Страница 1 мировой engineering стандарты общая спецификация

all_DPIDs_valid
A flag used to indicate whether all DPIDs in a request message are valid or not.
YES/NO
DPID_already_scheduled
A flag used to indicate whether a DPID# is already in PDS or not.
YES/NO
vacant_position_found
A flag used to indicate that a vacant position to put a new DPID# in the PDS has
been found.
YES/NO
vacant_position
A flag used to indicate the index into the PDS where the first vacant position to
put a new DPID# in the PDS has been found.
0 to (PDS_length -1)
max_No_of_01_DPIDs
The max. # of DPIDs that an ECU supports for a sub-function parameter $01
(OneShot) request.
According to CTS
num_new_sched_DPIDs
The number of DPIDs in a received request that are not already scheduled at
time of request.
0 to 4093
No_of_DPIDs
The total number of DPIDs in a received request.
0 to 4093
Request_Valid
This is a local flag used to keep track of whether or not the request message is a
valid request.
YES/NO
request_DPIDs[]
This is an array which contains all of the DPIDs from the request message. The
first element (request_DPIDs[0]) of this array contains the first data byte after the
sub function parameter in the request message.
Each array element
contains a DPID number
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GM WORLDWIDE ENGINEERING STANDARDS
GMW3110
Variable/Meaning
Values
Req_Index
This is a counter which is used as an index into the array of requested DPIDs
when trying to determine if all DPIDs in the request are valid.
0 to PDS_length
PDS_Index
This is a counter which is used as an index into the PDS when modifying the
DPIDs stored in the PDS. It is also used as an index into the array of supported
DPIDs when determining if all DPIDs in the request are supported.
0 to max of either
PDS_length
or
num_supported_DPIDs
Slow_Rate_Count
The count refers to the minimum number of times that the Process_AA_Msgs()
function shall be executed before sending out an item scheduled at the slow rate
in the PDS.
Slow Rate/AA_Msg_Rate

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