
#define FRAMEWORK_OSAL_FREERTOS_FIXEDTIMESLOTTASK_H_
#ifndef FSFW_OSAL_FREERTOS_FIXEDTIMESLOTTASK_H_
#define FSFW_OSAL_FREERTOS_FIXEDTIMESLOTTASK_H_
#include "FreeRTOSTaskIF.h"
#include "../../devicehandlers/FixedSlotSequence.h"
#include "../../tasks/FixedSlotSequence.h"
#include "../../tasks/FixedTimeslotTaskIF.h"
#include "../../tasks/Typedef.h"
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
@ -99,4 +98,4 @@ protected:
void handleMissedDeadline();
};
#endif /* FRAMEWORK_OSAL_FREERTOS_FIXEDTIMESLOTTASK_H_ */
#endif /* FSFW_OSAL_FREERTOS_FIXEDTIMESLOTTASK_H_ */

4
osal/FreeRTOS/PeriodicTask.cpp
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@ -133,10 +133,6 @@ TaskHandle_t PeriodicTask::getTaskHandle() {
}
void PeriodicTask::handleMissedDeadline() {
#ifdef DEBUG
sif::warning << "PeriodicTask: " << pcTaskGetName(NULL) <<
" missed deadline!\n" << std::flush;
#endif
if(deadlineMissedFunc != nullptr) {
this->deadlineMissedFunc();
}

14
osal/linux/FixedTimeslotTask.cpp
View File

@ -1,5 +1,5 @@
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "FixedTimeslotTask.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include <limits.h>
@ -39,13 +39,16 @@ uint32_t FixedTimeslotTask::getPeriodMs() const {
ReturnValue_t FixedTimeslotTask::addSlot(object_id_t componentId,
uint32_t slotTimeMs, int8_t executionStep) {
if (objectManager->get<ExecutableObjectIF>(componentId) != nullptr) {
pst.addSlot(componentId, slotTimeMs, executionStep, this);
ExecutableObjectIF* executableObject =
objectManager->get<ExecutableObjectIF>(componentId);
if (executableObject != nullptr) {
pst.addSlot(componentId, slotTimeMs, executionStep,
executableObject,this);
return HasReturnvaluesIF::RETURN_OK;
}
sif::error << "Component " << std::hex << componentId <<
" not found, not adding it to pst" << std::endl;
" not found, not adding it to pst" << std::dec << std::endl;
return HasReturnvaluesIF::RETURN_FAILED;
}
@ -58,6 +61,9 @@ void FixedTimeslotTask::taskFunctionality() {
if (!started) {
suspend();
}
pst.intializeSequenceAfterTaskCreation();
//The start time for the first entry is read.
uint64_t lastWakeTime = getCurrentMonotonicTimeMs();
uint64_t interval = pst.getIntervalToNextSlotMs();

10
osal/linux/FixedTimeslotTask.h
View File

@ -1,9 +1,9 @@
#ifndef FRAMEWORK_OSAL_LINUX_FIXEDTIMESLOTTASK_H_
#define FRAMEWORK_OSAL_LINUX_FIXEDTIMESLOTTASK_H_
#ifndef FSFW_OSAL_LINUX_FIXEDTIMESLOTTASK_H_
#define FSFW_OSAL_LINUX_FIXEDTIMESLOTTASK_H_
#include "../../tasks/FixedTimeslotTaskIF.h"
#include "../../devicehandlers/FixedSlotSequence.h"
#include "PosixThread.h"
#include "../../tasks/FixedTimeslotTaskIF.h"
#include "../../tasks/FixedSlotSequence.h"
#include <pthread.h>
class FixedTimeslotTask: public FixedTimeslotTaskIF, public PosixThread {
@ -74,4 +74,4 @@ private:
bool started;
};
#endif /* FRAMEWORK_OSAL_LINUX_FIXEDTIMESLOTTASK_H_ */
#endif /* FSFW_OSAL_LINUX_FIXEDTIMESLOTTASK_H_ */

