[Ardour-Users] BCF2000 and Mackie: quick poll

[John Anderson]

On Tue, 2007-08-07 at 16:42 +1200, Josh Parsons wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> John Anderson said:
> 
> > http://www.ardour.org/files/manual/sn-mackie.html
> > under 10.6.5 Usage
> 
> and Kevin Cosgrove said:
> 
> > FWIW, the improvement to this manual page is very fine and much
> > appreciated.  Thanks!
> 
> Can I suggest another improvement to the manual page, when you have
> time, John?
> 
> Currently, the manual notes that mcu/bcf support only works with raw
> alsa midi devices, and explains nicely how to configure ardour to use
> said devices. Many users I would guess will have problems with the names
> of the raw devices depending on the order in which they are switched on
> (or worse, on races in the kernel usb stack).
> 
> There is a way to get udev to assign an attached BCF2000 a consistent
> name under /dev/ however, by adding the following line to the udev rules
> file / directory (on my system this is /etc/udev/rules.d/55-midi):
> 
> KERNEL=="midiC[0-9]D0", ATTRS{product}=="BCF2000", SYMLINK+="midi-bcf2000"
> 
> This will cause udev to create a /dev/midi-bcf2000 for any BCF attached
> to the system, regardless of which alsa card number it gets assigned.
> It might be worth mentioning this in the manual, until such time as mcu
> support no longer requires the user to specify a raw midi device.
> 
> You might also suggest
> 
> http://reactivated.net/writing_udev_rules.html
> 
> as further reading.

Awesome. I'll add that to the manual.

Any idea how to create, say, /dev/midi-bcf2000-1 and /dev/midi-bcf2000-2
if two devices were attached?

bye
John