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can_wup

Outline

Cancel task wakeup requests.

C format


ER_UINT can_wup ( ID tskid ); ER_UINT ican_wup ( ID tskid );

Assembly format


MOV A, #tskid CALL !!_can_wup MOV A, #tskid CALL !!_ican_wup

Parameter(s)


I/O	Parameter	Description
I	ID tskid;	ID number of the task for cancelling wakeup requests. TSK_SELF: Invoking task. Value: ID number of the task for cancelling wakeup requests.

Explanation

These service calls cancel all of the wakeup requests queued to the task specified by parameter tskid (the wakeup request counter is set to 0x0).

When this service call is terminated normally, the number of cancelled wakeup requests is returned.

Return value


Macro	Value	Description
E_OBJ	-41	Object state error (specified task is in the DORMANT state).
-	-	Normal completion (wakeup request count: positive value or 0).