17
tasks/FixedSequenceSlot.cpp Normal file
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@ -0,0 +1,17 @@
#include "FixedSequenceSlot.h"
#include "PeriodicTaskIF.h"
#include <cstddef>
FixedSequenceSlot::FixedSequenceSlot(object_id_t handlerId, uint32_t setTime,
int8_t setSequenceId, ExecutableObjectIF* executableObject,
PeriodicTaskIF* executingTask) : handlerId(handlerId),
pollingTimeMs(setTime), opcode(setSequenceId) {
if(executableObject == nullptr) {
return;
}
this->executableObject = executableObject;
this->executableObject->setTaskIF(executingTask);
}
FixedSequenceSlot::~FixedSequenceSlot() {}

46
devicehandlers/FixedSequenceSlot.h → tasks/FixedSequenceSlot.h
View File

@ -1,41 +1,41 @@
/**
* @file FixedSequenceSlot.h
* @brief This file defines the PollingSlot class.
* @date 19.12.2012
* @author baetz
*/
#ifndef FIXEDSEQUENCESLOT_H_
#define FIXEDSEQUENCESLOT_H_
#ifndef FSFW_TASKS_FIXEDSEQUENCESLOT_H_
#define FSFW_TASKS_FIXEDSEQUENCESLOT_H_
#include "ExecutableObjectIF.h"
#include "../objectmanager/ObjectManagerIF.h"
#include "../tasks/ExecutableObjectIF.h"
class PeriodicTaskIF;
/**
* @brief This class is the representation of a single polling sequence table entry.
*
* @details The PollingSlot class is the representation of a single polling
* sequence table entry.
* @brief This class is the representation of a single polling sequence
* table entry.
* @details
* The PollingSlot class is the representation of a single polling
* sequence table entry.
* @author baetz
*/
class FixedSequenceSlot {
public:
FixedSequenceSlot( object_id_t handlerId, uint32_t setTimeMs,
int8_t setSequenceId, PeriodicTaskIF* executingTask );
int8_t setSequenceId, ExecutableObjectIF* executableObject,
PeriodicTaskIF* executingTask);
virtual ~FixedSequenceSlot();
object_id_t handlerId;
/**
* @brief Handler identifies which device handler object is executed in this slot.
* @brief Handler identifies which object is executed in this slot.
*/
ExecutableObjectIF* handler;
ExecutableObjectIF* executableObject = nullptr;
/**
* @brief This attribute defines when a device handler object is executed.
*
* @details The pollingTime attribute identifies the time the handler is executed in ms.
* It must be smaller than the period length of the polling sequence.
* @details
* The pollingTime attribute identifies the time the handler is
* executed in ms. It must be smaller than the period length of the
* polling sequence.
*/
uint32_t pollingTimeMs;
uint32_t pollingTimeMs;
/**
* @brief This value defines the type of device communication.
@ -43,7 +43,7 @@ public:
* @details The state of this value decides what communication routine is
* called in the PST executable or the device handler object.
*/
uint8_t opcode;
uint8_t opcode;
/**
* @brief Operator overload for the comparison operator to
@ -57,4 +57,4 @@ public:
};
#endif /* FIXEDSEQUENCESLOT_H_ */
#endif /* FSFW_TASKS_FIXEDSEQUENCESLOT_H_ */

