73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
#ifndef FRAMEWORK_TASKS_TASKFACTORY_H_
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#define FRAMEWORK_TASKS_TASKFACTORY_H_
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#include <cstdlib>
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#include <framework/tasks/FixedTimeslotTaskIF.h>
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#include <framework/tasks/Typedef.h>
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/**
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* Singleton Class that produces Tasks.
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*/
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class TaskFactory {
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public:
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virtual ~TaskFactory();
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/**
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* Returns the single instance of TaskFactory.
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* The implementation of #instance is found in its subclasses.
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* Thus, we choose link-time variability of the instance.
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*/
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static TaskFactory* instance();
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/**
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* Keep in Mind that you need to call before this vTaskStartScheduler()!
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* A lot of task parameters are set in "FreeRTOSConfig.h".
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* @param name_ Name of the task, lenght limited by configMAX_TASK_NAME_LEN
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* @param taskPriority_ Number of priorities specified by
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* configMAX_PRIORITIES. High taskPriority_ number means high priority.
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* @param stackSize_ Stack size in words (not bytes!).
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* Lower limit specified by configMINIMAL_STACK_SIZE
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* @param period_ Period in seconds.
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* @param deadLineMissedFunction_ Callback if a deadline was missed.
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* @return Pointer to the newly created task.
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*/
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PeriodicTaskIF* createPeriodicTask(TaskName name_,
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TaskPriority taskPriority_, TaskStackSize stackSize_,
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TaskPeriod periodInSeconds_,
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TaskDeadlineMissedFunction deadLineMissedFunction_);
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/**
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* Keep in Mind that you need to call before this vTaskStartScheduler()!
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* A lot of task parameters are set in "FreeRTOSConfig.h".
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* @param name_ Name of the task, lenght limited by configMAX_TASK_NAME_LEN
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* @param taskPriority_ Number of priorities specified by
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* configMAX_PRIORITIES. High taskPriority_ number means high priority.
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* @param stackSize_ Stack size in words (not bytes!).
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* Lower limit specified by configMINIMAL_STACK_SIZE
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* @param period_ Period in seconds.
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* @param deadLineMissedFunction_ Callback if a deadline was missed.
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* @return Pointer to the newly created task.
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*/
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FixedTimeslotTaskIF* createFixedTimeslotTask(TaskName name_,
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TaskPriority taskPriority_, TaskStackSize stackSize_,
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TaskPeriod periodInSeconds_,
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TaskDeadlineMissedFunction deadLineMissedFunction_);
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/**
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* Function to be called to delete a task
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* @param task The pointer to the task that shall be deleted,
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* NULL specifies current Task
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* @return Success of deletion
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*/
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static ReturnValue_t deleteTask(PeriodicTaskIF* task = NULL);
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private:
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/**
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* External instantiation is not allowed.
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*/
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TaskFactory();
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static TaskFactory* factoryInstance;
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};
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#endif /* FRAMEWORK_TASKS_TASKFACTORY_H_ */
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