custom options for asap2

I was searching for a method by which i can limite the A2L file to only provide output for top layer and exclude Sub_Group. Currently I'm processing (removing) those subgroup on level 3 and beyond after generating A2L file using "coder.asap2.export(modelName,'IncludeAllRecordLayouts',true);"

My model do have subsystem reference and wokring on 2024b.

I already checked custom option on this link coder.asap2.export - Generate ASAP2 (A2L) file according to ASAM MCD-2 MC standards - MATLAB

Answer 1

[Ruchika Parag]

Hi @Anuj Singh, as of R2024b, there is no built-in option in coder.asap2.export to limit the A2L file generation to only top-level elements or to exclude 'SUB_GROUP's based on hierarchy depth. The function supports flags like 'IncludeAllRecordLayouts' and CustomOptions, but these do not provide control over the depth of SUB_GROUP nesting.

If your model includes Subsystem Reference blocks, the exporter will automatically generate SUB_GROUPs for parameters and signals defined within those referenced subsystems. This behavior cannot currently be disabled via export options.

Since you're already performing post-processing to remove subgroup entries at level 3 and beyond, that remains the most effective workaround. Some additional suggestions:

• You can script the post-processing of the .a2l file by parsing the file as text and removing or collapsing unwanted SUB_GROUP blocks.
• You can reduce A2L content at the source by setting the StorageClass to 'None' or configuring ExportToA2L = false for signals and parameters in nested subsystems. However, this requires more manual effort.