I don’t think you’ll
find anything general. Unless it was at the same time practically useless. For
example when you say you want representation of instrument input/output I
suppose the best you could hope for is some markup representing where and how
you are supposed to get a hold of said input/output.
With you implementing the
actual mechanism of the where and how.
Even that would be
What about instruments
that are themselves composed of other instruments?
One of the larger
projects for instrumentation would be OPC (defines interfaces for data exchange
between devices, PCs etc), who are supposed to come out with an xml format
sometime several years back and we’re all still waiting.