mcCharacteristicWrite

Purpose

Downloads scaled data to a Characteristic for a selected ECU.

Format

Input

ECURefNum

ECURefNum is the task reference which links to the selected ECU. This reference is originally returned from mcECUSelectEx.

CharacteristicName

CharacteristicName is the name of the Characteristic defined in the A2L database file.

Values

Values contains a pointer to a double, a double 1D, or 2D array which is sent to the ECU.

NumberOfValues

Specifies the number of values to write for the task.

Output

Return Value

The return value indicates the status of the function call 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 mcStatusToString function of the ECU M&C API to obtain a descriptive string for the return value.

Description

mcCharacteristicWrite writes the scaled value(s) of a named Characteristic to an ECU identified by the ECU reference handle ECURefNum.