jack_umidi : Can't send MIDI to audio interface

[Hans Petter Selasky]

On 05/10/18 13:24, Marcel Bonnet wrote:
> On 10 May 2018 at 07:22, Hans Petter Selasky <hps at selasky.org> wrote:
> 
>> On 05/10/18 04:49, Marcel Bonnet wrote:
>>
>>> Hi,
>>>
>>> I'm running 11.1-RELEASE . Audio interface is M-AUDIO Fast Track Pro.
>>> Everything works good, except that MIDI is not working bi-directional
>>>
>>> Using jack_umidi 1.0.8  I can control virtual synths. But the USB
>>> interface
>>> does not blink the MIDI Output led when I play the jack_keyaboard
>>> connected
>>> to the Fast Track Pro input.
>>>
>>> I tested with jack_midi_dump : it dumps MIDI messages received from Jack
>>> Keyboard or from my external Keyboard (Roland XP-30), as you can see
>>> below.
>>>
>>> What could I do to send MIDI messages to my external interface?
>>>
>>
>> Might also be a permissions issue on /dev/umidiX.Y .
>>
>> --HPS
>>
>> I'll check the permissions later.
> 
> I start the daemons with qjackctl. My ~/.jacdrc :
> 
> /usr/local/bin/jackd -r -doss -r44100 -p256 -n3 -w16 -C/dev/dsp3.0
> -P/dev/dsp3.0
> 
> After that:
> 
> jack_umidi -S -B -d /dev/umidi0.0
> 

Hi,

Your setup looks OK.

Does it help to remove the -S option? Are you certain the synth is 
listening to the MIDI channel you are transmitting on?

--HPS