USBB17RX78K4-XXX NEC Electronics, USBB17RX78K4-XXX Datasheet - Page 55

• Manufacturer Part Number: USBB17RX78K4-XXX
• Description: 78K/4 series realtime OS
• Manufacturer: NEC Electronics

4.2.5 pol_flg (Poll Eventflag)
46
[Function]
[Remarks]
[System call ID number]
[Parameter]
[Return parameter]
[Assembler format]
[C format]
Obtains an event flag (without clear).
Checks whether the event flag indicated by flgid is set. If the flag is set, the task is terminated normally; if not,
an error is returned (E_PLFAIL). In either case, the original value of the event flag is retained.
pol_flg = 14
flgid (Eventflag Identifier)
E_OK
E_PLFAIL
[Large model]
MOV
MOVW
MOV
CALLT
C register = return parameter
ret = pol_flg (flgid);
char
bnk0_b, #14
bnk0_d, #flgid
[40H]
:
*flgid;
bnk0_up, #flgid
CHAPTER 4
Event flag ID (Eventflag top address)
Normal termination
Polling failed
[Small model]
MOV
MOVW
CALLT
C register = return parameter
RX78K/IV SYSTEM CALL LIST
bnk0_b, #14
[40H]
bnk0_up, #flgid
:
- 24 bits (large model)
- 16 bits (small model)