david(a)gardena.net writes:
you can't ask units about things,
unless you have two cables - and that's not really part of the
standard
Actually, it is. The System-Exclusive Universal ID command
space is general-purpose functionality that, in many cases,
assumes units talking to each other via cable pairs. See:
http://crystal.apana.org.au/~ghansper/midi_introduction/midi_sysex_universa…
for details. The simplest example is the Generic Handshaking
instructions, which do flow-control for big Sample Dumps via
a set of commands implementing ACK, NAK, WAIT, EOF, etc.
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John Lazzaro -- Research Specialist -- CS Division -- EECS -- UC Berkeley
lazzaro [at] cs [dot] berkeley [dot] edu
www.cs.berkeley.edu/~lazzaro
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