Hi Alexandre,

Am Freitag, Mai 25, 2018 08:41 CEST, Alexandre Ratchov <[email protected]> schrieb:

> On Fri, May 25, 2018 at 12:21:18AM +0200, Alexandre Ratchov wrote:
> >
> > Maybe, but unlikely. If the device attaches, generally it works. Show
> > what's received on midi2 when you type on the keyboard or do any other
> > simple actions.
> >
>
> fwiw, here's a small utility that I use very often to debug & connect
> MIDI ports.
>
> http://caoua.org/alex/obsd/midicat.tar.gz
>
> To connect two rmidi/2 -> rmidi/1 and dump the data on stderr, run:
>
> midicat -d -q rmidi/2 -q rmidi/1

 Actually, that midicat seems to do the trick. When I run it in debug, and 
press some keys on the
system-1, output looks like:

f8
f8
fe
f8
f8
f8
90 80 9b
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
fe
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
f8
fe
f8
90 9b b2
f8
f8
f8
f8

 However, some keys I have to press multiple times until the Rocket Synth 
recognizes it, and
some other note from the synth, doesn't produce any sound on the Rocket.
However, when I connect the System 1 MIDI out, with a straight MIDI cable to 
MIDI in
on the Rocket, I can play these notes, and it produces sound, on each key press.

The System-1, as well as the TB-3 are connected to my MX-1 via USB.
I noticed I have to disconnect the USB from the system-1. Only then it seems to
send out MIDI data on the MIDI port.
Maybe that was my main problem yesterday.
Since I use the USB connection to the MX-1 for MIDI and SOUND, disconnecting
the USB cable from the system-1 or tb-3 would spoil my setup.
The Roland Aira gear doesn't seem to have a mode to support class compatible
MIDI via USB. It only provides some USB Disk modes for backup/restore and
firmware updates.


I wonder how I could tell midicat which midi channel to use. I.e. I cound 
connect
the USB-to-MIDI converter to the Roland MX-1, and since all the other gear is
connected there, it might work out, when the MX-1 is set to MIDI passthrough.
But I might be able to tell midish to connect that same hardware midi device
as input to output, but with different midi channels?

Thanks,
Sebastian

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