Output, Return value, Description – National Instruments CAN 372139B-01 User Manual
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Chapter 6
Automotive Diagnostic Command Set API for C
Automotive Diagnostic Command Set User Manual
6-106
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Output
dataOut
Returns application-specific output parameters from the routine.
len2
On input,
len2
must contain the
dataOut
array length. On return, it contains the number
of valid data bytes in the
dataOut
array.
success
Indicates successful receipt of a positive response message for this diagnostic service.
Return Value
The return value indicates the function call status as a signed 32-bit integer. Zero means the
function executed successfully. A negative value specifies an error, which means the function
did not perform the expected behavior. A positive value specifies a warning, which means the
function performed as expected, but a condition arose that may require attention.
Use the
function to obtain a descriptive string for the return value.
Description
This function executes the UDS RoutineControl service and launches an ECU routine, stops
an ECU routine, or requests ECU routine results from the ECU.
For further details about this service, refer to the ISO 15765-3 standard.