Страница 1 мировой engineering стандарты общая спецификация

Page 225
GM WORLDWIDE ENGINEERING STANDARDS
GMW3110
in order to determine whether its possible to execute the request
*********************************************************************/
all_DPIDs_valid ←
YES
num_new_sched_DPIDs ←
No_of_DPIDs
Req_Index ←
$00 /*local counter to traverse the DPIDs in request*/
REPEAT
all_DPIDs_valid ←
NO
FOR (PDS_Index ←
$00 TO (num_supported_DPIDs - $01) BY $01)
IF (request_DPIDs[Req_Index] = supported_DPIDs[PDS_Index]) THEN
all_DPIDs_valid ←
YES
PDS_Index ←
num_supported_DPIDs
ENDIF
ENDFOR
IF ((all_DPIDs_valid = YES) AND ($Level > LEV_SOR)) THEN
FOR (PDS_Index ←
$00 TO (PDS_Length - $01) BY $01)
IF (request_DPIDs[Req_Index] = PDS[PDS_Index].DPID) THEN
num_new_sched_DPIDs ←
(num_new_sched_DPIDs - $01)
PDS_Index ←
PDS_Length
ENDIF
ENDFOR
ENDIF
Req_Index ←
Req_Index + $01
UNTIL ((all_DPIDs_valid = NO) OR (Req_Index = No_of_DPIDs))
IF (all_DPIDs_valid = NO) THEN
Send Negative Response ($7F $AA $31) /*Request Out Of Range*/
Request_Valid ←
NO
ELSE IF (($Level > LEV_SOR) AND
(num_new_sched_DPIDs > (PDS_Length - PDS_number_active))) THEN
--``,,``````,``,,``,,,`,`,`,,-`-`,,`,,`,`,,`---

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February 2010
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/*the PDS would Overflow if the Request was Processed*/
Send Negative Response ($7F $AA $81) /*Scheduler Full*/
Request_Valid ←
NO
ENDIF
ENDIF
/*********************************************************************
If Request Message is Valid, Process Service AA Message
***********************************************************************/
IF (Request_Valid = YES) THEN
SELECT FIRST
WHEN ($Level = LEV_SS ) /* $00 Stop Sending Periodic Data */
IF (No_of_DPIDs!= $00) THEN /*Request includes DPID(s)*/
FOR (Req_Index ←
$00 TO (No_of_DPIDs - $01) BY $01)
FOR (PDS_Index ←
$00 TO (PDS_Length - $01) BY $01)
IF (request_DPIDs[Req_Index] = PDS[PDS_Index].DPID) THEN
PDS[PDS_Index].DPID ←
$00
PDS_Number_Active ←
(PDS_Number_Active - $01)
PDS_Index ←
PDS_Length
ENDIF