sysex messages

[James Coplin]

You can always program a JD-990 from the front panel of a JD-800 so I would
just buy another JD800! ;)



The only wrinkle with the 990 sysex (800 for that matter too) is that it
uses Roland’s checksums for the messages so whatever editor you purchase /
build will need to be able to calculate it.  Unfortunately that removes a
fairly large number of commercial editors in particular the Mackie C4.  I
believe the Behringer does do checksums but someone else will have to chime
in as I don’t own one.  The Peavey PC-1600x is a great unit (and does
checksums) and it is trivial to do midi with the Arduino. The fiddle bit
with the Arduino will be multiplexing the pots if you want a full panel for
the interface instead of selecting a parameter and then entering values.
 The 990 is a great sounding machine, make sure you get the vintage synth
card, and is not difficult to program from the unit.



James R. Coplin



*From:* music-bar-bounces at lists.music-bar.org [mailto:
music-bar-bounces at lists.music-bar.org] *On Behalf Of *Tom Adam
*Sent:* Tuesday, March 27, 2012 10:55 PM
*To:* Music-bar
*Subject:* sysex messages



As some of you might know I had a JD800, but I sold it.
Yesterday my wife told me I received a JD990, so looking even more forward
to going home ;-)

Now, I wonder how easy it is to create patches on it. On the JD800 it was
easy with it's huge UI. Seems like it's sysex only (well 2 cc's can be
programmed).
So what faderboxes are you guys using for sysex messages?
Would it be easy to write an arduino program sending sysex?
How do I merge midi signals and sysex messages? Anyone having any resource
on this?
I know sysex is bandwidth hungry so that might be a challenge too. I would
prefer to go the DIY way as I’ve got several arduino’s, rotary encoders
etc. laying around…

I would like to look into this during my 14h. of flying on Saturday ;-) So
pointers appreciated!

Cheers,

-- 

ToAd

www.thebigear.be
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