Страница 1 мировой engineering стандарты общая спецификация

Page 245
GM WORLDWIDE ENGINEERING STANDARDS
GMW3110
IF ((Valid_CPID = NO) OR
((Secure_CPID = YES) AND (Security_Access_Unlocked=FALSE)) OR ((SecurityAccessCode_CPID =
YES) AND (Security_Access_Allowed=FALSE))) THEN
send Negative Response ($7F $AE $31) /* Request Out Of Range. */
ELSE IF (Valid_CPID_Data_Length = NO)
send Negative Response ($7F $AE $12) /* Invalid Format. */
/* Note: there is a flag in mode $27 (DeviceContol_Security_Level) which is used to determine if the
assembly plant or service device control restrictions apply */
ELSE IF (($CPID attempts to control outside device’s acceptable range) OR (Device conditions prohibit
requested control)) THEN
send Negative Response ($7F $AE $E3 $xx $yy) /*Device Control Limits Exceeded*/
Dev_Cntrl_Active ←
NO
Set all the individual device control status flags to FALSE.
ELSE IF ($CPID = $00) THEN
Dev_Cntrl_Active ←
NO
Set all the individual device control status flags to FALSE
Send ($EE $00 )
ELSE
TesterPresent_Timer_State ←
ACTIVE
IF (the following logic cannot be completed within P2
C 
ms.) THEN
send a Negative Response ($7F $AE $78) /*RequestCorrectlyReceived-ResponsePending */
ENDIF
Send ($EE $CPID)
Dev_Cntrl_Active ←
YES
IF (DTCs_Enabled_In_Device_Control = NO) THEN
Diag_Services_Disable_DTCs ←
TRUE
ENDIF
Set the appropriate device control status flags which are used by the
individual control functions to TRUE.
ENDIF
ENDIF
ENDFUNCTION
/* The following logic is executed in a background loop and can also be called based on a TesterPresent $3E
timeout or upon receipt of a ReturnToNormalMode ($20) service request. */
BEGINFUNCTION Background_DeviceControl_Logic( )
IF ((Dev_Cntrl_Active = YES) AND (request_DeviceControl_exit = NO)) THEN
/* Note: there is a flag in mode $27 (DeviceContol_Security_Level) which is used to determine if the
assembly plant or service device control restrictions apply */
IF (Device conditions are outside of device’s acceptable range) THEN
send a Negative Response ($7F $AE $E3 $xx $yy) /* Device Control Limit Exceeded */
Dev_Cntrl_Active ←
NO
set all the individual device control status flags to FALSE
ELSE
remain in device control
ENDIF
ELSE IF ((Dev_Cntrl_Active = YES) AND (request_DeviceControl_exit = YES)) THEN

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