Re: [linux-audio-user] usb midi

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Subject: Re: [linux-audio-user] usb midi
From: R Parker (rtp405_AT_yahoo.com)
Date: Mon May 26 2003 - 19:42:21 EEST

Hi Clemens,

Thanks for the reply. I still don't understand where
the usb-midi i/o device is.

Here's my device chain Tascam DM-24 digital mixing
consol and ardour.
DM-24 (mmc) -> to Ardour, Ardour (mtc) -> DM-24

The DM-24 sends a deferred play (type =3) to Ardour
and causes the Ardour transport to play engage. Ardour
in turn replies with MTC to syncronize the location of
the DM-24 transport with itself.

I've used 'dd...' to look for incoming messages:
'dd bs=1 if=/dev/snd/midiC1D0'

There's no messages passing through /dev/snd/midiC1D0
which is the device I use with the Audiophile 2496 for
example <MIDI-port tag="midisport"
device="/dev/snd/midiC1D0" type="alsa/raw"
mode="duplex"/>.

Perhaps I'm missing the obvious.

ron

--- Clemens Ladisch <clemens_AT_ladisch.de> wrote:
> R Parker wrote:
> >
> > 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 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'
>
> If the data is from/to an external device connected
> to the 8x8, it should
> work with the appropriate port (0-7). If the data is
> for the 8x8 itself,
> you could try the ninth port ("Port 8") which is
> called "Control Port" in
> the Windows driver.
>
> I don't actually have a MidiSport, so I don't know
> if or how it has to be
> configured to do MIDI timing.
>
>
> HTH
> Clemens
>
>

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