diff --git a/osal/FreeRTOS/TaskManagement.h b/osal/FreeRTOS/TaskManagement.h new file mode 100644 index 00000000..fd2bfc0b --- /dev/null +++ b/osal/FreeRTOS/TaskManagement.h @@ -0,0 +1,38 @@ +/** + * @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_ */