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Generated Code Interfacing

Tune parameters and measure signal data by using ASAP2 and C API interfaces and view generated code metadata

Some applications must exchange data between generated code and external application code. Use the ASAP2 and CDF interface to establish a communication channel between development and target computers, export an ASAP2 file containing description format of the internal ECU variables, or export a Calibration Data Format (CDF) file containing the information about parameters in a machine-readable format. Use the C API to exchange data between generated code and external code.

To obtain metadata about the generated code, use the code descriptor programming interface (see Get Code Description of Generated Code).


Generate Calibration FilesGenerate ASAP2 and CDF files (Since R2021b)


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coder.asap2.AxisInfoSet values for axis to describe lookup table (Since R2022b)
coder.asap2.CharacteristicCreate characteristic object (Since R2022b)
coder.asap2.CompuMethodCreate compu method object (Since R2022b)
coder.asap2.FunctionCreate function object (Since R2022b)
coder.asap2.GroupCreate group object (Since R2023b)
coder.asap2.MeasurementCreate measurement object (Since R2022b)
coder.asap2.RecordLayoutCreate record layout object (Since R2023a)
coder.asap2.UserCustomizeBaseCustomize project and module settings (Since R2022b)
coder.codedescriptor.CodeDescriptorReturn information about generated code
coder.descriptor.DataInterfaceReturn information about different types of data interfaces
coder.descriptor.FunctionInterfaceReturn information about entry-point functions
coder.descriptor.LookupTableDataInterfaceReturn information about Lookup Table blocks that have tunable parameters (Since R2020a)
coder.descriptor.BreakpointDataInterfaceReturn information about tunable breakpoint set data for a lookup table that has tunable parameters (Since R2020a)


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coder.asap2.exportGenerate ASAP2 (A2L) file according to ASAM MCD-2 MC standards (Since R2021a)
coder.asap2.getEcuDescriptionsECU description object for model (Since R2022b)
coder.asap2.mergeMerge data elements from multiple ASAP2 (A2L) files (Since R2023a)
coder.cdf.exportGenerate CDF (Calibration Data Format) file according to ASAM AE CDF standards (Since R2021a)
getCodeDescriptorCreate coder.codedescriptor.CodeDescriptor object for model


ASAP2 and CDF Interface

C API Interface

Code Descriptor Interface