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with RI78V4
Coding
SERVICE CALLS
Synchronization and Communication Functions (Eventflags)
ref_flg

ref_flg

Outline

Reference eventflag state.

C format


ER ref_flg ( ID flgid, T_RFLG *pk_rflg );

Assembly format


MOVW BC, #LOWW(_pk_rflg) MOV A, #flgid CALL !!_ref_flg

Parameter(s)


I/O	Parameter	Description
I	ID flgid;	ID number of the eventflag to be referenced.
O	T_RFLG *pk_rflg;	Pointer to the packet returning the eventflag state.

Explanation

Stores eventflag state packet (such as existence of waiting tasks) of the eventflag specified by parameter flgid in the area specified by parameter pk_rflg.

Note For details about the eventflag state packet, refer to "12.5.3 Eventflag state packet".

Return value


Macro	Value	Description
E_OK	0	Normal completion.