[linux-audio-user] usb midi

R Parker rtp405 at yahoo.com
Sun May 25 19:24:01 EDT 2003


Hi,

Disreguard the port routing stuff. But I am still
looking for the device from which mmc and mtc messages
are recieved and sent.

ron

--- R Parker <rtp405 at yahoo.com> wrote:
> 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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