95
devicehandlers/FixedSlotSequence.cpp → tasks/FixedSlotSequence.cpp
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@ -1,5 +1,6 @@
#include "FixedSlotSequence.h"
#include "../serviceinterface/ServiceInterfaceStream.h"
#include <cstdlib>
FixedSlotSequence::FixedSlotSequence(uint32_t setLengthMs) :
lengthMs(setLengthMs) {
@ -12,7 +13,7 @@ FixedSlotSequence::~FixedSlotSequence() {
}
void FixedSlotSequence::executeAndAdvance() {
current->handler->performOperation(current->opcode);
current->executableObject->performOperation(current->opcode);
// if (returnValue != RETURN_OK) {
// this->sendErrorMessage( returnValue );
// }
@ -80,44 +81,82 @@ uint32_t FixedSlotSequence::getLengthMs() const {
return this->lengthMs;
}
void FixedSlotSequence::addSlot(object_id_t componentId, uint32_t slotTimeMs,
int8_t executionStep, ExecutableObjectIF* executableObject,
PeriodicTaskIF* executingTask) {
this->slotList.insert(FixedSequenceSlot(componentId, slotTimeMs,
executionStep, executableObject, executingTask));
this->current = slotList.begin();
}
ReturnValue_t FixedSlotSequence::checkSequence() const {
if(slotList.empty()) {
sif::error << "Fixed Slot Sequence: Slot list is empty!" << std::endl;
sif::error << "FixedSlotSequence::checkSequence:"
<< " Slot list is empty!" << std::endl;
return HasReturnvaluesIF::RETURN_FAILED;
}
auto slotIt = slotList.begin();
uint32_t count = 0;
uint32_t time = 0;
while (slotIt != slotList.end()) {
if (slotIt->handler == nullptr) {
sif::error << "FixedSlotSequene::initialize: ObjectId does not exist!"
<< std::endl;
count++;
} else if (slotIt->pollingTimeMs < time) {
sif::error << "FixedSlotSequence::initialize: Time: "
<< slotIt->pollingTimeMs
<< " is smaller than previous with " << time << std::endl;
count++;
} else {
// All ok, print slot.
//info << "Current slot polling time: " << std::endl;
//info << std::dec << slotIt->pollingTimeMs << std::endl;
if(customCheckFunction != nullptr) {
ReturnValue_t result = customCheckFunction(slotList);
if(result != HasReturnvaluesIF::RETURN_OK) {
// Continue for now but print error output.
sif::error << "FixedSlotSequence::checkSequence:"
<< " Custom check failed!" << std::endl;
}
time = slotIt->pollingTimeMs;
slotIt++;
}
//info << "Number of elements in slot list: "
uint32_t errorCount = 0;
uint32_t time = 0;
for(const auto& slot: slotList) {
if (slot.executableObject == nullptr) {
errorCount++;
}
else if (slot.pollingTimeMs < time) {
sif::error << "FixedSlotSequence::checkSequence: Time: "
<< slot.pollingTimeMs << " is smaller than previous with "
<< time << std::endl;
errorCount++;
}
else {
// All ok, print slot.
//sif::info << "Current slot polling time: " << std::endl;
//sif::info << std::dec << slotIt->pollingTimeMs << std::endl;
}
time = slot.pollingTimeMs;
}
//sif::info << "Number of elements in slot list: "
// << slotList.size() << std::endl;
if (count > 0) {
if (errorCount > 0) {
return HasReturnvaluesIF::RETURN_FAILED;
}
return HasReturnvaluesIF::RETURN_OK;
}
void FixedSlotSequence::addSlot(object_id_t componentId, uint32_t slotTimeMs,
int8_t executionStep, PeriodicTaskIF* executingTask) {
this->slotList.insert(FixedSequenceSlot(componentId, slotTimeMs, executionStep,
executingTask));
this->current = slotList.begin();
ReturnValue_t FixedSlotSequence::intializeSequenceAfterTaskCreation() const {
std::set<ExecutableObjectIF*> uniqueObjects;
uint32_t count = 0;
for(const auto& slot: slotList) {
// Ensure that each unique object is initialized once.
if(uniqueObjects.find(slot.executableObject) == uniqueObjects.end()) {
ReturnValue_t result =
slot.executableObject->initializeAfterTaskCreation();
if(result != HasReturnvaluesIF::RETURN_OK) {
count++;
}
uniqueObjects.emplace(slot.executableObject);
}
}
if (count > 0) {
sif::error << "FixedSlotSequence::intializeSequenceAfterTaskCreation:"
"Counted " << count << " failed initializations!" << std::endl;
return HasReturnvaluesIF::RETURN_FAILED;
}
return HasReturnvaluesIF::RETURN_OK;
}
void FixedSlotSequence::addCustomCheck(ReturnValue_t
(*customCheckFunction)(const SlotList&)) {
this->customCheckFunction = customCheckFunction;
}

