[alsa-devel] How to add a new MIDI device to the usbaudio driver

[Clemens Ladisch]

Kristian Amlie wrote:
> I tried 38400 baud, and that seemed to work. I got a small number
> of bytes everytime I pressed a key on the instrument.
> 
> 18 f9 ff 18 03 f8
> 18 f9 ff 18 01 f8
> 18 f9 ff 18 01 f8
> 18 fb ff 18 01 f8
> 18 fb ff 18 01 f8
> 18 fb ff 18 03 f8
> 18 f9 ff 18 01 f8
> 18 fb ff 18 01 f8
> 18 fb ff 18 01 f8
> 18 fb ff 18 01 f8

This is not MIDI.  However, these value might by explained by
a 31250-baud signal sampled at 38400 baud.

> Daniel Mack wrote:
> > I think that requires a special divider setup that is not
> > supported by the ftdi_sio driver.

Indeed.

Kristian, what do the .inf files that come with the Windows driver say?


Regards,
Clemens