fsfw/osal/FreeRTOS/TaskManagement.h

39 lines
1.1 KiB
C++

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