Re: [LAU] Mackie C4 & ESI RoMI/O II

From: Clemens Ladisch <clemens@email-addr-hidden>
Date: Tue May 18 2010 - 10:51:47 EEST

Andre Majorel wrote:
> > Andre Majorel wrote:
> > > $ find /dev/ -iname "*midi*"
> > > /dev/dmmidi1
> > > /dev/midi1
> > > /dev/snd/midiC1D0
>
> Now why are there 6 files ? What are they for ?

/dev/snd/midiC1D0 is the ALSA node for card 0, device 0.
/dev/midi1 is the OSS node for compatibility with old applications.
/dev/dmmidi1 is the same as /dev/midi1.
The .udev files are for internal bookkeeping of the udev daemon.

> Why don't any of them seem to deal with the second interface ?

The ports are multiplexed through one device file as subdevices because
there is a limit of four MIDI devices per card in some circumstances.

Regards,
Clemens
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Received on Tue May 18 12:15:03 2010

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