USBB17RX78K4-XXX NEC Electronics, USBB17RX78K4-XXX Datasheet - Page 53

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

4.2.3 wai_flg (Wait Eventflag)
44
[Function]
[Remarks]
[System call ID number]
[Parameter]
[Return parameter]
[Assembler format]
[C format]
Waits for an event flag (without clear).
Waits until an event flag indicated by flgid is set to 1. The value of the event flag remains set after it has been
set and the task has been released from the WAIT state.
Two or more tasks can wait for the same event flag.
wai_flg = 12
flgid (Eventflag Identifier)
E_OK
[Large model]
MOV
MOVW
MOV
CALLT
C register = return parameter
ret = wai_flg (flgid);
char
bnk0_b, #12
bnk0_d, #flgid
[40H]
:
*flgid;
bnk0_up, #flgid
CHAPTER 4
Event flag ID (Eventflag top address)
Normal termination
[Small model]
MOV
MOVW
CALLT
C register = return parameter
RX78K/IV SYSTEM CALL LIST
bnk0_b, #12
[40H]
bnk0_up, #flgid
:
- 24 bits (large model)
- 16 bits (small model)