89
devicehandlers/FixedSlotSequence.h → tasks/FixedSlotSequence.h
View File

@ -1,26 +1,30 @@
#ifndef FRAMEWORK_DEVICEHANDLERS_FIXEDSLOTSEQUENCE_H_
#define FRAMEWORK_DEVICEHANDLERS_FIXEDSLOTSEQUENCE_H_
#ifndef FSFW_TASKS_FIXEDSLOTSEQUENCE_H_
#define FSFW_TASKS_FIXEDSLOTSEQUENCE_H_
#include "FixedSequenceSlot.h"
#include "../objectmanager/SystemObject.h"
#include <set>
/**
* @brief This class is the representation of a Polling Sequence Table in software.
*
* @brief This class is the representation of a
* Polling Sequence Table in software.
* @details
* The FixedSlotSequence object maintains the dynamic execution of
* device handler objects.
* objects with stricter timing requirements for the FixedTimeslotTask.
*
* The main idea is to create a list of device handlers, to announce all
* handlers to thepolling sequence and to maintain a list of
* polling slot objects. This slot list represents the Polling Sequence Table
* in software.
* The main idea is to create a list of executable objects (for example
* device handlers), to announce all handlers to the polling sequence and to
* maintain a list of polling slot objects.
* This slot list represents the Polling Sequence Table in software.
*
* Each polling slot contains information to indicate when and
* which device handler shall be executed within a given polling period.
* The sequence is then executed by iterating through this slot list.
* Handlers are invoking by calling a certain function stored in the handler list.
* which executable object shall be executed within a given polling period.
* When adding a slot, a pointer to the executing task, a pointer to the
* executable object and a step number can be passed. The step number will be
* passed to the periodic handler.
* The sequence is executed by iterating through the slot sequence and
* executing the executable object in the correct timeslot.
*/
class FixedSlotSequence {
public:
@ -29,41 +33,44 @@ public:
/**
* @brief The constructor of the FixedSlotSequence object.
*
* @details The constructor takes two arguments, the period length and the init function.
*
* @param setLength The period length, expressed in ms.
*/
FixedSlotSequence(uint32_t setLengthMs);
/**
* @brief The destructor of the FixedSlotSequence object.
*
* @details The destructor frees all allocated memory by iterating through the slotList
* and deleting all allocated resources.
* @details
* The destructor frees all allocated memory by iterating through the
* slotList and deleting all allocated resources.
*/
virtual ~FixedSlotSequence();
/**
* @brief This is a method to add an PollingSlot object to slotList.
*
* @details Here, a polling slot object is added to the slot list. It is appended
* to the end of the list. The list is currently NOT reordered.
* Afterwards, the iterator current is set to the beginning of the list.
* @param Object ID of the object to add
* @param setTime Value between (0 to 1) * slotLengthMs, when a FixedTimeslotTask
* will be called inside the slot period.
* @param setSequenceId ID which can be used to distinguish
* different task operations
* @details
* Here, a polling slot object is added to the slot list. It is appended
* to the end of the list. The list is currently NOT reordered.
* Afterwards, the iterator current is set to the beginning of the list.
* @param handlerId ID of the object to add
* @param setTime
* Value between (0 to 1) * slotLengthMs, when a FixedTimeslotTask
* will be called inside the slot period.
* @param setSequenceId
* ID which can be used to distinguish different task operations. This
* value will be passed to the executable function.
* @param
* @param
*/
void addSlot(object_id_t handlerId, uint32_t setTime, int8_t setSequenceId,
ExecutableObjectIF* executableObject,
PeriodicTaskIF* executingTask);
/**
* Checks if the current slot shall be executed immediately after the one before.
* This allows to distinguish between grouped and not grouped handlers.
* @brief Checks if the current slot shall be executed immediately
* after the one before.
* @details
* This allows to distinguish between grouped and separated handlers.
* @return - @c true if the slot has the same polling time as the previous
* - @c false else
*/
@ -125,12 +132,32 @@ public:
SlotListIter current;
/**
* Iterate through slotList and check successful creation.
* @brief Check and initialize slot list.
* @details
* Checks if timing is ok (must be ascending) and if all handlers were found.
* @return
*/
ReturnValue_t checkSequence() const;
/**
* @brief A custom check can be injected for the respective slot list.
* @details
* This can be used by the developer to check the validity of a certain
* sequence. The function will be run in the #checkSequence function.
* The general check will be continued for now if the custom check function
* fails but a diagnostic debug output will be given.
* @param customCheckFunction
*/
void addCustomCheck(ReturnValue_t (*customCheckFunction)(const SlotList &));
/**
* @brief Perform any initialization steps required after the executing
* task has been created. This function should be called from the
* executing task!
* @return
*/
ReturnValue_t intializeSequenceAfterTaskCreation() const;
protected:
/**
@ -146,7 +173,9 @@ protected:
*/
SlotList slotList;
ReturnValue_t (*customCheckFunction)(const SlotList&) = nullptr;
uint32_t lengthMs;
};
#endif /* FIXEDSLOTSEQUENCE_H_ */
#endif /* FSFW_TASKS_FIXEDSLOTSEQUENCE_H_ */