Robin.Mueller
1415cd2339
architecture dependant function call is external now and shall be implemented by developer
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/**
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* @file TaskManagement.h
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*
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* @date 26.02.2020
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*/
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#ifndef FRAMEWORK_OSAL_FREERTOS_TASKMANAGEMENT_H_
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#define FRAMEWORK_OSAL_FREERTOS_TASKMANAGEMENT_H_
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/**
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* Architecture dependant portmacro.h function call.
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* Should be implemented in bsp.
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*/
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extern "C" void requestContextSwitchFromISR();
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/*!
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* Used by functions to tell if they are being called from
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* within an ISR or from a regular task. This is required because FreeRTOS
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* has different functions for handling semaphores and messages from within an ISR and task.
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*/
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enum CallContext {
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task = 0x00,//!< task_context
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isr = 0xFF //!< isr_context
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};
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class TaskManagement {
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public:
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/**
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* In this function, a function dependant on the portmacro.h header function calls
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* to request a context switch can be specified.
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* This can be used if sending to the queue from an ISR caused a task to unblock
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* and a context switch is required.
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*/
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static void requestContextSwitch(CallContext callContext);
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/**
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* If task preemption in FreeRTOS is disabled, a context switch
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* can be requested manually by calling this function.
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*/
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static void requestContextSwitchFromTask(void);
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};
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#endif /* FRAMEWORK_OSAL_FREERTOS_TASKMANAGEMENT_H_ */
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