[linux-audio-user] usb midi

[R Parker]

Hi,

I'm trying to figure out what device I should point
applications (ardour) at in order for them to see
incoming mmc and to send mtc. I've got what appears to
be a working USB midiman 8x8:
>aconnect -i
client 0: 'System' [type=kernel]
    0 'Timer           '
    1 'Announce        '
client 72: 'Rawmidi 1 - MidiSport 8x8' [type=kernel]
    0 'MidiSport 8x8 Port 0'
    1 'MidiSport 8x8 Port 1'
    2 'MidiSport 8x8 Port 2'
    3 'MidiSport 8x8 Port 3'
    4 'MidiSport 8x8 Port 4'
    5 'MidiSport 8x8 Port 5'
    6 'MidiSport 8x8 Port 6'
    7 'MidiSport 8x8 Port 7'
    8 'MidiSport 8x8 Port 8'
>aconnect -o
client 72: 'Rawmidi 1 - MidiSport 8x8' [type=kernel]
    0 'MidiSport 8x8 Port 0'
    1 'MidiSport 8x8 Port 1'
    2 'MidiSport 8x8 Port 2'
    3 'MidiSport 8x8 Port 3'
    4 'MidiSport 8x8 Port 4'
    5 'MidiSport 8x8 Port 5'
    6 'MidiSport 8x8 Port 6'
    7 'MidiSport 8x8 Port 7'
    8 'MidiSport 8x8 Port 8'

With a M-Audio Audiophile 2496 I used
device="/dev/snd/midiC1D0" but this device doesn't
seem to be working.

/dev/snd/ has the following devices:
controlC0  midiC1D0  pcmC0D0c  pcmC0D0p  seq  timer

I'm using alsa-patch-bay to manage the connections:
Could not subscribe ports:
  Subscription Rawmidi 1 - MidiSport 8x8::MidiSport
8x8 Port 1 -> Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 0 failed:
  Resource temporarily unavailable
Subscription 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 1' -> 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 1' succeeded
Subscription 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 1' -> 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 2' succeeded
Subscription 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 1' -> 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 3' succeeded
Subscription 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 1' -> 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 4' succeeded
Subscription 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 1' -> 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 5' succeeded
Subscription 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 1' -> 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 6' succeeded
Subscription 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 1' -> 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 7' succeeded
Subscription 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 1' -> 'Rawmidi 1 - MidiSport 8x8::MidiSport 8x8
Port 8' succeeded

OK, that all seems fairly normal but I'm thinking it
isn't. From the 8x8 perspective; incoming data to the
8x8 Midi IN 2 should go out of all eight channels but
it fails to go out channel 1. So, there's something
funny going on. This is according to the indicator
lights on the front of the 8x8.

>From Alsa's perspective Midi IN 2 = port 1

Anyway, I've been up all nite and am tired. If my
message isn't clear enough please ask questions and
I'll reply. Hey, ladcca, alsa-patchbay and the 8x8
firmware driver are lookin' sweet. Thanks much!

ron

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