Hi,

> 2016 version of BACnet ASN.1 with comments, but not all enumerations is
> 4600 lines long. I'm writing all this to add additional edge cases which
> we will need to cover - with DFDL or any other tool. It won't be easy
> neither way!
        
I worked with ASN.1 (and BER) in the past. ASN is lacking with it come to 
communication flow and state and I think this is where DFDL can help (Chris 
would know?), ASN.1 just defines the structure of messages. Mind it was 15 
years ago when I did this stuff so my memory may be fuzzy.

Looking at a couple of examples and ASN.1 and DFDL I don’t think it would be 
difficult to auto translate ASN - > DFDL or least a large majority of it. There 
may be some constructs or details that don’t translate well but from a  casual 
glance nothing stood out.

Thanks,
Justin

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