fsfw/tasks/TaskFactory.h
2020-12-14 21:46:33 +01:00

73 lines
2.1 KiB
C++

#ifndef FSFW_TASKS_TASKFACTORY_H_
#define FSFW_TASKS_TASKFACTORY_H_
#include "FixedTimeslotTaskIF.h"
#include "Typedef.h"
#include <cstdlib>
/**
* Singleton Class that produces Tasks.
*/
class TaskFactory {
public:
virtual ~TaskFactory();
/**
* Returns the single instance of TaskFactory.
* The implementation of #instance is found in its subclasses.
* Thus, we choose link-time variability of the instance.
*/
static TaskFactory* instance();
/**
* Creates a new periodic task and returns the interface pointer.
* @param name_ Name of the task
* @param taskPriority_ Priority of the task
* @param stackSize_ Stack Size of the task
* @param period_ Period of the task
* @param deadLineMissedFunction_ Function to be called if a deadline was missed
* @return PeriodicTaskIF* Pointer to the newly created Task
*/
PeriodicTaskIF* createPeriodicTask(TaskName name_,
TaskPriority taskPriority_, TaskStackSize stackSize_,
TaskPeriod periodInSeconds_,
TaskDeadlineMissedFunction deadLineMissedFunction_);
/**
*
* @param name_ Name of the task
* @param taskPriority_ Priority of the task
* @param stackSize_ Stack Size of the task
* @param period_ Period of the task
* @param deadLineMissedFunction_ Function to be called if a deadline was missed
* @return FixedTimeslotTaskIF* Pointer to the newly created Task
*/
FixedTimeslotTaskIF* createFixedTimeslotTask(TaskName name_,
TaskPriority taskPriority_, TaskStackSize stackSize_,
TaskPeriod periodInSeconds_,
TaskDeadlineMissedFunction deadLineMissedFunction_);
/**
* Function to be called to delete a task
* @param task The pointer to the task that shall be deleted, NULL specifies current Task
* @return Success of deletion
*/
static ReturnValue_t deleteTask(PeriodicTaskIF* task = NULL);
/**
* Function to be called to delay current task
* @param delay The delay in milliseconds
* @return Success of deletion
*/
static ReturnValue_t delayTask(uint32_t delayMs);
private:
/**
* External instantiation is not allowed.
*/
TaskFactory();
static TaskFactory* factoryInstance;
};
#endif /* FSFW_TASKS_TASKFACTORY_H_ */